CN114223369A - Fertilizer spraying device convenient to adjust concentration and direction - Google Patents
Fertilizer spraying device convenient to adjust concentration and direction Download PDFInfo
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- CN114223369A CN114223369A CN202111587709.2A CN202111587709A CN114223369A CN 114223369 A CN114223369 A CN 114223369A CN 202111587709 A CN202111587709 A CN 202111587709A CN 114223369 A CN114223369 A CN 114223369A
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- pipe
- fertilizer
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention relates to the technical field of fertilizer spraying, in particular to a fertilizer spraying device convenient for adjusting concentration and direction, which comprises a supporting plate, wherein a first cylindrical box is fixed above the supporting plate, a second cylindrical box is distributed above the first cylindrical box in parallel, a plurality of uniformly distributed branch water pipes are fixedly connected between the first cylindrical box and the second cylindrical box, one side of the first cylindrical box is communicated with a main fertilizer pipe, and the other side of the first cylindrical box is connected with a plurality of uniformly distributed pipe assemblies.
Description
Technical Field
The invention relates to the technical field of fertilizer spraying, in particular to a fertilizer spraying device convenient for adjusting concentration and direction.
Background
Fertilizer among the prior art sprinkles work, through the regular fertilizer that sprays in to the field, growth for crops provides important nutrient substance, how to carry out spraying of fertilizer, dynamics and the area of falling to the ground that sprays fertilizer control, carry out scientific crops and cultivate, be favorable to the high yield of crops more, for this we provide one kind and be convenient for the fertilizer of adjustment concentration and direction and sprinkle the device, control the spraying work of fertilizer, ensure that more accurate the falling of fertilizer in the field of appointed scope, the supply of control fertilizer dynamics, realize scientific planting.
Disclosure of Invention
The present invention is directed to a fertilizer spraying apparatus that facilitates adjustment of concentration and direction to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fertilizer spraying device convenient to adjust concentration and direction, includes the layer board, the layer board top is fixed with first cylinder box, and first cylinder box top parallel distribution has second cylinder box, a plurality of evenly distributed's of fixedly connected with water pipe between first cylinder box and the second cylinder box, one side intercommunication of first cylinder box has main fertile pipe, and the opposite side of first cylinder box is connected with a plurality of evenly distributed's pipe assembly, one side intercommunication of second cylinder box has main water pipe, be provided with controlling means in the first cylinder box, be fixed with elevating gear on the layer board of pipe assembly one side, elevating gear and tube assembly connection.
Preferably, elevating gear includes restriction subassembly, spreader, back shaft and reference column, two reference columns of fixedly connected with on the layer board, fixedly connected with back shaft between two reference columns, one side fixedly connected with spreader of reference column, one side of spreader is connected with a plurality of evenly distributed's restriction subassembly, restriction subassembly and tube assembly connection.
Preferably, the pipe assembly includes sector plate, J type pipe and a fertile pipe, a fertile pipe shape is L type pipe one end body coupling arc pipe, and J type pipe shape is straight tube one end body coupling arc pipe, and the arc pipe one end of a fertile pipe extends to the arc pipe inner chamber of J type pipe, and arc pipe one side fixedly connected with sector plate of J type pipe, the L type pipe other end of a fertile pipe extends to in the first cylinder box.
Preferably, controlling means is including the seat that looses, control cap, inner panel and lid door, the seat that looses of collection is the halfcylinder, and one side of cylinder sets up a plurality of evenly distributed's recess, the recess middle part that the seat that looses of collection is fixed with the inner panel, the recess that will gather the seat that looses cuts off into two right angle column chambeies, the one end of a water pipe extends to in a right angle column chamber, a fertilizer pipe one end extends to in another right angle column chamber, be provided with the lid door in the seat inner chamber that looses of collection that a fertilizer pipe located, the square hole has been seted up on the seat casing that looses of lid door one side, set up the round hole on the inner panel, and run through in the round hole and have the control cap.
Preferably, the control cap is in a shape that the bottom surface end on one side of the cylinder is integrally connected with the disc body, the control cap cylinder on one side of the disc body is annularly provided with a plurality of uniformly distributed through holes, and the other bottom surface end of the control cap cylinder is in an eversion shape.
Preferably, the lid door includes the side otic placode, gives and presses seat, location axle and the control body, the control body shape is drum one side body coupling square plate, and the square hole on the seat is scattered in the square plate shutoff of the control body, and the drum middle part activity of the control body has cup jointed the location axle, and the equal fixedly connected with side otic placode in both ends of location axle, side otic placode are fixed on the seat is scattered in the collection, and the right angle groove is seted up to drum one side of the control body, is provided with in the right angle groove of the control body and gives and presses the seat.
