CN114793576B - Agricultural machine is with device of ploughing convenient to unloading - Google Patents
Agricultural machine is with device of ploughing convenient to unloading Download PDFInfo
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- CN114793576B CN114793576B CN202210649478.1A CN202210649478A CN114793576B CN 114793576 B CN114793576 B CN 114793576B CN 202210649478 A CN202210649478 A CN 202210649478A CN 114793576 B CN114793576 B CN 114793576B
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- arc
- shaped
- device shell
- blanking
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
- A01C15/005—Undercarriages, tanks, hoppers, stirrers specially adapted for seeders or fertiliser distributors
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
- A01C15/12—Fertiliser distributors with movable parts of the receptacle
- A01C15/124—Fertiliser distributors with movable parts of the receptacle with adjustable shutters or slits
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention discloses a farming device for agricultural machinery, which is convenient for discharging and comprises a device shell, wherein the bottom of the device shell is rotatably provided with a movable wheel through a support, the top of the device shell is provided with a feed hopper, the top of the feed hopper is provided with an end cover, the bottom of the device shell is provided with a discharge hole, the inner wall of the bottom of the discharge hole is also provided with a plurality of discharging holes, and the outer part of the right side of the device shell is fixedly provided with a first motor. According to the invention, the fertilizer has good anti-blocking performance during blanking, the problem that the seeding and fertilizing effects are easily reduced due to fertilizer blocking in the seeding and fertilizing process in the prior art is solved, and the defect that seeds are adversely affected due to the fact that the fertilizer is adhered into a group is avoided; but also can adjust the fertilizer blanking flow by the fertilizer demand required when different crops are sowed, and has simple structure and convenient adjustment and use.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a farming device for agricultural machinery, which is convenient for blanking.
Background
Agricultural cultivation, i.e. planting, is the cultivation industry which takes land as an important production material, uses green plants to synthesize carbon dioxide, water and mineral substances in the nature into organic substances through photosynthesis, and simultaneously converts solar energy into chemical energy to be stored in the organic substances.
When crops are cultivated, some crops need to be fertilized immediately after sowing in order to ensure the growth of the crops, and most of the crops are sown and fertilized separately, so that certain time and labor are wasted; therefore, the prior art CN111418308B discloses an agricultural cultivation device convenient for sowing and fertilizing integration, which comprises a device main body, a connecting mechanism, a feeding mechanism, a discharging mechanism, a movable mechanism, a pedal and a decomposing mechanism; through separating the space, conveniently broadcast seed and fertilizer simultaneously, be equipped with corresponding adjusting device simultaneously in the inside discharge gate of device main part, conveniently adjust seed and fertilizer to the seeding of adaptation different crops.
However, in the existing blanking process of seeding and fertilizing, the situation of fertilizer blockage is easy to occur, the seeding and fertilizing effect is reduced, and the fertilizer which is bonded into a lump or has larger particles can cause adverse effects on seeds; in addition, different fertilizers are required for sowing different crops, and the adjustment according to the used size of the fertilizer is difficult. Therefore, the invention provides a farming device for agricultural machinery, which is convenient for blanking,
disclosure of Invention
Based on the technical problems in the background art, the invention provides a farming device for agricultural machinery, which is convenient for blanking.
