CN114868478B - Dual-purpose fertilization shovel suitable for liquid manure dressing - Google Patents
Dual-purpose fertilization shovel suitable for liquid manure dressing Download PDFInfo
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- CN114868478B CN114868478B CN202210372757.8A CN202210372757A CN114868478B CN 114868478 B CN114868478 B CN 114868478B CN 202210372757 A CN202210372757 A CN 202210372757A CN 114868478 B CN114868478 B CN 114868478B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
- A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
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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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Abstract
The invention provides a dual-purpose fertilization shovel suitable for liquid manure dressing, which comprises a soil breaking device and a fertilization device, wherein the fertilization device is arranged behind the soil breaking device, the fertilization device comprises an upper pipe body, a middle pipe body and a lower pipe body which are sequentially connected from top to bottom, a fertilization channel is jointly defined in the upper pipe body, the middle pipe body and the lower pipe body, the upper pipe body is connected with the soil breaking device, a bearing is arranged on the inner peripheral surface of the middle pipe body, an inner ring of the bearing is sleeved at the upper end part of the lower pipe body, a main fertilizer discharging opening is formed at the lower port of the lower pipe body, a fertilization knife is arranged on the side wall of the lower pipe body, a separate fertilizer discharging opening is formed on the lower end surface of the fertilization knife, two ends of a recovery assembly are respectively connected with the middle pipe body and the lower pipe body, and when the fertilization shovel performs basic fertilization operation, the fertilization knife turns to the rear side of the soil breaking device and is parallel to the operation direction of the soil breaking device, and simultaneously opens the main fertilizer discharging opening and the separate fertilizer discharging opening; when the fertilization shovel performs dressing operation, the fertilization knife turns to be perpendicular to the operation direction of the soil breaking device, and simultaneously, the main fertilizer discharging port is closed, and the separate fertilizer discharging ports are opened.
Description
Technical Field
The invention belongs to the field of agricultural machinery, and particularly relates to a fertilizing shovel suitable for liquid manure dressing.
Background
The fertilizing shovel is a key component for realizing the fertilizing function of the injection type fertilizing machine, and the quality of the fertilizing effect of the machine is directly determined by the fertilizing shovel. The existing liquid manure injection type fertilizer applicator is provided with a fertilizer shovel mainly for realizing a base fertilizer application function, and a small part of fertilizer shovels can realize a dressing function. Taking corn as an example, from the aspect of fertilization effect, after the prior fertilization shovel is subjected to basal fertilization, the concentrated distribution area of corn root systems cannot be completely covered by liquid manure in soil, so that the utilization efficiency of the liquid manure is low. Meanwhile, in the topdressing operation, the liquid manure applied by the fertilizer shovel is far away from the root system of the crops, so that the crops cannot fully absorb the nutrients in the manure.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, one purpose of the invention is to provide a fertilizing shovel suitable for liquid manure dressing, which improves the covering depth of liquid manure in soil, improves the absorption effect of crops on manure nutrients, and improves the utilization rate of liquid manure and the operation efficiency of machines.
In one aspect of the invention, the invention provides a fertilizing shovel suitable for liquid manure dressing. According to an embodiment of the present invention, the fertilizing shovel includes:
a breaking device;
the fertilizing device is arranged at the rear of the soil breaking device and comprises an upper pipe body, a middle pipe body and a lower pipe body which are sequentially connected from top to bottom, a fertilizing channel is jointly defined in the upper pipe body, the middle pipe body and the lower pipe body, the upper pipe body is connected with the soil breaking device, a bearing is arranged on the inner peripheral surface of the middle pipe body, an inner ring of the bearing is sleeved at the upper end part of the lower pipe body, a main fertilizer outlet is formed at the lower port of the lower pipe body, a fertilizing knife is arranged on the side wall of the lower pipe body, a fertilizer distributing outlet is formed on the lower end surface of the fertilizing knife, a slot is formed in the side wall of the lower pipe body between the main fertilizer outlet and the fertilizing knife, a baffle plate is detachably arranged in the slot,
the two ends of the return assembly are respectively connected with the middle pipe body and the lower pipe body, and when the fertilization shovel performs basal fertilization operation, the fertilization knife turns to the rear side of the soil breaking device and is parallel to the operation direction of the soil breaking device, and simultaneously the main fertilizer discharging port and the branch fertilizer discharging port are opened;
when the fertilization shovel performs dressing operation, the fertilization knife turns to be perpendicular to the operation direction of the soil breaking device, and simultaneously the main fertilizer discharging port is closed by installing the partition plate, and the separate fertilizer discharging ports are opened.
