CN103329666A - Push rod-mixing disc combination type bidirectional pneumatic precise seed sowing device for rice bud seed direct sowing - Google Patents
Push rod-mixing disc combination type bidirectional pneumatic precise seed sowing device for rice bud seed direct sowing Download PDFInfo
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- CN103329666A CN103329666A CN2013102350448A CN201310235044A CN103329666A CN 103329666 A CN103329666 A CN 103329666A CN 2013102350448 A CN2013102350448 A CN 2013102350448A CN 201310235044 A CN201310235044 A CN 201310235044A CN 103329666 A CN103329666 A CN 103329666A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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Abstract
The invention discloses a push rod-mixing disc combination type bidirectional pneumatic precise seed sowing device for rice bud seed direct sowing. The device comprises a seed box, a seed filling chamber, a housing, an air chamber, a seed sowing shaft, a first shaft sleeve arranged between the seed sowing shaft and a first shaft hole, a second shaft sleeve arranged between the seed sowing shaft and a second shaft hole, a transmission chain wheel, a seed absorption disc arranged on the seed sowing shaft, a baffle plate arranged between the first shaft hole and the side wall of the housing, and a seed guide pipe arranged on the side wall of the housing; the air chamber is internally provided with a negative pressure region and a positive pressure air blowing hole; a cam wheel is fixed on the other end of the seed sowing shaft; the seed filling chamber is internally provided with a third shaft hole; the third shaft hole is provided with a push rod; one end of the push rod is provided with a flange, and the other end of the push rod is provided with a positioning pin; the push rod is provided with a spring; the spring is positioned between the flange and the seed filling chamber; the cam wheel is matched with one end of the push rod. The device provided by the invention has little damage to rice bud seeds, has good shape adaptability to the rice bud seeds, meanwhile, also can improve the mobility of the rice bud seeds in the seed box, achieves the precise seed sowing, and reduces the seed waste.
Description
Technical field
The present invention relates to agricultural machinery technological field, refer to that particularly a kind of push rod stirs the live precise seeder of dish combined bidirectional pneumatic type paddy rice bud kind.
Background technology
Live and rice transplanting are two kinds of different cultivation methods in the rice cropping.Rice direct-seeding is that a kind of rice that the bud kind after the vernalization is directly broadcast into the land for growing field crops with sower is made mode, need not seedling, pull up seedlings, transplant supervisor, having advantages such as saving of labor, laborsaving, province rice seedling bed, is that a kind of low-cost rice light-duty, that simplify makes new technology, is subjected to the welcome of vast farmers deeply.
The live general requirement of paddy rice bud kind is carried out presoaking and germinating with seed and is handled, and reaches brokenly that chest shows money or valuables one carries unintentionally or bud length is no more than the standard of 3mm.The flowability of paddy rice bud kind to the bud kind in seeding unit fill kind of performance and movement law has appreciable impact.Practice shows, be subjected to factor affecting such as rice varieties, moisture content, container shapes for present existing rice direct-seeding seeding unit, paddy rice bud kind is difficult to stable smooth flowing in the seeding unit from kind of case, and because the winding of bud kind is difficult to realize that every seed number per is 2 ~ 3.
For existing paddy rice seeding unit, be 02126718.9 Chinese invention patent as application number, the special-purpose seeding unit of a kind of paddy planter is disclosed, can regulate size and the sowing grain weight of indent hole by adjustment screw and handwheel, but but drilling bunch planting again; But its structure is complicated, because it adopts the mode of mechanical force more serious to the damage of bud kind, and every bunch planting kind grain number can not accurately control, and is difficult to realize precision drilling.Be that 200610016810.1 Chinese invention patent discloses a kind of double-disc air-suction type precision seed sowing device as application number, can respectively adsorb a paddy rice bud kind by two seed plates, realize that every seed number per is 2; Its shortcoming is that the flowability of paddy rice bud kind in kind of case is poor, kind of the phenomenon of tank tower sky occurs easily, and it is relatively poor to fill kind of effect, does not blow kind because positive draft is set, and occurs broadcast leakage easily, and the seeding coefficient of variation is bigger.In addition, common rice direct-seeding seeding unit has that malleation is blown kind and negative pressure is inhaled a kind structure on the market, can solve the above-mentioned mechanical force of mentioning and fill the damage that kind of mode causes the bud kind, but above-mentioned every bunch planting kind grain number of mentioning can not accurately be controlled, the flowability of paddy rice bud kind in kind of case is poor, and problems such as the empty phenomenon of easy appearance kind of tank tower still exist.
