Potato late blight field spraying uniform applicator

Abstract

The application discloses a kind of potato late blight field spraying uniform pesticide application equipment, it is related to agricultural pesticide application equipment technical field, including rack, first sliding mechanism, second sliding mechanism, swing mechanism, mixing mechanism and uniform pesticide replenishing mechanism.Rack carries front and rear walking wheels, from front to back, arrange the second nozzle that can swing, the first nozzle that can slide left and right, the third nozzle that can slide front and rear, and the mixing box is arranged at the rear of rack;The whole machine relies on the front wheel rolling to synchronously drive three groups of nozzles multi-dimensional dynamic spraying, while the mixing mechanism and the uniform pesticide replenishing mechanism are synchronously worked.The application adopts pure mechanical linkage structure, without motor, hydraulic element, can cover the whole potato plant with pesticide, eliminate the late blight control dead angle, automatic liquid preparation stirring reduces labor cost, simple structure, low field failure rate, suitable for potato ridge field high wet muddy operating environment.

Description

Technical Field

[0001] This invention relates to the field of agricultural pesticide application equipment technology, specifically to a field spraying device for uniformly applying pesticides to potato late blight. Background Technology

[0002] Potato late blight is a devastating fungal disease caused by Phytophthora. It can break out throughout the entire growth period of potatoes in the field. In low temperature and high humidity field environments, the disease spreads extremely quickly and can cause the stems and leaves of plants to wither and the tubers to rot in a short time, greatly reducing potato yield and marketability. Field chemical spraying is currently the most mainstream and efficient means of controlling late blight.

[0003] Currently, the spraying equipment used in potato planting fields has several shortcomings in actual operation, which seriously restricts the effectiveness of late blight control. The specific shortcomings are as follows:

[0004] 1. Traditional pesticide application equipment relies solely on manual pre-stirring of the pesticide solution. The stirring power and duration depend entirely on manual operation. Insufficient stirring can lead to separation of the pesticide concentrate and water, excessively high concentrations in some areas, or insufficient dilution. Low concentrations cannot inhibit the germination of late blight pathogen spores, while excessively high concentrations can easily scorch potato leaves and shoots.

[0005] 2. Most existing potato pesticide sprayers are fixed installations, with a fixed spray angle and spray position throughout the entire process, allowing continuous spraying only on a fixed area of ​​the plant. Since potatoes are grown in ridges, the stems and leaves of the plants are distributed in layers, with branches and leaves growing intertwined on both sides of the furrows. Fixed sprayers can only spray the upper leaves of the plant, leaving very little pesticide residue on the bottom of the ridges, the backs of leaves, and the crevices of the stems—areas prone to late blight.

[0006] 3. Commercially available spraying equipment with movable nozzles is equipped with independent motors and hydraulic push rods to drive each nozzle. The superposition of multiple power components greatly increases the weight of the whole machine, resulting in high resistance when walking in the field, between rows, or in muddy areas, and easily crushing potato seedlings. The multiple independent power supply pipelines and electrical control circuits are complex, and dust and mud in the field can easily cause short circuits and push rod jamming, resulting in a high equipment failure rate and great difficulty in maintenance.

[0007] To address the aforementioned issues, a field spraying device for uniform application of pesticides against potato late blight is proposed. Summary of the Invention

[0008] To address the aforementioned problems, this invention provides a field spraying device for uniformly applying pesticides to potato late blight. Utilizing the power of the device's wheels, the entire mechanism operates in tandem, eliminating the need for additional motors or hydraulic components. It simultaneously performs automatic mixing of the pesticide solution, multi-nozzle oscillation, left-right sliding, and forward-backward sliding dynamic spraying, ensuring uniform pesticide coverage across the entire potato plant.

[0009] The technical solution adopted in this invention includes:

[0010] The frame has front and rear wheels rotatably mounted on both sides. Two second nozzles are rotatably mounted inside the front end of the frame. A first nozzle that can slide left and right is movably mounted on the rear side of the two second nozzles. A third nozzle that can slide back and forth is movably mounted on the rear side of the two first nozzles. The same mixing box is mounted on the rear side of the two third nozzles. The mixing box is fixedly mounted at the rear of the frame.

[0011] A first sliding mechanism is located inside the frame. When the equipment moves, the front wheel rotates, synchronously driving the first sliding mechanism to operate. Both first nozzles are driven to slide by the first sliding mechanism.

[0012] The second sliding mechanism is located behind the first sliding mechanism and is driven by the first sliding mechanism. Both third nozzles are driven to slide by the second sliding mechanism.

[0013] A swing mechanism is located in front of the first sliding mechanism and is driven by the first sliding mechanism. Both second nozzles are driven to swing by the swing mechanism.

[0014] A mixing mechanism is located inside the mixing chamber and is driven by the second sliding mechanism.

[0015] A uniform drug delivery mechanism is located above the mixing tank and is driven by the mixing mechanism.

[0016] Furthermore, the frame includes side plates, n-shaped beams, and horizontal support rods;

[0017] The two side plates are rotatably connected by the same axle, the two front wheels are fixed on the outer walls of both ends of the axle, and the two rear wheels are rotatably connected to the outer walls of the rear ends of the corresponding side plates via a pivot.

[0018] The axle drives the first sliding mechanism to work by rotating;

[0019] The upper middle part of the two side plates is provided with horizontal support rods through the first fixed shaft, and the front end of the two horizontal support rods is fixedly provided with the same n-shaped beam. The two vertical plates of the n-shaped beam are respectively fixedly connected to the front end of the corresponding side horizontal support rods.

[0020] The two first nozzles are respectively movably disposed above the cross plate of the n-shaped beam, the two second nozzles are respectively movably disposed on the front side of the n-shaped beam, and the two third nozzles are respectively movably disposed on the inner side of the corresponding horizontal support rod.

[0021] The inner walls of the rear ends of the two horizontal support rods are respectively provided with the first end of the second fixed shaft. The mixing box is fixed between the second ends of the two second fixed shafts. The bottom front wall of the mixing box is connected to the input end of the main pipe. The main pipe is provided with six output ports respectively.

