CN103621226B - The dibbler that scoop-wheel spacing in the rows is adjustable - Google Patents
The dibbler that scoop-wheel spacing in the rows is adjustable Download PDFInfo
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- CN103621226B CN103621226B CN201310226250.2A CN201310226250A CN103621226B CN 103621226 B CN103621226 B CN 103621226B CN 201310226250 A CN201310226250 A CN 201310226250A CN 103621226 B CN103621226 B CN 103621226B
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- seed
- seeder
- spoon
- dibbler
- end cap
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- 238000010899 nucleation Methods 0.000 claims abstract description 24
- 238000009331 sowing Methods 0.000 claims abstract description 16
- 238000011081 inoculation Methods 0.000 claims abstract description 12
- 239000003337 fertilizer Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000002362 mulch Substances 0.000 claims abstract description 5
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The dibbler that scoop-wheel spacing in the rows is adjustable, comprise by the built-in seeding unit of regulatable fertilizer applicator, the dibbler device that secondary is charged seed, to charge seed the adjustment member at phase angle, three major part compositions, on mulch film, sowing is rolled, the kind spoon of array on seeder seat is driven to rotate by axle, in seed heap in translucent cover, plant spoon and scoop several seeds, along with the rotation upwards of kind of spoon, unnecessary seed glides by deadweight, a seed in remaining kind of spoon is by the opening part of dividing plate, be brought in seeder assembly, seeder assembly and kind spoon synchronous rotary, when the seed in seeder assembly be sent to bottom once charge seed interface time, fall within secondary inoculation guide groove, store in the duckbilled falling within the dibbler device that secondary is charged seed after turning over 270 ° of angles more temporarily, continue to forward to duckbilled when burying, seed is thereupon precise and stable to be placed on kind of bed, reach precise hole sowing process.
Description
Technical field
The present invention relates to the dibbler that a kind of scoop-wheel spacing in the rows is adjustable, belong to the technical field of agricultural machinery aspect.
Background technology
Known technology, as China Patent No.: 201020102161.9 " planting spoon formula mechanical precision dibbler " is installed with Moving plate by bearing on dibbler axle, the periphery of Moving plate is fixedly mounted with sowing circle and platen, the planting mouth that sowing circle is uniform is installed with sowing duckbilled respectively, dibbler axle is fixedly mounted with the price fixing matched with Moving plate, the uniform seed guiding groove that outer end opening is set in the card of getting Moving plate outside kind of spoon dish, get uniform installation on kind of spoon dish to get kind of spoon corresponding with seed guiding groove, what be fixedly mounted with in price fixing coil end is getting kind between spoon and seed guiding groove every kind of dish, form deposit kind of a room by get kind of spoon dish and price fixing every kind of dish and Moving plate, every kind of the top of dish, seeding breach is being set.During sowing, seed is transported to dibbler seed inlet by kind of a pipe the seed of kind of case, enters into and deposits kind of indoor, ensures that depositing kind of indoor has a certain amount of seed.This seeder rolls on the ground, drives Moving plate, gets kind of spoon and seed guiding groove rotation.When getting kind of spoon by the seed zone of depositing middle room, seed is picked up by the endless belt Xing Zhong district formed every kind of dish bottom and price fixing by getting kind of spoon.When getting the seeding breach that kind of spoon forwards to every kind of dish top, get kind of spoon not every kind of an obstruct for dish, at this moment seed drops in seed guiding groove by deadweight.When this seed guiding groove goes to below, under the guiding of seed guiding groove, seed enters into dibbler sowing duckbilled, and dibbler is rotated further, and sowing duckbilled enters movable nozzle in soil and opens, and seed falls in hole, soil cave and carried out seeding operation.
As China Patent No.: " a kind of Combined type seed dish of spacing in the rows can be changed " of 201020102162.3, comprise Moving plate, affixedly on Moving plate get kind of a spoon dish, get kind of a spoon locating slot getting uniform setting in kind of the card of spoon dish, the periphery getting Moving plate card outside kind of spoon dish is arranged and combines by the seed guiding groove block of uniform arrangement the Combined type seed dish formed, seed guiding groove block arranges seed guiding groove, the bottom surface of seed guiding groove arranges screw hole, screw hole one_to_one corresponding on the screw hole of uniform setting on Moving plate card disc and Combined type seed dish on each seed guiding groove block seed guiding groove bottom surface, uniform seed guiding groove block is fixed in Moving plate card respectively by screw.The utility model is affixed Combined type seed dish on Moving plate, and Combined type seed dish is fixed in Moving plate card by the seed guiding groove block of uniform arrangement by screw respectively, and every block seed guiding groove block arranges seed guiding groove respectively.
As China Patent No.: a kind of replaceable seed taking disc getting kind of spoon of 201020102158.7, comprise the Moving plate of mechanical precision hill-drop drill, Moving plate is arranged and gets kind of a spoon dish, get in kind of the card of spoon dish uniform arrange opening outwardly get kind of a spoon locating slot, uniform get kind of spoon locating slot is installed with respectively by screw removablely get kind of a spoon, uniform in the card of getting Moving plate outside kind of spoon dish opening seed guiding groove is outwardly set, gets kind of spoon locating slot and seed guiding groove one_to_one corresponding.Owing to getting the getting on kind of spoon locating slot of uniform setting on kind of spoon dish at Moving plate, be installed with respectively and removablely get kind of a spoon, get kind of spoon and match with the seed guiding groove of uniform setting in Moving plate card.In sowing work, rotate Moving plate drive and get kind of a spoon rotation, forward kind of the bale-out of getting getting kind of position to obtain seed follower disk and rotate and go upward to planting mouth and fall in corresponding seed guiding groove, the seed guiding groove carrying seed when Moving plate goes to the below of seeder, seed relies on deadweight to fall into sowing duckbilled along seed guiding groove, is sown in soil pit.
Above patent all adopts axle stationary device, has not both had accurate secondary to charge seed mechanism, has not also had seeds fall to arrive the phase angle guiding mechanism of bunch planting duckbilled.
Summary of the invention
The problem that the present invention solves is the deficiency overcoming the existence of original dibbler, provides the dibbler that a kind of scoop-wheel spacing in the rows is adjustable.
The dibbler that scoop-wheel spacing in the rows is adjustable, by the built-in seeding unit of regulatable fertilizer applicator, the dibbler device that secondary is charged seed, charge seed phase angle adjustment member composition, on mulch film, sowing is rolled, it is characterized in that: drive the kind spoon of array on seeder seat to rotate by axle, in seed heap in translucent cover, plant spoon and scoop several seeds, along with the rotation upwards of kind of spoon, unnecessary seed glides by deadweight, a seed in remaining kind of spoon is by the opening part of dividing plate, be brought in seeder assembly, seeder assembly and kind spoon synchronous rotary, when the seed in seeder assembly be sent to bottom once charge seed interface time, fall within secondary inoculation guide groove, store in the duckbilled falling within the dibbler device that secondary is charged seed after turning over 270 ° of angles more temporarily, continue to forward to duckbilled when burying, seed is thereupon precise and stable to be placed on kind of bed, complete precise hole sowing process, the dibbler device that secondary is charged seed comprises secondary inoculation guide groove and duckbilled, described secondary inoculation guide groove ringwise, has the opening portion corresponding with duckbilled and closure in its ring part array distribution, there is secondary seed inlet in its ring part side array distribution, in the edge of secondary seed inlet, be provided with seed baffle, in closure, be also provided with seed baffle, the seed baffle in described closure is located in the guide groove of side bottom duckbilled, together with the bolted of the dibbler device array distribution that the end cap at adjustable phase angle, end cap and secondary are charged seed, after arc hole on the end cap at adjustable phase angle and end cap seat regulate, the angle of secondary seed inlet is changed, reasonably inoculated orientation.
The built-in seeding unit of described regulatable fertilizer applicator adjustable: be when plant strain is apart from when needing to change, as: plant strain is apart from when changing to every meter of six strain by every meter of four strains.The dibbler device that kind spoon, seeder assembly, secondary are charged seed also needs to change restructuring.
In the seeder unit shell of the built-in seeding unit of regulatable fertilizer applicator, be provided with bearing chamber, two bearings in bearing chamber are provided with axle, and two bearing jump ring blocks; Be provided with pad A at the middle part of two bearings, axle and bearing and seeder seat bolt are fixed; One end of axle is by the hole in the middle part of pad B and end cap seat, and key connects rear fastening nuts; In the guide groove of seeder seat end face, array distribution is provided with two to 18 kind spoons and fixes with stove bolt, more fastening with compression spiral shell dish, and seeder assembly bolt is fastened on the cylindrical of seeder seat with kind spoon one to one; Index plate is connected to dormant bolt on the chassis of seeder seat simultaneously, and dividing plate is placed between kind of spoon and seeder assembly by seeder unit shell; Translucent cover is fastened on seeder unit shell, is provided with connector, seeding accuracy adjustment hole in the edge of seeder unit shell, once charges seed interface; Connector is provided with seeder unit shell fixing hole, and seeder unit shell fixing hole is connected with seeder frame by bolt; Loose pin is provided with, loose pin and seeding accuracy adjustment hole activity orientation in the edge of dividing plate.
The seeding accuracy adjustment hole that the loose pin of edge setting of dividing plate and the edge of seeder unit shell are arranged is used for regulating the seed amount on kind of spoon; Loose pin is timing more upwards, and the seed that kind spoon scoops is fewer; Loose pin is more to downward, and the seed that kind spoon scoops is more.
To charge seed the adjustment member at phase angle: the end cap at the dibbler device of being charged seed by end cap seat, secondary, end cap, arc hole, adjustable phase angle forms; On the face of the end cap at adjustable phase angle, array distribution has arc hole, and the end cap at adjustable phase angle is fixed on end cap seat by arc hole.
Structure of the present invention is simple, add secondary charge seed mechanism and seeds fall to bunch planting duckbilled phase angle guiding mechanism while, adopt housing to fix on the securing means, be so more conducive to the rigidity and the durability that improve bunch planting assembly, make its work more stable.
Accompanying drawing explanation
Fig. 1 is that master of the present invention looks overall structure figure;
Fig. 2 is the backsight overall structure figure of Fig. 1;
Fig. 3 is the overall structure figure after Fig. 1 removes translucent cover (1);
Fig. 4 is the sectional structure chart of the built-in seeding unit of regulatable fertilizer applicator of the present invention;
Fig. 5 is the secondary dibbler device of charging seed and the cutaway view of the adjustment member at phase angle of charging seed;
Fig. 6 is seeder assembly (9) structure chart of Fig. 3 or Fig. 4;
Fig. 7 is the another direction structure figure of Fig. 6;
Fig. 8 is the structure chart of the kind spoon (2) of Fig. 3 or Fig. 4;
Fig. 9 is the another direction structure figure of Fig. 8.
In figure: 1 translucent cover, 2 kinds of spoons, 3 compress spiral shell dish, 4 seeder unit shells, 5 axles, 6 seeder seats, 7 bearings, 8 seeder unit shell fixing holes, 9 seeder assemblies, 10 index plates, 11 nuts, 12 pad A, 13 jump rings, 14 end cap seats, 15 dividing plates, the end cap at 16 adjustable phase angles, 17 end caps, 18 seeding accuracy adjustment holes, 19 once charge seed interface, 20 secondary inoculation guide grooves, 21 arc holes, 22 duckbilleds, 23 seed inlets, 24 connectors, the dibbler device of charging seed for 25 2 times, 26 2 seed inlets, 27 seed baffles, 28 pad B.
Embodiment
The dibbler that scoop-wheel spacing in the rows is adjustable, is made up of three major parts: the built-in seeding unit of A. regulatable fertilizer applicator, and the dibbler device 25, C. that B. charges seed for bis-times is charged seed the adjustment member at phase angle.
The dibbler that scoop-wheel spacing in the rows is adjustable, when mulch film rolls, the kind spoon 2 on seeder seat 6 is driven to rotate by axle 5, plant spoon 2 in seed heap, scoop several seeds, along with kind of spoon 2 upwards turn to certain angle time, unnecessary seed glides by deadweight, a seed only in remaining kind of spoon 2 is by the opening part of dividing plate 15, be brought in seeder assembly 9, seeder assembly 9 and kind spoon 2 synchronous rotary, when the seed in seeder assembly 9 be sent to bottom once charge seed interface 19 time, fall within secondary inoculation guide groove 20, along with dibbler device as shown in Figure 5, rotate, store in the duckbilled 22 falling into corresponding dibbler device after turning over 270 ° of angles temporarily, continue to forward to duckbilled 22 when burying, seed is thereupon precise and stable to be placed on kind of bed, complete whole simple grain precise hole sowing process.
The built-in seeding unit of described regulatable fertilizer applicator adjustable: be when plant strain is apart from when needing to change, as: plant strain is apart from when changing to every meter of six strain by every meter of four strains.The dibbler device 25 that kind spoon 2, seeder assembly 9, secondary are charged seed also needs to change restructuring.
As shown in Fig. 2, Fig. 4, Fig. 5, the built-in seeding unit of regulatable fertilizer applicator, the seed sowed, when falling in seed guiding groove 20, if having deviation with duckbilled 22, carries out the adjustment at phase angle by arc hole 21 as shown in Figure 2.
As shown in Figure 4, in the seeder unit shell 4 of the built-in seeding unit of regulatable fertilizer applicator, be provided with bearing chamber, in two bearings 7 in bearing chamber, axle 5 be installed; Two bearing 7 overcoat both sides jump rings 13 in bearing chamber block.In in the middle of two bearings 7, cover is provided with pad A12.Axle 5 is fixed with bolt with seeder seat 6 by the bearing 7 in seeder unit shell 4, and the other end of axle 5 is by the hole in the middle part of pad B28 and end cap seat 14, fastening with nut 11 after key connects.In the guide groove of seeder seat 6 end face, according to the spacing in the rows of seed, two to 18 kind spoons 2 can be installed as required, plant spoon 2 array distribution in the guide groove of rounded seeder seat 6 end face, and fix with stove bolt, fastening with compressing spiral shell dish 3 again, thus improve the stability of kind of spoon 2.Seeder assembly 9 bolt and kind spoon 2 are fastened on the cylindrical of seeder seat 6 one to one; Index plate 10 is connected to dormant bolt on the chassis of seeder seat 6 simultaneously, and the dividing plate 15 of adjustable seeding accuracy is placed between kind of spoon 2 and seeder assembly 9 by seeder unit shell 4; The translucent cover 1 of high strength, is fastened on seeder unit shell 4.Be provided with connector 24, seeding accuracy adjustment hole 18 in the edge of seeder unit shell 4, once charge seed interface 19.Connector 24 is provided with seeder unit shell fixing hole 8, and seeder unit shell fixing hole 8 is connected with seeder frame by bolt.
As shown in Figure 1, Figure 2, Figure 5, the dibbler device 25 that secondary is charged seed comprises secondary inoculation guide groove 20 and duckbilled 22.Described secondary inoculation guide groove 20 ringwise, has the opening portion corresponding with duckbilled 22 and closure in its ring part array distribution.There is secondary seed inlet 26 in its ring part side array distribution, have seed baffle 27 at secondary seed inlet 26.In closure, be provided with seed baffle, described baffle plate is located in the guide groove 20 of side bottom duckbilled 22.
As shown in Fig. 2, Fig. 5, the adjustment member at phase angle of charging seed: the end cap 16 at the dibbler device 25 of being charged seed by end cap seat 14, secondary, end cap 17, arc hole 21, adjustable phase angle forms.On the face of the end cap 16 at adjustable phase angle, array distribution has arc hole 21, and the end cap 16 at adjustable phase angle is fixed on end cap seat 14 by arc hole 21.End cap 16, the end cap 17 at adjustable phase angle are used together with the bolted of array distribution with the dibbler device 25 that secondary is charged seed.After arc hole 21 and end cap seat 14 regulate, the angle of secondary seed inlet 26 is changed, reasonably inoculated orientation.