Summary of the invention
Purpose of the present invention will provide a kind of push rod to stir the live precise seeder of dish combined bidirectional pneumatic type paddy rice bud kind exactly, this seeding unit is little to the damage of paddy rice bud kind, shape adaptability to paddy rice bud kind is good, simultaneously can also improve the flowability of paddy rice bud kind in kind of case, and the realization precision drilling, reduced the waste of seed.
For realizing this purpose, the designed push rod of the present invention stirs the live precise seeder of dish combined bidirectional pneumatic type paddy rice bud kind, it comprises kind of a case, what be communicated with kind of case fills kind of a chamber, with fill the case that kind of chamber is communicated with and offers first axis hole, be fixed on case one side and be provided with the air chamber of second axis hole, be arranged on the feed shaft in first axis hole and second axis hole, be arranged on first axle sleeve between feed shaft and first axis hole, be arranged on second axle sleeve between feed shaft and second axis hole, be fixed on the drive sprocket of feed shaft one end, being arranged on also can be with the seeds sucker of feed shaft rotation on the feed shaft, be arranged on the baffle plate between first axis hole and the case sidewall, be arranged on the grain conductor on the case sidewall, described seeds sucker is between case and air chamber, be provided with negative pressuren zone and malleation gas hole in the described air chamber, it is characterized in that: comprise that also two ends are respectively equipped with the push rod of flange and alignment pin, be enclosed within the spring on the push rod, the cam that cooperates with flange, described cam is fixed on the other end of feed shaft, the described dual-side that fills kind of chamber is equipped with Triaxial hole, described push rod is positioned at Triaxial hole, and described spring is at flange and fill between kind of the chamber.
The card upper edge of described seeds sucker circumferentially evenly is provided with a plurality of kind of fans that stir, and described a plurality of kind of fans that stir all are positioned at case, and wherein, each side of stirring kind of fan is equipped with a plurality of suction kind types hole.
Described kind of two relative inboards of case tank wall are equipped with a plurality of hemispherical convex closures, and another two relative inboards are equipped with a plurality of corrugated raised lines.
Also be provided with on the described case and fill kind of a port, the described bottom surface of filling kind of chamber is the inclined-plane setting, and inboard, described bottom surface is provided with a plurality of infundibulate seed distributing grooves side by side, the seeding port of described infundibulate seed distributing groove with fill kind of a port and be communicated with.
The outward flange of described case is fixedlyed connected by seal washer with the outward flange of air chamber.
In the technique scheme, it also comprises flange, and described seeds sucker is fixed on the flange, is connected with keyway by flat key between the endoporus of described flange and the feed shaft.
The width of the seeding port of described infundibulate seed distributing groove is the twice of paddy rice bud kind average length.
The height of described infundibulate seed distributing groove is 2 ~ 4mm.
The diameter in described suction kind type hole is 1.2 ~ 1.8mm.
Beneficial effect of the present invention is:
1) the present invention is adsorbed, is delivered and throw in paddy rice by the two-way airflow of negative pressuren zone and malleation gas hole, air-flow is very little to the damage of paddy rice bud kind, and is good to the shape adaptability of paddy rice bud kind, paddy rice survival rate height, high efficiency has been saved great amount of manpower and material resources.
2) of the present invention kind of case uses bionics principle, establishes the hemispherical convex closure by leading flank and trailing flank at kind of case, and left surface and right flank are established corrugated raised line.And in filling kind of chamber, push rod is installed, and fill the bottom surface of kind of chamber and establish the infundibulate seed distributing groove, solved effectively because the winding of paddy rice bud kind, mobile difference causes fills problem such as kind of difficulty, makes the stable smooth quantitative flow of seed to seeding unit.
3) suction kind of type hole is set on the seeds sucker of the present invention and stirs kind of a fan, stir kind of fan and before filling kind, paddy rice bud kind is stirred pine, reduce adhesive force and frictional force between the bud kind, be conducive to seed is adsorbed on the type hole of seeds sucker, and guide effect is arranged, improve kind of the performance of filling of seeding unit.
4) the present invention also can be used for sowing other precise hole sowing crops, only needs the seeds sucker in the type hole of replacing varying number to get final product.
5) the present invention simple in structure, compact, be convenient to make, favorable working performance is convenient to observe, and keeps in repair easy to adjust.
Description of drawings
Fig. 1 is sectional structure schematic diagram of the present invention;
Fig. 2 is main TV structure schematic diagram of the present invention;
Fig. 3 is the air chamber structure schematic diagram among the present invention;
Fig. 4 is the structural representation of case among the present invention;
Fig. 5 is the structural representation of seal washer among the present invention;
Fig. 6 is the structural representation of seeds sucker among the present invention;
Fig. 7 is the sectional structure schematic diagram of cam of the present invention;
Fig. 8 is for planting the structural representation of case among the present invention;
Fig. 9 is the structural representation of left surface in kind of the case;
Figure 10 is the structural representation of leading flank in kind of the case;
Figure 11 is for filling the structural representation of kind of chamber among the present invention;
Figure 12 fills kind of the structural representation of bottom surface, chamber;
Wherein, 1-air chamber, 1.1-the second axis hole, 2-the second axle sleeve, 3-drive sprocket, 4-kind of case, 4.1-hemispherical convex closure, 4.2-corrugated raised line, 5-fill kind of a chamber, 5.1-the Triaxial hole, 5.2-infundibulate seed distributing groove, 5.3-bottom surface, 6-cam, 6.1-horizontal through hole, 6.2-the first screwed hole, 7-the first axle sleeve, 8-feed shaft, 8.1-the second screwed hole, 9-case, 9.1-the first axis hole, 9.2-fill kind of a port, 10-flange, 10.1-flat key, 10.2-keyway, 11-seeds sucker, 12-push rod, 12.1-flange, 12.2-spring, 12.3-alignment pin, 13-grain conductor, 14-suction hole, 15-negative pressuren zone, 16-malleation gas hole, 17-stir kind of a fan, 18-suction kind of type hole, 19-seal washer, 20-baffle plate.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
The push rod of the present invention's design stirs the live precise seeder of dish combined bidirectional pneumatic type paddy rice bud kind, shown in Fig. 1 ~ 12, comprise kind of case 4, what be communicated with kind of case 4 fills kind of chamber 5, with fill the case 9 that kind of chamber 5 is communicated with and offers first axis hole 9.1, be fixed on case 9 one sides and be provided with the air chamber 1 of second axis hole 1.1, be arranged on the feed shaft 8 in first axis hole 9.1 and second axis hole 1.1, be arranged on first axle sleeve 7 between feed shaft 8 and first axis hole 9.1, be arranged on second axle sleeve 2 between feed shaft 8 and second axis hole 1.1, be fixed on the drive sprocket 3 of feed shaft 8 one ends, being arranged on also can be with the seeds sucker 11 of feed shaft 8 rotations on the feed shaft 8, be arranged on the baffle plate 20 between first axis hole 9.1 and case 9 sidewalls, be arranged on the grain conductor 13 on case 9 sidewalls, described seeds sucker 11 is between case 9 and air chamber 1, be provided with negative pressuren zone 15 and malleation gas hole 16 in the described air chamber 1, comprise that also two ends are respectively equipped with the push rod 12 of flange 12.1 and alignment pin 12.3, be enclosed within the spring 12.2 on the push rod 12, the cam 6 that cooperates with flange 12.1, described cam 6 is fixed on the other end of feed shaft 8, the described dual-side that fills kind of chamber 5 is equipped with Triaxial hole 5.1, push rod 12 is positioned at Triaxial hole 5.1, and spring 12.2 is at flange 12.1 and fill between kind of the chamber 5.Namely become the present invention.
In the technique scheme, cam 6 promotes push rod 12 and moves around in turning course, thereby improves the flowability of paddy rice bud kind.Above-mentioned baffle plate 20 is used for preventing that paddy rice bud kind from directly falling into grain conductor 13.Above-mentioned case 9 is made by transparent lucite.
In the technique scheme, being matched in clearance between first axle sleeve 7 and second axle sleeve 2 and the feed shaft 8, is interference fit between first axle sleeve 7 and the case 9, also is interference fit between second axle sleeve 2 and the air chamber 1.
In the technique scheme, described negative pressuren zone 15 is shape of a hoof negative pressuren zone, this shape of a hoof negative pressuren zone is four/three-arc, shape of a hoof negative pressuren zone links to each other with suction hole 14, suction hole 14 links to each other with the negative pressure end of blower fan, being used to form the negative sense air-flow is adsorbed on paddy rice bud kind on the seeds sucker 11, air chamber 1 lower end is malleation gas hole 16, malleation gas hole 16 links to each other with the positive pressure side of blower fan, bud kind on the seeds sucker 11 is blown under the effect of gravity own and positive draft in the grain conductor 13, and negative sense air-flow and positive draft form two-way airflow.
In the technique scheme, there are two bolts hole air chamber 1 lower end, and air chamber 1 is fixed on the seeding unit testing stand by screw bolt and nut.
In the technique scheme, the card upper edge of described seeds sucker 11 circumferentially evenly is provided with a plurality of kind of fans 17 that stir, and a plurality of kind of fans 17 that stir all are positioned at case 9, and wherein, each stirs kind of a side of fan 17 and is equipped with a plurality of suction kind types hole 18.Above-mentioned seeds sucker 11 is circumferentially evenly arranged the suction kind type hole 18 that 10 row's spacings equate, 3 of every rows inhale kind of a type hole 18, guarantee that every bunch planting kind grain number is 2 ~ 3, realize precision drilling easily, reduce the waste of seed.
In the technique scheme, plant two relative inboards of case 4 tank walls and be equipped with a plurality of hemispherical convex closures 4.1, another two relative inboards are equipped with a plurality of corrugated raised lines 4.2.
In the technique scheme, also be provided with on the described case 9 and fill kind of port 9.2, the bottom surface 5.3 of filling kind of chamber 5 is the inclined-plane setting, and 5.3 inboards, described bottom surface are provided with a plurality of infundibulate seed distributing grooves 5.2 side by side, the seeding port of infundibulate seed distributing groove 5.2 with fill kind of port 9.2 and be communicated with.The above-mentioned top of filling 5 bottom surfaces 5.3, kind of chamber is the large port of infundibulate seed distributing groove 5.2, and the bottom of filling 5 bottom surfaces 5.3, kind of chamber is the portlet of infundibulate seed distributing groove 5.2, the portlet of infundibulate seed distributing groove 5.2 with fill kind of port 9.2 and be communicated with.The flange that fills kind of chamber 5 is bolted to connection on case 9.
In the technique scheme, the outward flange of the outward flange of case 9 and air chamber 1 is fixedlyed connected by seal washer 19.Thereby guarantee the air-tightness of shape of a hoof negative pressuren zone.
In the technique scheme, it also comprises flange 10, and seeds sucker 11 is fixed on the flange 10, is connected with keyway 10.2 by flat key 10.1 between the endoporus of flange 10 and the feed shaft 8.
In the technique scheme, the width of the seeding port of infundibulate seed distributing groove 5.2 is the twice of paddy rice bud kind average length.
In the technique scheme, the height of infundibulate seed distributing groove 5.2 is 2 ~ 4mm.
In the technique scheme, inhaling kind of the diameter in type hole 18 is 1.2 ~ 1.8mm.
In the technique scheme, above-mentioned cam 6 is provided with first screwed hole 6.2 of horizontal through hole 6.1 and vertical and horizontal through hole 6.1, the other end of above-mentioned feed shaft 8 is provided with second screwed hole 8.1, the other end of described feed shaft 8 is inserted in the horizontal through hole 6.1, and first screwed hole 6.2 and second screwed hole 8.1 are bolted to connection.
The course of work of the present invention is:
By screw bolt and nut the present invention is fixed on the seeding unit testing stand, before the present invention starts working, to be positioned in the casing of kind of case 4 through the paddy rice bud kind of vernalization earlier, because the gravity effect, paddy rice bud kind can be fallen kind of the port 9.2 that fills of case 9 and piles up and form Seed Layer through overcharging kind of chamber 5; With 3 revolutions of driven by motor drive sprocket, drive sprocket 3 is done counterclockwise circular motion by feed shaft 8 driving flanges 10, seeds sucker 11 with cam 6 relative air chambers 1; Along with seeds sucker 11 in air chamber 1 rotating process, the suction kind type hole 18 on the seeds sucker 11 communicates with shape of a hoof negative pressuren zone and the malleation gas hole 16 of air chamber 1 successively, thereby realizes the conversion between negative pressure and the malleation; Seeds sucker 11 is done clockwise circular motion with respect to case 9, seeds sucker 11 go to case 9 fill kind of port 9.2 time, owing to be subjected to the effect of shape of a hoof negative pressuren zone negative pressure, paddy rice bud kind can be drawn on the suction kind type hole 18 of seeds sucker 11, revolution along with seeds sucker 11, kind of the fan 17 that stirs on the seeds sucker 11 is understood the effect that constantly stir pine to paddy rice bud kind and play guiding, and paddy rice bud kind successfully is adsorbed on the suction kind type hole 18 of seeds sucker 11, finishes kind of the process of filling; Revolution along with seeds sucker 11, be adsorbed to the paddy rice bud kind of inhaling on kind of the type hole 18 and break away from Seed Layer through shape of a hoof negative pressuren zone, when being attracted to the paddy rice bud kind disengaging negative pressuren zone of inhaling on kind of the type hole 18, owing to lose suction function, paddy rice bud kind can rely on the effect of self gravitation or the effect of malleation gas hole 16 place's malleation air-flows to drop down onto in the grain conductor 13, paddy rice bud kind is discharged through grain conductor 13, enters next working cycles; The adjusting of seeding quantity can realize by the seeds sucker 11 that replacing has a suction kind type hole 18 of varying number.
In the course of the work, be provided with hemispherical convex closure 4.1 and corrugated raised line 4.2 owing to plant case 4, and feed shaft 8 drives in the cam 6 rotating processes, effect by cam 6 and spring 12.2, push rod 12 can be in filling kind of chamber 5 rectilinear motion back and forth, make the flowability of paddy rice bud kind be improved, paddy rice bud kind flow in the infundibulate seed distributing groove 5.2 that fills kind of chamber 5 down smoothly the auxiliary of push rod 12,5.2 pairs of paddy rice buds of infundibulate seed distributing groove kind plays the effect of shunting, can further improve the flowability of paddy rice bud kind like this, paddy rice bud kind can be stablized smooth fill kind of port 9.2 from kind of case 4 quantitative flows to case 9, thereby improve kind of the performance of filling of seeding unit.
Claims (9)
1. a push rod stirs the live precise seeder of dish combined bidirectional pneumatic type paddy rice bud kind, it comprises kind of a case (4), what be communicated with kind of a case (4) fills kind of a chamber (5), with fill the case (9) that kind of a chamber (5) is communicated with and offers first axis hole (9.1), be fixed on case (9) one sides and be provided with the air chamber (1) of second axis hole (1.1), be arranged on the feed shaft (8) in first axis hole (9.1) and second axis hole (1.1), be arranged on first axle sleeve (7) between feed shaft (8) and first axis hole (9.1), be arranged on second axle sleeve (2) between feed shaft (8) and second axis hole (1.1), be fixed on the drive sprocket (3) of feed shaft (8) one ends, being arranged on feed shaft (8) upward also can be with the seeds sucker (11) of feed shaft (8) rotation, be arranged on the baffle plate (20) between first axis hole (9.1) and case (9) sidewall, be arranged on the grain conductor (13) on case (9) sidewall, described seeds sucker (11) is positioned between case (9) and the air chamber (1), be provided with negative pressuren zone (15) and malleation gas hole (16) in the described air chamber (1), it is characterized in that: comprise that also two ends are respectively equipped with the push rod (12) of flange (12.1) and alignment pin (12.3), be enclosed within the spring (12.2) on the push rod (12), the cam (6) that cooperates with flange (12.1), described cam (6) is fixed on the other end of feed shaft (8), the described dual-side that fills kind of a chamber (5) is equipped with Triaxial hole (5.1), described push rod (12) is positioned at Triaxial hole (5.1), and described spring (12.2) is positioned at flange (12.1) and fills between kind of the chamber (5).
2. push rod according to claim 1 stirs the live precise seeder of dish combined bidirectional pneumatic type paddy rice bud kind, it is characterized in that: the card upper edge of described seeds sucker (11) circumferentially evenly is provided with a plurality of kind of fans (17) that stir, described a plurality of kind of fan (17) that stirs all is positioned at case (9), wherein, each stirs kind of a side of fan (17) and is equipped with a plurality of suction kind type holes (18).
3. push rod according to claim 1 and 2 stirs the live precise seeder of dish combined bidirectional pneumatic type paddy rice bud kind, it is characterized in that: two inboards that described kind of case (4) tank wall is relative are equipped with a plurality of hemispherical convex closures (4.1), and another two relative inboards are equipped with a plurality of corrugated raised lines (4.2).
4. push rod according to claim 1 and 2 stirs the live precise seeder of dish combined bidirectional pneumatic type paddy rice bud kind, it is characterized in that: also be provided with on the described case (9) and fill kind of a port (9.2), the described bottom surface (5.3) of filling kind of a chamber (5) is the inclined-plane setting, inboard, described bottom surface (5.3) is provided with a plurality of infundibulate seed distributing grooves (5.2) side by side, the seeding port of described infundibulate seed distributing groove (5.2) with fill kind of a port (9.2) and be communicated with.
5. push rod according to claim 1 and 2 stirs the live precise seeder of dish combined bidirectional pneumatic type paddy rice bud kind, and it is characterized in that: the outward flange of the outward flange of described case (9) and air chamber (1) is fixedlyed connected by seal washer (19).
6. push rod according to claim 1 and 2 stirs the live precise seeder of dish combined bidirectional pneumatic type paddy rice bud kind, it is characterized in that: it also comprises flange (10), described seeds sucker (11) is fixed on the flange (10), is connected with keyway (10.2) by flat key (10.1) between the endoporus of described flange (10) and the feed shaft (8).
7. push rod according to claim 4 stirs the live precise seeder of dish combined bidirectional pneumatic type paddy rice bud kind, and it is characterized in that: the width of the seeding port of described infundibulate seed distributing groove (5.2) is the twice of paddy rice bud kind average length.
8. push rod according to claim 7 stirs the live precise seeder of dish combined bidirectional pneumatic type paddy rice bud kind, and it is characterized in that: the height of described infundibulate seed distributing groove (5.2) is 2 ~ 4mm.
9. push rod according to claim 2 stirs the live precise seeder of dish combined bidirectional pneumatic type paddy rice bud kind, and it is characterized in that: the diameter in described suction kind type hole (18) is 1.2 ~ 1.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310235044.8A CN103329666B (en) | 2013-06-14 | 2013-06-14 | Push rod-mixing disc combination type bidirectional pneumatic precise seed sowing device for rice bud seed direct sowing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310235044.8A CN103329666B (en) | 2013-06-14 | 2013-06-14 | Push rod-mixing disc combination type bidirectional pneumatic precise seed sowing device for rice bud seed direct sowing |
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| CN103329666A true CN103329666A (en) | 2013-10-02 |
| CN103329666B CN103329666B (en) | 2015-07-08 |
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| CN201310235044.8A Expired - Fee Related CN103329666B (en) | 2013-06-14 | 2013-06-14 | Push rod-mixing disc combination type bidirectional pneumatic precise seed sowing device for rice bud seed direct sowing |
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| CN103843500A (en) * | 2014-01-24 | 2014-06-11 | 张宇文 | Precise seed-metering unit with air injection-seed cleaning combined geneva wheel |
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| CN106171188A (en) * | 2016-07-18 | 2016-12-07 | 柳州好顺科技有限公司 | A kind of plug-in type seeder |
| CN106233892A (en) * | 2016-07-19 | 2016-12-21 | 朱强 | Air-suction seeding unit breaks pressure kind and mechanical forced seeding combined mechanism |
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| CN113711736A (en) * | 2021-08-30 | 2021-11-30 | 内蒙古农业大学 | Seed metering ware of directional seed suction and metering |
| CN113767736A (en) * | 2021-09-02 | 2021-12-10 | 河北永发鸿田农机制造有限公司 | Seed taking device for duckbilled seeder |
| CN115024052A (en) * | 2022-07-08 | 2022-09-09 | 甘肃农业大学 | Direct-inserting dibbler |
| CN115500116A (en) * | 2022-10-26 | 2022-12-23 | 华南农业大学 | Pneumatic vegetable planter suitable for ridge culture |
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| CN109863863A (en) * | 2019-04-03 | 2019-06-11 | 山东理工大学 | A kind of positive/negative-pressure combined type precise seeder |
| CN109863863B (en) * | 2019-04-03 | 2023-12-22 | 山东理工大学 | Positive and negative pressure combined type precise seed metering device |
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| CN115024052A (en) * | 2022-07-08 | 2022-09-09 | 甘肃农业大学 | Direct-inserting dibbler |
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