CN111670659A - Agricultural soil fertilizing machine - Google Patents
Agricultural soil fertilizing machine Download PDFInfo
- Publication number
- CN111670659A CN111670659A CN202010617575.3A CN202010617575A CN111670659A CN 111670659 A CN111670659 A CN 111670659A CN 202010617575 A CN202010617575 A CN 202010617575A CN 111670659 A CN111670659 A CN 111670659A
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- China
- Prior art keywords
- claw
- plate
- block
- strip
- soil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002689 soil Substances 0.000 title claims abstract description 60
- 210000000078 claw Anatomy 0.000 claims abstract description 71
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000002828 fuel tank Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 7
- 244000208734 Pisonia aculeata Species 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000011090 solid board Substances 0.000 claims 4
- 239000003337 fertilizer Substances 0.000 abstract description 16
- 239000004575 stone Substances 0.000 abstract description 11
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 6
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention discloses an agricultural soil fertilizing machine, which comprises a handrail, a fertilizing mechanism, a movable wheel, a machine body and a fuel tank, wherein the handrail is movably clamped with the machine body, the movable wheel is connected with the machine body, the fuel tank is embedded and fixed at the upper end of the machine body, the fertilizing mechanism is arranged at the rear end of the machine body, the lower end of a digging claw can swing rightwards along a shell through the reverse thrust generated by a stone block to the digging claw, so that the upper end of the digging claw impacts a discharging end, a contact end on a blocking strip can extend outwards, two contact ends can cut off the fertilizer transmission in a material guide cavity in a short time, a pushing block on the digging claw can slide upwards along a guide groove through the thrust generated by the dug soil to the pushing block, when the digging claw stops digging the soil, the pushing block can slide downwards along the upper surface of the claw surface attached to the claw surface through an inclined surface of the claw surface, therefore, the soil attached to the outer surface of the claw surface can be removed.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to agricultural soil fertilizing machinery.
Background
Agricultural fertilizer distributor mainly used carries out the equipment that fertilizer was broadcast to the soil, can dig out the slot on the soil through the claw of digging a groove, and the baffle box on the rethread claw of digging a groove is with the leading-in ditch inslot dug of fertilizer of storage incasement portion, is the common equipment of farming trade, and the inventor discovers based on the above-mentioned description that present agricultural soil fertilization machinery mainly has following not enough, for example:
because the inside fertilizer of agricultural fertilizer distributor storage case is continuous through the baffle box uniform velocity discharge on the claw of digging groove, and the claw of digging groove meets the inside stone in soil and blocks when digging groove to the soil, then can make the claw of digging groove push away the stone to the phenomenon that slows down can appear as to the forward speed of agricultural fertilizer distributor, leads to the seeding of fertilizer to appear inhomogeneous condition.
Disclosure of Invention
In order to solve the problems, the invention provides an agricultural soil fertilizing machine.
In order to achieve the purpose, the invention is realized by the following technical scheme: an agricultural soil fertilizing machine structurally comprises a handrail, a fertilizing mechanism, a moving wheel, a machine body and a fuel tank, wherein the handrail is movably clamped with the machine body, the moving wheel is connected with the machine body, the fuel tank is fixedly embedded at the upper end of the machine body, and the fertilizing mechanism is installed at the rear end of the machine body; fertilizing mechanism includes the shell, returns shell fragment, grooving claw, discharge end, it installs between the inner wall of shell and grooving claw to return the shell fragment, grooving claw and shell hinge link, the discharge end is connected with the inner wall left side of shell is embedded solid.
As a further optimization of the invention, the discharge end comprises a material guide cavity, an outer ring, a blocking strip, an elastic strip and a middle fixed block, the material guide cavity penetrates through the inner positions of the outer ring and the middle fixed block, the blocking strip is in clearance fit with the middle fixed block, the elastic strip is arranged between the outer ring and the middle fixed block, and the material guide cavity is of a vertically through structure.
As a further optimization of the invention, the barrier strip comprises a contact end, a combination block, a movable plate, a pull-back strip, a bottom plate and a guide frame, wherein the contact end and the combination block are in an integrated structure, the combination block is fixedly embedded with the movable plate, the movable plate is in clearance fit with the guide frame, the pull-back strip is arranged between the movable plate and the bottom plate, the guide frame and the bottom plate are in an integrated structure, and the mechanism can swing greatly by the impact force generated when the mechanism collides with a stone during advancing.