Preferably, the pressure supply seat comprises an interception column, a guide column, a spring and a pressure block, two ends of the interception column are fixed on the side ear plates, the interception column is provided with a through hole, the guide column is movably sleeved in the through hole, one end of the guide column is fixedly connected with the pressure block, the pressure block abuts against the control body, the guide column is sleeved with the spring, and the spring is cushioned between the interception column and the pressure block.
Preferably, the limiting assembly comprises a first intercepting ring, a control cylinder and a worm, the control cylinder is in the shape of a cylinder, a plurality of uniformly distributed protruding teeth are fixedly connected to one side of the cylinder, the worm is in meshing transmission connection with one side of the control cylinder, the control cylinder is movably sleeved on the supporting shaft, a straight rod part on the worm penetrates through a through hole formed in the cross column, the first intercepting ring is fixedly sleeved on the supporting shaft on two sides of the control cylinder, and the second intercepting ring is fixedly sleeved on the worm rod body on two sides of the cross column.
Compared with the prior art, the invention has the beneficial effects that:
1. the structural design of the invention realizes the concentration effect of the high-absorption fertilizer regulation by injecting water in the fertilizer spraying process, and changes the outward spraying angle of the fertilizer by rotating the regulation limiting assembly, so that the fertilizer spraying area can be regulated according to the actual planting requirement;
2. the invention realizes the directional guide of fertilizer and water through the design of the control device, and a series of exquisite control parts are arranged in the control device, thereby realizing the self flow control and distribution capability and having stable and strong functions.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a tube assembly configuration;
FIG. 3 is a schematic structural diagram of a control device;
FIG. 4 is a schematic view of a cover door structure;
FIG. 5 is a schematic view of a hub;
fig. 6 is a schematic structural diagram of a in fig. 1.
In the figure: the fertilizer distributor comprises a supporting plate 1, a first cylindrical box 2, a second cylindrical box 3, a branch water pipe 4, a main fertilizer pipe 5, a pipe assembly 6, a main water pipe 7, a control device 8, a lifting device 9, a limiting assembly 10, a cross column 11, a supporting shaft 12, a positioning column 13, a sector plate 14, a J-shaped pipe 15, a branch fertilizer pipe 16, a collecting and distributing seat 17, a control cap 18, an inner plate 19, a cover door 20, a side lug plate 21, a pressure feeding seat 22, a positioning shaft 23, a control body 24, a blocking column 25, a guide column 26, a spring 27, a pressure block 28, a first blocking ring 29, a control cylinder 30, a worm 31 and a second blocking ring 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a fertilizer spraying device convenient for adjusting concentration and direction comprises a supporting plate 1, a first cylindrical box 2 is fixed above the supporting plate 1, a second cylindrical box 3 is distributed above the first cylindrical box 2 in parallel, a plurality of branch water pipes 4 which are uniformly distributed are fixedly connected between the first cylindrical box 2 and the second cylindrical box 3, one side of the first cylindrical box 2 is communicated with a main fertilizer pipe 5, the other side of the first cylindrical box 2 is connected with a plurality of pipe assemblies 6 which are uniformly distributed, one side of the second cylindrical box 3 is communicated with a main water pipe 7, a control device 8 is arranged in the first cylindrical box 2, a lifting device 9 is fixed on the supporting plate 1 at one side of the pipe assemblies 6, the lifting device 9 is connected with the pipe assemblies 6, the whole fertilizer spraying device is arranged at the position of the tail of a vehicle as can be understood by referring to a figure 2, a fertilizer storage and supply device is arranged on the vehicle, one end of the main water pipe 7 is connected with a water supply mechanism, the main fertilizer pipe 5 is connected with a fertilizer supply device, the fertilizer discharging port of the J-shaped pipe 15 is connected with a spray head in the prior art, and the fertilizer spraying device has the functions of stable fertilizer flow guiding and diluting.
The pipe component 6 comprises a fan-shaped plate 14, a J-shaped pipe 15 and a branch fertilizer pipe 16, wherein the branch fertilizer pipe 16 is in the shape of an L-shaped pipe one end integrally connected with an arc-shaped pipe, the J-shaped pipe 15 is in the shape of a straight pipe one end integrally connected with the arc-shaped pipe, one end of the arc-shaped pipe of the branch fertilizer pipe 16 extends into the inner cavity of the arc-shaped pipe of the J-shaped pipe 15, one side of the arc-shaped pipe of the J-shaped pipe 15 is fixedly connected with the fan-shaped plate 14, and the other end of the L-shaped pipe of the branch fertilizer pipe 16 extends into the first cylindrical box 2.
