CN109845459A - A kind of positive negative pressure combined type fine grain crop hill-drop feed run - Google Patents

A kind of positive negative pressure combined type fine grain crop hill-drop feed run Download PDF

Info

Publication number
CN109845459A
CN109845459A CN201910082720.XA CN201910082720A CN109845459A CN 109845459 A CN109845459 A CN 109845459A CN 201910082720 A CN201910082720 A CN 201910082720A CN 109845459 A CN109845459 A CN 109845459A
Authority
CN
China
Prior art keywords
discharge plate
negative pressure
gas chamber
hill
fine grain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910082720.XA
Other languages
Chinese (zh)
Inventor
刘军
王超
付永斌
奚玉银
刘占良
轩昆鹏
李军
王峰
任全军
顾玉章
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.)
Heibei Agricultural University
Zhangjiakou Academy Of Agricultural Sciences (hebei Arctic-Alpine Crop Institute)
Original Assignee
Heibei Agricultural University
Zhangjiakou Academy Of Agricultural Sciences (hebei Arctic-Alpine Crop Institute)
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 Heibei Agricultural University, Zhangjiakou Academy Of Agricultural Sciences (hebei Arctic-Alpine Crop Institute) filed Critical Heibei Agricultural University
Priority to CN201910082720.XA priority Critical patent/CN109845459A/en
Publication of CN109845459A publication Critical patent/CN109845459A/en
Pending legal-status Critical Current

Links

Landscapes

  • Sowing (AREA)

Abstract

The present invention provides a kind of positive negative pressure combined type fine grain crop hill-drop feed runs, are related to agricultural machinery technological field, solve the technical issues of existing feed mechanism for seed discharge plate suction hole easily blocks, influences feed mechanism for seed reliability.Positive negative pressure combined type fine grain crop hill-drop feed run includes gas chamber body, end cap, discharge plate, leads kind of a wheel assembly, driving device, transmission device, negative voltage supply device and positive pressure feeding mechanism, form gas chamber between discharge plate and gas chamber body, driving device by transmission device respectively with discharge plate and lead kind of a wheel assembly transmission connection;Gas chamber includes negative pressure chamber, zero-pressure room and plemum;When the gas pressure of plemum is when discharge plate, the tamper being adsorbed in the suction hole of discharge plate can be blown out.Gas chamber body designs a zone of positive pressure in structure, clears up discharge plate institute adsorbing contaminant, it is ensured that feed mechanism for seed absorbed seed link, discharge plate have good permeability.

Description

A kind of positive negative pressure combined type fine grain crop hill-drop feed run
Technical field
The present invention relates to agricultural machinery technological fields, arrange more particularly, to a kind of positive negative pressure combined type fine grain crop bunch planting Kind device.
Background technique
In the 21st century, using millet, rape, as the production of the fine grain crop of representative, send out by beginning to take shape, industrialization Open up pattern, but in planting process still with traditional-handwork drilling, broadcast sowing, sow with a drill based on, not only production efficiency is low, thinning work Greatly, labor intensity is high, and high labor cost, therefore promotes fine grain crop scale planting with machinery imperative.
Applicants have discovered that at least there is following technical problem in the prior art:
Mechanical planting is divided into mechanical sowing by seeding method difference at this stage and Pneumatic type is sowed;Mechanical seeder work Work is stablized, but requires height to shape of the seed and size, and seed damage ratio is big, is very easy to cause seed damage, replay and broadcast leakage. Therefore, be not suitable for the fine grain crop of the features such as partial size is small, shape difference is big, poor fluidity, epidermis damage easy to fall off.Traditional gas Power formula fine grain crop seeder, discharge plate suction hole is small, easily blocks.In addition, existing hill-drop feed run cavitation is poor, no It is able to satisfy the requirement of precise hole sowing.
Summary of the invention
The purpose of the present invention is to provide a kind of positive negative pressure combined type fine grain crop feed mechanism for seeds, to solve in the prior art The technical issues of existing discharge plate suction hole easily blocks, influences feed mechanism for seed reliability.Many technical sides provided by the invention Many technical effects elaboration as detailed below that optimal technical scheme in case can be generated.
To achieve the above object, the present invention provides following technical schemes:
A kind of positive negative pressure combined type fine grain crop feed mechanism for seed provided by the invention, including gas chamber body, end cap, discharge plate, throwing Kind of device, driving device, transmission device, negative voltage supply device and positive pressure feeding mechanism, the discharge plate be located at gas chamber body with it is described In accommodating cavity between end cap, and gas chamber is formed between the discharge plate and the gas chamber body, the driving device passes through the biography Dynamic device is sequentially connected with the discharge plate and the device of charging seed respectively;The gas chamber includes negative pressure chamber, zero-pressure room and positive pressure Room, the negative voltage supply device provide negative pressure for the negative pressure chamber, and the positive pressure feeding mechanism provides positive pressure to the plemum; When the gas pressure of the plemum is when the discharge plate, the tamper in the suction hole for being adsorbed in the discharge plate can be blown Out.
Optionally, the negative pressuren zone, the region of no pressure and the zone of positive pressure are set gradually.
Optionally, the plemum has relief hole, is provided with pneumatic control valve at the relief hole.
Optionally, the device of charging seed includes leading kind of a wheel body, backplate and cavitation baffle, and the cavitation baffle is fixed on institute It states and leads kind of a wheel body, and lead kind of wheel body and space that the backplate surrounds is divided into multiple equidistant kind of chambers for described.
Optionally, multiple cavitation baffles are detachably secured to the side for leading kind of wheel body.
Optionally, described to lead kind of wheel body and be circumferentially evenly equipped with multiple slots close to the side of the backplate, the cavitation gear Piece is plugged and fixed in the slot.
Optionally, the radial direction that multiple slots lead kind of wheel body described in opens up.
Optionally, the slot is rectangular notch.
Optionally, the revolving speed ratio range for leading kind of wheel body and the discharge plate is in 1:1~2:1.
Optionally, the transmission device is sprocket transmission device, the driving shaft of the sprocket transmission device and the discharge plate Transmission connection, the driven shaft of the sprocket transmission device and kind of the wheel body of leading are sequentially connected.
Optionally, positive negative pressure combined type fine grain crop feed mechanism for seed further includes gas chamber gasket, and the gas chamber gasket is fixed in The gas chamber body, and between the gas chamber body and the discharge plate.
Optionally, the end cap is fabricated using transparent material.
A kind of positive negative pressure combined type fine grain crop feed mechanism for seed provided by the invention, gas chamber body design a positive pressure in structure Area, the gas of zone of positive pressure act on the tamper in suction hole, carry out purging cleaning to discharge plate institute adsorbing contaminant using positive pressure, clearly Except the tamper impurity in suction hole, it is ensured that feed mechanism for seed has good permeability in absorbed seed link, discharge plate, avoids existing There is the problem of blocking of discharge plate suction hole influences feed mechanism for seed reliability and cavitation in technology.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is a kind of explosion knot for positive and negative air-pressure combined millet hill-drop feed run that the specific embodiment of the invention provides Structure schematic diagram;
Fig. 2 is a kind of structural schematic diagram for gas chamber body that the specific embodiment of the invention provides;
Fig. 3 is a kind of structural schematic diagram for end cap that the specific embodiment of the invention provides;
Fig. 4 is a kind of configuration schematic diagram for leading kind of wheel assembly that the specific embodiment of the invention provides;
Fig. 5 is that the stereochemical structure for the positive and negative air-pressure combined millet hill-drop feed run that the specific embodiment of the invention provides is shown It is intended to;
Fig. 6 is the side structure schematic view of positive and negative air-pressure combined millet hill-drop feed run in Fig. 5.
1 in figure, gas chamber body;101, positive pressure air inlet;102, positive pressure relief hole;103, positive pressure air inlet pipe;104, negative pressure into Stomata;105, negative pressure inlet pipe;106, gas chamber hanging plate;107, gas chamber mount hole;108, negative pressuren zone;109, region of no pressure;110, Zone of positive pressure;111, the area Dao Zhong;112, it charges seed area;2- gas chamber gasket;3, discharge plate;4, driven shaft;5, kind of a wheel assembly is led;501, kind is led Wheel body;502, cavitation baffle;503, kind of a wheel end cap is led;504, interior hexagonal holding screw;6, end cap;601, seed spout;602, Seed cleaning sheet;603, kind of a hole is unloaded;604, impurities outlet;605, peep hole;7, gasket;8, fixing bolt;9, bolt is connected;10, it passes Moving axis I;11, circlip for hole;12, bearing;13, holding screw;14, nut;15, drive sprocket I;16, drive sprocket II; 17, chain;18, driven sprocket;19, circlip for shaft;20, positioning pin.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work Other embodiment belongs to the range that the present invention is protected.
As shown in Fig. 1, Fig. 5 and Fig. 6, the present invention provides a kind of positive negative pressure combined type millet hill-drop feed runs, including gas Chamber body 1, end cap 6, discharge plate 3, device of charging seed, driving device, transmission device, negative voltage supply device and positive pressure feeding mechanism, discharge plate 3 In accommodating cavity between gas chamber body 1 and end cap 6, and gas chamber is formed between discharge plate 3 and gas chamber body 1, driving device passes through biography Dynamic device is sequentially connected with discharge plate 3 and device of charging seed respectively;Gas chamber includes negative pressure chamber, zero-pressure room and plemum, negative voltage supply Device provides negative pressure for negative pressure chamber, and positive pressure feeding mechanism provides positive pressure to plemum;When the gas pressure of plemum is in discharge plate 3 When, the tamper in the suction hole for being adsorbed in discharge plate 3 can be blown out.
Gas chamber body 1 designs a zone of positive pressure 110 in structure, and the gas of zone of positive pressure 110 acts on the tamper in suction hole, Purging cleaning is carried out to 3 adsorbing contaminants of discharge plate using positive pressure, removes the tamper impurity in suction hole, it is ensured that feed mechanism for seed is being inhaled Attached seed-grain link, discharge plate 3 have good permeability, avoid in the prior art 3 suction hole of discharge plate blocking influence feed mechanism for seed can The problem of by property and cavitation.
Optionally embodiment, negative pressuren zone 108, region of no pressure 109 and zone of positive pressure 110 are set gradually.
Negative pressuren zone 108, region of no pressure 109 and zone of positive pressure 110 are set gradually, convenient for control;Discharge plate 3 is first in negative pressuren zone 108 Absorbed seed, when discharge plate 3 turns to region of no pressure 109, seed is fallen under the action of gravity and centrifugal force leads kind of wheel assembly 5 In a certain cave frame, discharge plate 3 continues rotation to zone of positive pressure 110, and the positive pressure air of zone of positive pressure 110 acts on the suction hole in discharge plate 3 Guarantee the unimpeded of suction hole.
Optionally embodiment, plemum have relief hole, are provided with pneumatic control valve at relief hole.
Relief hole is set, is not in that discharge plate 3 causes it that cannot fit closely in the feelings on gas chamber gasket 2 because positive pressure is excessive Condition.
Optionally embodiment, device of charging seed are to lead kind of wheel assembly 5, and leading kind of wheel assembly 5 includes leading kind of a wheel body 501, backplate and cavitation baffle 502, cavitation baffle 502, which is fixed on, leads kind of wheel body 501, and will lead kind of wheel body 501 and backplate The space surrounded is divided into multiple equidistant kind of chambers.
Kind of a wheel is respectively led using cavitation baffle 502 realizes that the positive and negative air-pressure combined millet bunch planting charged seed quantitatively is concentrated in every cave Feed mechanism for seed reduces height of charging seed using kind of a wheel is led, reduces the instantaneous velocity of seed contact kind ditch, alleviate the random spring of seed, It can be realized the requirement of precise hole sowing cavitation.
Leading kind of wheel assembly 5 includes leading kind of wheel body 501, cavitation baffle 502, leading kind of wheel end cap 503 and an interior hexagonal clamp screw Nail;It, can be by the single seed continuously to fall with the more particle shape formulas in a cave when the discharge plate 3 for carrying seed turns to region of no pressure 109 It separates at equal intervals.Lead kind of wheel assembly 5 and design equidistant cavitation baffle conveyor chamber in structure, can correct the grain of seed away from, Improve seed cavitation and hill spacing uniformity.
Optionally embodiment, multiple cavitation baffles 502 are detachably secured to lead the side of kind of wheel body 501.
The detachable setting of cavitation baffle 502, is conveniently replaceable and safeguards.
Optionally embodiment leads kind of wheel body 501 close to the side of backplate and is circumferentially evenly equipped with multiple slots, cavitation Baffle 502 is plugged and fixed in slot.
It is plugged in cavitation baffle 502 is detachable in slot, dismounting convenience.
Optionally embodiment, multiple slots are opened up along the radial direction for leading kind of wheel body 501.
Multiple slots are opened up along the radial direction for leading kind of wheel body 501, and the distance between adjacent cavitation baffle 502 is outside by center Side gradually includes, convenient for seed enters by cavitation baffle 502, to lead the cave that kind of wheel body 501 and backplate surround intracavitary.
Optionally embodiment, slot are rectangular notch.
It leads kind of wheel body 501 and processes the rectangular notch being equally spaced, be conveniently replaceable cavitation baffle 502.
Optionally embodiment, leads kind of wheel body 501 and the rotating ratio of discharge plate 3 is adjustable, can be according to required cave Grain number is realized by chain conveyer and is adjusted, for millet hill-drop feed run, the optional 2:1 of revolving speed ratio.
It leads kind of wheel body 501 and discharge plate 3 rotates synchronously, the circulation of seed is more smooth, realizes essence amount seeding.
Optionally embodiment, transmission device are sprocket transmission device, the driving shaft and discharge plate 3 of sprocket transmission device Transmission connection, the driven shaft 4 of sprocket transmission device are sequentially connected with kind of wheel body 501 is led.
Using sprocket transmission device, stable drive, stability and high reliablity.
Discharge plate 3 rotates under the drive of driving shaft, leads kind of wheel body 501 and rotates under the drive of driven shaft 4, realizes linking Cooperation.
Optionally embodiment, positive negative pressure combined type fine grain crop feed mechanism for seed further include gas chamber gasket 2, gas chamber pad Piece 2 is fixed in gas chamber body 1, and between gas chamber body 1 and discharge plate 3.
Gas chamber gasket 2 increases the air-tightness of gas chamber, guarantees the air-tightness between negative pressure chamber and plemum, guarantees feed mechanism for seed Reliably working.
Optionally embodiment, end cap 6 are fabricated using transparent plastics material.
The case where end cap 6 is fabricated using transparent plastics material, is filled kind convenient for observation discharge plate.
The present invention provides a kind of positive and negative air-pressure combined millet hill-drop feed runs, including gas chamber body 1, gas chamber gasket 2, kind Disk 3, driven shaft 4 lead kind of wheel assembly 5, end cap 6, gasket 7, fixing bolt 8, attachment bolt 9, driving shaft 10, circlip for hole 11, bearing 12, holding screw 13, nut 14, drive sprocket I 15, drive sprocket II 16, chain 17, driven sprocket 18, axis bullet Property retaining ring 19 and positioning pin 20;
Gas chamber gasket 2 is fixedly connected with gas chamber body 1 by bonding mode, and two bearings 12 are respectively installed to 1 liang of gas chamber body In a bearing hole, in the installation to bearing hole annular groove of circlip for hole 11, driving shaft 10, driven shaft 4 pass through interference fit difference It is installed in two brearing bores up and down, in the installation to driving shaft 10,4 annular groove of driven shaft of circlip for shaft 19, drive sprocket I 15, drive sprocket II 16 is fixed to 10 right side of driving shaft by holding screw 13, and driven sprocket 18 is fixed by holding screw 13 To 4 right side of driven shaft, drive sprocket II 16, driven sprocket 18 are linked by chain 17, and 10 left side of driving shaft is matched with 3 gap of discharge plate Close, the left side of driven shaft 4 with lead 5 clearance fit of kind of wheel assembly, gasket 7, fixing bolt 8 and 4 left side top thread connection of driven shaft, Gas chamber body 1, end cap 6 are positioned by positioning pin 20 and are coupled with attachment bolt 9, nut 14.
As shown in Fig. 2, gas chamber body 1 include positive pressure air inlet 101, positive pressure relief hole 102, positive pressure air inlet pipe 103, negative pressure into Stomata 104, negative pressure inlet pipe 105, gas chamber hanging plate 106, gas chamber mount hole 107, negative pressuren zone 108, region of no pressure 109, zone of positive pressure 110, the area Dao Zhong 111 and area 112 of charging seed, wherein positive pressure air inlet pipe 103, negative pressure inlet pipe 105 are glued onto positive pressure air inlet respectively 101, the lateral wall in negative pressure inlet hole 104.
As shown in figure 4, leading kind of wheel assembly 5 includes leading kind of wheel body 501, cavitation baffle 502, leading kind wheel end cap 503 and interior Hexagonal holding screw 504;The wherein insertion of cavitation baffle 502 is led in 501 notch of kind of wheel body, and backplate 503 leads kind of wheel body 501 It is connected and fixed by interior hexagonal holding screw 504.
As shown in figure 3, end cap 6 includes seed spout 601, seed cleaning sheet 602, unloads kind of hole 603, impurities outlet 604 and peep hole 605, wherein seed spout 601 is connected to the lateral wall of end cap 6 by bonding mode.
Gas chamber body 1 divides for negative pressuren zone 108, region of no pressure 109, zone of positive pressure 110 and the area Dao Zhong 111.
Zone of positive pressure 110 includes positive pressure air inlet 101 and positive pressure relief hole 102 in gas chamber body 1.
It leads kind of wheel body 501 and is machined with rectangular notch.
The material of end cap 6 is transparent plastic.
The material of gas chamber body 1 is aluminium alloy.
Leading 501 material of kind of wheel body is rubber.
The course of work of the invention is as follows:
When work, seed enters feed mechanism for seed cavity by seed spout 601 and discharge plate 3 together constitutes with the area Chong Zhong;Negative-pressure air fan It is connected with negative pressure inlet pipe 105, together constitutes with negative pressuren zone 108 with gas chamber body 1, gas chamber gasket 2, discharge plate 3;Positive pressure fan and positive pressure Air inlet pipe 103 is connected, and together constitutes with zone of positive pressure 110 with gas chamber body 1, gas chamber gasket 2, discharge plate 3.The negative pressure of negative pressuren zone 108 passes through Suction hole in discharge plate 3, is applied to the seed of disk before discharge plate 3, and seed is adsorbed on the suction hole of discharge plate 3 under the action of negative pressure On.Drive sprocket I 15 rotates under the effect of external force, drives the driving shaft 10 being secured to, and the drive of driving shaft 10 is secured to Drive sprocket II 16, discharge plate 3;Drive sprocket II 16 drives the driven shaft 4 being fixed thereon by chain 17;4 band of driven shaft It is dynamic to lead the rotation of kind of wheel assembly 5.The seed being adsorbed on suction hole is brought to region of no pressure 109 with the rotation of discharge plate 3, due to negative pressure quilt Block, seed self gravity and centrifugal force effect under fall into lead kind of wheel assembly 5 a certain cave it is intracavitary;Seed is with leading kind of a wheel assembly It turns to area 112 of charging seed and completes seeding operation.Discharge plate 3 continues rotation to zone of positive pressure 110, and the positive pressure air of zone of positive pressure 110 acts on Keep suction hole unimpeded in the suction hole in discharge plate 3.
Feed mechanism for seed of the present invention can guarantee that the suction hole of discharge plate when negative pressure inhales kind is not blocked by sundries;By significantly The height charged seed is reduced, guarantees the accuracy charged seed, reliability;Save grain conductor, avoid during seeds fall with lead kind Seeding cavitation caused by pipe contact is uneven is poor, hill spacing non-uniform phenomenon;It can be very easily according to different seed characteristics It replaces discharge plate 3 and leads kind of a cavitation baffle 502 for wheel;And structure is simple, and easily operated, small to seed damage, cavitation is good, out Seedling rate is high.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.

Claims (10)

1. a kind of positive negative pressure combined type fine grain crop hill-drop feed run, which is characterized in that including gas chamber body, end cap, discharge plate, throwing Kind of device, driving device, transmission device, negative voltage supply device and positive pressure feeding mechanism, the discharge plate be located at gas chamber body with it is described In accommodating cavity between end cap, and gas chamber is formed between the discharge plate and the gas chamber body, the driving device passes through the biography Dynamic device is sequentially connected with the discharge plate and the device of charging seed respectively;The gas chamber includes negative pressure chamber, zero-pressure room and positive pressure Room, the negative voltage supply device provide negative pressure for the negative pressure chamber, and the positive pressure feeding mechanism provides positive pressure to the plemum; When the gas pressure of the plemum is when the discharge plate, the tamper in the suction hole for being adsorbed in the discharge plate can be blown Out.
2. a kind of positive negative pressure combined type fine grain crop hill-drop feed run according to claim 1, which is characterized in that described Negative pressuren zone, the region of no pressure and the zone of positive pressure are set gradually.
3. a kind of positive negative pressure combined type fine grain crop hill-drop feed run according to claim 1, which is characterized in that described Plemum has relief hole, is provided with pneumatic control valve at the relief hole.
4. a kind of described in any item positive negative pressure combined type fine grain crop hill-drop feed runs, feature exist according to claim 1 In the device of charging seed includes leading kind of a wheel body, backplate and cavitation baffle, and the cavitation baffle, which is fixed on kind of the wheel of leading, to be led Body, and kind of wheel body is led and space that the backplate surrounds is divided into multiple equidistant kind of chambers for described.
5. a kind of positive negative pressure combined type fine grain crop hill-drop feed run according to claim 4, which is characterized in that multiple The cavitation baffle is detachably secured to the side for leading kind of wheel body.
6. a kind of positive negative pressure combined type fine grain crop hill-drop feed run according to claim 5, which is characterized in that described It leads kind of wheel body and is circumferentially evenly equipped with multiple slots close to the side of the backplate, the cavitation baffle is plugged and fixed in the slot It is interior.
7. a kind of positive negative pressure combined type fine grain crop hill-drop feed run according to claim 6, which is characterized in that multiple The radial direction that the slot leads kind of wheel body described in opens up.
8. a kind of positive negative pressure combined type fine grain crop hill-drop feed run according to claim 4, which is characterized in that described The revolving speed ratio range of kind of wheel body and the discharge plate is led in 1:1~2:1.
9. a kind of positive negative pressure combined type fine grain crop hill-drop feed run according to claim 4, which is characterized in that described Transmission device is sprocket transmission device, and the driving shaft of the sprocket transmission device and the discharge plate are sequentially connected, and the sprocket wheel passes The driven shaft of dynamic device and kind of the wheel body of leading are sequentially connected.
10. -9 described in any item a kind of positive negative pressure combined type fine grain crop hill-drop feed runs according to claim 1, feature Be, further include gas chamber gasket, the gas chamber gasket is fixed in the gas chamber body, and be located at the gas chamber body and the discharge plate it Between.
CN201910082720.XA 2019-01-28 2019-01-28 A kind of positive negative pressure combined type fine grain crop hill-drop feed run Pending CN109845459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910082720.XA CN109845459A (en) 2019-01-28 2019-01-28 A kind of positive negative pressure combined type fine grain crop hill-drop feed run

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910082720.XA CN109845459A (en) 2019-01-28 2019-01-28 A kind of positive negative pressure combined type fine grain crop hill-drop feed run

Publications (1)

Publication Number Publication Date
CN109845459A true CN109845459A (en) 2019-06-07

Family

ID=66896594

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910082720.XA Pending CN109845459A (en) 2019-01-28 2019-01-28 A kind of positive negative pressure combined type fine grain crop hill-drop feed run

Country Status (1)

Country Link
CN (1) CN109845459A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110710361A (en) * 2019-11-15 2020-01-21 南京农业大学 Pocket wheel type seed metering device supporting accurate wheat seeding and seeding method thereof
CN110710360A (en) * 2019-11-14 2020-01-21 湖南农业大学 Rice direct seeding machine seeding method
CN111480425A (en) * 2020-04-04 2020-08-04 华中农业大学 Positive and negative air pressure combined duckbilled precision dibbler
CN111788910A (en) * 2020-08-27 2020-10-20 扬州大学 Air-suction type spiral groove wheel seed metering device
CN112020954A (en) * 2020-09-23 2020-12-04 扬州大学 Air suction spoon clamp type double-disc seed metering device
CN113767731A (en) * 2021-08-26 2021-12-10 金华市韦恩农机有限公司 Air-suction type plug seeder
CN115500116A (en) * 2022-10-26 2022-12-23 华南农业大学 Pneumatic vegetable planter suitable for ridge culture

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1376121A (en) * 1971-11-01 1974-12-04 Doggett P F Stonegathering machines
JP2009065850A (en) * 2007-09-11 2009-04-02 National Agriculture & Food Research Organization Hill seeder
CN201911028U (en) * 2010-12-23 2011-08-03 黑龙江德沃科技开发有限公司 Seed sowing device of pneumatic type vegetable seeder
CN203279491U (en) * 2013-03-11 2013-11-13 克孜勒苏柯尔克孜自治州农牧业机械技术推广站 Spoon-type grain precision drilling seed-metering seeding device
CN104541696A (en) * 2015-01-16 2015-04-29 河北农哈哈机械集团有限公司 Air suction metering device
CN204810930U (en) * 2015-07-29 2015-12-02 黑龙江德沃科技开发有限公司 Strength formula vegetable -seed planter seed metering ware
CN106612772A (en) * 2017-03-03 2017-05-10 山东农业大学 Air-suction type precision seed sowing device for vegetables
CN108207191A (en) * 2017-12-13 2018-06-29 华南农业大学 Lead the rice precise direct-seeding cavitation device of kind in a kind of side

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1376121A (en) * 1971-11-01 1974-12-04 Doggett P F Stonegathering machines
JP2009065850A (en) * 2007-09-11 2009-04-02 National Agriculture & Food Research Organization Hill seeder
CN201911028U (en) * 2010-12-23 2011-08-03 黑龙江德沃科技开发有限公司 Seed sowing device of pneumatic type vegetable seeder
CN203279491U (en) * 2013-03-11 2013-11-13 克孜勒苏柯尔克孜自治州农牧业机械技术推广站 Spoon-type grain precision drilling seed-metering seeding device
CN104541696A (en) * 2015-01-16 2015-04-29 河北农哈哈机械集团有限公司 Air suction metering device
CN204810930U (en) * 2015-07-29 2015-12-02 黑龙江德沃科技开发有限公司 Strength formula vegetable -seed planter seed metering ware
CN106612772A (en) * 2017-03-03 2017-05-10 山东农业大学 Air-suction type precision seed sowing device for vegetables
CN108207191A (en) * 2017-12-13 2018-06-29 华南农业大学 Lead the rice precise direct-seeding cavitation device of kind in a kind of side

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110710360A (en) * 2019-11-14 2020-01-21 湖南农业大学 Rice direct seeding machine seeding method
CN110710360B (en) * 2019-11-14 2021-10-22 湖南农业大学 Rice direct seeding machine seeding method
CN110710361A (en) * 2019-11-15 2020-01-21 南京农业大学 Pocket wheel type seed metering device supporting accurate wheat seeding and seeding method thereof
CN111480425A (en) * 2020-04-04 2020-08-04 华中农业大学 Positive and negative air pressure combined duckbilled precision dibbler
CN111788910A (en) * 2020-08-27 2020-10-20 扬州大学 Air-suction type spiral groove wheel seed metering device
CN112020954A (en) * 2020-09-23 2020-12-04 扬州大学 Air suction spoon clamp type double-disc seed metering device
CN113767731A (en) * 2021-08-26 2021-12-10 金华市韦恩农机有限公司 Air-suction type plug seeder
CN115500116A (en) * 2022-10-26 2022-12-23 华南农业大学 Pneumatic vegetable planter suitable for ridge culture

Similar Documents

Publication Publication Date Title
CN109845459A (en) A kind of positive negative pressure combined type fine grain crop hill-drop feed run
CN109168453A (en) A kind of Pneumatic type feed mechanism and its strength band of application send formula essence amount dispenser
CN106612772A (en) Air-suction type precision seed sowing device for vegetables
CN102714959B (en) A kind of pneumatic type Wheat Precision Metering Device
CN104488415B (en) The non-round seed simple grain orientation precision seeder of charging seed
CN103749049B (en) Inside fill kind of a strength integrated arranging precise seeder
CN103329666A (en) Push rod-mixing disc combination type bidirectional pneumatic precise seed sowing device for rice bud seed direct sowing
CN105103736B (en) Pusher-type seed-metering device
CN101292582B (en) Air-suction air-blow drum-type rice industrial sprout cultivation planter
CN110089240A (en) In a kind of, the precise seeder of big partial size seed
CN106576518A (en) Mechanical and air suction combined seed metering device
CN208821198U (en) A kind of wheeled block clearing pneumatic drum type feed mechanism for seed
CN102771233B (en) Air-aspiration type disseminator with circumferential holes
CN201219364Y (en) Gas-absorbing tumbling-box rice-seeding apparatus
CN108093793A (en) A kind of adjustable essence of nest eye wheel type measures fertilizer apparatus of spreading manuer in holes
CN106612785A (en) Combined nest hole type seed sowing device capable of adjusting sowing amount
CN111386807B (en) Air suction blowing type electric seed sowing device
CN114271077A (en) Positive and negative pressure combined type soybean precision seed sowing device
CN107155458B (en) Air-suction type precision seeder
CN112020954A (en) Air suction spoon clamp type double-disc seed metering device
CN113287395B (en) Inclined cavity type rice precision hole sowing seed sowing device
CN106211884A (en) Synchronize low pressure circumference driven sucking precise seeder
CN202127601U (en) Vacuum adsorption type precision sowing device for plug tray seedlings
CN110583176B (en) Variable suction hole double-disc air suction type precise seed metering device
CN106612788A (en) Air-suction seed suction roller type wide-seedling-zone wheat seed sowing device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190607

RJ01 Rejection of invention patent application after publication