CN206879401U - A kind of air-aspiration type precision hill-drop drill single devices - Google Patents
A kind of air-aspiration type precision hill-drop drill single devices Download PDFInfo
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- CN206879401U CN206879401U CN201720334700.3U CN201720334700U CN206879401U CN 206879401 U CN206879401 U CN 206879401U CN 201720334700 U CN201720334700 U CN 201720334700U CN 206879401 U CN206879401 U CN 206879401U
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Abstract
The utility model provides a kind of air-aspiration type precision hill-drop drill single devices,Including sowing rotary drum and press mold circle,Sowing rotary drum is bolted to connection with press mold circle,Installation cavity is provided with through the axle center of sowing rotary drum,Divider is sequentially provided with the side away from press mold circle is concentric in installation cavity,Seed taking disc and internal gear negative pressure device,Divider,Installation cavity is divided into point kind of a room by seed taking disc and internal gear negative pressure device successively,Negative pressure chamber and drive chamber,The first hollow main shaft is provided with through the axle center of divider and seed taking disc,One end of first hollow main shaft is located on the outside of divider and is connected with air,The other end is sequentially communicated breather pipe and ventilation elbow,The outlet side of ventilation elbow is connected by deflation block with seed taking disc,Point kind of an indoor kind grain is adsorbed on kind of hole is taken by the suction function of negative pressure chamber,And negative pressure is lost when passing through fixed block and carries out seeding,And the gearratio of seed taking disc and sowing rotary drum is arranged to 1:2, negative pressure loss is reduced, kind grain discharge is accurate.
Description
Technical field
The utility model belongs to technical field of agricultural mechanical equipment, more particularly, to a kind of air-aspiration type precision hill-drop drill monomer
Equipment.
Background technology
Air-aspiration type precision planter due to its have seed casting point is low, bed is smooth for kind, Grain distribution uniformly, kind it is deep consistent and
Emerge the advantages that neat, be becoming increasingly popular on agricultural seeder, still, existing air-aspiration type precision planter has following ask
Topic, 1, the gearratio of existing seed taking disc and roller be 1:3, because the diameter of seed taking disc is small, takes kind of hole more, and gearratio
Greatly, therefore given every cave takes kind of pitch of holes too small, causes the kind grain number in every cave inaccurate；2nd, due to taking kind of a hole mistake on seed taking disc
It is more, easily there is air pressure throughput and largely lose, cause the absorption kind grain on seed taking disc insecure, cause grain or arrange in advance
Kind, so as to cavitation problem occur；3rd, in terms of transmission, because whole gears are exposed in roller, because its periphery has 22 groups of kinds
Device mounting hole is planted, every group there are 4 holes of different sizes, in use most 8 groups of holes of installation, and remaining is exposed, rolls during work
Cylinder rotation brings soil dust into drums inside, causes gear and bearing wear serious, faults frequent, and equipment life is short；4th, seed taking disc
Pattern now can only the bulky grain crop such as maize planting class, sunflower class, the melon, beans of seed, if the little particle crop such as plantation cereal or
Person will go wrong when planting more an of cave；5th, existing seeding mode is held one's breath seeding using magnet, but in running
In, the not seeding within the seeding time, negative pressure is so incensed that less than elimination, and seed is scraped by force using seed scraping device, when causing cannot be guaranteed seeding
Between, and scrape phenomena such as seed easily causes card seed, broken seed by force and occur.