As a further optimization of the invention, the contact end comprises a deformation surface, a support bar, a fixed block, a bearing plate, a plate surface and a position fixing plate, the deformation surface is fixedly embedded in the position fixing plate, the support bar penetrates through the inner position of the position fixing plate, the bottom of the fixed block is attached to the upper surface of the bearing plate, the plate surface and the bearing plate are of an integrated structure, the position fixing plate is connected with the bearing plate, and the deformation surface is made of spring steel with strong elasticity.
As a further optimization of the invention, the digging claw comprises a claw surface, a guide groove and a pushing and removing block, wherein the guide groove and the claw surface are in an integrated structure, the pushing and removing block is in clearance fit with the guide groove, and the pushing and removing block can slide upwards along the guide groove by the pushing force generated on the pushing and removing block by soil dug out of the claw surface.
As a further optimization of the invention, the pushing and removing block comprises a movable block, a sleeve plate, a plate body, a swinging strip, a reset sheet and a top plate, wherein one end of the movable block is fixedly embedded in the top plate, the other end of the movable block is in clearance fit with the sleeve plate, the sleeve plate is connected with the plate body, one end of the swinging strip is movably clamped with the top plate, the other end of the swinging strip is hinged with the plate body, the reset sheets are arranged between the swinging strip and the plate body, and the three reset sheets are distributed in parallel between the top plate and the plate body.
As a further optimization of the invention, the top plate comprises a stirring roller, a baffle plate and a bottom connecting plate, the stirring roller is movably clamped with the baffle plate, the baffle plate is fixedly embedded with the bottom connecting plate, and the stirring roller is of a surface groove structure.
The invention has the following beneficial effects:
1. when the grooving claw on the fertilizing mechanism hits the inside stone in soil, through the counterthrust that the stone produced the grooving claw, can make the lower extreme of grooving claw swing right along the shell to the upper end that makes the grooving claw can swing along the shell fast left, so make the upper end striking of grooving claw arrange the material and serve, thereby make the contact jaw on the barrier strip can outwards stretch out, so that two contact jaws can carry out the short time to the fertilizer transmission of guide intracavity portion and cut and stop.
2. When the grooving claw digs a groove on the soil, the thrust generated by the excavated soil to the removing block on the grooving claw can enable the removing block to slide upwards along the guide groove, when the grooving claw stops grooving the soil and leaves the inside of the soil, the inclined surface of the claw surface can enable the removing block to slide downwards along the upper surface of the guide groove attached to the claw surface, and therefore the soil attached to the outside of the claw surface can be removed.
Drawings
Fig. 1 is a schematic structural diagram of an agricultural soil fertilizing machine of the invention.
Fig. 2 is a schematic structural diagram of a side view section of the fertilizing mechanism of the invention.
FIG. 3 is a schematic side view of a discharge end of the present invention.
Fig. 4 is a schematic side view of a barrier rib according to the present invention.
Fig. 5 is a side sectional view of a contact end of the present invention.
FIG. 6 is a side view of the grooved pawl of the present invention.
FIG. 7 is a side view of a half-section of the ejector block of the present invention.
Fig. 8 is a schematic structural view of the top plate of the present invention.
In the figure: handrail-1, fertilizing mechanism-2, moving wheel-3, machine body-4, fuel tank-5, shell-21, resilience piece-22, grooving claw-23, discharge end-24, guide cavity-a 1, outer ring-a 2, blocking strip-a 3, elastic strip-a 4, middle fixed block-a 5, contact end-a 31, combination block-a 32, movable plate-a 33, pulling strip-a 34, bottom plate-a 35, guide frame-a 36, deformation surface-b 1, support strip-b 2, fixed block-b 3, bearing plate-b 42, plate surface-b 5, fixed plate-b 6, claw surface-c 1, guide groove-c 2, pushing block-c 3, movable block-c 31, sleeve plate-c 32, plate body-c 33, swinging strip-c 34, restoring piece-c 35-c 32, Top plate-c 36, stirring roller-d 1, baffle-d 2, bottom plate-d 3.
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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-5:
the invention provides an agricultural soil fertilizing machine, which structurally comprises a handrail 1, a fertilizing mechanism 2, a moving wheel 3, a machine body 4 and a fuel tank 5, wherein the handrail 1 is movably clamped with the machine body 4, the moving wheel 3 is connected with the machine body 4, the fuel tank 5 is embedded at the upper end of the machine body 4, and the fertilizing mechanism 2 is arranged at the rear end of the machine body 4; fertilizing mechanism 2 includes shell 21, resilience piece 22, grooving claw 23, discharge end 24, resilience piece 22 is installed between shell 21's inner wall and grooving claw 23, grooving claw 23 and shell 21 hinged joint, discharge end 24 is connected with the inner wall left side of shell 21 is inlayed admittedly.
