CN101647338B - Thinning-free accurate seeder - Google Patents

Thinning-free accurate seeder Download PDF

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Publication number
CN101647338B
CN101647338B CN2009100755000A CN200910075500A CN101647338B CN 101647338 B CN101647338 B CN 101647338B CN 2009100755000 A CN2009100755000 A CN 2009100755000A CN 200910075500 A CN200910075500 A CN 200910075500A CN 101647338 B CN101647338 B CN 101647338B
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China
Prior art keywords
seed
frame
soil
pressing wheel
fertilizer
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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.)
Expired - Fee Related
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CN2009100755000A
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Chinese (zh)
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CN101647338A (en
Inventor
张喜文
张志勇
张文兴
李萍
孟龙
张志杰
芦明
张国伟
张炳林
张维芳
张艾英
杨斌
申海斌
Original Assignee
张文兴
张志勇
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Priority to CN2009100755000A priority Critical patent/CN101647338B/en
Publication of CN101647338A publication Critical patent/CN101647338A/en
Application granted granted Critical
Publication of CN101647338B publication Critical patent/CN101647338B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to a seeder, in particular to a thinning-free accurate seeder applicable to cereal seeding, solving the technical problem of seeds germination percentage influenced by simple designs of the existing seeders during quantitative seeding. The thinning-free accurate seeder comprises a frame. A depth limiting wheel is arranged at the front of the frame. A seed pressing wheel is arranged at the back of the frame. The middle part of the frame is provided with a material box. A soil covering device is arranged behind the seed pressing wheel. The material box is divided into a seed loading box and a fertilizer loading box. The lower part of the material box is provided with a seed and fertilizer discharging device. The seed and fertilizer discharging device is linked with a shaft of the seed pressing wheel by a transmission. The seed and fertilizer discharging device is respectively communicated with the seed loading box and the fertilizer loading box. The lower part of the frame is provided with a ditching soil-expanding device. The front side of the ditching soil-expanding device is provided with a pointed shovel which is arranged in a downwardly-oblique direction. Two sides of the ditching soil-expanding device are provided with soil blocking plates. Wet soil forced inlets are arranged at the back parts of the soil blocking plates. The thinning-free accurate seeder realizes high germination percentage and high soil water utilization rate. In addition, no seeding ditches are formed after the seeding and soil hardening does not easily take place after raining, therefore, the risk of seedling shortage caused by raining is effectively reduced.

Description

Thinning-free accurate seeder
Technical field
The present invention relates to a kind of sower, be specially a kind of thinning-free accurate seeder that is applicable to the cereals sowing.
Background technology
In the proportion of crop planting processes such as present millet, sowing has realized mechanized, and the kind of sower is also very many.But the mechanism design of sowing of traditional sower is all fairly simple, and its task is seed to be drained in the soil get final product.Amount for seed really can't accurately be controlled, to such an extent as to the longer back of crop seedling quantity is bigger, must carries out thinning and handle.Thinning at present still needs manual operations, wastes time and energy, labour intensity is big, sometimes because of the untimely and waste seedling underproduction of thinning.
The thinning difficulty is the conspicuous contradiction of restriction millet industrialized development.Not thinning was peasant's dream at all times after millet was broadcast, and also became the important topic on the agricultural already.Quantitatively control the problem of sowing in order to solve seed, the many R﹠D institutions in the whole nation also carried out relevant primary study, developed the multiple sower that can accurately control kind of amount.Its core is to select clear kind of device of high-efficiency high-accuracy for use, for example the disclosed clear kind of device of ZL200820076642X.
But after the millet precision drilling, a kind ofly in theory can grow a seedling, but since soil types and whole ground quality vary be difficult to control, weather rainfall situation is difficult to prediction especially, adds that millet individual plant seedling pushes up factors such as native ability is weak, soil damage by disease and insect, can not guarantee that full stand is unearthed.So also will lean on the multicast kind to guarantee the full stand rate.The more important thing is that existing sower has just solved seed and sent into problem in the soil, and to the germination environment of seed without any processing.The contradiction of saving from damage between seedling and the not thinning be difficult to be coordinated, and causes in the past that all millet Precision Seeding machines all can't obtain promoting aborning, and other achievements in research are also all undesirable.
Summary of the invention
The present invention provides a kind of thinning-free accurate seeder for the technical problem that influences percentage of seedgermination that solves existing sower and cause occurring owing to simplicity of design in quantitative sowing process.
The present invention is realized by following technical scheme, a kind of thinning-free accurate seeder, comprise frame, be provided with gauge wheel before the frame, be provided with seed pressing wheel after the frame, the middle part is provided with hopper, behind seed pressing wheel, be provided with covering device, be divided into dress kind of case in the hopper and adorn fertile case, be provided with seed and fertilizer-expelling unit in the hopper bottom, seed and fertilizer-expelling unit is by the axle interlock of speed changer and seed pressing wheel, seed and fertilizer-expelling unit is planted case and is adorned fertile case perforation with dress respectively, is provided with trench digging in frame lower and expands earthenware, and the expansion earthenware front side of ditching is the pointed shovel of oblique below, both sides are breast boards, and the rear portion of breast boards also is provided with wet soil and forces inlet.
Plough of the present invention is opened soil layer wet soil is exposed as planting bed with very little penetrating angle trench digging; The effect of breast boards is to avoid dry ground to flow into; Seed and fertilizer-expelling unit enters kind of a bed with seed from a side, and enters seed manure in a side; Seed pressing wheel is pressed in the comparatively solid kind bed soil with being about to seed and fertilizer, makes the abundant and kind bed soil of seed, allows every seed all combine closely with kind of a bed, obtains moisture and nutriment that kind of bed is supplied with to greatest extent; Also be provided with wet soil pressure inlet on the breast boards at rear portion, seed pressing wheel position, after seed pressing wheel is finished seed kind bed pile things on, promptly force inlet to enter comparatively moistening soil and seed and kind bed are covered, improve the soil moisture conservation performance of seed and kind bed by wet soil; The then covering device at rear portion, seed pressing wheel position surface dust return that plough is left, rake mill at last forms the structure of pine of the solid and upper strata earthing of kind of bed.
Compared with prior art, trench digging of the present invention expands the earthenware front end with very little penetrating angle trench digging, and controllably surface drying soil does not flow in kind of the ditch, not disturbance soil moisture.At first seed is pressed in the comparatively solid kind bed after broadcasting seed, coated with damp soil comparatively seed kind bed is covered again, cover back at last and show soil and harrowed mill by seed pressing wheel.This plough has reduced the disturbance to kind of bed, has kept planting the reasonable soil structure and the soil moisture content of bed; The native wing of holding up of plough both sides has guaranteed that face of land dry ground does not flow into kind of a ditch, and after planting seed pressing wheel directly is pressed into comparatively solid kind bed to seed, and seed kind bed is realized directly suppression.Played suppression preferably and proposed the moisture in the soil effect, the moisture that helps in the deep soil is supplied with seed, has improved emergence rate; Damp soil is overlying on the surface of the seed by holding up wet soil import on the native wing to force to cover back to show below the soil comparatively to press kind of back, cover back table soil by covering device at last, and by at random small-sized rake grinding machine rake mill, provide a plantation plane that does not have furrow, avoided in original " V " type furrow easily ponding to form surperficial duricrust and alluvial and do not emerge or seedling is buried on the silt ridge.Thereby build a millet seed growth suitable environment.Guaranteed emergence rate effectively, had keeping crop seedling from drought and easily grow up to the advantage in strong sprout.
