CN111247907B - Chain type precision hill planter - Google Patents
Chain type precision hill planter Download PDFInfo
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- CN111247907B CN111247907B CN202010277254.3A CN202010277254A CN111247907B CN 111247907 B CN111247907 B CN 111247907B CN 202010277254 A CN202010277254 A CN 202010277254A CN 111247907 B CN111247907 B CN 111247907B
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- chain
- plate
- speed reducer
- frame
- blanking
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/002—Dibble seeders
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/04—Machines for making or covering holes for sowing or planting
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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
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention relates to a chain type precision hill planter, belonging to the technical field of crop seeding equipment. The chain type precision hill planter is composed of a frame, a hole forming device, a blanking device, a soil covering device and a reversing speed reducer; the front end of the frame is symmetrically provided with front wheels; the rear end of the frame is provided with a rear wheel through a rotating arm and an adjuster; a reversing speed reducer is fixedly arranged on the frame; four groups of cavitation devices are fixedly arranged on the machine frame below the reversing speed reducer through transmission shafts; one output end of the reversing speed reducer is connected with one end of the transmission shaft through a chain wheel and a transmission chain A; four groups of bearing chain wheels are symmetrically arranged on the machine frame on two sides of the reversing speed reducer through rotating shafts respectively; the four groups of bearing chain wheels are provided with bearing chains; a plurality of blanking devices are uniformly arranged on the bearing chain. The chain type precision hill planter is simple in structure and convenient to use, solves the problem that the seeding quantity of the existing planter cannot be adjusted, and meets the use requirements of people.
Description
Technical Field
The invention relates to a chain type precision hill planter, belonging to the technical field of crop seeding equipment.
Background
Along with popularization and application of agricultural machinery, various seeders are stored in the market at present, seeding work of various crop seeds can be completed, labor intensity of manual seeding is reduced, and seeding efficiency is improved. However, due to the limitation of the structure of the existing seeder, the seeding work is completed by using a feeder after ditching on farmland; the problems of incapability of hole sowing, high overhauling strength and complex structure exist, and the production and use requirements of people cannot be met. A hill planter is available in the market, for example, a revolving rack type hill planter disclosed in the patent application No. 201810454040.1, which can mechanically complete the hill planting of seeds; but the seeds are pulled out through the rotation of the material pulling disc during the work to finish the precise seed blanking. In the process, the space size of the material stirring port on the material stirring disc is certain, so that the existing hole sowing machine can perform hole sowing work of different seeds, the sowing quantity is certain, and the problem that the sowing quantity cannot be adjusted exists. However, in the process of bunch planting without seeds, the seeding amounts are different, so that one bunch planter cannot meet the use requirements of different seeds with different blanking amounts; therefore, aiming at the defects existing in the existing hill-drop planter, a hill-drop planter is needed to be developed, so that the seeding quantity can be adjusted, and the problems existing in the existing hill-drop planter are solved.
Disclosure of Invention
The invention aims to: the chain type precision hill planter is simple in structure and convenient to use and solves the problem that the seeding quantity of an existing planter cannot be adjusted.
The technical scheme of the invention is as follows:
a chain type precision hill planter is composed of a frame, a hole forming device, a blanking device, a soil covering device and a reversing speed reducer; the front end of the frame is symmetrically provided with front wheels; the rear end of the frame is provided with a rear wheel through a rotating arm and an adjuster; a reversing speed reducer is fixedly arranged on the frame; four groups of cavitation devices are fixedly arranged on the machine frame below the reversing speed reducer through transmission shafts; one output end of the reversing speed reducer is connected with one end of the transmission shaft through a chain wheel and a transmission chain A; a covering device is fixedly arranged on the rack at the rear side of the hole forming device; the method is characterized in that: four groups of bearing chain wheels are symmetrically arranged on the machine frame on two sides of the reversing speed reducer through rotating shafts respectively; the four groups of bearing chain wheels are provided with bearing chains; a plurality of blanking devices are uniformly arranged on the bearing chain; both sides of one end of the bearing chain are respectively provided with a discharging plate; each blanking device is intermittently connected with the discharging plate; the other output end of the reversing speed reducer is connected with a rotating shaft adjacent to one side of the reversing speed reducer through a chain wheel and a transmission chain B.
The blanking device consists of a storage cylinder, a blanking cone cylinder, a material separating plate, a material distributing plate and a control rotating rod; the lower end of the storage cylinder is fixedly provided with a feeding conical cylinder; a material separating plate is arranged between the upper end of the blanking cone and the material storage cylinder; a blanking hole is formed in the center of the material separating plate; a control rotating rod is rotatably arranged on the material storage cylinder above the material separation plate through a rotating pin and a torsion spring; one end of the control rotating rod extends to the outer end of the material storage barrel and is provided with an anti-abrasion roller; the other end of the control rotating rod is provided with a material distributing plate; the material distributing plate is connected with the blanking hole in an intermittent sealing mode.
The discharging plate consists of a discharging main plate, a discharging auxiliary plate and an adjusting bolt; a discharging main board is fixedly arranged on the rack on one side of the bearing chain; one end of the unloading main board is movably inserted with an unloading auxiliary board; a support lug is fixedly arranged on the inner side of the discharging auxiliary plate; the support lug is movably provided with an adjusting bolt; one end of the adjusting bolt is provided with an assembling ring groove, and the adjusting bolt is movably connected with the assembling hole on the support lug through the assembling ring groove; the other end of the adjusting bolt extends to the inside of the discharging main plate and then is in threaded connection with the discharging main plate.
The regulator consists of a regulating screw rod and a buffer spring; an adjusting screw is connected to the machine frame above the rotating arm in a threaded manner; the lower end of the adjusting screw rod penetrates through the rotating arm and then is connected with a limiting nut; a buffer spring is arranged on the adjusting screw rod above the rotating arm.
The hole forming devices are composed of mounting wheels and soil digging claws; the transmission shaft is fixedly provided with a mounting wheel; two groups of soil digging claws are symmetrically and fixedly arranged on the circumferential surface of the mounting wheel.
The soil digging claw is bent; the bending angle of the soil digging claw is 45-75 degrees.
The invention has the advantages that:
the chain type precision hill planter is simple in structure and convenient to use, and can complete multi-path hill planting operation in a hill planting mode; and the seeding quantity can be controlled, so that the problem that the existing seeding machine cannot adjust the seeding quantity is solved, and the use requirements of people are met.
Description of the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a schematic view of the structure of the blanking device of the present invention;
FIG. 5 is a schematic view of the structure of FIG. 4 in the direction A-A;
FIG. 6 is a schematic structural view of the cavitation device of the present invention;
FIG. 7 is a schematic view of the blanking structure of the blanking device of the present invention.
In the figure: 1. the device comprises a frame, 2, a hole forming device, 3, a discharging device, 4, a soil covering device, 5, a reversing speed reducer, 6, a transmission shaft, 7, a front wheel, 8, a rotating arm, 9, a rear wheel, 10, a transmission chain A, 11, a rotating shaft, 12, a bearing chain wheel, 13, a bearing chain, 14, a transmission chain B, 15, a discharging plate, 16, a material storage barrel, 17, a discharging conical barrel, 18, a material separation plate, 19, a material separation plate, 20, a control rotating rod, 21, a discharging hole, 22, a rotating pin, 23, an anti-abrasion roller, 24, an adjusting screw rod, 25, a buffer spring, 26, a mounting wheel, 27, a soil planing claw, 28, a discharging main plate, 29, a discharging auxiliary plate, 30, an adjusting bolt, 31 and a support lug.
Detailed Description
The chain type precision hill planter is composed of a frame 1, a hole forming device 2, a blanking device 3, a soil covering device 4 and a reversing speed reducer 5 (see attached figures 1, 2 and 3 in the specification).
