CN115589814A - Rice dry direct seeding outer fluted wheel type seed sowing device based on image recognition - Google Patents
Rice dry direct seeding outer fluted wheel type seed sowing device based on image recognition Download PDFInfo
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- CN115589814A CN115589814A CN202211417111.3A CN202211417111A CN115589814A CN 115589814 A CN115589814 A CN 115589814A CN 202211417111 A CN202211417111 A CN 202211417111A CN 115589814 A CN115589814 A CN 115589814A
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- seed sowing
- filling
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- 238000009331 sowing Methods 0.000 title claims abstract description 75
- 238000010899 nucleation Methods 0.000 title claims abstract description 33
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 28
- 235000009566 rice Nutrition 0.000 title claims abstract description 28
- 240000007594 Oryza sativa Species 0.000 title abstract 2
- 238000007599 discharging Methods 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 21
- 241000209094 Oryza Species 0.000 claims description 26
- 238000005429 filling process Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
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Classifications
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- 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
-
- 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
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention relates to a rice dry direct seeding outer fluted-wheel type seed sowing device based on image recognition, which belongs to the technical field of agricultural machinery and comprises a mechanical system; the image recognition system is arranged on the mechanical system and is used for recognizing the seed discharging groove which is not filled with seeds; the seed charging system is arranged on the mechanical system and is used for filling the seed discharging groove which is not charged; the time delay device is arranged in the electric cabinet and used for adjusting the time delay time required under different rotation speeds of the seeding shaft; and the controller is arranged in the electric cabinet and is connected with the image recognition system and the seed filling system. The invention captures the conditions in the seed sowing groove through the camera, controls the working state of the seed filling system and the suction force at the inlet of the seed filling pipeline through the electromagnetic valve, realizes the matching form of image recognition and electromagnetic valve control, improves the adaptability of the seed sowing device, realizes the uniform and stable sowing quantity of small-sized seeds, and avoids the condition of missed sowing in the working process.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a rice dry direct seeding outer fluted-wheel type seed sowing device based on image recognition.
Background
The seed sowing device is used as a core component of a dry direct rice seeding machine, the performance of the seed sowing device is directly related to the seeding working quality, and the satisfaction degree of the seed sowing machine to the agricultural technical requirements depends on the working condition of the seed sowing device to a great extent.
At present, common seed sowing devices are divided into two categories, namely drill seed sowing devices and hill seed sowing devices according to sowing modes. The external fluted-wheel seed sowing device is widely applied due to simple structure, easy manufacture, wide universality and convenient adjustment, but has poor stability of sowing quantity in the working process, pulsation phenomenon of seed sowing, influence on uniformity and frequent missed sowing condition. Therefore, the outer fluted-wheel type seeding device for the dry direct seeding of the rice based on the image recognition is provided, which aims at the problems of poor stability, fluctuation of uniformity and missed seeding in the seeding process.
Disclosure of Invention
The invention aims to provide an outer fluted-wheel type seed sowing device for dry direct seeding of rice based on image recognition, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an outer sheave formula seed metering ware of direct seeding of rice drought based on image recognition includes:
a mechanical system;
the image recognition system is arranged on the mechanical system and used for recognizing the seed discharging groove which is not filled with seeds;
the seed charging system is arranged on the mechanical system and is used for filling the seed discharging groove which is not charged;
and the controller is connected with the image recognition system and the seed filling system and is used for improving the adaptability of the seed sowing device, realizing the uniform and stable sowing quantity of the small-sized seeds and avoiding the condition of missed sowing in the working process.
As a further technical aspect of the present invention, the mechanical system includes:
a housing;
and the seed sowing device is arranged in the shell through a seed sowing shaft.
As a further technical solution of the present invention, the image recognition system includes:
the camera fixing frame is arranged in the shell;
the camera is arranged on the camera fixing frame and is right opposite to the center of the seed discharging groove and used for shooting the seed charging condition in the seed discharging groove;
the safety cover is installed the camera is outside for avoid the seed to pile up and influence the camera and shoot.