According to the fertilizing shovel suitable for dual-purpose liquid manure topdressing, the fertilizing device is arranged behind the soil breaking device, the fertilizing device comprises an upper pipe body, a middle pipe body and a lower pipe body which are sequentially connected from top to bottom, a fertilizing channel is jointly defined among the upper pipe body, the middle pipe body and the lower pipe body, meanwhile, a bearing is arranged on the inner peripheral surface of the middle pipe body, an inner ring of the bearing is sleeved on the upper end part of the lower pipe body, namely, the lower pipe body can rotate along the bearing, a main fertilizer discharging opening is formed at the lower port of the lower pipe body, a fertilizing knife is arranged on the side wall of the lower pipe body, a fertilizer distributing opening is formed on the lower end face of the fertilizing knife, a restoring component is arranged between the middle pipe body and the lower pipe body, a groove is formed in the side wall of the lower pipe body between the main fertilizer discharging opening and the fertilizing knife, and a partition plate is detachably arranged in the groove. Specifically, when the fertilization shovel performs basal fertilization, the fertilization knife is adjusted to turn to the rear side of the soil breaking device and is parallel to the operation direction of the soil breaking device, meanwhile, a partition plate in a slot is removed to open a main fertilizer discharging port, and a separate fertilizer discharging port is opened, so that liquid manure is applied through the main fertilizer discharging port and the separate fertilizer discharging port, namely layered fertilization of basal manure is realized, full coverage of a root system growing area is ensured, and the problem that the longitudinal diffusion range of the fertilizer in soil is small after the basal fertilization operation of the traditional liquid manure fertilization shovel, and the growing area of crop root systems cannot be completely covered is solved; when the fertilization shovel carries out topdressing operation, adjust the fertilization sword and turn to and break the soil device operation direction perpendicularly, simultaneously through installing the baffle in the fluting and carry out the shutoff to lower body lower part in order to realize closing main fertilizer outlet, open branch fertilizer outlet, carry out the nearly root fertilization in side position through branch fertilizer outlet on the fertilization sword promptly, under the prerequisite of not damaging crop root system, directly apply the liquid manure to the crop root system side, in order to satisfy the demand of crop root system to fertilizer nutrient, improve the utilization ratio of liquid manure, the fertilizer position is far away from the crop root system after topdressing operation has been solved to current liquid manure fertilization shovel, can't satisfy the absorption demand of root system to nutrient, cause the problem that fertilizer utilization ratio is low owing to set up the recovery subassembly between well body and lower body, when the fertilization sword touches hard thing such as stone, can be nimble avoid the barrier, can effectually protect the fertilization sword, can break up the soil caking of great piece simultaneously, and after the hard thing such as stone is walked around, can realize that fertilization sword and perpendicular and break the initial position operation with the vertical direction of foundation is accomplished to the recovery subassembly.
In addition, the fertilizing shovel applicable to the dual-purpose of liquid manure dressing according to the embodiment of the invention can also have the following additional technical characteristics:
in some embodiments of the invention, the soil breaking device is a subsoiler.
In some embodiments of the present invention, an upper pipe flange is disposed at a lower end of the upper pipe, a middle pipe flange is disposed at an upper end of the middle pipe, and the upper pipe flange and the middle pipe flange are detachably connected. Therefore, the flexible adjustment of the fertilization shovel operation mode can be realized.