The material discharge end 24 comprises a material guide cavity a1, an outer ring a2, a blocking strip a3, an elastic strip a4 and a middle fixed block a5, the material guide cavity a1 penetrates through the inner positions of the outer ring a2 and the middle fixed block a5, the blocking strip a3 is in clearance fit with the middle fixed block a5, the elastic strip a4 is installed between the outer ring a2 and the middle fixed block a5, and the material guide cavity a1 is of a vertically through structure, so that fertilizer above the mechanism can be discharged to the lower side through the material guide cavity a 1.
The stop bar a3 comprises a contact end a31, a combination block a32, a movable plate a33, a pull back bar a34, a bottom plate a35 and a guide frame a36, the contact end a31 and the combination block a32 are of an integrated structure, the combination block a32 is fixedly connected with the movable plate a33, the movable plate a33 is in clearance fit with the guide frame a36, the pull back bar a34 is mounted between the movable plate a33 and the bottom plate a35, the guide frame a36 and the bottom plate a35 are of an integrated structure, the mechanism can swing greatly by impact force generated by the impact of the mechanism on stones when the mechanism advances, so that the movable plate a33 can be affected by the impact force and slide outwards along the guide frame a 36.
The contact end a31 comprises a deformation surface b1, a support strip b2, a fixed block b3, a bearing plate b4, a plate surface b5 and a position fixing plate b6, the deformation surface b1 is fixedly connected with the position fixing plate b6, the support strip b2 penetrates through the inner position of the position fixing plate b6, the bottom of the fixed block b3 is attached to the upper surface of the bearing plate b4, the plate surface b5 and the bearing plate b4 are of an integrated structure, the position fixing plate b6 is connected with the bearing plate b4, the deformation surface b1 is made of spring steel with high elasticity, and the deformation surface b1 and the other opposite deformation surface b1 collide with each other to generate thrust, so that the deformation surface b1 can be bent and deformed inwards, and two opposite deformation surfaces b1 can be attached tightly.
The detailed use method and action of the embodiment are as follows:
in the invention, as the fertilizer in the shell 21 is continuously discharged at a uniform speed through the trenching claw 23, and the trenching claw 23 is blocked by stones in the soil when trenching the soil, the trenching claw 23 can push the stones away, so that the advancing speed of the machine body 4 is slowed, and the fertilizer spreading is uneven, the problems can be effectively solved through the discharge end 24 on the fertilizing mechanism 2, when the trenching claw 23 on the fertilizing mechanism 2 collides with the stones in the soil when trenching the soil, the stones can generate a reverse thrust to the trenching claw 23, so that the lower end of the trenching claw 23 can swing rightwards along the shell 21, and therefore, the upper end of the trenching claw 23 can swing leftwards along the shell 21, so that the upper end of the trenching claw 23 can collide with the discharge end 24, and the upper end of the trenching claw 23 can generate a collision to the outer ring a2 on the discharge end 24, the movable plate a33 on the barrier strip a3 can slide out along the guide frame a36, so that the movable plate a33 can push the combination block a32 to extend forwards, the contact end a31 at the top of the combination block a32 can extend forwards until the contact end a31 extending oppositely collides with each other, the deformation surface b1 on the contact end a31 can be bent and deformed inwards by the collision between the two contact ends a31, the joint between the two contact ends a31 can be tighter, the fertilizer conveyed inside the material guide cavity a1 can be trapped for a short time, the condition that the fertilizer inside the material guide cavity a1 continues to be spread downwards when the speed of the grooving claw 23 is reduced is effectively avoided, and when the material guide groove claw 23 is dug, the movable plate a33 can be pulled to retract and reset along the guide frame a36 by the pulling strip a34, so that the contact end a31 can retract inwards along with the combination block a32, so that the material guide chamber a1 can normally convey the fertilizer.
Example 2
As shown in fig. 6-8:
the trenching claw 23 comprises a claw surface c1, a guide groove c2 and a pushing block c3, wherein the guide groove c2 and the claw surface c1 are integrated, the pushing block c3 is in clearance fit with the guide groove c2, the pushing block c3 can slide upwards along the guide groove c2 by the thrust generated on the pushing block c3 by soil dug out from the claw surface c1, and when the claw surface c1 leaves the inside of the ground, the pushing block c3 can slide downwards along the inclined guide groove c2 and is attached to the outer surface of the claw surface c 1.