The content of the invention
Problem to be solved in the utility model is to provide a kind of uniform, seed taking disc kind grain absorption jail accurate per cave kind grain number
Gu, the air-aspiration type precision hill-drop drill single devices that service life of equipment is long, applied widely.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of air-aspiration type precision hill-drop drill list
Body equipment, including sowing rotary drum and press mold circle, the sowing rotary drum is bolted to connection with the press mold circle, through described
The axle center of sowing rotary drum is provided with installation cavity, and in the side away from the press mold circle, concentric be sequentially provided with point is planted in the installation cavity
Device, seed taking disc and internal gear negative pressure device, the divider, seed taking disc and internal gear negative pressure device divide the installation cavity successively
Kind of a room, negative pressure chamber and a drive chamber are divided into point, the first hollow main shaft is provided with through the axle center of the divider and seed taking disc, described the
One end of one hollow main shaft is located on the outside of the divider and is connected with air, and is connected with axis head nut, the axis head nut
Compression spring is arranged with the first hollow main shaft between the divider, the other end of first hollow main shaft is located at institute
State in negative pressure chamber, and be sequentially communicated breather pipe and ventilation elbow, the outlet side of the ventilation elbow is taken by deflation block with described
Discharge plate is connected, and deflation block spring is arranged with the ventilation elbow, and the deflation block is located at the seed taking disc lower end, and with it is described
Longitudinal diameter of seed taking disc is in 15 °, and the both ends of the seed taking disc are fixedly connected with the internal gear negative pressure device, the seed taking disc
It is connected by clutch shaft bearing with first hollow main shaft, the seed taking disc is provided with and takes kind of a hole, described to take kind of a hole to enclose in a ring
Arrangement, the distance for taking the center of seed taking disc described in the centre-to-centre spacing in kind of hole be 75mm, the deflation block be located at described in take kind of a hole
Circumference on, it is described to take the connection of kind of hole described point of kind of room and negative pressure chamber, through the internal gear negative pressure device and the axle of press mold circle
The heart is provided with the second hollow main shaft, and the diameter of second hollow main shaft is more than the diameter of first hollow main shaft, and described second
The side of hollow main shaft is tightly connected in the negative pressure chamber with first hollow main shaft, and is provided with and is inhaled at sealed connection
Stomata, the negative pressure chamber are connected by suction hole with second hollow main shaft, and the internal gear negative pressure device passes through the second axle
Hold and be connected with second hollow main shaft, sealing ring is provided between the internal gear negative pressure device and second hollow main shaft,
Include gear flange, gear fixed arm, clutch shaft bearing gear and second bearing gear in the drive chamber, the sowing rotary drum and
Press mold circle is connected with the gear flange, and the gear flange is connected by 3rd bearing with second hollow main shaft, described
Gear fixed arm is fixed on second hollow main shaft by tight fixed bolt, the clutch shaft bearing gear and second bearing gear
It is fixed on by pin bolt on the gear fixed arm, the clutch shaft bearing gear engages with the gear flange, described
Second bearing gear engages with the clutch shaft bearing gear and internal gear negative pressure device respectively, the clutch shaft bearing gear and second
The number of gears of Bearing gear is equal, and the ratio of the number of gears of the gear flange and the number of gears of the internal gear negative pressure device is
1:2。
Further, the divider connects plants case by seed spout, and the plants case is provided with kind of a case lid, the divider
It is provided with and adjusts seed device, the tune seed device includes adjusting seed plate, bearing pin, adjust seed spring and adjusting seed bolt, and the tune seed plate passes through institute
State hinge to be connected on the divider, the tune seed bolt is connected through the tune seed plate with nut, the tune seed spring
It is set on the nut and the tune seed bolt adjusted between seed plate.
Further, the sowing rotary drum is provided with multiple planters, and the side of the planter is connected with tower spring, described
Planter is connected by leading kind of box and regulating tank with the seed taking disc, and described lead is provided with adjustment hole relatively on kind of box and regulating tank,
Kind of box and the regulating tank of leading is fixed by adjustment hole bolt.
Further, the seed taking disc both sides are respectively equipped with discharge plate gland and discharge plate fixed seat, the seed taking disc, discharge plate pressure
Lid is fixedly connected with discharge plate fixed seat, and is connected by clutch shaft bearing with first hollow main shaft.
Further, the seed taking disc is provided with seed dividing plate, and the seed dividing plate is indoor positioned at described point kind.
Further, side relative with the deflation block on the seed taking disc is provided with cleaning brush.
Further, the adjacent press mold circle is sequentially provided with round nut and sowing pull bar, institute on second hollow main shaft
State sowing pull bar to be bolted on second hollow main shaft by upper fixed seat and lower fixed seat, second hollow main shaft
End connection pumping elbow, it is described pumping elbow be connected with air extractor.
Further, the structure for taking kind of hole can be single hole, diplopore, three holes, four holes, five holes or seven apertures in the human head.
Further, the number of the suction hole is not more than 6, a diameter of 10mm-12mm of suction hole.
Further, the 3rd bearing is single facer bearing.
Compared with prior art, the utility model has the advantage that is with beneficial effect：
1st, the utility model will take kind of pore size distribution to increase the spacing taken between kind of hole on a diameter of 150mm circumference,
And by the way that the gearratio of seed taking disc and sowing rotary drum is adjusted to 1:2, it ensure that on the basis of compared with close steps, increase takes kind
The distance between hole, the problems such as efficiently solving kind of grain number inaccurate, hole, improve the accuracy of sowing；
2nd, the utility model forms point kind of room in the both sides of seed taking disc and negative pressure chamber, negative pressure chamber are sequentially communicated by suction hole
Second hollow main shaft, pumping elbow and air extractor, are adsorbed kind of grain on kind of hole is taken by the suction function of negative pressure chamber, when taking
When kind hole is reached at deflation block, it is connected with atmospheric pressure, loses suction function, is carried out seeding process, pass through the phase interworking of positive/negative-pressure
Close, and by less gearratio, reduce the atmospheric pressure lost of negative pressure chamber, avoid seeding in advance or fall the phenomenon generation of kind；
3rd, the utility model takes kind of a hole by different structure, can adapt to the particle crop of all size, meanwhile, it is capable to
Meet the requirement in more an of cave, use range is wide；
4th, the utility model is bolted, structure by that will lead kind of box and regulating tank by adjustment hole bolt connection
Simply, convenient disassembly, relative adjustment can be carried out to leading kind of box and regulating tank according to the requirement of different spacing in the rows, disclosure satisfy that various
The spacing in the rows requirement of plant, it is not necessary to integral replacing is carried out to sowing rotary drum, it is applied widely, it is easy to use.
Brief description of the drawings
Fig. 1 is a kind of structural representation of air-aspiration type precision hill-drop drill single devices of the utility model.
Fig. 2 is enlarged drawing at B in Fig. 1.
Fig. 3 is the structural representation in E-E sections in Fig. 1.
Fig. 4 is drive mechanism schematic diagram in drive chamber.
Fig. 5 is to lead the adjustment structure schematic diagram that kind of box and regulating tank change according to spacing in the rows.
Fig. 6 is the structural representation for taking kind of hole.
Fig. 7 is the attachment structure schematic diagram of the first hollow main shaft and the second hollow main shaft.
Fig. 8 is the structural representation of Section A-A in Fig. 7.
In figure：1- sowing rotary drums；2- press mold circles；3- bolts；4- dividers；5- seed taking discs；6- internal gear negative pressure devices；7-
Divide kind of a room；8- negative pressure chamber；The hollow main shafts of 9- first；10- axis head nuts；11- compression springs；12- breather pipes；13- ventilation elbows；
14- deflation blocks；15- clutch shaft bearings；16- takes kind of a hole；The hollow main shafts of 17- second；18- suction holes；19- second bearings；20- is sealed
Circle；21- gear flanges；22- gear fixed arms；23- clutch shaft bearing gears；24- second bearing gears；25- 3rd bearings；26-
Tight fixed bolt；27- delivery pipes；28- plants cases；29- kind case lids；30- adjusts seed plate；31- bearing pins；32- adjusts seed spring；33- adjusts seed bolt；
34- planters；35- tower springs；36- leads kind of a box；37- regulating tanks；38- adjustment holes；39- discharge plate glands；40- discharge plate fixed seats；41-
Seed dividing plate；42- cleaning brush；43- round nuts；44- sows pull bar；45- upper fixed seats；46- lower fixed seats；47- is evacuated elbow；
48- pin bolts；49- deflation block springs.
Embodiment
Specific embodiment of the present utility model is elaborated below in conjunction with the accompanying drawings.
As Figure 1-Figure 8, a kind of air-aspiration type precision hill-drop drill single devices, including sowing rotary drum 1 and press mold circle 2, broadcast
Kind roller 1 is fixedly connected with press mold circle 2 by bolt 3, is provided with installation cavity through the axle center of sowing rotary drum 1, installation cavity is interior remote
The side of tripping film circle 2 is concentric to be sequentially provided with divider 4, seed taking disc 5 and internal gear negative pressure device 6, divider 4, seed taking disc 5
Installation cavity is divided into point kind of room 7, negative pressure chamber 8 and a drive chamber successively with internal gear negative pressure device 6, through divider 4 and takes kind
The axle center of disk 5 is provided with the first hollow main shaft 9, is arranged with bearing spacer on the first hollow main shaft 9, negative pressure chamber 8 is played certain
Dustproof effect, one end of the first hollow main shaft 9 is located at the outside of divider 4 and is connected with air, and is connected with axis head nut 10, axle
Compression spring 11 is arranged with the first hollow main shaft 9 between head nut 10 and divider 4, divider 4 is compressed, not
In the case of influenceing the rotation of seed taking disc 5, divider 4 and seed taking disc 5 are completely embedded, ensure that point sealing of kind of room 7 is good, the
The other end of one hollow main shaft 9 is located in negative pressure chamber 8, and is sequentially communicated breather pipe 12 and ventilation elbow 13, ventilation elbow 13
Outlet side is connected by deflation block 14 with seed taking disc 5, and deflation block spring 49 is arranged with elbow 13 of ventilating, and deflation block 14, which is located at, to be taken
The lower end of discharge plate 5, and be in 15 ° with longitudinal diameter of seed taking disc 5, kind grain are rotated to negative pressure is lost at deflation block, with freely falling body speed
Seeding is spent to regulating tank, and row's grain precision is high, and the both ends of seed taking disc 5 are fixedly connected with the internal gear negative pressure device 6, seed taking disc 5
It is connected by clutch shaft bearing 15 with the first hollow main shaft 9, seed taking disc 5 is provided with and takes kind of hole 16, takes kind of hole 16 to enclose arrangement in a ring,
The distance for taking the center of the centre-to-centre spacing seed taking disc 5 in kind of hole 16 is 75mm, that is, takes kind of hole 16 to be located on a diameter of 150mm circumference,
Increase and take spacing between kind of hole 16, the problems such as efficiently solving inaccurate kind of grain number, hole, deflation block 14 is positioned at taking kind of a hole
On 16 circumference, the connection point kind room 7 of kind of hole 16 and negative pressure chamber 8 are taken, is set through the axle center of internal gear negative pressure device 6 and press mold circle 2
There is the second hollow main shaft 17, bearing spacer is arranged with the second hollow main shaft 17, the diameter of the second hollow main shaft 17 is more than first
The diameter of hollow main shaft 9, the side of the second hollow main shaft 17 is tightly connected in negative pressure chamber 8 with the first hollow main shaft 9, and is surrounded
Suction hole 18 is provided with sealed connection, negative pressure chamber 8 is connected by suction hole 18 with the second hollow main shaft 9, internal gear negative pressure device 6
It is connected, is provided between the hollow main shaft 17 of internal gear negative pressure device 6 and second close with the second hollow main shaft 17 by second bearing 19
Seal 20, the sealing property of negative pressure chamber is effectively ensured, includes gear flange 21, gear fixed arm 22, clutch shaft bearing in drive chamber
Gear 23 and second bearing gear 24, sowing rotary drum 1 and press mold circle 2 are connected with gear flange 21, and gear flange 21 passes through the 3rd
Bearing 25 is connected with the second hollow main shaft 9, and gear fixed arm 22 is fixed on the second hollow main shaft 9 by tight fixed bolt 26, the
One Bearing gear 23 and second bearing gear 24 are fixed on gear fixed arm 22 by pin bolt 48, clutch shaft bearing gear
23 engage with gear flange 21, and second bearing gear 24 engages with clutch shaft bearing gear 23 and internal gear negative pressure device 6 respectively, the
One Bearing gear 23 is equal with the number of gears of second bearing gear 24, the number of gears and the internal gear negative pressure device 6 of gear flange 21
The number of gears ratio be 1:2, i.e., the gearratio of seed taking disc 5 and sowing rotary drum 1 is adjusted to 1:2, reduce negative pressure Indoor Air
The loss of pressure, kind grain absorption is firm, improves the accuracy of sowing.
Further, divider 4 connects plants case 28 by seed spout 27, and plants case 28, which is provided with, plants a case lid 29, on divider 4
Provided with seed device is adjusted, adjust seed device to include adjusting seed plate 30, bearing pin 31, adjust seed spring 32 and adjusting seed bolt 33, adjust seed plate 30 to pass through pin
Axle 31 is hingedly connected on divider 4, adjusts seed bolt 33 through adjusting seed plate 30 be connected with nut, tune seed spring 32 be set in nut and
Adjust on the tune seed bolt 33 between seed plate 30.
Further, sowing rotary drum 1 is provided with multiple planters 34, and the side of planter 34 is connected with tower spring 35, works as kind
When planting 34 contact perpendicular to the ground of device, tower spring 35 controls planter 34 to open, and kind grain is entered in ground by planter 34, is planted
Plant device 34 to connect with seed taking disc 5 by leading kind of box 36 and regulating tank 37, lead and be provided with adjustment hole relatively on kind of box 36 and regulating tank 37
38, lead kind of box 36 and regulating tank 37 and fixed by the bolt of adjustment hole 38, is bolted, simple in construction, convenient disassembly, can be with
Relative adjustment is carried out to leading kind of box 36 and regulating tank 37 according to the requirement of different spacing in the rows, disclosure satisfy that the spacing in the rows of various plants will
Ask, it is not necessary to integral replacing is carried out to sowing rotary drum 1, it is applied widely, it is easy to use.
Further, the both sides of seed taking disc 5 are respectively equipped with discharge plate gland 39 and discharge plate fixed seat 40, seed taking disc 5, discharge plate gland
39 are fixedly connected with discharge plate fixed seat 40, and are connected by clutch shaft bearing 15 with the first hollow main shaft 9.
Further, seed taking disc 5 is provided with seed dividing plate 41, and seed dividing plate 41 plays pine nut effect in point kind of room 7.
Further, side relative with deflation block 14 on seed taking disc 5 is provided with cleaning brush 42, when seed passes through deflation block 14
When, and air joint, suction function is lost, carry out seeding, during seeding, seed can will be miscellaneous on seed by cleaning brush 42
Matter is disposed.
Further, adjacent press mold circle 2 is sequentially provided with round nut 43 and sowing pull bar 44, sowing on the second hollow main shaft 17
Pull bar 44 is bolted on the second hollow main shaft 17 by upper fixed seat 45 and lower fixed seat 46, the end of the second hollow main shaft 17
Portion's connection pumping elbow 47, pumping elbow are connected with air extractor (not shown).
Further, the structure for taking kind of hole 16 can be single hole, diplopore, three holes, four holes, five holes or seven apertures in the human head, can adapt to
The particle crop of all size, meanwhile, it is capable to meet the requirement in more an of cave, use range is wide.
Further, the number of suction hole 18 is not more than 6,18 a diameter of 10mm-12mm of suction hole.
Further, 3rd bearing 25 is single facer bearing, simple in construction, easy for installation.
The course of work of the present utility model is：Equipment is connected with haulage gear by sowing pull bar, by kind to be sowed
Grain is put into plants case, when haulage gear drives equipment walking by sowing pull bar, press mold circle and sowing rotary drum and ground friction
Rotation 2 weeks, seed taking disc is driven to rotate 1 week by the drive mechanism in drive chamber, by reducing between sowing rotary drum and seed taking disc
Gearratio, reduce the loss of negative pressure room pressure, kind grain absorption is firm, the accuracy of sowing is improved, on seed taking disc
Take kind of hole to be located on a diameter of 150mm circumference, add the spacing taken between kind of hole, ensure the accurate of sowing kind grain number
Property.
During seeding, atmospheric pressure is communicated at deflation block by the first hollow main shaft, and air extractor connects with pumping elbow
Connect, the air in negative pressure chamber is suctioned out by suction hole, makes to form negative pressure in negative pressure chamber, by suction function, negative pressure chamber is with taking
Discharge plate synchronous rotary takes kind, and kind grain absorption loses negative-pressure sucking, seeding is arrived on kind of hole is taken when taking kind of a hole to rotate at deflation block
Regulating tank, when sowing rotary drum rotation 1 week, contact perpendicular to the ground through planter, planter is opened, and kind grain is existed by leading kind of a box
Put at planter in ground.
Can be according to the planting conditions of different types of kind grain, selection takes the type in kind of hole, seed taking disc is changed, real
Existing more an of cave.
According to the requirement of different spacing in the rows, the regulation of relative position is carried out to leading kind of box and regulating tank by adjustment hole, can
Meet the spacing in the rows requirement of various plants, it is not necessary to integral replacing is carried out to sowing rotary drum, it is applied widely, it is easy to use.
One embodiment of the present utility model is described in detail above, but the content is only of the present utility model
Preferred embodiment, it is impossible to be considered as being used to limit practical range of the present utility model.It is all to be made according to present utility model application scope
Equivalent change with improve etc., all should still belong within patent covering scope of the present utility model.
Claims (10)
1. a kind of air-aspiration type precision hill-drop drill single devices, including sowing rotary drum and press mold circle, the sowing rotary drum and the pressure
Film circle is bolted to connection, it is characterised in that：Installation cavity is provided with through the axle center of the sowing rotary drum, in the installation cavity
Divider, seed taking disc and internal gear negative pressure device are sequentially provided with the side away from the press mold circle is concentric, the divider,
The installation cavity is divided into point kind of room, negative pressure chamber and a drive chamber by seed taking disc and internal gear negative pressure device successively, through described point
The axle center of kind of device and seed taking disc is provided with the first hollow main shaft, one end of first hollow main shaft be located at divider outside and
Air is connected, and is connected with axis head nut, is arranged on the first hollow main shaft between the axis head nut and the divider
There is compression spring, the other end of first hollow main shaft is located in the negative pressure chamber, and is sequentially communicated breather pipe and ventilates curved
Head, the outlet side of the ventilation elbow are connected by deflation block with the seed taking disc, and deflation block is arranged with the ventilation elbow
Spring, the deflation block are located at the seed taking disc lower end, and are in 15 ° with longitudinal diameter of the seed taking disc, the seed taking disc
Both ends are fixedly connected with the internal gear negative pressure device, and the seed taking disc is connected by clutch shaft bearing and first hollow main shaft
Connect, the seed taking disc is provided with and takes kind of a hole, described to take kind of hole to enclose arrangement in a ring, described to take seed taking disc described in the centre-to-centre spacing in kind of hole
The distance at center be 75mm, the deflation block is taken on the circumference in kind of hole positioned at described, described to take described point of kind of room of kind of hole connection
And negative pressure chamber, it is provided with the second hollow main shaft, the second hollow master through the axle center of the internal gear negative pressure device and press mold circle
The diameter of axle is more than the diameter of first hollow main shaft, the side of second hollow main shaft in the negative pressure chamber with it is described
First hollow main shaft is tightly connected, and is provided with suction hole at the sealed connection, and the negative pressure chamber passes through suction hole and described the
Two hollow main shafts are connected, and the internal gear negative pressure device is connected by second bearing with second hollow main shaft, the internal tooth
Sealing ring is provided between wheel negative pressure device and second hollow main shaft, includes gear flange in the drive chamber, gear is fixed
Arm, clutch shaft bearing gear and second bearing gear, sowing rotary drum and the press mold circle are connected with the gear flange, the gear
Flange is connected by 3rd bearing with second hollow main shaft, and the gear fixed arm is fixed on described by tight fixed bolt
On two hollow main shafts, the clutch shaft bearing gear and second bearing gear are fixed on the gear fixed arm by pin bolt
On, the clutch shaft bearing gear engages with the gear flange, the second bearing gear respectively with the clutch shaft bearing gear
Engaged with internal gear negative pressure device, the number of gears of the clutch shaft bearing gear and second bearing gear is equal, the gear flange
The ratio of the number of gears of the number of gears and the internal gear negative pressure device be 1:2.
A kind of 2. air-aspiration type precision hill-drop drill single devices according to claim 1, it is characterised in that：The divider leads to
Seed spout connection plants case is crossed, the plants case is provided with kind of a case lid, and the divider, which is provided with, adjusts seed device, the tune seed device bag
Including and adjust seed plate, bearing pin, adjust seed spring and adjust seed bolt, the tune seed plate is connected on the divider by the hinge,
The tune seed bolt is connected through the tune seed plate with nut, and the tune seed spring is set between the nut and the tune seed plate
Tune seed bolt on.
A kind of 3. air-aspiration type precision hill-drop drill single devices according to claim 1, it is characterised in that：The sowing rotary drum
Multiple planters are provided with, the side of the planter is connected with tower spring, and the planter is by leading kind of box and regulating tank and institute
State seed taking disc connection, it is described lead on kind of box and regulating tank it is relative be provided with adjustment hole, it is described to lead kind of box and regulating tank passes through adjustment hole
Bolt is fixed.
A kind of 4. air-aspiration type precision hill-drop drill single devices according to claim 1, it is characterised in that：The seed taking disc two
Side is respectively equipped with discharge plate gland and discharge plate fixed seat, and the seed taking disc, discharge plate gland are fixedly connected with discharge plate fixed seat, and passed through
Clutch shaft bearing is connected with first hollow main shaft.
A kind of 5. air-aspiration type precision hill-drop drill single devices according to claim 1, it is characterised in that：On the seed taking disc
Provided with seed dividing plate, the seed dividing plate is indoor positioned at described point kind.
A kind of 6. air-aspiration type precision hill-drop drill single devices according to claim 1, it is characterised in that：On the seed taking disc
The side relative with the deflation block is provided with cleaning brush.
A kind of 7. air-aspiration type precision hill-drop drill single devices according to claim 1, it is characterised in that：Described second is hollow
The adjacent press mold circle is sequentially provided with round nut and sowing pull bar on main shaft, and the sowing pull bar passes through upper fixed seat and lower fixation
Seat is bolted on second hollow main shaft, the end connection pumping elbow of second hollow main shaft, and the pumping is curved
Head is connected with air extractor.
A kind of 8. air-aspiration type precision hill-drop drill single devices according to claim 1, it is characterised in that：Kind of the hole of taking
Structure can be single hole, diplopore, three holes, four holes, five holes or seven apertures in the human head.
A kind of 9. air-aspiration type precision hill-drop drill single devices according to claim 1, it is characterised in that：The suction hole
Number is not more than 6, a diameter of 10mm-12mm of suction hole.
A kind of 10. air-aspiration type precision hill-drop drill single devices according to claim 1, it is characterised in that：3rd axle
Hold as single facer bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720334700.3U CN206879401U (en) | 2017-03-31 | 2017-03-31 | A kind of air-aspiration type precision hill-drop drill single devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720334700.3U CN206879401U (en) | 2017-03-31 | 2017-03-31 | A kind of air-aspiration type precision hill-drop drill single devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206879401U true CN206879401U (en) | 2018-01-16 |
Family
ID=61329131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720334700.3U Expired - Fee Related CN206879401U (en) | 2017-03-31 | 2017-03-31 | A kind of air-aspiration type precision hill-drop drill single devices |
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| Country | Link |
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| CN (1) | CN206879401U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108243680A (en) * | 2018-01-24 | 2018-07-06 | 东北农业大学 | Aspiration inhales kind and scoops kind of a combine precision seed-metering with machinery |
| CN114588018A (en) * | 2022-03-17 | 2022-06-07 | 许昌中医院 | Acupuncture needle conveyor that traditional chinese medical science used |
| CN116138001A (en) * | 2023-03-07 | 2023-05-23 | 四川农业大学 | Seed disturbing device of air suction type seed metering device suitable for close planting and seed metering device |
-
2017
- 2017-03-31 CN CN201720334700.3U patent/CN206879401U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108243680A (en) * | 2018-01-24 | 2018-07-06 | 东北农业大学 | Aspiration inhales kind and scoops kind of a combine precision seed-metering with machinery |
| CN108243680B (en) * | 2018-01-24 | 2021-03-12 | 东北农业大学 | Air suction seed suction and mechanical scooping combined type precision seed sowing device |
| CN114588018A (en) * | 2022-03-17 | 2022-06-07 | 许昌中医院 | Acupuncture needle conveyor that traditional chinese medical science used |
| CN116138001A (en) * | 2023-03-07 | 2023-05-23 | 四川农业大学 | Seed disturbing device of air suction type seed metering device suitable for close planting and seed metering device |
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