CN110249759B - Electronic air suction type vacuum seed distribution wheel for seeder - Google Patents
Electronic air suction type vacuum seed distribution wheel for seeder Download PDFInfo
- Publication number
- CN110249759B CN110249759B CN201910489472.0A CN201910489472A CN110249759B CN 110249759 B CN110249759 B CN 110249759B CN 201910489472 A CN201910489472 A CN 201910489472A CN 110249759 B CN110249759 B CN 110249759B
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- seed
- metering roller
- seed metering
- cylinder
- thin
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- 238000002955 isolation Methods 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 6
- 241000721671 Ludwigia Species 0.000 abstract description 6
- 238000009331 sowing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 125000006850 spacer group Chemical group 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
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention relates to an electronic air suction type vacuum seed distribution wheel for a seeder, which is characterized in that: the seed metering roller is provided with single-row or double-row seed sucking holes along the peripheral surface, the end cover is arranged at the mouth part of the seed metering roller and is fixedly connected in a sealing way, so that a sealed air sucking chamber is formed, the isolation disc is arranged in the seed metering roller, a necking cylinder of the isolation disc extends out of the end cover, and the connector is sleeved on the necking cylinder of the isolation disc and is fixedly connected with the end surface of the connector in a sealing contact manner with the end surface of the end cover. The working process is as follows: the seed distribution wheel is connected with the fan and the power shaft respectively, seeds are well arranged in the seed box, the fan is started, the power shaft drives the seed distribution wheel to rotate, the fan pumps air in the airtight air suction chamber through the air suction channel, the seed suction holes formed in the seed metering roller adsorb seeds in the seed box under the action of negative pressure, the adsorbed seeds are driven by the seed metering roller to rotate to the seed guide pipe on the other side on the upper part of the seed metering roller, and the seeds enter the seed guide pipe to realize sowing.
Description
Technical Field
The invention belongs to agricultural machinery, and relates to an electronic air suction type vacuum seed distribution wheel for a seeder.
Background
When the air suction type seeder works, the air in the air suction chamber is pumped by the high-speed fan, so that the air suction chamber forms vacuum to generate negative pressure, and when the seed sowing roller 1 rotates, seeds are adsorbed to be sown under the negative pressure effect of the vacuum chamber. The structure is as follows: comprises a seed metering roller 1 and a connector 7, wherein the seed metering roller 1 is a cup-shaped body with one end plugged, an inward boss 5 is arranged in the middle of the bottom of the cup-shaped body, a connecting hole 3 is arranged in the boss 5, a key slot 4 is arranged in the connecting hole 3, single-row or double-row seed suction holes 2 are arranged on the circumferential surface of the seed metering roller 1, a certain distance is arranged between each row of seed suction holes 2 and the top surface of the boss 5, the connecting holes 7 are uniformly distributed, a connecting disc 11 is arranged in the middle, one end of the connecting disc 11 is a hollow thin-wall cylinder 10, the other end of the connecting disc 11 is a necking hollow thin-wall cylinder 9, the connecting disc 11, the thin-wall cylinder 10 and the necking hollow thin-wall cylinder 9 are fixedly connected into a whole, an extraction opening 8 is arranged in the middle, the outer diameter of the cylindrical surface of the connecting disc 11 is the same as the outer diameter of the seed metering roller 1, and the end surface is in sealing contact with the end surface of the seed metering roller 1, the cylindrical surface of the connecting disc 11 is provided with a plurality of connecting holes along the circumference for fixedly connecting with a fan, the outer diameter of a thin-wall cylinder 10 of the connecting disc 11 is slightly smaller than or equal to the inner diameter of the seed metering roller 1, a semicircular notch is arranged on the cylindrical surface of the opening of the thin-wall cylinder 10, the cylindrical surface of the thin-wall cylinder 10 is cut into thin walls with two lengths L1 and L2 with length difference, L1 is larger than L2, the connecting body 7 is arranged at the opening of the seed metering roller 1, the thin-wall cylinder 10 of the connecting body 7 is positioned in the seed metering roller 1, the L1 thin wall of the thin-wall cylinder 10 is positioned at the bottom of the seed metering roller 1, the end face of the L1 thin wall is positioned in the middle of a boss 5 of the seed metering roller 1, so that seed suction holes 2 at the lower part of the seed metering roller 1 are blocked, the L2 thin wall is positioned at the upper part of the seed metering roller 1, and the end face of the L2 thin wall is positioned between the seed suction holes 2 of the seed metering roller 1 and the end cover, so that the seed suction holes 2 at the upper part of the seed metering roller 1 are exposed, as shown in fig. 1.