The control device 8 comprises a collecting and dispersing seat 17, a control cap 18, an inner plate 19 and a cover door 20, wherein the collecting and dispersing seat 17 is in a semi-cylindrical shape, a plurality of uniformly distributed grooves are formed in one side of a cylinder, the inner plate 19 is fixed in the middle of each groove of the collecting and dispersing seat 17 and divides each groove of the collecting and dispersing seat 17 into two right-angled cylindrical cavities, one end of a branch water pipe 4 extends into one right-angled cylindrical cavity, one end of a branch fertilizer pipe 16 extends into the other right-angled cylindrical cavity, the cover door 20 is arranged in the inner cavity of the collecting and dispersing seat 17 where the branch fertilizer pipe 16 is located, a square hole is formed in the shell of the collecting and dispersing seat 17 on one side of the cover door 20, a round hole is formed in the inner plate 19, the control cap 18 penetrates through the round hole, the position relation of each part is understood by referring to figure 3, the control device 8 occupies a common space in the first cylindrical box 2, the main fertilizer pipe 5 extends into the other half space in the first cylindrical box 2, and the cover door 20 is blocked at one side of the square hole, during fertilizer in the main fertile pipe 5 pours into first cylinder box 2 into, the diffusion is opened in first cylinder box 2 afterwards, and fertilizer is through jack-up lid door 20, and then through the square hole, discharges away through a fertile pipe 16 afterwards, and every 16 next sides of a fertile pipe correspond and set up a water pipe 4, and drainage in the water pipe 4, water pour into a fertile pipe 16 into through control cap 18, realize the dilution effect of fertilizer, adjust the concentration of fertilizer.
The control cap 18 is in a shape that the bottom surface end at one side of the cylinder is integrally connected with the disc body, a plurality of through holes which are uniformly distributed are annularly arranged on the cylinder of the control cap 18 at one side of the disc body, and the other bottom surface end of the cylinder of the control cap 18 is in an eversion shape.
The pressure supply seat 22 comprises an interception column 25, a guide column 26, a spring 27 and a pressure block 28, two ends of the interception column 25 are fixed on the side ear plates 21, a through hole is formed in the interception column 25, the guide column 26 is movably sleeved in the through hole, the pressure block 28 is fixedly connected to one end of the guide column 26, the pressure block 28 abuts against the control body 24, the spring 27 is sleeved on the guide column 26, and the spring 27 is cushioned between the interception column 25 and the pressure block 28.
The limiting assembly 10 comprises a first intercepting ring 29, a control cylinder 30 and a worm 31, wherein the control cylinder 30 is in the shape of a cylinder, a plurality of protruding teeth which are uniformly distributed are fixedly connected to one side of the cylinder, the worm 31 is connected to one side of the control cylinder 30 in a meshing transmission mode, the control cylinder 30 is movably sleeved on the supporting shaft 12, a straight rod portion on the worm 31 penetrates through a through hole formed in the cross column 11, the first intercepting ring 29 is fixedly sleeved on the supporting shaft 12 on two sides of the control cylinder 30, and a second intercepting ring 32 is fixedly sleeved on a rod body of the worm 31 on two sides of the cross column 11.
