CN101027957A - Semi-opening precisive seed sowing apparatus with central-transmission strong push - Google Patents
Semi-opening precisive seed sowing apparatus with central-transmission strong push Download PDFInfo
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- CN101027957A CN101027957A CN 200710017665 CN200710017665A CN101027957A CN 101027957 A CN101027957 A CN 101027957A CN 200710017665 CN200710017665 CN 200710017665 CN 200710017665 A CN200710017665 A CN 200710017665A CN 101027957 A CN101027957 A CN 101027957A
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Abstract
A centrically driven strong push (or blind hole) type precise seed discharger features that the precise seed-discharging wheel in the seed discharging box has the small-size and medium-size seed discharging holes, the big-size seed discharging slots, the upper leakage preventing axle, the lower seed pushing wheels for pushing said small-size and medium-size seeds in said holes (one in one). Said blind hole type one features that said seed discharging holes are blind ones.
Description
Technical field
The invention belongs to the seeding unit in the agricultural machinery manufacturing technology field, particularly seeding machinery accessory.
Background technology
Existing seeding unit has polytypes such as grooved pulley type, indent type, pneumatic type.Grooved pulley type is better to a large amount of sowing of big or middle grain effects, and indent type also can be realized semi-accuracy seeding to large seed, pneumatic type to big, the sub-precise sowing of medium-sized seed is satisfactory for result, but complex structure, cost is higher, regulates inconvenience, and is not really desirable to small-sized seeds such as rape sowing effect.95205260.1 patent " multifunctional precision seeder sleeve pipe top-unloading type seeding unit " and 99202267.3 patents " multifunctional precision seeder seeding unit " are though realize the accurate seeding of large, medium and small grain seed, but also exist structure comparatively complicated, the transmission resistance is big, seed wheel is fragile, the seeding unit box is deposited kind of amount greatly, and the cleaning of residue seed is than drawbacks such as difficulties.
Summary of the invention
The objective of the invention is the deficiencies in the prior art part is improved, make it simple in structure, cost reduces, seeding precision height, and the transmission resistance reduces, reliable operation, prolong service life, and the cleaning of residue seed is fast thoroughly, and is supporting easy for installation.
Technical solution of the present invention is divided strong push and half mouthful of Sheng kind of two kinds of structural principle, and its product divides single two a plurality of products of type of precision seeder of using that combine with grooved pulley type constant feed mechanism with precision seeder and precision metering device mechanism again more.
Specifically, a kind of center transmission strong push precision seeder, it comprises that mainly spool (9) are leaked in seeding unit shell (1), precision metering device wheel (4), middle grain resistance, axle (8), granule seed pushing wheel (23), middle grain seed pushing wheel (22), seed pushing wheel axle (13), the amount of broadcasting adjusting plate (18), pressure-bearing post (20), hairbrush (10) and feed shaft (12) are leaked in the granule resistance; Precision metering device wheel (4) external diameter unanimity, internal diameter is a step, precision metering device wheel (4) at one end has big grain seed distributing groove (17) along circumference, and the other end has grain feed outlet (16) among two row's granule feed outlets (15) and the row, two row's granule feed outlets have the axis hole of the band cross cotter slot that internal diameter matches with feed shaft (12) alternately in big grain seed distributing groove (17) section; In grain resistance leak axle (9) and be fixed on the seeding unit shell (1), the granule resistance leak axle (8) be sleeved in the grain resistance leak on the axle (9), axle (9) and granule resistance are leaked in middle grain resistance, and to leak spool (8) be circular arc; Seed pushing wheel axle (13) is positioned under feed shaft (12) center; All push away kind of a tooth on granule seed pushing wheel (23) and the middle grain seed pushing wheel (22), push away kind of tooth and evenly distribute on seed pushing wheel, inscribe is engaged in precision metering device wheel (4) and goes up in corresponding granule feed outlet (15) and the middle grain feed outlet (16).Granule seed pushing wheel (23) and middle grain seed pushing wheel (22) are engaged in seed pushing wheel axle (13) and go up rotation flexibly; The amount of broadcasting is regulated plate (18) for tightly cutting the arc thin plate of precision metering device wheel (4), on dog screw (19) is arranged, from the circular arc slit of seeding unit shell (1) one side, insert and contain in kind of the chamber; Hairbrush (10) is positioned at the top of seeding unit shell (1), is assemblied on the seeding unit shell (1) with screw (11), stops the granule feed outlet (15) and middle grain feed outlet (16) seed in addition of precision metering device wheel (4).
