CN102668777A - Horizontal disc set discharging type rape precise seed-metering device - Google Patents
Horizontal disc set discharging type rape precise seed-metering device Download PDFInfo
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- CN102668777A CN102668777A CN2011100644768A CN201110064476A CN102668777A CN 102668777 A CN102668777 A CN 102668777A CN 2011100644768 A CN2011100644768 A CN 2011100644768A CN 201110064476 A CN201110064476 A CN 201110064476A CN 102668777 A CN102668777 A CN 102668777A
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Abstract
The invention belongs to the technical field of seeding of agricultural machinery, particularly relates to a horizontal disc set discharging type rape precise seed-metering device. The seed-metering device comprises a seed-metering shaft, an air chamber, clapboards, a seed-metering disc, a cover, a positive pressure pipe, a negative pressure pipe, a seed box, and the like. The air chamber is divided into two positive pressure regions and two negative pressure regions by the four clapboards, the volume of the two negative pressure regions are as the same, the volume of the two positive pressure regions are as the same, the volume of the negative pressure regions is larger than that of the positive pressure regions, the positive pressure regions are connected with a positive pressure end of a fan by an air pipe, and the negative pressure regions are connected with a negative pressure end of the fan by the air pipe; two seed-metering openings are machined on a cover, and the cover is enclosed into two seed charging chambers by an enclosing plate; the air chamber and the cover are connected into a whole by installing ears, and the air chamber are tightly matched with the end face of the cover, so that a sealed chamber is formed; and holes with different circles are machined on the seed-metering disc, and each seed-metering opening is divided into the grids of which the number is as the same as that of the holes, therefore, a plurality of rows of the rape seeds can be sown.
Description
Affiliated technical field
The present invention relates to seeding technique field in the agricultural machinery, be specifically related to a kind of centrifugal disc integrated arranging precise rape seeding device, emphasis solves the essence amount seeding problem of rape.
Background technology
China is rapeseed cultivation big country in the world, and traditional rape cultivation planting patterns mainly contains seedling raising and transplanting mode and artificial direct-seeding, and both all exist labour's input amount big; Flow chart is many; Production efficiency is low, and drawback such as elite seed waste is big, causes rape production comprehensive benefit poor.Rape seed mechanization is one of core link of rape production mechanization, is the prerequisite guarantee that realizes rape subsequent production mechanization of operation.
Seeding unit is the core component of rape seed machine.At present, China's rape seeding technology is main with mechanical type seeding technology, though the mechanical type seeding unit is simple in structure, cost is low, has technical barriers such as seed breakage and type hole plug, and having restricted should technology application aborning.In recent years the pneumatic type precise seeder to rape seed occurred, it is strong to have adaptability, and versatility is good, injuring-free seed and seed appearance and size required advantages such as tight, but its structure is complicated, and cost is high; And rape pneumatic type seeding unit is generally taked the form of a device delegation, because seeding unit quantity causes problems such as tracheal system is complicated, complete machine structure is huger, each seeding unit job stability is inconsistent more.For alleviating the complete machine weight of sower, simplified structure improves seeding efficient, realizes high speed, wide cut operation, and the collection row device of development " a device multirow " is a direction of following seeding unit development.Collection row device has had application in big particle diameter seed such as wheat, corn, but the rarely seen report of collection row's device of small particle diameter seed land for growing field crops precision drilling such as adaptation rape.Centrifugal disc integrated arranging precise rape seeding device of the present invention is simplified the complete machine structure of sower for improving operating efficiency, improves the mechanized cultivation degree of rape, has important realistic price.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of centrifugal disc integrated arranging precise rape seeding device is provided.The present invention utilizes positive negative pressure combination technique and can realize the rape seed precision seeder of " device two row ", can avoid breakage and the seeding dish-type mouth of rape seed in the seeding process to stop up, and can discharge two row seeds synchronously.This seeding unit also can realize sowing synchronously multi-row seeding through suitably adjusting its structure.
