CN119096769A - Small-grain seed precision seeder and use method thereof - Google Patents
Small-grain seed precision seeder and use method thereof Download PDFInfo
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- CN119096769A CN119096769A CN202411594952.0A CN202411594952A CN119096769A CN 119096769 A CN119096769 A CN 119096769A CN 202411594952 A CN202411594952 A CN 202411594952A CN 119096769 A CN119096769 A CN 119096769A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 29
- 238000009331 sowing Methods 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010899 nucleation Methods 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/18—Machines for depositing quantities of seed at intervals
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention discloses a small-particle seed precision planter and a use method thereof, and relates to the field of sowing devices. The small-particle seed precision planter comprises a planter shell, a hopper shell, a plurality of seed metering devices and a plurality of seed metering devices, wherein the hopper shell is fixedly connected in the planter shell, and a discharge hole is formed in the bottom of the hopper shell; the seed outlet device is connected with the funnel shell, and a plurality of groups of seed outlet holes are annularly arranged on the seed outlet device and used for discharging seeds in the funnel shell; the invention can make the inner diameter of the seed outlet continuously change through the arrangement of the expansion air bag, and then make the seed continuously switch between vertical and inclined states, effectively avoid the seed to block up in the seed outlet horizontally, and meanwhile, the seed is switched between inclined and vertical states, can make the space between the seeds smaller, and then make the quantity of the seed discharged from the seed outlet as consistent as possible, facilitate the use of precision seeding.
Description
Technical Field
The invention belongs to the technical field of sowing devices, and particularly relates to a small-particle seed precision sowing machine and a using method thereof.
Background
When the seeds are planted, the seeds need to be sowed, and the subsequent cultivation and maintenance operation can be performed, so that the sowing is one of important conditions of agricultural production, and the conventional agricultural seed sowing mode adopts a vibration sieve or air suction vibration mode, so that the seeds enter the sowing device and are discharged from a seed outlet hole of the sowing device, and further the sowing is realized.
However, when the conventional device is used, the situation that seeds are blocked in the seed outlet hole of the seeding device is easy to occur, particularly, some elliptic seeds such as wheat and oat are extremely easy to block in the seed outlet hole of the seeding device, so that the follow-up seeds cannot be discharged, the follow-up precision seeding is affected, and certain defects exist.
Disclosure of Invention
The technical problem to be solved by the present invention is to overcome the disadvantages of the prior art and to provide a seeding device which overcomes or at least partially solves the above problems.
In order to solve the technical problems, the technical scheme adopted by the invention has the basic conception that the small-particle seed precision planter comprises a planter shell and further comprises:
The hopper shell is fixedly connected in the seeder shell, and a discharge hole is formed in the bottom of the hopper shell;
the seed discharging device is connected with the funnel shell, and a plurality of groups of seed discharging holes are annularly arranged on the seed discharging device and used for discharging seeds in the funnel shell;
The electronic valve is arranged at the discharge end of the seed outlet hole of the seed outlet device;
The expansion air bag is connected in the seed outlet hole of the seed outlet device, and the inner diameter of the seed outlet hole is reduced after the expansion air bag is expanded;
the pressure relief pipe is connected to the expansion air bag, a control valve is arranged in the pressure relief pipe, and the pressure relief pipe is used for discharging gas in the expansion air bag;
the air pump is fixedly connected in the seeder shell, the air outlet end of the air pump is connected with an air outlet pipe, the air outlet end of the air outlet pipe is connected with a plurality of groups of connecting pipes, a control valve is arranged in each connecting pipe, and the connecting pipes are connected with the expansion air bags and are used for supplying air into the expansion air bags;
The baffle rotates to be connected on the play kind ware, be provided with multiunit mounting groove on the baffle, the mounting groove is connected with altitude sensor in, and when the baffle rotated, the baffle can remove to some play kind downthehole top, blocks that the seed in the funnel shell from continuing to get into by the play kind downthehole that shelters from thereupon, and the baffle can remove altitude sensor to play kind downthehole top simultaneously, through the seed altitude in the play kind downthehole of altitude sensor perception, after the altitude reaches the requirement, just open the electronic valve in play kind downthehole, discharge the seed that piles up in the play kind downthehole, accomplish the seeding.
In order to enable seeds to flow, a motor is fixedly connected to the seeder shell, a rotating shaft is fixedly connected to the output end of the motor, a stirring auger is fixedly connected to the rotating shaft and used for stirring seeds in the seeder shell, seeds are enabled to flow, and the seeds can conveniently enter a seed outlet hole of the seed outlet device.
