CN111903288B - Rice and wheat gathering and arranging distributor and method - Google Patents
Rice and wheat gathering and arranging distributor and method Download PDFInfo
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- CN111903288B CN111903288B CN202010736770.8A CN202010736770A CN111903288B CN 111903288 B CN111903288 B CN 111903288B CN 202010736770 A CN202010736770 A CN 202010736770A CN 111903288 B CN111903288 B CN 111903288B
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- outlet
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- straight pipe
- wheat
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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
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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
- A01C7/081—Seeders depositing seeds in rows using pneumatic means
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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
- A01C7/081—Seeders depositing seeds in rows using pneumatic means
- A01C7/082—Ducts, distribution pipes or details thereof for pneumatic seeders
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Abstract
The invention discloses a rice and wheat gathering and arranging distributor and a method, and the technical scheme is as follows: the device comprises a plurality of outlet single bodies which are distributed annularly, wherein the tops of the outlet single bodies are detachably connected with a cover plate; a straight pipe is arranged below one end of the outlet monomer, a chassis is sleeved outside the straight pipe, the chassis is detachably connected with the conical pipe, and the conical pipe is connected with the corrugated pipe; a distribution chamber is formed among the outlet single body, the base plate and the cover plate, and a backflow chamber is formed between the conical pipe and the straight pipe; and a valve is arranged on the inlet side of the outlet monomer and is connected with a valve control mechanism, and any outlet monomer can be randomly closed under the action of the valve control mechanism. The outlet of the distributor can be randomly closed according to the operation requirement, and the blocked seeds in the row flow back to the corrugated pipe for secondary distribution after the outlet is closed, so that the operation performance and the working efficiency of the machine are improved, and the production cost is reduced.
Description
Technical Field
The invention relates to the field of agricultural machinery research, in particular to a rice and wheat collecting and arranging distributor and a method.
Background
The pneumatic centralized-discharging seeder has the characteristics of wide seed application range, high speed, wide width, simple structure, high seeding efficiency and the like, and gradually becomes the development trend of the seeder. The development of large-scale high-performance rice and wheat compound operation machines suitable for large-scale operation has important significance for accelerating the whole mechanized development of rice and wheat production, promoting the change of the grain production mode in China to a green, efficient and sustainable direction and ensuring the grain safety and the sustainable development of agricultural production in China.
The inventor finds that the conventional air-conveying, collecting and discharging distributor can uniformly discharge seeds in multiple rows, but in actual operation, the outlet of the distributor cannot meet the requirement of random closing due to the influence of various factors such as irregular machine plowing channels and plots.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a rice and wheat gathering and discharging distributor and a method, wherein an outlet of the distributor can be randomly closed according to the operation requirement, and the blocked seeds in the row flow back to a corrugated pipe for secondary distribution after the outlet is closed, so that the operation performance and the working efficiency of machines are improved, and the production cost is reduced.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides a rice and wheat collecting and distributing device, including a plurality of outlet single bodies distributed in a ring shape, wherein the tops of the outlet single bodies are detachably connected with a cover plate; a straight pipe is arranged below the inlet side of the outlet monomer, a chassis is sleeved on the outer side of the straight pipe, the chassis is detachably connected with a conical pipe, and the conical pipe is connected with a corrugated pipe;
a distribution chamber is formed among the outlet single body, the base plate and the cover plate, and a backflow chamber is formed between the conical pipe and the straight pipe; and a valve is arranged on the inlet side of the outlet monomer and is connected with a valve control mechanism, and any outlet monomer can be randomly closed under the action of the valve control mechanism.
As a further implementation manner, the outlet monomer comprises a shell, wherein one end of the shell is an inlet, and the other end of the shell is an outlet; the inlet is connected with the distribution chamber, and the outlet is used for connecting the seed conveying pipe.
As a further implementation mode, the valve control mechanism comprises a motor, an output shaft of the motor is connected with one end of a connecting rod through a chain plate, the other end of the connecting rod is connected with a pin through the chain plate, and the pin is connected with the valve.
As a further implementation, the inlet is a square port and the outlet is a circular port.
As a further implementation mode, the outlet single bodies are connected with the cover plate through the upper connecting plate, the top of the inner cavity of the cover plate is provided with a conical bulge, and a plurality of partition plates with the same number as the outlet single bodies are uniformly arranged on the inner wall of the cover plate; the adjacent partition plates are symmetrically arranged on two sides of the outlet monomer.