The present invention realizes through following technical scheme:
A kind of centrifugal disc integrated arranging precise rape seeding device, it comprises feed shaft 1, air chamber 2, seed plate 3, case 4, dividing plate, forward voltage diode, negative pressure pipe and first seed-box 7 and second seed-box 11, described air chamber is in the direction of the clock by first gas chamber clapboard 15; Second gas chamber clapboard 17; The 3rd gas chamber clapboard 19 and the 4th gas chamber clapboard 20 are separated into zone of positive pressure A16, negative pressuren zone A18, zone of positive pressure B21 and negative pressuren zone B4 successively; Whenever in twos zone of positive pressure with whenever in twos the negative pressuren zone volume equate that described negative pressuren zone volume is greater than the volume of described zone of positive pressure; Described zone of positive pressure is through the first malleation tracheae 10, the second malleation tracheae 12 and the positive press bond of blower fan; Described negative pressuren zone is connected with blower fan negative pressure end through the first negative pressure tracheae 8, the second negative pressure tracheae 13; Be provided with cavity in the middle of the described air chamber 2, air chamber 2 is installed on the feed shaft 1 through the bearing of installing in the cavity; Described case 4 is provided with first sowing port 5 and second sowing port 6, and case 4 is filled kind of a chamber coaming plate 24 and surrounds first and fill kind of chamber 25 and second and fill kind of chamber 23; Described case 2 is installed on the frame; Described air chamber 2 links into an integrated entity through mounting ear 9 with case 4, forms an airtight cavity, and described first sowing port 5 is corresponding with zone of positive pressure A16 and zone of positive pressure B21 position respectively with second sowing port 6, and extends to the outer rim of described zone of positive pressure; Seed plate between air chamber 2 and case 4 and level be installed on the feed shaft 1; The first negative pressure pipe and the alternate edge of the second negative pressure pipe circumferentially be installed in air chamber 2 around, described seed plate 1 is provided with the type hole, this type hole number of turns is at least 1 circle (can sow two row rape seed) or 2 circles (can sow the four lines rape seed).
Described first sowing port 5 is corresponding with the number of turns in seed plate 3 mo(u)ld top half holes respectively with the lattice number on second sowing port 6.
To broadcast two row rape seed is example, and power drives the seed plate rotation through feed shaft during work, under suction function, picks up 1 rape seed through overcharging kind of chamber respectively with each type hole of filling kind of chamber; Under suction function; Seed is adsorbed on the type hole and rotates with seed plate, gets into zone of positive pressure, and seed is disengaging type hole under malleation air-flow and self gravitation effect; Discharge through sowing port, and broadcast ground through grain conductor.
Beneficial effect of the present invention
The present invention realizes that to improve rape production mechanization degree it is purpose that rape is kept the safety in production, and its innovative point is to expect can realize synchronous function and the realization precision drilling of discharging two row or multirow seed of a seeding unit.Than seeding unit in the past, compact conformation of the present invention can significantly reduce dispenser shared space on sower.
Description of drawings
Fig. 1 is the installation diagram of centrifugal disc integrated arranging precise rape seeding device of the present invention, and wherein: Figure 1A is the complete section front view, and Figure 1B is a vertical view.
Fig. 2 is the structure chart of air chamber of the present invention, and wherein: Fig. 2 A is a front view, and Fig. 2 B is the complete section vertical view.
Fig. 3 is the front view and the cutaway view of case of the present invention, and wherein: Fig. 3 A1 is a front view of broadcasting 2 row cases, and Fig. 3 A2 is a complete section vertical view of broadcasting 2 row cases; Fig. 3 B1 is a front view of broadcasting the capable case of 3-4, and Fig. 3 B2 is a complete section vertical view of broadcasting the capable case of 3-4;
Fig. 4 is a seed plate structure chart of the present invention, and Fig. 4 A broadcasts 2 row seed plate structure charts, and Fig. 4 B broadcasts the capable seed plate structure chart of 3-4.
The numbering of each part is following among the figure:
The 1-feed shaft; The 2-air chamber; The 3-seed plate; The 4-case; 5-first sowing port; 6-second sowing port; 7-first seed-box; The 8-first negative pressure tracheae; The 9-mounting ear; The 10-first malleation tracheae; 11 second seed-boxes; The 12-second malleation tracheae; The 13-second negative pressure tracheae B; 14-negative pressuren zone B; 15-first gas chamber clapboard; 16-zone of positive pressure A; 17-second gas chamber clapboard; 18-negative pressuren zone A; 19-the 3rd gas chamber clapboard; 20-the 4th gas chamber clapboard; 21-zone of positive pressure B; 22-sowing port coaming plate; 23-second fills kind of a chamber; 24-fills kind of a chamber coaming plate; 25-first fills kind of a chamber.
Embodiment
To broadcast two row rape seed is example; Embodiment of the present invention is: a kind of centrifugal disc integrated arranging precise rape seeding device; It comprises feed shaft 1, air chamber 2, seed plate 3, case 4, dividing plate, forward voltage diode, negative pressure pipe and seed-box A7 and seed-box B11; It is characterized in that described air chamber is separated into zone of positive pressure A16, negative pressuren zone A18, zone of positive pressure B21 and negative pressuren zone B14 by first gas chamber clapboard 15, second gas chamber clapboard 17, the 3rd gas chamber clapboard 19 and the 4th gas chamber clapboard 20 in the direction of the clock successively; Whenever in twos zone of positive pressure with whenever in twos the negative pressuren zone volume equate that described negative pressuren zone volume is greater than the volume of described zone of positive pressure; Described zone of positive pressure is through the first malleation tracheae 10; The second malleation tracheae 12 and the positive press bond of blower fan, described negative pressuren zone is through the first negative pressure tracheae 8; The second negative pressure tracheae 13 is connected with blower fan negative pressure end, is provided with cavity in the middle of the described air chamber 2, and air chamber 2 is installed on the feed shaft 1 through the bearing of installing in the cavity; Described case 4 is provided with first sowing port 5 and second sowing port 6, and case 4 filled kind of a chamber coaming plate 24 and surround two and fill kind of a chamber, and promptly first fills kind of chamber 25 and second and fill kind of chamber 23; Described case 4 is installed on the frame; Described air chamber 2 links into an integrated entity through mounting ear 9 with case 4, forms an airtight cavity; Described first sowing port 5 and second sowing port 6 respectively with two zone of positive pressures, that is: zone of positive pressure A16 is corresponding with zone of positive pressure B21 position, and extends to the outer rim of zone of positive pressure; The type hole number of turns on the described seed plate 1 be at least 1 the circle, this seed plate between air chamber 2 and case 4 and level be installed on the feed shaft 1; The first negative pressure pipe and the alternate edge of the second negative pressure pipe circumferentially be installed in air chamber 2 around, described seed plate 1 is provided with the type hole, described sowing port 5 is corresponding with the number of turns in seed plate 3 mo(u)ld top half holes respectively with the lattice number on the sowing port 6.For example this type hole number of turns is at least 1 circle (seeing Fig. 4 A).
To broadcast the capable rape seed of 3-4 is example; What embodiment of the present invention was different with the embodiment of sowing 2 row rape seed is: be processed with two circle type holes (seeing Fig. 4 B) on the seed plate 3; First sowing port 5 and second sowing port 6 are divided into 2 lattice respectively; Always have 4 lattice, every lattice connect a grain conductor can broadcast 4 row rape seed seeds.Shutoff wherein lattice, keep 3 lattice and be connected with 3 grain conductors and can broadcast 3 capable rape seed seeds.
Claims (3)
1. centrifugal disc integrated arranging precise rape seeding device; It comprises feed shaft (1), air chamber (2), seed plate (3), case (4), dividing plate, forward voltage diode, negative pressure pipe and first seed-box (7) and second seed-box (11)); It is characterized in that described air chamber (2) is in the direction of the clock by first gas chamber clapboard (15); Second gas chamber clapboard (17); The 3rd gas chamber clapboard (19) and the 4th gas chamber clapboard (20) are separated into zone of positive pressure A (16), negative pressuren zone A (18), zone of positive pressure B (21) and negative pressuren zone B (14) successively; Whenever in twos zone of positive pressure with whenever in twos the negative pressuren zone volume equate that described negative pressuren zone volume is greater than the volume of described zone of positive pressure; Described zone of positive pressure is through the first malleation tracheae (10); The second malleation tracheae (12) and the positive press bond of blower fan, described negative pressuren zone is through the first negative pressure tracheae (8); The second negative pressure tracheae (13) is connected with blower fan negative pressure end, is provided with cavity in the middle of the described air chamber (2), and air chamber (2) is installed on the feed shaft (1) through the bearing of installing in the cavity; Described case (4) is provided with first sowing port (5) and second sowing port (6), and case (4) is filled kind of a chamber coaming plate (24) and surrounds first and fill kind of a chamber (25) and second and fill kind of a chamber (23); Described case (2) is installed on the frame; Described air chamber (2) links into an integrated entity through mounting ear (9) with case (4), forms an airtight cavity; Described first sowing port (5) is corresponding with zone of positive pressure A (16) and zone of positive pressure B (21) position respectively with second sowing port (6), and extends to the outer rim of described zone of positive pressure; Seed plate is positioned between air chamber (2) and the case (4) and level is installed on the feed shaft (1); The first negative pressure pipe and the alternate edge of the second negative pressure pipe circumferentially be installed in air chamber (2) around, described seed plate has the type hole on (1).
2. seeding unit according to claim 1 is characterized in that, the type hole number of turns on the seed plate (3) is at least 1 circle.
3. seeding unit according to claim 1 is characterized in that, described first sowing port (5) is corresponding with the number of turns in seed plate (3) mo(u)ld top half hole respectively with the lattice number on second sowing port (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100644768A CN102668777A (en) | 2011-03-17 | 2011-03-17 | Horizontal disc set discharging type rape precise seed-metering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100644768A CN102668777A (en) | 2011-03-17 | 2011-03-17 | Horizontal disc set discharging type rape precise seed-metering device |
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| CN102668777A true CN102668777A (en) | 2012-09-19 |
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| CN2011100644768A Pending CN102668777A (en) | 2011-03-17 | 2011-03-17 | Horizontal disc set discharging type rape precise seed-metering device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103210721A (en) * | 2013-05-10 | 2013-07-24 | 吉林大学 | Offset double-disc clamping air suction type seed sowing device |
| CN103597932A (en) * | 2013-11-11 | 2014-02-26 | 沈阿庆 | Swinging type seeding device |
| CN112106466A (en) * | 2020-09-18 | 2020-12-22 | 华中农业大学 | Pneumatic needle type single-grain precision seeder |
| CN115152372A (en) * | 2022-09-02 | 2022-10-11 | 中国农业大学 | Rotary suction-assisting type double-row precision seed sowing device |
| CN115777302A (en) * | 2022-11-21 | 2023-03-14 | 华南农业大学 | Air suction belt type rice seed sowing device |
| CN117136685A (en) * | 2023-10-30 | 2023-12-01 | 中国农业大学 | Profiling, ditching, sowing and earthing device for hilly and mountainous areas |
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| SU1066477A1 (en) * | 1979-09-13 | 1984-01-15 | Туркменский Ордена "Знак Почета" Сельскохозяйственный Институт Им.М.И.Калинина | Pneumatic sowing apparatus |
| CN2056556U (en) * | 1989-02-27 | 1990-05-02 | 渭南地区农机研究所 | Volume suction precision seeding apparatus |
| CN2422801Y (en) * | 2000-05-25 | 2001-03-14 | 韩凤臣 | Suction seed-spacing hill-drop drill |
| US6283051B1 (en) * | 1998-12-30 | 2001-09-04 | Elvis D. Yoss | Small seed dispenser |
| CN2779833Y (en) * | 2005-03-18 | 2006-05-17 | 黑龙江省农业机械工程科学研究院 | High speed pneumatic seeding tray |
| CN2935757Y (en) * | 2006-08-04 | 2007-08-22 | 张国跃 | Air sucking internal filling seed type seed sowing device |
| CN201001269Y (en) * | 2006-12-30 | 2008-01-09 | 华中农业大学 | Positive and negative pressure combination type rape seed precision seeding apparatus |
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2011
- 2011-03-17 CN CN2011100644768A patent/CN102668777A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1066477A1 (en) * | 1979-09-13 | 1984-01-15 | Туркменский Ордена "Знак Почета" Сельскохозяйственный Институт Им.М.И.Калинина | Pneumatic sowing apparatus |
| CN2056556U (en) * | 1989-02-27 | 1990-05-02 | 渭南地区农机研究所 | Volume suction precision seeding apparatus |
| US6283051B1 (en) * | 1998-12-30 | 2001-09-04 | Elvis D. Yoss | Small seed dispenser |
| CN2422801Y (en) * | 2000-05-25 | 2001-03-14 | 韩凤臣 | Suction seed-spacing hill-drop drill |
| CN2779833Y (en) * | 2005-03-18 | 2006-05-17 | 黑龙江省农业机械工程科学研究院 | High speed pneumatic seeding tray |
| CN2935757Y (en) * | 2006-08-04 | 2007-08-22 | 张国跃 | Air sucking internal filling seed type seed sowing device |
| CN201001269Y (en) * | 2006-12-30 | 2008-01-09 | 华中农业大学 | Positive and negative pressure combination type rape seed precision seeding apparatus |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103210721A (en) * | 2013-05-10 | 2013-07-24 | 吉林大学 | Offset double-disc clamping air suction type seed sowing device |
| CN103597932A (en) * | 2013-11-11 | 2014-02-26 | 沈阿庆 | Swinging type seeding device |
| CN103597932B (en) * | 2013-11-11 | 2016-01-20 | 南通津达液压有限公司 | Swing type seeding apparatus |
| CN112106466A (en) * | 2020-09-18 | 2020-12-22 | 华中农业大学 | Pneumatic needle type single-grain precision seeder |
| CN115152372A (en) * | 2022-09-02 | 2022-10-11 | 中国农业大学 | Rotary suction-assisting type double-row precision seed sowing device |
| CN115152372B (en) * | 2022-09-02 | 2022-11-08 | 中国农业大学 | Rotary suction-assisting type double-row precision seed sowing device |
| CN115777302A (en) * | 2022-11-21 | 2023-03-14 | 华南农业大学 | Air suction belt type rice seed sowing device |
| CN115777302B (en) * | 2022-11-21 | 2024-05-10 | 华南农业大学 | Air suction belt type rice seed sowing device |
| CN117136685A (en) * | 2023-10-30 | 2023-12-01 | 中国农业大学 | Profiling, ditching, sowing and earthing device for hilly and mountainous areas |
| CN117136685B (en) * | 2023-10-30 | 2024-02-13 | 中国农业大学 | Profiling, ditching, sowing and earthing device for hilly and mountainous areas |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liao Qingxi Inventor after: Zhong Xiongbing Inventor after: Yu Qiguang Inventor after: He Jinghui Inventor before: Liao Qingxi Inventor before: Zhong Xiongbing Inventor before: Yu Qiguang Inventor before: He Jinghui |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liao Qingxi Inventor after: Zhong Xiongbin Inventor after: Yu Qiguang Inventor after: He Jinghui Inventor before: Liao Qingxi Inventor before: Zhong Xiongbing Inventor before: Yu Qiguang Inventor before: He Jinghui |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIAO QINGXI ZHONG XIONGBING YU QIGUANG HE JINGHUI TO: LIAO QINGXI ZHONG XIONGBIN YU QIGUANG HE JINGHUI |
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Application publication date: 20120919 |