CN112335378A - Pneumatic precision seeding equipment and method for sowing corn in strip-shaped clean area - Google Patents
Pneumatic precision seeding equipment and method for sowing corn in strip-shaped clean area Download PDFInfo
- Publication number
- CN112335378A CN112335378A CN202011122973.4A CN202011122973A CN112335378A CN 112335378 A CN112335378 A CN 112335378A CN 202011122973 A CN202011122973 A CN 202011122973A CN 112335378 A CN112335378 A CN 112335378A
- Authority
- CN
- China
- Prior art keywords
- sowing
- belt
- stubble
- shaped
- frame
- 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
Links
- 238000009331 sowing Methods 0.000 title claims abstract description 101
- 238000010899 nucleation Methods 0.000 title claims abstract description 49
- 240000008042 Zea mays Species 0.000 title claims abstract description 48
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 48
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 43
- 235000005822 corn Nutrition 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000010902 straw Substances 0.000 claims abstract description 51
- 238000004140 cleaning Methods 0.000 claims description 63
- 230000007246 mechanism Effects 0.000 claims description 21
- 239000003337 fertilizer Substances 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 9
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 7
- 235000011613 Pinus brutia Nutrition 0.000 claims description 7
- 241000018646 Pinus brutia Species 0.000 claims description 7
- 241000721671 Ludwigia Species 0.000 claims description 6
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims description 5
- 235000009973 maize Nutrition 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 4
- 208000003643 Callosities Diseases 0.000 claims description 3
- 206010020649 Hyperkeratosis Diseases 0.000 claims description 3
- 238000003971 tillage Methods 0.000 abstract description 6
- 239000002689 soil Substances 0.000 description 37
- 230000005540 biological transmission Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000005056 compaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004720 fertilization Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000035784 germination Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/04—Single-grain seeders with or without suction devices
- A01C7/042—Single-grain seeders with or without suction devices using pneumatic means
- A01C7/044—Pneumatic seed wheels
- A01C7/046—Pneumatic seed wheels with perforated seeding discs
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
- A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/066—Devices for covering drills or furrows
- A01C5/068—Furrow packing devices, e.g. press wheels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/18—Machines for depositing quantities of seed at intervals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/835—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes
- A01D34/8355—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for cutting up or crushing remaining standing stalks, e.g. stubble
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
本发明公开了一种玉米带状洁区播种气力式精量播种装备及方法，解决了现有技术中无法实现带状洁区的玉米播种的问题，具有实现带状洁区播种，提高了播种质量，有利于玉米生长的有益效果，具体方案如下：一种玉米带状洁区播种气力式精量播种装备，包括深松苗带还田机和至少一个气吸播种机，深松苗带还田机和气吸播种机连接，气吸播种机设于深松苗带还田机的后侧，深松苗带还田机包括机架，通过机架设置至少一个开口朝下的耕仓，相邻两耕仓之间间隔有设定的距离设置，且每一耕仓中设置用于处理秸秆的灭茬刀，耕仓与气吸播种机前后设置。
The invention discloses a pneumatic precision seeding device and method for sowing corn in a strip-shaped clean area, which solves the problem that corn sowing in the strip-shaped clean area cannot be realized in the prior art, has the advantages of realizing sowing in the strip-shaped clean area, and improves sowing. The specific scheme is as follows: a pneumatic precision seeding equipment for sowing in a corn strip-shaped clean area, including a subsoiling seedling belt returning machine and at least one air-suction seeder, and a deep loosening seedling belt returning machine It is connected with the air-suction seeder, and the air-suction seeder is arranged on the rear side of the subsoiling seedling belt returning machine. The subsoiling seedling belt returning machine includes a frame, through which at least one ploughing bin with an opening facing downward is arranged, and two adjacent ploughing bins are arranged. There is a set distance between them, and a stubble cutter for processing straw is set in each tillage bin, and the tillage bin and the air-suction planter are set before and after.
Description
Technical Field
The invention relates to the field of agricultural sowing machinery research, in particular to pneumatic precision sowing equipment and method for sowing corn in a banded clean area.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The traditional full-width straw returning cultivation often causes wind erosion and soil moisture loss of surface soil, is not beneficial to the growth of corns, and can reduce water and soil loss, store water and preserve soil moisture and fertility of soil by covering with straw. However, sowing under straw mulching conditions easily affects the emergence of seeds.
Under the condition of seeding in a belt-shaped clean area, the straw cover can increase the soil moisture, provide favorable conditions for the growth of microorganisms and soil animals, has high operation efficiency, saves labor cost and reduces fuel consumption. The sowing belt is characterized in that a belt-shaped clean area (the sowing belt is chopped up and returned to the field through a rotary tillage mode under the straw covering condition to form a clean area suitable for the sowing condition) is sowed to form a loose seedling belt without straw covering, so that the sowing is facilitated, the sowing quality is improved, and the emergence rate is improved.
