CN102742400B - Ridging laminating fertilizing seeding all-in-one machine for corns - Google Patents
Ridging laminating fertilizing seeding all-in-one machine for corns Download PDFInfo
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- CN102742400B CN102742400B CN201210266660.5A CN201210266660A CN102742400B CN 102742400 B CN102742400 B CN 102742400B CN 201210266660 A CN201210266660 A CN 201210266660A CN 102742400 B CN102742400 B CN 102742400B
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Abstract
The invention provides a ridging laminating fertilizing seeding all-in-one machine for corns. The ridging laminating fertilizing seeding all-in-one machine comprises a machine frame, a ridging portion, a fertilizing portion, a laminating portion, a seeding portion and a transmission portion, wherein the ridging portion, the fertilizing portion, the laminating portion, the seeding portion and the transmission portion are arranged on the machine frame. After a tractor is hung with the all-in-one machine, along with advancing of a machine set, arc-shaped ridges begins to be formed through the ridging portion, fertilization is performed through the fertilizing portion, a film is laminated on the ridges through the laminating portion, the film is pressed on the ridges through a film pressing portion, earth is covered on the edge of the film through an earthing portion at the back, seeds are sown through the seeding portion, pressing after seeding is achieved through a rear press wheel, operation of ridging, fertilizing, laminating, seeding and pressing is finished in one time, tillage efficiency is improved, and labor is saved.
Description
Technical field:
The present invention relates to agricultural machinery technological field, particularly a kind of corn ridging overlay film ferti-seeding all-in-one.
Background technology:
Corn is one of Three major grain crops of China, and cultivated area is large.Current most of corn drill groundwork part is made up of earthing plough, seeding unit and press wheel etc., can not be applicable to the corn planting of arid, semiarid zone, and existing corn drill can not complete ridging, overlay film, fertilising, sowing, suppression operation simultaneously, and farming efficiency is low.
Summary of the invention:
In view of this, be necessary to provide a kind of corn ridging overlay film ferti-seeding all-in-one that simultaneously completes ridging, overlay film, fertilising, sowing, suppression operation.
A kind of corn ridging overlay film ferti-seeding all-in-one, is characterized in that: comprise frame, be arranged on ridging part, fertilising part, overlay film part, sowing part and running part in frame; Frame forms " order " shape framework by square steel seam, is welded with the hanger bracket for articulating with tractor at its front end, and " order " shape framework comprises crossbeam and longeron;
Described ridging part comprises ridging plate set bolt, tie ridger fixing chuck plate, left tie ridger monomer and right tie ridger monomer, U-shaped clamp, and wherein left tie ridger monomer and right tie ridger monomer are arranged on the crossbeam of frame by U-shaped clamp and tie ridger fixing chuck plate;
Described fertilising part comprises fertilizer can side support plate, fertilizer can left plate and fertilizer can right plate, fertilizer can front and rear panel, fertilizer regulates tooth plate hold-down nut, fertilizer apparatus square shaft, fertilizer apparatus square shaft support plate, fertilizer regulates tooth plate set bolt, the fertile body of left bank and right fertilizer body, left fertilizer delivering pipe and right fertilizer delivering pipe, left fertilizer apparatus and right fertilizer apparatus, fertilizer case lid, defertilizing amount adjusting screw(rod), defertilizing amount scale plate, axial location fixed card, axial location fixed card screw, axial location fixed card nut, defertilizing amount pointer, wherein fertilizer can left plate, fertilizer can right plate, fertilizer can front and rear panel, fertilizer case lid composition fertilizer can, fertilizer can is installed together by bolt and fertilizer can side support plate, be arranged on the longeron of frame by bolt again, fertilizer can bottom is provided with fertilizer apparatus square shaft, the fertile body of left bank and right fertilizer body, left fertilizer apparatus and right fertilizer apparatus, left fertilizer delivering pipe and right fertilizer delivering pipe, under the rotary action of fertilizer apparatus square shaft, realize fertilizer,
