CN106688397A - Seeder with adjustable spreading volume and using method - Google Patents
Seeder with adjustable spreading volume and using method Download PDFInfo
- Publication number
- CN106688397A CN106688397A CN201611260303.2A CN201611260303A CN106688397A CN 106688397 A CN106688397 A CN 106688397A CN 201611260303 A CN201611260303 A CN 201611260303A CN 106688397 A CN106688397 A CN 106688397A
- Authority
- CN
- China
- Prior art keywords
- wheel
- vehicle frame
- conveying mechanism
- seeder
- spreading amount
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000010899 nucleation Methods 0.000 claims abstract description 15
- 239000002689 soil Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 abstract 5
- 238000009331 sowing Methods 0.000 description 5
- 235000017060 Arachis glabrata Nutrition 0.000 description 2
- 244000105624 Arachis hypogaea Species 0.000 description 2
- 235000010777 Arachis hypogaea Nutrition 0.000 description 2
- 235000018262 Arachis monticola Nutrition 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 235000020232 peanut Nutrition 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 240000004922 Vigna radiata Species 0.000 description 1
- 235000010721 Vigna radiata var radiata Nutrition 0.000 description 1
- 235000011469 Vigna radiata var sublobata Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000021374 legumes Nutrition 0.000 description 1
- 235000021184 main course Nutrition 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/066—Devices for covering drills or furrows
Abstract
The invention relates to a seeder with an adjustable spreading volume and a using method. The seeder comprises a frame and a traveling mechanism arranged on the frame, wherein the front end of the frame is connected with a front armrest; a plurality of groups of ditching devices, seeding devices and ditch filling devices are sequentially mounted on the frame from the front to the rear; each group of the seeding devices comprises a seed discharging box and a rotatable conveying mechanism; each seed discharging box is arranged on the upper side of the frame, and a through hole is formed in the bottom of the seed discharging box; each conveying mechanism is arranged on the lower side of the frame and connected with the bottom of the seed discharging box; a plurality of grooves are formed in the conveying mechanisms; and in the conveying mechanism rotating process, the grooves can be sequentially in matched connection with the through holes in the bottom of the seed discharging boxes. According to the plurality of groups of ditching devices, seeding devices and ditch filling devices, the seeder disclosed by the invention is capable of simultaneously performing multi-path seeding, the process is simplified, the labor intensity is alleviated, the operating efficiency is improved, and the seeder is wide in application range.
Description
【Technical field】
The invention belongs to agricultural sowing facility field, and in particular to a kind of adjustable seeder of spreading amount and application method.
【Background technology】
Peanut, rape and other legume crops, are generally planted, and traditional planting patterns is：Using manually rising
Ditched on ridge or digged pit, seed is sprinkled at certain intervals in ditch or hole, be earthed in the most backward ditch for excavating, complete to broadcast
Kind, but its operation is excessive, and labour intensity is big, and efficiency is low；And the regulation of seed consumption full armrest, often skewness.
【The content of the invention】
It is an object of the invention to overcome problems of the prior art, there is provided a kind of adjustable seeder of spreading amount and
Application method, can reduce labour intensity, and regulation seed spreading amount.
In order to achieve the above object, the present invention is adopted the following technical scheme that：
Walking mechanism including vehicle frame and on vehicle frame, vehicle frame front end connection before handrail, on vehicle frame from front to back according to
It is secondary that some groups of ditching devices, seeding apparatus are installed and ditch device is filled out；Wherein, every group of seeding apparatus includes putting kind of case and can
The conveying mechanism of rotation, puts kind of case installed in vehicle frame upside and bottom opens up through hole, conveying mechanism be arranged on vehicle frame downside and with
Kind of a case bottom connection is put, several grooves are further opened with conveying mechanism, in conveying mechanism rotation process, groove can be successively
Coordinate with the through hole in kind of bottom portion of putting and connect.
Further, ditching device includes being arranged on several opening blades on the downside of vehicle frame.
Further, fill out ditch device include be arranged on the downside of vehicle frame several backfill plates, each backfill plate with its before
Side opening blade yawing moment conversely, and each backfill plate least significant end it is higher than the least significant end of opening blade；Each backfill plate
Moved to the Yi Ce Transverse of opening blade yawing moment.
Further, put kind of case and vehicle frame upside is fixedly mounted on by kind of a case fixed mount；It is provided with for adjusting in groove
Save the drawing and pulling type baffle plate of depression volume.