The inventor finds that strip-shaped clean area sowing is carried out in the prior art, all the straws covered in the field are usually treated by a returning machine, the straws between corn rows are also treated, soil moisture is not easy to retain, then sowing treatment is carried out by an independent sowing machine, and multiple times of cultivation is carried out on the field soil, so that the field soil is not beneficial to protecting the soil.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide pneumatic precision sowing equipment for corn strip-shaped clean area sowing, which is used for feeding straws of sowing rows into a field, realizing separate straw cleaning and sowing, realizing strip-shaped clean area sowing, improving the sowing quality, keeping straw coverage among rows during the corn growth period, being beneficial to keeping soil moisture, resisting drought, preserving soil moisture and being beneficial to the corn growth.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a clean district seeding pneumatic precision seeding of banded maize is equipped, including returning field machine in subsoiling seedling area and at least one air suction seeder, returning field machine in subsoiling seedling area and air suction seeder are connected, the rear side of returning field machine in subsoiling seedling area is located to the air suction seeder, returning field machine in subsoiling seedling area includes the frame, set up at least one opening storehouse of ploughing down through the frame, the interval has the distance setting of settlement between the storehouse is ploughed to adjacent two, and each is ploughed and sets up the stubble-cleaning sword that is used for handling the straw in the storehouse, it sets up around storehouse and the air suction seeder to plough.
The equipment completes the cleaning of seeding row straws and stubbles by the deep scarification seedling belt returning machine, ensures the germination rate of corns, simultaneously sets the distance at intervals between adjacent plowing bins to ensure that the row straws are reserved, is favorable for the reservation of soil moisture, performs belt-shaped clean area seeding by the air suction seeding machine, performs one-time tillage, does not need to perform multiple times of tillage on the field, and protects the soil.
According to the pneumatic precision sowing equipment for corn belt-shaped clean area sowing, the plowing bin comprises two plowing plates, the two plowing plates are arranged at a set distance, the top ends of the two plowing plates are supported by the frame, the front sides of the two plowing plates are provided with the cover plates, and the two ends of the cover plates are respectively connected with the plowing plates, so that the plowing bin forms a semi-closed cavity, the treatment of straws in the plowing bin is facilitated, and the straws outside the plowing bin cannot be influenced.
As above a pneumatic precision seeding of banded clean area seeding of maize equips, subsoiler seedling area still includes the stubble-cleaning arbor, the stubble-cleaning sword pass through the installation of stubble-cleaning arbor, horizontal stubble-cleaning arbor passes the curb plate of ploughing the storehouse and frame both sides is connected, sets up the subsoiler through rack-mount at the rear of stubble-cleaning arbor, the front end of subsoiler surpasss the stubble-cleaning sword setting, sets up the compression roller at the rear of subsoiler through the frame, the central axis of compression roller is less than the central axis setting of stubble-cleaning arbor, the subsoiler is used for dark loose soil, the compression roller has guaranteed the soil compaction after the seedling area clearance.
The pneumatic precision seeding equipment for seeding in the banded clean area of the corn is characterized in that the rack is provided with a door-shaped frame protruding out of the rack, and the top side of the door-shaped frame is provided with a traction connection suspension bracket for connecting with traction equipment.
According to the pneumatic precision seeding equipment for the strip-shaped clean-area seeding of the corn, a plurality of groups of stubble-cleaning knives are arranged in each plowing bin along the circumferential direction of the stubble-cleaning knife shaft;
each group of stubble-cleaning knives all includes left tulwar and the right tulwar that sets up in opposite directions, and left tulwar and right tulwar are 7 fonts, the stubble-cleaning arbor sets up the handle of a knife and is used for with the stubble-cleaning knife is connected, and the handle of a knife passes through the bolt with one side of stubble-cleaning knife and can dismantle the connection.
According to the pneumatic precision seeding equipment for seeding in the strip-shaped clean area of the corn, the compression roller is annularly provided with a plurality of rings of compression parts, the interval between every two adjacent rings of compression parts is set by a set distance, and each compression part comprises a plurality of intervals and is welded on the boss of the compression roller by the set distance.
As above a clean district seeding pneumatic smart volume seeding of maize banding is equipped, for convenient connection of air suction seeder and dark pine seedling area returning machine, the air suction seeder including be used for with the girder that dark pine seedling area returning machine is connected, girder one end card is gone into the tip of air suction seeder profiling mechanism, and the other end is connected with the frame of dark pine seedling area returning machine.
As above, the end part of the profiling mechanism is provided with a clamping groove, the clamping groove comprises a first clamping groove and a second clamping groove which are arranged from top to bottom, the first clamping groove and the second clamping groove are arranged in opposite directions, and the end part of one side of the main beam is clamped by the first clamping groove and the second clamping groove.
As above a clean district seeding pneumatic smart volume seeding of banded maize is equipped, the air suction seeder still includes and passes through the fan of girder installation, fertile case are installed to the fan both sides, profiling mechanism upper portion is equipped with seed case, seed case sub-unit connection seed metering ware, and the fan passes through the hose to be connected with the seed metering ware, and the profiling mechanism afterbody is equipped with V type press wheel, and the land wheel distributes in the girder both sides, and fertilizer distributor and seed metering ware are connected respectively to the land wheel of both sides.
In a second aspect, the invention also provides a use method of the pneumatic precision sowing equipment for sowing corn belt-shaped clean areas, which comprises the following steps:
fixing the deep scarification seedling belt returning machine with a traction device, and driving the deep scarification seedling belt returning machine and the air suction seeder to move by the traction device;
the deep scarification seedling belt returning machine finishes the cleaning of the belt straws and the stubbles;
the seeder realizes the seeding in the banded clean area, so the straw returning is processed in the place ahead, and the seeding is carried out at the rear.
