CN202979641U - Small seed grain multi-functional precise-amount seeding device - Google Patents
Small seed grain multi-functional precise-amount seeding device Download PDFInfo
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- CN202979641U CN202979641U CN2012207051852U CN201220705185U CN202979641U CN 202979641 U CN202979641 U CN 202979641U CN 2012207051852 U CN2012207051852 U CN 2012207051852U CN 201220705185 U CN201220705185 U CN 201220705185U CN 202979641 U CN202979641 U CN 202979641U
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Abstract
The utility model relates to a small seed grain multi-functional precise-amount seeding device which comprises a box-type rack, a seed protecting box and a seeding shaft, wherein the seed protecting box is positioned at the upper part inside the box-type rack; the row-seeding shaft is positioned at the lower part inside the box-type rack; the spline end of the seeding shaft stretches outside seeding shaft holes; the recess pore end of the seeding shaft is positioned below the seed protecting box; more than six rows of seed grain blind holes are uniformly distributed in the outer cylindrical surface of the recess pore end of the seeding shaft; more than two seed grain blind holes in different sizes are formed in each row of the seed grain blind holes; the seed grain blind holes are waist-shaped holes; the seed protecting box takes the shape of a four-edged hopper; a row-seedling groove is formed in the middle of the bottom of the seed protecting box; and the length direction of the row-seeding groove corresponds to the axial direction of the seeding shaft. The waist-shaped holes of the seeding shaft are applicable to seedling of small seed grains of different shapes such as sphere, long shape and irregular ellipse; the seed protecting plates of the seed protecting box and the gradients of the seed protecting holes are improved, namely, through tests, the gradients of the inclined surfaces of the seed protecting plates on two sides are 33 degrees; and the seed protecting plates are iron plates of which the surface is sprayed with paint, so that the phenomenon that the seed grains are detained in the row-seeder is greatly reduced, and the seed feeding effect is good.
Description
Technical field
The utility model belongs to the agricultural equipment technical field, is specifically related to be applicable to the multiple fine grain crop seeder tools such as rape, vegetable seed, sesame, millet, grass-seed.
Background technology
The cultivated area of China fine grain crop is very wide.The sowing link mostly adopts mechanization defective ejaculation amount seeding technique at present.Because the physical difference of fine grain cereal is remarkable, shape, size, surface flatness, flow behavior etc. are very different, and realize that the sowing of mechanization defective ejaculation amount acquires a certain degree of difficulty.A hundred flowers blossom with application in the research and development of fine grain precision seeder in recent years, but exist on the whole many defectives.Be mainly reflected in: 1. in seeding process, a seeding unit can not be broadcast multiple different fine grain kind, makes sower long standby time, and economic benefit is low.2. because the fine grain physical behavior is different, cause the leakage sowing rate of seeding unit and replay rate all more than 5%, and the seed breakage is comparatively serious.3. due to the difference of the geographical physical features environment in various places, the seeding quantity of seeding unit is difficult to control, and causes the seed waste serious.
Summary of the invention
During for above fine grain sower operation, inapplicable due to seeding unit, cause occurring that versatility is poor, the problem such as seed leakage sowing rate, breakage rate are higher, the utility model is optimized improvement to existing mechanical type nest ocular form hole seeding unit, and a kind of fine grain Multifunctional precision seeding apparatus is provided.
Concrete improvement technical scheme is as follows: the fine grain Multifunctional precision seeding apparatus comprises cabinet rack 1, protects kind of box 2, feed shaft 3 and scrape kind of a hairbrush, and cabinet rack 1 top offers seed inlet, and the bottom offers out kind of a mouth, and a side offers the seeding axis hole; Protect kind of box 2 and be positioned at cabinet rack 1 internal upper part, and corresponding with seed inlet; One end of feed shaft 3 is splined end, and the other end is nest eye end, and is positioned at cabinet rack 1 bottom, and its splined end reaches outside the seeding axis hole, and its nest eye end is positioned at and protects kind of box 2 belows; Improvement is:
Uniform the six above seed blind holes of row on the external cylindrical surface of described feed shaft 3 nest eye ends, every row is provided with the seed blind holes of the different sizes more than two, and described seed blind hole is waist-shaped hole;
Describedly protect kind of box 2 to be four ribs bucket-shaped, offer seed distributing groove 23 in the middle of the bottom, and the length direction of seed distributing groove 23 is axial corresponding with feed shaft 3, seed distributing groove 23 both sides are connecting respectively seeds protecting plate 21, the seeds protecting plate 21 of both sides is skewback, and be the two side wall panels of protecting kind of box 2, the another two side wall panels of protecting kind of box 2 is upright plate.