Further, conveying mechanism includes the motor on vehicle frame, and the output shaft of motor passes through belt and band
Wheel is connected, and belt wheel is arranged on driving shaft, and the first double chain wheel is provided with driving shaft, and vehicle frame downside is also equipped with the second double-strand
Wheel, the first double chain wheel is connected by chain and the second double chain wheel, and chain is through connecting plate connection by two chains
Into groove is arranged between adjacent connecting plate.
Further, the motor base for placing motor is fixed with vehicle frame；It is placed with vehicle frame and motor
Connected battery.
Further, it is provided with the S/CO being connected with motor on preceding handrail；At the rear portion of preceding handrail, vehicle frame
On be additionally provided with seat and pedal.
Further, walking mechanism includes three wheels, and two of which wheel is arranged on both ends of main drive shaft；Another wheel
Installed in the downside of preceding handrail.
Further, wheel includes cincture, spoke and wheel bar；Wherein, wheel bar includes some and is distributed in radial pattern；
The every outer end of wheel bar connects a cincture by bearing respectively, and the middle part for taking turns bar is fixedly connected with spoke, and the inner of wheel bar is
It is connected with bearing.
The technical scheme of application method of the present invention is：Comprise the following steps：
A) adjustment ditching device and the position of ditch device is filled out, makes the surface on the ridge that the bottom of ditching device has been less than,
Fill out on the surface on the ridge that ditch device has been located at；
B) walking mechanism and conveying mechanism are started, ditching device ditched automatically, conveying mechanism is rotated and thereon recessed
Groove can one by one with put kind of the through hole in bottom portion and connect, seed is automatically fallen into groove, conveying mechanism turn to slot opening to
Under position when, seed is fallen into the ditch held successfully, by fill out ditch device backfill soil, complete sowing.
Compared with prior art, the present invention has following beneficial technique effect：
The present invention drives overall seeder to move by setting walking mechanism；Direction is controlled by preceding handrail；By setting
Some groups of ditching devices, seeding apparatus and ditch device is filled out, can simultaneously carry out multichannel sowing, effectively improve efficiency；By setting
Kind of case and the conveying mechanism that can be rotated are put, seed is put into kind of case is put, after conveying mechanism is rotated, groove thereon can be by
One connects with kind of the through hole in bottom portion is put, in being connected to seed and falling into the ditch that ditching device is held successfully after rotation, finally by filling out
Ditch device backfills soil, and the present invention can greatly simplify operation, effectively reduce labor intensity, and improves operating efficiency；The scope of application
Extensively.
Further, opening blade and backfill plate cooperate in the present invention, can efficiently accomplish the mistake of trench digging and backfill
Journey, and the least significant end of backfill plate is higher than the least significant end of opening blade, and the seed quilt sowed effectively is prevented while backfill is ensured
Backfill strip is walked.
Further, the present invention in by setting drawing and pulling type baffle plate, can adjusting grooves volume, can preferably adjust and spread
Cloth amount.
Further, sowed using double chain wheel and chain in the present invention, speed is uniform.
Further, wheel is also mounted at both ends of main drive shaft in the present invention so that seeding apparatus and wheel are synchronous axial system,
Ensure that sowing is synchronous controllable.
Further, when the structure of wheel is walked in soil in the present invention, running into hardened soil block can quickly cross over
Formula passes through, it is to avoid jolt, and effectively prevents seed to be spread to outside ditch.
【Brief description of the drawings】
Fig. 1 is front view of the invention；
Fig. 2 is top view of the invention；
Fig. 3 (a) is the front view of frame of the present invention, and Fig. 3 (b) is the top view of frame of the present invention；
Fig. 4 (a) is the front view that the present invention puts kind of case, and Fig. 4 (b) is the side view for putting kind of case, and Fig. 4 (c) puts kind of a case
Top view；
Fig. 5 is the structural representation of seeding apparatus of the present invention；
Fig. 6 is the left view of chain of the present invention and sprocket wheel；
Fig. 7 is chain top view of the present invention；
Fig. 8 (a) is the structural representation for backfilling plate, and Fig. 8 (b) is the structural representation of opening blade, and Fig. 8 (c) is trench digging
Blades and the distribution schematic diagram for backfilling plate；
Fig. 9 (a) is the front view of wheel of the present invention, and Fig. 9 (b) is the top view of wheel.
Wherein：1- vehicle frames, 2- puts kind of a case, 3- kind case fixed mounts, 4- batteries, 5- seats, handrail before 6-, 7- pedals, 8-
Opening blade, 9- double chain wheels, 10- chains, 11- motor, 12- belts, 13- backfill plates, 14- lag bolts, 15- speed controls
System switch, 16- wheels, 17- belt wheels, 18- stay bolts, 19- driving shafts；
1-1 is motor base；10-1 is groove, and 10-2 is connecting plate；16-1 is cincture, and 16-2 is spoke, and 16-3 is
Wheel bar.