In some embodiments of the present invention, the lower tube body includes the upper end portion and a main body portion from top to bottom, and the upper end portion protrudes into the middle tube body, and an outer peripheral wall of the main body portion is located outside an outer peripheral wall of the upper end portion.
In some embodiments of the present invention, a first baffle is disposed in the bearing above the upper end, a first opening is disposed on the first baffle, a second baffle is disposed at the upper end of the upper end, the first baffle and the second baffle are abutted, a second opening is disposed on the second baffle, and the first opening is in communication with the second opening when the fertilization shovel performs the base application operation and the additional application operation. Therefore, the first opening and the second opening are staggered in the process that the fertilizing shovel rotates to avoid the obstacle, and the fertilizing channel is blocked at the moment, so that the waste of liquid manure is avoided.
In some embodiments of the invention, the fertilizing knife is arranged obliquely, and the angle of inclination of the fertilizing knife is 30-60 degrees.
In some embodiments of the invention, the length of the fertilizing knife is 8-10 cm and the cutting edge angle is 20-30 degrees. Therefore, on the premise of not damaging the root system of the crop, the liquid manure is directly applied beside the root system of the crop, so that the requirement of the root system of the crop on fertilizer nutrients is met, and the utilization rate of the liquid manure is improved.
In some embodiments of the invention, the distance between the fertilizing knife and the main fertilizer outlet is 8-10 cm, so that the full coverage of the root growth area can be ensured.
In some embodiments of the invention, the restoring component is a torsion spring, and the torsion spring is sleeved at the joint of the middle pipe body and the lower pipe body.
In some embodiments of the invention, the torsion spring has a maximum torsion angle of 90 degrees.
In some embodiments of the invention, the main fertilizer outlet is located above the cutting edge of the subsoiler in the height direction, and the height between the main fertilizer outlet and the cutting edge is 3-5 cm.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a dual-purpose fertilizing shovel for liquid manure dressing in a dressing mode of operation according to one embodiment of the present invention;
FIG. 2 is a schematic view of a part of a fertilizing device on a fertilizing shovel suitable for liquid manure dressing according to one embodiment of the invention;
FIG. 3 is a schematic view of the structure of an upper bearing of a fertilizer applicator on a spatula adapted for dual-purpose liquid manure dressing in accordance with one embodiment of the present invention;
FIG. 4 is a schematic view of the structure of the upper and lower pipes of the fertilizer applicator on the spatula adapted for dual-purpose liquid manure dressing in accordance with one embodiment of the present invention;
FIG. 5 is a schematic view showing a part of a fertilizer apparatus on a fertilizer shovel suitable for use in both liquid manure dressing in accordance with still another embodiment of the present invention;
FIG. 6 is a schematic view of a top-mounted bearing of a manure spreader suitable for use in both liquid manure dressing in accordance with an embodiment of the present invention;
FIG. 7 is a top view of a lower pipe of a fertilizer blade-on-fertilizer apparatus adapted for dual-purpose liquid manure topdressing in accordance with one embodiment of the present invention;
fig. 8 is a schematic view of a structure of a fertilizing shovel suitable for use in both liquid manure dressing and in a base application mode of operation according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In one aspect of the invention, the invention provides a fertilizing shovel suitable for liquid manure dressing. According to an embodiment of the present invention, referring to fig. 1, the fertilizing shovel includes: a soil breaking device 100 and a fertilizer application device 200.
According to an embodiment of the present invention, the soil breaking device 100 of the present application is any device that can achieve a breaking of the soil during a fertilizing operation, such as a subsoiler, preferably a chisel subsoiler.
According to an embodiment of the present invention, referring to fig. 1, a fertilizer device 200 is provided at the rear of a soil breaking device 100 and adapted to perform a fertilizer operation at the rear of the soil breaking device 100, wherein the fertilizer device 200 includes an upper pipe body 21, a middle pipe body 22 and a lower pipe body 23 connected in sequence from top to bottom, a fertilizer application passage (not shown) is defined in the upper pipe body 21, the middle pipe body 22 and the lower pipe body 23 together, and the upper pipe body 21 is connected to the soil breaking device 100, for example, the upper pipe body 21 is fixed to the soil breaking device 100 by bolts 11. Specifically, the upper port of the upper pipe body 21 may be connected to a dispenser mounted on the frame through a hose, thereby achieving the delivery of liquid manure.