Described overlay film part comprises pressing wheel upper boom, pressing wheel floating lever, pressing wheel fork, press mold wheel shaft, pressing wheel, pressing wheel pad, split pin, pressing wheel fixed head, swing link pin, bolt, overlay film suspension rod, overlay film fork, split pin, wherein, overlay film suspension rod is arranged on the crossbeam of frame by V-arrangement card and bolt, overlay film fork is by split pin pin joint on overlay film suspension rod, and film hangs on the side bearing pin of overlay film suspension rod; Pressing wheel upper boom is by pressing wheel fixed head and being bolted on the crossbeam of frame, pressing wheel fork passes through swing link pin pin joint on pressing wheel upper boom, pressing wheel floating lever bottom is by split pin and pressing wheel fork pin joint, split pin pin joint is also used through the straight trough of pressing wheel upper boom in top, pressing wheel is arranged on press mold wheel shaft by pressing wheel pad, split pin, and press mold wheel shaft is arranged in the hole of pressing wheel fork bottom;
Described sowing part comprises right earthing plough, right U-shaped clamp, packing ring, nut, bolt, seed-box and seeding unit, left earthing plough, left U-shaped clamp, seeding unit transmission chain cover, row spacing adjuster, four spring base set bolts, wherein, right earthing plough and left earthing plough are by right U-shaped clamp, packing ring, nut, bolt, left U-shaped clamp is arranged on the crossbeam of frame, seed-box and seeding unit are bolted and are arranged on earthing plough, press wheel and chain transmission monomer front portion are articulated on earthing plough, rear portion is by spring base set bolt, spring base set bolt, spring base set bolt and spring base set bolt are connected with earthing plough upper beam rear portion,
Described running part comprises sprocket wheel left and right position adjustments frame fixed head, bolt, press wheel and chain transmission monomer, intermediate transmission square shaft, seeding unit transmission chain cover, row spacing adjuster, seeding unit transmission square shaft, row spacing adjuster power shaft, chain transmission tensioning support, the U-shaped card of chain transmission bracket, sprocket wheel adjusting bracket fixed head, sprocket wheel adjusting bracket, bearing block, reel chain, row spacing adjuster power transmission shaft minor sprocket, fertilizer apparatus square shaft sprocket wheel, short chain, intermediate transmission square shaft sprocket wheel, row spacing adjuster power transmission shaft hinge wheel, wherein, on press wheel and chain transmission monomer, press wheel can rotate thereupon, and under the chain gearing of himself, drives intermediate transmission square shaft and intermediate transmission square shaft sprocket rotation, then passes through short chain, row spacing adjuster power transmission shaft hinge wheel drives row spacing adjuster power shaft to rotate, after row spacing adjuster speed change, rotate with seeding by the moving seeding unit transmission square shaft of seeding unit driving-chain tape, the row spacing adjuster power transmission shaft minor sprocket being arranged on row spacing adjuster power shaft drives fertilizer apparatus square shaft sprocket rotation by reel chain, to drive fertilizer square shaft to rotate and fertilizer.
Corn ridging machine for covering mulch film, fertilizing provided by the invention, comprise frame and be arranged on the ridging part in frame, fertilising part, overlay film part, sowing part and running part, by after tractor and the machine suspension, along with advancing of unit, ridging part has started arc ridge, fertilizer part fertilizer, overlay film part overlay film on ridge, press mold part overlays on thin film on ridge, the earthing part at rear portion is at film edge earthing, the sowing of seeding part, rear portion press wheel is realized suppression after planting, so once complete ridging, fertilising, overlay film, sowing, suppression operation, and then improve farming efficiency and saved labour.
Brief description of the drawings:
Fig. 1 is corn ridging machine for covering mulch film, fertilizing vertical view of the present invention.
Fig. 2 is corn ridging machine for covering mulch film, fertilizing end view of the present invention.
Fig. 3 is corn ridging machine for covering mulch film, fertilizing front view of the present invention.
In figure: frame 1, right earthing plough 2, right U-shaped clamp 3, packing ring 4, nut 5, bolt 6, fertilizer can side support plate 7, fertilizer can left plate 8, fertilizer can right plate 9, fertilizer can front and rear panel 10, pressing wheel upper boom 11, pressing wheel floating lever 12, pressing wheel fork 13, press mold wheel shaft 14, pressing wheel 15, pressing wheel pad 16, split pin 17, pressing wheel fixed head 18, ridging plate set bolt 19, fertilizer regulates tooth plate hold-down nut 20, swing link pin 21, bolt 22, sprocket wheel left and right position adjustments frame fixed head 23, overlay film suspension rod 24, overlay film fork 25, split pin 26, bolt 27, press wheel and chain transmission monomer 28, intermediate transmission square shaft 29, tie ridger fixing chuck plate 30, left tie ridger monomer 31, U-shaped clamp 32, right tie ridger monomer 33, seed-box and seeding unit 34, hanger bracket 35, left earthing plough 36, left U-shaped clamp 37, seeding unit transmission chain cover 38, row spacing adjuster 39, seeding unit transmission square shaft 40, row spacing adjuster power shaft 41, chain transmission tensioning support 42, the U-shaped card 43 of chain transmission bracket, sprocket wheel adjusting bracket fixed head 44, sprocket wheel adjusting bracket 45, bearing block 46, fertilizer apparatus square shaft 47, fertilizer apparatus square shaft support plate 48, fertilizer regulates tooth plate set bolt 49, the fertile body 50 of left bank, left fertilizer delivering pipe 51, right fertilizer delivering pipe 52, left fertilizer apparatus 54, right fertilizer body 53, right fertilizer apparatus 55, reel chain 56, row spacing adjuster power transmission shaft minor sprocket 57, fertilizer apparatus square shaft sprocket wheel 58, short chain 59, intermediate transmission square shaft sprocket wheel 60, row spacing adjuster power transmission shaft hinge wheel 61, fertilizer case lid 62, defertilizing amount adjusting screw(rod) 63, defertilizing amount scale plate 64, spring base set bolt 65, spring base set bolt 66, spring base set bolt 67, spring base set bolt 68, axial location fixed card 69, axial location fixed card screw 70, axial location fixed card nut 71, defertilizing amount pointer 72.
Embodiment:
Referring to Fig. 1 to Fig. 3, corn ridging overlay film ferti-seeding all-in-one comprises frame 1, is arranged on ridging part, fertilising part, overlay film part, sowing part and running part in frame 1.While using the farming of corn ridging overlay film ferti-seeding all-in-one, by after tractor and the machine suspension, along with advancing of unit, ridging part has started arc ridge, fertilizer part fertilizer, overlay film part overlay film on ridge, press mold part overlays on thin film on ridge, the earthing part at rear portion is at film edge earthing, and seeding part is sowed, and rear portion press wheel is realized suppression after planting.
Below describe composition and the structure of frame 1, ridging part, fertilising part, overlay film part, sowing part and running part in detail.
Ridging part comprises ridging plate set bolt 19, tie ridger fixing chuck plate 30, left tie ridger monomer 31 and right tie ridger monomer 33, U-shaped clamp 32, and wherein left tie ridger monomer 31 and right tie ridger monomer 33 are arranged on the crossbeam of frame 1 by U-shaped clamp 32 and tie ridger fixing chuck plate 30.
Fertilising part comprises fertilizer can side support plate 7, fertilizer can left plate 8 and fertilizer can right plate 9, fertilizer can front and rear panel 10, fertilizer regulates tooth plate hold-down nut 20, fertilizer apparatus square shaft 47, fertilizer apparatus square shaft support plate 48, fertilizer regulates tooth plate set bolt 49, the fertile body 50 of left bank and right fertilizer body 53, left fertilizer delivering pipe 51 and right fertilizer delivering pipe 52, left fertilizer apparatus 54 and right fertilizer apparatus 55, fertilizer case lid 62, defertilizing amount adjusting screw(rod) 63, defertilizing amount scale plate 64, axial location fixed card 69, axial location fixed card screw 70, axial location fixed card nut 71, defertilizing amount pointer 72, wherein fertilizer can left plate 8, right plate 9, fertilizer can front and rear panel 10, fertilizer case lid 62 forms fertilizer can, and fertilizer can is installed together by bolt and fertilizer can side support plate 7, then is arranged on by bolt on the longeron of frame 1, and fertilizer can bottom is provided with fertilizer apparatus square shaft 47, the fertile body 50 of left bank, right fertilizer body 53, left fertilizer apparatus 54, right fertilizer apparatus 55, left fertilizer delivering pipe 51 and right fertilizer delivering pipe 52 are realized fertilizer under the rotary action of fertilizer apparatus square shaft 47.
Overlay film part comprises pressing wheel upper boom 11, pressing wheel floating lever 12, pressing wheel fork 13, press mold wheel shaft 14, pressing wheel 15, pressing wheel pad 16, split pin 17, pressing wheel fixed head 18, swing link pin 21, bolt 22, overlay film suspension rod 24, overlay film fork 25, split pin 26, wherein, overlay film suspension rod 24 is arranged on the crossbeam of frame 1 by V-arrangement card and bolt 22, overlay film fork 25 is by split pin 26 pin joints on overlay film suspension rod 24, and film hangs on the side bearing pin of overlay film suspension rod 24; Pressing wheel upper boom 11 is fixed on the crossbeam of frame 1 by pressing wheel fixed head 18 and bolt 22, pressing wheel fork 13 passes through swing link pin 21 pin joints on pressing wheel upper boom 11, pressing wheel floating lever 12 bottoms are by split pin 17 and pressing wheel fork 13 pin joints, split pin 17 pin joints are also used through the straight trough of pressing wheel upper boom 11 in top, pressing wheel 15 is arranged on press mold wheel shaft 14 by pressing wheel pad 16, split pin 17, and press mold wheel shaft 14 is arranged in the hole of pressing wheel fork 13 bottoms.
Sowing part comprises right earthing plough 2, right U-shaped clamp 3, packing ring 4, nut 5, bolt 6, seed-box and seeding unit 34, left earthing plough 36, left U-shaped clamp 37, seeding unit transmission chain cover 38, row spacing adjuster 39, spring base set bolt 65, spring base set bolt 66, spring base set bolt 67 and spring base set bolt 68, wherein, right earthing plough 2 and left earthing plough 36 are by right U-shaped clamp 3, packing ring 4, nut 5, bolt 6, left U-shaped clamp 37 is arranged on the crossbeam of frame 1, seed-box and seeding unit 34 are bolted and are arranged on earthing plough, press wheel and chain transmission monomer 28 front portions are articulated on earthing plough, rear portion is by spring base set bolt 65, spring base set bolt 66, spring base set bolt 67 and spring base set bolt 68 are connected with earthing plough upper beam rear portion.
Running part comprises sprocket wheel left and right position adjustments frame fixed head 23, bolt 27, press wheel and chain transmission monomer 28, intermediate transmission square shaft 29, seeding unit transmission chain cover 38, row spacing adjuster 39, seeding unit transmission square shaft 40, row spacing adjuster power shaft 41, chain transmission tensioning support 42, the U-shaped card 43 of chain transmission bracket, sprocket wheel adjusting bracket fixed head 44, sprocket wheel adjusting bracket 45, bearing block 46, reel chain 56, row spacing adjuster power transmission shaft minor sprocket 57, fertilizer apparatus square shaft sprocket wheel 58, short chain 59, intermediate transmission square shaft sprocket wheel 60, row spacing adjuster power transmission shaft hinge wheel 61, wherein, the press wheel of press wheel and chain transmission monomer 28 can rotate with tractor, and drive intermediate transmission square shaft 29 and intermediate transmission square shaft sprocket wheel 60 to rotate under the chain gearing of the chain transmission monomer of press wheel and chain transmission monomer 28, then by short chain 59, row spacing adjuster power transmission shaft hinge wheel 61 drives row spacing adjuster power shaft 41 to rotate, after row spacing adjuster 39 speed changes, drive seeding unit transmission square shaft 40 to rotate with seeding by seeding unit transmission chain cover 38, the row spacing adjuster power transmission shaft minor sprocket 57 being arranged on row spacing adjuster power shaft 41 drives fertilizer apparatus square shaft sprocket wheel 58 to rotate by reel chain 56, to drive fertilizer square shaft to rotate and fertilizer.
Claims (1)
1. a corn ridging overlay film ferti-seeding all-in-one, is characterized in that: comprise frame (1), be arranged on ridging part, fertilising part, overlay film part, sowing part and running part in frame (1); Frame (1) forms " order " shape framework by square steel seam, is welded with the hanger bracket for articulating with tractor at its front end, and " order " shape framework comprises crossbeam and longeron;
Described ridging part comprises ridging plate set bolt (19), tie ridger fixing chuck plate (30), left tie ridger monomer (31) and right tie ridger monomer (33), U-shaped clamp (32), and wherein left tie ridger monomer (31) and right tie ridger monomer (33) are arranged on the crossbeam of frame (1) by U-shaped clamp (32) and tie ridger fixing chuck plate (30);
Described fertilising part comprises fertilizer can side support plate (7), fertilizer can left plate (8) and fertilizer can right plate (9), fertilizer can front and rear panel (10), fertilizer regulates tooth plate hold-down nut (20), fertilizer apparatus square shaft (47), fertilizer apparatus square shaft support plate (48), fertilizer regulates tooth plate set bolt (49), left bank fertile body (50) and right fertilizer body (53), left fertilizer delivering pipe (51) and right fertilizer delivering pipe (52), left fertilizer apparatus (54) and right fertilizer apparatus (55), fertilizer case lid (62), defertilizing amount adjusting screw(rod) (63), defertilizing amount scale plate (64), axial location fixed card (69), axial location fixed card screw (70), axial location fixed card nut (71), defertilizing amount pointer (72), wherein fertilizer can left plate (8), right plate (9), fertilizer can front and rear panel (10), fertilizer case lid (62) composition fertilizer can, fertilizer can is installed together by bolt and fertilizer can side support plate (7), then is arranged on by bolt on the longeron of frame (1), and fertilizer can bottom is provided with fertilizer apparatus square shaft (47), left bank fertile body (50) and right fertilizer body (53), left fertilizer apparatus (54) and right fertilizer apparatus (55), left fertilizer delivering pipe (51) and right fertilizer delivering pipe (52) are realized fertilizer under the rotary action of fertilizer apparatus square shaft (47),
Described overlay film part comprises pressing wheel upper boom (11), pressing wheel floating lever (12), pressing wheel fork (13), press mold wheel shaft (14), pressing wheel (15), pressing wheel pad (16), the first split pin (17), pressing wheel fixed head (18), swing link pin (21), bolt (22), overlay film suspension rod (24), overlay film fork (25), the second split pin (26), wherein, overlay film suspension rod (24) is arranged on the crossbeam of frame (1) by V-arrangement card and bolt (22), overlay film fork (25) passes through the second split pin (26) pin joint on overlay film suspension rod (24), film hangs on the side bearing pin of overlay film suspension rod (24), pressing wheel upper boom (11) is fixed on the crossbeam of frame (1) by pressing wheel fixed head (18) and bolt (22), pressing wheel fork (13) passes through swing link pin (21) pin joint on pressing wheel upper boom (11), pressing wheel floating lever (12) bottom is by the first split pin (17) and pressing wheel fork (13) pin joint, the straight trough of pressing wheel upper boom (11) is passed also with the first split pin (17) pin joint in top, pressing wheel (15) is by pressing wheel pad (16), the first split pin (17) is arranged on press mold wheel shaft (14), press mold wheel shaft (14) is arranged in the hole of pressing wheel fork (13) bottom,
Described sowing part comprises right earthing plough (2), right U-shaped clamp (3), packing ring (4), nut (5), bolt (6), seed-box and seeding unit (34), left earthing plough (36), left U-shaped clamp (37), seeding unit transmission chain cover (38), row spacing adjuster (39), seeding unit transmission square shaft (40), row spacing adjuster power shaft (41), the first spring base set bolt (65), the second spring base set bolt (66), the 3rd spring base set bolt (67) and the 4th spring base set bolt (68), wherein, right earthing plough (2) and left earthing plough (36) are by right U-shaped clamp (3), packing ring (4), nut (5), bolt (6), left U-shaped clamp (37) is arranged on the crossbeam of frame (1), seed-box and seeding unit (34) are bolted and are arranged on earthing plough, press wheel and chain transmission monomer (28) front portion are articulated on earthing plough, and rear portion is by the first spring base set bolt (65), the second spring base set bolt (66), the 3rd spring base set bolt (67) and the 4th spring base set bolt (68) are connected with earthing plough upper beam rear portion,
Described running part comprises sprocket wheel left and right position adjustments frame fixed head (23), bolt (27), press wheel and chain transmission monomer (28), intermediate transmission square shaft (29), seeding unit transmission chain cover (38), row spacing adjuster (39), seeding unit transmission square shaft (40), row spacing adjuster power shaft (41), chain transmission tensioning support (42), the U-shaped card of chain transmission bracket (43), sprocket wheel adjusting bracket fixed head (44), sprocket wheel adjusting bracket (45), bearing block (46), reel chain (56), row spacing adjuster power transmission shaft minor sprocket (57), fertilizer apparatus square shaft sprocket wheel (58), short chain (59), intermediate transmission square shaft sprocket wheel (60), row spacing adjuster power transmission shaft hinge wheel (61), wherein, the press wheel of press wheel and chain transmission monomer (28) can rotate with tractor, and drive intermediate transmission square shaft (29) and intermediate transmission square shaft sprocket wheel (60) to rotate under the chain gearing of the chain transmission monomer of press wheel and chain transmission monomer (28), then by short chain (59), row spacing adjuster power transmission shaft hinge wheel (61) drives row spacing adjuster power shaft (41) to rotate, after row spacing adjuster (39) speed change, drive seeding unit transmission square shaft (40) to rotate with seeding by seeding unit transmission chain cover (38), the row spacing adjuster power transmission shaft minor sprocket (57) being arranged on row spacing adjuster power shaft (41) drives fertilizer apparatus square shaft sprocket wheel (58) to rotate by reel chain (56), to drive fertilizer square shaft to rotate and fertilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210266660.5A CN102742400B (en) | 2012-07-30 | 2012-07-30 | Ridging laminating fertilizing seeding all-in-one machine for corns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210266660.5A CN102742400B (en) | 2012-07-30 | 2012-07-30 | Ridging laminating fertilizing seeding all-in-one machine for corns |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102742400A CN102742400A (en) | 2012-10-24 |
| CN102742400B true CN102742400B (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210266660.5A Expired - Fee Related CN102742400B (en) | 2012-07-30 | 2012-07-30 | Ridging laminating fertilizing seeding all-in-one machine for corns |
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| CN (1) | CN102742400B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103583289B (en) * | 2013-11-21 | 2016-06-08 | 赵彦民 | Corn double-ridge mulch sowing combine |
| CN104303652A (en) * | 2014-09-29 | 2015-01-28 | 张家港市沙洲绿农业科技发展有限公司 | Drip irrigation type seeder |
| CN108391485A (en) * | 2018-05-08 | 2018-08-14 | 武汉衡固光电科技有限公司 | Compound seeder |
| CN109041621A (en) * | 2018-10-11 | 2018-12-21 | 郑州市双丰机械制造有限公司 | A kind of high-efficiency multi-function peanut tectorial seeder |
| CN110574527A (en) * | 2019-10-28 | 2019-12-17 | 山东农业大学 | Multifunctional arched shed inserting frame film coating all-in-one machine and control method thereof |
| CN117044444B (en) * | 2023-10-10 | 2023-12-22 | 安徽省农业科学院农业工程研究所 | Sweet potato seedling rotary tillage fertilization watering tectorial membrane all-in-one |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2279766Y (en) * | 1997-03-07 | 1998-04-29 | 刘西厚 | Large and medium sized disc like precision sowing and fertilising machine |
| JPH11196681A (en) * | 1998-01-09 | 1999-07-27 | Agri Techno Yazaki Kk | Mulching culture, mulching film used for culture and mulching culture apparatus in which fertilization and sowing are simultaneously carried out by using the same film |
| CN2336548Y (en) * | 1998-08-25 | 1999-09-08 | 宋元明 | Multi-purpose planter |
| CN201388375Y (en) * | 2009-02-20 | 2010-01-27 | 高延炯 | Multifunctional ridging and membrane-applying seed sowing machine |
| CN202014452U (en) * | 2011-03-23 | 2011-10-26 | 安徽农业大学 | Plate type multifunctional seeding machine allowing row spacing to be adjusted and integrating compound operations of fertilizing and spot seeding |
| CN202663755U (en) * | 2012-07-30 | 2013-01-16 | 宁夏大学 | Ridge-forming, film-mulching, fertilizing and seed-sowing integral machine for maize |
-
2012
- 2012-07-30 CN CN201210266660.5A patent/CN102742400B/en not_active Expired - Fee Related
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| CN102742400A (en) | 2012-10-24 |
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