The problems are: because the seed metering roller 1 is the cup type body of one end shutoff, its oral area relies on the connection pad 11 terminal surface of connector 7 to form the air suction chamber with seed metering roller 1 oral area terminal surface sealing contact, and area of contact is big, and not only the vacuum of air suction chamber is destroyed to easy gas leakage, leads to leaking to broadcast, has increased manufacturing degree of difficulty and manufacturing cost moreover.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: overcomes the defects of the prior art and provides an electronic air suction type vacuum seed distribution wheel for a seeder.
The technical scheme for solving the technical problems is as follows: an electronic air suction type vacuum seed distribution wheel for a seeder is characterized in that: the seed metering roller is provided with single-row or double-row seed sucking holes along the peripheral surface, the end cover is arranged at the mouth part of the seed metering roller and is fixedly connected in a sealing way, so that a sealed air sucking chamber is formed, the isolation disc is arranged in the seed metering roller, a necking cylinder of the isolation disc extends out of the end cover, and the connector is sleeved on the necking cylinder of the isolation disc and is fixedly connected with the end surface of the connector in a sealing contact manner with the end surface of the end cover.
The seed metering roller has the structure that: the seed metering roller is the cup type body of one end shutoff, sets up inwards boss in the middle of the bottom of cup type body, the connecting hole that sets up in the boss, and the connecting hole sets up the keyway, and the surface along the circumference of seed metering roller sets up single row or double kind of holes of inhaling, has certain distance, and the equipartition setting between the top surface of every row kind of holes of inhaling and boss.
The structure of the seed metering roller is that: the seed metering roller is hollow tubular, and the one end of seed metering roller seals with the blanking cover and links firmly the cup type body that forms one end shutoff, sets up inwards boss in the middle of the bottom of blanking cover, sets up the connecting hole in the boss, and the connecting hole sets up the keyway, sets up single row or double kind of holes of inhaling at the peripheral surface of seed metering roller, and each row inhales and has certain distance, and equipartition setting between the boss top surface of kind hole and blanking cover.
The structure of the end cover is as follows: the seed metering roller is a stepped cylinder with one large end and one small end, a through hole is formed in the middle of the end cover, the large end of the end cover is fixedly connected with the seed metering roller in a sealing way, and the small end of the end cover faces the outer side of the seed metering roller.
The structure of the isolation disc is as follows: one end of the thin-wall cylinder is a hollow thin-wall cylinder, the other end of the thin-wall cylinder is a hollow necking cylinder provided with external threads, the outer diameter of the thin-wall cylinder is slightly smaller than or equal to the inner diameter of the seed sowing roller, a semicircular notch is arranged on the cylindrical surface of the opening part of the thin-wall cylinder, the cylindrical surface of the thin-wall cylinder is cut into thin walls with two lengths H1 and H2 with different lengths, H1 is larger than H2, the outer diameter of the necking cylinder is slightly smaller than or equal to the diameter of a through hole in the middle of the end cover, the hollow is an extraction opening, the thin-wall cylinder of the isolation disc is arranged in the seed metering roller, the necking cylinder of the isolation disc is arranged in the through hole of the end cover, the external thread of the necking cylinder extends out of the end cover, the H1 thin-wall of the thin-wall cylinder is positioned at the bottom of the seed metering roller, the end face of the H1 thin-wall is positioned in the middle of the boss of the seed metering roller, so that seed suction holes at the lower part of the seed metering roller are shielded, the H2 thin-wall is positioned at the upper part of the seed metering roller, and the end face of the H2 thin-wall is positioned between the seed suction holes of the seed metering roller and the end cover, so that the seed suction holes at the upper part of the seed metering roller are exposed.