According to an embodiment of the present invention, referring to fig. 2, the lower end of the upper pipe body 21 is provided with an upper pipe body flange 211, the upper end of the middle pipe body 22 is provided with a middle pipe body flange 221, the upper pipe body flange 211 and the middle pipe body flange 221 are detachably connected, for example, the upper pipe body flange 211 and the middle pipe body flange 221 are butted, and the detachable connection is performed through a hexagon socket screw, so as to realize the connection of the upper pipe body 21 and the middle pipe body 22.
According to an embodiment of the present invention, referring to fig. 2 and 3, the inner circumferential surface of the middle tube body 22 is provided with a bearing 222, that is, an outer ring 2221 of the bearing 222 is provided at the inner circumferential surface of the middle tube body 22, and an inner ring 2222 of the bearing 222 is sleeved at an upper end 231 of the lower tube body 23, that is, the lower tube body 23 is rotatably provided along the bearing 222. According to one embodiment of the present invention, referring to fig. 4, the lower pipe body 23 includes an upper end 231 and a main body 232 from top to bottom, and the upper end 231 extends into the middle pipe body 22, the outer peripheral wall of the main body 232 is located at the outer side of the outer peripheral wall of the upper end 231, meanwhile, the lower port of the lower pipe body 23 forms a main fertilizer outlet 201, the side wall of the lower pipe body is provided with a fertilizer application knife 24, and the lower end surface of the fertilizer application knife 24 is provided with a fertilizer distributing outlet 202, namely, the fertilizer distributing outlet 202 is arranged at the bottom of the fertilizer application knife 24, so that soil can be prevented from blocking the fertilizer distributing outlet 202 in the fertilizer application process. Referring to fig. 1, a slot 26 is formed in the side wall of the lower pipe body 23 between the main fertilizer outlet 201 and the fertilizer application knife 24, and a partition plate 27 is detachably arranged in the slot 26. Specifically, the partition plate 27 is installed in the slot 26 to block the lower part of the lower pipe body 23, so that the main fertilizer outlet 201 is closed, and the corresponding partition plate 27 is removed when the main fertilizer outlet 201 needs to be opened.
Further, referring to fig. 5 to 7, a first baffle 2223 is disposed above the bearing 222 at the upper end 231, a first opening 203 is disposed on the first baffle 2223, a second baffle 2311 is disposed at the upper end of the upper end 231, the first baffle 2311 and the second baffle 2223 are abutted, a second opening 204 is disposed on the second baffle 2311, when the fertilization shovel performs the basal fertilization operation and the topdressing operation, the first opening 203 is conducted with the second opening 204, that is, the conduction of the fertilization channel is realized, and when the fertilization knife 24 encounters an obstacle in the rotation process, the first opening 203 is staggered with the second opening 204, so that the fertilization channel is blocked, thereby avoiding the waste of liquid manure when the fertilization knife encounters the obstacle in the rotation process.
According to one embodiment of the present invention, referring to fig. 1, the fertilizer blades 24 are arranged obliquely, and the inclination angle of the fertilizer blades 24 is 30 to 60 degrees. Preferably, the length of the fertilizer application knife 24 is 8-10 cm and the cutting edge angle is 20-30 degrees. Meanwhile, the distance between the fertilizer application knife 24 and the main fertilizer discharge opening 201 is 8-10 cm. Therefore, on the premise of not damaging the crop root system, the liquid manure can be directly applied beside the crop root system, the requirement of the crop root system on fertilizer nutrients is met, and the utilization rate of the liquid manure is improved.
