Agricultural combined fertilizer applicator

Abstract

The invention belongs to the technical field of agricultural planting, and particularly relates to an agricultural combined fertilizer applicator which comprises a stirring box, water pumps are symmetrically and fixedly installed at the bottom of the inner wall of the stirring box, water conveying pipes are fixedly installed at the output ends of the water pumps, and the ends, away from the water pumps, of the water conveying pipes penetrate through the stirring box and are fixedly provided with rotating connecting pipes. A water guide pipe is fixedly installed on the inner wall of the rotating connecting pipe, and a spray head is fixedly installed on the inner wall of the water guide pipe. When the stirring box moves, the two nozzles pass through the two sides of the crops, and the liquid fertilizer is directly sprayed to the roots of the crops after being sprayed out through the nozzles, so that the problem that the liquid fertilizer is blocked by the crops and cannot be absorbed by the roots when the liquid fertilizer is sprayed by the existing equipment is solved; according to the device, liquid fertilizer can be directly sprayed to the roots of crops, the roots of the crops are main parts for nutrient absorption, then the fertilization effect can be effectively improved, and the growth and yield of the crops are guaranteed.

Description

Technical Field

[0001] The present invention belongs to the technical field of agricultural planting, and specifically relates to an agricultural combined fertilizer applicator. Background Art

[0002] Agriculture is an industry that utilizes the growth and development laws of animals and plants to obtain products through artificial cultivation. Agriculture belongs to the primary industry. The science that studies agriculture is agronomy. The labor object of agriculture is living animals and plants, and the obtained products are the animals and plants themselves. Agriculture provides basic products to support the construction and development of the national economy. When the soil cannot provide the nutrients required for crop growth and development, the act of artificially supplementing nutrient elements to the crops is called fertilization. When fertilizing, an agricultural combined fertilization device is needed.

[0003] A Chinese patent with the publication number CN214282154U discloses an agricultural liquid fertilizer applicator. The motor drives the rotation of the rotating shaft. While the rotating shaft is rotating, the first stirring blade and the auxiliary stirring blade on the rotating shaft rotate synchronously with the rotating shaft, which can effectively stir the liquid fertilizer in the stirring tank evenly, so that the liquid fertilizer is evenly mixed in the stirring tank, solving the problem that the stirring effect of the existing liquid fertilizer applicator is not ideal, facilitating the uniform mixing and stirring of the fertilizer, being beneficial to improving the uniform degree of fertilizer mixing, and facilitating fertilization of crops.

[0004] Currently, in the prior art, during the fertilization process, fertilizers and water are put into the fertilization equipment, and after being evenly mixed by the stirring structure, they are sprayed out through the nozzle. However, during the fertilization operation, since the crops have grown, the fertilizers sprayed out by the nozzle will be blocked by the crops, resulting in the fertilizers not being well sprayed onto the roots of the crops, thereby affecting the fertilization effect.

[0005] Therefore, the present invention provides an agricultural combined fertilizer applicator. Summary of the Invention

[0006] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art.

[0007] The technical solution adopted by the present invention to solve its technical problems is as follows: An agricultural combined fertilizer applicator according to the present invention includes a stirring tank. Symmetrically and fixedly installed at the bottom of the inner wall of the stirring tank are water pumps. The output ends of the water pumps are fixedly installed with water delivery pipes. The end of the water delivery pipe far away from the water pump penetrates through the stirring tank and is fixedly installed with a rotatable connection pipe. fixedly installed inside the rotatable connection pipe is a water guide pipe, and fixedly installed inside the water guide pipe is a nozzle. An angle adjustment assembly is arranged inside the stirring tank.

[0008] Preferably, a motor is fixedly mounted on the top of the mixing box, a stirring shaft is fixedly mounted on the output end of the motor, the stirring shaft is rotatably connected to the mixing box, and a stirring rod is fixedly mounted on the outer surface of the stirring shaft and located inside the mixing box.

[0009] Preferably, partitions are symmetrically fixedly installed on the inner wall of the mixing box, and the mixing box is formed with an upper accommodating chamber and two lower accommodating chambers through the partitions. The upper accommodating chamber is located above the partition, and the two lower accommodating chambers are respectively located below the two partitions. Water holes are symmetrically opened on the top of the partition, and a lifting assembly and a sealing assembly are provided inside the mixing box.

[0010] Preferably, the lifting assembly includes a threaded rod, which is fixedly mounted on the end of the stirring shaft away from the motor, and the surface of the threaded rod is provided with a threaded section and a smooth section. The end of the threaded rod away from the stirring shaft is rotatably connected to the stirring box, and the smooth section of the threaded rod is sleeved with a lifting seat, and the inner wall of the lifting seat is provided with a thread compatible with the threaded rod, and an interference assembly is provided below the lifting seat.

[0011] Preferably, the sealing assembly includes two brackets, and the two brackets are symmetrically arranged. The two brackets are respectively fixedly installed at both ends of the lifting seat, and lifting plates are fixedly installed at both ends of the two brackets. A piston is fixedly installed at the bottom of the lifting plate, and the outer walls of the piston are respectively slidably connected to the inner walls of the water permeable hole.

[0012] Preferably, the resistance assembly includes a resistance plate, and a telescopic rod and an elastic member are symmetrically fixedly installed between the bottom of the resistance plate and the inner wall of the mixing box. The elastic members are respectively sleeved on the outer side of the telescopic rod, and the inner wall of the resistance plate is slidably connected to the smooth section of the threaded rod. The top of the resistance plate is in resistance to the bottom of the lifting seat.

[0013] Preferably, the angle adjustment assembly includes an extension block, two of which are symmetrically fixed on the outer wall of the lifting seat, a tooth plate is fixedly installed on the bottom of the extension block, the outer wall of the tooth plate is slidably connected to the inner wall of the mixing box, and a gear is fixedly installed on one end of the water pipe, and the teeth of the gear are engaged with the teeth of the tooth plate.

[0014] Preferably, the inner wall of the mixing box is plugged with an insert plate, the inner wall of the insert plate is symmetrically fixed with a filter screen, the outer wall of the mixing box is fixed with a positioning block, a pin is inserted between the positioning block and the inner wall of the insert plate, and the outer wall of the insert plate is fixed with a handle.

[0015] Preferably, a rectangular bevel groove is provided on the top of the partition, a plurality of strip grooves are provided on the inner wall of the rectangular bevel groove, the strip grooves are all connected to the water holes, and inclined blocks are symmetrically fixedly installed on the inner wall of the lower accommodating cavity.

[0016] Preferably, four guide wheels are fixedly installed on the outer wall of the mixing tank. A handrail frame is fixedly installed between the tops of two of the guide wheels. A chemical adding hopper is fixedly installed on the top of the mixing tank.

[0017] The beneficial effects of the present invention are as follows: 1. For the agricultural combined fertilizer applicator of the present invention, when the mixing tank moves, the two nozzles will pass by the two sides of the crops. After the liquid fertilizer is sprayed out through the nozzles, it will be directly sprayed onto the root positions of the crops, thereby solving the problem that when the existing equipment sprays liquid fertilizer, the liquid fertilizer is blocked by the crops and cannot be absorbed by the roots. This device can directly spray the liquid fertilizer onto the roots of the crops, and the roots of the crops are the main parts for nutrient absorption, so as to effectively improve the fertilization effect and ensure the growth and yield of the crops.

[0018] 2. For the agricultural combined fertilizer applicator of the present invention, during the mixing operation, the sealing assembly will block the water permeable holes on the partition plate, so that the liquid cannot flow into the lower accommodation cavity. During the mixing operation, the liquid will only exist inside the upper accommodation cavity, thereby ensuring that the concentrated liquid fertilizer and water are fully mixed.

[0019] 3. For the agricultural combined fertilizer applicator of the present invention, the fertilization angle of the nozzle can be adjusted by the upward movement of the lifting seat, so that the device can adjust the fertilization position according to different crops or different growth trends of the crops, increasing the flexibility of the device in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the drawings.