【Specific embodiment】
The present invention is described in further details below in conjunction with the accompanying drawings.
Referring to Fig. 1, Fig. 2, Fig. 3 (a) and Fig. 3 (b), the present invention includes vehicle frame 1 and the walking mechanism on vehicle frame 1,
What vehicle frame 1 was selected is that square tube consolidation is formed, and handrail 6 before the connection of the front end of vehicle frame 1 installs some groups successively from front to back on vehicle frame 1
Ditching device, seeding apparatus and fill out ditch device.The motor base 1-1 for placing motor 11 is fixed with vehicle frame 1；Vehicle frame
The battery 4 being connected with motor 11 is placed with 1.The S/CO being connected with motor 11 is provided with preceding handrail 6
15.Seat 5 and pedal 7 are additionally provided with the rear portion of preceding handrail 6, vehicle frame 1.
Referring to Fig. 4 (a) to Fig. 4 (c), every group of seeding apparatus includes putting kind of case 2 and the conveying mechanism that can be rotated, and puts
Plant case 2 to be connected with the kind case fixed mount 3 for being fixed in the upside of vehicle frame 1 by lag bolt 14, and put the bottom of kind of case 2 and open up through hole,
Referring to Fig. 5 to Fig. 7, conveying mechanism includes the motor 11, double chain wheel 9 and the chain 10 that are arranged on vehicle frame 1
Deng, the output shaft of motor 11 is connected by belt 12 with belt wheel 17, belt wheel 17 be arranged on driving shaft 19 on, on driving shaft 19 pacify
Equipped with the first double chain wheel 9, the downside of vehicle frame 1 is also equipped with the second double chain wheel, and the first double chain wheel 9 passes through chain 10 and second pair
Sprocket wheel is connected, and double chain wheel is formed through sleeve consolidation by two sprocket wheels, and chain 10 is connected through several by two chains
Fishplate bar 10-2 is formed by connecting, and groove 10-1 is set between adjacent connecting plate 10-2.Chain 10 be located at the downside of vehicle frame 1 and with
The bottom connection of kind of case 2 is put, in conveying mechanism rotation process, groove 10-1 can coordinate with the through hole for putting the bottom of kind of case 2 successively
Connect.The drawing and pulling type baffle plate for adjusting grooves volume is provided with groove 10-1.
Referring to Fig. 8 (a) to Fig. 8 (c), ditching device includes being arranged on several opening blades 8 of the downside of vehicle frame 1；Fill out ditch
Device includes being arranged on several backfill plates 13 of the downside of vehicle frame 1, and each backfill plate 13 is installed with the opening blade 8 in front of it
In the opposite direction, and each backfill plate 13 least significant end it is higher than the least significant end of opening blade 8, usually higher than trench digging depth, than
Such as 3~15cm, both can adjusting position as needed；Each backfill plate 13 is to the Yi Ce Transverse of the yawing moment of opening blade 8
Move, stagger with the installation site of opening blade 8.Backfill plate 13 and opening blade 8 are connected by stay bolt 17 with vehicle frame 1.
Referring to Fig. 9 (a) and Fig. 9 (b), walking mechanism includes three wheels 16, and wheel 16 includes cincture 16-1, spoke
16-2 and wheel bar 16-3；Wherein, wheel bar 16-3 includes some and is distributed in radial pattern；The outer end of every wheel bar 16-3 leads to respectively
One cincture 16-1 of bearing hinge connection is crossed, the middle part of wheel bar 16-3 is fixedly connected with spoke 16-2, the inner of all wheel bar 16-3 is
It is connected with bearing；Two of which wheel 16 is arranged on the two ends of driving shaft 19；Another wheel 16 is arranged on the downside of preceding handrail 6.
The present invention for traditional seeding process operation is excessive, the problem that labour intensity is big, efficiency is low, there is provided one kind can be with
Operation is greatly simplified, is reduced labor intensity, improve the seeder implement of operating efficiency.
The present invention main course of work and principle：The seed that will first treat, such as peanut seed or mung bean kind, are put into
Plant in case 2, turn the S/CO 15 on preceding handrail 6, motor 11 is powered, driven and the first double chain wheel by belt 12
9 belt wheel 17 on same axis is rotated, while the double chain wheel 9 of belt wheel 17 and first is installed on driving shaft 19；With band
The rotation of wheel 17, is symmetrically installed with wheel 16, so that seeder of the present invention moves forward on driving shaft 19；Wheel of the present invention 16
Structure ensure that when being walked in soil that running into hardened soil block quickly great-leap-forward can pass through, and reduce running resistance.It is located at
Opening blade 8 is provided with front of seeding apparatus, the surface on the ridge that opening blade 8 has been less than its least significant end, regulation is adjusted
On the surface on the ridge that the position of backfill plate 13 has been located at.With the advance of seeder, opening blade 8 is on the ridge risen
On output a bar ditch.First double chain wheel 9 and the second double chain wheel have two respectively, each pair the first double chain wheel 9 and the second double chain wheel
Between connected by chain 10.First double chain wheel 9 drives chain 10 to move, be spaced on chain 10 it is certain away from
From fluted 10-1 is set, when groove 10-1 moves to the through hole of the bottom for putting kind of case 2 with chain 10, seed falls into
In groove 10-1, when waiting groove 10-1 to move to its position that Open Side Down, seed is just fallen into the ditch for having excavated.With sowing
The advance of machine, in the presence of plate 13 is backfilled, the soil that opening blade 8 is released is pushed into ditch again, and seed is buried, and completes to broadcast
Kind.
Claims (10)
1. the adjustable seeder of a kind of spreading amount, it is characterised in that：Vehicle with walking machine including vehicle frame (1) and on vehicle frame (1)
Structure, handrail (6) before the connection of vehicle frame (1) front end, installs some groups of ditching devices, seeding apparatus successively from front to back on vehicle frame (1)
With fill out ditch device；Wherein, every group of seeding apparatus includes putting kind of a case (2) and the conveying mechanism that can be rotated, and puts kind of a case (2) peace
Mounted in vehicle frame (1) upside and bottom opens up through hole, conveying mechanism be arranged on vehicle frame (1) downside and with put kind of a case (2) bottom connection,
Several grooves (10-1) are further opened with conveying mechanism, in conveying mechanism rotation process, groove (10-1) can successively with
The through hole cooperation for putting kind of a case (2) bottom connects.
2. the adjustable seeder of a kind of spreading amount according to claim 1, it is characterised in that：Ditching device includes being arranged on
Several opening blades (8) on the downside of vehicle frame (1).
3. the adjustable seeder of a kind of spreading amount according to claim 2, it is characterised in that：Filling out ditch device includes being arranged on
On the downside of vehicle frame (1) several backfill plate (13), each backfill plate (13) with its in front of opening blade (8) yawing moment phase
Instead, and each backfill plate (13) least significant end it is higher than the least significant end of opening blade (8)；Each backfill plate (13) is to opening blade
(8) the Yi Ce Transverse of yawing moment are moved.
4. the adjustable seeder of a kind of spreading amount according to claim 1, it is characterised in that：Kind of a case (2) is put by kind of a case
Fixed mount (3) is fixedly mounted on vehicle frame (1) upside；The drawing and pulling type gear for adjusting grooves volume is provided with groove (10-1)
Plate.
5. the adjustable seeder of a kind of spreading amount according to claim 1, it is characterised in that：Conveying mechanism includes being arranged on
Motor (11) on vehicle frame (1), the output shaft of motor (11) is connected by belt (12) with belt wheel (17), belt wheel (17) peace
On driving shaft (19), the first double chain wheel (9) is installed on driving shaft (19), vehicle frame (1) downside is also equipped with the second double-strand
Wheel, the first double chain wheel (9) is connected by chain (10) with the second double chain wheel, and chain (10) is through even by two chains
Fishplate bar (10-2) is formed by connecting, and groove (10-1) is arranged between adjacent connecting plate (10-2).
6. the adjustable seeder of a kind of spreading amount according to claim 5, it is characterised in that：Vehicle frame is fixed with use on (1)
In the motor base (1-1) for placing motor (11)；The battery (4) being connected with motor (11) is placed with vehicle frame (1).
7. the adjustable seeder of a kind of spreading amount according to claim 5, it is characterised in that：It is provided with preceding handrail (6)
The S/CO (15) being connected with motor (11)；Seat (5) is additionally provided with the rear portion of preceding handrail (6), vehicle frame (1)
With pedal (7).
8. the adjustable seeder of a kind of spreading amount according to claim 5, it is characterised in that：Walking mechanism includes three cars
Wheel (16), two of which wheel (16) is installed in driving shaft (19) two ends；Another wheel (16) is under preceding handrail (6)
Side.
9. the adjustable seeder of a kind of spreading amount according to claim 8, it is characterised in that：Wheel (16) includes cincture
(16-1), spoke (16-2) and wheel bar (16-3)；Wherein, wheel bar (16-3) includes some and is distributed in radial pattern；Every wheel
The outer end of bar (16-3) connects a cincture (16-1) by bearing respectively, and the middle part of wheel bar (16-3) is fixed with spoke (16-2)
Connection, the inner of wheel bar (16-3) is connected with bearing.
10. a kind of application method of the adjustable seeder of spreading amount as claimed in claim 1, it is characterised in that：Including following
Step：
A) adjustment ditching device and the position of ditch device is filled out, makes the surface on the ridge that the bottom of ditching device has been less than, fill out ditch
On the surface on the ridge that device has been located at；
B) walking mechanism and conveying mechanism are started, ditching device is ditched automatically, conveying mechanism is rotated and groove thereon
(10-1) can connect with the through hole for putting kind of a case (2) bottom one by one, and seed is automatically fallen into groove (10-1), be rotated in conveying mechanism
During to groove (10-1) position that Open Side Down, seed is fallen into the ditch held successfully, and soil is backfilled by filling out ditch device, completes to broadcast
Kind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260303.2A CN106688397A (en) | 2016-12-30 | 2016-12-30 | Seeder with adjustable spreading volume and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260303.2A CN106688397A (en) | 2016-12-30 | 2016-12-30 | Seeder with adjustable spreading volume and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106688397A true CN106688397A (en) | 2017-05-24 |
Family
ID=58905412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611260303.2A Pending CN106688397A (en) | 2016-12-30 | 2016-12-30 | Seeder with adjustable spreading volume and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106688397A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109716898A (en) * | 2019-03-11 | 2019-05-07 | 济南大学 | Multi-functional peanut seeder |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023509A (en) * | 1975-11-12 | 1977-05-17 | Hanson Morris R | Apparatus for planting a plurality of individual seeds in a planting furrow |
| CN1195616A (en) * | 1998-03-31 | 1998-10-14 | 刘辅华 | Special-purpose wheel for climbing footstep |
| KR20010035185A (en) * | 2001-01-12 | 2001-05-07 | 하재권 | upright type garlic sower |
| CN201153385Y (en) * | 2008-02-25 | 2008-11-26 | 李旭安 | Feeding mechanism of planter |
| KR20120129402A (en) * | 2011-05-20 | 2012-11-28 | (주) 세원에너지산업 | Seed feeder of garlic planter |
| CN203219707U (en) * | 2013-03-21 | 2013-10-02 | 武汉理工大学 | Full-automatic garlic seeder |
| CN204104311U (en) * | 2014-10-21 | 2015-01-21 | 长安大学 | A kind of ferti-seeding plough |
| CN104704953A (en) * | 2015-02-07 | 2015-06-17 | 山东农业大学 | Reseeding type potato seeding machine |
| CN204859989U (en) * | 2015-06-24 | 2015-12-16 | 刘文智 | Digitalis seeder |
| CN206341588U (en) * | 2016-12-30 | 2017-07-21 | 长安大学 | A kind of controllable seeder of seed spreading amount |
-
2016
- 2016-12-30 CN CN201611260303.2A patent/CN106688397A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023509A (en) * | 1975-11-12 | 1977-05-17 | Hanson Morris R | Apparatus for planting a plurality of individual seeds in a planting furrow |
| CN1195616A (en) * | 1998-03-31 | 1998-10-14 | 刘辅华 | Special-purpose wheel for climbing footstep |
| KR20010035185A (en) * | 2001-01-12 | 2001-05-07 | 하재권 | upright type garlic sower |
| CN201153385Y (en) * | 2008-02-25 | 2008-11-26 | 李旭安 | Feeding mechanism of planter |
| KR20120129402A (en) * | 2011-05-20 | 2012-11-28 | (주) 세원에너지산업 | Seed feeder of garlic planter |
| CN203219707U (en) * | 2013-03-21 | 2013-10-02 | 武汉理工大学 | Full-automatic garlic seeder |
| CN204104311U (en) * | 2014-10-21 | 2015-01-21 | 长安大学 | A kind of ferti-seeding plough |
| CN104704953A (en) * | 2015-02-07 | 2015-06-17 | 山东农业大学 | Reseeding type potato seeding machine |
| CN204859989U (en) * | 2015-06-24 | 2015-12-16 | 刘文智 | Digitalis seeder |
| CN206341588U (en) * | 2016-12-30 | 2017-07-21 | 长安大学 | A kind of controllable seeder of seed spreading amount |
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| Title |
|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109716898A (en) * | 2019-03-11 | 2019-05-07 | 济南大学 | Multi-functional peanut seeder |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |