CN102027825A - Mechanical/pneumatic combined internal-charging type precision corn seed sowing device - Google Patents

Mechanical/pneumatic combined internal-charging type precision corn seed sowing device Download PDF

Info

Publication number
CN102027825A
CN102027825A CN 201010291949 CN201010291949A CN102027825A CN 102027825 A CN102027825 A CN 102027825A CN 201010291949 CN201010291949 CN 201010291949 CN 201010291949 A CN201010291949 A CN 201010291949A CN 102027825 A CN102027825 A CN 102027825A
Authority
CN
China
Prior art keywords
seed
drain pan
underpan
seed sowing
division board
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.)
Granted
Application number
CN 201010291949
Other languages
Chinese (zh)
Other versions
CN102027825B (en
Inventor
张东兴
刘佳
崔涛
杨丽
高娜娜
王波
刘媛媛
胡国勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Agricultural University
Original Assignee
China Agricultural University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Agricultural University filed Critical China Agricultural University
Priority to CN 201010291949 priority Critical patent/CN102027825B/en
Publication of CN102027825A publication Critical patent/CN102027825A/en
Application granted granted Critical
Publication of CN102027825B publication Critical patent/CN102027825B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Sowing (AREA)

Abstract

The invention relates to a mechanical/pneumatic combined internal-charging type precision corn seed sowing device which is characterized by comprising a flat-plate-shaped seed sowing device underpan, a concave disk-shaped structure seed sowing tray, a semicircular-like isolation plate fixed on the underpan, a transmission shaft, an air inlet hole, a seed sowing port and a seed inlet port, wherein the outer edge on the inner side of the seed sowing tray is provided with a circle of bosses in the circumferential direction, the bosses rotatablely abut against the underpan, a cavity is formed between the concave part of the seed sowing tray and the underpan; the bosses are provided with a plurality of hemipyramid grooves at intervals along the circumferential direction, each groove has a bigger upper opening and a smaller lower opening, and the grooves abut against the underpan to form a plurality of pockets; the outer edge of the isolation plate is arranged on the inner edge of the boss; one end of the transmission shaft is fixedly connected with the seed sowing tray, and the other end of the transmission shaft is connected with a power system after penetrating through the isolation plate and the underpan; the air inlet hole is arranged on the underpan at the start end of the isolation plate and partially penetrates through the start end of the isolation plate; the air inlet hole is connected with an air inlet pipe; the seed sowing port is arranged on the underpan below the tail end of the isolation plate; and the seed inlet port is arranged on the underpan which is adjacent to the seed sowing port and far away from the isolation plate and connected with a seed inlet pipe.

Description

Seed filling type corn precise seeder in a kind of mechanical strength combination
Technical field
The present invention relates to a kind of seeding unit, particularly about seed filling type corn precise seeder in a kind of mechanical strength combination.
Background technology
Interior seed filling type seeding unit is simple in structure, transmission is convenient, can adapt to the high speed operation filling on kind of the property.The seed filling type seeding unit mostly is mechanical type in existing, is seed filling type seeding unit in 02294813.9 and 93240136.8 two kinds as the patent No., and its principle is in whole chamber fills kind, utilizes two-layer nest eye to separate into kind.But the seeding unit of this type exist into kind of amount excessive, plant clearly and the dispenser complexity, easily seed caused the shortcoming of knocking mechanical damages such as kind, and the kind amount of each nest intraocular maintenance can't accurately control, and is difficult to realize the not precision drilling of graded seed.To be 91108988.8 interior seed filling type seeding unit done some improvement to application number on filling kind, but it is too near with the sowing port distance to enter kind of hole, can't implement effectively clear kind measure, and replay and broadcast leakage possibility are bigger, are difficult to finish the precision drilling under the high speed operation equally.Existing indivedual air-sucking type Seed contained feeders, requiring has good sealing in the whole cavity, to the requirement on machining accuracy height, complex structure, power consumption is big, the cost height.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide and a kind ofly can carry out precision drilling corn seed, and seed filling type corn precise seeder in the mechanical strength combination that can plant effectively clearly.
For achieving the above object, the present invention takes following technical scheme: seed filling type corn precise seeder in a kind of mechanical strength combination is characterized in that it comprises: a seeding unit drain pan, and described seeding unit drain pan is plate shaped; One seed plate, it is the disc-shaped structure of an indent, the outer circumference of described seed plate inboard is to being provided with a circle boss, described boss is fitted on the described drain pan rotationally, form a chamber between described seed plate female parts and the described drain pan, described boss circumferentially is arranged at intervals with some big young half-cone grooves down suitable for reading, and each described groove and described drain pan are fitted and formed some nest eyes; One similar semicircle division board, it is fixed on the described drain pan, and sink in the described chamber between described seed plate female parts and the described drain pan, the outer rim of described division board is arranged on the inside edge of described boss, be used to block the also seed of the described nest intraocular of delivery, the center of circle of described division board and the center of circle of described seed plate are overlapping; One power transmission shaft, one end are fixedly connected on the described seed plate, and the other end passes described division board and the bearing that is connected on the described drain pan, is used to connect dynamical system; One air admission hole, it is arranged on the described drain pan of described division board initiating terminal, and the part passes described division board initiating terminal, is connected with an air inlet pipe on the described air admission hole; One sowing port, it is arranged on the described drain pan of described division board end below; One enters kind of a hole, its be arranged on adjacent with described sowing port and the described drain pan away from described division board one side on, describedly advance on kind of the hole to be connected with a seed input pipe.
Described boss on the described seed plate is the stairstepping boss, described stairstepping boss comprises convex platform and lower convex platform, the necking end of described half-cone groove closes at the top of described lower convex platform, and the bottom of described lower convex platform and each corresponding position of described half-cone groove are provided with half cylindrical groove; Described convex platform and described drain pan are fitted and are assembled, and form an inlet between each described half-cone groove and the described drain pan and are semicircular half-cone nest eye, and described half-cone nest intraocular only can hold 1~2 seed.
The described drain pan that is positioned at described air admission hole one side is provided with a hairbrush that is used to clear up seed.
The air admission hole of described drain pan is provided with a flange, and described air inlet pipe is connected on the inlet suction port of described flange.
Described seed input pipe is welded on the described drain pan.
The present invention is owing to take above technical scheme, it has the following advantages: the nest eye that 1, forms between seed plate of the present invention and the drain pan is the half-cone structure, and 1~2 seed is entered fully, seed appearance and size is required not strict, can adapt to not classified, shape and big or small discrepant seed, therefore, it is good to fill kind of performance, has effectively avoided the nest eye less than a seed size, and leakage kind phenomenon that may cause and seed exceed kind of the phenomenon of knocking that takes place when nest eye surface enters isolated area.2, the present invention is by being provided with air admission hole in the clear district of planting, and can will firmly be adsorbed in the nest eye with the approaching seed of nest eyeground Kongzui, and bellmouth nest eye is beneficial to the landing under the deadweight effect of unnecessary seed, clear automatically plant effective.3, the present invention utilizes atmospheric pressure to retain a seed of nest eyeground portion at clear air admission hole of planting district's setting, and simple grain is good, and adaptability is stronger; Less to the air pressure demand, atmospheric pressure only needs to work in less clear kind zone simultaneously, and consumption of power is all littler than existing air-sucking type or air-sweeping type.4, the present invention also is provided with hairbrush in the clear district of planting, and the seed brush that does not pass through deadweight effect landing can be fallen by hairbrush, makes the nest intraocular keep a seed, finishes simple grain and fills kind.5, the present invention is provided with division board in isolated area, the seed that can prevent to enter the nest eye by division board because of action of gravity from the landing of nest eye carry out seeding so that enter the seeding district.The present invention is simple in structure, need not the mechanical type seeds pushing device, and is easy to operate, can seeding of smart amount and clear automatically the kind, can be widely used in the precision drilling process of corn seed of various kinds.
Description of drawings
Fig. 1 is that the master of general structure of the present invention looks schematic diagram
Fig. 2 is a seed plate schematic diagram of the present invention
Fig. 3 is a seed plate sectional perspective schematic diagram of the present invention
Fig. 4 is that schematic diagram is looked on the right side of Fig. 1
Fig. 5 is the schematic rear view of Fig. 1
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
As shown in Figure 1, the present invention includes a seeding unit drain pan 1, drain pan 1 is a flat board, and the first half is square, the Lower Half semicircular in shape, and rotating on the drain pan 1 fits is provided with a seed plate 2, and forms a chamber between the drain pan 1.
As Fig. 2, shown in Figure 3, seed plate 2 is the collar plate shape structure of an indent, encloses the stairstepping boss in the outer circumference of seed plate 2 inboards to being provided with one, and the ladder boss comprises convex platform 21 and lower convex platform 22.Be arranged at intervals with some big young half-cone grooves 23 down suitable for reading on the convex platform 21, the necking end of each half-cone groove 23 closes at the top of lower convex platform 22, and the bottom of lower convex platform 22 and each half-cone groove 23 corresponding positions are provided with half cylindrical groove 24.The convex platform 21 of seed plate 2 is fitted with drain pan 1 and is assembled, and forms chamber between the female parts of seed plate 2 and the drain pan 1, forms an inlet between each half-cone groove 23 and the drain pan 1 and is semicircular half-cone nest eye 3 (as shown in Figure 4).
As shown in Figure 4, pass the center of seed plate 2, be set with a power transmission shaft 4, the other end of power transmission shaft 4 rotates by bearing and bearing block 5 and is arranged on the drain pan 1, and by the circlip for shaft that is arranged on the bearing block 5 bearing enclose is located.Power transmission shaft 4 passes the part of seed plate 2 by shaft end nut 6 and pad locking.The power transmission shaft 4 that is positioned at seed plate 2 is provided with an axle sleeve 7, and axle sleeve 7 props up bearing inner race.Power transmission shaft 4 is by the ground wheel drive on the sower, and power transmission shaft 4 drives seed plate 2 and rotates with respect to drain pan 1.
As shown in Figure 1, the chamber between drain pan 1 and the seed plate 2 is divided into two chambers by spacer assembly commonly used, and wherein a part of chamber is set to fill kind of district 8 and the clear district 9 of planting, and another part chamber is set to isolated area 10 and seeding district 11.Clear kind district 9 is arranged on fills kind of 8 tops, district, and adjacent with isolated area 10, and isolated area 10 is arranged on 11 tops, seeding district.
As Fig. 1, Fig. 4, shown in Figure 5, be positioned at and offer one on the drain pan 1 that fills kind district 8 and enter kind of hole 12, enter kind of hole 12 and connect a seed input pipe 13 that is weldingly fixed on the drain pan 1, can be by seed input pipe 13 to filling kind of a district 8 seed of packing into.
Be positioned at clearly on the drain pan 1 of planting district 9 and offer an air admission hole 14, air admission hole 14 is provided with a flange, is bolted to connection an air inlet pipe 15 on the inlet suction port of flange; Be positioned at clearly on the drain pan 1 of planting district 9 also by the fixedly connected hairbrush 16 of screw, to be used for the unnecessary seed brush chamber that falls back.
As Fig. 1, shown in Figure 4, be positioned on the drain pan 1 in isolated area 10 and seeding district 11 and be set with a similar semicircular division board 17, in the chamber that division board 17 sinks into to form between the female parts of seed plate 2 and the drain pan 1.Power transmission shaft 4 passes division board 17, and the initiating terminal of division board 17 is overlapped with clear air admission hole 14 of planting district 9, and offers on the division board 17 and the corresponding semicircular opening of the lap of air admission hole 14, and the end of division board 17 is positioned at seeding district 11.The outer rim of division board 17 is arranged on the inner edge place of seed plate 2 convex platforms 21, is used to block and delivery enters half-cone nest eye 3 on the seed plate 2 of isolated area 10, falls in the chamber from the nest eye to prevent the seed in the half-cone nest eye 3.
The drain pan 1 that is positioned at seeding district 11 cuts away with half-cone nest eye 3 corresponding parts, forms a sowing port.
Only can hold 1~2 seed in the half-cone groove 23 on half-cone nest eye 3 tops, the volume of the semicolumn groove 24 of bottom can prevent that less than the volume of a seed seed from falling from half-cone nest eye 3.
The course of work of the present invention is:
1) plants the interior seed of case by filling kind of the seed input pipe 13 in district 8, from advancing in the chamber between kind of hole 12 inflow drain pans 1 and the seed plate 2, under the push effect of gravity and top seed, 1~2 seed will enter fully and be positioned at the half-cone nest eye 3 that fills on kind of the seed plate 2 in district 8, because, the volume of semicolumn groove 24 is less than the volume of a seed, and therefore, seed can not fall from half-cone nest eye 3.
2) seed plate 2 rotates to the clear kind district 9 that the strength effect is arranged, filling seed-bearing half-cone nest eye 3 when inside enters clearly when planting district 9, from air admission hole 14 input air-flows, the semicylindrical opening of airflow passes half-cone nest eye 3 bottoms, will form a pressure differential inside and outside the half-cone nest eye 3, that seed that will contact with half-cone nest eye 3 bottoms is pressed firmly and is attached to half-cone nest eye 3 inside; The automatic landing under action of gravity of unnecessary seed recharges kind of a district 8.Part is the seed of landing not, plants under the effect of distinguishing 9 hairbrush 16 clear, and brush falls to recharging kind of a district 8.
3) along with the rotation of seed plate 2, the isolated area 10 that the seed-bearing half-cone nest eye 3 of inner filling enters division board 17, division board 17 blocks half-cone nest eye 3, prevents that the seeds in the half-cone nest eye 3 from falling in the chamber from the nest eye.
4) along with the rotation of seed plate 2, the seed-bearing half-cone nest eye 3 of inner filling enters seeding district 11 from isolated area 10, because being positioned at the drain pan 1 in seeding district 11 cuts away with half-cone nest eye 3 corresponding parts, form a sowing port, therefore, the open sides of half-cone nest eye 3 no longer include drain pan 1 it are blocked, and seed falls from sowing port under the deadweight effect, finishes the simple grain seeding.
The various embodiments described above only are used to illustrate the present invention, and wherein the structure of each parts, connected mode etc. all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement all should not got rid of outside protection scope of the present invention.

Claims (7)

1. seed filling type corn precise seeder in a mechanical strength makes up is characterized in that it comprises:
One seeding unit drain pan, described seeding unit drain pan is plate shaped;
One seed plate, it is the disc-shaped structure of an indent, the outer circumference of described seed plate inboard is to being provided with a circle boss, described boss is fitted on the described drain pan rotationally, form a chamber between described seed plate female parts and the described drain pan, described boss circumferentially is arranged at intervals with some big young half-cone grooves down suitable for reading, and each described groove and described drain pan are fitted and formed some nest eyes;
One similar semicircle division board, it is fixed on the described drain pan, and sink in the described chamber between described seed plate female parts and the described drain pan, the outer rim of described division board is arranged on the inside edge of described boss, be used to block the also seed of the described nest intraocular of delivery, the center of circle of described division board and the center of circle of described seed plate are overlapping;
One power transmission shaft, one end are fixedly connected on the described seed plate, and the other end passes described division board and the bearing that is connected on the described drain pan, is used to connect dynamical system;
One air admission hole, it is arranged on the described drain pan of described division board initiating terminal, and the part passes described division board initiating terminal, is connected with an air inlet pipe on the described air admission hole;
One sowing port, it is arranged on the described drain pan of described division board end below;
One enters kind of a hole, its be arranged on adjacent with described sowing port and the described drain pan away from described division board one side on, describedly advance on kind of the hole to be connected with a seed input pipe.
2. seed filling type corn precise seeder in a kind of mechanical strength combination as claimed in claim 1, it is characterized in that: the described boss on the described seed plate is the stairstepping boss, described stairstepping boss comprises convex platform and lower convex platform, the necking end of described half-cone groove closes at the top of described lower convex platform, and the bottom of described lower convex platform and each corresponding position of described half-cone groove are provided with half cylindrical groove; Described convex platform and described drain pan are fitted and are assembled, and form an inlet between each described half-cone groove and the described drain pan and are semicircular half-cone nest eye, and described half-cone nest intraocular only can hold 1~2 seed.
3. seed filling type corn precise seeder in a kind of mechanical strength combination as claimed in claim 1 is characterized in that: the described drain pan that is positioned at described air admission hole one side is provided with a hairbrush that is used to clear up seed.
4. seed filling type corn precise seeder in a kind of mechanical strength combination as claimed in claim 2 is characterized in that: the described drain pan that is positioned at described air admission hole one side is provided with a hairbrush that is used to clear up seed.
5. as seed filling type corn precise seeder in claim 1 or 2 or the 3 or 4 described a kind of mechanical strength combinations, it is characterized in that: the air admission hole of described drain pan is provided with a flange, and described air inlet pipe is connected on the inlet suction port of described flange.
6. as seed filling type corn precise seeder in claim 1 or 2 or the 3 or 4 described a kind of mechanical strength combinations, it is characterized in that: described seed input pipe is welded on the described drain pan.
7. seed filling type corn precise seeder in a kind of mechanical strength combination as claimed in claim 5, it is characterized in that: described seed input pipe is welded on the described drain pan.
CN 201010291949 2010-09-26 2010-09-26 Mechanical/pneumatic combined internal-charging type precision corn seed sowing device Active CN102027825B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010291949 CN102027825B (en) 2010-09-26 2010-09-26 Mechanical/pneumatic combined internal-charging type precision corn seed sowing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010291949 CN102027825B (en) 2010-09-26 2010-09-26 Mechanical/pneumatic combined internal-charging type precision corn seed sowing device

Publications (2)

Publication Number Publication Date
CN102027825A true CN102027825A (en) 2011-04-27
CN102027825B CN102027825B (en) 2013-04-10

Family

ID=43881709

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201010291949 Active CN102027825B (en) 2010-09-26 2010-09-26 Mechanical/pneumatic combined internal-charging type precision corn seed sowing device

Country Status (1)

Country Link
CN (1) CN102027825B (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102356716A (en) * 2011-09-18 2012-02-22 吉林大学 Inner filling type corn seed-metering device
CN102511224A (en) * 2011-12-15 2012-06-27 中国农业大学 Pneumatic bucket wheel type precision corn seeder
CN102577716A (en) * 2012-03-20 2012-07-18 中国农业大学 Air suction and mechanical auxiliary planting combined type corn precision seed-metering device and seed metering method thereof
CN102792808A (en) * 2012-09-11 2012-11-28 东北农业大学 Vertical seed-metering disc capable of utilizing gravities for seed filling
CN103004338A (en) * 2012-12-13 2013-04-03 中国农业大学 Air power collecting and discharging type precision seed sowing device
CN103444324A (en) * 2013-09-18 2013-12-18 中国农业大学 Internal air inflation blowing type precise corn seed metering device
CN103503612A (en) * 2013-09-11 2014-01-15 中国农业大学 Airflow disturbance precision seed sowing device
CN106561123A (en) * 2016-10-19 2017-04-19 杨晨超 Funnel-like seed sowing device and application thereof
CN109247102A (en) * 2018-11-20 2019-01-22 河北农业大学 A kind of duplicate rows is from stirring wheat feed mechanism for seed
CN110149848A (en) * 2019-06-27 2019-08-23 石河子大学 A kind of strength mechanical combined type feed mechanism for seed
CN110199632A (en) * 2019-05-21 2019-09-06 华中农业大学 Positive pressure combined seed-sowing mechanism is filled in one kind
CN112930790A (en) * 2021-04-02 2021-06-11 山东理工大学 Seed pushing and air blowing combined high-speed precision seed metering device
CN115152372A (en) * 2022-09-02 2022-10-11 中国农业大学 Rotary suction-assisting type double-row precision seed sowing device
CN115606347A (en) * 2022-11-22 2023-01-17 安徽农业大学 Pneumatic seed sowing device with self-aligning floating seed plate and seeder

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2187869Y (en) * 1993-09-23 1995-01-25 河北农业大学 Vertical disc seeding apparatus with inside seed filling
CN2575950Y (en) * 2002-10-29 2003-10-01 刘宏新 Hole precision seeding machine of side feeding and gravity seed-clearing disc type
CN2593534Y (en) * 2002-12-30 2003-12-24 王新生 Seed contained feeder
CN201081891Y (en) * 2007-07-12 2008-07-09 侯国义 Gas intaking type forced seeding precision hole seeding device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2187869Y (en) * 1993-09-23 1995-01-25 河北农业大学 Vertical disc seeding apparatus with inside seed filling
CN2575950Y (en) * 2002-10-29 2003-10-01 刘宏新 Hole precision seeding machine of side feeding and gravity seed-clearing disc type
CN2593534Y (en) * 2002-12-30 2003-12-24 王新生 Seed contained feeder
CN201081891Y (en) * 2007-07-12 2008-07-09 侯国义 Gas intaking type forced seeding precision hole seeding device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《农业工程学报》 20030331 廖庆喜等 玉米水平圆盘精密排种器型孔的研究 109-113 1-7 第19卷, 第2期 2 *

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102356716A (en) * 2011-09-18 2012-02-22 吉林大学 Inner filling type corn seed-metering device
CN102511224A (en) * 2011-12-15 2012-06-27 中国农业大学 Pneumatic bucket wheel type precision corn seeder
CN102577716A (en) * 2012-03-20 2012-07-18 中国农业大学 Air suction and mechanical auxiliary planting combined type corn precision seed-metering device and seed metering method thereof
CN102577716B (en) * 2012-03-20 2013-11-27 中国农业大学 Air suction and mechanical auxiliary planting combined type corn precision seed-metering device and seed metering method thereof
CN102792808A (en) * 2012-09-11 2012-11-28 东北农业大学 Vertical seed-metering disc capable of utilizing gravities for seed filling
CN102792808B (en) * 2012-09-11 2015-10-21 东北农业大学 Gravity can be utilized to fill the vertical seeding disk of planting
CN103004338A (en) * 2012-12-13 2013-04-03 中国农业大学 Air power collecting and discharging type precision seed sowing device
CN103503612A (en) * 2013-09-11 2014-01-15 中国农业大学 Airflow disturbance precision seed sowing device
CN103444324A (en) * 2013-09-18 2013-12-18 中国农业大学 Internal air inflation blowing type precise corn seed metering device
CN106561123A (en) * 2016-10-19 2017-04-19 杨晨超 Funnel-like seed sowing device and application thereof
CN109247102A (en) * 2018-11-20 2019-01-22 河北农业大学 A kind of duplicate rows is from stirring wheat feed mechanism for seed
CN109247102B (en) * 2018-11-20 2024-02-09 石家庄学院 Double-row self-stirring wheat seed sowing device
CN110199632A (en) * 2019-05-21 2019-09-06 华中农业大学 Positive pressure combined seed-sowing mechanism is filled in one kind
CN110199632B (en) * 2019-05-21 2021-05-25 华中农业大学 Internal filling positive pressure combined seed sowing device
CN110149848A (en) * 2019-06-27 2019-08-23 石河子大学 A kind of strength mechanical combined type feed mechanism for seed
CN112930790A (en) * 2021-04-02 2021-06-11 山东理工大学 Seed pushing and air blowing combined high-speed precision seed metering device
CN112930790B (en) * 2021-04-02 2022-06-03 山东理工大学 Seed pushing and air blowing combined high-speed precision seed metering device
CN115152372A (en) * 2022-09-02 2022-10-11 中国农业大学 Rotary suction-assisting type double-row precision seed sowing device
CN115152372B (en) * 2022-09-02 2022-11-08 中国农业大学 Rotary suction-assisting type double-row precision seed sowing device
CN115606347A (en) * 2022-11-22 2023-01-17 安徽农业大学 Pneumatic seed sowing device with self-aligning floating seed plate and seeder
CN115606347B (en) * 2022-11-22 2024-02-27 安徽农业大学 Pneumatic seed metering device with self-aligning floating seed tray and seeder

Also Published As

Publication number Publication date
CN102027825B (en) 2013-04-10

Similar Documents

Publication Publication Date Title
CN102027825B (en) Mechanical/pneumatic combined internal-charging type precision corn seed sowing device
CN102577716A (en) Air suction and mechanical auxiliary planting combined type corn precision seed-metering device and seed metering method thereof
RU2015119518A (en) PNEUMATIC DISPLAY DISPENSER WITH DIRECTIVE SOCKET FLOW
CN104541696B (en) Air suction metering device
CN106612785B (en) Combined hole type seed sowing device with adjustable sowing quantity
CN106105510A (en) A kind of Anti-inclining spoon formula corn precise quatity feed run and seed feeding method thereof
CN106576518A (en) Mechanical and air suction combined seed metering device
CN102511224A (en) Pneumatic bucket wheel type precision corn seeder
CN103749049A (en) Internal seed filled pneumatic line type accurate seed sowing device
CN102763511B (en) Adjustable smart seed-fetching device and tunable precision dibbler
CN106211878A (en) Formula seeder is filled out in one
CN103988612B (en) A kind of automatic ration for precision drill is for kind of a device
CN104982127B (en) It is applicable to the strength cup spoon formula precise seeder of Rhizoma Solani tuber osi
CN104380890A (en) Composite bucket wheel seeding device with variable vessel
CN203279491U (en) Spoon-type grain precision drilling seed-metering seeding device
CA2880320A1 (en) Seed disk for planting canola with a vacuum meter planter
CN205546496U (en) Arrange fertile seed metering device
CN104322183B (en) Opposed pair of disc type seeder tilts
CN203801252U (en) Novel seed metering device
CN114568074B (en) Free space corn seed planter
CN202310545U (en) Pneumatic centralized seed sowing device
CN103918386B (en) Segmentation lamination combined type multifunctional precise seed-metering device
CN102356715B (en) Pneumatic centralized seed metering device
CN201015275Y (en) Mechanical type vertical circular disc precision seed-fetching device
CN203723037U (en) Mechanical pneumatic combined type corn precision seed metering device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant