CN102090187A - Precise high-speed adjustable multifunctional seed-metering device - Google Patents

Precise high-speed adjustable multifunctional seed-metering device Download PDF

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CN102090187A
CN102090187A CN2010105968608A CN201010596860A CN102090187A CN 102090187 A CN102090187 A CN 102090187A CN 2010105968608 A CN2010105968608 A CN 2010105968608A CN 201010596860 A CN201010596860 A CN 201010596860A CN 102090187 A CN102090187 A CN 102090187A
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seed
plate
sowing
leading
bearing pin
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CN102090187B (en
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董臣
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Abstract

The invention discloses a precise high-speed adjustable multifunctional seed-metering device, relating to a seed-metering device. The precise high-speed adjustable multifunctional seed-metering device is used for solving the problem that the existing seed-metering device does not have the function of forcedly filling seeds and can not satisfy high-speed sowing operation. A sowing axle is installed in a sowing axle hole; a seed box and a seed box cover are respectively arranged on the lower end and upper end of a seed filling cavity; a rotary spile is respectively arranged between two sides of the seed box cover and mounting shells for sowing disks; the lower end of the rotary spile is provided with a baffle having the same size with a seed discharge hole; two seed cleaning draw bars are symmetrically arranged along the axis of the sowing axle; each seed cleaning draw bar successively penetrates through the seed box cover and the seed box from top to bottom; the two sowing disks are symmetrically arranged in the mounting shells for the two sowing disks; one end of a shifting tooth on each sowing disk is arranged on the inner side; a seed cleaning groove on each sowing disk is provided with a seed cleaning sheet; a pointed wedge head on each seed cleaning sheet is positioned on the seed discharge hole; the upper arm and lower arm of each seed guiding tube are hinged by virtue of a hinge pin; each seed discharge hole is provided with a seed guiding tube; and the upper arm of each seed guiding tube is fixedly installed on a support shell. The precise high-speed adjustable multifunctional seed-metering device is used on a seeder.

Description

High speed and precision adjustable multifunctional seeding unit
Technical field:
The present invention relates to a kind of seeding unit.
Background technology:
The existing employed seeding unit of sower can be divided into two types by the difference of its operation principle: a kind of is the pneumatic type seeding unit, adsorbs or blows attached seed in the mode of strength, reaches the purpose of smart amount seeding; Another kind is the mechanical type seeding unit, relies on the gravity of seed self to fill in the type hole of seed plate, reaches the purpose of smart amount seeding with this.No matter be which kind of seeding unit, the purpose that wants to reach the seeding of smart amount must have reliably fills kind and reliable clear two indispensable processes of planting, and the final purpose of reliably filling kind is in order to prevent the generation in hole; Reliable clear final purpose of planting is the generation in order to prevent to replay.In the modernized agricultural production of current implementation high speed seeding operation, weigh the good of a seed sowing device performance and under high speed seeding condition, whether have minimum hole rate and replay rate and minimum seedling-damaging rate with badly finally seeing it.Actual seeding operation for many years proves: the highest kind of the linear velocity of filling that mechanical type nest eye Type Seed Metering Device is adapted to can not surpass 0.3 meter per second, the locomotive seeding operation speed that reflects must not surpass 5 kms/time; The highest kind of the linear velocity of filling that air-suction seeding unit adapted to can not surpass 0.5 meter per second, and the locomotive seeding operation speed that reflects must not surpass 8-10 km/time; The speed of a motor vehicle of our desired high speed seeding operation should be more than 10-12 km/time now, and employed various seeding units do not possess the performance of forcing to fill kind at present, thereby it can't resolve when the relative velocity between seed and the seed plate surpasses the limit relative velocity that itself allowed cause seed can't rely on the gravity (mechanical type seeding unit) of seed self or strength (air-suction seeding unit) to enter this realistic problem of seeding dish-type hole, therefore, these seeding units all do not satisfy the requirement of current high speed seeding operation.