The front end of the frame 1 is symmetrically provided with front wheels 7; the rear end of the frame 1 is provided with a rear wheel 9 (see the description attached to fig. 3) via a swivel arm 8 and an adjuster. The adjuster is composed of an adjusting screw 24 and a buffer spring 25; an adjusting screw 24 is connected to the machine frame 1 above the rotating arm 8 through threads; the lower end of the adjusting screw 24 is connected with a limit nut after penetrating through the rotating arm 8; a buffer spring 25 is arranged on the adjusting screw 24 above the rotating arm 8 (see the description and the attached figure 3). The purpose of thus arranging the front wheels 7 and the rear wheels 9 is: so that people can drive the rotating arm 8 to rotate by rotating the adjusting screw 24, thereby raising or lowering the rear end of the frame 1, further raising the rear end of the frame 1 in the transition process of the hill planter, and preventing the earth coverers 4 on the frame 1 from rubbing against the ground; meanwhile, when the hill planter works normally, the rear end of the frame 1 is lowered, and then the soil covering devices 4 are inserted into soil, so that the earth covering operation is facilitated.
A reversing speed reducer 5 is fixedly arranged on the frame 1; the hill planter is connected to the rear part of the power machine (such as a tractor); the input end of the reversing speed reducer 5 is connected with the power machine; when the hill planter works, the power machine drives the hill planter to move forwards, and meanwhile, the original power is provided for the reversing speed reducer 5.
Four groups of cavitation devices 2 are fixedly arranged on the frame 1 below the reversing speed reducer 5 through a transmission shaft 6 (see the attached figure 2 in the specification). The reversing speed reducer 5 is provided with two output ends; one output end of the reversing speed reducer 5 is connected with one end of the transmission shaft 6 through a chain wheel and a transmission chain A10 (see the attached figure 3 in the specification); when the reversing speed reducer 5 works, the transmission chain A10 can drive the transmission shaft 6 and the cavitation device 2 to synchronously rotate.
Each hole forming device 2 consists of a mounting wheel 26 and a soil digging claw 27; the transmission shaft 6 is fixedly provided with a mounting wheel 26; two groups of soil planing claws 27 are symmetrically and fixedly arranged on the circumferential surface of the mounting wheel 26 (see specification 5).
The transmission shaft 6 can drive each cavitation device 2 to synchronously rotate in the rotating process; the hole forming device 2 can dig out the sowing holes on the ground through the soil digging claw 27 during the rotation process.
The soil digging claw 27 is bent; the soil planing claw 27 is arranged in such a way that: the soil digging claw 27 rotating along with the mounting wheel 26 can take out soil through the arc surface of the soil digging claw 27 in the process of digging the sowing holes, thereby avoiding the problem that the sowing holes are covered by soil; in addition, too large bending angle of the soil digging claw 27 causes the problem that the soil slides down to cover the sowing hole, and too small bending angle of the soil digging claw 27 causes the problem that the planed sowing hole is too small. The soil-planing performance of the soil-planing claw 27 is best when the bending angle (see angle d in figure 5 of the specification) of the soil-planing claw 27 is 45 to 75.
A coverer 4 is fixedly arranged on the frame 1 at the rear side of the cavitator 2 (see the attached figures 2 and 3 in the specification). The covering device 4 is composed of symmetrically arranged covering plates; the earth covering plates are arranged in a splayed shape; each soil covering plate is in a curved shape (not shown in the attached drawings of the specification). The purpose of thus arranging the coverer 4 is: so that the soil coverer 4 can turn out soil in the moving process, and the soil is turned inwards along the inclined plane of the soil covering plates and finally falls into the field between the soil covering plates, thereby completing the soil covering operation.
Each coverer 4 corresponds to each hole forming device 2; the earth covering plates of the earth coverers 4 are positioned at two sides of the corresponding hole forming device 2; the purpose of so setting is: so that the earth covering plates of the earth coverers 4 are positioned at two sides of the sowing holes planed by the corresponding hole forming devices 2, thereby being convenient for the earth covering plates to turn out the earth at the two sides of the sowing holes and cover the earth on the sowing holes to finish the earth covering work of the sowing holes.
Four groups of bearing chain wheels 12 are symmetrically arranged on the machine frame 1 at two sides of the reversing speed reducer 5 through rotating shafts 11 respectively (see the attached figure 2 in the specification); four groups of bearing chain wheels 12 are provided with bearing chains 13 (see the description and the attached figure 2); the other output end of the reversing speed reducer 5 is connected with the rotating shaft 11 adjacent to one side of the reversing speed reducer through a chain wheel and a transmission chain B14 (see the attached figure 3 in the specification). When the power machine works, the reversing speed reducer 5 drives the rotating shaft 11 and the bearing chain 13 to synchronously rotate.
A plurality of blanking devices 3 are uniformly arranged on the bearing chain 13 (see the attached figure 2 in the specification); the blanking device 3 is composed of a storage cylinder 16, a blanking cone 17, a material separating plate 18, a material distributing plate 19 and a control rotating rod 20 (see the attached figures 4 and 5 in the specification).
The lower end of the material storage cylinder 16 is fixedly provided with a blanking cone cylinder 17; a material partition plate 18 is arranged between the upper end of the blanking cone 17 and the material storage cylinder 16; the center of the material separating plate 18 is provided with a discharging hole 21; a control rotating rod 20 is rotatably arranged on the material storage barrel 16 above the material separation plate 18 through a rotating pin 22 and a torsion spring; one end of the control rotating rod 20 extends to the outer end of the material storage barrel 16 and is provided with an anti-abrasion roller 23; the other end of the control rotating rod 20 is provided with a material distributing plate 19; the material distributing plate 19 is intermittently and hermetically connected with the blanking hole 21. When the control rotating rod 20 is in an unstressed state (namely, an initial state), the material distributing plate 19 is in sealing connection with the blanking hole 21 under the action of the rotating pin 22 and the torsion spring. When the control rotating rod 20 is stressed, the control rotating rod 20 can drive the material distributing plate 19 to synchronously rotate, so that the material distributing plate is separated from the blanking hole 21, and the purpose of precise blanking can be achieved through the blanking hole 21 when the material distributing plate works.
The two sides of one end of the carrying chain 13 are respectively provided with a discharging plate 15 (refer to the attached figures 1, 2 and 3 in the specification); the wear-proof rollers 23 of the control turning rod 20 of each feeder 3 are intermittently connected with the stripper plate 15.
The discharging plate 15 is composed of a discharging main plate 28, a discharging auxiliary plate 29 and an adjusting bolt 30 (see the attached figure 7 in the specification); a discharging main board 28 is fixedly arranged on the frame 1 at one side of the bearing chain 13; one end of the discharging main plate 28 is movably inserted with a discharging auxiliary plate 29.
A support lug 31 is fixedly arranged on the inner side of the discharging auxiliary plate 29; the support lug 31 is movably provided with an adjusting bolt 30; one end of the adjusting bolt 30 is provided with an assembling ring groove, and the adjusting bolt 30 is movably connected with an assembling hole on the support lug 31 through the assembling ring groove; the other end of the adjusting bolt 30 extends into the interior of the discharge main plate 28 and is in threaded connection therewith. The purpose of so setting the stripper plate 15 is: so that one can control the extension length of the discharge sub-plate 29 by turning the adjusting bolt 30; when the discharging auxiliary plate 29 extends out, the contact time of the anti-abrasion roller 23 on the feeder 3 with the discharging main plate 28 and the discharging auxiliary plate 29 is longer; the longer the opening time of the discharging hole 21 is, the larger the seeding amount is; so during operation people can adjust the extension length of the subplate 29 of unloading according to the demand of seeding seed, so can solve the problem that the seeding quantity that current seeder exists can not be adjusted.
When the chain type precision hill planter works, the power machine pulls the hill planter to move forward, and simultaneously, the reversing speed reducer 5 and the transmission chain A10 drive the transmission shaft 6 to synchronously rotate. Meanwhile, the reversing speed reducer 5 drives the rotating shaft 11 and the bearing chain 13 to synchronously rotate through the transmission chain B14.
The transmission shaft 6 drives the hole forming devices 2 to synchronously rotate in the rotating process; in the synchronous rotation process of each group of hole forming devices 2, planting holes are formed at intervals in the field through the soil digging claws 27.
When each hole forming device 2 continuously digs and plants holes in the field, the bearing chain 13 drives the blanking device 3 to synchronously rotate. When the blanking device 3 rotates along with the bearing chain 13, when the blanking device 3 passes through one side of the discharging plate 15; the discharging plate 15 rotates the wear-resistant roller 23 on the block, so that the wear-resistant roller pushes the control rotating rod 20 to drive the distributing plate 19 to rotate synchronously, and the distributing plate 19 is separated from the discharging hole 21. After the material distributing plate 19 is separated from the material discharging hole 21, the seeds in the material storage cylinder 16 fall to the sowing holes planed by the hole forming device 2 through the material discharging conical cylinder 17. In this process, since the time for the downer 3 to pass through the side of the discharging plate 15 is limited, after the wear-resistant roller 23 of the downer 3 is disengaged from the discharging plate 15, the control rotating rod 20 and the material distributing plate 19 will be rapidly reset under the action of the torsion spring to reseal the blanking hole 21. Therefore, the rotating speed of the bearing chain 13 is fixed, so that when the bearing chain 13 drives the blanking device 3 to pass through one side of the discharging plate 15, the opening time of the blanking hole 21 is also fixed, thereby ensuring that the seeding amount of the blanking device 3 is consistent every time, and further meeting the requirement of precision seeding. Then when the next downer 3 is brought into contact with the stripper plate 15 for blanking, it is located just above the next sowing hole, which just fulfills the need for hole sowing of the next sowing hole.
Then, soil on two sides of each sowing hole is turned out and covered on the sowing holes by each soil covering device 4 of the hill planter through a soil covering plate, so that the soil covering work of the sowing holes is completed. The hole digger can complete digging, seeding and earthing up.
As can be seen from the action of the hill planter, the time interval between the sowing of the feeders 3 is the same as the time for the hill planter to move from one sowing hole to the next, so that it is ensured that each feeder 3 is located just above each sowing hole each time the feeder 3 delivers a seed. The distance between the seeding holes is constant, and the moving speed of the feeder 3 is determined by the advancing speed of the hill planter; thus, the sowing requirements are only met if the hill-drop planter is advanced at a single constant speed, which matches the rotational speed of the respective downers 3.
The chain type precision hill planter is simple in structure and convenient to use, and can complete multi-path hill planting operation in a hill planting mode; work efficiency is high, has solved the problem that can't carry out the bunch planting, overhaul intensity is big and the structure is complicated that current seeder exists, has satisfied people's user demand.
Claims (4)
1. A chain type precision hill planter is composed of a frame (1), a hole forming device (2), a blanking device (3), a soil covering device (4) and a reversing speed reducer (5); front wheels (7) are symmetrically arranged at the front end of the frame (1); the rear end of the frame (1) is provided with a rear wheel (9) through a rotating arm (8) and an adjuster; a reversing speed reducer (5) is fixedly arranged on the frame (1); four groups of cavitation devices (2) are fixedly arranged on the frame (1) below the reversing speed reducer (5) through a transmission shaft (6); one output end of the reversing speed reducer (5) is connected with one end of the transmission shaft (6) through a chain wheel and a transmission chain A (10); a covering device (4) is fixedly arranged on the frame (1) at the rear side of the hole forming device (2); the method is characterized in that: four groups of bearing chain wheels (12) are symmetrically arranged on the frame (1) at two sides of the reversing speed reducer (5) through rotating shafts (11); the four groups of bearing chain wheels (12) are provided with bearing chains (13); a plurality of blanking devices (3) are uniformly arranged on the bearing chain (13); both sides of one end of the bearing chain (13) are respectively provided with a discharging plate (15); each blanking device (3) is respectively and intermittently connected with a discharging plate (15); the other output end of the reversing speed reducer (5) is connected with a rotating shaft (11) adjacent to one side of the reversing speed reducer through a chain wheel and a transmission chain B (14);
the blanking device (3) consists of a storage cylinder (16), a blanking cone cylinder (17), a material separating plate (18), a material distributing plate (19) and a control rotating rod (20); a blanking cone (17) is fixedly arranged at the lower end of the material storage cylinder (16); a material separating plate (18) is arranged between the upper end of the blanking cone cylinder (17) and the material storage cylinder (16); a blanking hole (21) is formed in the center of the material separating plate (18); a control rotating rod (20) is rotatably arranged on the material storage barrel (16) above the material separating plate (18) through a rotating pin (22) and a torsion spring; one end of the control rotating rod (20) extends to the outer end of the material storage barrel (16) and then is provided with an anti-abrasion roller (23); the other end of the control rotating rod (20) is provided with a material distributing plate (19); the material distributing plate (19) is intermittently and hermetically connected with the blanking hole (21);
the discharging plate (15) consists of a discharging main plate (28), a discharging auxiliary plate (29) and an adjusting bolt (30); a discharging main board (28) is fixedly arranged on the rack (1) at one side of the bearing chain (13); one end of the unloading main board (28) is movably inserted with an unloading auxiliary board (29); a support lug (31) is fixedly arranged on the inner side of the discharging auxiliary plate (29); an adjusting bolt (30) is movably arranged on the support lug (31); one end of the adjusting bolt (30) is provided with an assembling ring groove, and the adjusting bolt (30) is movably connected with an assembling hole on the support lug (31) through the assembling ring groove; the other end of the adjusting bolt (30) extends to the interior of the discharging main plate (28) and then is in threaded connection with the discharging main plate.
2. The chain type precision hill planter according to claim 1, wherein: the regulator consists of an adjusting screw rod (24) and a buffer spring (25); an adjusting screw rod (24) is connected to the machine frame (1) above the rotating arm (8) in a threaded manner; the lower end of the adjusting screw rod (24) penetrates through the rotating arm (8) and then is connected with a limiting nut; a buffer spring (25) is arranged on an adjusting screw rod (24) above the rotating arm (8).
3. The chain type precision hill planter according to claim 2, wherein: the hole forming device (2) is composed of a mounting wheel (26) and a soil digging claw (27); a mounting wheel (26) is fixedly arranged on the transmission shaft (6); two groups of soil digging claws (27) are symmetrically and fixedly arranged on the circumferential surface of the mounting wheel (26).
4. The chain type precision hill planter according to claim 3, wherein: the soil digging claw (27) is bent; the bending angle of the soil digging claw (27) is 45-75 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010277254.3A CN111247907B (en) | 2020-04-10 | 2020-04-10 | Chain type precision hill planter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010277254.3A CN111247907B (en) | 2020-04-10 | 2020-04-10 | Chain type precision hill planter |
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| Publication Number | Publication Date |
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| CN111247907A CN111247907A (en) | 2020-06-09 |
| CN111247907B true CN111247907B (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010277254.3A Active CN111247907B (en) | 2020-04-10 | 2020-04-10 | Chain type precision hill planter |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004004440A1 (en) * | 2002-07-05 | 2004-01-15 | Väderstad-Verken Ab | A sowing device, and agricultural machine and a procedure for sowing intermediate crops |
| KR20160022048A (en) * | 2014-08-19 | 2016-02-29 | 길복환 | Seperator and Seeder for ginseng seed |
| CN107996080A (en) * | 2017-12-01 | 2018-05-08 | 成都中机盈科科技有限公司 | A kind of sowing machine people |
| CN108093765A (en) * | 2017-12-25 | 2018-06-01 | 郑州赫恩电子信息技术有限公司 | A kind of Chinese garden planting multifunctional sowing vehicle |
| CN108617199A (en) * | 2018-05-14 | 2018-10-09 | 长江大学 | A kind of rotating frame type hill-drop drill |
| CN108738523A (en) * | 2018-05-14 | 2018-11-06 | 长江大学 | A kind of Quantitative seeder |
-
2020
- 2020-04-10 CN CN202010277254.3A patent/CN111247907B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004004440A1 (en) * | 2002-07-05 | 2004-01-15 | Väderstad-Verken Ab | A sowing device, and agricultural machine and a procedure for sowing intermediate crops |
| KR20160022048A (en) * | 2014-08-19 | 2016-02-29 | 길복환 | Seperator and Seeder for ginseng seed |
| CN107996080A (en) * | 2017-12-01 | 2018-05-08 | 成都中机盈科科技有限公司 | A kind of sowing machine people |
| CN108093765A (en) * | 2017-12-25 | 2018-06-01 | 郑州赫恩电子信息技术有限公司 | A kind of Chinese garden planting multifunctional sowing vehicle |
| CN108617199A (en) * | 2018-05-14 | 2018-10-09 | 长江大学 | A kind of rotating frame type hill-drop drill |
| CN108738523A (en) * | 2018-05-14 | 2018-11-06 | 长江大学 | A kind of Quantitative seeder |
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| CN111247907A (en) | 2020-06-09 |
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