[0022] Furthermore, the first sliding mechanism includes a first spur gear, a second spur gear, a main shaft, a bidirectional reciprocating lead screw, a third spur gear, a fourth spur gear, a threaded slider, and a first through groove;

[0023] The inner outer walls of both ends of the axle are respectively fixed with a first spur gear, and the two first spur gears are respectively located between the front wheel and the side plate on the corresponding side.

[0024] The lower part of the two vertical plates of the n-shaped beam is respectively inclined downward and provided with the first end of the first connecting rod. A main shaft is rotatably passed between the second ends of the two first connecting rods. The two ends of the main shaft are respectively fixedly sleeved with second spur gears. The two second spur gears are respectively meshed on the upper part of the first spur gear on the corresponding side.

[0025] A third spur gear is fixedly sleeved at the middle end of the main shaft, and the same bidirectional reciprocating screw is rotatably provided between the two vertical plates of the n-shaped beam. A fourth spur gear is fixedly sleeved at the middle end of the bidirectional reciprocating screw. The third spur gear and the fourth spur gear mesh with each other, and the fourth spur gear is rotatably located below the horizontal plate of the n-shaped beam.

[0026] The first end of a threaded slider is threadedly sleeved on the two bidirectional threaded ends of the bidirectional reciprocating screw. The cross plate of the n-shaped beam is provided with two first through slots. The second ends of the two threaded sliders slide through the corresponding first through slots.

[0027] The first end of the horizontal tube of the first T-shaped water distribution pipe is fixed on the rear wall of the second end of the two threaded sliders respectively. The two first nozzles are respectively connected to the vertical tube end of the first T-shaped water distribution pipe on the corresponding side. The second end of the horizontal tube of the two first T-shaped water distribution pipes is respectively connected to the two output ports on the main pipe through the first flexible hose.

[0028] The two threaded sliders respectively drive the second sliding mechanism and the swing mechanism to work through sliding.

[0029] Furthermore, the diameter of the first spur gear is larger than the diameter of the second spur gear;

[0030] The diameter of the third spur gear is larger than the diameter of the fourth spur gear.

[0031] Furthermore, the swing mechanism includes a second connecting rod, a first sliding groove, and a convex shaft;

[0032] The front walls of the two vertical plates of the n-shaped beam are respectively provided with the first end of the third fixed shaft, and the outer walls of the second ends of the two third fixed shafts are respectively rotatably sleeved with the first end of the second connecting rod.

[0033] The rear walls of the two second connecting rods are respectively provided with first sliding grooves, and the front walls of the second ends of the two threaded sliders are respectively provided with first ends of convex shafts, and the second ends of the two convex shafts are respectively slidably disposed in the first sliding grooves on the corresponding sides.

[0034] The upper outer walls of the two second connecting rods are respectively provided with the first end of the horizontal pipe of the second T-shaped water distribution pipe. The two second nozzles are respectively connected to the second end of the horizontal pipe of the corresponding side of the second T-shaped water distribution pipe. The vertical ends of the two second T-shaped water distribution pipes are respectively connected to the two output ports on the main pipe through the second flexible hose.

[0035] Furthermore, the second sliding mechanism includes a sliding plate, a first connecting frame, a second connecting frame, a third connecting rod, and a second through slot;

[0036] The first end rear wall of each of the two threaded sliders is provided with a second connecting frame, and the first end of the third connecting rod is rotatably provided in each of the two second connecting frames;

[0037] Each of the two horizontal support rods is provided with a second through groove, and a sliding plate slides through each of the two second through grooves;

[0038] The front inner walls of the two skateboards are respectively provided with a first connecting frame, and the second ends of the two third connecting rods are respectively rotatably disposed in the first connecting frame on the corresponding side;

[0039] The inner walls of the rear ends of the two slide plates are respectively provided with mounting cylinders via the fourth fixed shaft. The vertical pipes of the L-shaped water distribution pipes are fixedly inserted inside the two mounting cylinders. The two third nozzles are respectively connected to the ends of the horizontal pipes of the L-shaped water distribution pipes on the corresponding sides.

[0040] The vertical ends of the two L-shaped water distribution pipes are respectively connected to the two output ports on the main pipe via a third flexible hose;

[0041] The fourth fixed shaft located on the left side drives the mixing mechanism to operate via a sliding mechanism.

[0042] Furthermore, the mixing mechanism includes a second slide, a slider, a convex plate, a vertical rod, a fourth connecting rod, a fifth connecting rod, and a vertical shaft;

[0043] The first end of a vertical rod is fixedly sleeved on the outer wall of the fourth fixed shaft on the left side. A second sliding groove is provided on the inner wall of the side plate on the left side. A slider slides through the second sliding groove. A protruding plate is fixed on the inner wall of the slider by the fifth fixed shaft.

[0044] The second end of the vertical rod is fixedly sleeved on the outer wall of the fifth fixed shaft;

[0045] The upper end of the convex plate is provided with a sixth fixed shaft, and the first end of the fourth connecting rod is rotatably sleeved on the outer wall of the sixth fixed shaft;

[0046] The bottom of the mixing box is rotatably connected by a vertical shaft. The lower end of the vertical shaft is fixedly provided with the middle end of the fifth connecting rod. The lower end of the fifth connecting rod near the left side plate is provided with a seventh fixed shaft. The second end of the fourth connecting rod is rotatably provided on the outer wall of the seventh fixed shaft.

[0047] Several mixing rods are fixedly installed on the outer wall of the vertical shaft. The mixing rods are movably installed inside the mixing box. The vertical shaft drives the uniform drug delivery mechanism to work by rotating.

[0048] Furthermore, the uniform drug dispensing mechanism includes an inner cylinder, an outer cylinder, and a rotating barrel;

[0049] An inner cylinder is fixedly provided on the upper inner wall of the mixing box, and an outer cylinder is provided at the upper end of the inner cylinder. The bottom wall of the outer cylinder is fixedly provided on the upper end of the top wall of the mixing box.