The agricultural machinery cultivation device convenient for discharging comprises a device shell, wherein the bottom of the device shell is rotatably provided with a movable wheel through a support, the top of the device shell is provided with a feeding hopper, the top of the feeding hopper is provided with an end cover, the bottom of the device shell is provided with a discharging hole, the inner wall of the bottom of the discharging hole is also provided with a plurality of discharging holes, the outer part of the right side of the device shell is fixedly provided with a first motor, the output end of the first motor is fixedly connected with a rotating shaft, the left end of the rotating shaft penetrates into the device shell and is rotatably arranged on the inner wall of the left side of the device shell, and the rotating shaft is fixedly provided with a plurality of stirring rods;
a second motor is fixedly arranged outside the front side of the device shell and is adjacent to the feed opening, the output end of the second motor rotatably penetrates into the device shell and is fixedly connected with a rotating cylinder, a conical swinging plate is fixedly arranged in the center of the top of the rotating cylinder, swinging type feed adjusting plates are movably arranged on two sides of the bottom of the rotating cylinder, and the two swinging type feed adjusting plates are respectively movably arranged at openings on two sides of the top of the feed opening; the center of the bottom of the rotating cylinder is also fixedly provided with a material stirring swing rod, and the bottom of the material stirring swing rod is movably arranged in the feed opening;
a central shaft is fixedly installed in the rotating cylinder, an installation sleeve is fixedly sleeved on the central shaft, arc-shaped sliding plates are respectively sleeved on two sides of the installation sleeve in a sliding mode along arc tracks, a plurality of external teeth are fixedly connected to the arc outer wall of each arc-shaped sliding plate, the inclined top end of each swing-type blanking adjusting plate movably penetrates into the rotating cylinder and is fixedly connected with an arc-shaped connecting plate, a plurality of internal teeth are fixedly connected to the inner wall of each arc-shaped connecting plate, and the outer side of each arc-shaped sliding plate is in transmission meshing with the internal teeth on the inner side of each arc-shaped connecting plate through the external teeth; third motors which are symmetrically arranged are fixedly installed in the rotating cylinder, driving gears are fixedly sleeved on the output ends of the two third motors respectively, and the arc-shaped sliding plate is in transmission engagement with the driving gears through the external teeth.
As a further optimization, sliding holes are formed in two sides of the bottom of the rotating cylinder, and the swing type blanking adjusting plate penetrates through the sliding holes in a sliding mode along an arc-shaped track.
As a further optimization, an arc-shaped guide rod is fixedly installed in the sliding hole, an arc-shaped guide hole is formed in the swing type blanking adjusting plate, and the swing type blanking adjusting plate is installed on the arc-shaped guide rod in a sliding mode along an arc-shaped track through the arc-shaped guide hole.
As further optimization, the outer walls of the two sides of the mounting sleeve are provided with arc-shaped sliding grooves, the inner sides of the two arc-shaped sliding plates are fixedly connected with arc-shaped sliding blocks, and the arc-shaped sliding blocks are slidably mounted in the arc-shaped sliding grooves along arc tracks.
As further optimization, a plurality of external teeth are arranged on the arc-shaped outer wall of the arc-shaped sliding plate at equal intervals along the arc-shaped track; a plurality of internal teeth are arranged on the inner wall of the arc-shaped connecting plate at equal intervals along the arc-shaped track.
As a further optimization, a bearing is fixedly sleeved on the inner wall of the right side of the device shell, and the rotating shaft is rotatably arranged on the bearing; the device is characterized in that a rotating seat is fixedly mounted on the inner wall of the left side of the shell, and the left end of the rotating shaft is rotatably mounted on the rotating seat.
As a further optimization, a plurality of stirring rods are eccentrically and fixedly arranged on the rotating shaft.
As a further optimization, transparent observation ports are arranged on the front side and the rear side of the device shell; the left side fixed mounting of device casing has the handle, and is provided with the controller on hand, the controller respectively with first motor, second motor and third motor electric control connection.
The beneficial effects of the invention are:
1) The first motor drives the rotating shaft and the stirring rod to rotate, so that the fertilizer can be rotationally stirred, and the influence of accumulation on normal feeding of the fertilizer is avoided; meanwhile, the second motor drives the rotating cylinder to rotate, so that the conical swinging plate, the material stirring swinging rod and the swinging type discharging adjusting plate are driven to rotate simultaneously, and the conical swinging plate swings left and right at the upper part of the opening of the discharging opening, so that the upper part of the opening of the discharging opening can be prevented from being blocked; meanwhile, the fertilizer in the feed opening can be stirred by the left-right swing of the material stirring swing rod in the feed opening, so that the fertilizer is prevented from being blocked in the feed opening;
2) According to the invention, the third motor drives the driving gear to rotate, the driving gear is meshed with external teeth on the arc-shaped sliding plate for transmission when rotating, so that the arc-shaped sliding plate is driven to rotate, and the arc-shaped sliding plate is also meshed with internal teeth on the inner side of the arc-shaped connecting plate for transmission through the external teeth when rotating, so that the two arc-shaped connecting plates can rotate to approach or keep away from each other, and the two arc-shaped connecting plates can also drive the two swing-type blanking adjusting plates to rotate to approach or keep away from each other;
in conclusion, the agricultural machinery cultivation device convenient for blanking has the advantages that the fertilizer has good anti-blocking performance during blanking, the problem that the seeding and fertilizing effects are easily reduced due to fertilizer blocking in the seeding and fertilizing process in the prior art is solved, and the defect that seeds are adversely affected due to the fact that the fertilizer is adhered into a mass is avoided; but also can adjust the fertilizer blanking flow by the fertilizer demand required when different crops are sowed, and has simple structure and convenient adjustment and use.