As shown in Fig. 2, Fig. 5, the adjustment member at the dibbler device 25 that secondary is charged seed and phase angle of charging seed, when mulch film rolls, seeder seat 6 is driven to rotate by axle 5, translucent cover 1 is provided with seed inlet 23, seed is undertaken filling kind by seed inlet 23, plant spoon 2 and scoop several seeds, along with kind of spoon 2 upwards turn to certain angle time, unnecessary seed glides by deadweight, a seed only in surplus kind of spoon 2 is brought to the top of dish, is fallen in the seeder assembly 9 be configured in after it by the opening part of dividing plate 15.Be provided with loose pin in the edge of dividing plate 15, alignment pin and seeding accuracy adjustment hole 18 activity orientation, be used for regulating the seed on kind of spoon 2 how many.Alignment pin is timing more upwards, and the seed that kind spoon 2 scoops is fewer; Alignment pin is more to downward, and the seed that kind spoon 2 scoops is just many.Seeder assembly 9 and kind spoon 2 synchronous rotary, the seed pawned in seeder assembly 9 be sent to bottom once charge seed interface 19 time, fall in secondary inoculation guide groove 20, the adjustment member at the dibbler device of charging seed along with secondary and phase angle of charging seed turn over 270 ° of angles after fall into temporary reservoir in corresponding duckbilled 22, continue to forward to duckbilled 22 when burying, seed is thereupon precise and stable to be placed on kind of bed, completes whole simple grain precise hole sowing process.
Claims (4)
1. the dibbler that scoop-wheel spacing in the rows is adjustable, by the built-in seeding unit of regulatable fertilizer applicator, the dibbler device that secondary is charged seed, charge seed phase angle adjustment member composition, on mulch film, sowing is rolled, it is characterized in that: drive the kind spoon of array on seeder seat to rotate by axle, in seed heap in translucent cover, plant spoon and scoop several seeds, along with the rotation upwards of kind of spoon, unnecessary seed glides by deadweight, a seed in remaining kind of spoon is by the opening part of dividing plate, be brought in seeder assembly, seeder assembly and kind spoon synchronous rotary, when the seed in seeder assembly be sent to bottom once charge seed interface time, fall within secondary inoculation guide groove, store in the duckbilled falling within the dibbler device that secondary is charged seed after turning over 270 ° of angles more temporarily, continue to forward to duckbilled when burying, seed is thereupon precise and stable to be placed on kind of bed, complete precise hole sowing process, the dibbler device that secondary is charged seed comprises secondary inoculation guide groove and duckbilled, described secondary inoculation guide groove ringwise, has the opening portion corresponding with duckbilled and closure in its ring part array distribution, there is secondary seed inlet in its ring part side array distribution, in the edge of secondary seed inlet, be provided with seed baffle, in closure, be also provided with seed baffle, the seed baffle in described closure is located in the guide groove of side bottom duckbilled, together with the bolted of the dibbler device array distribution that the end cap at adjustable phase angle, end cap and secondary are charged seed, after arc hole on the end cap at adjustable phase angle and end cap seat regulate, the angle of secondary seed inlet is changed, reasonably inoculated orientation.
2. dibbler according to claim 1, is characterized in that: in the seeder unit shell of the built-in seeding unit of regulatable fertilizer applicator, be provided with bearing chamber, and two bearings in bearing chamber are provided with axle, and two bearing jump ring blocks; Be provided with pad A at the middle part of two bearings, axle and bearing and seeder seat bolt are fixed; One end of axle is by the hole in the middle part of pad B and end cap seat, and key connects rear fastening nuts; In the guide groove of seeder seat end face, array distribution is provided with two to 18 kind spoons and fixes with stove bolt, more fastening with compression spiral shell dish, and seeder assembly bolt is fastened on the cylindrical of seeder seat with kind spoon one to one; Index plate is connected to dormant bolt on the chassis of seeder seat simultaneously, and dividing plate is placed between kind of spoon and seeder assembly by seeder unit shell; Translucent cover is fastened on seeder unit shell, is provided with connector, seeding accuracy adjustment hole in the edge of seeder unit shell, once charges seed interface; Connector is provided with seeder unit shell fixing hole, and seeder unit shell fixing hole is connected with seeder frame by bolt; Loose pin is provided with, loose pin and seeding accuracy adjustment hole activity orientation in the edge of dividing plate.