[0050] Two first replenishment ports are respectively provided on the bottom wall of the outer cylinder;

[0051] The outer cylinder is equipped with a rotating barrel, the upper end of which is detachably covered with a top cover. The rotating barrel is equipped with a partition for separating the medicine liquid and water. The top end of the vertical shaft rotates through the bottom wall of the outer cylinder and is fixedly connected to the bottom wall of the rotating barrel.

[0052] The rotating barrel is provided with two second replenishment ports, which are respectively located on both sides of the partition.

[0053] The two second supplementary ports are detachably connected to the corresponding first supplementary ports on the same side.

[0054] Advantages of this invention:

[0055] All the movements of the nozzles, the mixing of the pesticide solution, and the replenishment of the pesticide in this equipment are powered by the front wheels of the equipment that walk in the field. This is achieved through pure mechanical linkage of gears and connecting rods, which greatly simplifies the overall structure and reduces the weight of the equipment. It is less likely to crush potato seedlings when walking in muddy fields and between rows, and dust and mud will not cause electrical faults, making maintenance convenient.

[0056] In addition to the objectives, features and advantages described above, the present invention has other objectives, features and advantages, which will be further described in detail below with reference to the figures. Attached Figure Description

[0057] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an improper limitation of the invention.

[0058] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0059] Figure 2 This is a side view schematic diagram of the transmission structure of the device of the present invention;

[0060] Figure 3 This is a schematic diagram of the assembly of the mixing box and the drug administration mechanism of the present invention;

[0061] Figure 4 This is an enlarged view of the first sliding mechanism of the front wheel gear transmission of the present invention;

[0062] Figure 5 This is an enlarged view of the assembly structure of the first nozzle at the n-shaped beam of the present invention;

[0063] Figure 6 This is a partially enlarged view of the swing mechanism and the second nozzle of the present invention;

[0064] Figure 7 This is an enlarged view of the transmission of the second sliding mechanism of the present invention;

[0065] Figure 8 This is a cross-sectional structural diagram of the mixing box and uniform drug delivery mechanism of the present invention;

[0066] Figure 9 This is a schematic diagram of the assembly of the mixing tank and the frame.

[0067] Figure label:

[0068] 1 is a side plate, 2 is a front wheel, 3 is a mixing box, 4 is an outer cylinder, 5 is a rotating barrel, 6 is a partition, 7 is a wheel axle, 8 is the first spur gear, 9 is the main shaft, 10 is the second spur gear, 11 is the third spur gear, 12 is a bidirectional reciprocating lead screw, 13 is the fourth spur gear, 14 is a horizontal support rod, 15 is a slider, 16 is the fourth connecting rod, 17 is a vertical rod, 18 is an n-shaped beam, 19 is the fifth connecting rod, 20 is a threaded slider, 21 is a sliding plate, 22 is a mounting cylinder, 23 is an L-shaped water distribution pipe, 24 is the first T-shaped water distribution pipe, 25 is the second connecting rod, 26 is the second T-shaped water distribution pipe, 27 is the third connecting rod, and 28 is a vertical shaft;

[0069] 101 is the second groove;

[0070] 201 is the rear wheel;

[0071] 401 is the inner cylinder, and 402 is the first replenishment port;

[0072] 501 is the second supplementary port;

[0073] 1401 is the second through slot, and 1402 is the first connecting rod;

[0074] 1501 is a convex plate;

[0075] 1801 is the first through slot;

[0076] 2001 is the convex shaft, and 2002 is the second connecting bracket;

[0077] 2101 is the first connecting frame;

[0078] 2301 is the third nozzle;

[0079] 2401 is the first nozzle;

[0080] 2501 is the first groove;

[0081] 2601 is the second nozzle. Detailed Implementation

[0082] To make the objectives, technical solutions, and advantages of the invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of the invention.

[0083] In the description of the invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the invention.

[0084] refer to Figures 1 to 9 A field spraying device for uniform application of potato late blight, comprising:

[0085] The frame serves as the mounting carrier for all components and adopts a front and rear walking wheel support structure. It is equipped with front wheels 2 and rear wheels 201 on both sides, allowing it to move smoothly along the potato rows. The frame is arranged in three layers from front to back along the front-to-back direction with different types of nozzles to achieve layered three-dimensional spraying: the frontmost layer has two sets of second nozzles 2601 that can swing back and forth; the second layer has two sets of first nozzles 2401 that can slide laterally; and the last layer has two sets of third nozzles 2301 that can slide vertically. A mixing box 3 is uniformly arranged behind the three sets of nozzles to centrally complete the storage, proportioning, and mixing of pesticides and water, and uniformly distribute the prepared pesticide solution to the three sets of nozzles. The overall layout of the machine conforms to the layered growth pattern of the potato rows, with no blind spots in spraying.

[0086] The first sliding mechanism is integrated in the middle of the frame, and its power comes entirely from the equipment's movement in the field: when the equipment is pulled forward, the ground friction drives the front wheel 2 to rotate synchronously, and the rotation of the wheel axle 7 directly drives the first sliding mechanism to continuously reciprocate; the first sliding mechanism is the core hub of the whole machine linkage. On the one hand, it directly drives the first nozzles 2401 on the left and right sides to slide synchronously laterally and reciprocate, completing full coverage spraying across the ridge width; on the other hand, it outputs mechanical power forward and backward respectively, synchronously driving the front swing mechanism and the rear second sliding mechanism to operate synchronously, realizing the synchronous action of multiple nozzles;

[0087] The second sliding mechanism is located behind the first sliding mechanism and is synchronously driven by the first sliding mechanism to drive the two sets of third nozzles 2301 to reciprocate and slide in the front-back direction, so as to achieve complete coverage of the equipment's travel direction; at the same time, this mechanism outputs power from one side as the power source for the hybrid mechanism.

[0088] The oscillating mechanism is located in front of the first sliding mechanism. It has no independent power input and is driven synchronously by the sliding action of the first sliding mechanism. The first sliding mechanism can drive the two sets of second nozzles 2601 to oscillate periodically, expand the spraying width of the upper leaves of the plant, and solve the problems of narrow spraying range of fixed nozzles and insufficient adhesion of pesticide to the upper leaves.

[0089] Mixing mechanism; The mixing mechanism is built into the rear mixing box 3. The power is taken from the second sliding mechanism. When the equipment moves and sprays, the forward and backward sliding motion of the third nozzle 2301 synchronously drives the mixing mechanism to operate, driving the stirring component to continuously stir the agent and water in the mixing box 3.

[0090] Uniform pesticide dispensing mechanism; The uniform pesticide dispensing mechanism is installed on the top of the mixing box 3, and the power is synchronously provided by the vertical shaft 28 of the mixing mechanism; When the stirring mechanism is running, it synchronously drives the internal partition chamber of the pesticide dispensing mechanism to rotate, and periodically and quantitatively delivers clean water and pesticide concentrate into the mixing box 3, realizing continuous automatic pesticide dispensing during the movement.

[0091] The frame includes side plates 1, n-shaped beams 18, and horizontal support rods 14;

[0092] The two sides are symmetrically arranged with side plates 1 as the load-bearing components of the machine. The front ends of the two side plates 1 are connected by the same wheel axle 7. The front wheel 2 is rigidly fixed to the outer wall of both ends of the wheel axle 7. The rear wheel 201 is independently assembled on the outer wall of the rear end of the side plate 1 through a rotating shaft. The front wheel 2 and the rear wheel 201 cooperate to form a four-wheel walking support structure, which allows the equipment to move smoothly along the potato rows.

[0093] The front wheel 2 of the equipment rotates, causing the wheel axle 7 to rotate. The wheel axle 7, as the power input shaft, is directly connected to the first sliding mechanism, converting the ground friction force of the equipment into the original power of all the moving mechanisms of the whole machine.

[0094] The upper ends of the two side plates 1 are respectively fixed with horizontal support rods 14 through the first fixed shaft. The front ends of the two horizontal support rods 14 are jointly fixed with the same n-shaped beam 18. The vertical plates on both sides of the n-shaped beam 18 are rigidly connected to the front ends of the horizontal support rods 14 on the same side to form a front support frame. The horizontal support rods 14 extend along the front and rear direction of the equipment.

[0095] Based on the frame structure of n-shaped beam 18 and horizontal support rod 14, three sets of functional nozzles are assembled independently in different areas. Two sets of first nozzles 2401 are movably assembled above the horizontal plate of n-shaped beam 18, which can slide horizontally left and right to be responsible for full coverage spraying of the middle part of the plants between rows.

[0096] Two sets of second nozzles 2601 are assembled on the front side of the n-shaped beam 18 vertical plate, which can swing up and down to sweep and spray the upper leaves of the potato over a wide area.

[0097] A third nozzle 2301 is installed on the inner side of each of the two horizontal support rods 14. It can slide along the front and back of the horizontal support rod 14 to reach into the furrows, leaf backs and stem gaps to complete the application of pesticides in concealed areas. The spatial positions of the three nozzles do not interfere with each other and their movement trajectories complement each other, eliminating dead zones for pesticide application between rows.

[0098] The inner walls of the rear ends of the two horizontal support rods 14 are respectively provided with second fixed shafts. The two second fixed shafts on both sides together clamp and fix the mixing box 3. The bottom front wall of the mixing box 3 is connected to the main liquid supply pipe. The main pipe is divided into six independent output ports, which supply two sets of first nozzles 2401, two sets of second nozzles 2601, and two sets of third nozzles 2301 through hoses respectively. The six pipelines are independent of each other, the liquid supply pressure of each nozzle is balanced, and the spray flow is stable.

[0099] The first sliding mechanism includes a first spur gear 8, a second spur gear 10, a main shaft 9, a bidirectional reciprocating lead screw 12, a third spur gear 11, a fourth spur gear 13, a threaded slider 20, and a first through groove 1801;

[0100] The first spur gear 8 is symmetrically fixed at both ends of the axle 7 and between the front wheel 2 and the side plate 1. When the equipment moves forward in the field, the front wheel 2 rotates with the friction of the ground, synchronously driving the axle 7 and the first spur gear 8 on both sides to rotate continuously. The first connecting rod 1402 is inclinedly arranged below the vertical plates on both sides of the n-shaped beam 18. The two first connecting rods 1402 rotate together to assemble the main shaft 9. The second spur gear 10 is fixed at both ends of the main shaft 9 and meshes with the upper part of the first spur gear 8 on the same side. The rotational torque of the front wheel 2 is transmitted to the second spur gear 10 through the first spur gear 8, driving the main shaft 9 to rotate synchronously.

[0101] The third spur gear 11 is rigidly fixed in the middle section of the main shaft 9. A bidirectional reciprocating screw 12 is horizontally mounted between the two vertical plates of the n-shaped beam 18. A fourth spur gear 13 is fixed in the middle of the bidirectional reciprocating screw 12. The third spur gear 11 and the fourth spur gear 13 mesh with each other. When the main shaft 9 rotates, the power is transmitted to the bidirectional reciprocating screw 12 through a pair of meshing gears, so that the bidirectional reciprocating screw 12 rotates continuously in one direction at a uniform speed.

[0102] The bidirectional reciprocating screw 12 has bidirectional reciprocating threads with opposite directions on its left and right sections, and threaded sliders 20 are threaded onto the two sections respectively; the n-shaped beam 18 has two long first through slots 1801 on its horizontal plate, and the upper part of the threaded sliders 20 extends upward through the first through slots 1801; when the bidirectional reciprocating screw 12 rotates continuously, the bidirectional threads drive the threaded sliders 20 on both sides to slide back and forth in a straight line along the first through slots 1801 in a synchronous left and right reciprocating motion;

[0103] The threaded slider 20 extends upwards and its rear end is fixed to the first T-shaped water distribution pipe 24. The vertical end of the first T-shaped water distribution pipe 24 is connected to the first nozzle 2401. The other end of the horizontal pipe of the first T-shaped water distribution pipe 24 is connected to the two output ports of the main liquid supply pipe through the first hose. The liquid is diverted from the mixing box 3 main pipe to the first T-shaped water distribution pipe 24 and finally sprayed out by the first nozzle 2401. When the threaded slider 20 slides left and right, it simultaneously drives the two sets of first nozzles 2401 to move back and forth along the width of the ridge, fully covering the middle stems and leaves of the potato plants.