Drawings
FIG. 1 is a schematic structural view of a cultivation device for agricultural machinery, which facilitates feeding;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a partially enlarged schematic view of the bottom of the housing of the device of the present invention at the feed opening;
FIG. 4 is a schematic structural view of the rotary cylinder in cross section inside the present invention;
FIG. 5 is a schematic structural view of the connection between the swing type blanking adjusting plate and the mounting sleeve;
FIG. 6 is a schematic structural view of the rotary drum, the conical swing plate and the material stirring swing rod of the present invention;
FIG. 7 is a schematic perspective view of the present invention showing the three-dimensional structure of the rotary drum, the conical swing plate, the stirring swing rod and the swing type blanking adjusting plate.
In the figure: 1. a device housing; 101. a support; 102. a moving wheel; 103. a handle; 104. a controller; 105. a transparent viewing port; 106. a feed hopper; 2. a feeding port; 201. a blanking hole; 3. a first motor; 301. a rotating shaft; 302. a stirring rod; 303. a bearing; 304. a rotating seat; 4. a second motor; 5. a rotating cylinder; 501. a slide hole; 6. a conical swing plate; 7. a material stirring swing rod; 8. a swing type blanking adjusting plate; 801. an arc-shaped guide hole; 9. a third motor; 10. a drive gear; 11. a central shaft; 12. installing a sleeve; 13. an arc-shaped sliding plate; 131. external teeth; 14. an arc-shaped connecting plate; 141. internal teeth; 15. an arc-shaped guide rod; 16. an arc-shaped sliding block; 17. an arc chute.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-7, the embodiment provides a cultivation device for agricultural machinery convenient for discharging, which includes a device housing 1, a movable wheel 102 is rotatably mounted at the bottom of the device housing 1 through a support 101, a feeding hopper 106 is arranged at the top of the device housing 1, an end cover is arranged at the top of the feeding hopper 106, a discharging opening 2 is arranged at the bottom of the device housing 1, a plurality of discharging holes 201 are further arranged on the inner wall of the bottom of the discharging opening 2, a first motor 3 is fixedly mounted on the outer portion of the right side of the device housing 1, a rotating shaft 301 is fixedly connected to an output end of the first motor 3, the left end of the rotating shaft 301 penetrates into the device housing 1 and is rotatably mounted on the inner wall of the left side of the device housing 1, and a plurality of stirring rods 302 are fixedly mounted on the rotating shaft 301;
a second motor 4 is fixedly installed on the outer portion of the front side of the device shell 1, the second motor 4 is adjacent to the discharging opening 2, the output end of the second motor 4 rotatably penetrates into the device shell 1 and is fixedly connected with a rotating cylinder 5, a conical swinging plate 6 is fixedly installed in the center of the top of the rotating cylinder 5, swinging type discharging adjusting plates 8 are movably installed on two sides of the bottom of the rotating cylinder 5, and the two swinging type discharging adjusting plates 8 are respectively movably arranged at openings on two sides of the top of the discharging opening 2; the center of the bottom of the rotating cylinder 5 is also fixedly provided with a material stirring swing rod 7, and the bottom of the material stirring swing rod 7 is movably arranged in the feed opening 2;
a central shaft 11 is fixedly installed in the rotating cylinder 5, a mounting sleeve 12 is fixedly sleeved on the central shaft 11, arc-shaped sliding plates 13 are respectively sleeved on two sides of the mounting sleeve 12 in a sliding manner along an arc-shaped track, a plurality of external teeth 131 are fixedly connected to the arc-shaped outer walls of the arc-shaped sliding plates 13, the inclined top end of the swing-type blanking adjusting plate 8 movably penetrates into the rotating cylinder 5 and is fixedly connected with an arc-shaped connecting plate 14, a plurality of internal teeth 141 are fixedly connected to the inner wall of the arc-shaped connecting plate 14, and the outer side of the arc-shaped sliding plate 13 is in transmission engagement with the internal teeth 141 on the inner side of the arc-shaped connecting plate 14 through the external teeth 131; the third motors 9 which are symmetrically arranged are fixedly installed in the rotating cylinder 5, the output ends of the two third motors 9 are respectively and fixedly sleeved with the driving gear 10, and the arc-shaped sliding plate 13 is in transmission meshing with the driving gear 10 through the external teeth 131.
In this example, sliding holes 501 are formed in both sides of the bottom of the rotating cylinder 5, and the swing type blanking adjusting plate 8 penetrates through the sliding holes 501 along an arc-shaped track in a sliding manner; an arc-shaped guide rod 15 is fixedly installed in the sliding hole 501, an arc-shaped guide hole 801 is formed in the swing type blanking adjusting plate 8, and the swing type blanking adjusting plate 8 is installed on the arc-shaped guide rod 15 in a sliding mode along an arc-shaped track through the arc-shaped guide hole 801.
In this example, arc-shaped sliding grooves 17 are formed in the outer walls of the two sides of the mounting sleeve 12, arc-shaped sliding blocks 16 are fixedly connected to the inner sides of the two arc-shaped sliding plates 13, and the arc-shaped sliding blocks 16 are slidably mounted in the arc-shaped sliding grooves 17 along an arc-shaped track.
In this example, a plurality of outer teeth 131 are disposed on the arc-shaped outer wall of the arc-shaped sliding plate 13 at equal intervals along the arc-shaped trajectory; the plurality of internal teeth 141 are arranged on the inner wall of the arc-shaped connecting plate 14 at equal intervals along the arc-shaped track.
In this example, a bearing 303 is fixedly sleeved on the inner wall of the right side of the device shell 1, and the rotating shaft 301 is rotatably mounted on the bearing 303; a rotating seat 304 is fixedly installed on the inner wall of the left side of the device housing 1, and the left end of the rotating shaft 301 is rotatably installed on the rotating seat 304.
In this example, a plurality of stirring rods 302 are eccentrically fixed to the rotating shaft 301; transparent observation ports 105 are arranged on the front side and the rear side of the device shell 1; the left side fixed mounting of device casing 1 has handle 103, and is provided with controller 104 on the handle 103, controller 104 respectively with first motor 3, second motor 4 and third motor 9 electric control connection.
The working principle is as follows: when the fertilizer in the device shell 1 is sown and discharged, the rotating shaft 301 is driven to rotate through the first motor 3, and then the stirring rod 302 is driven to rotate, so that the fertilizer can be rotationally stirred, and the normal discharging of the fertilizer is prevented from being influenced due to accumulation; meanwhile, the output end of the second motor 4 drives the rotating cylinder 5 to rotate, and the rotating cylinder 5 drives the conical swinging plate 6, the material stirring swinging rod 7 and the swinging type discharging adjusting plate 8 to rotate when rotating, so that the fertilizer at the opening at the top of the discharging opening 2 can be further swung back and forth, and the situation that the fertilizer is easily blocked at the discharging opening 2 can be further prevented; and at the moment, the conical swinging plate 6 swings left and right at the upper part of the opening of the feed opening 2, so that the situation that the upper part of the opening of the feed opening 2 is blocked can be prevented; meanwhile, the fertilizer in the feed opening 2 can be stirred through the left-right swing of the material stirring swing rod 7 in the feed opening 2, so that the fertilizer is prevented from being blocked in the feed opening 2; finally, the fertilizer feeding device has good anti-blocking performance during fertilizer feeding, solves the problem that the seeding and fertilizing effects are easily reduced due to fertilizer blocking in the seeding and fertilizing process in the prior art, and also avoids the defect that seeds are adversely affected due to the fact that the fertilizers are adhered into a group. In addition, in the invention, the blanking flow of the fertilizer can be adjusted according to actual needs, that is, the third motors 9 on two sides work simultaneously to drive the two driving gears 10 to rotate, the driving gears 10 are meshed with the external teeth 131 on the arc-shaped sliding plate 13 for transmission when rotating, so as to drive the arc-shaped sliding plate 13 to rotate, the arc-shaped sliding plate 13 is also meshed with the internal teeth 141 on the inner side of the arc-shaped