The pushing-out block c3 includes a movable block c31, a sleeve plate c32, a plate c33, a swinging bar c34, a reset plate c35 and a top plate c36, one end of the movable block c31 is fixedly connected with the top plate c36, the other end of the movable block c31 is in clearance fit with the sleeve plate c32, the sleeve plate c32 is connected with the plate c33, one end of the swinging bar c33 is movably engaged with the top plate c33, the other end of the swinging bar c33 is hinged with the plate c33, the reset plate c33 is installed between the swinging bar c33 and the plate c33, the three reset plates c33 are distributed between the top plate c33 and the plate c33 in parallel, the top plate c33 generates upward pushing force by excavated soil, the swinging bar c33 can swing rightwards, so that the top plate c33 can slide upwards, and the reset plate c33 can push the swinging bar c33 quickly when the pushing force of the top plate c33 is lost.
The top plate c36 comprises a stirring roller d1, a baffle d2 and a bottom connecting plate d3, the stirring roller d1 is movably clamped with the baffle d2, the baffle d2 is fixedly embedded with the bottom connecting plate d3, the stirring roller d1 is of a surface groove structure, the stirring roller d1 is pushed by soil, the stirring roller d1 can rotate along the baffle d2, soil can be loosened, and therefore the cleaning speed of the soil on the upper surface of the bottom connecting plate d3 can be increased.
The detailed use method and action of the embodiment are as follows:
in the invention, when the digging claw 23 digs the soil, soil is adhered to the outer surface of the digging claw 23, if the soil humidity is larger, the soil adhered to the digging claw 23 is not easy to be removed, if the soil humidity is larger, fertilizer cannot be guided into the groove on the soil along the concave surface of the digging claw 23, the problem can be effectively solved through the pushing block c3 on the digging claw 23, when the digging claw 23 digs the groove on the soil, the pushing block c3 can slide upwards along the guiding groove c2 through the pushing force of the dug soil to the pushing block c3 on the digging claw 23, when the digging claw 23 stops digging the groove on the soil and leaves the inside of the soil, the pushing block c3 can slide downwards along the guiding groove c2 and is adhered to the upper surface of the claw surface c1 through the inclined surface of the claw surface c1, the soil adhered to the outside of the claw surface c1 can be pushed, and the condition that the soil with larger humidity is not easy to be removed from the outer surface of the digging claw 23 is effectively avoided, and the excavated soil generates an upward pushing force on the top plate c36 of the pushing block c3, the swinging bar c34 can swing rightwards, so that the top plate c36 can slide upwards, and the reset sheet c35 can be quickly pushed to swing and reset when the top plate c36 loses the pushing force of the soil through the reset sheet c35, so that the bottom plate a35 can drive the top plate c36 to slide downwards quickly, so that the top plate c36 can remove the soil attached to the surface of the top plate c36, and when the top plate c36 slides downwards to the utmost, the movable block c31 can impact the inner wall of the sleeve plate c32, so that the generated vibration can shake the soil remained on the outer surface of the top plate c36, thereby effectively avoiding the situation that the pushing block c3 cannot clean the soil with the upper surface adhesion to itself when cleaning the soil on the outer surface of the excavated slot c3, and the pushing force generated on the stirring roller d1 on the top plate c36 when the soil passes through the surface of the top plate c36, therefore, the stirring roller d1 can rotate along the baffle plate d2, so that the rotating baffle plate d2 can loosen soil, and the removal efficiency of the soil attached to the outer surface of the top plate c36 can be improved.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (7)
1. The utility model provides an agricultural soil fertilizing machine, its structure includes handrail (1), fertilizing mechanism (2), removes wheel (3), organism (4), fuel tank (5), handrail (1) and organism (4) activity block, it is connected with organism (4) to remove wheel (3), fuel tank (5) are embedded in the upper end position of organism (4), its characterized in that: the fertilizing mechanism (2) is arranged at the rear end of the machine body (4);
fertilizing mechanism (2) include shell (21), return shell fragment (22), grooving claw (23), discharge end (24), return shell fragment (22) and install between the inner wall of shell (21) and grooving claw (23), grooving claw (23) are linked with shell (21) hinge, discharge end (24) are connected with the inner wall left side of shell (21) is inlayed admittedly.
2. An agricultural soil fertilizing machine as claimed in claim 1, wherein: the material discharge end (24) comprises a material guide cavity (a1), an outer ring (a2), a barrier strip (a3), an elastic strip (a4) and a middle fixed block (a5), the material guide cavity (a1) penetrates through the inner positions of the outer ring (a2) and the middle fixed block (a5), the barrier strip (a3) is in clearance fit with the middle fixed block (a5), and the elastic strip (a4) is installed between the outer ring (a2) and the middle fixed block (a 5).