Fertilizer is injected into the first cylindrical box 2 through the main fertilizer pipe 5, and then is diffused into a plurality of cavities through square holes on the collecting and scattering seat 17, and then is injected into the J-shaped pipe 15 through the branch fertilizer pipe 16, and then is discharged outside, the adjustment of the elevation angle can be realized through the matching design of the J-shaped pipe 15 and the branch fertilizer pipe 16, namely, the control cylinder 30 is controlled to rotate through rotating the worm 31, the control cylinder 30 drives the sector plate 14, and then the elevation angle of the J-shaped pipe 15 is changed, so that the fertilizer angle sprayed out is changed, the control device 8 has the design principle that the fertilizer jacking control body 24 rotates, the control body 24 rotates, after the fertilizer passes through the square holes of the collecting and scattering seat 17, the control body 24 timely rotates to plug the square holes of the collecting and scattering seat 17 under the elastic pushing of the spring 27, so that the water injected into the scattering seat 17 in the branch water pipe 4 is discharged through the branch fertilizer pipe 16, the mixing of the fertilizer and the water is realized, the water flow jacks up the control cap 18, then, the fertilizer is injected into a cavity where the fertilizer supporting pipe 16 is contracted through a through hole annularly arranged on the control cap 18, if water flow tends to flow back, the control cap 18 is driven, a disc body on the control cap 18 moves to plug a round hole on the inner plate 19, so that fertilizer is prevented from entering the fertilizer supporting pipe 4, after the work is finished, the fertilizer supporting pipe 16 and the J-shaped pipe 15 are cleaned if needed, the main fertilizer pipe 5 supports the injection into the first cylindrical box 2, and the water supporting pipe 4 continuously injects water into the first cylindrical box 2, so that only water flow is discharged outside through the fertilizer supporting pipe 16, and part devices on the path are cleaned in a flowing water manner.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a fertilizer spraying device convenient to adjust concentration and direction, includes layer board (1), its characterized in that: the utility model discloses a fertilizer spraying machine, including layer board (1), layer board (1) top is fixed with first cylinder box (2), and parallel distribution has second cylinder box (3) first cylinder box (2) top, fixedly connected with a plurality of evenly distributed's between first cylinder box (2) and second cylinder box (3) a water pipe (4), one side intercommunication of first cylinder box (2) has main fertile pipe (5), and the opposite side of first cylinder box (2) is connected with a plurality of evenly distributed's pipe assembly (6), one side intercommunication of second cylinder box (3) has main water pipe (7), be provided with controlling means (8) in first cylinder box (2), be fixed with elevating gear (9) on layer board (1) of pipe assembly (6) one side, elevating gear (9) and pipe assembly (6) are connected.
2. A fertilizer spraying apparatus facilitating concentration and direction adjustment according to claim 1, wherein: elevating gear (9) are including restriction subassembly (10), spreader (11), back shaft (12) and reference column (13), two reference columns (13) of fixedly connected with on layer board (1), fixedly connected with back shaft (12) between two reference columns (13), one side fixedly connected with spreader (11) of reference column (13), one side of spreader (11) is connected with a plurality of evenly distributed's restriction subassembly (10), and restriction subassembly (10) and pipe assembly (6) are connected.
3. A fertilizer spraying apparatus facilitating concentration and direction adjustment according to claim 1, wherein: the pipe component (6) comprises a sector plate (14), a J-shaped pipe (15) and a fertilizer pipe (16), wherein the fertilizer pipe (16) is in the shape of an L-shaped pipe one end integrally connected with an arc pipe, the J-shaped pipe (15) is in the shape of a straight pipe one end integrally connected with the arc pipe, one end of the arc pipe of the fertilizer pipe (16) extends into an inner cavity of the arc pipe of the J-shaped pipe (15), one side of the arc pipe of the J-shaped pipe (15) is fixedly connected with the sector plate (14), and the other end of the L-shaped pipe of the fertilizer pipe (16) extends into the first cylindrical box (2).
4. A fertilizer spraying apparatus facilitating concentration and direction adjustment according to claim 1, wherein: the control device (8) comprises a collecting and scattering seat (17), a control cap (18), an inner plate (19) and a cover door (20), wherein the collecting and scattering seat (17) is semi-cylindrical, a plurality of uniformly distributed grooves are formed in one side of a cylinder, the inner plate (19) is fixed in the middle of each groove of the collecting and scattering seat (17), each groove of the collecting and scattering seat (17) is separated into two right-angled cylindrical cavities, one end of each branch water pipe (4) extends into one right-angled cylindrical cavity, one end of each branch fertilizer pipe (16) extends into the other right-angled cylindrical cavity, the cover door (20) is arranged in the inner cavity of the collecting and scattering seat (17) where the branch fertilizer pipes (16) are located, a square hole is formed in the shell of the collecting and scattering seat (17) on one side of the cover door (20), a round hole is formed in the inner plate (19), and the control cap (18) penetrates through the round hole.
5. A fertilizer spraying apparatus facilitating concentration and direction adjustment according to claim 4, wherein: the control cap (18) is in a shape that the bottom surface end on one side of the cylinder is integrally connected with the disc body, a plurality of through holes which are uniformly distributed are annularly arranged on the cylinder of the control cap (18) on one side of the disc body, and the other bottom surface end of the cylinder of the control cap (18) is in an eversion shape.
6. A fertilizer spraying apparatus facilitating concentration and direction adjustment according to claim 4, wherein: lid door (20) include side otic placode (21), give and press seat (22), location axle (23) and control body (24), control body (24) shape is drum one side body coupling square plate, and the square hole on the seat (17) is scattered in the square plate shutoff collection of control body (24), and location axle (23) have been cup jointed in the activity of the drum middle part of control body (24), and the equal fixedly connected with side otic placode (21) in both ends of location axle (23), and side otic placode (21) are fixed on the seat (17) are scattered in the collection, and the right angle groove is seted up to drum one side of control body (24), is provided with in the right angle groove of control body (24) and gives and presses seat (22).
7. A fertilizer spraying apparatus facilitating concentration and direction adjustment according to claim 6, wherein: give and press seat (22) including blocking post (25), guide post (26), spring (27) and pressure piece (28), block post (25) both ends and fix on side otic placode (21), block and set up the through-hole on post (25), and the activity has cup jointed guide post (26) in the through-hole, the one end fixedly connected with pressure piece (28) of guide post (26), pressure piece (28) top is on control body (24), the cover has spring (27) on guide post (26), spring (27) pad is blocking between post (25) and pressure piece (28).
8. A fertilizer spraying apparatus facilitating concentration and direction adjustment according to claim 2, wherein: the limiting assembly (10) comprises a first intercepting ring (29), a control cylinder (30) and a worm (31), the shape of the control cylinder (30) is a plurality of uniformly distributed protruding teeth fixedly connected to one side of a cylinder, the worm (31) is meshed with one side of the control cylinder (30) in a transmission mode, the control cylinder (30) is movably sleeved on the supporting shaft (12), a straight rod portion on the worm (31) penetrates through a through hole formed in the cross column (11), the first intercepting ring (29) is fixedly sleeved on the supporting shaft (12) on two sides of the control cylinder (30), and a second intercepting ring (32) is fixedly sleeved on a rod body of the worm (31) on two sides of the cross column (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111587709.2A CN114223369B (en) | 2021-12-23 | 2021-12-23 | Fertilizer spraying device convenient to adjust concentration and direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111587709.2A CN114223369B (en) | 2021-12-23 | 2021-12-23 | Fertilizer spraying device convenient to adjust concentration and direction |
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| Publication Number | Publication Date |
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| CN114223369A true CN114223369A (en) | 2022-03-25 |
| CN114223369B CN114223369B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111587709.2A Active CN114223369B (en) | 2021-12-23 | 2021-12-23 | Fertilizer spraying device convenient to adjust concentration and direction |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20180243772A1 (en) * | 2017-02-28 | 2018-08-30 | Deere & Company | Adjustable row unit and sprayer vehicle with adjustable row unit |
| CN209299725U (en) * | 2018-12-08 | 2019-08-27 | 全南厚朴生态林业有限公司 | A kind of seedling growth liquid fertilizer flusher |
| CN209609199U (en) * | 2019-03-12 | 2019-11-12 | 刘林 | A kind of multi-functional agricultural fertilizer apparatus |
| CN110881302A (en) * | 2019-12-10 | 2020-03-17 | 黄碧芳 | A fertilizer mixes sprinkler that is used for root and leaf of paddy field to drench and waters in step |
| CN211656868U (en) * | 2019-11-05 | 2020-10-13 | 湖南百优特现代农业科技有限公司 | Crop is planted with quick sprinkler of liquid fertilizer |
| CN211982621U (en) * | 2020-02-15 | 2020-11-24 | 薛红辽 | Gardens are planted and are used liquid fertilizer injection unit |
| CN212013589U (en) * | 2019-11-22 | 2020-11-27 | 内蒙古龙泽节水灌溉科技有限公司 | Integrative drip irrigation system of liquid manure |
-
2021
- 2021-12-23 CN CN202111587709.2A patent/CN114223369B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180243772A1 (en) * | 2017-02-28 | 2018-08-30 | Deere & Company | Adjustable row unit and sprayer vehicle with adjustable row unit |
| CN209299725U (en) * | 2018-12-08 | 2019-08-27 | 全南厚朴生态林业有限公司 | A kind of seedling growth liquid fertilizer flusher |
| CN209609199U (en) * | 2019-03-12 | 2019-11-12 | 刘林 | A kind of multi-functional agricultural fertilizer apparatus |
| CN211656868U (en) * | 2019-11-05 | 2020-10-13 | 湖南百优特现代农业科技有限公司 | Crop is planted with quick sprinkler of liquid fertilizer |
| CN212013589U (en) * | 2019-11-22 | 2020-11-27 | 内蒙古龙泽节水灌溉科技有限公司 | Integrative drip irrigation system of liquid manure |
| CN110881302A (en) * | 2019-12-10 | 2020-03-17 | 黄碧芳 | A fertilizer mixes sprinkler that is used for root and leaf of paddy field to drench and waters in step |
| CN211982621U (en) * | 2020-02-15 | 2020-11-24 | 薛红辽 | Gardens are planted and are used liquid fertilizer injection unit |
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| CN114223369B (en) | 2023-03-14 |
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