Precision metering device wheel (4) is gone up the internal diameter maximum of the corresponding section of granule feed outlet (15), and the internal diameter of middle grain feed outlet (16) section takes second place.
Middle grain hinders leakage axle (9) axial length and is slightly less than a granule feed outlet (15) and middle grain feed outlet (16) the interior platform length sum of correspondence section that precision metering device is taken turns (4), and granule resistance leakage (8) axial length is slightly less than the interior platform length of granule feed outlet (15) correspondence section of precision metering device wheel (4); Middle grain resistance leakage axle (9) and granule hinder and leak axle (8) is circular arc, and arc length is about 2/3rds of a circumference.
Seed pushing wheel axle (13) is positioned under feed shaft (12) center and is precision metering device wheel (4) large diameter 3/8ths with its distance, long granule feed outlet (15) and the corresponding section interior platform length sum of middle grain feed outlet (16) that is slightly less than precision metering device wheel (4) of seed pushing wheel axle (13).
Push away kind of tooth height on granule seed pushing wheel (23) and the middle grain seed pushing wheel (22) and be equal to or slightly less than the degree of depth that precision metering device wheel (4) is gone up corresponding granule feed outlet (15) and middle grain feed outlet (16), push away the aperture that kind of tooth base diameter is gone up corresponding granule feed outlet (15) and middle grain feed outlet (16) less than precision metering device wheel (4), the number that pushes away kind of tooth equals precision metering device wheel (4) and goes up 1/4th of corresponding granule feed outlet (15) and middle grain feed outlet (16) quantity.
Half mouthful of technical scheme of containing kind of precision seeder is: change the through hole of the granule feed outlet (15) on the precision metering device wheel (4) of strong push precision seeder, middle grain feed outlet (16) into blind hole, half mouthful of feed outlet (25) aperture size of containing on kind of the precision metering device wheel (24) is about 2 times of sowing crop seed (26) particle diameter, hole depth is slightly larger than seed (26) particle diameter, and the granule that saves in the strong push precision seeder hinders leakage axle (8), middle grain resistance leakage spool (9), a granule seed pushing wheel (23), middle grain seed pushing wheel (22) and seed pushing wheel axle (13).Its operation principle is: in seeding unit is contained kind of chamber, the adjusting amount of broadcasting is regulated plate (18) to eat dishes without rice or wine position about half of work feed outlet (25), seed (26) is in containing the space that can only enter between kind of alveolus about half that feed outlet (25) reserves, containing kind of a precision metering device wheel (24) for half mouthful rotates up, when forwarding top to, hairbrush (10) stops the seed outside the hole, the seed of containing in the feed outlet (25) (26) is taken out of Sheng kind of a chamber, also break away from the restriction that the amount of broadcasting is regulated plate (18), seed (26) is free movable at whole feed outlet (25) mesochite, because the volume of feed outlet (25) is about 4 times of seed (26) volume, seed can not be subjected to the extruding of feed outlet (25) wall, clogging can not appear, when feed outlet (25) is rotated to the aperture when downward-sloping, seed (26) meeting free-falling, thus realize precision metering device.
Specifically mainly by seeding unit shell (1), plant that groove (7), half mouthful are contained kind of a precision metering device wheel (24), the amount of broadcasting is regulated plate (18), hairbrush (10) and feed shaft (12) formation clearly; Hairbrush (10) is positioned at the top of seeding unit shell (1), is assemblied on the seeding unit shell (1) with screw (11); Be equipped with in the left side of seeding unit shell (1) and plant groove (7) clearly, plant fluted shaft (5) clearly and cooperate and be assemblied in the corresponding aperture of seeding unit shell (1), can make that to plant groove (7) clearly closed up and down and open around clear kind of fluted shaft (5)
Be equipped with in the left side of seeding unit shell (1) and plant groove (7) clearly, clear kind fluted shaft (5) cooperation is assemblied in the corresponding aperture of seeding unit shell (1), can make and plant groove (7) closed up and down and unlatching clearly around clear kind of fluted shaft (5), after clear kind groove (7) closure, inserting split pin (14) blocks and plants groove (7) clearly it can not be opened, can contain kind of a sowing, extract split pin (14) and open the clear groove (7) of planting, can make and contain that seed slips out automatically in kind of the chamber.