As a still further technical solution of the present invention, the seed filling system includes:
the seed filling pipeline fixing frame is arranged inside the shell;
the seed filling pipeline is arranged on the seed filling pipeline fixing frame and is used for filling the seed discharging grooves which are identified by the camera and are not filled with seeds;
an air pump mounted on the housing;
and the electromagnetic valve is arranged on the seed filling pipeline, one end of the electromagnetic valve is electrically connected with the controller, and the other end of the electromagnetic valve is connected with the air pump through an air pipe and used for controlling the working state of the air pump.
As a further technical solution of the present invention, the seed sowing device further comprises:
the time delayer is arranged in the electric cabinet and connected with the controller, and is used for selecting a corresponding working mode according to a design structure and an implementation function, controlling the high and low levels of the time delayer through the controller to realize the start and stop of the time delayer, and setting the required delay time according to the rotating speeds of different seeding shafts.
As a further technical scheme of the invention, 10 seeding grooves are uniformly distributed on the external fluted-wheel type seeding apparatus.
As a further technical scheme of the invention, the distance between the camera and the outlet of the seed filling pipeline is 1/10 of the circumference of the outer sheave.
As a further technical scheme of the invention, the working time of the electromagnetic valve is 0.13s.
As a further technical solution of the present invention, the time delay unit includes, in a selected operation mode, according to a time required for a seed charging process, a time required for a seed discharging chute to rotate from a camera recognition threshold to a seed charging threshold, and different rotation speeds of a seed discharging shaft: 20r/min, 30r/min and 40r/min, and setting the corresponding delay time to be 0.15s, 0.05s and 0s respectively.
Compared with the prior art, the invention has the beneficial effects that:
1. when the rice dry direct seeding outer fluted-wheel type seed sowing device based on image recognition works, the seed sowing shaft drives the seed sowing device to rotate, the camera shoots the seed filling condition in the seed sowing groove and transmits the seed filling condition to the controller, the controller converts the received signal and data and performs image recognition to find out the seed non-filling seed sowing groove, the controller transmits the signal to the electromagnetic valve and the delayer, the air pump is started to generate suction force to enable rice seeds to be filled into the seed non-filling seed sowing groove identified by the camera through the seed filling pipeline, the matching form of image recognition and electromagnetic valve control is realized, the adaptability of the seed sowing device is improved, the uniform and stable seeding quantity of small-sized seeds is realized, and the condition of missing sowing in the working process is avoided.
2. The time delay device is arranged in the electric cabinet and electrically connected with the controller, a corresponding working mode is selected according to a design structure and a realization function, the controller is used for controlling the high and low levels of the time delay device to start and stop the time delay device, and the time delay device sets time delay according to the time required by a seed filling process, the time required by the seed discharging groove to rotate from a camera identification threshold to a seed filling threshold and the rotating speeds of different seed discharging shafts under the selected working mode, so that the starting time of the electromagnetic valve under the rotating speeds of different seed discharging shafts is controlled, and the seed filling operation is carried out when the seed discharging groove which is not filled rotates to the seed filling threshold.
Drawings
FIG. 1 is a general assembly drawing of a rice dry direct seeding external fluted-wheel seed sowing device based on image recognition;
FIG. 2 is a schematic structural diagram of an outer fluted-wheel type seed sowing device for direct sowing on dry paddy rice based on image recognition;
FIG. 3 is a front view of an outer fluted-wheel type seed sowing device for dry direct sowing of rice based on image recognition;
FIG. 4 is a control diagram of a rice dry direct seeding outer fluted-wheel type seed sowing device based on image recognition.
In the figure: i-a mechanical system, II-an image recognition system, III-a seed filling system, 1-a shell, 2-a seed guide plate, 3-a seed guide bending plate, 4-a bell brush, 5-a clamping belt, 6-a tensioning device, 7-a seed discharging shaft, 8-a seed cleaning shaft, 9-a camera fixing frame, 10-a seed filling pipeline fixing frame, 11-a seed discharging device, 12-a camera, 13-a seed filling pipeline and 14-a seed guide pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
The embodiment of the invention is realized in such a way that the rice dry direct seeding external fluted-wheel type seed sowing device based on image recognition shown in figures 1 to 3 comprises:
a mechanical system I;
the image recognition system II is arranged on the mechanical system I and is used for recognizing the seed discharging grooves which are not filled with seeds;
the seed filling system III is arranged on the mechanical system I and is used for filling the seed discharging groove which is not filled with seeds;
and the controller is connected with the image recognition system II and the seed filling system III and is used for improving the adaptability of the seed sowing device, realizing the uniform and stable sowing quantity of small-sized seeds and avoiding the condition of missed sowing in the working process.