[0104] The two threaded sliders 20 drive the second sliding mechanism and the swing mechanism respectively through sliding.

[0105] The diameter of the first spur gear 8 is larger than the diameter of the second spur gear 10;

[0106] The diameter of the third spur gear 11 is larger than that of the fourth spur gear 13. Since the sliding speed of the threaded slider 20 driven by the threaded transmission is not high, the rotational speed of the bidirectional reciprocating screw 12 is increased by two-stage acceleration, thereby increasing the reciprocating frequency of the threaded slider 20.

[0107] The swing mechanism includes a second link 25, a first slide groove 2501, and a cam shaft 2001;

[0108] The front walls of the left and right vertical plates of the n-shaped beam 18 are respectively fixed with the third fixed shaft. The outer end of the third fixed shaft is rotated and assembled with the bottom end of the second connecting rod 25, so that the second connecting rod 25 can reciprocate left and right around the third fixed shaft, providing a rotation fulcrum for the swing of the second nozzle 2601.

[0109] The threaded slider 20 has a fixed cam shaft 2001 extending upwards at its front end. The end of the cam shaft 2001 extends into the long first slide groove 2501 opened on the rear wall of the second connecting rod 25. When the equipment moves, the bidirectional reciprocating screw 12 drives the threaded slider 20 to continuously move back and forth along the first through groove 1801. During the movement of the threaded slider 20, the cam shaft 2001 slides relative to the first slide groove 2501, pushing and pulling the second connecting rod 25 to swing back and forth periodically around the third fixed axis, converting the horizontal linear motion of the threaded slider 20 into the reciprocating swing motion of the second connecting rod 25.

[0110] The second T-shaped water distribution pipe 26 is fixed to the outer wall of the upper end of the second connecting rod 25. One end of the horizontal pipe of the second T-shaped water distribution pipe 26 is connected to the second nozzle 2601, and the vertical pipe leads down to the second hose. The second hose is connected to the two output ports corresponding to the main liquid supply pipe. The medicine solution prepared in the mixing box 3 is transported to the second T-shaped water distribution pipe 26 through the main pipe and the second hose, and finally sprayed outward by the second nozzle 2601.

[0111] The second T-shaped water distribution pipe 26 swings synchronously with the second connecting rod 25, and the second nozzle 2601 sprays at the same angle, sweeping back and forth synchronously, greatly widening the spray width of the upper blades.

[0112] The second sliding mechanism includes a slide plate 21, a first connecting frame 2101, a second connecting frame 2002, a third connecting rod 27, and a second through groove 1401;

[0113] The second connecting frame 2002 is fixed to the rear wall of the threaded sliders 20 on both sides. One end of the third connecting rod 27 is hinged and assembled inside the second connecting frame 2002. When the bidirectional reciprocating screw 12 drives the threaded slider 20 to move back and forth along the first through groove 1801, the second connecting frame 2002 moves laterally synchronously with the threaded slider 20, pulling the third connecting rod 27 to push and pull swing, converting the horizontal left and right linear motion of the threaded slider 20 into the reciprocating thrust of the third connecting rod 27 in the front and back direction, providing power input for the sliding plate 21 to slide back and forth.

[0114] Two horizontal support rods 14 have elongated second through slots 1401 along the front-rear direction of the equipment. The slide plate 21 is entirely inserted into the second through slot 1401. The second through slot 1401 limits and guides the slide plate 21, ensuring that the slide plate 21 can only slide in a straight line back and forth along the horizontal support rods 14. A first connecting frame 2101 is fixed to the inner wall of the front end of the slide plate 21. The other end of the third connecting rod 27 is hinged to the first connecting frame 2101. The pushing and pulling action of the third connecting rod 27 directly drives the slide plate 21 to slide back and forth synchronously along the second through slot 1401.

[0115] The rear end of the slide plate 21 is fixed to the mounting cylinder 22 via the fourth fixed shaft. The vertical pipe of the L-shaped water distribution pipe 23 is inserted and fixed inside the mounting cylinder 22. The horizontal end of the L-shaped water distribution pipe 23 is connected to the third nozzle 2301. The vertical pipe of the L-shaped water distribution pipe 23 leads down to the third flexible hose, which is connected to the two output ports corresponding to the main liquid supply pipe.

[0116] The prepared medicine solution in the mixing box 3 is transported to the L-shaped water distribution pipe 23 through the main pipe and the third hose, and finally sprayed outward by the third nozzle 2301; when the slide plate 21 slides back and forth, it drives the third nozzle 2301 to move synchronously.

[0117] The fourth fixed shaft on the left operates via a sliding drive mechanism.

[0118] The mixing mechanism includes a second slide 101, a slider 15, a convex plate 1501, a vertical rod 17, a fourth connecting rod 16, a fifth connecting rod 19, and a vertical shaft 28;

[0119] The fourth fixed shaft at the rear end of the left side plate 21 slides back and forth in a straight line with the plate 21. The bottom end of the vertical rod 17 is rigidly fixed on the outer wall of the shaft. A vertical long second slide groove 101 is opened on the inner wall of the left side plate 1. The slider 15 passes through the second slide groove 101 and can only slide back and forth along the second slide groove 101. The upper end of the vertical rod 17 is fixed on the fifth fixed shaft of the slider 15.

[0120] When the slide plate 21 moves back and forth, the vertical rod 17 simultaneously pushes and pulls the slider 15 to slide back and forth along the second slide groove 101;

[0121] The slider 15 is fixedly connected to the convex plate 1501 via the fifth fixed shaft. The sliding of the slider 15 back and forth will synchronously drive the convex plate 1501 to slide back and forth synchronously. The upper end of the convex plate 1501 is provided with a sixth fixed shaft, and the bottom end of the fourth connecting rod 16 is hinged to the sixth fixed shaft. When the convex plate 1501 reciprocates back and forth, the fourth connecting rod 16 oscillates periodically back and forth.

[0122] A vertical shaft 28 is rotatably inserted through the bottom of the mixing tank 3, with a fifth connecting rod 19 fixed in the center at the lower end of the vertical shaft 28. A seventh fixed shaft is set at the end of the fifth connecting rod 19 near the left side plate 1, and the top of the fourth connecting rod 16 is hinged to the outside of the seventh fixed shaft. The fourth connecting rod 16 pushes and pulls the end of the fifth connecting rod 19 back and forth, causing the fifth connecting rod 19 to reciprocate around the vertical shaft 28, thereby driving the vertical shaft 28 to rotate alternately in both directions within the mixing tank 3. Compared with unidirectional rotation stirring, the liquid is more thoroughly agitated, and it is less likely for the liquid to precipitate and separate.

[0123] Multiple mixing rods are fixed along the axial direction of the vertical shaft 28, and all mixing rods are placed inside the mixing chamber 3. When the vertical shaft 28 rotates back and forth, multiple sets of mixing rods simultaneously stir the water and pesticide concentrate in the chamber, and the equipment moves and sprays pesticides synchronously.

[0124] The uniform drug dispensing mechanism includes an inner cylinder 401, an outer cylinder 4, and a rotating barrel 5;

[0125] An inner cylinder 401 is fixedly mounted on the top inner wall of the mixing tank 3. An outer cylinder 4 is set above the inner cylinder 401. The bottom of the outer cylinder 4 is fixed to the top wall of the mixing tank 3. The inner cylinder 401 serves as a guide and sealing transition. The outer cylinder 4 serves as the mounting shell for the rotating barrel 5, providing a closed rotation space for the rotating barrel 5. Two independent first replenishment ports 402 are opened on the bottom wall of the outer cylinder 4. The two first replenishment ports 402 correspond to the two feeding channels of clean water and pesticide concentrate, respectively, and are directly connected to the inner cavity of the mixing tank 3. They are fixed channels for pesticides and clean water to enter the mixing tank 3.

[0126] The outer cylinder 4 is coaxially mounted with a rotating bucket 5 inside. The upper end of the rotating bucket 5 is equipped with a detachable top cover. By opening the top cover, clean water and pesticide concentrate can be added into the bucket respectively. After adding, the top cover is closed to prevent field dust and debris from falling into and contaminating the pesticide.

[0127] The rotating drum 5 has a rigidly fixed vertical partition 6 inside, which completely divides the inner cavity of the rotating drum 5 into two independent chambers. One chamber stores clean water, and the other chamber stores pesticide concentrate, so that water and pesticide concentrate are stored separately in advance and will not be mixed in advance.

[0128] The two second supplementary ports 501 are detachably connected to the corresponding first supplementary ports 402 on the side.

[0129] The vertical shaft 28 of the mixing mechanism extends upward and passes through the top wall of the mixing box 3 and the bottom wall of the outer cylinder 4 in sequence. The top of the shaft is rigidly fixed to the bottom of the rotating barrel 5. When the vertical shaft 28 rotates back and forth with the mixing mechanism to stir the medicine, it synchronously drives the rotating barrel 5 to rotate back and forth inside the outer cylinder 4.

[0130] As the rotating drum 5 continues to rotate, its second replenishment port 501 at the bottom periodically overlaps and connects with the first replenishment port 402 on the bottom wall of the outer cylinder 4. When the two openings are aligned, the water and pesticide in the corresponding chambers flow downwards into the mixing box 3 by their own weight. After the rotating drum 5 rotates and the openings are offset, the feeding channel is closed, and the feeding stops. The detachable and dockable structure of the two sets of openings allows for adjustment of the amount of water and pesticide fed per unit time by changing replenishment ports of different diameters, adapting to the mixing ratio requirements of different pesticide dilution ratios.

[0131] Implementation method of the present invention:

[0132] Open the removable top cover of the rotating tank 5. The internal partition 6 of the rotating tank 5 divides the cavity into two independent chambers. Add pesticide concentrate (potato late blight fungicide) to one chamber and add water to the other chamber. After adding, close the top cover.

[0133] The entire device is pulled to the edge of the potato ridges. The device is then connected to a traction device and moved forward at a constant speed along the potato furrows. The front wheel 2 rotates due to friction with the ground, and the axle 7 starts to rotate. Through a two-stage acceleration gear set, the bidirectional reciprocating screw 12 starts to rotate. The rotation of the bidirectional reciprocating screw 12 drives the threaded sliders 20 on both sides to slide back and forth synchronously along the first through groove 1801 of the n-shaped beam 18. The threaded sliders 20 drive the first T-shaped water pipe 24 and the first nozzle 2401 to move back and forth laterally. The liquid is diverted from the main pipe to the first nozzle, and the plant stems and leaves in the middle of the potato ridge are fully covered by horizontal spraying.

[0134] The front end of the threaded slider 20 has a convex shaft 2001 that extends into the first groove 2501 of the second connecting rod 25. When the threaded slider 20 moves left and right, it pushes and pulls the second connecting rod 25 to reciprocate around the third fixed axis. The second T-shaped water pipe 26 at the upper end of the second connecting rod 25 drives the second nozzle 2601 to swing left and right periodically, sweeping and spraying the upper leaves of the potato canopy over a wide area.

[0135] The second connecting frame 2002 at the rear end of the threaded slider 20 pulls the third connecting rod 27 to push and pull the slide plate 21 back and forth. The slide plate 21 slides back and forth along the second through groove 1401 of the horizontal support rod 14. The mounting cylinder 22 at the rear end of the slide plate 21 fixes the L-shaped water distribution pipe 23 and the third nozzle 2301. It slides back and forth with the slide plate 21 to apply medicine in depth to the hidden areas where late-term epidemic diseases are prevalent.

[0136] The fourth fixed shaft at the rear end of the left slide plate 21 moves back and forth with the slide plate 21, driving the vertical rod 17 to push and pull the slider 15 to slide back and forth along the second vertical groove 101 of the side plate 1; the slider 15 drives the convex plate 1501 to move synchronously, and pushes and pulls the fifth connecting rod 19 to swing back and forth through the fourth connecting rod 16, driving the vertical shaft 28 at the bottom of the mixing box 3 to rotate alternately in the forward and reverse directions; multiple mixing rods on the outer wall of the vertical shaft 28 continuously stir the water and the medicine in both directions in the inner cavity of the mixing box 3;

[0137] The top of the vertical shaft 28 passes through the bottom of the outer cylinder 4 and is rigidly fixed to the rotating barrel 5. While the vertical shaft 28 reciprocates and stirs, it drives the rotating barrel 5 to rotate synchronously inside the outer cylinder 4. The second replenishment port 501 on both sides of the partition 6 of the rotating barrel 5 periodically overlaps and aligns with the first replenishment port 402 on the bottom wall of the outer cylinder. Clean water and pesticide concentrate flow into the mixing box 3 below intermittently and quantitatively by their own weight, so as to realize continuous automatic proportioning and supply of liquid during the movement.

[0138] All the movements of the nozzles, the mixing of the pesticide solution, and the replenishment of the pesticide in this equipment are powered by the front wheels of the equipment that walk in the field. This is achieved through pure mechanical linkage of gears and connecting rods, which greatly simplifies the overall structure and reduces the weight of the equipment. It is less likely to crush potato seedlings when walking in muddy fields and between rows, and dust and mud will not cause electrical faults, making maintenance convenient.

[0139] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A field spraying device for uniform application of pesticides to potato late blight, characterized in that: include: frame; The frame is provided with a front wheel (2) and a rear wheel (201) at the front and rear ends of both sides, respectively. Two second nozzles (2601) are provided at the front end of the frame. A first nozzle (2401) that can slide left and right is provided at the rear side of the two second nozzles (2601). A third nozzle (2301) that can slide back and forth is provided at the rear side of the two first nozzles (2401). The same mixing box (3) is provided at the rear side of the two third nozzles (2301). The mixing box (3) is fixedly located at the rear of the frame. The first sliding mechanism is located inside the frame. When the equipment moves, the front wheel (2) rotates, synchronously driving the first sliding mechanism to operate. Both first nozzles (2401) are driven to slide by the first sliding mechanism. Second sliding mechanism; Located on the rear side of the first sliding mechanism, and driven by the first sliding mechanism, both third nozzles (2301) are driven to slide by the second sliding mechanism; A swing mechanism is located in front of the first sliding mechanism and is driven by the first sliding mechanism. Both second nozzles (2601) are driven to swing by the swing mechanism. A mixing mechanism is located inside the mixing box (3) and is driven by the second sliding mechanism. Uniform drug delivery mechanism; located above the mixing box (3), and driven by the mixing mechanism.

2. The potato late blight field spray uniform application equipment according to claim 1, characterized in that: The frame includes a side plate (1), an n-shaped beam (18), and a horizontal support (14). The two side plates (1) are rotatably connected by the same axle (7), the two front wheels (2) are respectively fixed on the outer walls of both ends of the axle (7), and the two rear wheels (201) are respectively rotatably connected on the outer walls of the rear ends of the corresponding side plates (1) through a rotating shaft; The axle (7) drives the first sliding mechanism to work by rotating; The upper middle part of the two side plates (1) is provided with horizontal support rods (14) through the first fixed shaft. The front end of the two horizontal support rods (14) is fixedly provided with the same n-shaped beam (18). The two vertical plates of the n-shaped beam (18) are fixedly connected to the front end of the corresponding side horizontal support rods (14). Two first nozzles (2401) are respectively movably disposed above the cross plate of the n-shaped beam (18), two second nozzles (2601) are respectively movably disposed on the front side of the n-shaped beam (18), and two third nozzles (2301) are respectively movably disposed on the inner side of the corresponding horizontal support rod (14); The inner walls of the rear ends of the two horizontal support rods (14) are respectively provided with the first end of the second fixed shaft. The mixing box (3) is fixed between the second ends of the two second fixed shafts. The bottom front wall of the mixing box (3) is connected to the input end of the main pipe. The main pipe has six output ports respectively.

3. The potato late blight field spray uniform application equipment according to claim 2, characterized in that: The first sliding mechanism includes a first spur gear (8), a second spur gear (10), a main shaft (9), a bidirectional reciprocating lead screw (12), a third spur gear (11), a fourth spur gear (13), a threaded slider (20), and a first through groove (1801). The inner outer walls of both ends of the axle (7) are respectively fixed with first spur gears (8), and the two first spur gears (8) are respectively located between the front wheel (2) and the side plate (1) on the corresponding side. The lower part of the two vertical plates of the n-shaped beam (18) is provided with the first end of the first connecting rod (1402) inclined downward respectively. The second ends of the two first connecting rods (1402) are rotatably connected by a main shaft (9). The two ends of the main shaft (9) are respectively fixedly sleeved with second spur gears (10). The two second spur gears (10) are respectively meshed on the upper part of the first spur gear (8) on the corresponding side. The middle end of the main shaft (9) is fixedly fitted with a third spur gear (11), and the two vertical plates of the n-shaped beam (18) are rotatably fitted with the same bidirectional reciprocating screw (12). The middle end of the bidirectional reciprocating screw (12) is fixedly fitted with a fourth spur gear (13). The third spur gear (11) and the fourth spur gear (13) mesh with each other, and the fourth spur gear (13) is rotatably positioned below the horizontal plate of the n-shaped beam (18). The first end of the threaded slider (20) is threaded on the two bidirectional threaded ends of the bidirectional reciprocating screw (12). The cross plate of the n-shaped beam (18) is provided with two first through slots (1801). The second ends of the two threaded sliders (20) slide through the first through slots (1801) on the corresponding sides. The first end of the horizontal tube of the first T-shaped water distribution pipe (24) is fixed on the rear wall of the second end of the two threaded sliders (20). The two first nozzles (2401) are connected to the vertical tube end of the first T-shaped water distribution pipe (24) on the corresponding side. The second end of the horizontal tube of the two first T-shaped water distribution pipes (24) is connected to the two output ports on the main tube through the first hose. The two threaded sliders (20) drive the second sliding mechanism and the swing mechanism respectively by sliding.

4. The potato late blight field spray uniform application equipment according to claim 3, characterized in that: The diameter of the first spur gear (8) is larger than the diameter of the second spur gear (10); The diameter of the third spur gear (11) is larger than the diameter of the fourth spur gear (13).

5. The potato late blight field spray uniform application equipment according to claim 3, characterized in that: The swing mechanism includes a second link (25), a first slide groove (2501), and a convex shaft (2001). The first end of the third fixed shaft is provided on the front wall of the two vertical plates of the n-shaped beam (18), and the first end of the second connecting rod (25) is rotatably sleeved on the outer wall of the second end of the two third fixed shafts. The rear walls of the two second connecting rods (25) are respectively provided with first sliding grooves (2501), and the front walls of the second ends of the two threaded sliders (20) are respectively provided with the first ends of the convex shafts (2001), and the second ends of the two convex shafts (2001) are respectively slidably disposed in the first sliding grooves (2501) on the corresponding sides; The upper outer walls of the two second connecting rods (25) are respectively provided with the first end of the horizontal tube of the second T-shaped water distribution pipe (26). The two second nozzles (2601) are respectively connected to the second end of the horizontal tube of the corresponding side of the second T-shaped water distribution pipe (26). The vertical ends of the two second T-shaped water distribution pipes (26) are respectively connected to the two output ports on the main pipe through the second hose.

6. The potato late blight field spray uniform application equipment according to claim 3, characterized in that: The second sliding mechanism includes a sliding plate (21), a first connecting frame (2101), a second connecting frame (2002), a third connecting rod (27), and a second through slot (1401). The first end rear wall of each of the two threaded sliders (20) is provided with a second connecting frame (2002), and the first end of the third connecting rod (27) is rotatably provided in each of the two second connecting frames (2002); The two horizontal support rods (14) are respectively provided with second through grooves (1401), and slide plates (21) slide through the two second through grooves (1401). The front inner walls of the two slide plates (21) are respectively provided with a first connecting frame (2101), and the second ends of the two third connecting rods (27) are respectively rotatably disposed in the first connecting frame (2101) on the corresponding side; The inner walls of the rear ends of the two slide plates (21) are respectively provided with mounting cylinders (22) through the fourth fixed shaft. The vertical pipes of the L-shaped water distribution pipes (23) are fixedly inserted in the two mounting cylinders (22). The two third nozzles (2301) are respectively connected to the ends of the horizontal pipes of the L-shaped water distribution pipes (23) on the corresponding sides. The vertical ends of the two L-shaped water distribution pipes (23) are respectively connected to the two output ports on the main pipe through a third flexible hose; The fourth fixed shaft located on the left side drives the mixing mechanism to operate via a sliding mechanism.

7. The potato late blight field spray uniform application equipment according to claim 6, characterized in that: The mixing mechanism includes a second slide (101), a slider (15), a convex plate (1501), a vertical rod (17), a fourth connecting rod (16), a fifth connecting rod (19), and a vertical shaft (28). The first end of a vertical rod (17) is fixedly sleeved on the outer wall of the fourth fixed shaft on the left side. A second sliding groove (101) is provided on the inner wall of the side plate (1) on the left side. A slider (15) slides through the second sliding groove (101). A protruding plate (1501) is fixed on the inner wall of the slider (15) by the fifth fixed shaft. The second end of the vertical rod (17) is fixedly sleeved on the outer wall of the fifth fixed shaft; The upper end of the convex plate (1501) is provided with a sixth fixed shaft, and the first end of the fourth connecting rod (16) is rotatably sleeved on the outer wall of the sixth fixed shaft; The bottom of the mixing box (3) is rotatably connected by a vertical shaft (28). The lower end of the vertical shaft (28) is fixedly provided with the middle end of the fifth connecting rod (19). The lower end of the fifth connecting rod (19) near the left side plate (1) is provided with a seventh fixed shaft. The second end of the fourth connecting rod (16) is rotatably provided on the outer wall of the seventh fixed shaft. Several mixing rods are fixedly provided on the outer wall of the vertical shaft (28), and the mixing rods are movably disposed inside the mixing box (3). The vertical shaft (28) drives the uniform drug delivery mechanism to work by rotating.

8. The potato late blight field spray uniform application equipment according to claim 7, characterized in that: The uniform drug delivery mechanism includes an inner cylinder (401), an outer cylinder (4), and a rotating barrel (5); An inner cylinder (401) is fixedly provided on the upper inner wall of the mixing box (3), and an outer cylinder (4) is provided at the upper end of the inner cylinder (401). The bottom wall of the outer cylinder (4) is fixedly provided on the upper end of the top wall of the mixing box (3). Two first replenishment ports (402) are respectively provided on the bottom wall of the outer cylinder (4). The outer cylinder (4) is rotatably provided with a rotating barrel (5), the upper end of the rotating barrel (5) is detachably provided with a top cover, the rotating barrel (5) is fixedly provided with a partition (6) for separating the medicine liquid and water, and the top end of the vertical shaft (28) rotatably passes through the bottom wall of the outer cylinder (4) and is fixedly connected to the bottom wall of the rotating barrel (5). The rotating barrel (5) is provided with two second replenishment ports (501), which are respectively located on both sides of the partition (6); The two second supplementary ports (501) are detachably connected to the corresponding first supplementary ports (402).

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