According to one embodiment of the invention, the main fertilizer outlet 201 is located 3-5 cm above the upper cutting edge of the subsoiler in the height direction, namely, after the subsoiler breaks the soil, the main fertilizer outlet 201 at the lower end of the lower pipe body 202 is higher by Yu Shen than the lowest end of the soil after the subsoiler breaks the soil, so that the main fertilizer outlet 201 is prevented from being blocked by the soil in the left and right fertilization process, and the heights of the main fertilizer outlet 201 and the cutting edge are 3-5 cm, thereby meeting the requirements of crop root systems on fertilizer nutrients while preventing the main fertilizer outlet 201 from being blocked.
According to the embodiment of the present invention, referring to fig. 1 and 2, both ends of the restoring assembly 25 are connected to the middle and lower pipes 22 and 23, respectively, and since the lower pipe 23 is rotatably disposed along the bearing 222, the lower pipe 23 can be restored to the original position by the restoring assembly 25, preferably the restoring assembly 25 is disposed at the junction of the middle and lower pipes 22 and 23. It should be noted that, a person skilled in the art may select the specific structure of the restoring assembly 25 according to actual needs, so long as the restoring of the lower tube body 22 to the initial position can be achieved, for example, the restoring assembly 25 is a torsion spring, two tentacles of the torsion spring are respectively connected with the middle tube body 22 and the lower tube body 23, and the torsion spring is sleeved at the connection position of the middle tube body 22 and the lower tube body 23. Preferably, the maximum torsion angle of the torsion spring is 90 degrees.
Specifically, when the fertilization shovel performs the basal fertilization operation, through dismantling and rotating the upper pipe body flange 211 and the middle pipe body flange 221, refer to fig. 8, the fertilization knife 24 on the lower pipe body 23 turns to the rear side of the soil breaking device 100 and is parallel to the operation direction of the soil breaking device 100, simultaneously, through adjusting the restoring component 25, and the first opening 203 is communicated with the second opening 204, namely, the conduction of a fertilization channel is realized, in addition, the partition plate 27 in the groove 26 is dismantled to realize the 1 opening of the main fertilizer outlet 20, so that the liquid manure supplied by the upper pipe body 21 is applied through the main fertilizer outlet 201 and the separate fertilizer outlet 202 through the fertilization channel, namely, the layered fertilization of the basal manure is realized, the full coverage of the root growth area is ensured, and the problem that the longitudinal diffusion range of the fertilizer in soil is small and the growth area of the root system of crops cannot be completely covered after the basal fertilization operation of the existing liquid manure fertilization shovel is solved. When the fertilizing shovel performs dressing operation, through dismantling and rotating the upper pipe body flange 211 and the middle pipe body flange 221, refer to fig. 1, adjust the return component 25, make the fertilizing knife 24 turn to the position perpendicular to the operation direction of the soil breaking device 100 be the initial position, and at this time the first opening 203 is conducted with the second opening 204, realize the conduction of the fertilization channel, in addition, through installing the baffle 27 in the slot 26 and plugging the lower pipe body 23 lower part so as to realize closing the main fertilizer outlet 201, namely, through the separate fertilizer outlet 202 on the fertilizing knife 24, the side direction is near root fertilization, under the premise of not damaging the root system of crops, directly apply liquid manure to the side of the root system of crops, so as to meet the demand of the root system of the crops, improve the utilization rate of the liquid manure, after the dressing operation of the existing liquid manure fertilizing shovel, the root system is far away from the fertilizer position, the absorption demand of the root system of the crops, and the problem of low fertilizer utilization rate cannot be satisfied, in addition, because the return component 25 is arranged between the middle pipe body 22 and the lower pipe body 23, when the fertilizing knife 24 touches hard objects such as the fertilizing block, the side direction is near root system fertilization, namely, can be guaranteed to protect the flexible obstacle, and the liquid manure can be directly applied to the root system of the crop root system, and the second opening 204 is prevented from being far away from the initial position, and the soil breaking device is turned away from the first opening 203, and the position is prevented from the position of the soil breaking device, and the soil opening 204 is turned around the initial position when the first opening 204, and the soil breaking device is far away from the soil opening, and the soil opening is turned around the position, and the position is perpendicular on the end of the soil opening 203.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. A dual-purpose fertilization shovel suitable for liquid manure topdressing, which is characterized by comprising:
a breaking device;
the fertilizing device is arranged at the rear of the soil breaking device and comprises an upper pipe body, a middle pipe body and a lower pipe body which are sequentially connected from top to bottom, a fertilizing channel is jointly defined in the upper pipe body, the middle pipe body and the lower pipe body, the upper pipe body is connected with the soil breaking device, a bearing is arranged on the inner peripheral surface of the middle pipe body, an inner ring of the bearing is sleeved at the upper end part of the lower pipe body, a main fertilizer outlet is formed at the lower port of the lower pipe body, a fertilizing knife is arranged on the side wall of the lower pipe body, a fertilizer distributing outlet is formed on the lower end surface of the fertilizing knife, a slot is formed in the side wall of the lower pipe body between the main fertilizer outlet and the fertilizing knife, a baffle plate is detachably arranged in the slot,
the two ends of the return assembly are respectively connected with the middle pipe body and the lower pipe body, and when the fertilization shovel performs basal fertilization operation, the fertilization knife turns to the rear side of the soil breaking device and is parallel to the operation direction of the soil breaking device, and simultaneously the main fertilizer discharging port and the branch fertilizer discharging port are opened;
when the fertilization shovel performs dressing operation, the fertilization knife turns to be perpendicular to the operation direction of the soil breaking device, and simultaneously the main fertilizer discharging port is closed by installing the partition plate, and the separate fertilizer discharging ports are opened.
2. The fertilizing shovel according to claim 1, wherein an upper pipe body flange is provided at a lower end of the upper pipe body, a middle pipe body flange is provided at an upper end of the middle pipe body, and the upper pipe body flange and the middle pipe body flange are detachably connected.
3. The fertilizing shovel according to claim 1, wherein said lower pipe body includes said upper end portion and a main body portion from top to bottom, and said upper end portion extends into said middle pipe body, and an outer peripheral wall of said main body portion is located outside an outer peripheral wall of said upper end portion.
4. The fertilizing shovel according to claim 3, wherein a first baffle is provided in a bearing above the upper end portion, a first opening is provided in the first baffle, a second baffle is provided at the upper end of the upper end portion, the first baffle and the second baffle are stopped, a second opening is provided in the second baffle, and the first opening is communicated with the second opening when the fertilizing shovel performs a base application operation and a topdressing operation.
5. The fertilizing shovel according to claim 1, wherein the fertilizing blade is arranged obliquely, and the inclination angle of the fertilizing blade is 30 to 60 degrees.
6. The fertilizing shovel according to claim 1 or 5, wherein the length of the fertilizing knife is 8-10 cm and the cutting angle is 20-30 degrees.
7. The fertilizing shovel according to claim 6, wherein the distance between the fertilizing knife and the main fertilizer outlet is 8-10 cm.
8. The fertilizing shovel according to claim 1, wherein said return member is a torsion spring, said torsion spring being provided around a junction of said middle pipe body and said lower pipe body.
9. The fertilizing shovel of claim 8, wherein the torsion spring has a maximum torsion angle of 90 degrees.
10. The fertilizing shovel according to claim 2, wherein in a height direction, the soil breaking device is a subsoiler, the main fertilizer outlet is located above a cutting edge on the subsoiler, and a height of the main fertilizer outlet and the cutting edge is 3-5 cm.
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| CN202210372757.8A CN114868478B (en) | 2022-04-11 | 2022-04-11 | Dual-purpose fertilization shovel suitable for liquid manure dressing |
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|---|---|---|---|---|
| JP2001061319A (en) * | 1999-08-26 | 2001-03-13 | Iseki & Co Ltd | Ridging and fertilizing apparatus of mobile farm machine |
| CN112913458A (en) * | 2021-01-11 | 2021-06-08 | 中国农业大学 | Stubble cutting and soil covering type space layered fertilization device |
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| CN114868478A (en) | 2022-08-09 |
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