Increase grooved pulley type constant feed mechanism in precision metering device of the present invention mechanism left side and realize precise sowing and constant sowing.
The present invention compares with background technology, and the one, the strong push precision seeder changes former cause seed pushing wheel drive seed wheel and is that seed wheel drives seed pushing wheel, has reduced the resistance of eccentric gearing, and resistance leakage axle no longer supports precision metering device and takes turns, and rotates flexibly the prolongation of seed wheel life-span; The 2nd, become seed wheel and the seed pushing wheel rotating ratio is 1/4 by the rotating ratio 2/1 of original seed pushing wheel and seed wheel; The 3rd, push away kind of tooth curved surface by original
Become
Four is that half mouthful of Sheng kind of precision seeder solved the seeding blockage problem from the source, and seed wheel size and feed outlet processing limited amount system are few, and the production and processing required precision can reduce; The 5th, do not need assembled in advance feed shaft when seeding unit is produced, compact conformation, cost reduces, and is convenient to assembling; The 6th, change the rubber seeds scraper into hairbrush, and become top by the seed wheel upper lateral part, seed breakage rate and sowing hole rate reduce; The 7th, increase to slip kind of plate and the clear groove of planting, make and contain that seed is easy to clean out fast in kind of the chamber, can be used for the small size test and sow; The 8th, single with pilot hole under the precision seeder increase, it is supporting to be convenient to the design of different types of machines sower.
Description of drawings
Fig. 1 is the front view of strong push list with precision seeder
Fig. 2 is a strong push list precision seeder left view
Fig. 3 is a strong push list precision seeder vertical view
Fig. 4 is half mouthful and contains kind of single precision seeder front view of using
Fig. 5 is that half mouthful of Sheng kind of list is overlooked the operation principle schematic diagram with precision seeder
Accompanying drawing 1-5 has provided the specific embodiment of the invention.
Specifically, the strong push list with the design of type precision seeder is: (2) 4 of last pilot holes are arranged on the seeding unit shell (1), (3) 4 of following pilot holes, the clear fluted shaft (5) of planting is contained in the corresponding hole of seeding unit shell (1), make and plant groove (7) clearly and opens upwards closed back split pin (14) pinning in seeding unit shell (1) left side along the clear fluted shaft (5) of planting up and down.The slide kind plate (6) that tilts to left down of tightly cutting precision metering device wheel (4) is arranged in the seeding unit box, extract split pin (14), pull open downwards and plant groove (7) clearly, seeding unit can be contained the quick cleaning of the seed of planting in the chamber thoroughly.Middle grain resistance is leaked axle (9) and is fixed in the seeding unit shell (1), granule resistance leakage axle (8) is sleeved on the middle grain resistance leakage axle (9), the resistance of grain resistance leakage axle (9) and granule was leaked on the axle (8) during precision metering device wheel (4) was assemblied in, granule feed outlet (15) two rows are arranged on the precision metering device wheel (4), middle grain feed outlet (16) one rows and a big seed distributing groove (17) one rows, precision metering device wheel (4) internal diameter is a step.Seed pushing wheel axle (13) is arranged in seeding unit shell (1), and middle grain seed pushing wheel (22) and granule seed pushing wheel (23) are assemblied on the seed pushing wheel axle (13) and can rotate flexibly.All push away kind of a tooth on middle grain seed wheel (22) and the granule seed wheel (23), middle grain seed pushing wheel (22) and granule seed pushing wheel (23) bottom and its inscribe in precision metering device wheel (4), seed pushing wheel tooth engage in corresponding precision metering device wheel (4) granule feed outlet (15) and middle feed outlet (16).The groove of the big grain seed distributing groove (17) on the precision metering device wheel (4) is a circular arc.In precision metering device wheel (4) axis hole the cross cotter slot is arranged, the pin pin on the feed shaft (12) is gone into, the rotation torsion of feed shaft (12) is passed to precision metering device wheel (4).Contain kind of chamber one side at seeding unit, have the amount of broadcasting of tightly cutting precision metering device wheel (4) to regulate plate (18), dog screw (19) is arranged on the plate (18), plate (18) can inject and extract out from seeding unit box one side, is used for regulating the sowing crop species and the amount of broadcasting.When regulating plate (18), earlier to going out turn dog screw (19), twitch plate (18) behind adjusting position, precession dog screw (19) makes its roof pressure pressure-bearing post (20).Hairbrush (10) is arranged at precision metering device wheel top, is assemblied on the seeding unit shell (1) with screw (11).