3. dibbler according to claim 2, is characterized in that: the seeding accuracy adjustment hole that the loose pin of edge setting of dividing plate and the edge of seeder unit shell are arranged is used for regulating the seed amount on kind of spoon; Loose pin is timing more upwards, and the seed that kind spoon scoops is fewer; Loose pin is more to downward, and the seed that kind spoon scoops is more.
4. dibbler according to claim 1, is characterized in that: the adjustment member at phase angle of charging seed: the end cap at the dibbler device of being charged seed by end cap seat, secondary, end cap, arc hole, adjustable phase angle forms; On the face of the end cap at adjustable phase angle, array distribution has arc hole, and the end cap at adjustable phase angle is fixed on end cap seat by arc hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310226250.2A CN103621226B (en) | 2013-06-08 | 2013-06-08 | The dibbler that scoop-wheel spacing in the rows is adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310226250.2A CN103621226B (en) | 2013-06-08 | 2013-06-08 | The dibbler that scoop-wheel spacing in the rows is adjustable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103621226A CN103621226A (en) | 2014-03-12 |
| CN103621226B true CN103621226B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310226250.2A Active CN103621226B (en) | 2013-06-08 | 2013-06-08 | The dibbler that scoop-wheel spacing in the rows is adjustable |
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| CN (1) | CN103621226B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107771477A (en) * | 2016-08-30 | 2018-03-09 | 新疆天诚农机具制造有限公司 | A kind of adjustable mechanical formula precision drill |
| CN106817991A (en) * | 2017-03-14 | 2017-06-13 | 邹园 | Multifunctional sowing case and multi-functional seed-sowing machine |
| CN108551814A (en) * | 2018-03-16 | 2018-09-21 | 华中农业大学 | A kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit |
| CN108770438A (en) * | 2018-09-06 | 2018-11-09 | 梁双林 | Control the regulating device and its adjusting method of feed mechanism for seed kind spoon openings of sizes |
| CN109874461A (en) * | 2019-04-06 | 2019-06-14 | 石河子大学 | A kind of indent refers to folder combined type feed mechanism for seed |
| CN110710360B (en) * | 2019-11-14 | 2021-10-22 | 湖南农业大学 | Rice direct seeding machine seeding method |
| CN111990026B (en) * | 2020-07-22 | 2023-10-27 | 石河子大学 | Precise seed taking-throwing mechanism, mechanical seed metering device and seeding method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3982661A (en) * | 1974-12-18 | 1976-09-28 | Feltrop Floyd L | Seed planter for individual seeds |
| CN201029275Y (en) * | 2007-02-04 | 2008-03-05 | 陈立凡 | Adjustable small seed hole sowing disk |
| CN201199787Y (en) * | 2008-06-03 | 2009-03-04 | 陈立凡 | Sowing tray with variable distance modulated externally |
| CN201629979U (en) * | 2010-01-27 | 2010-11-17 | 于永良 | Seed spoon type mechanical accurate dibber |
| CN202222126U (en) * | 2011-06-21 | 2012-05-23 | 张书祥 | Air-sucking precision sowing tray capable of adjusting plant distance |
| CN202145737U (en) * | 2011-06-24 | 2012-02-22 | 吉林省蒙龙机械制造有限责任公司 | Vertical disc bucket wheel type seeding and hole-sowing device |
| CN202178950U (en) * | 2011-08-10 | 2012-04-04 | 山西省农业机械化科学研究院 | Duck bill type precision seed metering device |
| CN203327525U (en) * | 2013-06-08 | 2013-12-11 | 赵勇昌 | Bucket wheel type hill-drop planter capable of adjusting planting distance |
-
2013
- 2013-06-08 CN CN201310226250.2A patent/CN103621226B/en active Active
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| CN103621226A (en) | 2014-03-12 |
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Effective date of registration: 20160512 Address after: 062550, Hebei City, Renqiu Province discuss Fort Town Village Patentee after: Renqiu wotian Machinery Co. Ltd. Address before: 062550, Hebei, Renqiu Province discuss fort town, court No. 353, Xinzhuang Patentee before: Zhao Yongchang |