3. An agricultural soil fertilizing machine as claimed in claim 2, wherein: the barrier strip (a3) comprises a contact end (a31), a combination block (a32), a movable plate (a33), a pull-back strip (a34), a bottom plate (a35) and a guide frame (a36), the contact end (a31) and the combination block (a32) are of an integrated structure, the combination block (a32) is fixedly embedded in the movable plate (a33), the movable plate (a33) is in clearance fit with the guide frame (a36), the pull-back strip (a34) is installed between the movable plate (a33) and the bottom plate (a35), and the guide frame (a36) and the bottom plate (a35) are of an integrated structure.
4. An agricultural soil fertilizing machine as claimed in claim 3, wherein: contact jaw (a31) includes deformation face (b1), support bar (b2), fixed block (b3), accepts board (b4), face (b5), position solid board (b6), deformation face (b1) and position solid board (b6) are embedded and are connected, support bar (b2) run through the inside position in position solid board (b6), the bottom of fixed block (b3) is laminated with the upper surface of accepting board (b4), face (b5) and accepting board (b4) are the integrated structure, position solid board (b6) is connected with accepting board (b 4).
5. An agricultural soil fertilizing machine as claimed in claim 1, wherein: the grooving claw (23) comprises a claw surface (c1), a guide groove (c2) and a pushing block (c3), the guide groove (c2) and the claw surface (c1) are of an integrated structure, and the pushing block (c3) is in clearance fit with the guide groove (c 2).
6. An agricultural soil fertilizing machine as claimed in claim 2, wherein: push away except that piece (c3) includes movable block (c31), lagging (c32), plate body (c33), swing strip (c34), reset piece (c35), roof (c36), the one end and the roof (c36) of movable block (c31) are embedded solid and are connected, the other end and the lagging (c32) clearance fit of movable block (c31), lagging (c32) are connected with plate body (c33), the one end and the roof (c36) activity block of swing strip (c34), the other end and plate body (c33) hinged joint of swing strip (c34), reset piece (c35) are installed between swing strip (c34) and plate body (c 33).
7. An agricultural soil fertilizing machine as claimed in claim 6, wherein: the top plate (c36) comprises a stirring roller (d1), a baffle (d2) and a bottom connecting plate (d3), the stirring roller (d1) is movably clamped with the baffle (d2), and the baffle (d2) is fixedly connected with the bottom connecting plate (d 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617575.3A CN111670659B (en) | 2020-06-30 | 2020-06-30 | Agricultural soil fertilizing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617575.3A CN111670659B (en) | 2020-06-30 | 2020-06-30 | Agricultural soil fertilizing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111670659A true CN111670659A (en) | 2020-09-18 |
| CN111670659B CN111670659B (en) | 2021-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010617575.3A Active CN111670659B (en) | 2020-06-30 | 2020-06-30 | Agricultural soil fertilizing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111670659B (en) |
Cited By (4)
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|---|---|---|---|---|
| CN112970397A (en) * | 2021-02-03 | 2021-06-18 | 代杰 | A fertilization equipment for farming |
| CN112970399A (en) * | 2021-02-04 | 2021-06-18 | 程燕红 | Ecological agriculture's planting equipment |
| CN113498661A (en) * | 2021-07-05 | 2021-10-15 | 贵州省草业研究所 | High-efficient fertilizer injection unit is planted to forage grass fodder |
| CN115176571A (en) * | 2022-07-19 | 2022-10-14 | 安徽萌攀农业科技有限公司 | Automatic fertilizing device |
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| CN112970399A (en) * | 2021-02-04 | 2021-06-18 | 程燕红 | Ecological agriculture's planting equipment |
| CN113498661A (en) * | 2021-07-05 | 2021-10-15 | 贵州省草业研究所 | High-efficient fertilizer injection unit is planted to forage grass fodder |
| CN113498661B (en) * | 2021-07-05 | 2022-08-02 | 贵州省草业研究所 | High-efficient fertilizer injection unit is planted to forage grass fodder |
| CN115176571A (en) * | 2022-07-19 | 2022-10-14 | 安徽萌攀农业科技有限公司 | Automatic fertilizing device |
| CN115176571B (en) * | 2022-07-19 | 2023-09-19 | 安徽萌攀农业科技有限公司 | Automatic fertilizer injection unit |
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