Further, the stirring auger is arranged in an inverted conical shape.
In order to supply the air bag in the rotating process, one end of the rotating shaft, which is far away from the motor, is connected with a rotating connector, the air inlet end of the rotating connector is connected with the air outlet end of the air outlet pipe, and the rotating connector is used for supplying air to the air bag in the rotating process.
Further, the baffle is fixedly connected to the rotary connector.
In order to promote the quick discharge of seed, still further, fixedly connected with high-pressure shower nozzle in the mounting groove of baffle, high-pressure shower nozzle's inlet end is connected with the outlet duct, and high-pressure shower nozzle is used for injecting high-pressure gas to the play seed downthehole that the seed height reached standard, promotes the quick discharge of seed.
Still further, be provided with the arc wall in the seeder casing, fixedly connected with piston spare on the axis of rotation, after piston spare and the contact of arc wall, can be continuous to outside exhaust gas, be provided with multiunit gas outlet on the stirring auger, the gas outlet is connected with the end of giving vent to anger of piston spare.
In order to stir the seeds, the piston member comprises a piston cylinder, a piston rod and a spring member, wherein the piston cylinder is fixedly connected to the rotating shaft, the piston rod is slidably connected in the piston cylinder, one end of the piston rod penetrates through the piston cylinder and abuts against the arc-shaped wall, two ends of the spring member abut against the piston cylinder and the piston rod respectively and are used for resetting the piston rod, an air inlet and an air exhaust pipe are arranged on the piston cylinder, and the air exhaust pipe is communicated with the air outlet.
Further, the air inlet and the exhaust pipe are internally provided with one-way valves.
The application method of the small-particle seed precision planter comprises the following operation steps:
firstly, pouring seeds into a seeder shell, starting a motor and an air pump to enable a baffle to rotate, and simultaneously expanding an expansion air bag to expand continuously, and then shrinking to avoid the seeds from blocking a seed outlet;
step two, continuously sensing the height of seed accumulation in the seed holes through a height sensor until the proper height is reached;
step three, opening an electronic valve, spraying high-pressure gas through a high-pressure spray nozzle to promote seeds to be rapidly discharged out of the seed outlet hole, completing precise sowing, and enabling the seeds to enter the seed outlet hole again;
And step four, after sowing is completed, the motor and the air pump are turned off.
By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that the inner diameter of the seed outlet hole can be continuously changed through the arrangement of the expansion air bag, so that seeds can be continuously switched between the vertical state and the inclined state, the seeds can be effectively prevented from being blocked in the seed outlet hole transversely, and meanwhile, the gaps among the seeds can be smaller through switching the seeds between the inclined state and the vertical state, so that the quantity of the seeds discharged from the seed outlet hole is as consistent as possible, and the precision seeding is convenient to use.
Drawings
In the drawings:
FIG. 1 is a schematic diagram of a precision planter for small particle seeds according to the present invention;
Fig. 2 is a schematic diagram II of a precision planter for small particle seeds according to the present invention;
FIG. 3 is a schematic top view of a precision planter for small particle seeds according to the present invention;
FIG. 4 is a schematic cross-sectional view of a small particle seed precision planter in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the small particle seed precision planter of FIG. 4 in part A;
FIG. 6 is a schematic view of the structure of part B in FIG. 4 of a small particle seed precision planter according to the present invention;
FIG. 7 is a schematic view of the structure of part C in FIG. 6 of a precision planter for small granular seeds according to the present invention;
FIG. 8 is a schematic view of a seed extractor of a precision planter for small granular seeds according to the present invention;
FIG. 9 is a schematic diagram II of a seed extractor of a precision planter for small granular seeds according to the present invention;
Fig. 10 is a schematic structural view of a baffle plate in a small particle seed precision planter according to the present invention.