Its operation principle is: regulate the amount of broadcasting and regulate plate (18) to sowing the crop amount of broadcasting position, seeding unit is contained in kind of the chamber and is filled seed, the sower land wheel drives feed shaft (12) and moves in the direction of the clock, precision metering device wheel (4) is also moved in the direction of the clock, the seed of containing in kind of the chamber is advanced in people's feed outlet (15) or (16) by the effect of gravity, this moment, the internal orifice of granule feed outlet (15) and middle grain feed outlet (16) was leaked (9) shutoff by granule resistance leakage axle (8) and middle grain resistance, seed in the hole can not fallen in the precision metering device wheel (4), when feed outlet (15), when (16) turning to top, feed outlet (15), (16) seed is in addition stopped by hairbrush (10), stay and contain in kind of the chamber, and in feed outlet (15), (16) Nei seed is rotated further, when turning to the aperture, right side when downward-sloping, feed outlet (15), (16) Nei seed progressively drops downwards, can not be from feed outlet (15), (16) seed that falls automatically is when it turns to the bottom, from interior engagement people feed outlet (15), (16) seed pushing wheel (23), (22) kind of the tooth that pushes away on is released it, solve the eyelet blocking problem, realize precise sowing.
To large seed sowing, will the amount of broadcasting regulate plate (18) and pull out and get final product, do not push away kind of a mechanism.
Containing kind of a single design with precision seeder for half mouthful is: the feed outlet (25) on the precision metering device wheel (24) is made blind hole, aperture and hole depth are about 2 times of corresponding sowing crop seed (26) particle diameters and are slightly larger than particle diameter, contain mechanisms such as no longer including resistance leakage axle, seed pushing wheel and seed pushing wheel axle in kind of the precision metering device wheel (24) for half mouthful, other is with strong push precision metering device mechanism.
Many designs with precision seeder are: use on the basis of precision seeder single, increase the size of seeding unit shell (1), the parallel NJ210-80 outer groove-wheel feed mechanism (general seeding unit, structure are as well known to those skilled in the art) that installs additional deducts and plants groove (7) clearly and get final product in the left side of precision metering device mechanism.
The present invention is assemblied under the sower seed-box, during work, earlier will the amount of broadcasting regulating plate (18) adjusts to and wants to sow the crop amount of broadcasting position, precession dog screw (19), make its roof pressure pressure-bearing post (20), the assurance amount of broadcasting is regulated plate (18) and tightly cut precision metering device wheel (4) in being contained kind of chamber, can not move left and right.As sow rape, used is the strong push precision seeder, should reserve a row or two row's little feed outlets (15) on demand, if half mouthful is contained kind of a precision seeder, the amount of broadcasting should be regulated plate (18) be transferred to and seal half position, little feed outlet aperture, when the amount of broadcasting requires to increase, with two amounts of broadcasting regulate plates (18) from the circular arc slit of two sides seeding unit shell, inject respectively contain in kind of the chamber and respectively envelope be inserted into two row half position, float kind aperture, in seed-box, add people's seed then, land wheel drives feed shaft (12) and rotates along clockwise direction, and precision metering device wheel (4) is also moved in the direction of the clock, seed in Sheng kind of the chamber is because gravitate, automatically do not enter and regulate in the interior or half-open granule feed outlet (25) of the slotting granule feed outlet (15) that blocks up of plate (18) with the amount of broadcasting, granule feed outlet (15) internal orifice is leaked axle (8) shutoff by the granule resistance, precision metering device wheel (4), (24) rotate, make the granule feed outlet (15) on it, (25) in containing kind of chamber, upwards rotate, when granule feed outlet (15), when (25) turning to top hairbrush (10) position, in granule feed outlet (15), (25) Wai seed is stopped by hairbrush (10), and in granule feed outlet (15), (25) Nei seed is rotated further, when granule feed outlet (15), (25) turn to the aperture, right side when downward-sloping, granule feed outlet (15), (25) Nei the downward landing of seed gravitate, have in the granule feed outlet (15) of strong push precision seeder and compressed the seed of failing to fall automatically, when it turns to the bottom, from interior granule seed pushing wheel (23) tooth that engages in the granule feed outlet (15) it is released by force, overcome feed outlet and stop up the disconnected ridge problem of being short of seedling that causes.Half mouthful of seed (26) of containing in kind of the precision seeder feed outlet (25) because volume only reaches about 1/4th of feed outlet (25) volume, do not have the extruding obstruction and takes place, and realizes precise sowing.
After sowing finished, seed packet on the side joint of seeding unit lower-left was taken out split pin (14), pulled down the clear groove (7) of planting, and the residue seed can slip out smoothly in Sheng kind of the chamber.
Claims (10)
1. a center transmission strong push precision seeder is characterized in that mainly comprising that spool (9) are leaked in seeding unit shell (1), precision metering device wheel (4), middle grain resistance, axle (8), granule seed pushing wheel (23), middle grain seed pushing wheel (22), seed pushing wheel axle (13), the amount of broadcasting adjusting plate (18), pressure-bearing post (20), hairbrush (10) and feed shaft (12) are leaked in the granule resistance; Precision metering device wheel (4) external diameter unanimity, internal diameter is a step, precision metering device wheel (4) at one end has big grain seed distributing groove (17) along circumference, and the other end has grain feed outlet (16) among two row's granule feed outlets (15) and the row, two row's granule feed outlets have the axis hole of the band cross cotter slot that internal diameter matches with feed shaft (12) alternately in big grain seed distributing groove (17) section; In grain resistance leak axle (9) and be fixed on the seeding unit shell (1), the granule resistance leak axle (8) be sleeved in the grain resistance leak on the axle (9), axle (9) and granule resistance are leaked in middle grain resistance, and to leak spool (8) be circular arc; Seed pushing wheel axle (13) is positioned under feed shaft (12) center; All push away kind of a tooth on granule seed pushing wheel (23) and the middle grain seed pushing wheel (22), push away kind of tooth and evenly distribute on seed pushing wheel, inscribe is engaged in precision metering device wheel (4) and goes up in corresponding granule feed outlet (15) and the middle grain feed outlet (16).Granule seed pushing wheel (23) and middle grain seed pushing wheel (22) are engaged in seed pushing wheel axle (13) and go up rotation flexibly; The amount of broadcasting is regulated plate (18) for tightly cutting the arc thin plate of precision metering device wheel (4), on dog screw (19) is arranged, from the circular arc slit of seeding unit shell (1) one side, insert and contain in kind of the chamber; Hairbrush (10) is positioned at the top of seeding unit shell (1), is assemblied on the seeding unit shell (1) with screw (11), stops the granule feed outlet (15) and middle grain feed outlet (16) seed in addition of precision metering device wheel (4).
2. center transmission strong push precision seeder according to claim 1 is characterized in that: precision metering device wheel (4) is gone up the internal diameter maximum of the corresponding section of granule feed outlet (15), and the internal diameter of middle grain feed outlet (16) section takes second place.
3. center transmission strong push precision seeder according to claim 1, it is characterized in that: middle grain hinders leakage axle (9) axial length and is slightly less than a granule feed outlet (15) and middle grain feed outlet (16) the interior platform length sum of correspondence section that precision metering device is taken turns (4), and granule resistance leakage (8) axial length is slightly less than the interior platform length of granule feed outlet (15) correspondence section of precision metering device wheel (4); Middle grain resistance leakage axle (9) and granule hinder and leak axle (8) is circular arc, and arc length is about 2/3rds of a circumference.