As a further implementation mode, the chassis is provided with holes with the same number as the outlet single bodies at intervals along the circumferential direction near the edge, and the width of the holes is equal to the width of the inlets of the outlet single bodies.
As a further implementation mode, the upper end of the straight pipe is a bell mouth, and the upper end surface of the straight pipe is flush with the upper end surface of the chassis and is detachably connected with the chassis; the distance H between the lower end surface of the straight pipe and the inner surface of the conical pipe is more than 10 mm.
As a further implementation, the side wall of the conical tube has a taper angle α of less than 45 °.
In a second aspect, an embodiment of the present invention further provides a method for controlling a rice and wheat gathering and discharging distributor, including:
the positive pressure gas flow sends the mixture of the gas flow and the rice and wheat seeds into the distribution chamber through the straight pipe through the corrugated pipe, the rice and wheat seeds rise to contact with the cover plate, and a uniform seed flow is formed through the separation action of the conical bulge and the partition plate and enters the inlet of the corresponding outlet monomer, and the valve is in an open state at the moment;
when the outlet monomer needs to be closed, the motor rotates 90 degrees clockwise, the connecting rod moves downwards to drive the valve to rotate anticlockwise, the valve is in a closed state, and the mixture of the seeds and the airflow is blocked by the valve;
the blocked seeds fall into the backflow chamber through the molding holes of the bottom plate, fall to the lower end face of the straight pipe under the action of self gravity, are mixed with newly entering seeds at the outlet of the corrugated pipe, and enter the distribution chamber through the straight pipe under the action of positive pressure to perform secondary distribution.
As a further implementation mode, when the seeding operation is carried out, the opening or closing of the plurality of rows of outlet single bodies can be controlled simultaneously.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
(1) the outlet monomers of one or more embodiments of the invention are all provided with the valves controlled by the motor, the closing can be controlled line by line, a scheme is provided for forming different operation modes, the blocked seeds can be distributed again after being closed in a single row, the blocking probability is reduced, and the operation performance is improved;
(2) the partition plates which are equal to the outlet monomers are uniformly arranged on the inner wall of the cover plate in one or more embodiments of the invention, so that the seeds can be more uniformly distributed to all the outlet monomers, the seeding consistency of each row is greatly improved, and the air pressure loss is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic overall structure diagram of the present invention according to one or more embodiments;
FIG. 2 is a cross-sectional view of an overall structure according to one or more embodiments of the invention;
FIG. 3 is a schematic diagram of an outlet cell structure according to one or more embodiments of the present disclosure;
FIG. 4 is a schematic view of a chassis configuration of the present invention according to one or more embodiments;
FIG. 5 is a schematic illustration of a straight pipe configuration according to one or more embodiments of the present invention;
FIG. 6 is a schematic illustration of a tapered tube configuration according to one or more embodiments of the present invention;
FIG. 7 is a schematic illustration of a cover plate construction according to one or more embodiments of the present invention;
wherein, 1, an outlet monomer, 101, a shell, 102, a motor, 103, a second pin shaft, 104, a valve, 105, a pin, 106, a chain plate, 107, a connecting rod, 108, an inlet, 109 and an outlet; 2. cover plate, 201, conical projection, 202, baffle; 3. chassis, 301. type hole; 4. a conical tube, 401, a flange; 5. the device comprises a straight pipe, 6 corrugated pipes, 7 upper connecting plates, 8 first pin shafts, 9 distribution chambers and 10 backflow chambers.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in this application, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two components can be connected directly or indirectly through an intermediate medium, or the two components can be connected internally or in an interaction relationship, and the terms can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows:
the embodiment provides a rice and wheat collecting and distributing device, as shown in fig. 1-2, comprising a plurality of outlet single bodies 1, a cover plate 2, a conical pipe 4, a straight pipe 5, a corrugated pipe 6 and a base plate 3, wherein the outlet single bodies 1 are detachably connected with the cover plate 2. The outlet single bodies 1 are uniformly arranged on the edge of the chassis 3 in an annular shape, the chassis 3 is concentrically arranged with the conical pipe 4 and the straight pipe 5, and the corrugated pipe 6 is detachably connected with the conical pipe 4.
Specifically, an upper connecting plate 7 is installed at the top of the outlet single body 1, and the cover plate 2 is installed at the top 7 of the upper connecting plate and fixed together with the upper connecting plate 7, the outlet single body 1 and the chassis 3 through a first pin shaft 8. The outlet cell 1, the base plate 3, the upper connecting plate 7 and the cover plate 2 form a distribution chamber 9.
One end of the outlet monomer 1 is connected with the distribution cavity 9, and the other end is used for connecting a seed conveying pipe. As shown in fig. 3, the outlet unit 1 includes a housing 101, a shutter 104, and a shutter control mechanism, where one end of the housing 101 is an inlet 108, and the other end is an outlet 109; said inlet 108 communicates with the distribution chamber 9. In this embodiment, the inlet 108 is a square port and the outlet 109 is a circular port. Between the inlet 108 and the outlet 109 is a channel with an arc-shaped longitudinal cross-section.
The shutter 104 is installed on the inlet 108 side of the outlet cell 1 and is located on the lower surface of the inlet 108. The valve 104 is connected with a valve control mechanism, and the valve 104 is controlled to be opened or closed through the valve control mechanism; the shutter 104 is opened to be horizontal with the upper surface of the chassis 3 and closed to be in contact with the inner surface of the case 101.
Further, the shutter control mechanism comprises a motor 102, a connecting rod 107, a pin 105 and a link plate 106, wherein the motor 102 is fixed with the housing 101 through a second pin 103. In the present embodiment, the motor 102 is a dc motor. The shutter 104 is connected to the housing 101 by a pin 105, and the pin 105 penetrates the side of the housing 101 and has an end surface connected to one end of the link plate 106. The other end of the link plate 106 is connected with one end of a connecting rod 107, and the other end of the connecting rod 107 is connected with an output shaft of the motor 102 through the other link plate 106.
Each outlet unit 1 is controlled by the motor 102 to open or close the valve 104, and multiple rows of opening or closing can be controlled simultaneously during the sowing operation, thereby bringing more possibilities for the sowing operation. When a certain row of outlet monomers 1 needs to be closed, when the motor 102 rotates clockwise by 90 degrees, the connecting rod 107 moves downwards to drive the valve 104 to rotate anticlockwise, at the moment, the valve 104 is in a closed state, and the mixture of seeds and air flow is blocked by the valve 104.
As shown in fig. 7, the cover plate 2 is an umbrella-shaped structure, and the upper end surface and the lower end surface are both flat surfaces. The top of the inner cavity of the cover plate 2 is provided with a conical bulge 201, the inner wall of the conical bulge is uniformly provided with a plurality of partition plates 202 which are equal to the outlet single body 1, and the adjacent partition plates 202 are symmetrically arranged on two sides of the outlet single body 1. The seeds can be more uniformly distributed to all outlet monomers 1 through the partition plate 202, the seed sowing consistency of the outlet monomers 1 in each row is greatly improved, and the air pressure loss is reduced.
As shown in fig. 4, the bottom plate 3 is a circular disk, and the number of the holes 301 is equal to the number of the outlet cells 1 at intervals along the circumferential direction near the edge, and the width of the holes 301 is equal to the width of the inlet 108 of the outlet cells 1. When the mixture of the seeds and the air flow is blocked by the valve 104, the blocked seeds fall into the backflow chamber 10 through the molded holes 301, fall to the lower end face of the straight pipe 5 under the action of self gravity, are mixed with newly entering seeds at the outlet of the corrugated pipe 6, and enter the distribution chamber through the straight pipe 5 under the action of positive pressure to perform secondary distribution.
As shown in fig. 6, the upper and lower end faces of the tapered tube 4 are provided with flanges 401, and the tapered angle α formed by the tapered tube 4 and the axis thereof is less than 45 °. The end with the larger diameter of the conical pipe 4 is arranged below the chassis 3 through a flange 401, and the end with the smaller diameter is connected with the corrugated pipe 6 through the flange 401.
The straight pipe 5 is arranged inside the conical pipe 4, as shown in fig. 5, the upper end of the straight pipe 5 is a bell mouth, the upper end surface of the straight pipe is flush with the upper end surface of the chassis 3, and the straight pipe is connected with the chassis 3 through a countersunk head bolt; the conical tube 4 and the straight tube 5 form a return chamber 10. In this embodiment, the distance H between the lower end surface of the straight tube 5 and the inner surface of the conical tube 4 is greater than 10mm, and the inner diameter phi1Is larger than the diameter phi of the corrugated pipe 62。
Example two:
the embodiment provides a control method of a rice and wheat gathering and arranging distributor, which comprises the following steps:
the positive pressure gas flow sends the mixture of the gas flow and the rice and wheat seeds into the distribution chamber 9 through the straight pipe 5 by the corrugated pipe 6, the rice and wheat seeds rise to contact with the cover plate 2, and the uniform seed flow is formed by the separation action of the conical bulge 201 and the partition plate 202 and enters the inlet 108 of the corresponding outlet monomer 1, and at the moment, the valve 104 is in an open state.
When a certain row of outlet monomers 1 needs to be closed, the controller controls the motor 102 to rotate 90 degrees clockwise, the connecting rod 107 moves downwards to drive the valve 104 to rotate anticlockwise, at the moment, the valve 104 is in a closed state, and the mixture of seeds and air flow is blocked by the valve 104.
The blocked seeds fall into the backflow chamber 10 through the molded holes 301 of the bottom plate 3, fall to the lower end face of the straight pipe 5 under the action of self gravity, are mixed with newly entering seeds at the outlet of the corrugated pipe 6, and enter the distribution chamber 9 through the straight pipe 5 under the action of positive pressure for secondary distribution.
Each outlet unit 1 is provided with a direct current motor 102 for controlling the opening and closing of a valve 104, and can control the opening and closing of multiple rows simultaneously during the sowing operation, thereby bringing more possibilities for the sowing operation; and after the single-row outlet monomer 1 is closed, the blocked seeds can be subjected to backflow secondary distribution, so that the operation performance of the machine tool is improved, and the sowing operation mode is perfected.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. A rice and wheat collecting and distributing device is characterized by comprising a plurality of outlet single bodies which are distributed in an annular shape, wherein the tops of the outlet single bodies are detachably connected with a cover plate; a straight pipe is arranged below the inlet side of the outlet monomer, a chassis is sleeved on the outer side of the straight pipe, the chassis is detachably connected with a conical pipe, and the conical pipe is connected with a corrugated pipe;
a distribution chamber is formed among the outlet single body, the base plate and the cover plate, and a backflow chamber is formed between the conical pipe and the straight pipe; the inlet sides of the outlet monomers are provided with valves, the valves are connected with a valve control mechanism, any outlet monomer can be randomly closed under the action of the valve control mechanism, the valve control mechanism comprises a motor, an output shaft of the motor is connected with one end of a connecting rod through a chain plate, the other end of the connecting rod is connected with a pin through the chain plate, the pin is connected with the valves, when the outlet monomers need to be closed, the motor rotates 90 degrees clockwise, the connecting rod moves downwards to drive the valves to rotate anticlockwise, at the moment, the valves are in a closed state, and the mixture of seeds and air flow is blocked by the valves;
the outlet single bodies are connected with the cover plate through the upper connecting plate, the inner cavity of the cover plate is provided with a conical bulge away from one side of the straight pipe, and a plurality of partition plates with the same number as the outlet single bodies are uniformly arranged on the inner wall of the cover plate; the adjacent partition plates are symmetrically arranged on two sides of the outlet monomer.
2. A rice and wheat collector bar distributor as claimed in claim 1, wherein said outlet unit comprises a housing having an inlet at one end and an outlet at the other end; the inlet is connected with the distribution chamber, and the outlet is used for connecting the seed conveying pipe.
3. A rice and wheat collector bar distributor as claimed in claim 2 wherein said inlet is a square mouth and the outlet is a circular mouth.
4. A rice and wheat distributor as claimed in claim 1, wherein the bottom plate is provided with a number of holes equal to the number of the outlet cells at intervals along the circumferential direction thereof near the edge, and the width of the holes is equal to the width of the inlet of the outlet cells.
5. The rice and wheat gathering and distributing device as claimed in claim 1, wherein the upper end of the straight pipe is flared, and the upper end surface of the straight pipe is flush with the upper end surface of the chassis and is detachably connected with the chassis; the distance H between the lower end surface of the straight pipe and the inner surface of the conical pipe is more than 10 mm.
6. A rice and wheat collector bar distributor as claimed in claim 1 wherein the side walls of said conical tubes are tapered at an angle α of less than 45 °.
7. A method for controlling a rice and wheat cluster distributor as claimed in any one of claims 1 to 6, comprising:
the positive pressure gas flow sends the mixture of the gas flow and the rice and wheat seeds into the distribution chamber through the straight pipe through the corrugated pipe, the rice and wheat seeds rise to contact with the cover plate, and a uniform seed flow is formed through the separation action of the conical bulge and the partition plate and enters the inlet of the corresponding outlet monomer, and the valve is in an open state at the moment;
when the outlet monomer needs to be closed, the motor rotates 90 degrees clockwise, the connecting rod moves downwards to drive the valve to rotate anticlockwise, the valve is in a closed state, and the mixture of the seeds and the airflow is blocked by the valve;
the blocked seeds fall into the backflow chamber through the molding holes of the bottom plate, fall to the lower end face of the straight pipe under the action of self gravity, are mixed with newly entering seeds at the outlet of the corrugated pipe, and enter the distribution chamber through the straight pipe under the action of positive pressure to perform secondary distribution.
8. The method as claimed in claim 7, wherein the opening and closing of the plurality of rows of outlet cells are controlled simultaneously during the sowing operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010736770.8A CN111903288B (en) | 2020-07-28 | 2020-07-28 | Rice and wheat gathering and arranging distributor and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010736770.8A CN111903288B (en) | 2020-07-28 | 2020-07-28 | Rice and wheat gathering and arranging distributor and method |
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| Publication Number | Publication Date |
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| CN111903288A CN111903288A (en) | 2020-11-10 |
| CN111903288B true CN111903288B (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010736770.8A Active CN111903288B (en) | 2020-07-28 | 2020-07-28 | Rice and wheat gathering and arranging distributor and method |
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| CN (1) | CN111903288B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2128026Y (en) * | 1992-01-28 | 1993-03-17 | 李春生 | Corn seeding and manuring device |
| CN201374906Y (en) * | 2008-12-25 | 2010-01-06 | 山东农业大学 | Pneumatic one-stage centralized seeder |
| US8656848B2 (en) * | 2011-06-10 | 2014-02-25 | Great Plains Manufacturing, Inc. | Seed distribution tower for an air seeder |
| EP2695508B1 (en) * | 2012-08-09 | 2015-05-27 | Alois Pöttinger Maschinenfabrik GmbH | Distribution head for a sowing or fertilising machine |
| CN205336818U (en) * | 2015-12-17 | 2016-06-29 | 华中农业大学 | Formula distributor is sent in exhaust of naked oats dual -purpose collection |
| CN108024500A (en) * | 2015-09-28 | 2018-05-11 | 赫什机械有限公司 | Agriculture planting machine sows tower and for disconnecting this method for sowing tower outlet |
| CN111010947A (en) * | 2019-12-24 | 2020-04-17 | 黑龙江丰沃非凡农业科技发展有限公司 | Seed metering system for seeder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2756635A1 (en) * | 2011-11-01 | 2013-05-01 | Straw Track Manufacturing Inc. | Air seeder manifold apparatus |
-
2020
- 2020-07-28 CN CN202010736770.8A patent/CN111903288B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2128026Y (en) * | 1992-01-28 | 1993-03-17 | 李春生 | Corn seeding and manuring device |
| CN201374906Y (en) * | 2008-12-25 | 2010-01-06 | 山东农业大学 | Pneumatic one-stage centralized seeder |
| US8656848B2 (en) * | 2011-06-10 | 2014-02-25 | Great Plains Manufacturing, Inc. | Seed distribution tower for an air seeder |
| EP2695508B1 (en) * | 2012-08-09 | 2015-05-27 | Alois Pöttinger Maschinenfabrik GmbH | Distribution head for a sowing or fertilising machine |
| CN108024500A (en) * | 2015-09-28 | 2018-05-11 | 赫什机械有限公司 | Agriculture planting machine sows tower and for disconnecting this method for sowing tower outlet |
| CN205336818U (en) * | 2015-12-17 | 2016-06-29 | 华中农业大学 | Formula distributor is sent in exhaust of naked oats dual -purpose collection |
| CN111010947A (en) * | 2019-12-24 | 2020-04-17 | 黑龙江丰沃非凡农业科技发展有限公司 | Seed metering system for seeder |
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| CN111903288A (en) | 2020-11-10 |
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