connecting plate 14 for transmission through the external teeth 131 when rotating, so that the two arc-shaped connecting plates 14 can rotate close to or away from each other, the two arc-shaped connecting plates 14 can rotate to drive the two swing-type blanking adjusting plates 8 to rotate close to or away from each other, when the two swing-type blanking adjusting plates 8 rotate close to each other, the blanking flow at the opening at the top of the blanking opening 2 can be adjusted to be larger, and vice versa; finally, the fertilizer flow can be adjusted according to the fertilizer requirements needed by seeding of different crops, and the fertilizer flow adjusting device is simple in structure and convenient to adjust and use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A cultivation device convenient for discharging for agricultural machinery comprises a device shell (1), wherein the bottom of the device shell (1) is rotatably provided with a movable wheel (102) through a support (101), the top of the device shell (1) is provided with a feed hopper (106), the top of the feed hopper (106) is provided with an end cover, the bottom of the device shell (1) is provided with a discharge opening (2), and the inner wall of the bottom of the discharge opening (2) is also provided with a plurality of discharging holes (201), and the cultivation device is characterized in that the outer part of the right side of the device shell (1) is fixedly provided with a first motor (3), the output end of the first motor (3) is fixedly connected with a rotating shaft (301), the left end of the rotating shaft (301) penetrates into the device shell (1) and is rotatably arranged on the inner wall of the left side of the device shell (1), and the rotating shaft (301) is fixedly provided with a plurality of stirring rods (302);
a second motor (4) is fixedly mounted on the outer portion of the front side of the device shell (1), the second motor (4) is adjacent to the discharging opening (2), the output end of the second motor (4) rotatably penetrates into the device shell (1) and is fixedly connected with a rotating cylinder (5), a conical swinging plate (6) is fixedly mounted in the center of the top of the rotating cylinder (5), swinging type discharging adjusting plates (8) are movably mounted on two sides of the bottom of the rotating cylinder (5), and the two swinging type discharging adjusting plates (8) are movably arranged at openings in two sides of the top of the discharging opening (2); the center of the bottom of the rotating cylinder (5) is also fixedly provided with a material stirring swing rod (7), and the bottom of the material stirring swing rod (7) is movably arranged in the feed opening (2);
a central shaft (11) is fixedly installed in the rotating cylinder (5), a mounting sleeve (12) is fixedly sleeved on the central shaft (11), arc-shaped sliding plates (13) are respectively sleeved on two sides of the mounting sleeve (12) in a sliding mode along arc-shaped tracks, a plurality of external teeth (131) are fixedly connected to the outer circular wall of each arc-shaped sliding plate (13), the inclined top end of each swing-type blanking adjusting plate (8) movably penetrates into the rotating cylinder (5) and is fixedly connected with an arc-shaped connecting plate (14), a plurality of internal teeth (141) are fixedly connected to the inner wall of each arc-shaped connecting plate (14), and the outer side of each arc-shaped sliding plate (13) is in transmission meshing with the internal teeth (141) on the inner side of each arc-shaped connecting plate (14) through the external teeth (131); the rotating cylinder (5) is internally and fixedly provided with third motors (9) which are symmetrically arranged, the output ends of the two third motors (9) are respectively fixedly sleeved with a driving gear (10), and the arc-shaped sliding plate (13) is in transmission engagement with the driving gear (10) through external teeth (131).
2. The agricultural machinery cultivation device convenient for blanking of claim 1, wherein the rotary drum (5) is provided with sliding holes (501) on both sides of the bottom, and the swing type blanking adjusting plate (8) slides through the sliding holes (501) along an arc-shaped track.