4. center transmission strong push precision seeder according to claim 1, it is characterized in that: seed pushing wheel axle (13) is positioned under feed shaft (12) center and is precision metering device wheel (4) large diameter 3/8ths with its distance, long granule feed outlet (15) and the corresponding section interior platform length sum of middle grain feed outlet (16) that is slightly less than precision metering device wheel (4) of seed pushing wheel axle (13).
5. center transmission strong push precision seeder according to claim 1, it is characterized in that: push away kind of tooth height on granule seed pushing wheel (23) and the middle grain seed pushing wheel (22) and be equal to or slightly less than the degree of depth that precision metering device wheel (4) is gone up corresponding granule feed outlet (15) and middle grain feed outlet (16), push away the aperture that kind of tooth base diameter is gone up corresponding granule feed outlet (15) and middle grain feed outlet (16) less than precision metering device wheel (4), the number that pushes away kind of tooth equals precision metering device wheel (4) and goes up 1/4th of corresponding granule feed outlet (15) and middle grain feed outlet (16) quantity.
6. center transmission strong push precision seeder according to claim 1, it is characterized in that: be equipped with in the left side of seeding unit shell (1) and plant groove (7) clearly, clear kind fluted shaft (5) cooperation is assemblied in the corresponding aperture of seeding unit shell (1), can make and plant groove (7) closed up and down and unlatching clearly around clear kind of fluted shaft (5), after clear kind groove (7) closure, inserting split pin (14) blocks and plants groove (7) clearly it can not be opened, can contain kind of a sowing, extract split pin (14) and open the clear groove (7) of planting, can make and contain that seed slips out automatically in kind of the chamber.
7. contain kind of precision seeders for one and half mouthfuls, mainly by seeding unit shell (1), plant that groove (7), half mouthful are contained kind of a precision metering device wheel (24), the amount of broadcasting is regulated plate (18), hairbrush (10) and feed shaft (12) formation clearly; Hairbrush (10) is positioned at the top of seeding unit shell (1), is assemblied on the seeding unit shell (1) with screw (11); Be equipped with in the left side of seeding unit shell (1) and plant groove (7) clearly, plant fluted shaft (5) clearly and cooperate and be assemblied in the corresponding aperture of seeding unit shell (1), can make that to plant groove (7) clearly closed up and down and open around clear kind of fluted shaft (5).
8. contain kind of a precision seeder for half mouthful according to claim 7, it is characterized in that: contain kind of precision metering device wheel (a 24) external diameter unanimity for half mouthful, along circumference segmentation thereon a few row's seeding blind holes (25) are arranged, aperture and hole depth are by about 2 times of seed (26) particle diameter and be slightly larger than 1 times of making, the aperture of same row's feed outlet (25), hole depth should be consistent, the aperture and the hole depth of different rows' feed outlet (25) can be the same or different, and the internal diameter of half mouthful of Sheng kind of precision metering device wheel (24) and feed shaft (12) match to merge and have the cross cotter slot.
9. contain kind of a precision seeder for half mouthful according to claim 7, it is characterized in that: the amount of broadcasting is regulated plate (18) and is contained kind of the garden arc thin plate of precision metering device wheel (24) for tightly cutting half mouthful, on dog screw (19) is arranged, from the circular arc slit of the one or both sides of seeding unit shell (1), insert and contain in kind of the chamber, insert envelope work feed outlet (25) aperture about half.