The cleaning of the straws and the stubbles in the belt is finished by adopting a compound operation technology of 'seedling belt finishing and deep scarification fertilization', so that the sowing in a belt-shaped clean area is realized; soil compaction after the seedling zone is cleared and ground straw covering outside the seedling zone are finished by adopting a mode of 'independent closed plowing bin + heavy roller pressing', so that water evaporation is prevented, and effective soil moisture conservation is realized while the seedbed is efficiently prepared.
The beneficial effects of the invention are as follows:
1) according to the invention, through the structural arrangement of the equipment, the deep scarification seedling belt returning machine finishes the cleaning of straw and stubble in sowing rows, ensures the germination rate of corn, simultaneously, the distance is set at intervals between adjacent plowing bins, so that the straw between the rows is reserved, the soil moisture is favorably reserved, the whole device realizes high-speed and high-quality sowing, the operation efficiency is improved, the labor cost is saved, the fuel consumption is reduced, the equipment can realize the sowing in a corn belt-shaped clean area, the equipment is a mode of a protective farming minimum tillage technology, the later-stage corn growth is favorably realized, the soil is favorably protected, and the ecological environment is optimized.
2) The deep scarification seedling belt returning machine is provided with the press roller, so that the press roller is arranged before sowing, the soil compactness can be increased, a neat seedbed is formed, the subsequent corn sowing is facilitated, the sowing rate is improved, the press roller in the air suction sowing machine is arranged, the secondary press after the sowing is realized, the soil is compacted, the soil moisture content is protected, and the normal growth of the subsequent corn is facilitated.
3) According to the invention, through the arrangement of the plurality of independent semi-closed cultivation bins, when each cultivation bin is contacted with the ground, a closed cavity is formed, the contact between the straw and the side plate and the cover plate can be increased, the straw can be more easily crushed, the straw in the seeding strip can be crushed and returned to the field, a clean area suitable for seeding is formed, the straw in the adjacent non-seeding area is not interfered, the soil compaction after the seeding strip is cleaned and the ground straw covering outside the seeding strip are completed by matching with the arrangement of the press roller, the moisture evaporation is prevented, and the effective moisture preservation is realized while the seedbed is efficiently prepared.
4) The straw cutting machine has the advantages that the 7-shaped bent blades are arranged, so that the stubble cleaning blades can conveniently cut straws in the rotating process along with the stubble cleaning cutter shaft, the paired left bent blades and right bent blades are arranged, the straws are cut more easily, the coverage area is larger, the ideal effect is realized by fewer blades, and the treatment effect of the stubble cleaning blades on the straws is ensured.
5) The invention also provides a use method of the pneumatic precision sowing equipment for sowing the corn belt-shaped clean areas, which adopts the technology of homotopic profiling and air suction precision sowing to finish the precise regulation and control of the sowing depth and the precise sowing of single seeds, and realizes the consistency of the plant spacing and the sowing depth, the uniform and strong seedlings.
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 view of a pneumatic precision sowing assembly for sowing corn belt-like clean areas according to one or more embodiments of the present invention.
Fig. 2 is a schematic structural diagram of a deep scarification seedling belt returning machine of a pneumatic precision sowing equipment for corn belt-shaped clean area sowing according to one or more embodiments of the invention.
Fig. 3 is a schematic structural view of a pneumatic precision sowing device of a corn belt-shaped clean area sowing pneumatic precision sowing device according to one or more embodiments of the invention.
Fig. 4 is a schematic structural view of a left curved blade of a pneumatic precision sowing equipment for belt-shaped clean area sowing of corn according to one or more embodiments of the present invention.
Fig. 5 is a schematic structural view of a right curved blade of a pneumatic precision sowing equipment for belt-shaped clean area sowing of corn according to one or more embodiments of the present invention.
Fig. 6 is a schematic side transmission gear structure of a pneumatic precision sowing equipment for corn belt-shaped clean-area sowing according to one or more embodiments of the present invention.
In the figure: the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the schematic is shown only schematically.
Wherein: 1. the deep loosening seedling belt returning machine comprises a deep loosening seedling belt returning machine 101, a traction connection suspension frame 102, a machine frame 103, a plowing bin 104, a side transmission box 105, a press roller 1051, a boss 1051, a side plate 106, a stubble cleaning cutter shaft 107, a stubble cleaning cutter 108, a stubble cleaning cutter 1081, a left bent cutter 1082, a right bent cutter 109, a deep loosening shovel 110, a cover plate 111, a gear I112, a gear II 113, a gear III, a 2, an air suction seeder 201, a fan 202, a profiling mechanism 203, a seed box 203, a seed sowing device 204, a seed sowing device 205, a furrow opener 206, a press roller 207, a fertilizer box 208, a main beam 209, a land wheel 210, a hydraulic motor and a 3U-shaped bolt.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. 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 invention 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 exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, 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 the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, and for example, the terms "mounted," "connected," and "fixed" may be fixed, detachable, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
As introduced by the background art, the problem that the strip-shaped clean area of the corn cannot be sown mechanically exists in the prior art, and in order to solve the technical problem, the invention provides pneumatic precision sowing equipment and a pneumatic precision sowing method for sowing the strip-shaped clean area of the corn.
In a typical embodiment of the invention, referring to fig. 1, a pneumatic precision seeding device for corn strip-shaped clean area seeding comprises a deep-loosening seedling belt returning machine and a pneumatic seeder, wherein the deep-loosening seedling belt returning machine and the pneumatic seeder are connected and arranged in front of and behind each other, a plurality of pneumatic seeders are arranged, adjacent pneumatic seeders are arranged at set intervals, and the pneumatic seeders correspond to seeding rows, so that the deep-loosening seedling belt returning machine cleans straws and stubbles, the pneumatic seeder performs seeding of multiple rows of corn in the strip-shaped clean area, and the field does not need to be cultivated for multiple times and the soil is protected by one cultivation.
Referring to fig. 2, the subsoiling seedling returning machine comprises a traction connection suspension bracket 101, a frame 102, a plowing bin 103, a side transmission case 104, a press roller 105 and the like, wherein side plates 106 are welded on two sides of the frame, a plurality of plowing bins 103 are uniformly distributed between the two side plates 106, a transverse stubble cleaning cutter shaft 107 penetrates through the plowing bins and is connected with the side plates on the two sides of the frame, a plurality of stubble cleaning cutters 108 are arranged at the superposed part of the stubble cleaning cutter shaft and the plowing bins, a subsoiler 109 mounted on the frame is arranged on one side of the stubble cleaning cutter shaft, the top end of the subsoiler is positioned at the rear side of the stubble cleaning cutter shaft, the lowest part of the subsoiler exceeds the front side of the stubble cleaning cutter shaft and is used for subsoiling, the side transmission case 104 is mounted on the side plates 106 and is respectively connected with a gearbox output shaft and the stubble cleaning cutter shaft, the press roller is arranged at the tail part of the subso, realize suppressing before sowing, multiplicable soil compactness forms neat seedbed, realizes effectively preserving soil moisture.
It is easy to understand that the towing hitch clevis 101 is used for connecting with a towing device such as a tractor, and the towing hitch clevis 101 includes a gate frame connected with a frame 102, the gate frame is arranged above the frame, two lifting lugs (provided with a plurality of bolt holes) are arranged on the top side of the gate frame in an upward protruding manner, and the two lifting lugs are connected with the tractor through bolts.
The storehouse of ploughing is the semi-closed cavity that apron 110 covered, plough the storehouse and include two kind of seed ploughing, two kinds of seed ploughing separate the setting of distance, and two top of ploughing the seed all pass through the frame support, two front sides of ploughing the seed set up the apron, apron 110 is located the front side top of ploughing the seed, plough the storehouse at the during operation, constitute closed cavity with ground contact, can be favorable to the straw to go into the field through the setting of apron, semi-closed cavity multiplicable straw and the contact of curb plate and apron, make the straw fine crushing more easily, in addition, can idle guarantee the state of straw between the adjacent two storehouse of ploughing between two adjacent storehouses between two adjacent storehouse, be idle district between the adjacent storehouse like this, the stubble-cleaning arbor is the optical axis.
In addition, in order to cooperate the action of the deep scarification seedling belt returning machine, the air suction seeding machine is aligned with each plowing bin in the front and back direction, and the quantity is consistent, namely, one set of air suction seeding mechanism is arranged at the back of each plowing bin, so that the straw is returned to the field at the front side of the deep scarification seedling belt returning machine, and the air suction seeding machine performs seeding and fertilizing at the back side.
Each stubble cleaning cutter shaft in each plowing bin is provided with a cutter handle which is used for being connected with a stubble cleaning cutter, the cutter handle is detachably connected with one side of the stubble cleaning cutter through a bolt, referring to fig. 4 and 5, the stubble cleaning cutter is used for decomposing straws and comprises a 7-shaped left bent cutter and a 7-shaped right bent cutter, a plurality of groups of stubble cleaning cutters are arranged in each plowing bin along the annular direction of the stubble cleaning cutter shaft, in some examples, the groups of the stubble cleaning cutters can be 3, the interval between each group of the stubble cleaning cutters is 120 degrees, the left bent cutter 1081 and the right bent cutter 1082 are symmetrically arranged in the same plowing bin, and the left bent cutter and the right bent cutter in each pair of the stubble cleaning cutters are arranged oppositely and have a set distance between the left bent cutter and; the stubble cleaning knife also rotates together with the rotation of the stubble cleaning knife shaft, the longer sides of the left bent knife and the right bent knife are fixed with the stubble cleaning knife shaft, the left bent knife and the right bent knife move from a high position to a low position in the rotation process of the stubble cleaning knife shaft to cut and decompose the straws, and the decomposed straws are sent into the field along with the deep scarification shovel going deep into the field.
The side transmission box 104 and the side plate 106 are hermetically mounted, a cavity is formed between the side transmission box and the side plate, a group of transmission gears are arranged in the cavity, as shown in fig. 6, each transmission gear comprises a gear I111, a gear II 112 and a gear III 113, the rotation directions of the gear I and the gear II are opposite, the rotation directions of the gear I and the gear III are the same, the gear I is connected with an output shaft of a gearbox, the gearbox is connected with a motor or a hydraulic motor 210 or other power devices, and the gear III is fixed on the stubble-cleaning cutter shaft and drives the stubble-cleaning cutter shaft to rotate through the transmission.
Furthermore, in the embodiment of the invention, the width of the press roller is equal to that of the deep scarification seedling belt returning machine, the press roller is a cylindrical heavy roller, a plurality of rings of pressing parts are annularly arranged on the press roller, a set distance is arranged between every two adjacent rings of pressing parts at intervals, each pressing part comprises a plurality of bosses welded to the press roller at intervals, the bosses are in a sawtooth shape, the arrangement of the press roller ensures that the soil after the seedling belts are cleaned is compacted, the bosses of the two adjacent rings of pressing parts can be arranged in a staggered mode, a part of the crushed straw floats on the surface of the soil, the bosses are additionally arranged, and the straw is pressed into the soil when pressed, so that a clean seedling bed is formed, the surface is flat, and the soil moisture conservation is realized.
Referring to fig. 3, the air-suction seeder 2 includes a main beam 208, a blower 201, a profiling mechanism 202, a seed box 203, a seed sowing device 204, a furrow opener 205 and a press wheel 206, the blower is installed on the front end of the main beam of the air-suction seeder, a fertilizer box 207 is installed on two sides of the blower, the profiling mechanism is fixed on the main beam, the upper part of the profiling mechanism is provided with the seed box, the lower part of the seed box is connected with the seed sowing device, the tail part of the profiling mechanism is provided with a V-shaped press wheel, land wheels 209 are distributed on the left side and the right side of the main beam 208, the land wheels on two sides are respectively connected with the fertilizer sowing device and the seed sowing device, the setting of the.
Moreover, in order to guarantee the work of the air suction seeder, after being connected with the tractor, the lowest part of the sub-soiling shovel is lower than the lowest part of the land wheel (shown in figure 1 as a schematic diagram when the returning machine is not connected with the tractor), the central axis of the press wheel is lower than the central axis of the land wheel, and the central axis of the land wheel is lower than the central axis of the press wheel.
The profiling mechanism is a parallelogram structure, and the principle of the profiling mechanism is that under the condition of walking and bumping in the field, the seeding single body can be ensured to vertically float along the ground, so that the seeding depth can be ensured to be consistent after the seeds enter the soil.
It should be noted that one end of the main beam is clamped into the end of the profiling mechanism, and the end of the profiling mechanism is provided with a clamping groove, so that the end of the main beam is clamped into the clamping groove of the profiling mechanism; the other end of girder and the frame of returning field machine in subsoiling seedling area are connected, specifically through U type bolted connection, and in addition, the tip of girder sets up U type bolt 3 with profiling mechanism equally, and U type bolt here can set up a plurality ofly from top to bottom, and U type bolt passes profiling mechanism and fixes, and the tip of girder sets up the end plate, and the end plate is laminated with the frame to carry out fixed connection through U type bolt.
Further, the fan is used for realizing the seeding, and the fan is connected with the seed metering ware, and the fan sets up hydraulic drive spare, and this hydraulic drive spare provides power by tractor hydraulic output. The fan is rotated to generate negative pressure, the negative pressure is generated, the seeding device is connected with the seed sowing device through the hose, the seed sowing device is provided with a molded hole, under the action of the negative pressure, seeds are adsorbed on the molded hole, and the seeds fall and are sown along with the rotation to a non-pressure area. Seed metering and fertilizer discharging all need the axle to drive the fertilizer wheel and the seed metering dish rotates, and this power comes from the land wheel, through calculating drive ratio, realizes that seeding volume and fertilizer discharging volume discharge as required, and the fertilizer pipe connection of fertilizer discharging ware is to subsoiler department, when the soil that loosens deeply, fertilizies.
In addition, it should be noted that the subsoiler, the seed sowing device and the fertilizing box mentioned in the present embodiment are all existing structural members, and are not described in detail.
A use method of pneumatic precision sowing equipment for sowing corn belt-shaped clean areas comprises the following steps:
fixing the deep loosening seedling belt returning machine with a tractor, and driving the deep loosening seedling belt returning machine and the air suction seeder to move by the tractor;
the deep scarification seedling belt returning machine finishes the cleaning of the belt straws and the stubbles;
the seeder realizes the strip-shaped sowing in a clean area, so that sowing rows are carried out in the front, straw is returned to the field, the straw between rows cannot be influenced, and sowing is carried out in the rear of the seeder, so that the multiple plowing of the field is reduced, the plowing times are reduced, and the soil is protected;
the cleaning of the straws and the stubbles in the belt is finished by adopting a compound operation technology of 'seedling belt finishing and deep scarification fertilization', so that the sowing in a belt-shaped clean area is realized; soil compaction after cleaning of the seedling zone and ground straw coverage outside the seedling zone are finished in a mode of independent semi-closed plowing bin and heavy roller pressing, so that water evaporation is prevented, and effective soil moisture conservation is realized while the seedbed is prepared efficiently; the technology of 'orthotopic profiling and air suction precision seeding' is adopted to finish the precise regulation and control of the seeding depth and the precise seeding of single seeds, and the consistency of the plant spacing and the seeding depth, the uniform and strong seedlings are realized.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a clean district seeding pneumatic precision seeding of banded maize is equipped, a serial communication port, including dark pine seedling area returning machine and at least one air-suction seeder, dark pine seedling area returning machine and air-suction seeder are connected, the air-suction seeder is located the rear side of dark pine seedling area returning machine, dark pine seedling area returning machine includes the frame, set up at least one opening storehouse of ploughing down through the frame, the interval has the distance setting of settlement between the storehouse is ploughed to adjacent two, and each is ploughed and sets up the stubble-cleaning sword that is used for handling the straw in the storehouse, it sets up around storehouse and the air-suction seeder to plough.
2. The pneumatic precision sowing equipment for corn belt-shaped clean area sowing according to claim 1, wherein the cultivation bin comprises two cultivation plates which are arranged at a certain distance, the top ends of the two cultivation plates are supported by the frame, the front sides of the two cultivation plates are provided with cover plates, and the two ends of the cover plates are respectively connected with the cultivation plates, so that the cultivation bin forms a semi-closed chamber.
3. The pneumatic precision sowing equipment for sowing corn belt-shaped clean areas is characterized in that the deep-loosening seedling belt returning machine further comprises a stubble cleaning cutter shaft, the stubble cleaning cutter shaft is installed through the stubble cleaning cutter shaft, the transverse stubble cleaning cutter shaft penetrates through the ploughing bin to be connected with side plates on two sides of the frame, a deep loosening shovel installed through the frame is arranged behind the stubble cleaning cutter shaft, the front end of the deep loosening shovel is arranged beyond the stubble cleaning cutter shaft, a press roller is arranged behind the deep loosening shovel through the frame, and the central axis of the press roller is lower than the central axis of the stubble cleaning cutter shaft.
4. The pneumatic precision sowing equipment for belt-shaped corn belt-shaped clean area sowing according to claim 1, wherein the frame is provided with a door-shaped frame protruding out of the frame, and the top side of the door-shaped frame is provided with a traction connection suspension frame for connecting with traction equipment.
5. The pneumatic precision sowing equipment for belt-shaped corn belt-shaped clean area sowing according to claim 3, wherein a plurality of groups of stubble ploughing blades are arranged in each ploughing bin along the circumferential direction of the stubble ploughing blade shaft;
each group of stubble-cleaning knives comprises a left bent knife and a right bent knife which are arranged in opposite directions, the left bent knife and the right bent knife are 7-shaped, and the stubble-cleaning knife shaft is provided with a knife handle which is used for being connected with the stubble-cleaning knives.
6. The pneumatic precision sowing equipment for corn belt-shaped clean area sowing according to claim 3, wherein the press roller is annularly provided with a plurality of rings of pressing parts, the adjacent rings of pressing parts are arranged at a set distance, and each pressing part comprises a plurality of bosses welded on the press roller at a set distance.
7. The pneumatic precision sowing equipment for the belt-shaped clean-area sowing of the corns as claimed in claim 1, wherein the air suction sowing machine comprises a main beam connected with the deep scarification seedling belt returning machine, one end of the main beam is clamped into the end part of the profiling mechanism of the air suction sowing machine, and the other end of the main beam is connected with the frame of the deep scarification seedling belt returning machine.
8. The pneumatic precision sowing equipment for corn belt-shaped clean area sowing according to claim 7, wherein the end of the profiling mechanism is provided with a clamping groove, the clamping groove comprises a first clamping groove and a second clamping groove which are arranged up and down, and the first clamping groove and the second clamping groove are arranged in opposite directions.
9. The pneumatic precision sowing equipment for the belt-shaped corn clean-area sowing according to claim 7, characterized in that the pneumatic seeder further comprises a fan mounted through the main beam, fertilizer boxes are mounted on two sides of the fan, a seed box is arranged on the upper portion of the profiling mechanism, a seed sowing device is connected to the lower portion of the seed box, the fan is connected with the seed sowing device through a hose, a V-shaped press wheel is arranged on the tail portion of the profiling mechanism, land wheels are distributed on two sides of the main beam, and the land wheels on two sides are respectively connected with the fertilizer sowing device and the seed sowing device.
10. The use method of pneumatic precision sowing equipment for sowing corn belt-shaped clean areas according to any one of claims 1 to 9, is characterized by comprising the following steps:
fixing the deep scarification seedling belt returning machine with a traction device, and driving the deep scarification seedling belt returning machine and the air suction seeder to move by the traction device;
the deep scarification seedling belt returning machine finishes the cleaning of the belt straws and the stubbles;
the seeder realizes the seeding in the banded clean area, so the straw returning is processed in the place ahead, and the seeding is carried out at the rear.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122973.4A CN112335378A (en) | 2020-10-20 | 2020-10-20 | Pneumatic precision seeding equipment and method for sowing corn in strip-shaped clean area |
| PCT/CN2021/112027 WO2022083244A1 (en) | 2020-10-20 | 2021-08-11 | Pneumatic-type precision sowing apparatus and method for sowing in corn strip-shaped clean region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122973.4A CN112335378A (en) | 2020-10-20 | 2020-10-20 | Pneumatic precision seeding equipment and method for sowing corn in strip-shaped clean area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112335378A true CN112335378A (en) | 2021-02-09 |
Family
ID=74362319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011122973.4A Pending CN112335378A (en) | 2020-10-20 | 2020-10-20 | Pneumatic precision seeding equipment and method for sowing corn in strip-shaped clean area |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112335378A (en) |
| WO (1) | WO2022083244A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022083244A1 (en) * | 2020-10-20 | 2022-04-28 | 山东省农业机械科学研究院 | Pneumatic-type precision sowing apparatus and method for sowing in corn strip-shaped clean region |
| CN114568227A (en) * | 2022-02-28 | 2022-06-03 | 山东省农业科学院 | Planting method for realizing yield increase of summer corn by close planting |
| CN117016103A (en) * | 2023-09-07 | 2023-11-10 | 山东省农业机械科学研究院 | A precision sowing equipment for corn strip clean area sowing |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114830911B (en) * | 2022-05-19 | 2023-08-01 | 苏州大学 | Intelligent weeding method, device and storage medium |
| CN116349439A (en) * | 2023-02-08 | 2023-06-30 | 本溪盛丰农机制造有限公司 | Single combined multi-row straw collecting deep scarification strip cultivator |
| CN116530266B (en) * | 2023-05-25 | 2025-06-10 | 海南大学 | Pneumatic pinhole wheel type wheat plot single seed precision sowing mechanism |
| CN116784063B (en) * | 2023-08-21 | 2023-11-07 | 杭锦后旗长盛机械有限公司 | Self-propelled air suction precision seeding device for water filling film |
| CN120380902A (en) * | 2025-05-07 | 2025-07-29 | 西北农林科技大学 | A wheat intelligent no-tillage sowing unit |
| CN120419347B (en) * | 2025-06-13 | 2025-09-30 | 中国科学院地理科学与资源研究所 | Intelligent soil turning equipment for saline-alkali soil cultivation |
| CN120476726B (en) * | 2025-07-17 | 2025-09-26 | 吉林省农业科学院(中国农业科技东北创新中心) | Lodging-resistant straw returning equipment for corn planting |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0149325A1 (en) * | 1983-12-30 | 1985-07-24 | Ferris James Whidborne | Stubble disposal apparatus |
| US20100006309A1 (en) * | 2007-03-23 | 2010-01-14 | Krause Corporation | Chain Reel for Tillage Implement and Method |
| CN102523766A (en) * | 2011-12-14 | 2012-07-04 | 河南科技大学 | In situ stubble breaking mechanism for breaking and cutting stubbles of crops |
| CN203675560U (en) * | 2014-01-16 | 2014-07-02 | 山东省农业机械科学研究院 | Corn planter with strip straw mulching rotary tillage and fertilization functions |
| CN205726927U (en) * | 2016-06-25 | 2016-11-30 | 吉林省农业科学院 | A kind of straw counters-field set |
| CN206851298U (en) * | 2017-04-27 | 2018-01-09 | 黄毅青 | A kind of maize seedling band returning straw into field and rotary cultivation combined seed and fertilizer drill |
| CN207382821U (en) * | 2017-11-03 | 2018-05-22 | 贵溪市樟坪畲族乡华芳茶叶种植专业合作社 | A kind of novel and multifunctional greenhouse ploughing machine |
| US20180139885A1 (en) * | 2014-02-05 | 2018-05-24 | Dawn Equipment Company | Agricultural System For Field Preparation |
| CN109247089A (en) * | 2018-11-26 | 2019-01-22 | 山东国丰机械有限公司 | One seedling band arranges multifunctional corn seeder |
| CN109565970A (en) * | 2018-11-26 | 2019-04-05 | 惠安铁邦五金制品有限公司 | It is a kind of to utilize the real deep-ploughing rotary cultivator in the anti-base of scratch layers |
| CN109644794A (en) * | 2019-02-01 | 2019-04-19 | 山东省农业科学院作物研究所 | A kind of wheat cultivation method for cultivating strong seedlings under deep ploughing conditions |
| CN209845676U (en) * | 2019-04-06 | 2019-12-27 | 吉林省农业科学院 | A seedling machine for returning corn seedlings with straw to the field for rotary tillage and fertilization |
| CN210491600U (en) * | 2019-08-21 | 2020-05-12 | 南京农业大学 | Seeder capable of rotary tillage, crushing rod pressing, reverse rotation, ditching and fertilizing |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205657980U (en) * | 2016-06-08 | 2016-10-26 | 王允泉 | Minimal till seedling area presowing treatment machine |
| CN108718569B (en) * | 2018-08-01 | 2023-12-19 | 农业农村部南京农业机械化研究所 | A straw crushing inter-row mulching no-till seeder |
| US11350554B2 (en) * | 2018-09-13 | 2022-06-07 | Deere & Company | Agricultural planter including adjustable row cleaners |
| CN210432361U (en) * | 2019-08-17 | 2020-05-01 | 山东大华机械有限公司 | Deep-loosening rotary-tillage stubble cleaner |
| CN210808145U (en) * | 2019-08-29 | 2020-06-23 | 内蒙古长明机械股份有限公司 | Strip stubble-cleaning deep scarification fertilization no-tillage seeder |
| CN112335378A (en) * | 2020-10-20 | 2021-02-09 | 山东省农业机械科学研究院 | Pneumatic precision seeding equipment and method for sowing corn in strip-shaped clean area |
| CN214257130U (en) * | 2020-10-20 | 2021-09-24 | 山东省农业机械科学研究院 | Pneumatic precision seeder for corn strip clean area |
-
2020
- 2020-10-20 CN CN202011122973.4A patent/CN112335378A/en active Pending
-
2021
- 2021-08-11 WO PCT/CN2021/112027 patent/WO2022083244A1/en not_active Ceased
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0149325A1 (en) * | 1983-12-30 | 1985-07-24 | Ferris James Whidborne | Stubble disposal apparatus |
| US20100006309A1 (en) * | 2007-03-23 | 2010-01-14 | Krause Corporation | Chain Reel for Tillage Implement and Method |
| CN102523766A (en) * | 2011-12-14 | 2012-07-04 | 河南科技大学 | In situ stubble breaking mechanism for breaking and cutting stubbles of crops |
| CN203675560U (en) * | 2014-01-16 | 2014-07-02 | 山东省农业机械科学研究院 | Corn planter with strip straw mulching rotary tillage and fertilization functions |
| US20180139885A1 (en) * | 2014-02-05 | 2018-05-24 | Dawn Equipment Company | Agricultural System For Field Preparation |
| CN205726927U (en) * | 2016-06-25 | 2016-11-30 | 吉林省农业科学院 | A kind of straw counters-field set |
| CN206851298U (en) * | 2017-04-27 | 2018-01-09 | 黄毅青 | A kind of maize seedling band returning straw into field and rotary cultivation combined seed and fertilizer drill |
| CN207382821U (en) * | 2017-11-03 | 2018-05-22 | 贵溪市樟坪畲族乡华芳茶叶种植专业合作社 | A kind of novel and multifunctional greenhouse ploughing machine |
| CN109247089A (en) * | 2018-11-26 | 2019-01-22 | 山东国丰机械有限公司 | One seedling band arranges multifunctional corn seeder |
| CN109565970A (en) * | 2018-11-26 | 2019-04-05 | 惠安铁邦五金制品有限公司 | It is a kind of to utilize the real deep-ploughing rotary cultivator in the anti-base of scratch layers |
| CN109644794A (en) * | 2019-02-01 | 2019-04-19 | 山东省农业科学院作物研究所 | A kind of wheat cultivation method for cultivating strong seedlings under deep ploughing conditions |
| CN209845676U (en) * | 2019-04-06 | 2019-12-27 | 吉林省农业科学院 | A seedling machine for returning corn seedlings with straw to the field for rotary tillage and fertilization |
| CN210491600U (en) * | 2019-08-21 | 2020-05-12 | 南京农业大学 | Seeder capable of rotary tillage, crushing rod pressing, reverse rotation, ditching and fertilizing |
Non-Patent Citations (2)
| Title |
|---|
| 农业科普读物丛书: "《常用小型农业机械的使用与维修》", 31 May 2017 * |
| 湖北省农业机械化技术推广总站: "《农业机械实用手册》", 31 December 2018, 中国农业大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022083244A1 (en) * | 2020-10-20 | 2022-04-28 | 山东省农业机械科学研究院 | Pneumatic-type precision sowing apparatus and method for sowing in corn strip-shaped clean region |
| CN114568227A (en) * | 2022-02-28 | 2022-06-03 | 山东省农业科学院 | Planting method for realizing yield increase of summer corn by close planting |
| CN117016103A (en) * | 2023-09-07 | 2023-11-10 | 山东省农业机械科学研究院 | A precision sowing equipment for corn strip clean area sowing |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022083244A1 (en) | 2022-04-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112335378A (en) | Pneumatic precision seeding equipment and method for sowing corn in strip-shaped clean area | |
| US4624197A (en) | Minimum tillage toolbar and method for using same | |
| CN205755348U (en) | A kind of wheat stubble finger-clipped Semen Maydis subsoiling fertilising no-tillage seeding machine | |
| CN103444317B (en) | One kind is used for coarse cereal seeding machine for no-tillage seeding | |
| CN112470571B (en) | A multifunctional driven sugarcane cultivator | |
| CN107580810A (en) | A kind of active disc blade stubble breaking no-tillage seeding machine | |
| CN106105444A (en) | A kind of rotary tillage fertilizer | |
| CN203423944U (en) | No-tillage semi-precision seeder | |
| CN106171083A (en) | A kind of rotary tillage fertilizer | |
| CN110506462A (en) | A kind of novel corn triangle final singling no-tillage fertilizing and seeding machine | |
| CN211509750U (en) | Soil preparation seeding all-in-one | |
| CN112243622A (en) | Beet stick ploughing and fertilizing machine | |
| US5303662A (en) | Minimum tillage tool bar and method for using same | |
| CN209914425U (en) | Wheat stubble summer peanut seeder | |
| CN201088005Y (en) | Grain no-tillage planter saw disk furrow opener with chaff cutter knife | |
| CN214257130U (en) | Pneumatic precision seeder for corn strip clean area | |
| CN215121855U (en) | Alfalfa grass field soil breaking, root cutting and fertilizing all-in-one machine | |
| CN213847507U (en) | Integrated machine for plowing, deeply fertilizing beet strips | |
| CN210470201U (en) | A belt-shaped stubble cutting device for a combined planter | |
| CN102511211B (en) | Wheat flat planting no-tillage seed and fertilizer drill applicable to irrigated areas of Yellow river | |
| CN220191377U (en) | Wheat double-layer rotary tillage equal-depth soil covering layered compacting ridgeless combined seed sowing machine | |
| CN216600770U (en) | Air-suction type precision corn no-tillage planter | |
| CN212812639U (en) | Prevent blockking up rotary tillage seeder | |
| CN215269387U (en) | One-ditch multi-row single-grain precision on-demand machine | |
| CN214708593U (en) | Belt-shaped stubble cleaning, soil breaking, deep loosening and layered fertilizing device for no-tillage seeder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210209 |
|
| RJ01 | Rejection of invention patent application after publication |