1, A seeder shell, 101, a hopper shell, 102, an arc wall, 103, a motor, 104, a stirring auger, 1041, an air outlet, 105, a rotary connector, 106, a baffle, 107, a high-pressure nozzle, 201, a piston cylinder, 202, a piston rod, 203, a spring piece, 204, an exhaust pipe, 3, a seed extractor, 301, an electronic valve, 302, an expansion air bag, 303, a pressure relief pipe, 4, an air pump, 401, an air outlet pipe, 402, a connecting pipe and 5, a height sensor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
The embodiment 1 refers to fig. 1,4, 6, 7, 8, 9 and 10, and a small-particle seed precision planter comprises a planter shell 1, a hopper shell 101, a hopper shell and a discharge hole, wherein the hopper shell 101 is fixedly connected in the planter shell 1; the seed discharging device 3 is connected to the funnel shell 101, and a plurality of groups of seed discharging holes are annularly arranged on the seed discharging device 3 and used for discharging seeds in the funnel shell 101; the electronic valve 301 is arranged on the discharge end of the seed outlet hole of the seed outlet device 3; the seed sowing device comprises a seed sowing device, an expansion air bag 302, a pressure relief pipe 303, an air pump 4, a plurality of groups of connecting pipes 402, a baffle plate 106, a plurality of groups of mounting grooves, a height sensor 5, a height sensor 106 and an electronic stacking device, wherein the inner diameter of the seed sowing hole is reduced after the expansion air bag 302 is connected to a seed sowing hole of the seed sowing device 3, the pressure relief pipe 303 is connected to the expansion air bag 302, a control valve is arranged in the pressure relief pipe 303, the pressure relief pipe 303 is used for discharging air in the expansion air bag 302, the air pump 4 is fixedly connected to a seeder shell 1, an air outlet pipe 401 is connected to an air outlet end of the air pump 4, a plurality of groups of connecting pipes 402 are connected to an air outlet end of the air outlet pipe 401, the connecting pipes 402 are provided with control valves, the connecting pipes 402 are connected with the expansion air bag 302, the baffle plate 106 is rotatably connected to the seed sowing device 3, a plurality of groups of mounting grooves are formed in the baffle plate 106, the mounting grooves are internally connected with the height sensor 5, when the baffle plate 106 rotates, the baffle plate 106 moves to the position above a part of the seed sowing hole, seeds in the hopper shell 101 continue to enter the shielded seed sowing hole, the height sensor 5, the height sensor is moved above the seed sowing hole, the height sensor 5 senses the height of the seed sowing hole, and the height after the height sensor is opened, and the height reaches the seed sowing hole.
When the device is used, seeds to be sown are poured into the seeder shell 1, the seeder shell 1 is connected with transport equipment, so that the seeder shell 1 can move at a constant speed in a region to be planted, then the air pump 4 can be started, the air pump 4 can continuously inject air into the expansion air bag 302, but the amount of air discharged by the pressure release pipe 303 on the expansion air bag 302 is larger than that of air discharged by the air pump 4 into the expansion air bag 302, at the moment, the expansion air bag 302 continuously expands and then contracts under the action of the pressure release pipe 303, and in this way, when the expansion air bag 302 contracts, the inner diameter of a seed outlet hole on the seed discharger 3 is larger, seeds can fall into the expansion air bag 302 in an inclined mode and then are accumulated in the seed outlet hole, and because the expansion air bag 302 continuously expands and contracts, the air can be directly discharged out of the seed discharger 3 through the pressure release pipe 303, if a special air outlet port is formed at the bottom of the seed discharger 3, the seeds can continuously change, and then the seeds can fall into a gap between the lower parts under the action of the pressure release pipe 303, and the condition that the seeds can be continuously and continuously discharged in a vertical state can be avoided when the seed outlet valve 301 is opened, and the seed is in a vertical state is in the subsequent state;
The baffle 106 continuously rotates slowly, so that the baffle 106 continuously shields the seed outlet holes and leaks part of the seed outlet holes, when the baffle is shielded, seeds cannot enter the seed outlet holes, the seeds in the seed outlet holes cannot be increased, meanwhile, the height sensor 5 in the mounting groove moves to the seed outlet holes to detect the number of the seeds in the seed outlet holes, and the expansion air bag 302 is still in a continuously contracted and expanded state, so that the condition that the heights of the seeds are changed exists, an intermediate value can be adopted, namely, when the height sensor 5 is positioned above the seed outlet holes, the data in the seed outlet holes below can be collected and transmitted into the chip, the data are recorded and the intermediate value is removed, and after the requirement is met, the electronic valve 301 below the seed outlet holes can be opened, and the seeds are discharged.
After some seeds in the seed outlet holes reach a proper height, the rotation direction of the baffle 106 is determined, so that the seeds are to be exposed to the outside, the seed outlet holes of the seeds in contact with the outside seeds are discharged preferentially, after a period of time, the seeds are continuously discharged from the rest seed outlet holes, if a plurality of seed outlet holes reach a proper range and cannot be completely discharged at one time, the seeds continue to rotate, and the seeds are left to be discharged next time, wherein the seeding density can be controlled by the number of the seed outlet holes at one time, and further, the precision seeding is realized.
Embodiment 2 referring to fig. 1, 2 and 4, the small-particle seed precision planter is basically the same as embodiment 1, and further comprises a motor 103 fixedly connected to a planter shell 1, a rotating shaft fixedly connected to an output end of the motor 103, and a stirring auger 104 fixedly connected to the rotating shaft, wherein the stirring auger 104 is used for stirring seeds in the planter shell 1, so that the seeds flow, the seeds can conveniently enter a seed outlet hole of the seed outlet device 3, and the stirring auger 104 is in an inverted conical shape.
When the device is used, seeds to be sowed are poured into the seeder shell 1, the seeder shell 1 is connected with transport equipment, the seeder shell 1 can move at a constant speed in a region to be planted, then the air pump 4 can be started, the air pump 4 can continuously inject air into the expansion air bag 302, but the amount of air discharged by the pressure release pipe 303 on the expansion air bag 302 is larger than that of air injected by the air pump 4 into the expansion air bag 302, at the moment, the expansion air bag 302 is continuously expanded under the action of the pressure release pipe 303, and then is reduced, so that the seeds can be circulated, when the expansion air bag 302 is reduced, the inner diameter of a seed outlet hole on the seed discharger 3 is larger, seeds can fall into the expansion air bag 302 in a tilting mode and are further stacked in the seed outlet hole, because the expansion air bag 302 continuously expands and reduces, the air can be discharged outwards through the pressure release pipe 303, and can be directly discharged out of the seed discharger 3, if a special air outlet port is formed in the bottom of the seed discharger 3, the seeds can continuously change, then the seeds can fall into a gap between the bottom of the seed discharger 302, the seed can be smoothly discharged through the stirring air pump, and the subsequent stirring valve 104 can be conveniently opened, and the subsequent stirring air pump is gradually can be opened, and the stirring device is conveniently and the stirring auger is turned down in a state of the air pump is opened when the auger is opened, and the stirring device is gradually and the seed is opened, and the seed is opened.
1-10, The small particle seed precision planter is basically the same as embodiment 2, and further, one end of a rotating shaft far away from a motor 103 is connected with a rotary connector 105, an air inlet end of the rotary connector 105 is connected with an air outlet end of an air outlet pipe 401, the rotary connector 105 is used for supplying air to an expansion air bag 302 in the rotating process, a baffle 106 is fixedly connected to the rotary connector 105, a high-pressure spray head 107 is fixedly connected in a mounting groove of the baffle 106, an air inlet end of the high-pressure spray head 107 is connected with the air outlet pipe 401, the high-pressure spray head 107 is used for injecting high-pressure air into a seed outlet hole reaching the height of the seed, rapid discharge of the seed is promoted, an arc-shaped wall 102 is arranged in a planter shell 1, a piston member is fixedly connected to the rotating shaft, the piston member is continuously discharged to the outside after contacting the arc-shaped wall 102, a plurality of groups of air outlets 1041 are arranged on a stirring auger 104, and the air outlets 1041 are connected with the air outlet ends of the piston member.
After the height is detected by the height sensor 5 through the high-pressure spray head 107, the high-pressure spray head 107 can be used for opening the electronic valve 301 in the seed outlet hole to quickly discharge the seeds, wherein the expansion air bag 302 can be in a contracted state so that the seeds in the expansion air bag 302 can not be extruded, namely, a plurality of gaps are reserved between the seeds, and the seeds can be smoothly discharged.
Embodiment 4 referring to fig. 3, 4 and 5, the small particle seed precision planter is basically the same as embodiment 3, further, the piston member comprises a piston cylinder 201, a piston rod 202 and a spring member 203, wherein the piston cylinder 201 is fixedly connected on a rotating shaft, the piston rod 202 is slidably connected in the piston cylinder 201, one end of the piston rod 202 penetrates through the piston cylinder 201 and abuts against the arc-shaped wall 102, two ends of the spring member 203 abut against the piston cylinder 201 and the piston rod 202 respectively for resetting the piston rod 202, an air inlet and an air outlet 204 are arranged on the piston cylinder 201, the air outlet 1041 is communicated with the air outlet 204, and one-way valves are arranged in the air inlet and the air outlet 204.
When the rotating shaft rotates, the piston member continuously sucks external gas, the gas is enabled to enter the stirring auger 104, the gas is enabled to be continuously discharged through the gas outlet 1041 of the stirring auger 104, seeds in the seeder shell 1 are further blown, the seeds are enabled to be looser, meanwhile, when the piston member rotates on the rotating shaft, certain knocking vibration can be generated, the seeds can be enabled to smoothly enter the seed outlet hole of the seed outlet device 3, and the seeds are conveniently discharged.
Embodiment 5 referring to FIGS. 1-10, substantially the same as embodiment 4, further a method of using a small particle seed precision planter, comprising a small particle seed precision planter comprising the steps of:
step one, pouring seeds into a seeder shell 1, starting a motor 103 and an air pump 4 to enable a baffle 106 to rotate, and simultaneously continuously expanding an expansion air bag 302 and then shrinking to avoid the seeds from being blocked in a seed outlet;
step two, continuously sensing the height of seed accumulation in the seed holes through a height sensor 5 until the proper height is reached;
Step three, opening an electronic valve 301, spraying high-pressure gas through a high-pressure spray nozzle 107 to promote seeds to rapidly discharge out of the seed outlet holes, completing precise sowing, and then enabling the seeds to enter the seed outlet holes again;
and step four, after sowing is completed, the motor 103 and the air pump 4 are turned off.
According to the invention, through the arrangement of the expansion air bag 302, the inner diameter of the seed outlet hole can be continuously changed, so that seeds are continuously switched between the vertical state and the inclined state, the seeds are effectively prevented from being blocked in the seed outlet hole transversely, meanwhile, the seeds are switched between the inclined state and the vertical state, gaps among the seeds are smaller, the quantity of the seeds discharged from the seed outlet hole is as consistent as possible, and the precision seeding is convenient.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411594952.0A CN119096769A (en) | 2024-11-11 | 2024-11-11 | Small-grain seed precision seeder and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411594952.0A CN119096769A (en) | 2024-11-11 | 2024-11-11 | Small-grain seed precision seeder and use method thereof |
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| Publication Number | Publication Date |
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| CN119096769A true CN119096769A (en) | 2024-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202411594952.0A Pending CN119096769A (en) | 2024-11-11 | 2024-11-11 | Small-grain seed precision seeder and use method thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060113192A1 (en) * | 2003-01-23 | 2006-06-01 | Keiichi Kurashina | Plating device and planting method |
| CN108718561A (en) * | 2018-04-28 | 2018-11-02 | 贵州凤冈苗侗百草医药发展有限公司 | Radix Astragali seeder |
| CN111532605A (en) * | 2020-06-24 | 2020-08-14 | 金精 | Dampproofing storage device of ventilative formula in crops seed |
| WO2021205267A1 (en) * | 2020-04-06 | 2021-10-14 | Precision Planting Llc | Row cleaner with wheel |
| CN114568162A (en) * | 2022-03-04 | 2022-06-03 | 黄河水利职业技术学院 | Real standard teaching base forest maintenance device of tourism |
| CN115104389A (en) * | 2022-05-24 | 2022-09-27 | 河南科技大学 | Self-propelled potato mini-type seeder |
| CN117259207A (en) * | 2023-11-20 | 2023-12-22 | 武威豪威田园种业有限责任公司 | Adjustable corn seed sieving mechanism |
| CN221409740U (en) * | 2023-12-27 | 2024-07-26 | 佳木斯骥驰拖拉机制造有限公司 | Seed device is thrown to seeder air-blowing |
| CN221863527U (en) * | 2024-02-03 | 2024-10-22 | 碱蓬先创科技(盘锦)有限公司 | A sowing mechanism of land restoration equipment |
-
2024
- 2024-11-11 CN CN202411594952.0A patent/CN119096769A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060113192A1 (en) * | 2003-01-23 | 2006-06-01 | Keiichi Kurashina | Plating device and planting method |
| CN108718561A (en) * | 2018-04-28 | 2018-11-02 | 贵州凤冈苗侗百草医药发展有限公司 | Radix Astragali seeder |
| WO2021205267A1 (en) * | 2020-04-06 | 2021-10-14 | Precision Planting Llc | Row cleaner with wheel |
| CN111532605A (en) * | 2020-06-24 | 2020-08-14 | 金精 | Dampproofing storage device of ventilative formula in crops seed |
| CN114568162A (en) * | 2022-03-04 | 2022-06-03 | 黄河水利职业技术学院 | Real standard teaching base forest maintenance device of tourism |
| CN115104389A (en) * | 2022-05-24 | 2022-09-27 | 河南科技大学 | Self-propelled potato mini-type seeder |
| CN117259207A (en) * | 2023-11-20 | 2023-12-22 | 武威豪威田园种业有限责任公司 | Adjustable corn seed sieving mechanism |
| CN221409740U (en) * | 2023-12-27 | 2024-07-26 | 佳木斯骥驰拖拉机制造有限公司 | Seed device is thrown to seeder air-blowing |
| CN221863527U (en) * | 2024-02-03 | 2024-10-22 | 碱蓬先创科技(盘锦)有限公司 | A sowing mechanism of land restoration equipment |
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