10. according to claim 1,2,3,4,5,7,8,9 each described center transmission strong push and half mouthful of Sheng kind of precision seeder, it is characterized in that: increase grooved pulley type constant feed mechanism in precision metering device mechanism left side and realize precise sowing and constant sowing.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100176653A CN100420363C (en) | 2007-04-02 | 2007-04-02 | Semi-opening precisive seed sowing apparatus with central-transmission strong push |
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| CNB2007100176653A CN100420363C (en) | 2007-04-02 | 2007-04-02 | Semi-opening precisive seed sowing apparatus with central-transmission strong push |
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| CN101027957A true CN101027957A (en) | 2007-09-05 |
| CN100420363C CN100420363C (en) | 2008-09-24 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103444320A (en) * | 2012-06-02 | 2013-12-18 | 刘建坡 | Small grain seeder |
| CN103843500A (en) * | 2014-01-24 | 2014-06-11 | 张宇文 | Precise seed-metering unit with air injection-seed cleaning combined geneva wheel |
| CN105191549A (en) * | 2015-09-10 | 2015-12-30 | 蚌埠市裔湾生态蔬菜农民专业合作社 | Celery seeding disc |
| CN105519287A (en) * | 2016-01-18 | 2016-04-27 | 巢湖学院 | Air-suction seed-slipping type precision seeding device |
| CN105638048A (en) * | 2016-01-14 | 2016-06-08 | 西北农林科技大学 | Small seed metering device |
| CN106258106A (en) * | 2015-05-13 | 2017-01-04 | 西北农林科技大学 | A kind of novel fine grain precision seeder |
| CN107295841A (en) * | 2017-06-16 | 2017-10-27 | 张宇文 | It is strong to push away combination regulation sheave precision seeder |
| CN108064509A (en) * | 2017-12-28 | 2018-05-25 | 台前县金园农业机械有限公司 | Multi-function seed feed mechanism for seed and application process |
| CN108283037A (en) * | 2018-01-26 | 2018-07-17 | 中国农业大学 | Formula single-grain precision seeding apparatus is filled in combination again |
| CN109089489A (en) * | 2018-06-26 | 2018-12-28 | 西南大学 | A kind of sweet tea buckwheat bitter buckwheat General type seeding apparatus |
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| CN103444320A (en) * | 2012-06-02 | 2013-12-18 | 刘建坡 | Small grain seeder |
| CN103843500A (en) * | 2014-01-24 | 2014-06-11 | 张宇文 | Precise seed-metering unit with air injection-seed cleaning combined geneva wheel |
| CN106258106A (en) * | 2015-05-13 | 2017-01-04 | 西北农林科技大学 | A kind of novel fine grain precision seeder |
| CN105191549A (en) * | 2015-09-10 | 2015-12-30 | 蚌埠市裔湾生态蔬菜农民专业合作社 | Celery seeding disc |
| CN105638048A (en) * | 2016-01-14 | 2016-06-08 | 西北农林科技大学 | Small seed metering device |
| CN105519287A (en) * | 2016-01-18 | 2016-04-27 | 巢湖学院 | Air-suction seed-slipping type precision seeding device |
| CN107295841A (en) * | 2017-06-16 | 2017-10-27 | 张宇文 | It is strong to push away combination regulation sheave precision seeder |
| CN108064509A (en) * | 2017-12-28 | 2018-05-25 | 台前县金园农业机械有限公司 | Multi-function seed feed mechanism for seed and application process |
| CN108283037A (en) * | 2018-01-26 | 2018-07-17 | 中国农业大学 | Formula single-grain precision seeding apparatus is filled in combination again |
| CN108283037B (en) * | 2018-01-26 | 2024-03-26 | 中国农业大学 | Combined double-charging single-grain precision seed sowing device |
| CN109089489A (en) * | 2018-06-26 | 2018-12-28 | 西南大学 | A kind of sweet tea buckwheat bitter buckwheat General type seeding apparatus |
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| CN100420363C (en) | 2008-09-24 |
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Assignee: Zhang Yuwen Assignor: Beijing Kaifurui agricultural science and Technology Development Co. Ltd. Contract record no.: 2010110000190 Denomination of invention: Semi-opening precisive seed sowing apparatus with central-transmission strong push Granted publication date: 20080924 License type: Exclusive License Open date: 20070905 Record date: 20101108 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Kaifurui agricultural science and Technology Development Co. Ltd. Assignor: Zhang Yuwen Contract record no.: 2010110000190 Denomination of invention: Semi-opening precisive seed sowing apparatus with central-transmission strong push Granted publication date: 20080924 License type: Exclusive License Open date: 20070905 Record date: 20101108 |