CN113615355A - Airflow first-order centralized-discharging type wheat seed metering system - Google Patents
Airflow first-order centralized-discharging type wheat seed metering system Download PDFInfo
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- CN113615355A CN113615355A CN202111075838.3A CN202111075838A CN113615355A CN 113615355 A CN113615355 A CN 113615355A CN 202111075838 A CN202111075838 A CN 202111075838A CN 113615355 A CN113615355 A CN 113615355A
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- 241000209140 Triticum Species 0.000 title claims abstract description 42
- 235000021307 Triticum Nutrition 0.000 title claims abstract description 42
- 238000007599 discharging Methods 0.000 title claims abstract description 27
- 238000002347 injection Methods 0.000 claims abstract description 18
- 239000007924 injection Substances 0.000 claims abstract description 18
- 238000010899 nucleation Methods 0.000 claims description 15
- 238000009792 diffusion process Methods 0.000 claims description 12
- 241000721671 Ludwigia Species 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000009331 sowing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
- A01C7/16—Seeders with other distributing devices, e.g. brushes, discs, screws or slides
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
- A01C7/206—Seed pipes
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention relates to an airflow first-order centralized-discharging type wheat seed discharging system, which belongs to the technical field of agricultural machinery and comprises a fan (1), a rack (2), a grooved pulley type centralized-discharging device (3), a Venturi injection feeder (6), a fold pipe (7), a bent pipe I (8), a bent pipe II (9), a distributor (10), a seed guide pipe I (11), a seed guide pipe II (12) and a fixing ring (13). the Venturi injection feeder adopted by the invention is combined with a seed supply pipe, so that the seed flow and the airflow are fully mixed, the seed supply uniformity is improved, the uniformity of the seed guide pipe on the subsequent distributor in the seed guide pipe seed discharging process is improved, the seedling shortage phenomenon in the wheat growth process is avoided, and the difficulty of field management can be reduced; meanwhile, the discharge capacity of each row is good in consistency, the requirement of wheat drill operation is met, the seeds can be sowed in multiple rows at one time, the time is effectively saved, and the labor intensity of farmers is reduced.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly relates to an airflow first-order centralized-discharging type wheat seeding system.
Background
Wheat is one of the most important grain crops in China and even the world, and is also a support crop in arid and semi-arid regions of China. Wheat seeding is one of the important links of wheat planting, and the currently commonly used one-row-by-one-unit type seeding unit realizes amplification operation by increasing the number of the seeding units, so that the problems of large volume, low operation efficiency and the like of the seeding machine are caused.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides the air flow first-order centralized-discharging type wheat seed metering system, which realizes the whole-course mechanical seeding of wheat, has a compact structure of the whole machine, and is suitable for the field planting and the large-scale planting of the wheat. The wheat seeding efficiency is improved, the labor intensity of farmers is reduced, and the wheat seeding machine has important significance for increasing the income of the farmers.
In order to realize the purpose, the invention is realized by the following technical scheme:
an airflow first-order centralized-discharging type wheat seed metering system comprises a fan 1, a rack 2, a grooved pulley type centralized-discharging device 3, a Venturi injection feeder 6, a pleated pipe 7, an elbow I8, an elbow II 9, a distributor 10, a seed guide I11, a seed guide II 12 and a fixing ring 13, wherein an air outlet of the fan 1 is connected with an air inlet of the elbow I8, an air outlet of the elbow I8 is connected with an air inlet of the Venturi injection feeder 6, a feed inlet of the Venturi injection feeder 6 is connected with the seed guide I11, a feed inlet of the seed guide I11 is connected with a discharge outlet of the grooved pulley type centralized-discharging device 3, a discharge end of the Venturi injection feeder 6 is connected with a feed inlet of the elbow II 9, the elbow II 9 and the Venturi injection feeder 6 are fixedly installed on the rack 2, a discharge end of the elbow II 9 is connected with a feed inlet of the pleated pipe 7, the pleated pipe 7 is installed on the rack 2 through the fixing ring 13, the discharge end of the pleated pipe 7 is provided with a distributor 10, and each discharge opening of the distributor 10 is provided with a seed guiding pipe II 12.
Further, the sheave type collector-discharger 3 comprises sheaves 3-1, a seed box 3-2, a shell 3-3, seeding shafts 3-4, a motor 4 and a motor support 5, wherein the motor support 5 is fixedly arranged on the rack 2, the motor 4 is arranged on the motor support 5, the shell 3-3 is fixedly arranged on the seed guide pipe I11, the discharging end of the shell 3-3 is communicated with the seed guide pipe I11, the sheaves 3-1 are arranged in the shell 3-3, the seeding shaft 3-4 is arranged in the sheaves 3-1, the seeding shafts 3-4 are connected with the power output end of the motor 4, and an opening at the top of the shell 3-3 is connected with the seed box 3-2.
Further, the venturi jet feeder 6 comprises a nozzle 6-1, a receiving chamber 6-2, a feeding port 6-3, a transition chamber 6-4, a mixing chamber 6-5, a diffusion chamber 6-6 and a conveying pipeline 6-7, wherein an air inlet of the nozzle 6-1 is connected with an air outlet of an elbow pipe I8, an air outlet of the nozzle 6-1 is connected with an opening at one end of the receiving chamber 6-2, the top of the receiving chamber 6-2 is provided with the feeding port 6-3, the feeding port 6-3 is connected with a seed guide pipe I11, an opening at the other end of the receiving chamber 6-2 is connected with the transition chamber 6-4, the transition chamber 6-4 is connected with an opening at one end of the mixing chamber 6-5, an opening at the other end of the mixing chamber 6-5 is connected with the diffusion chamber 6-6, the diffusion chamber 6-6 is connected with the conveying pipeline 6-7, the conveying pipelines 6-7 are connected with the discharge end and the feed end of the elbow pipe II 9.
Further, a seed guide pipe II 12 with uniform seeding row spacing is arranged on the distributor 10, and the seed guide pipe II 12 is a pipeline with a downward opening.
The invention has the beneficial effects that:
the Venturi injection feeder is combined with the seed supply pipe, so that the seed flow and the air flow are fully mixed, the uniformity of seed supply is improved, the uniformity of the seed guide pipe on a subsequent distributor in the seed discharging process is improved, the seedling shortage phenomenon in the wheat growth process is avoided, and the difficulty of field management can be reduced; meanwhile, the discharge capacity of each row is good in consistency, the requirement of wheat drill operation is met, the seeds can be sowed in multiple rows at one time, the time is effectively saved, and the labor intensity of farmers is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural view of a sheave type collector/discharger according to the present invention;
figure 4 is a schematic diagram of the venturi jet feeder of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figures 1 and 2, an air flow first-order centralized-discharging type wheat seed sowing system comprises a fan 1, a frame 2, a grooved wheel type centralized-discharging device 3, a Venturi injection feeder 6, a pleated pipe 7, an elbow pipe I8, an elbow pipe II 9, a distributor 10, a seed guide pipe I11, a seed guide pipe II 12 and a fixing ring 13, wherein an air outlet of the fan 1 is connected with an air inlet of the elbow pipe I8, an air outlet of the elbow pipe I8 is connected with an air inlet of the Venturi injection feeder 6, a feed inlet of the Venturi injection feeder 6 is connected with the seed guide pipe I11, a feed end of the seed guide pipe I11 is connected with a discharge outlet of the grooved wheel type centralized-discharging device 3, a discharge end of the Venturi injection feeder 6 is connected with a feed end of the elbow pipe II 9, the elbow pipe II 9 and the Venturi injection feeder 6 are fixedly installed on the frame 2, a discharge end of the elbow pipe II 9 is connected with a feed end of the pleated pipe 7, the pleated pipe 7 is installed on the frame 2 through the fixing ring 13, the discharge end of the pleated pipe 7 is provided with a distributor 10, and each discharge opening of the distributor 10 is provided with a seed guiding pipe II 12. Wheat seeds are loaded into a grooved pulley type collecting and discharging device 3, a fan 1 works, high-speed air is introduced into a Venturi jet feeder 6 through an elbow pipe I8, then the seeds in the grooved pulley type collecting and discharging device 3 fall into the Venturi jet feeder 6 through a seed guide pipe I11, under the action of high-speed separation, the wheat seeds are sprayed out of the Venturi jet feeder 6 and enter an elbow pipe II 9, further enter a pleat type pipe 7 under the action of the high-speed air, the pleat type pipe 7 guides the seeds into a distributor 10, the distributor 10 divides the wheat seeds into multiple paths, and the wheat seeds are sowed into soil through a seed guide pipe II 12, so that the mechanical sowing of the wheat is realized. The distributor 10 can divide the wheat seeds discharged from the pleated pipe 7 into twelve rows, so that multi-row sowing is realized, the time is effectively saved, and the labor intensity of farmers is reduced.
As shown in fig. 3, the sheave type collector-discharger 3 comprises sheaves 3-1, a seed box 3-2, a housing 3-3, a seed sowing shaft 3-4, a motor 4 and a motor support 5, wherein the motor support 5 is fixedly arranged on the frame 2, the motor 4 is arranged on the motor support 5, the housing 3-3 is fixedly arranged on a seed guide tube i 11, the discharge end of the housing 3-3 is communicated with the seed guide tube i 11, the sheaves 3-1 are arranged in the housing 3-3, the seed sowing shaft 3-4 is arranged in the sheaves 3-1, the seed sowing shaft 3-4 is connected with the power output end of the motor 4, and the top opening of the housing 3-3 is connected with the seed box 3-2. Wheat seeds are contained in the seed box 3-2, the motor 4 drives the seed discharging shaft 3-4 to rotate, the seed discharging shaft 3-4 drives the grooved pulley 3-1 to rotate, the seed containing groove in the grooved pulley 3-1 discharges the seeds from the seed box 3-2 once, the discharged seeds fall into the seed guide pipe I11, and the grooved pulley 3-1 is adopted to realize uniform seed taking of the wheat seeds so as to ensure the uniformity of seeding.
As shown in figure 4, the Venturi jet feeder 6 comprises a nozzle 6-1, a receiving chamber 6-2, a feeding port 6-3, a transition chamber 6-4, a mixing chamber 6-5, a diffusion chamber 6-6 and a conveying pipeline 6-7, wherein an air inlet of the nozzle 6-1 is connected with an air outlet of an elbow pipe I8, an air outlet of the nozzle 6-1 is connected with an opening at one end of the receiving chamber 6-2, the top of the receiving chamber 6-2 is provided with the feeding port 6-3, the feeding port 6-3 is connected with a seed guide pipe I11, an opening at the other end of the receiving chamber 6-2 is connected with the transition chamber 6-4, the transition chamber 6-4 is connected with an opening at one end of the mixing chamber 6-5, an opening at the other end of the mixing chamber 6-5 is connected with the diffusion chamber 6-6, the diffusion chamber 6-6 is connected with the conveying pipeline 6-7, the conveying pipelines 6-7 are connected with the discharge end and the feed end of the elbow pipe II 9. The air flow speed is further improved through the nozzle 6-1 by the high-speed air flow provided by the fan 1, when the air flow passes through the receiving chamber 6-2, the high-speed air flow forms a certain negative pressure at the receiving chamber, a certain adsorption effect is generated on fallen wheat seeds, the seeds fall into the receiving chamber 6-2 to meet and mix with the high-speed air flow, the wheat seeds and the high-speed air flow are accelerated and further mixed in the mixing chamber 6-5, then the wheat seeds and the high-speed air flow enter the conveying pipeline 6-7 through the diffusion chamber 6-6, the diffusion chamber 6-6 is a section of conical pipe with gradually expanded pipe diameter, and due to the gradual increase of the pipe diameter, the mixed gas-solid two-phase flow speed is reduced, the static pressure is increased, the pressure loss in the conveying pipeline is overcome, and the conveying of the wheat seeds is realized.
The working process of the invention is as follows:
wheat seeds are contained in a seed box 3-2, a motor 4 drives a seed discharging shaft 3-4 to rotate, the seed discharging shaft 3-4 drives a grooved pulley 3-1 to rotate, a seed containing groove on the grooved pulley 3-1 discharges the seeds from the seed box 3-2 once, the discharged seeds fall into a seed guide pipe I11, the air flow speed is further improved through a nozzle 6-1 by high-speed air flow provided by a fan 1, certain negative pressure is formed by the high-speed air flow when the seeds pass through a receiving chamber 6-2, a certain adsorption effect is generated on the fallen wheat seeds, the seeds fall into the receiving chamber 6-2 and meet and are mixed with the high-speed air flow, the wheat seeds and the high-speed air flow are accelerated and are further mixed in a mixing chamber 6-5, then the wheat seeds enter a conveying pipeline 6-7 through a diffusion chamber 6-6, and then enter a pleat type pipe 7 under the action of high-speed air, the fold pipe 7 guides the seeds into the distributor 10, the distributor 10 divides the wheat seeds into a plurality of paths, and the wheat seeds are sowed into the soil through the seed guiding pipe II 12, so that the mechanical sowing of the wheat is realized.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a first-order concentrated formula wheat seed metering system of air current which characterized in that: the air flow first-order centralized-discharging type wheat seed metering system comprises a fan (1), a rack (2), a grooved pulley type centralized-discharging device (3), a Venturi injection feeder (6), a fold pipe (7), a bent pipe I (8), a bent pipe II (9), a distributor (10), a seed guide pipe I (11), a seed guide pipe II (12) and a fixing ring (13), wherein an air outlet of the fan (1) is connected with an air inlet of the bent pipe I (8), an air outlet of the bent pipe I (8) is connected with an air inlet of the Venturi injection feeder (6), a feed inlet of the Venturi injection feeder (6) is connected with the seed guide pipe I (11), a feed end of the seed guide pipe I (11) is connected with a discharge port of the grooved pulley type centralized-discharging device (3), a discharge end of the Venturi injection feeder (6) is connected with a feed end of the bent pipe II (9), and the Venturi injection feeder (6) are fixedly installed on the rack (2), the discharge end of the bent pipe II (9) is connected with the feed end of the pleat pipe (7), the pleat pipe (7) is installed on the rack (2) through a fixing ring (13), the discharge end of the pleat pipe (7) is provided with a distributor (10), and each discharge port of the distributor (10) is provided with a pipe II (12).
2. The air flow first-order concentrated wheat seed metering system of claim 1, wherein: the sheave type collector-discharger (3) comprises sheaves (3-1), a seed box (3-2), a shell (3-3), a seeding shaft (3-4), a motor (4) and a motor bracket (5), the motor bracket (5) is fixedly arranged on the frame (2), the motor (4) is arranged on the motor bracket (5), the shell (3-3) is fixedly arranged on the seed guiding pipe I (11), the discharge end of the shell (3-3) is communicated with the seed guide pipe I (11), the grooved wheel (3-1) is installed in the shell (3-3), a seed discharging shaft (3-4) is arranged in the grooved wheel (3-1), the seed discharging shaft (3-4) is connected with the power output end of the motor (4), and the top opening of the shell (3-3) is connected with the seed box (3-2).
3. The air flow first-order concentrated wheat seed metering system of claim 1, wherein: the Venturi spraying feeder (6) comprises a nozzle (6-1), a receiving chamber (6-2), a feeding hole (6-3), a transition chamber (6-4), a mixing chamber (6-5), a diffusion chamber (6-6) and a conveying pipeline (6-7), wherein an air inlet of the nozzle (6-1) is connected with an air outlet of an elbow pipe I (8), an air outlet of the nozzle (6-1) is connected with an opening at one end of the receiving chamber (6-2), the top of the receiving chamber (6-2) is provided with the feeding hole (6-3), the feeding hole (6-3) is connected with a seed guide pipe I (11), an opening at the other end of the receiving chamber (6-2) is connected with the transition chamber (6-4), the transition chamber (6-4) is connected with an opening at one end of the mixing chamber (6-5), the opening at the other end of the mixing chamber (6-5) is connected with a diffusion chamber (6-6), the diffusion chamber (6-6) is connected with a conveying pipeline (6-7), and the conveying pipeline (6-7) is connected with the discharge end and the feed end of the elbow pipe II (9).
4. An air-flow first-order concentrated wheat seed metering system as claimed in any one of claims 1 to 3, wherein: a seed guide pipe II (12) with consistent seeding row spacing is arranged on the distributor (10), and the seed guide pipe II (12) is a pipeline with a downward opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111075838.3A CN113615355A (en) | 2021-09-14 | 2021-09-14 | Airflow first-order centralized-discharging type wheat seed metering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111075838.3A CN113615355A (en) | 2021-09-14 | 2021-09-14 | Airflow first-order centralized-discharging type wheat seed metering system |
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| CN113615355A true CN113615355A (en) | 2021-11-09 |
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| CN202111075838.3A Pending CN113615355A (en) | 2021-09-14 | 2021-09-14 | Airflow first-order centralized-discharging type wheat seed metering system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114303539A (en) * | 2022-01-10 | 2022-04-12 | 山东大学 | Method and device for carrying out seed-carrying spray seeding of dust suppressant by using ejector and spray seeding nozzle |
| CN115053669A (en) * | 2022-06-27 | 2022-09-16 | 中国农业大学 | Oat and common vetch mix seed metering device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066015A (en) * | 2007-06-06 | 2007-11-07 | 山东农业大学 | Airflow type seeder |
| CN202385475U (en) * | 2011-12-26 | 2012-08-22 | 农业部南京农业机械化研究所 | Pneumatic conveying-type centralized seeding system |
| CN104541687A (en) * | 2015-01-30 | 2015-04-29 | 扬州大学 | Novel precision drilling mechanism |
| CN109566017A (en) * | 2019-01-25 | 2019-04-05 | 中国农业大学 | A kind of clover pneumatic transmission formula collection row device |
-
2021
- 2021-09-14 CN CN202111075838.3A patent/CN113615355A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066015A (en) * | 2007-06-06 | 2007-11-07 | 山东农业大学 | Airflow type seeder |
| CN202385475U (en) * | 2011-12-26 | 2012-08-22 | 农业部南京农业机械化研究所 | Pneumatic conveying-type centralized seeding system |
| CN104541687A (en) * | 2015-01-30 | 2015-04-29 | 扬州大学 | Novel precision drilling mechanism |
| CN109566017A (en) * | 2019-01-25 | 2019-04-05 | 中国农业大学 | A kind of clover pneumatic transmission formula collection row device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114303539A (en) * | 2022-01-10 | 2022-04-12 | 山东大学 | Method and device for carrying out seed-carrying spray seeding of dust suppressant by using ejector and spray seeding nozzle |
| CN115053669A (en) * | 2022-06-27 | 2022-09-16 | 中国农业大学 | Oat and common vetch mix seed metering device |
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Application publication date: 20211109 |