The structure of the connector is as follows: the middle of the air suction device is a connecting plate, one end of the air suction device is a necking cylinder, the other end of the air suction device is a thin-walled cylinder, the connecting plate, the necking cylinder and the thin-walled cylinder are fixedly connected into a whole, a plurality of connecting holes are formed in the periphery of the connecting plate, the necking cylinder is provided with an air vent, the air vent is provided with an internal thread, the internal thread of the necking cylinder is screwed with the external thread of the necking cylinder of the isolation disc, the end face of the necking cylinder is in sealing contact with the end face of the end cover, the end face of the thin-walled cylinder is provided with a plurality of teeth, the connecting body is fixedly connected with the fan through the plurality of connecting holes formed in the periphery of the connecting plate, the air vent of the air suction port of the isolation disc and the air vent of the connecting body form an air suction channel, and the fan draws air in a sealed air suction chamber formed by the seed discharging roller and the end cover through the air suction channel, so that the air suction chamber forms vacuum.
The working process of the invention is as follows: the seed distributing wheel is connected with the fan and the power shaft respectively, seeds are filled in the seed box, the fan is started, the power shaft drives the seed distributing wheel to rotate, the fan pumps air in a closed air suction chamber formed by the seed discharging roller and the end cover through the air suction channel, the air suction chamber forms vacuum, seeds in the seed box are adsorbed by seed suction holes arranged on the seed discharging roller under the action of negative pressure, the adsorbed seeds at the seed suction holes are driven by the seed discharging roller to rotate to a seed guide pipe at the other side at the upper part of the seed discharging roller, the seed suction holes lose adsorption force under the shielding of the isolation disc, and the seeds are put down into the seed guide pipe to realize sowing.
The beneficial effects of the invention are as follows: the airtight air suction chamber formed by the seed metering roller and the end cover has good tightness, can ensure the vacuum degree of the air suction chamber, prevents miss seeding, and reduces the manufacturing difficulty and the manufacturing cost. Has the advantages of simple structure, easy manufacture, low cost and good effect.
Drawings
FIG. 1 is a schematic view of a prior art seed distribution wheel;
FIG. 2 is a schematic front view of the seed distribution wheel of the present invention;
FIG. 3 is a schematic front cross-sectional view of FIG. 2;
FIG. 4 is a schematic front view of a seed metering roller of the seed metering wheel of the present invention;
FIG. 5 is a left side cross-sectional schematic view of FIG. 4;
FIG. 6 is a schematic front view of an end cap of the seed distribution wheel of the present invention;
FIG. 7 is a left side schematic view of FIG. 6;
FIG. 8 is a schematic diagram of a front view of a spacer disc of the seed distribution wheel of the present invention;
FIG. 9 is a left side schematic view of FIG. 8;
FIG. 10 is a schematic front view of a connector of the seed distribution wheel of the present invention;
FIG. 11 is a left side schematic view of FIG. 10;
Fig. 12 is a schematic structural diagram of embodiment 2.
In the figure: 1 seed metering roller, 2 seed sucking holes, 3 connecting holes, 4 key grooves, 5 bosses, 6 H1 thin walls, 7 connecting bodies, 8 extraction openings, 9 necking hollow thin wall cylinders, 10 hollow thin wall cylinders, 11 connecting discs, 12 seed metering rollers, 13 connecting bodies, 14 end covers, 15 necking cylinders, 16 thin wall cylinders, 17 connecting plates, 18 air vents, 19 extraction openings, 20 H2 thin walls, 21 small ends, 22 through holes, 23 thin wall cylinders, 24 necking cylinders, 25 external threads and 26 connecting holes.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Referring to fig. 2-11 and embodiment 1, an electronic air suction type vacuum seed distribution wheel for a seeder of this embodiment comprises a seed metering roller 12, an end cover 14, a separation disc and a connecting body 13, wherein a single seed metering hole 2 is arranged on the circumferential surface of the seed metering roller 12, the end cover 14 is arranged at the mouth part of the seed metering roller 12 and is sealed and fixedly connected, so as to form a sealed air suction chamber, the separation disc is arranged in the seed metering roller 12, a necking cylinder 24 of the separation disc extends out of the end cover 14, the connecting body 13 is sleeved on the necking cylinder 24 of the separation disc and is fixedly connected, and the end face of the connecting body 13 is in sealing contact with the end face of the end cover 14.
The seed metering roller 12 has the structure that: the seed metering roller 12 is the cup type body of one end shutoff, sets up inwards boss 5 in the middle of the bottom of cup type body, sets up connecting hole 3 in the boss 5, and connecting hole 3 sets up keyway 4, and the surface along the periphery of seed metering roller 12 sets up single row and inhales kind hole 2, has certain distance, and the equipartition setting between the top surface of inhaling kind hole 2 and boss 5, and the oral area of seed metering roller 12 sets up four square grooves for link firmly with end cover 14.
The structure of the end cap 14 is: the seed metering roller is a stepped cylinder with one large end and one small end, a through hole 22 is formed in the middle of the end cover 14, four square lugs are arranged at the large end of the end cover 14, the large end of the end cover 14 is arranged at the mouth part of the seed metering roller 12, the square lugs of the end cover 14 are positioned in square grooves of the seed metering roller 12, the end cover 14 is fixedly connected with the seed metering roller 12 in a sealing way, and the small end 21 of the end cover 14 faces the outer side of the seed metering roller 12.
The structure of the isolation disc is as follows: the end of the thin-wall cylinder 23 is hollow, the other end of the thin-wall cylinder 24 is a hollow necking cylinder 24 provided with external threads 25, the outer diameter of the thin-wall cylinder 23 is slightly smaller than or equal to the inner diameter of the seed metering roller 12, a semicircular notch is arranged on the cylindrical surface of the opening of the thin-wall cylinder 23, the cylindrical thin-wall of the thin-wall cylinder 23 is cut into an H1 thin-wall 6 and an H2 thin-wall 20 with two lengths with different lengths, H1 is larger than H2, the outer diameter of the necking cylinder 24 is slightly smaller than or equal to the diameter of a through hole 22 in the middle of the end cover 14, the hollow is an extraction opening 19, the thin-wall cylinder 23 of the isolation disc is arranged in the seed metering roller 12, the necking cylinder 24 of the isolation disc is arranged in the through hole 22 of the end cover 14, the external threads 25 of the isolation disc extend out of the end cover 14, the H1 thin-wall 6 of the thin-wall cylinder 23 is arranged at the bottom of the seed metering roller 12, the end face of the H1 thin-wall 6 is arranged in the middle of the boss 5 of the seed metering roller 12, so that the seed suction holes 2 at the lower part of the seed metering roller 12 are blocked, the H2 thin-wall 20 is arranged at the upper part of the seed metering roller 12, and the end face of the H2 thin-wall 20 is arranged at the upper part of the seed metering roller 12, the seed suction holes 2 are exposed, and the upper part of the seed metering roller 2.
The structure of the connector 13 is as follows: the middle of the device is a connecting plate 17, one end of the device is a necking cylinder 15, the other end of the device is a thin-walled cylinder 16, the connecting plate 17, the necking cylinder 15 and the thin-walled cylinder 16 are fixedly connected into a whole, four connecting holes 26 are formed in the periphery of the connecting plate 17, the necking cylinder 15 is provided with an air vent 18, the air vent 18 is provided with internal threads, the internal threads of the necking cylinder 15 are screwed with external threads 25 of the necking cylinder 15 of an isolation disc, the end face of the necking cylinder is in sealing contact with the end face of the end cover 14, eight teeth are arranged on the end face of the thin-walled cylinder 16, the connecting body 13 is fixedly connected with a fan through the four connecting holes 26 formed in the periphery of the connecting plate 17, an air suction channel is formed by an air suction opening 19 of the isolation disc and the air vent 18 of the connecting body 13, and the fan is used for sucking air in a closed air suction chamber formed by the seed discharging roller 12 and the end cover 14 through the air suction channel, so that the air suction chamber forms vacuum.
This embodiment is manufactured using the prior art.
The working process of the embodiment is as follows: the seed distributing wheel of the embodiment is respectively connected with a fan and a power shaft, seeds are well arranged in a seed box, the fan is started, the power shaft drives the seed distributing wheel to rotate, the fan pumps air in a closed air suction chamber formed by a seed metering roller 12 and an end cover 14 through an air suction channel, the air suction chamber forms vacuum, seed suction holes 2 arranged on the seed metering roller 12 adsorb the seeds in the seed box under the action of negative pressure, the adsorbed seeds at the seed suction holes rotate to a seed guiding pipe at the other side on the upper part of the seed metering roller 12 under the drive of the seed metering roller 12, the seed suction holes 2 lose adsorption force under the shielding of a separation disc, and the seeds are put down into the seed guiding pipe to realize sowing.