[0021] Figure 1 is the three-dimensional structure schematic diagram of the present invention; Figure 2 is the structural schematic diagram of the mixing tank of the present invention; Figure 3 is the sectional view of the mixing tank structure of the present invention; Figure 4 is another sectional view of the mixing tank structure of the present invention; Figure 5 is the structural schematic diagram of the water pump of the present invention; Figure 6 is the structural schematic diagram of the lifting seat of the present invention; Figure 7 is the structural schematic diagram of the bottom plate of the present invention; Figure 8 is the structural schematic diagram of the partition plate of the present invention; Figure 9 is the structural schematic diagram of the plug board of the present invention; Figure 10It is a structural sectional view of the lower accommodation cavity of the present invention; In the figure: 1, stirring tank; 2, water pump; 3, water delivery pipe; 4, rotating connection pipe; 5, water guide pipe; 6, nozzle; 7, motor; 8, stirring shaft; 9, stirring rod; 10, partition board; 11, water permeable hole; 12, threaded rod; 13, lifting seat; 14, bracket; 15, lifting plate; 16, piston; 17, abutting plate; 18, telescopic rod; 19, elastic member; 20, extension block; 21, toothed plate; 22, gear; 23, inserting plate; 24, filter screen; 25, positioning block; 26, pin shaft; 27, handle; 28, rectangular inclined groove; 29, strip-shaped groove; 30, inclined block; 31, guide wheel; 32, handrail frame; 33, medicine adding hopper. Specific embodiments

[0022] In order to make the technical means, creative features, achieved purposes and effects of the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0023] As Figures 1 to 5 shown, an agricultural combined fertilizer applicator according to an embodiment of the present invention includes a stirring tank 1. Water pumps 2 are symmetrically and fixedly installed at the bottom of the inner wall of the stirring tank 1. The output end of the water pump 2 is fixedly installed with a water delivery pipe 3. One end of the water delivery pipe 3 away from the water pump 2 penetrates through the stirring tank 1 and is fixedly installed with a rotating connection pipe 4. A water guide pipe 5 is fixedly installed on the inner wall of the rotating connection pipe 4. A nozzle 6 is fixedly installed on the inner wall of the water guide pipe 5. An angle adjustment assembly is arranged inside the stirring tank 1; The concentrated liquid fertilizer and water are added into the stirring tank 1 after being proportioned. After stirring, the liquid fertilizer and water are mixed evenly. After the fertilizer is mixed evenly, the fertilization work starts. When fertilizing, since the stirring tank 1 is in an inverted concave shape, when the stirring tank 1 passes through the planting field, the crops will pass through the gap in the middle of the bottom of the stirring tank 1, that is, the stirring tank 1 can move above the crops. When the stirring tank 1 passes above the crops, the water pump 2 is started to transport the liquid fertilizer in the stirring tank 1 to the rotating connection pipe 4 through the water delivery pipe 3. Then the liquid fertilizer will pass through the rotating connection pipe 4 and be transported into the water guide pipe 5 and finally sprayed out through the nozzle 6. The nozzles 6 are located on both sides of the middle gap at the bottom of the stirring tank 1. When the stirring tank 1 moves, the two nozzles 6 will pass by from both sides of the crops. After the liquid fertilizer is sprayed out through the nozzles 6, it will be directly sprayed onto the root positions of the crops, thereby solving the problem that when the existing equipment sprays liquid fertilizer, the liquid fertilizer is blocked by the crops and cannot be absorbed by the roots. This device can directly spray the liquid fertilizer on the roots of the crops. The roots of the crops are the main parts for nutrient absorption, and thus the fertilization effect can be effectively improved, and the growth and yield of the crops can be guaranteed. The angle of the nozzle 6 can be adjusted through the angle adjustment assembly, so that the fertilization position can be adjusted according to different crops or different growth conditions.

[0024] AsFigures 1 to 4 As shown in the figure, a motor 7 is fixedly installed at the top of the stirring tank 1. The output end of the motor 7 is fixedly installed with a stirring shaft 8. The stirring shaft 8 is rotationally connected to the stirring tank 1. A stirring rod 9 is fixedly installed on the outer surface of the stirring shaft 8 and inside the stirring tank 1. After adding concentrated liquid fertilizer and water in proportion into the stirring tank 1, start the motor 7. The motor 7 will drive the stirring shaft 8 to rotate. When the stirring shaft 8 rotates, it will drive the stirring rod 9 to rotate. When the stirring rod 9 rotates, it will stir the liquid in the stirring tank 1, so that the concentrated liquid fertilizer and water can be fully mixed to form a uniform solution, ensuring that all parts of the crops can obtain appropriate nutrients and avoiding nutrient surplus or deficiency caused by uneven fertilization.

[0025] As Figure 3 and Figure 8 shown, partition plates 10 are symmetrically and fixedly installed on the inner wall of the stirring tank 1. The stirring tank 1 forms an upper accommodation cavity and two lower accommodation cavities through the partition plates 10. The upper accommodation cavity is located above the partition plates 10, and the two lower accommodation cavities are respectively located below the two partition plates 10. Water permeable holes 11 are symmetrically opened at the top of the partition plates 10. A lifting component and a sealing component are arranged inside the stirring tank 1. The two partition plates 10 arranged inside the stirring tank 1 divide the internal space of the stirring tank 1 into three parts, including the upper accommodation cavity located above and the two lower accommodation cavities located below. Since the internal space of the lower accommodation cavity is small and located below the stirring rod 9, the stirring effect of the liquid in the lower accommodation cavity by the stirring rod 9 during rotation is poor. Therefore, during the stirring operation, the sealing component will block the water permeable holes 11 on the partition plates 10, so that the liquid cannot flow into the lower accommodation cavity. During the stirring operation, the liquid will only exist inside the upper accommodation cavity, thus ensuring the full mixing of the concentrated liquid fertilizer and water. When the mixing operation is completed, the lifting component will lift the sealing component, so that the water permeable holes 11 are opened, and the solution enters the lower accommodation cavity through the water permeable holes 11 for subsequent fertilization work.

[0026] As Figure 3 and Figure 6As shown, the lifting assembly includes a threaded rod 12, which is fixedly mounted on the end of the stirring shaft 8 away from the motor 7. The surface of the threaded rod 12 is provided with a threaded section and a smooth section. The end of the threaded rod 12 away from the stirring shaft 8 is rotatably connected to the stirring box 1, and the smooth section of the threaded rod 12 is sleeved with a lifting seat 13. The inner wall of the lifting seat 13 is provided with a thread that matches the threaded rod 12, and an interference assembly is provided below the lifting seat 13; when stirring, the motor 7 will drive the stirring shaft 8 to rotate forward, and the threaded rod 12 will rotate forward with the stirring shaft 8. At this time, since the threaded rod 12 rotates forward in the downward direction of the lifting seat 13 and the lifting seat 13 is located in the smooth section of the threaded rod 12, the position of the lifting seat 13 will remain unchanged, and will not be threadedly connected with the threaded section of the threaded rod 12, thereby not affecting When the water hole 11 needs to be closed, the motor 7 drives the threaded rod 12 to rotate forward, so that the lifting seat 13 can move downward, thereby allowing the sealing assembly to seal the water hole 11. After the water hole 11 is closed, the resistance assembly can squeeze the lifting seat 13 so that it keeps fit with the threaded section of the threaded rod 12, thereby ensuring that the lifting seat 13 can rise in time and effectively when the threaded rod 12 is reversed. The lifting seat 13 is made of ceramic material with good wear resistance.

[0027] like Figures 3 to 4 and Figure 6 As shown, the sealing assembly includes a bracket 14, and there are two brackets 14 in number and they are symmetrically arranged. The two brackets 14 are respectively fixedly mounted on the two ends of the lifting seat 13, and a lifting plate 15 is fixedly mounted on both ends of the two brackets 14. A piston 16 is fixedly mounted on the bottom of the lifting plate 15, and the outer walls of the piston 16 are respectively slidably connected with the inner walls of the water permeable hole 11; when the lifting seat 13 rises, it will drive the bracket 14 to rise, and when the bracket 14 rises, it will drive the lifting plate 15 to rise, and when the lifting plate 15 rises, it will drive the piston 16 at its bottom to rise. After the piston 16 rises, it will move out from the inner side of the water permeable hole 11. At this time, the water permeable hole 11 is in an open state. On the contrary, when the lifting seat 13 descends, the piston 16 will be inserted into the inside of the water permeable hole 11 to seal it. At this time, the water permeable hole 11 is in a closed state, thereby achieving the effect of controlling the switch of the water permeable hole 11.

[0028] like Figures 6 to 7As shown, the friction assembly includes a friction plate 17, and a telescopic rod 18 and an elastic member 19 are symmetrically fixedly installed between the bottom of the friction plate 17 and the inner wall of the mixing box 1. The elastic members 19 are respectively sleeved on the outer side of the telescopic rod 18, and the inner wall of the friction plate 17 is slidably connected to the smooth section of the threaded rod 12, and the top of the friction plate 17 conflicts with the bottom of the lifting seat 13; when the lifting seat 13 moves down, it will squeeze the friction plate 17, and the friction plate 17 will also move down after being squeezed by the lifting seat 13. After the friction plate 17 moves down, the elastic member 19 will be squeezed and in a contracted state. When the lifting seat 13 moves down to the smooth section of the threaded rod 12, it stops moving. At this time, due to the compression of the elastic member 19, it will give the friction plate 17 a reverse elastic force. The friction plate 17 will squeeze the lifting seat 13 under the action of the reverse elastic force, so that the lifting seat 13 fits the threaded section of the threaded rod 12, thereby ensuring that the lifting seat 13 can be connected to the threaded section of the threaded rod 12 when the threaded rod 12 is reversed.

[0029] like Figures 3 to 6 As shown, the angle adjustment assembly includes an extension block 20, the number of which is two and which are symmetrically fixed to the outer wall of the lifting seat 13, a tooth plate 21 is fixedly installed at the bottom of the extension block 20, the outer wall of the tooth plate 21 is slidably connected to the inner wall of the mixing box 1, and a gear 22 is fixedly installed at one end of the water pipe 5, the teeth of the gear 22 are engaged with the teeth of the tooth plate 21; when the lifting seat 13 moves upward, it will drive the extension block 20 to move upward, and when the extension block 20 moves upward, it will drive the tooth plate 21 to move upward. Since the tooth plate 21 is engaged with the gear 22, when the tooth plate 21 moves upward, It will drive the gear 22 to rotate, and when the gear 22 rotates, it will drive the sprinkler head 6 to rotate through the water pipe 5. Since the water hole 11 needs to be opened before fertilizing when the lifting seat 13 moves up, the sprinkler head 6 is in an invalid spraying direction before the water hole 11 opens. When the water hole 11 is opened, the sprinkler head 6 is at the maximum fertilizing angle. Then, as the lifting seat 13 continues to move up, the fertilizing angle of the sprinkler head 6 gradually becomes smaller, so that the device can adjust the fertilizing position according to different crops or different growth conditions of crops, thereby increasing the flexibility of the device.

[0030] like Figures 1 to 3 and Figures 9 to 10As shown in the figure, a plug board 23 is inserted into the inner wall of the stirring box 1. Filter nets 24 are symmetrically and fixedly installed on the inner wall of the plug board 23. A positioning block 25 is fixedly installed on the outer wall of the stirring box 1. A pin shaft 26 is inserted between the positioning block 25 and the inner wall of the plug board 23. A handle 27 is fixedly installed on the outer wall of the plug board 23. The two filter nets 24 are respectively inserted into the two lower accommodating cavities through the plug board 23. When the solution enters the lower accommodating cavity through the water permeable holes 11 for fertilization work, it needs to pass through the filter nets 24 for filtration first to prevent impurities in the water taken during field operations from clogging the pipeline. When the device finishes the fertilization work, the pin shaft 26 is pulled out to release the fixation of the plug board 23, and then the plug board 23 together with the filter nets 24 is pulled out of the stirring box 1 through the handle 27, which is convenient for cleaning the filter nets 24.

[0031] As Figure 8 and Figure 10 shown in the figure, a rectangular inclined groove 28 is opened at the top of the partition plate 10. A plurality of strip-shaped grooves 29 are opened on the inner wall of the rectangular inclined groove 28. The strip-shaped grooves 29 are all communicated with the water permeable holes 11. Inclined blocks 30 are symmetrically and fixedly installed on the inner wall of the lower accommodating cavity. When the solution enters the lower accommodating cavity through the water permeable holes 11, the arranged rectangular inclined groove 28 and strip-shaped grooves 29 facilitate the aggregation of the solution towards the position of the water permeable holes 11, and then facilitate the solution to enter the lower accommodating cavity. Since the bottom area of the lower accommodating cavity is small and the inclined blocks 30 are arranged on the inner wall of the lower accommodating cavity, when the solution in the stirring box 1 is less, the solution can be better aggregated towards the air pump 2, which is convenient for fertilization work and prevents the solution in the stirring box 1 from being less, and the water pump will mix more air when pumping the liquid, resulting in less fertilization amount for some crops and affecting the growth of crops.

[0032] As Figures 1 to 2 shown in the figure, four guide wheels 31 are fixedly installed on the outer wall of the stirring box 1. A handrail frame 32 is fixedly installed between the tops of two of the guide wheels 31. A medicine adding hopper 33 is fixedly installed on the top of the stirring box 1. By pushing the handrail frame 32, the guide wheels 31 are rotated, which is convenient for the movement of the device. The medicine adding hopper 33 on the top of the stirring box 1 is used to add fertilizers and water into the stirring box 1.

[0033] Working principle: The concentrated liquid fertilizer and water are proportioned and then added into the mixing tank 1. After stirring, the liquid fertilizer and water are evenly mixed. After the fertilizer is evenly mixed, the fertilization work begins. When fertilizing, the mixing tank 1 passes through the planting field, and the crops will pass through the gap in the middle of the bottom of the mixing tank 1, that is, the mixing tank 1 can move above the crops. When the mixing tank 1 passes above the crops, the water pump 2 is started to transport the liquid fertilizer in the mixing tank 1 to the rotating connecting pipe 4 through the water delivery pipe 3. Then the liquid fertilizer will pass through the rotating connecting pipe 4 and be transported into the water guide pipe 5 and finally sprayed out through the nozzle 6. The nozzles 6 are located on both sides of the gap in the middle of the bottom of the mixing tank 1. When the mixing tank 1 moves, the two nozzles 6 will pass by the two sides of the crops. After the liquid fertilizer is sprayed out through the nozzles 6, it will be directly sprayed onto the root positions of the crops, thus solving the problem that when the existing equipment sprays liquid fertilizer, the liquid fertilizer is blocked by the crops and cannot be absorbed by the roots. This device can directly spray the liquid fertilizer onto the roots of the crops, and the roots of the crops are the main parts for nutrient absorption, so as to effectively improve the fertilization effect and ensure the growth and yield of the crops.

[0034] After the concentrated liquid fertilizer and water are proportioned and added into the mixing tank 1, the motor 7 is started. The motor 7 will drive the stirring shaft 8 to rotate. When the stirring shaft 8 rotates, it will drive the stirring rod 9 to rotate. When the stirring rod 9 rotates, it will stir the liquid in the mixing tank 1, so that the concentrated liquid fertilizer and water can be fully mixed to form a uniform solution, ensuring that each part of the crops can obtain an appropriate amount of nutrients and avoiding nutrient surplus or deficiency caused by uneven fertilization. The two partition plates 10 arranged inside the mixing tank 1 divide the space inside the mixing tank 1 into three parts, including the upper accommodation cavity located above and the two lower accommodation cavities located below. Since the internal space of the lower accommodation cavity is small and located below the stirring rod 9, the stirring effect of the stirring rod 9 on the liquid in the lower accommodation cavity is poor. Therefore, during the stirring work, the sealing component will block the water permeable holes 11 on the partition plate 10 to prevent the liquid from flowing into the lower accommodation cavity. During the stirring work, the liquid will only exist inside the upper accommodation cavity, so as to ensure the full mixing of the concentrated liquid fertilizer and water. When the mixing work is completed, the lifting component will lift the sealing component, so that the water permeable holes 11 are opened, and the solution enters the lower accommodation cavity through the water permeable holes 11 for subsequent fertilization work.