Summary of the invention:
The purpose of this invention is to provide a kind of high speed and precision adjustable multifunctional seeding unit, do not possess the performance of forcing to fill kind, can't rely on the gravity of seed self or strength to enter seeding dish-type hole, do not satisfy the problem of high speed seeding operation to solve existing seeding unit.
Above-mentioned purpose realizes by following technical scheme:
High speed and precision adjustable multifunctional seeding unit, its composition comprises: seeder unit shell, feed shaft, plant box, plant lid, two rotation plates, two clear pull bars of planting, two seed plates, two seed cleaning sheets and two grain conductors, described seeder unit shell is made up of support shell and two seed plate mounting shells, two seed plate mounting shells are symmetricly set on both sides, support shell front and back, and two seed plate mounting shells and support shell are made one, the lower end of the inboard wall of each seed plate mounting shell is provided with seed outlet, support shell along on have and fill kind of a chamber, the center that seeder unit shell is positioned at front/rear end is provided with the seeding axis hole, feed shaft is installed in the seeding axis hole by bearing, the kind box is arranged between two seed plate mounting shells and is positioned at the lower end of filling kind of chamber, the kind lid is arranged between two seed plate mounting shells and is positioned at the upper end of filling kind of chamber, plant the lid upper end and be provided with into kind of hole, a rotation plate is installed respectively between the both sides of kind lid and the seed plate mounting shell, the rotation plate is sleeved on the feed shaft, the lower end of rotation plate is provided with the plate washer with the identical size of seed outlet, two clear plants pull bar and is symmetrical arranged with the axis of feed shaft, and each clear pull bar of planting passes kind of lid from top to bottom and plants box, two seed plate symmetries are installed in two seed plate mounting shells, and tooth one end that pulls out on each seed plate is positioned at the inboard, in the clear kind of groove on each seed plate a seed cleaning sheet is housed, and the glut head on the seed cleaning sheet is positioned at the seed outlet place, each grain conductor is by upper arm, underarm and bearing pin are formed, upper arm and underarm are hinged by bearing pin, a grain conductor is installed at each seed outlet place, and the upper arm of grain conductor is packed on the support shell.
Above-mentioned high speed and precision adjustable multifunctional seeding unit, upper arm on each grain conductor is by last handle, leading kind of straight tube and otic placode forms, last handle is arranged on the top of leading kind of straight tube, the upper end of leading kind of straight tube is provided with leads kind of a cambered surface, last handle with lead kind of a straight tube and be made into integration, underarm on each grain conductor is formed by leading kind of bend pipe and connecting plate, connecting plate is arranged on the upper end of leading kind of bend pipe and is positioned at external arc one side of leading kind of bend pipe, connecting plate with lead kind of a bend pipe and be made into integration, be positioned at the center of leading kind of bend pipe on the connecting plate and be provided with the bearing pin mounting groove, be positioned at and lead kind of the connecting plate of bend pipe sidewall outer and be provided with long arc-shaped holes, dock with the upper end of leading kind of bend pipe the lower end of leading kind of straight tube, leading kind of cambered surface is positioned on the same side with the inner arc surface of leading kind of bend pipe, lead kind of straight tube be provided with the bearing pin mounting groove over against the bearing pin installing hole, lead on kind of the straight tube with connecting plate over against the side be provided with otic placode, otic placode be provided with long arc-shaped holes over against bolt hole, otic placode with lead kind of a straight tube and be made into integration, bearing pin passes the bearing pin mounting groove and is arranged in the bearing pin installing hole, and Connection Element is installed in long arc-shaped holes and the bolt hole.
Above-mentioned high speed and precision adjustable multifunctional seeding unit, be laid with several type holes on the outer surface of each seed plate, be provided with the STH that communicates with the type hole with each corresponding position, type hole on one side end face of seed plate, be provided with on the outer round surface of described seed plate and along the center line of type hole width direction and plant groove clearly, the seed plate end face between every adjacent two STHs is provided with a moving tooth.
Above-mentioned high speed and precision adjustable multifunctional seeding unit, each seed cleaning sheet be shaped as semicircular ring, the arc length of semicircular ring is greater than semicircle, the head of seed cleaning sheet is the glut head, the outer shroud of seed cleaning sheet and be positioned at seed cleaning sheet cusp 30mm~50mm arc length place and be provided with projection.
This technical scheme has following beneficial effect:
1. the present invention can carry out the high speed seeding operation to soybean and corn, utilize the moving tooth on the seed plate 7, be very easy to grasp the moment of seed, relative velocity moment between the seed plate in the seed of static state and the rotation is reduced to " zero ", help the type hole that this seed can successfully enter on the seed plate and go, this just this seeding unit why can adapt to the basic place of high speed seeding operation.
2. seed cleaning sheet of the present invention not only has the function of seed in the Compulsory Removal type hole of other seeding unit seed cleaning sheet, the function that also has the unnecessary seed in removing type hole, utilize glut head 8-1 seed can be provoked from its bottom, and discharge seed, do not damage seed along the inclined plane of its glut head 8-1.Seed cleaning sheet of the present invention has been abandoned wheeled this of the hairbrush that other seeding unit adopted insecure cleaning device that very easily weares and teares.
3. grain conductor of the present invention is rotatable adjustment type, solved the fixing nonadjustable problem of grain conductor on the existing sower, the adjustment of different spacings when grain conductor of the present invention has been realized the soybean double-row drilling operation is to adapt to the needs of the different high-yield culturing patterns of soybean.
4. the present invention utilizes two rotation plates the two bar seedling strip sowing kind operations in two chambeies can be converted to the operation of single chamber wall scroll seedling strip sowing kind.
5. the present invention can realize soybean and corn seeding, and speed of drilling can to reach 10-12 km/time above, under high speed seeding operation condition, can reach the requirement of precise sowing quality.
Description of drawings:
Fig. 1 is overall structure schematic diagram of the present invention (direction of arrow represents to sow direction of advance among the figure); Fig. 2 is the vertical view of Fig. 1; Fig. 3 is the A-A cutaway view of Fig. 1; Fig. 4 is the structural representation of seeder unit shell 1; Fig. 5 is the left view of Fig. 4; Fig. 6 is the B-B cutaway view of Fig. 4; Fig. 7 is the C-C cutaway view of Fig. 4; Fig. 8 is the structural representation of seed plate 7; Fig. 9 is the D-D cutaway view of Fig. 8; Figure 10 is the structural representation of grain conductor 9; Figure 11 is the left view of Figure 10; Figure 12 is the structural representation of upper arm upper arm 9-1; Figure 13 is the right view of Figure 12; Figure 14 is the left view of Figure 12; Figure 15 is the E-E cutaway view of Figure 12; Figure 16 is the structural representation of underarm 9-2; Figure 17 is the right view of Figure 16; Figure 18 is the left view of Figure 16; Figure 19 is the vertical view of Figure 16; Figure 20 be seed cleaning sheet 8 structural representation; Figure 21 is the structural representation of rotation plate 5; Figure 22 is the structural representation of kind of box 3; Figure 23 is the F-F cutaway view of Figure 22.
Embodiment:
Embodiment 1:
High speed and precision adjustable multifunctional seeding unit, see Fig. 1~Fig. 7, Figure 21~Figure 22, its composition comprises: seeder unit shell 1, feed shaft 2, plant box 3, plant lid 4, two rotation plates 5, two clear pull bars 6 of planting, two seed plates 7, two seed cleaning sheets 8 and two grain conductors 9, described seeder unit shell 1 is made up of support shell 1-1 and two seed plate mounting shell 1-2, two seed plate mounting shell 1-2 are symmetricly set on both sides, support shell 1-1 front and back, and two seed plate mounting shell 1-2 and support shell 1-1 make one, the lower end of the inboard wall of each seed plate mounting shell 1-2 is provided with seed outlet 1-2-1, support shell 1-1 along on have and fill kind of a chamber 1-3, the center that seeder unit shell 1 is positioned at front/rear end is provided with seeding axis hole 1-4, feed shaft 2 is installed among the seeding axis hole 1-4 by bearing, kind box 3 is arranged between two seed plate mounting shell 1-2 and is positioned at and fills kind of the lower end of chamber 1-3, kind lid 4 is arranged between two seed plate mounting shell 1-2 and is positioned at and fills kind of the upper end of chamber 1-3, plant lid 4 upper ends and be provided with into kind of hole 4-1, a rotation plate 5 is installed respectively between the both sides of kind lid 4 and the seed plate mounting shell 1-2, rotation plate 5 is sleeved on the feed shaft 2, the lower end of rotation plate 5 is provided with the plate washer 5-1 with the identical size of seed outlet 1-2-1, when the needs double-row drilling, rotate two rotation plates 5 respectively, plate washer 5-1 and seed outlet 1-2-1 are staggered; When the needs wall scroll is sowed, the plate washer 5-1 seed outlet 1-2-1 corresponding with it on the rotation plate 5 closed, the plate washer 5-1 seed outlet 1-2-1 corresponding with it on another rotation plate 5 staggers; Two clear plants pull bar 6 and is symmetrical arranged with the axis of feed shaft 2, and each clear pull bar 6 of planting passes kind of lid 4 from top to bottom and plants box 3, and be fixed with Connection Element, two seed plate 7 symmetries are installed in two seed plate mounting shell 1-2, and tooth 7-4 one end that pulls out on each seed plate 7 is positioned at the inboard, among the clear kind of groove 7-3 on each seed plate 7 seed cleaning sheet 8 is housed, and the glut head 8-1 on the seed cleaning sheet 8 is positioned at seed outlet 1-2-1 place, each grain conductor 9 is by upper arm 9-1, underarm 9-2 and bearing pin 9-3 form, upper arm 9-1 and underarm 9-2 are hinged by bearing pin 9-3, a grain conductor 9 is installed at each seed outlet 1-2-1 place, and the upper arm 9-1 of grain conductor 9 is packed on the support shell 1-1.Extract the fastening screw of planting clearly on the pull bar 6, press downwards and plant pull bar 6 clearly, can reach the purpose of quick removing seed.When the needs wall scroll is sowed, need not the dismounting seeding unit, only need a rotation plate 5 is closed the seed outlet 1-2-1 corresponding with it, another rotation plate 5 is opened the seed outlet 1-2-1 corresponding with it, and the outlet of rotating grain conductor 9 at last gets final product on the line-spacing of wall scroll sowing.The underarm 9-2 of rotation grain conductor 9 is to realize any adjustment of double-row drilling line-spacing between 10-25 centimetre.
Embodiment 2:
Above-mentioned high speed and precision adjustable multifunctional seeding unit, see Figure 10~Figure 19, upper arm 9-1 on each grain conductor 9 is by last handle 9-1-1, leading kind of straight tube 9-1-2 and otic placode 9-1-3 forms, last handle 9-1-1 is arranged on and leads kind of the top of straight tube 9-1-2, leading kind of the upper end of straight tube 9-1-2 is provided with and leads kind of a cambered surface 9-1-2-1, last handle 9-1-1 with lead kind of a straight tube 9-1-2 and be made into integration, underarm 9-2 on each grain conductor 9 forms by leading kind of bend pipe 9-2-1 and connecting plate 9-2-2, connecting plate 9-2-2 is arranged on to lead kind of the upper end of bend pipe 9-2-1 and be positioned at and leads kind of the external arc of bend pipe 9-2-1 one side, connecting plate 9-2-2 with lead kind of a bend pipe 9-2-1 and be made into integration, be positioned on the connecting plate 9-2-2 and lead kind of the center of bend pipe 9-2-1 and be provided with bearing pin mounting groove 9-2-2-1, be positioned at and lead kind of the connecting plate 9-2-2 of bend pipe 9-2-1 sidewall outer and be provided with long arc-shaped holes 9-2-2-2, lead kind of the lower end of straight tube 9-1-2 and lead kind of the upper end of bend pipe 9-2-1 and dock, lead kind of cambered surface 9-1-2-1 and lead kind of the inner arc surface of bend pipe 9-2-1 and be positioned on the same side, lead kind of straight tube 9-1-2 be provided with bearing pin mounting groove 9-2-2-1 over against bearing pin installing hole 9-1-2-2, lead that kind of straight tube 9-1-2 goes up and connecting plate 9-2-2 over against the side be provided with otic placode 9-1-3, otic placode 9-1-3 be provided with long arc-shaped holes 9-2-2-2 over against bolt hole 9-1-3-1, otic placode 9-1-3 with lead kind of a straight tube 9-1-2 and be made into integration, bearing pin 9-3 passes bearing pin mounting groove 9-2-2-1 and is arranged among the bearing pin installing hole 9-1-2-2, and Connection Element is installed among long arc-shaped holes 9-2-2-2 and the bolt hole 9-1-3-1.Other annexation is identical with embodiment 1.
Embodiment 3:
Above-mentioned high speed and precision adjustable multifunctional seeding unit, see Fig. 8 and Fig. 9, be laid with several type holes 7-1 on the outer surface of each seed plate 7, be provided with the STH 7-2 that communicates with type hole 7-1 with each 7-1 corresponding position, type hole on one side end face of seed plate 7, be provided with on the outer round surface of described seed plate 7 and along the center line of type hole 7-1 width and plant groove 7-3 clearly, seed plate 7 end faces between every adjacent two STH 7-2 are provided with a moving tooth 7-4.Other annexation is identical with embodiment 1.
Embodiment 4:
Above-mentioned high speed and precision adjustable multifunctional seeding unit, see Figure 20, each seed cleaning sheet 8 be shaped as semicircular ring, the arc length of semicircular ring is greater than semicircle, the head of seed cleaning sheet 8 is glut head 8-1, the outer shroud of seed cleaning sheet 8 and be positioned at seed cleaning sheet cusp 30mm~50mm arc length place and be provided with protruding 8-2.Projection 8-2 snaps in the draw-in groove on the seeder unit shell 1 when being used for installing.Other annexation is identical with embodiment 1.

Claims (4)

1. high speed and precision adjustable multifunctional seeding unit, its composition comprises: seeder unit shell (1), feed shaft (2), plant box (3), plant lid (4), two rotation plates (5), two clear pull bars (6) of planting, two seed plates (7), two seed cleaning sheets (8) and two grain conductors (9), it is characterized in that: described seeder unit shell (1) is made up of support shell (1-1) and two seed plate mounting shells (1-2), two seed plate mounting shells (1-2) are symmetricly set on both sides, support shell (1-1) front and back, and two seed plate mounting shells (1-2) are made one with support shell (1-1), the lower end of the inboard wall of each seed plate mounting shell (1-2) is provided with seed outlet (1-2-1), support shell (1-1) along on have and fill kind of a chamber (1-3), the center that seeder unit shell (1) is positioned at front/rear end is provided with seeding axis hole (1-4), feed shaft (2) is installed in the seeding axis hole (1-4) by bearing, kind box (3) is arranged between two seed plate mounting shells (1-2) and is positioned at the lower end of filling kind of a chamber (1-3), kind lid (4) is arranged between two seed plate mounting shells (1-2) and is positioned at the upper end of filling kind of a chamber (1-3), plant lid (4) upper end and be provided with into kind of hole (4-1), a rotation plate (5) is installed respectively between the both sides of kind lid (4) and the seed plate mounting shell (1-2), rotation plate (5) is sleeved on the feed shaft (2), the lower end of rotation plate (5) is provided with the plate washer (5-1) with the identical size of seed outlet (1-2-1), two clear kind pull bars (6) are symmetrical arranged with the axis of feed shaft (2), and each clear pull bar (6) of planting passes kind of a lid (4) from top to bottom and plants box (3), two seed plates (7) symmetry is installed in two seed plate mounting shells (1-2), and tooth (7-4) end that pulls out on each seed plate (7) is positioned at the inboard, in the clear kind of groove (7-3) on each seed plate (7) seed cleaning sheet (8) is housed, and the glut head (8-1) on the seed cleaning sheet (8) is positioned at seed outlet (1-2-1) and locates, each grain conductor (9) is by upper arm (9-1), underarm (9-2) and bearing pin (9-3) are formed, upper arm (9-1) and underarm (9-2) are hinged by bearing pin (9-3), each seed outlet (1-2-1) locates to install a grain conductor (9), and the upper arm (9-1) of grain conductor (9) is packed on the support shell (1-1).
2. according to the described high speed and precision adjustable multifunctional of claim 1 seeding unit, it is characterized in that: the upper arm (9-1) on each grain conductor (9) is by last handle (9-1-1), leading kind of a straight tube (9-1-2) and otic placode (9-1-3) forms, last handle (9-1-1) is arranged on the top of leading kind of a straight tube (9-1-2), the upper end of leading kind of a straight tube (9-1-2) is provided with leads kind of a cambered surface (9-1-2-1), last handle (9-1-1) with lead kind of a straight tube (9-1-2) and be made into integration, underarm (9-2) on each grain conductor (9) is by leading kind of a bend pipe (9-2-1) and connecting plate (9-2-2) is formed, connecting plate (9-2-2) is arranged on the upper end of leading kind of a bend pipe (9-2-1) and is positioned at external arc one side of leading kind of a bend pipe (9-2-1), connecting plate (9-2-2) with lead kind of a bend pipe (9-2-1) and be made into integration, be positioned at the center of leading kind of a bend pipe (9-2-1) on the connecting plate (9-2-2) and be provided with bearing pin mounting groove (9-2-2-1), be positioned at the connecting plate (9-2-2) of leading kind of a bend pipe (9-2-1) sidewall outer and be provided with long arc-shaped holes (9-2-2-2), dock with the upper end of leading kind of a bend pipe (9-2-1) lower end of leading kind of a straight tube (9-1-2), leading kind of a cambered surface (9-1-2-1) is positioned on the same side with the inner arc surface of leading kind of a bend pipe (9-2-1), lead kind of a straight tube (9-1-2) be provided with bearing pin mounting groove (9-2-2-1) over against bearing pin installing hole (9-1-2-2), lead that kind of a straight tube (9-1-2) is gone up and connecting plate (9-2-2) over against the side be provided with otic placode (9-1-3), otic placode (9-1-3) be provided with long arc-shaped holes (9-2-2-2) over against bolt hole (9-1-3-1), otic placode (9-1-3) with lead kind of a straight tube (9-1-2) and be made into integration, bearing pin (9-3) passes bearing pin mounting groove (9-2-2-1) and is arranged in the bearing pin installing hole (9-1-2-2), and Connection Element is installed in long arc-shaped holes (9-2-2-2) and the bolt hole (9-1-3-1).
3. according to claim 1 or 2 described high speed and precision adjustable multifunctional seeding units, it is characterized in that: be laid with several type holes (7-1) on the outer surface of each seed plate (7), be provided with the STH (7-2) that communicates with type hole (7-1) with each corresponding position, type hole (7-1) on one side end face of seed plate (7), be provided with on the outer round surface of described seed plate (7) and along the center line of type hole (7-1) width and plant groove (7-3) clearly, seed plate (7) end face between every adjacent two STHs (7-2) is provided with a moving tooth (7-4).
4. according to the described high speed and precision adjustable multifunctional of claim 3 seeding unit, it is characterized in that: each seed cleaning sheet (8) be shaped as semicircular ring, the arc length of semicircular ring is greater than semicircle, the head of seed cleaning sheet (8) is glut head (8-1), the outer shroud of seed cleaning sheet (8) and be positioned at seed cleaning sheet cusp 30mm~50mm arc length place and be provided with projection (8-2).
CN 201010596860 2010-12-21 2010-12-21 Precise high-speed adjustable multifunctional seed-metering device Expired - Fee Related CN102090187B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102612902A (en) * 2012-03-23 2012-08-01 中国农业大学 Seed-coat-removal preventing device for air-blowing type seeding apparatus
CN108040555A (en) * 2018-02-11 2018-05-18 李鸿鸽 Double kinds of band feed mechanism for seeds of aspirated-air type
CN108055902A (en) * 2018-01-26 2018-05-22 河北农业大学 A kind of seed cleaning sheet of wheat feed mechanism for seed in agricultural machinery
CN108283037A (en) * 2018-01-26 2018-07-17 中国农业大学 Formula single-grain precision seeding apparatus is filled in combination again
CN108476677A (en) * 2018-05-07 2018-09-04 徐精学 General-purpose precision seeding machine
CN110050550A (en) * 2019-05-30 2019-07-26 东北林业大学 A kind of dedicated dispenser of cell breeding with function of alternately relieving a sentry
CN115250681A (en) * 2022-07-29 2022-11-01 北京中航智科技有限公司 Seed discharging and refluxing method for nut seeds

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Publication number Priority date Publication date Assignee Title
FR2560480A1 (en) * 1984-03-01 1985-09-06 Rabewerk Clausing Heinrich Seed drill with height adjustment
CN2877232Y (en) * 2005-11-01 2007-03-14 董臣 New pattern soybean precise zero-velocity seed charging evenness equipment
CN201491489U (en) * 2009-06-03 2010-06-02 程玉莲 Seed sowing device of adjustable speed accurate-position hill seeder
CN201499442U (en) * 2009-08-10 2010-06-09 李金泽 Brush-type seed cleaning air suction seed metering device
CN101855960A (en) * 2010-06-23 2010-10-13 山东理工大学 Belt type precise seed-metering device
CN201938058U (en) * 2010-12-21 2011-08-24 董臣 Multifunctional, adjustable and high-speed precision seed metering device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2560480A1 (en) * 1984-03-01 1985-09-06 Rabewerk Clausing Heinrich Seed drill with height adjustment
CN2877232Y (en) * 2005-11-01 2007-03-14 董臣 New pattern soybean precise zero-velocity seed charging evenness equipment
CN201491489U (en) * 2009-06-03 2010-06-02 程玉莲 Seed sowing device of adjustable speed accurate-position hill seeder
CN201499442U (en) * 2009-08-10 2010-06-09 李金泽 Brush-type seed cleaning air suction seed metering device
CN101855960A (en) * 2010-06-23 2010-10-13 山东理工大学 Belt type precise seed-metering device
CN201938058U (en) * 2010-12-21 2011-08-24 董臣 Multifunctional, adjustable and high-speed precision seed metering device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102612902A (en) * 2012-03-23 2012-08-01 中国农业大学 Seed-coat-removal preventing device for air-blowing type seeding apparatus
CN102612902B (en) * 2012-03-23 2014-05-14 中国农业大学 Seed-coat-removal preventing device for air-blowing type seeding apparatus
CN108055902A (en) * 2018-01-26 2018-05-22 河北农业大学 A kind of seed cleaning sheet of wheat feed mechanism for seed in agricultural machinery
CN108283037A (en) * 2018-01-26 2018-07-17 中国农业大学 Formula single-grain precision seeding apparatus is filled in combination again
CN108283037B (en) * 2018-01-26 2024-03-26 中国农业大学 Combined double-charging single-grain precision seed sowing device
CN108040555A (en) * 2018-02-11 2018-05-18 李鸿鸽 Double kinds of band feed mechanism for seeds of aspirated-air type
CN108476677A (en) * 2018-05-07 2018-09-04 徐精学 General-purpose precision seeding machine
CN110050550A (en) * 2019-05-30 2019-07-26 东北林业大学 A kind of dedicated dispenser of cell breeding with function of alternately relieving a sentry
CN115250681A (en) * 2022-07-29 2022-11-01 北京中航智科技有限公司 Seed discharging and refluxing method for nut seeds
CN115250681B (en) * 2022-07-29 2023-08-08 北京中航智科技有限公司 Nut seed sowing and reflux method

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