Compared with prior art, the present invention solves the difficult problem that seed is broadcast the back negligence of management, not thinning of millet is become a reality, mainly solve in unpredictable weather rainfall, be difficult to control under soil types and the whole ground quality situation, ingenious design and each parts by the Precision Seeding machine rationally cooperate, improve the adaptability of Precision Seeding machine, make agricultural machinery farthest adapt to the requirement of agronomy, finally realize high emergence rate, soil moisture high usage by this machine.And do not broadcast ditch by not forming after broadcasting, should not form soil compaction after the rainfall, effectively reduce because of rainfall and cause the risk of being short of seedling.This machine has realized that also seed and fertilizer quantitatively sows the synchronous same period, this machine has been realized also that seed and fertilizer are quantitatively executed synchronously simultaneously and has been broadcast, allow the fibrous root of seed in very short time, just can obtain the nutrition of seed manure,, also do not improve quality and the output of millet and created condition for growth of seedling has been created condition.By the popularization of agricultural machinery, a machine is accomplished the synchronous applications of high-quality, highly efficient and productive corresponding cultivation techniques simultaneously.
Description of drawings
Fig. 1 is one of structural representation of the present invention
Fig. 2 is two of a structural representation of the present invention
Fig. 3 is a vertical view of the present invention
Fig. 4 is the A-A profile of Fig. 3
Fig. 5 is a speed changer interior schematic diagram
Fig. 6 is the vertical view of speed changer
Fig. 7 is the C-C profile of Fig. 6
Fig. 8 is the B-B profile of Fig. 6
Among the figure: 1-arm-rest frame, 2-speed changer, 3-bayonet lock, 4-seed pressing wheel, 5-regulating wheel, 6-adjustable shelf, 7-gauge wheel, the pointed shovel of 8-, 9-breast boards, 10-bevel gear group, 11-wet soil force inlet, 12-trailing bar, 13-target mill device, 14-to heighten wheel, 15-frame, 16-hopper, 17-clean-up scraper, and 18-seed and fertilizer-expelling unit, 19-plant silk, 20-base, 21-fluted disc, 22-central shaft, the little fixed block of 23-, 24-reinforcement axle, 25-gear, 26-loam cake, 27-holder, 28-gear lever, 29-hole clipping clearly
Embodiment
As Fig. 1,2 illustrate, a kind of thinning-free accurate seeder, comprise frame 15, be provided with gauge wheel 7 before the frame 15, be provided with seed pressing wheel 4 after the frame 15, the middle part is provided with hopper 16, behind seed pressing wheel 4, be provided with covering device, be divided into dress kind of case in the hopper 16 and adorn fertile case, be provided with seed and fertilizer-expelling unit 18 in hopper 16 bottoms, seed and fertilizer-expelling unit 18 is by the axle interlock of speed changer 2 and seed pressing wheel 4, seed and fertilizer-expelling unit 18 is planted case and is adorned fertile case perforation with dress respectively, being provided with trench digging in frame 15 bottoms and expanding earthenware, and the expansion earthenware front side of ditching is the pointed shovel 8 of oblique below, both sides are breast boards 9, and the rear portion of breast boards 9 also is provided with wet soil and forces inlet 11.The mounting structure of seed and fertilizer-expelling unit 18 in hopper 16 can be with reference to ZL200820076642X.
Frame 15 is by after-frame and 6 hinged compositions of adjustable shelf, and adjustable shelf 6 is provided with regulating wheel 5, is provided with gauge wheel 7 in the adjustable shelf 6.
Seed pressing wheel 4 rear sides in frame 15 are provided with clean-up scraper 17, and clean-up scraper 17 is scraped the clay on the seed pressing wheel 4 totally constantly, and is even with the firming that guarantees seed.
Covering device comprises that 13, two trailing bars 12 of two trailing bars 12 and target mill device are splayed configuration side by side, and opening is towards seed pressing wheel 4, and target mill device 13 is positioned at trailing bar 12 rear sides.The surface dust that this structure helps being pushed aside is backfilling on the seed, and even by the 13 smooth coverings of target mill device.
As Fig. 5,6,7,8 signals, described speed changer 2 structures comprise base 20, base 20 is provided with fluted disc 21, the central shaft 22 of fluted disc 21 is connected with seed and fertilizer-expelling unit 18 concentrics, also be provided with holder 27 on base 20, be equipped with gear lever 28 in the holder 27, gear lever 28 is provided with and fluted disc 21 meshed gears 25, the position of passing holder 20 on the gear lever 28 is provided with hole clipping 29, and holder is provided with corresponding bayonet lock 3.The axle of gear lever 28 and seed pressing wheel 4 is connected transmission by bevel gear group 10.By the position of bayonet lock 3 control gear levers 28, thus the position of engagement of control gear 25 and fluted disc 21, thus reach the purpose of controlling fluted disc 21 rotating speeds.
Also be provided with little fixed block 23 on base 20, gear lever 28 front ends are connected with strengthens axle 24, strengthens axle 24 and is through in the little fixed block 23.
Satisfy the variable density of chimes by the coupling of adjusting speed changer, determine the sowing spacing in the rows for the requirement of clay fertilizer according to crop.This speed changer is realized no chain drive by sower.

Claims (5)

1. thinning-free accurate seeder, comprise frame (15), the preceding gauge wheel (7) that is provided with of frame (15), be provided with seed pressing wheel (4) after the frame (15), the middle part is provided with hopper (16), behind seed pressing wheel (4), be provided with covering device, be divided into dress kind of case in the hopper (16) and adorn fertile case, be provided with seed and fertilizer-expelling unit (18) in hopper (16) bottom, seed and fertilizer-expelling unit (18) is by the axle interlock of speed changer (2) and seed pressing wheel (4), seed and fertilizer-expelling unit (18) is planted case and is adorned fertile case with dress respectively and connects, be provided with trench digging in frame (15) bottom and expand earthenware, it is the pointed shovel (8) of oblique below that trench digging expands the earthenware front side, both sides are breast boards (9), the rear portion of breast boards (9) also is provided with wet soil and forces inlet (11), it is characterized in that: described speed changer (2) structure comprises base (20), base (20) is provided with fluted disc (21), the central shaft (22) of fluted disc (21) is connected with seed and fertilizer-expelling unit (18) concentric, on base (20), also be provided with holder (27), be equipped with gear lever (28) in the holder (27), gear lever (28) is provided with and fluted disc (21) meshed gears (25), the position of passing holder (27) on the gear lever (28) is provided with hole clipping (29), holder is provided with corresponding bayonet lock (3), and the axle of gear lever (28) and seed pressing wheel (4) is connected transmission by bevel gear group (10).
2. according to right 1 described thinning-free accurate seeder, it is characterized in that: frame (15) is by after-frame and adjustable shelf (6) hinged composition, and adjustable shelf (6) is provided with regulating wheel (5), is provided with gauge wheel (7) in the adjustable shelf (6).
3. according to right 1 described thinning-free accurate seeder, it is characterized in that: seed pressing wheel (4) rear side in frame (15) is provided with clean-up scraper (17).
4. according to right 1 described thinning-free accurate seeder, it is characterized in that: covering device comprises two trailing bars (12) and target mill device (13), two trailing bars (12) are splayed configuration side by side, and opening is towards seed pressing wheel (4), and target mill device (13) is positioned at trailing bar (12) rear side.
5. according to right 1 described thinning-free accurate seeder, it is characterized in that: also be provided with little fixed block (23) on base (20), gear lever (28) front end is connected with strengthens axle (24), strengthens axle (24) and is through in the little fixed block (23).
CN2009100755000A 2009-09-18 2009-09-18 Thinning-free accurate seeder Expired - Fee Related CN101647338B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100755000A CN101647338B (en) 2009-09-18 2009-09-18 Thinning-free accurate seeder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100755000A CN101647338B (en) 2009-09-18 2009-09-18 Thinning-free accurate seeder

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CN101647338A CN101647338A (en) 2010-02-17
CN101647338B true CN101647338B (en) 2011-05-25

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103947338A (en) * 2014-04-27 2014-07-30 苏州创维晟自动化科技有限公司 Seeder provided with seed controller and soil covering plough
MX2017016394A (en) * 2015-06-15 2019-04-29 Prec Planting Llc Systems, methods, and apparatus for agricultural liquid application.
CN109089482B (en) * 2018-08-25 2022-01-07 滨州市国盛农业科技有限公司 Double-row single-grain direct-insertion type corn seeding device
CN111819963A (en) * 2020-08-19 2020-10-27 山西农业大学 Buckwheat seeder

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Granted publication date: 20110525

Termination date: 20120918