CN111615875A - Reverse rotation type uniform sowing machine - Google Patents

Reverse rotation type uniform sowing machine Download PDF

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Publication number
CN111615875A
CN111615875A CN202010407680.4A CN202010407680A CN111615875A CN 111615875 A CN111615875 A CN 111615875A CN 202010407680 A CN202010407680 A CN 202010407680A CN 111615875 A CN111615875 A CN 111615875A
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CN
China
Prior art keywords
soil
seed
rotary tillage
opening
conveying pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010407680.4A
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Chinese (zh)
Inventor
朱继平
夏敏
陈伟
袁栋
丁艳
姚克恒
梁秋菡
刘正刚
汤凯全
汤易水
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JIANGSU QINGHUAI MACHINERY CO LTD
Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
Original Assignee
JIANGSU QINGHUAI MACHINERY CO LTD
Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU QINGHUAI MACHINERY CO LTD, Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture filed Critical JIANGSU QINGHUAI MACHINERY CO LTD
Priority to CN202010407680.4A priority Critical patent/CN111615875A/en
Publication of CN111615875A publication Critical patent/CN111615875A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B49/00Combined machines
    • A01B49/04Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
    • A01B49/06Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
    • A01B49/065Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising the soil-working tools being actively driven
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B49/00Combined machines
    • A01B49/02Combined machines with two or more soil-working tools of different kind
    • A01B49/022Combined machines with two or more soil-working tools of different kind at least one tool being actively driven

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Sowing (AREA)

Abstract

The invention discloses a reverse rotation type uniform sowing machine, which comprises a frame; the rotary tillage machine comprises a reverse rotary tillage part and a rotary tillage cutter shaft, wherein a rotary tillage cutter is fixedly arranged on the rotary tillage cutter shaft, and an opening is formed in a machine cover; the soil covering box is arranged on the machine cover, a soil conveying pipe is fixedly arranged at the bottom of the soil covering box, and a soil conveying spiral is arranged in the soil covering box; a uniform seeding assembly; an elastic soil pressing plate; the rotary tillage cutter shaft, the end part of the elastic soil pressing plate, the output end of the uniform sowing and sowing component and the end part of the soil conveying pipe are arranged at intervals in sequence. The rotary tillage cutter shaft throws soil backwards, part of the soil passes through the opening at the top of the hood, and part of the soil directly falls to the bottom of a rotary tillage ditch under the covering action of the hood to form a loose soil layer; the loose soil layer is scraped and compacted by an elastic soil compacting plate to form a seedbed; the broken soil thrown out of the machine cover from the opening is sent to the soil covering box, and the soil conveying screw is arranged in the soil covering box to uniformly discharge the broken soil, so that the thickness of the soil covering layer is relatively consistent, and the soil covering uniformity and depth are ensured.

Description

Reverse rotation type uniform sowing machine
Technical Field
The technology belongs to the field of agricultural machinery, and relates to a reverse rotation type uniform sowing machine which is used for grain rotary tillage sowing operation and can complete the operations of soil rotary tillage, stubble burying, fertilization and uniform sowing.
Background
The uniform sowing operation means that the seeds are uniformly distributed in the space of a common grain sowing layer, the uniform distribution of the sowing soil plane is ensured, the uniform sowing depth can be realized, the novel grain sowing operation technology can be used for grains such as wheat, barley, highland barley and the like, the uniform distribution in a certain sowing range can fully utilize the soil space and soil water and fertilizer, and the high yield of crops is realized. The existing special three-dimensional uniform sowing machine uses a rotary tillage cutter shaft (normally rotating) to complete soil tillage operation, the rotating cutter shaft drives the soil on the ground to the back, and partial soil is driven to the back from the upper part through a conveyer belt for covering sowed seeds; earth's surface and compaction are strickleed off through preceding compression roller to the soil surface after the rotary tillage, and the seeding part evenly spills the earth's surface to the seed through the equipartition board according to the width of broadcasting of needs, and the hack that again has upper portion to bring covers, accomplishes the suppression of earth's surface through the compression roller at last.
In the processing method, the soil covering thickness of the seeds is difficult to control, the operation speed is difficult to match with the rotary tillage rotating speed, the rotary tillage depth influences the soil covering thickness, and the soil covering uniformity and depth are difficult to ensure; there is also uniform sowing machine modified by common rotary sowing machine, the common drill furrow opener is changed into a seed spreader (or called as seed guiding plate) which is arranged side by side according to the designed sowing width, the seed is covered with soil by the crushed soil thrown after rotary tillage, the covering depth is influenced by the throwing amount, and is difficult to control; back-dumping also affects the uniformity of seed distribution.
Disclosure of Invention
The invention provides a reverse-rotation type uniform sowing machine, which utilizes a reverse rotary tillage operation technology, a rotary tillage cutter shaft cuts soil in a downward cutting mode, the cutter shaft enables the soil to be thrown backwards from the bottom to the front to the top to the back, the backward thrown soil forms two parts when passing through an opening at the top of a hood, one part is thrown out from the opening on the hood, and the other part directly falls to the bottom of a rotary tillage ditch under the covering effect of the hood to form a loose soil layer; the loose soil layer is then scraped and compacted by an elastic soil compacting plate (made of an elastic rubber plate) to form a seed bed; the soil crushed outside the hood is thrown out of the opening and is sent to a soil covering box, a soil conveying screw is arranged in the soil covering box and is driven by a rear-arranged press roller and a chain in a transmission way, the soil conveying screw synchronously rotates along with the operation of the assembly, the crushed soil is uniformly discharged, and the soil discharge amount can be adjusted by the size of the opening of the soil conveying screw; the seeding and fertilizing components are synchronously driven by a motor, so that the synchronization of the operation speed and the seeding and fertilizing amount is ensured, the fertilizer is applied by adopting a plough layer according to the agricultural requirements, and the fertilizer is uniformly mixed into the plough layer by the rotary cultivating cutter shaft before the rotary cultivating cutter shaft; the seeding adopts an outer grooved wheel seed sowing device, the lower seed guide plates are arranged side by side and are generally in a group of 10-12cm, and the seeding width of the whole machine is determined according to the agricultural requirements and is generally 150-200 cm; the seed guide plate is provided with an even distribution plate to ensure the uniformity of the seeds scattered on the earth surface. The seeds which are evenly sowed are covered by the soil fragments discharged by the upper soil covering box according to needs, and finally compacted by a compacting roller, so that the whole fertilization and grain evenly sowing operation is completed.
In order to achieve the above purpose, the present invention provides the following technical solutions: a counter-rotating seed homogenizer comprising:
the front end of the frame is provided with a connecting part for connecting the frame and the power input shaft;
the rotary tillage machine comprises a rotary tillage part, a rotary tillage part and a rotary tillage device, wherein the rotary tillage part comprises a machine cover and a rotary tillage cutter shaft covered by the machine cover;
the soil covering box is arranged on the machine cover, an opening of the soil covering box is communicated with an inner cavity of the soil covering box, a soil conveying pipe is fixedly arranged at the bottom of the soil covering box, and a soil conveying screw for conveying soil in the soil covering box to the soil conveying pipe is arranged in the soil covering box;
a uniform seeding assembly;
an elastic soil pressing plate;
the rotary tillage cutter shaft, the end part of the elastic soil pressing plate, the output end of the uniform sowing and sowing component and the end part of the soil conveying pipe are arranged in sequence at intervals from front to back on the frame.