Uniform eight row's seed blind holes on the external cylindrical surface of described feed shaft 3 nest eye ends, every row is provided with the seed blind holes of three different sizes, and three seed blind holes are respectively cereal seed type hole 31, rape seed type hole 32 and vegetable seed grass-seed type hole 33.
Seeds protecting plate 21 with seed distributing groove 23 junctions, both sides raises up respectively, forms the cambered surface of epirelief, and the surface slope of both sides seeds protecting plate 21 is 33 °, and material is the iron plate of finish coatings.
The utility model is compared with prior art products and is had advantages of following aspect:
(1) because the fine grain crop species is various, the physical behavior significant difference, shape, size, surface flatness, flow behaviors etc. are very different, at present traditional mechanical type nest ocular form seeding type hole design can not well solve same seeding unit to the seeding of different cultivars seed, this problem is passed through rape, sesame, vegetable seed, millet, the fine grain kind physical mechanical characteristics such as grass-seed, dimensional characteristic, mechanical characteristic, as seed properties, size, thousand kernel weight, mobility, frictional property, compression strength, shearing strength, kinetic characteristic, the researchs such as air dynamic behaviour, design ellipticity waist-shaped hole, be applicable to ball-type, elongated, the difform fine grain crop such as irregular ellipse, after tried improvement, indices reaches re-set target,
(2) be different from measure-alike " row's three row " nest eye wheel type hole of traditional mechanical seed sowing device type hole setting, can only carry out seeding to a kind of fine grain crop, this problem is put forth effort on the seeding operation that seeding unit can be realized many kinds fine grain crop, the waist-shaped hole of three kinds of different size sizes of design on feed shaft, the seeding operation of the fine grain crop that this appropriate design differs in proterties;
(3) kind of the box that protects of traditional seeding unit improved, sower seed easily occurs and is stranded in the interior phenomenon of seeding unit when carrying out the field sowing operation, fills kind of a poor effect, causes the seed leakage sowing rate higher.This problem is by the functional structure of research and analysis seeding unit, to the remodeling that kind of box carries out seeds protecting plate material and the feed outlet gradient that protects of seeding unit.After overtesting, greatly reduce seed and be stranded in phenomenon in seeding unit, fill kind respond well.
Description of drawings
Fig. 1 is seeding unit mechanism general assembly drawing.
Fig. 2 is seeding unit mechanism side view.
Fig. 3 is seeding unit mechanism vertical view.
Fig. 4 is seeding unit mechanism cutaway view.
Fig. 5 is for protecting kind of a box structural representation.
Fig. 6 is for protecting kind of a box section of structure.
Fig. 7 is the feed shaft structural representation.
Fig. 8 is feed shaft structure cutaway view.
Sequence number in upper figure: cabinet rack 1, protect kind of box 2, feed shaft 3, seeds protecting plate 21, contain kind of box chamber 22, seed distributing groove 23, cereal seed type hole 31, rape seed type hole 32, vegetable seed grass-seed type hole 33.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described by embodiment.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the fine grain Multifunctional precision seeding apparatus comprises cabinet rack 1, protects kind of box 2, feed shaft 3 and scrape kind of a hairbrush, and cabinet rack 1 top offers seed inlet, and the bottom offers out kind of a mouth, and a side offers the seeding axis hole; Protect kind of box 2 and be positioned at cabinet rack 1 internal upper part, and corresponding with charging aperture; One end of feed shaft 3 is splined end, and the other end is nest eye end, and is positioned at cabinet rack 1 bottom, and its splined end extends outside the seeding axis hole, and its nest eye end is positioned at and protects kind of box 2 belows.
Referring to Fig. 5 and Fig. 6, protecting kind of box 2, to be four ribs bucket-shaped, offer seed distributing groove 23 in the middle of the bottom, and the length direction of seed distributing groove 23 is axial corresponding with feed shaft 3, seed distributing groove 23 both sides are connecting respectively seeds protecting plate 21, and the surface slope of both sides seeds protecting plate 21 is 33 °, and material is the iron plate of finish coatings, and be the two side wall panels of protecting kind of box 2, the another two side wall panels of protecting kind of box 2 is upright plate; Raise up respectively with the seeds protecting plate 21 of seed distributing groove 23 junctions, both sides, form the cambered surface of epirelief.
Referring to Fig. 7 and Fig. 8, uniform eight row's seed blind holes on the external cylindrical surface of feed shaft 3 nest eye ends, every row is provided with the seed blind holes of three different sizes, and three seed blind holes are respectively cereal seed type hole 31, rape seed type hole 32 and vegetable seed grass-seed type hole 33.
Its operating principle is that seed is fallen in seeding unit by seeding box, be subject to the effect of gravity and frictional force, concentrate near feed shaft, because the utility model is changed system into the three different waist-shaped holes of row's size with feed shaft nest ocular form hole, the large, medium and small different eyelets on feed shaft can carry out essence to large, medium and small grain seed and measure seeding.When the nest hole of having filled when seed wheel forwarded the below to, seed was released on the top of shirking that is engaged on internally the feed outlet bottom.The amount of broadcasting is regulated by plate, and plate is eyelet, ommatidium hole direction reeve from large eyelet one side direction of seeds discharging box, makes small-sized seed can not enter middle eyelet and large eyelet, and medium-sized seed can not enter large eyelet.Greatly, medium-sized seed is because particle diameter can not enter little eyelet greater than the small-bore.For anti-plate moves, with it with compression set position, screw top.Kind of a hairbrush is scraped on seeds discharging box top, and during seeding, feed shaft is driven by transmission mechanism, and seed wheel is being contained kind of box chamber 22 interior rotations, and rotation direction is opposite with the seed gravity direction, makes seed gravity not produce pressure to scraping kind of hairbrush, reduces the seed breakage rate.The every half-twist of feed shaft has a type hole towards the operation farmland, relies on Action of Gravity Field to realize that seed falls into the cave, field, completes seeding unit seeding operation.
The selecting and confirming of main structure parameters
1) the waist-shaped hole parameter determines
The shape of waist-shaped hole will be determined with size according to the shape of fine grain seed with size.The probability that the thick size of arrangement will analyze the length and width of seed, to(for) non-round shaped grain seed coordinates with the type hole decides the type hole dimension.The flat grain seed that those length and widths, thick difference are larger may be enough to lie low in large type hole at one, may be also to erect or edge-on.Therefore, when definite type hole dimension, seed be made in the situation that the filling probability is larger in place by certain arrangement mode.Test shows, if when every cave seeding quantity was l～2, type hole diameter generally should be greater than 0.7～1.5mm of seed maximum length, type hole thickness is generally the maximum ga(u)ge of seed.When if every cave seeding quantity is 3～4, type hole diameter generally should equal maximum length and the maximum ga(u)ge sum of seed.The type hole depth is generally the twice of seed maximum ga(u)ge.According to test data, determine that the waist-shaped hole parameter is that parameter is followed successively by the long 4.6mm of radius 1mm pitch-row 2.6mm waist, the radius 1.5mm pitch-row long 6.6mm of 3.6mm waist and the long 8.6mm of radius 2mm pitch-row 4.6mm waist from small to large;
2) protect determining of kind of box material and the gradient
Material is having paint iron plate, plank and three kinds of common protecting on kind of box material of rubber slab to select, and through experimental study, seed is less than the sliding friction angle of plank, rubber slab with the sliding friction angle that paint iron plate is arranged.And the sliding friction angle of seed and the steady angle of friction that rolls are less, require seed-box to lead the inclination angle of kind of plate also just less, the angle of the type hole of seeding unit or type groove present position are required also just less, fill kind of effect just better.Use has paint iron plate to protect the material of kind of box as the design, and gradient parameter is positioned 33 °, can effectively increase seed-filling rate, reduces the seed breakage rate.
Claims (3)
1. fine grain Multifunctional precision seeding apparatus comprises cabinet rack (1), protects kind of a box (2), feed shaft (3) and scrape kind of a hairbrush, and cabinet rack (1) top offers seed inlet, and the bottom offers out kind of a mouth, and a side offers the seeding axis hole; Protect kind of a box (2) and be positioned at cabinet rack (1) internal upper part, and corresponding with seed inlet; One end of feed shaft (3) is splined end, and the other end is nest eye end, and is positioned at cabinet rack (1) bottom, and its splined end reaches outside the seeding axis hole, and its nest eye end is positioned at and protects kind of a box (2) below; It is characterized in that:
Uniform the six above seed blind holes of row on the external cylindrical surface of described feed shaft (3) nest eye end, every row is provided with the seed blind holes of the different sizes more than two, and described seed blind hole is waist-shaped hole;
Describedly protect kind of a box (2) to be four ribs bucket-shaped, offer seed distributing groove (23) in the middle of the bottom, and the length direction of seed distributing groove (23) is axial corresponding with feed shaft (3), seed distributing groove (23) both sides are connecting respectively seeds protecting plate (21), the seeds protecting plate of both sides (21) is skewback, and be the two side wall panels of protecting kind of a box (2), the another two side wall panels of protecting kind of a box (2) is upright plate.
2. fine grain Multifunctional precision seeding apparatus according to claim 1, it is characterized in that: uniform eight row's seed blind holes on the external cylindrical surface of described feed shaft (3) nest eye end, every row is provided with the seed blind hole of three different sizes, and three seed blind holes are respectively cereal seed type hole (31), rape seed type hole (32) and vegetable seed grass-seed type hole (33).
3. fine grain Multifunctional precision seeding apparatus according to claim 1, it is characterized in that: the seeds protecting plate (21) with seed distributing groove (23) junction, both sides raises up respectively, form the cambered surface of epirelief, the surface slope of both sides seeds protecting plate (21) is 33 °, and material is the iron plate of finish coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207051852U CN202979641U (en) | 2012-12-19 | 2012-12-19 | Small seed grain multi-functional precise-amount seeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207051852U CN202979641U (en) | 2012-12-19 | 2012-12-19 | Small seed grain multi-functional precise-amount seeding device |
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| CN202979641U true CN202979641U (en) | 2013-06-12 |
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| CN2012207051852U Expired - Fee Related CN202979641U (en) | 2012-12-19 | 2012-12-19 | Small seed grain multi-functional precise-amount seeding device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106068824A (en) * | 2016-07-15 | 2016-11-09 | 柳州好顺科技有限公司 | A kind of aspiration type sowing device |
| CN106211880A (en) * | 2016-07-22 | 2016-12-14 | 北京农业智能装备技术研究中心 | A kind of pit type precision seeder being exclusively used in sowing Semen Tritici aestivi |
| CN109699261A (en) * | 2019-01-28 | 2019-05-03 | 广西民族大学 | A kind of single rake roller dispenser of pre-cut kind formula sugarcane planting machine |
| CN109997465A (en) * | 2019-04-08 | 2019-07-12 | 农业农村部南京农业机械化研究所 | Multiple types green manure seed planting, dispenser and its design method |
| CN115413454A (en) * | 2022-09-27 | 2022-12-02 | 安徽农业大学 | Dustpan-shaped hole wheel type seed sowing device for multiple crops and seeds |
-
2012
- 2012-12-19 CN CN2012207051852U patent/CN202979641U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106068824A (en) * | 2016-07-15 | 2016-11-09 | 柳州好顺科技有限公司 | A kind of aspiration type sowing device |
| CN106211880A (en) * | 2016-07-22 | 2016-12-14 | 北京农业智能装备技术研究中心 | A kind of pit type precision seeder being exclusively used in sowing Semen Tritici aestivi |
| CN106211880B (en) * | 2016-07-22 | 2019-03-29 | 北京农业智能装备技术研究中心 | A kind of pit type precision seeder being exclusively used in sowing wheat |
| CN109699261A (en) * | 2019-01-28 | 2019-05-03 | 广西民族大学 | A kind of single rake roller dispenser of pre-cut kind formula sugarcane planting machine |
| CN109997465A (en) * | 2019-04-08 | 2019-07-12 | 农业农村部南京农业机械化研究所 | Multiple types green manure seed planting, dispenser and its design method |
| CN115413454A (en) * | 2022-09-27 | 2022-12-02 | 安徽农业大学 | Dustpan-shaped hole wheel type seed sowing device for multiple crops and seeds |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20141219 |
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| EXPY | Termination of patent right or utility model |