3. The agricultural machinery cultivation device convenient for blanking as claimed in claim 2, wherein the sliding hole (501) is fixedly provided with an arc-shaped guide rod (15), the swing type blanking adjusting plate (8) is provided with an arc-shaped guide hole (801), and the swing type blanking adjusting plate (8) is slidably arranged on the arc-shaped guide rod (15) along an arc-shaped track through the arc-shaped guide hole (801).
4. The agricultural machinery cultivation device convenient for blanking of claim 1, wherein the mounting sleeve (12) is provided with arc-shaped sliding grooves (17) on the outer walls of both sides, the inner sides of the two arc-shaped sliding plates (13) are fixedly connected with arc-shaped sliding blocks (16), and the arc-shaped sliding blocks (16) are slidably mounted in the arc-shaped sliding grooves (17) along an arc-shaped track.
5. The agricultural machinery cultivation device convenient for blanking of claim 1, wherein a plurality of external teeth (131) are arranged on the arc-shaped outer wall of the arc-shaped sliding plate (13) at equal intervals along an arc-shaped track; the internal teeth (141) are arranged on the inner wall of the arc-shaped connecting plate (14) at equal intervals along the arc-shaped track.
6. The agricultural machinery cultivation device convenient for blanking as claimed in claim 1, wherein the right inner wall of the device housing (1) is fixedly sleeved with a bearing (303), and the rotating shaft (301) is rotatably mounted on the bearing (303); a rotating seat (304) is fixedly installed on the inner wall of the left side of the device shell (1), and the left end of the rotating shaft (301) is rotatably installed on the rotating seat (304).
7. A readily-baitable agricultural-machinery tilling device according to claim 1, wherein a plurality of stirring rods (302) are eccentrically mounted and fixed on the rotary shaft (301).
8. The agricultural machinery cultivation device convenient for blanking of claim 1, wherein the device housing (1) is provided with transparent viewing ports (105) at the front and rear sides; the left side fixed mounting of device casing (1) has handle (103), and is provided with controller (104) on handle (103), controller (104) respectively with first motor (3), second motor (4) and third motor (9) electric control connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210649478.1A CN114793576B (en) | 2022-06-09 | 2022-06-09 | Agricultural machine is with device of ploughing convenient to unloading |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210649478.1A CN114793576B (en) | 2022-06-09 | 2022-06-09 | Agricultural machine is with device of ploughing convenient to unloading |
Publications (2)
| Publication Number | Publication Date |
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| CN114793576A CN114793576A (en) | 2022-07-29 |
| CN114793576B true CN114793576B (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210649478.1A Active CN114793576B (en) | 2022-06-09 | 2022-06-09 | Agricultural machine is with device of ploughing convenient to unloading |
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| CN (1) | CN114793576B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116058143B (en) * | 2023-04-06 | 2023-07-07 | 安徽农业大学 | Anti-blocking type intelligent fertilizer applying device for fertilizer |
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| CN110235579A (en) * | 2019-07-01 | 2019-09-17 | 苏州知遇光电科技有限公司 | A kind of agricultural automation tumbrel |
| CN110935632A (en) * | 2019-12-27 | 2020-03-31 | 陆凯 | Cereal dust pelletizing system |
| CN113601710A (en) * | 2021-06-30 | 2021-11-05 | 桐乡市钟大建材有限公司 | Concrete trial-production processing device |
| CN113692831A (en) * | 2021-08-26 | 2021-11-26 | 郑州西格罗丁电子科技有限公司 | Fertilizing device with liquid fertilizer slow-release function |
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| GB191311155A (en) * | 1913-05-13 | 1914-04-23 | Thomas Bell Anderson | Potato Planting Machine. |
| GB448691A (en) * | 1934-10-11 | 1936-06-11 | Louis Hirschhorn | Mechanism for filling a bag-like receptacle with a substance such as tea or coffee |
| GB583100A (en) * | 1944-06-12 | 1946-12-09 | Graham John Webster | Improvements in or relating to seed sowing apparatus |
| GB1177911A (en) * | 1968-01-23 | 1970-01-14 | Samuel Vincent Cravens | Material-Suspending Air Current Differential Density Segregating Apparatus |
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|---|---|
| CN114793576A (en) | 2022-07-29 |
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