[0035] When stirring, the motor 7 drives the stirring shaft 8 to rotate forward, and the threaded rod 12 rotates forward along with the stirring shaft 8. At this time, since the threaded rod 12 rotates forward in the direction of the lifting seat 13 moving downward and the lifting seat 13 is located in the smooth section of the threaded rod 12, the position of the lifting seat 13 remains unchanged and will not be threadedly connected with the threaded section of the threaded rod 12, thereby not affecting the normal stirring operation. When the water permeable hole 11 needs to be opened, the motor 7 will reverse to reverse the threaded rod 12. When the threaded rod 12 reverses, the lifting seat 13 will be threadedly connected with the threaded section of the threaded rod 12, so that the lifting seat 13 rises. When the lifting seat 13 rises, it will drive the sealing component to rise, thereby opening the water hole 11. When the water hole 11 needs to be closed, the motor 7 drives the threaded rod 12 to rotate forward, so that the lifting seat 13 can move down, so that the sealing component can seal the water hole 11. After the water hole 11 is closed, the resistance component will squeeze the lifting seat 13 to keep it in contact with the threaded section of the threaded rod 12, thereby ensuring that the lifting seat 13 can close when the threaded rod 12 is reversed. When the lifting seat 13 rises, it will drive the bracket 14 to rise with it. When the bracket 14 rises, it will drive the lifting plate 15 to rise. When the lifting plate 15 rises, it will drive the piston 16 at its bottom to rise. After the piston 16 rises, it will move out from the inside of the water hole 11. At this time, the water hole 11 is in an open state. On the contrary, when the lifting seat 13 falls, the piston 16 will be inserted into the inside of the water hole 11 to block it. At this time, the water hole 11 is in a closed state, thereby achieving the effect of controlling the switch of the water hole 11. When the lifting seat 13 moves downward, it will squeeze the support plate 17, and the support plate 17 will also move downward after being squeezed by the lifting seat 13. After the support plate 17 moves downward, the elastic member 19 will be squeezed and in a contracted state. When the lifting seat 13 moves down to the smooth section of the threaded rod 12, it stops moving. At this time, the elastic member 19 is compressed and will give the support plate 17 a reverse elastic force. The support plate 17 will squeeze the lifting seat 13 under the action of the reverse elastic force, so that the lifting seat 13 fits the threaded section of the threaded rod 12, thereby ensuring that the lifting seat 13 can be connected with the threaded section of the threaded rod 12 when the threaded rod 12 is reversed.

[0036] When the lifting seat 13 moves upward, it will drive the extension block 20 to move upward accordingly. When the extension block 20 moves upward, it will drive the toothed plate 21 to move upward. Since the toothed plate 21 meshes with the gear 22, the gear 22 will be driven to rotate when the toothed plate 21 moves upward. When the gear 22 rotates, it will drive the nozzle 6 to rotate through the water conduit 5. Since the water permeable holes 11 need to be opened first before fertilization work can be carried out when the lifting seat 13 moves upward, the nozzle 6 is in an ineffective spraying direction before it starts to rotate until the water permeable holes 11 are opened. When the water permeable holes 11 are opened, the nozzle 6 is at the maximum fertilization angle. After that, as the lifting seat 13 continues to move upward, the fertilization angle of the nozzle 6 gradually decreases, so that the device can adjust the fertilization position according to different crops or different growth conditions of the crops, increasing the flexibility of the device. The two filter meshes 24 are respectively inserted into the two lower accommodation cavities through the insertion plates 23. When the solution enters the lower accommodation cavity through the water permeable holes 11 for fertilization work, it needs to pass through the filter meshes 24 for filtration to prevent impurities in the water taken during field operations from causing pipeline blockage. When the device finishes the fertilization work, the pin shaft 26 is pulled out to release the fixation of the insertion plate 23, and then the insertion plate 23 together with the filter meshes 24 is pulled out from the mixing tank 1 through the handle 27, which is convenient for cleaning the filter meshes 24. When the solution enters the lower accommodation cavity through the water permeable holes 11, the provided rectangular inclined grooves 28 and strip-shaped grooves 29 facilitate the aggregation of the solution towards the position of the water permeable holes 11, and thus facilitate the solution to enter the lower accommodation cavity. Since the bottom area of the lower accommodation cavity is small and the inner wall of the lower accommodation cavity is provided with inclined blocks 30, when the solution in the mixing tank 1 is less, the solution can gather better towards the air pump 2, which is convenient for fertilization work and prevents the situation that when the solution in the mixing tank 1 is less, the water pump will draw in more air when pumping the liquid, resulting in less fertilization amount for some crops and affecting the growth of the crops.

[0037] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An agricultural combined fertilizer applicator, comprising a mixing tank, characterized in that: A water pump is symmetrically fixedly installed on the bottom of the inner wall of the mixing box, a water pipe is fixedly installed on the output end of the water pump, an end of the water pipe away from the water pump passes through the mixing box and is fixedly installed with a rotating connecting pipe, a water guide pipe is fixedly installed on the inner wall of the rotating connecting pipe, a nozzle is fixedly installed on the inner wall of the water guide pipe, and an angle adjustment component is provided on the inner side of the mixing box.

2. The agricultural combined fertilizer applicator according to claim 1, wherein: A motor is fixedly installed on the top of the stirring box, a stirring shaft is fixedly installed on the output end of the motor, the stirring shaft is rotatably connected to the stirring box, and a stirring rod is fixedly installed on the outer surface of the stirring shaft and located inside the stirring box.

3. The agricultural combined fertilizer applicator according to claim 2, characterized in that: The inner wall of the mixing box is symmetrically fixed with partitions, and the mixing box is formed with an upper accommodating chamber and two lower accommodating chambers through the partitions. The top of the partitions is symmetrically provided with water holes, and the interior of the mixing box is provided with a lifting assembly and a sealing assembly.

4. The agricultural combined fertilizer applicator according to claim 3, characterized in that: The lifting assembly includes a threaded rod, which is fixedly mounted on the end of the stirring shaft away from the motor. The surface of the threaded rod is provided with a threaded section and a smooth section. The end of the threaded rod away from the stirring shaft is rotatably connected to the stirring box. The smooth section of the threaded rod is sleeved with a lifting seat. The inner wall of the lifting seat is provided with a thread compatible with the threaded rod. An interference assembly is provided below the lifting seat.

5. The agricultural combined fertilizer applicator according to claim 4, characterized in that: The sealing assembly includes two brackets, which are symmetrically arranged. The two brackets are respectively fixedly installed at both ends of the lifting seat. Lifting plates are fixedly installed at both ends of the two brackets. A piston is fixedly installed at the bottom of the lifting plate. The outer walls of the pistons are respectively slidably connected to the inner walls of the water permeable holes.

6. The agricultural combined fertilizer applicator according to claim 5, characterized in that: The resistance assembly includes a resistance plate, and a telescopic rod and an elastic member are symmetrically fixedly installed between the bottom of the resistance plate and the inner wall of the mixing box. The elastic members are respectively sleeved on the outer side of the telescopic rod. The inner wall of the resistance plate is slidably connected to the smooth section of the threaded rod, and the top of the resistance plate is in resistance to the bottom of the lifting seat.

7. The agricultural combined fertilizer applicator according to claim 6, characterized in that: The angle adjustment assembly includes two extension blocks, which are symmetrically fixed on the outer wall of the lifting seat. A tooth plate is fixedly installed on the bottom of the extension block. The outer wall of the tooth plate is slidably connected to the inner wall of the mixing box. A gear is fixedly installed on one end of the water pipe, and the teeth of the gear are engaged with the teeth of the tooth plate.

8. The agricultural combined fertilizer applicator according to claim 7, characterized in that: The inner wall of the mixing box is plugged with an insert plate, the inner wall of the insert plate is symmetrically fixed with a filter screen, the outer wall of the mixing box is fixed with a positioning block, a pin is inserted between the positioning block and the inner wall of the insert plate, and the outer wall of the insert plate is fixed with a handle.

9. The agricultural combined fertilizer applicator according to claim 8, characterized in that: A rectangular oblique groove is provided on the top of the partition, and a plurality of strip grooves are provided on the inner wall of the rectangular oblique groove. The strip grooves are all connected with the water-permeable holes, and oblique blocks are symmetrically fixedly installed on the inner wall of the lower accommodating cavity.

10. The agricultural combined fertilizer applicator according to claim 9, characterized in that: Four guide wheels are fixedly installed on the outer wall of the mixing box, wherein an armrest is fixedly installed between the tops of two of the guide wheels, and a dosing hopper is fixedly installed on the top of the mixing box.

Images