The rotary tillage cutter shaft cuts soil in a downward cutting mode, the cutter shaft throws the soil backwards from the downward part to the forward part to the upward part to throw the soil backwards, the backward soil throwing part forms two parts through an opening at the top of the hood, and soil crumbs in the hood directly fall to the bottom of a rotary tillage ditch under the covering effect of the hood to form a loose soil layer; the loose soil layer is then scraped and compacted by an elastic soil compacting plate (made of an elastic rubber plate) to form a seed bed; the broken soil thrown out of the machine cover from the opening is sent to the soil covering box, and the soil conveying screw is arranged in the soil covering box to uniformly discharge the broken soil, so that the thickness of the soil covering layer is relatively consistent, and the soil covering uniformity and depth are ensured.
On the basis of the scheme, the uniform seeding assembly preferably comprises a seed conveying pipe, the seed conveying pipe is fixedly installed on the rack, and the lower end of the seed conveying pipe is fixedly connected with the seed guiding part.
On the basis of above-mentioned scheme, as preferred, the interior terminal surface of seed guide plate is equipped with seed guide portion, seed guide portion include with seed conveying pipe fixed connection's pipe portion and with pipe portion fixed connection's branch kind portion, from top to bottom the direction, be provided with first group equipartition board, second group equipartition board on the branch kind portion inner wall, the number of first group equipartition board only has one and the perpendicular bisector equally divide pipe portion, the quantity of second group equipartition board is 2N, N is 1 at least, the symmetry of second group equipartition board sets up the perpendicular bisector both sides at first group equipartition board.
On the basis of the above scheme, preferably, the frame is fixedly provided with a fertilizer guide groove, and the output end of the fertilizer guide groove is positioned in front of the rotary tillage cutter shaft from front to back.
On the basis of the scheme, the soil covering box is preferably formed by a plurality of vertical plates, a top plate and a hood in a surrounding mode, and the hood is provided with a slope surface for guiding soil in the soil covering box to the soil conveying spiral.
In addition to the above, preferably, the hood is provided with an opening adjustment plate that partially covers the opening to adjust an opening degree of the opening.
In addition to the above-mentioned aspects, it is preferable that the opening is provided with a grass barrier.
On the basis of the scheme, preferably, the soil conveying pipe is provided with a soil conveying adjusting plate for adjusting the soil output amount of the soil conveying pipe.
On the basis of the scheme, preferably, the rack is provided with a seed fertilizer box, a seed sowing device and a fertilizer distributor are arranged in the seed fertilizer, the seed sowing device is connected with a seed conveying pipe, and the fertilizer distributor is connected with a fertilizer guide groove.
On the basis of the scheme, the soil conveying spiral and the press roller on the rack are preferably in synchronous transmission.
The beneficial effect of adopting above technical scheme is:
1. the soil is cut in a downward cutting mode by the plowing cutter shaft, the soil is thrown backwards by the cutter shaft from the downward characteristic to the forward characteristic to the upward characteristic, the backward soil throwing part forms two parts through an opening at the top of the hood, and the soil crumbs in the hood directly fall to the bottom of a rotary tillage ditch under the covering effect of the hood to form a loose soil layer; the loose soil layer is then scraped and compacted by an elastic soil compacting plate (made of an elastic rubber plate) to form a seed bed; the broken soil thrown out of the machine cover from the opening is sent to the soil covering box, and the soil conveying screw is arranged in the soil covering box to uniformly discharge the broken soil, so that the thickness of the soil covering layer is relatively consistent, and the soil covering uniformity and depth are ensured.
2. The soil conveying screw and the press roller at the rear end of the frame are in synchronous transmission, so that the synchronization with the operation state can be ensured, and the conditions of over-thick soil covering and the like are avoided.
3. The seeding device and the fertilizer distributor are synchronously driven to ensure the uniformity of the fertilizing amount and the seeding amount.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the seed guide plate.
Wherein: a reverse rotary tillage part 1, a fertilizer guide groove 2, a seed fertilizer box 3, an opening adjusting plate 4 and a soil covering box; 5. a seed conveying pipe 6, a soil conveying spiral 7, a soil conveying adjusting plate 8, a seed guiding plate 9, a soil guiding plate 10, a press roller 11 and an elastic soil pressing plate 12.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
With reference to fig. 1 and 2, a reverse rotation type seed homogenizer comprises:
the front end of the frame is provided with a connecting part for connecting the frame and the power input shaft;
the rotary tillage machine comprises a rotary tillage part, a rotary tillage part and a rotary tillage device, wherein the rotary tillage part comprises a machine cover and a rotary tillage cutter shaft covered by the machine cover;
the soil covering box is arranged on the machine cover, an opening of the soil covering box is communicated with an inner cavity of the soil covering box, a soil conveying pipe is fixedly arranged at the bottom of the soil covering box, and a soil conveying screw for conveying soil in the soil covering box to the soil conveying pipe is arranged in the soil covering box;
a uniform seeding assembly;
an elastic soil pressing plate;
the rotary tillage cutter shaft, the end part of the elastic soil pressing plate, the output end of the uniform sowing and sowing component and the end part of the soil conveying pipe are arranged in sequence at intervals from front to back on the frame.
The uniform seeding assembly comprises a seed conveying pipe, the seed conveying pipe is fixedly arranged on the rack, and the lower end of the seed conveying pipe is fixedly connected with the seed guiding part.
The interior terminal surface of seed guide plate is equipped with seed guide portion, seed guide portion include with seed transmission pipe fixed connection's pipe portion and with pipe portion fixed connection's branch kind portion, from top to bottom direction, be provided with first group equipartition board, second group equipartition board on the branch kind portion inner wall, the number of first group equipartition board only has one and the perpendicular bisector to equally divide pipe portion, the quantity of second group equipartition board is 2N, N is 1 at least, the symmetry of second group equipartition board sets up the perpendicular bisector both sides at first group equipartition board.
The frame is fixedly provided with a fertilizer guide groove, and the output end of the fertilizer guide groove is positioned in front of the rotary tillage cutter shaft from front to back.
The soil covering box is formed by a plurality of vertical plates, a top plate and a hood in a surrounding mode, and the hood is provided with a slope surface for guiding soil in the soil covering box to the soil conveying spiral.
An opening adjusting plate which can partially cover the opening and is used for adjusting the opening degree of the opening is arranged on the hood.
The opening is provided with a grass blocking grid.
The soil conveying pipe is provided with a soil conveying adjusting plate for adjusting the soil output of the soil conveying pipe.
The frame is provided with a seed fertilizer box, a seed sowing device and a fertilizer discharging device are arranged in the seed fertilizer, the seed sowing device is connected with a seed conveying pipe, and the fertilizer discharging device is connected with a fertilizer guiding groove.
The working mechanism is as follows: the reverse rotary tillage blade reversely cuts soil, the cut soil fragments reach an opening at the top of the machine cover from bottom to front to top, the opening is provided with grass retaining grids which are uniformly distributed, vegetation (including weeds) is prevented from passing through the grass retaining grids, the backward soil conveying amount is controlled through an opening adjusting plate 4, and the internal soil fragments directly fall at the bottom of a rotary tillage back ditch under the action of a rear machine cover to form a loose soil layer; the loose seedbed is strickled and compacted by an elastic soil compacting plate to finally form a seedbed; the external broken soil is thrown into a soil covering box 5, is output through a soil conveying screw 7 and a soil conveying adjusting plate 8, and falls to the ground surface at a soil guide plate 10; the fertilizer and the seeds are output through a seed and fertilizer box 3 and a seed sowing device and a fertilizer discharging device, the fertilizer is scattered in front of a rotary tillage cutter shaft through a fertilizer guiding groove 2 at the front part, and the fertilizer and the seeds are mixed into a plough layer through the action of the rotary tillage cutter shaft; the seeds are uniformly scattered on the ground surface from the seed conveying pipe 6 to the seed guide plate 9, the seeds are covered by the broken soil falling from the upper soil guide plate 10, and the soil covering amount is adjusted by the rotating speed of the soil conveying screw 7 and the opening degree of the soil conveying adjusting plate 8. And finally, the covering soil is compacted through a compacting roller 11. The seed and fertilizer discharging drive is driven by a speed regulating motor, and a synchronous system of the operation speed and the driving rotating speed can be configured, so that the uniformity of the fertilizing amount and the seeding amount is ensured; the soil conveying screw and the press roller are synchronously driven, so that the synchronization with the operation state can be ensured, and the conditions of over-thick soil covering and the like are avoided.
More specifically say specifically, the one end of opening regulating plate is fixed in the pivot of setting on the aircraft bonnet on, and pivot accessible motor drive realizes intelligent regulation, also accessible sets up the arc on the aircraft bonnet, if: one end of the opening adjusting plate is fixed on the rotating shaft, the two sides of the other end of the opening adjusting plate are provided with arc plates, the arc plates use the axis of the rotating shaft as the circle center, a plurality of through holes are formed in the arc plates, the arc plates are fixed with the opening adjusting plate by penetrating through the through holes through locking bolts, and the size of the opening is adjusted by adjusting the fixing positions of the opening adjusting plate and the arc plates.
For the soil transporting adjusting plate, the design is as follows: the soil conveying adjusting plate is an upper end plate of a square soil conveying pipe, and the interval between the upper end plate and a lower end plate (a hood in the text) of the soil conveying pipe is adjustable.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept of the present invention, which falls into the protection scope of the present invention.

Claims (10)

1. A reverse rotation type uniform seeder is characterized by comprising:
the front end of the frame is provided with a connecting part for connecting the frame and the power input shaft;
the rotary tillage machine comprises a rotary tillage part, a rotary tillage part and a rotary tillage device, wherein the rotary tillage part comprises a machine cover and a rotary tillage cutter shaft covered by the machine cover;
the soil covering box is arranged on the machine cover, an opening of the soil covering box is communicated with an inner cavity of the soil covering box, a soil conveying pipe is fixedly arranged at the bottom of the soil covering box, and a soil conveying screw for conveying soil in the soil covering box to the soil conveying pipe is arranged in the soil covering box;
a uniform seeding assembly;
an elastic soil pressing plate;
the rotary tillage cutter shaft, the end part of the elastic soil pressing plate, the output end of the uniform sowing and sowing component and the end part of the soil conveying pipe are arranged in sequence at intervals from front to back on the frame.
2. The counter-rotating seed homogenizer of claim 1, wherein the seed homogenizing and sowing assembly comprises a seed conveying pipe, the seed conveying pipe is fixedly mounted on the frame, and the lower end of the seed conveying pipe is fixedly connected with the seed guiding part.
3. The contra-rotating seed homogenizer according to claim 2, wherein the inner end surface of the seed guide plate is provided with a seed guide portion, the seed guide portion comprises a conduit portion fixedly connected with the seed delivery pipe and a seed distribution portion fixedly connected with the conduit portion, a first group of uniform distribution plates and a second group of uniform distribution plates are arranged on the inner wall of the seed distribution portion in the top-to-bottom direction, the number of the first group of uniform distribution plates is only one, the perpendicular bisector divides the conduit portion equally, the number of the second group of uniform distribution plates is 2N, N is at least 1, and the second group of uniform distribution plates are symmetrically arranged on two sides of the perpendicular bisector of the first group of uniform distribution plates.
4. The reverse-rotation seed homogenizer of claim 1, wherein the frame is fixedly provided with a fertilizer guide groove, and an output end of the fertilizer guide groove is positioned in front of the rotary blade shaft in the front-to-rear direction of the frame.
5. The reverse-rotation hill planter according to claim 1 wherein the casing is formed by a plurality of risers and a roof enclosing a housing, the housing having a ramp surface for guiding soil in the casing to the soil transporting auger.
6. The backspin homogenizer of claim 1, wherein the hood is provided with an opening-adjusting plate which partially covers the opening for adjusting the opening degree of the opening.
7. The backspin homogenizer of claim 1, wherein the opening is fitted with a grass fence.
8. The reverse-rotation uniform seeder of claim 1, wherein the soil transporting pipe is provided with a soil-discharging pipe
The soil conveying adjusting plate is used for adjusting the soil output of the soil conveying pipe.
9. The counter-rotating seed homogenizer of claim 1, wherein the frame is provided with a seed fertilizer box, the seed fertilizer is provided with a seed metering device and a fertilizer discharging device, the seed metering device is connected with the seed conveying pipe, and the fertilizer discharging device is connected with the fertilizer guiding groove.
10. The counter-rotating seed homogenizer according to claim 1, wherein the soil transporting auger and the press rolls on the frame are driven synchronously.
CN202010407680.4A 2020-05-14 2020-05-14 Reverse rotation type uniform sowing machine Pending CN111615875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010407680.4A CN111615875A (en) 2020-05-14 2020-05-14 Reverse rotation type uniform sowing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010407680.4A CN111615875A (en) 2020-05-14 2020-05-14 Reverse rotation type uniform sowing machine

Publications (1)

Publication Number Publication Date
CN111615875A true CN111615875A (en) 2020-09-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010407680.4A Pending CN111615875A (en) 2020-05-14 2020-05-14 Reverse rotation type uniform sowing machine

Country Status (1)

Country Link
CN (1) CN111615875A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113039883A (en) * 2021-02-05 2021-06-29 农业农村部南京农业机械化研究所 Reverse rotation type ridging, film covering and soil compacting machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113039883A (en) * 2021-02-05 2021-06-29 农业农村部南京农业机械化研究所 Reverse rotation type ridging, film covering and soil compacting machine

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