Referring to fig. 12, embodiment 2 is basically the same as embodiment 1, except that the seed metering roller 12 of this embodiment is different in structure, and the specific structure is: the seed metering roller 12 is hollow tubular, and the one end of seed metering roller 12 is sealed with blanking cover 27 to link firmly and is formed the cup type body of one end shutoff, sets up inwards boss 5 in the middle of the bottom of blanking cover 27, sets up connecting hole 3 in the boss 5, and connecting hole 3 sets up keyway 4, sets up single row seed suction hole 2 at the peripheral surface of seed metering roller 12, has certain distance, and the equipartition setting between seed suction hole 2 and the boss 5 top surface of blanking cover.
The present embodiment is not limited to the present embodiment, but simple copying and modification without inventive labor to those skilled in the art are within the scope of the claims of the present embodiment.
Claims (3)
1. An electronic air suction type vacuum seed distribution wheel for a seeder is characterized in that: the novel seed metering device comprises a seed metering roller, an end cover, an isolation disc and a connector, wherein single-row or double-row seed sucking holes are formed in the circumferential surface of the seed metering roller, the end cover is arranged at the mouth part of the seed metering roller and is fixedly connected in a sealing manner, so that a sealed air sucking chamber is formed, the isolation disc is arranged in the seed metering roller, a first necking cylinder of the isolation disc extends out of the end cover, the connector is sleeved on the first necking cylinder of the isolation disc and is fixedly connected with the end surface of the end cover in a sealing manner, and the structure of the isolation disc is that: the device comprises a first hollow thin-wall cylinder with one end being hollow, a first hollow necking cylinder with the other end being provided with external threads, wherein the outer diameter of the first thin-wall cylinder is slightly smaller than or equal to the inner diameter of a seed metering roller, a semicircular notch is arranged on the cylindrical surface of the opening of the first thin-wall cylinder, the cylindrical thin wall of the first thin-wall cylinder is cut into an H1 thin wall and an H2 thin wall with two lengths with different lengths, H1 is larger than H2, the outer diameter of the first necking cylinder is slightly smaller than or equal to the diameter of a through hole in the middle of an end cover, the hollow is an extraction opening, the first thin-wall cylinder of an isolation disc is arranged in the seed metering roller, the first necking cylinder of the isolation disc is arranged in the through hole of the end cover, the external threads of the first necking cylinder extend out of the end cover, the H1 thin wall of the first thin-wall cylinder is positioned at the bottom of the seed metering roller, the H1 thin-wall end face is positioned in the boss of the seed metering roller, thereby shielding the seed suction hole at the lower part of the seed metering roller, the H2 thin wall is positioned at the upper part of the seed metering roller, the H2 thin wall end face is positioned between the seed suction hole of the seed metering roller and the end cover, thereby exposing the seed suction hole at the upper part of the seed metering roller, and the connector has the structure that: the middle of the device is provided with a connecting plate, one end of the device is provided with a second necking cylinder, the other end of the device is provided with a second thin-wall cylinder, the connecting plate, the second necking cylinder and the second thin-wall cylinder are fixedly connected into a whole, a plurality of connecting holes are formed in the periphery of the connecting plate, the second necking cylinder is provided with an air vent, the air vent is provided with an internal thread, the internal thread of the second necking cylinder is screwed with the external thread of the first necking cylinder of the isolation disc, the end face of the second necking cylinder is in sealing contact with the end face of the end cover, the end face of the second thin-wall cylinder is provided with a plurality of teeth, the connecting body is fixedly connected with the fan through the plurality of connecting holes formed in the periphery of the connecting plate, the air exhaust hole of the isolation disc and the air vent of the connecting body form an air exhaust channel, and the fan is used for exhausting air in a closed air suction chamber formed by the seed discharging roller and the end cover through the air exhaust channel, so that the air suction chamber forms vacuum;
The structure of the end cover is as follows: the seed metering roller is a stepped cylinder with one large end and one small end, a through hole is formed in the middle of the end cover, the large end of the end cover is fixedly connected with the seed metering roller in a sealing way, and the small end of the end cover faces the outer side of the seed metering roller.
2. The electronic suction type vacuum seed distribution wheel for the seeder as claimed in claim 1, wherein: the seed metering roller has the structure that: the seed metering roller is the cup type body of one end shutoff, sets up inwards boss in the middle of the bottom of cup type body, the connecting hole that sets up in the boss, and the connecting hole sets up the keyway, and the surface along the circumference of seed metering roller sets up single row or double kind of holes of inhaling, has certain distance, and the equipartition setting between the top surface of every row kind of holes of inhaling and boss.
3. The electronic suction type vacuum seed distribution wheel for the seeder as claimed in claim 1, wherein: the structure of the seed metering roller is that: the seed metering roller is hollow tubular, and the one end of seed metering roller seals with the blanking cover and links firmly the cup type body that forms one end shutoff, sets up inwards boss in the middle of the bottom of blanking cover, sets up the connecting hole in the boss, and the connecting hole sets up the keyway, sets up single row or double kind of holes of inhaling at the peripheral surface of seed metering roller, and each row inhales and has certain distance, and equipartition setting between the boss top surface of kind hole and blanking cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489472.0A CN110249759B (en) | 2019-06-06 | 2019-06-06 | Electronic air suction type vacuum seed distribution wheel for seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489472.0A CN110249759B (en) | 2019-06-06 | 2019-06-06 | Electronic air suction type vacuum seed distribution wheel for seeder |
Publications (2)
| Publication Number | Publication Date |
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| CN110249759A CN110249759A (en) | 2019-09-20 |
| CN110249759B true CN110249759B (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910489472.0A Active CN110249759B (en) | 2019-06-06 | 2019-06-06 | Electronic air suction type vacuum seed distribution wheel for seeder |
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| Country | Link |
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| CN (1) | CN110249759B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109089469A (en) * | 2018-09-07 | 2018-12-28 | 李翼远 | Seed membrane band machine seeding mechanism |
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| CN2922421Y (en) * | 2006-06-16 | 2007-07-18 | 徐国利 | Air suction-type automatic sowing device |
| CN201594997U (en) * | 2010-02-27 | 2010-10-06 | 陈恒 | Pneumatic precision seed feeding hill planter |
| CN102498798A (en) * | 2011-09-29 | 2012-06-20 | 湖南农业大学 | Drum air-suction tobacco coated seed metering device |
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| CN207040188U (en) * | 2017-07-06 | 2018-02-27 | 石河子大学 | A kind of pneumatic drum type plug-seedling precision seed planter |
| CN109588088A (en) * | 2019-01-14 | 2019-04-09 | 黑龙江八农垦大学 | Aspiration type hole wheel combined type feed mechanism for seed and seed feeding method |
| CN210444829U (en) * | 2019-06-06 | 2020-05-05 | 吉林瑞丰重工有限公司 | Electronic air-suction type vacuum seed distribution wheel for seeder |
-
2019
- 2019-06-06 CN CN201910489472.0A patent/CN110249759B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002000013A (en) * | 2000-06-21 | 2002-01-08 | Yazaki Corp | Sowing machine |
| KR200214873Y1 (en) * | 2000-08-21 | 2001-02-15 | 김명환 | Seeding Machine for Direct Sowing using Pulsometer Pump |
| CN2922421Y (en) * | 2006-06-16 | 2007-07-18 | 徐国利 | Air suction-type automatic sowing device |
| CN201594997U (en) * | 2010-02-27 | 2010-10-06 | 陈恒 | Pneumatic precision seed feeding hill planter |
| CN102498798A (en) * | 2011-09-29 | 2012-06-20 | 湖南农业大学 | Drum air-suction tobacco coated seed metering device |
| CN204047113U (en) * | 2014-08-06 | 2014-12-31 | 昆明理工大学 | A kind of air-sucking type cylinder seeder |
| CN205987723U (en) * | 2016-08-31 | 2017-03-01 | 黑龙江八一农垦大学 | Aspirated-air type electric seed sowing mechanism |
| CN207040188U (en) * | 2017-07-06 | 2018-02-27 | 石河子大学 | A kind of pneumatic drum type plug-seedling precision seed planter |
| CN109588088A (en) * | 2019-01-14 | 2019-04-09 | 黑龙江八农垦大学 | Aspiration type hole wheel combined type feed mechanism for seed and seed feeding method |
| CN210444829U (en) * | 2019-06-06 | 2020-05-05 | 吉林瑞丰重工有限公司 | Electronic air-suction type vacuum seed distribution wheel for seeder |
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| CN110249759A (en) | 2019-09-20 |
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