In practical application, the mechanical system I comprises: a housing 1; a seed discharging device 11 mounted inside the housing 1 through a seed discharging shaft 7; the image recognition system II comprises: a camera fixing frame 9; the camera 12 is arranged in the shell 1 through a camera fixing frame 9, is opposite to the center of the seed discharging groove, is electrically connected with the controller and is used for identifying the seed charging condition in the seed discharging groove and transmitting the seed charging condition to the controller, and a protective cover is arranged outside the camera 12 to prevent seeds from accumulating to influence shooting; the seed charging system III is fixed inside the shell 1, consists of a seed charging pipeline fixing frame 10, a seed charging pipeline 13, an electromagnetic valve and an air pump, and is electrically connected with a controller in an electric cabinet, the controller is used for controlling the camera 12 and the electromagnetic valve, the matching form of image recognition and the electromagnetic valve control is realized, the adaptability of the seed sowing device is improved, the uniform and stable sowing quantity of small-sized seeds is realized, and the condition of missed sowing in the working process is avoided.
Further, the seed filling pipeline 13 is arranged inside the shell 1 through the seed filling pipeline fixing frame 10; the solenoid valve is installed on the seed charging pipeline 13, one end is electrically connected with the controller, the other end is connected with the air pump through the air pipe, and the solenoid valve is used for controlling the working state of the air pump, completing the filling of the seed discharging grooves which are not charged according to the data transmitted by the controller, and avoiding the miss-seeding situation of the external fluted-wheel type seed-metering device in the working process.
Furthermore, the delayer is installed inside the electric cabinet and is electrically connected with the controller, corresponding working modes are selected according to design structures and implementation functions, and the controller is used for controlling the high and low levels of the delayer to start and stop the delayer and adjusting the working starting time of the electromagnetic valve.
Further, the time delay unit comprises, in the selected operation mode, according to the time required for the seed charging process, the time required for the seed discharge groove to rotate from the camera recognition threshold to the seed charging threshold, and the rotation speeds of the different seed discharge shafts 7: 20r/min, 30r/min and 40r/min, and the set delay times are 0.15s, 0.05s and 0s respectively.
Further, the seed cleaning brush 4 is arranged inside the shell 1 through the seed cleaning shaft 8 and is tangent to the seed sowing device 11, and is used for cleaning redundant seeds outside the seed sowing groove and ensuring that the seeds outside the seed sowing groove are kept inside the shell 1 and are not discharged; the seed guiding bending plate 3 is positioned on the left side of the seed cleaning brush 4 and is arranged at the upper end of the shell 1, and is used for preventing seeds from flying out of the shell 1 in the working process of the seed cleaning brush 4.
Furthermore, the clamping belts 5 are arranged on the outer side of the seed sowing device 11 and positioned in the shell 1, rotate together with the seed sowing device 11, are uniformly distributed with a certain number of holes and correspond to the seed sowing grooves one by one in the rotating process for guiding and buffering seeds, and avoid the seeds from directly impacting the seed sowing grooves to be broken in the working process.
Further, the seed guide plate 2 is arranged at the upper end of the shell 1; a tensioner 6 mounted outside the housing 1; and a seed guide pipe 14 installed at the lower end of the housing 1.
The embodiment provides a method for using an external fluted-wheel type seed sowing device for dry direct seeding of rice based on image recognition, and please refer to fig. 4, the specific method is as follows:
the motor drives the seed shaft 7 to drive the seed discharging device 11 and the clamping belt 5 to rotate, and a certain number of shaped holes are uniformly distributed on the clamping belt 5 and are in one-to-one correspondence with the seed discharging grooves in the rotating process; rotating to a seed filling area, and filling the rice seeds into the seed discharging groove under the combined action of the self gravity and the acting force among the seeds; the rotation to the camera recognition threshold, the camera 9 absorbs the seed charging condition in the seed discharging groove and transmits the seed charging condition to the controller, the controller converts the received signal and data and carries out image recognition, whether the seed discharging groove is charged with the seed is judged, if the seed discharging groove is not charged with the seed, the controller transmits the signal to the electromagnetic valve and the delayer, the delayer selects a corresponding working mode according to the design structure and the realization function, the controller controls the high and low level of the delayer to start and stop the seed discharging groove, and the rotation of the seed discharging groove from the camera recognition threshold to the seed charging threshold and the rotation speeds of different seed discharging shafts 7 are realized according to the time required by the seed charging process and the time required by the seed discharging groove under the working mode selected by the delayer, and the method comprises the following steps: 20r/min, 30r/min and 40r/min, and setting the delay time to be 0.15s, 0.05s and 0s respectively; after the time delay is finished, the controller starts the electromagnetic valve, the air pump works to generate suction force, so that the rice seeds are filled into the unfilled seed discharging grooves identified by the camera 12 through the seed filling pipeline 10; when the rice seeds rotate to the seed clearing area, the seed clearing shaft 8 drives the seed clearing brush 4 to rotate, redundant rice seeds outside the seed discharging groove are cleared, the seed guiding bending plate 3 is arranged on the left side of the seed clearing brush 4, the rice seeds are prevented from flying out of the shell 1 in the working process of the seed clearing brush 4, and the rice seeds outside the seed discharging groove are guaranteed to be kept inside the shell 1 and not discharged; finally, the rice seeds fall into the holes through the seed guide tube 14 to complete the sowing process.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a rice drought direct seeding outer fluted wheel formula seed metering ware based on image recognition which characterized in that includes:
a mechanical system;
the image recognition system is arranged on the mechanical system and used for recognizing the seed discharging groove which is not filled with seeds;
the seed charging system is arranged on the mechanical system and is used for filling the seed discharging groove which is not charged;
and the controller is connected with the image recognition system and the seed filling system and is used for improving the adaptability of the seed sowing device, realizing the uniform and stable sowing quantity of the small-sized seeds and avoiding the condition of missed sowing in the working process.
2. The image recognition-based paddy dry direct seeding outer fluted-wheel type seed sowing device as claimed in claim 1, wherein the mechanical system comprises:
a housing;
and the seed sowing device is arranged in the shell through a seed sowing shaft.
3. The dry direct-seeding rice external-grooved wheel type seed sowing device based on image recognition as claimed in claim 2, wherein the image recognition system comprises:
the camera fixing frame is arranged in the shell;
the camera is arranged on the camera fixing frame and is right opposite to the center of the seed discharging groove and used for shooting the seed charging condition in the seed discharging groove;
the safety cover is installed the camera is outside for avoid the seed to pile up and influence the camera and shoot.
4. The image recognition-based paddy dry direct seeding outer fluted-wheel type seed sowing device as claimed in claim 2, wherein the seed filling system comprises:
the seed filling pipeline fixing frame is arranged inside the shell;
the seed filling pipeline is arranged on the seed filling pipeline fixing frame and is used for filling the seed discharging grooves which are identified by the camera and are not filled with seeds;
an air pump mounted on the housing;
and the electromagnetic valve is installed on the seed filling pipeline, one end of the electromagnetic valve is electrically connected with the controller, and the other end of the electromagnetic valve is connected with the air pump through an air pipe and used for controlling the working state of the air pump.
5. The image recognition-based paddy dry direct seeding outer fluted-wheel type seed sowing device as claimed in claim 1, wherein the seed sowing device further comprises:
and the delayer is arranged in the electric cabinet, connected with the controller and used for selecting a corresponding working mode according to a design structure and an implementation function, controlling the high and low levels of the delayer through the controller to realize the starting and stopping of the delayer, and setting the required delay time according to the rotating speeds of different seeding shafts.
6. The image recognition-based rice dry direct seeding outer fluted-wheel type seed sowing device according to claim 3, wherein 10 seed sowing grooves are uniformly distributed on the outer fluted-wheel type seed sowing device.
7. The rice dry direct-seeding outer sheave seed sowing device based on image recognition as claimed in claim 6, wherein the distance between the camera and the seed filling pipeline outlet is 1/10 of the circumference of the outer sheave.
8. The image recognition-based paddy dry direct seeding external fluted-wheel type seed sowing device as claimed in claim 4, wherein the working time of the electromagnetic valve is 0.13s.
9. The image recognition-based rice dry direct seeding outer fluted-wheel type seed sowing device according to claim 5, wherein the time delay device comprises, in the selected working mode, according to the time required for the seed filling process, the time required for the seed sowing groove to rotate from the camera recognition threshold to the seed filling threshold and the rotating speeds of different seed sowing shafts: 20r/min, 30r/min and 40r/min, and setting the corresponding delay time to be 0.15s, 0.05s and 0s respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211417111.3A CN115589814A (en) | 2022-11-14 | 2022-11-14 | Rice dry direct seeding outer fluted wheel type seed sowing device based on image recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211417111.3A CN115589814A (en) | 2022-11-14 | 2022-11-14 | Rice dry direct seeding outer fluted wheel type seed sowing device based on image recognition |
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| CN115589814A true CN115589814A (en) | 2023-01-13 |
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| CN202211417111.3A Pending CN115589814A (en) | 2022-11-14 | 2022-11-14 | Rice dry direct seeding outer fluted wheel type seed sowing device based on image recognition |
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|---|---|---|---|---|
| CN101361423A (en) * | 2008-09-01 | 2009-02-11 | 中国农业大学 | Self-cleaning sowing device and real-time monitoring method thereof |
| CN103563524A (en) * | 2013-04-21 | 2014-02-12 | 刘宝才 | Pneumatic sowing and seed discharging system |
| CN104396394A (en) * | 2014-12-19 | 2015-03-11 | 中国农业大学 | Electric-driving type plot corn precision seeding device and working method thereof |
| RU2569238C1 (en) * | 2014-04-30 | 2015-11-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Волгоградский государственный аграрный университет (ФГБОУ ВПО Волгоградский ГАУ) | Pneumatic-mechanical planting unit |
| CN107750550A (en) * | 2017-11-17 | 2018-03-06 | 山东理工大学 | A kind of potato feed mechanism for seed intelligently reseeds device |
| CN108848782A (en) * | 2018-07-16 | 2018-11-23 | 山东理工大学 | A kind of precision drilling based on machine vision monitors and reseeds automatically device |
| CN110313277A (en) * | 2019-07-01 | 2019-10-11 | 华南农业大学 | A kind of intelligence is double to fill kind of type hole roller rice precision seed metering device and a type of seeding |
| CN111386807A (en) * | 2020-04-28 | 2020-07-10 | 东北农业大学 | Air suction blowing type electric seed sowing device |
| CN212910734U (en) * | 2020-08-04 | 2021-04-09 | 四川省农业机械研究设计院 | Seed sowing device of potato seeder |
-
2022
- 2022-11-14 CN CN202211417111.3A patent/CN115589814A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101361423A (en) * | 2008-09-01 | 2009-02-11 | 中国农业大学 | Self-cleaning sowing device and real-time monitoring method thereof |
| CN103563524A (en) * | 2013-04-21 | 2014-02-12 | 刘宝才 | Pneumatic sowing and seed discharging system |
| RU2569238C1 (en) * | 2014-04-30 | 2015-11-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Волгоградский государственный аграрный университет (ФГБОУ ВПО Волгоградский ГАУ) | Pneumatic-mechanical planting unit |
| CN104396394A (en) * | 2014-12-19 | 2015-03-11 | 中国农业大学 | Electric-driving type plot corn precision seeding device and working method thereof |
| CN107750550A (en) * | 2017-11-17 | 2018-03-06 | 山东理工大学 | A kind of potato feed mechanism for seed intelligently reseeds device |
| CN108848782A (en) * | 2018-07-16 | 2018-11-23 | 山东理工大学 | A kind of precision drilling based on machine vision monitors and reseeds automatically device |
| CN110313277A (en) * | 2019-07-01 | 2019-10-11 | 华南农业大学 | A kind of intelligence is double to fill kind of type hole roller rice precision seed metering device and a type of seeding |
| CN111386807A (en) * | 2020-04-28 | 2020-07-10 | 东北农业大学 | Air suction blowing type electric seed sowing device |
| CN212910734U (en) * | 2020-08-04 | 2021-04-09 | 四川省农业机械研究设计院 | Seed sowing device of potato seeder |
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