CN102860155A - Regrinding banded rotary tillage planter - Google Patents
Regrinding banded rotary tillage planter Download PDFInfo
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- CN102860155A CN102860155A CN2012103308797A CN201210330879A CN102860155A CN 102860155 A CN102860155 A CN 102860155A CN 2012103308797 A CN2012103308797 A CN 2012103308797A CN 201210330879 A CN201210330879 A CN 201210330879A CN 102860155 A CN102860155 A CN 102860155A
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Abstract
The invention provides a regrinding banded rotary tillage planter, comprising a rack assembly, a transmission assembly, a banded rotary tillage assembly, a seeding and fertilizing assembly and a regrinding assembly, wherein the transmission assembly, the banded rotary tillage assembly, the seeding and fertilizing assembly and the regrinding assembly are fixed on the rack assembly. During no-tillage operation at heavy soil in the south, the planter can realize ditching, fertilizing and seeding at the same time. In addition, by regrinding and screening, the applied fertilization and the seeded seed are covered by fine soil by layer. The planter utilizes regrinding of soil to reduce the common rotary cultivator power consumption which is caused by secondary going to the field to crush soil, thus the operational cost is reduced.
Description
Technical field
The present invention relates to agricultural mechanical field, relate in particular to the banded rotary tillage sowing machine of a kind of separating twice.
Background technology
Conservation tillage has the aspect effects such as water conservation soil conservation fertilizer conservation and cost-saving synergistic, and China is especially northern now, and obtain popularization to a certain degree, and created certain economic benefit and social benefit, be one of effective way that realizes agricultural sustainable development.And comparatively slow in the development in southern floods and droughts continuous cropping district, remove outside the natural cause, lacking supporting with it no-tillage seeding machine is a very crucial reason.
At present, most of no-tillage seeding machine all is the farming pattern that is applicable to the north, number be 200920175499.4 such as Chinese patent application, name is called the utility model patent of " wheat no-tillage planter ", introduce the correlation technique of cutting the broken grass of stubble, but be not suitable with sticking heavy soil and the higher rice root stub land operation of water content in south.When Rice in Southern China Mai Lianzuoqu carries out the wheat cultivation operation, for creating suitable kind bed to seed, the normal mode of using two subjobs reaches thick thin requirement under the soil, and Chinese patent application number is 201010621604.x, name is called " free-planting seeder for wheat in rice stubble field " invention, " Y " type of utilization blade has solved the attachment issue of stalk and weeds, Chinese patent application number is 201020172416.9, name is called the utility model patent of " the trench digging stubble-cleaning integrated mechanism of rice stubble field non-ploughing wheat zero tillage combined seed ", emphasis is on the problem that solves trench digging and stubble-cleaning, but all not mentioned how when guaranteeing the no-tillage seeding machine operation in the trafficability characteristic, again can satisfy reduce under the prerequisite that sowing requires under the rotovator number of times and reduce energy consumption.For this reason, a kind of no-tillage seeding machine that is suitable for southern heavy soil of research and development is very important.
Summary of the invention
The technical problem that (one) will solve
The technical problem to be solved in the present invention provides a kind of adaptation at the banded rotary tillage sowing machine of the separating twice of southern heavy soil operation, its can satisfy reduce under the prerequisite that sowing requires under the rotovator number of times and reduce energy consumption.
(2) technical scheme
For reaching above-mentioned purpose, the invention provides the banded rotary tillage sowing machine of a kind of separating twice, it comprises support assembly, drive assembly, banded rotary tillage assembly, seeding and fertilizing assembly and separating twice assembly, and wherein drive assembly, banded rotary tillage assembly, seeding and fertilizing assembly and separating twice assembly are fixed on the support assembly.
Described support assembly comprises frame 1, framework lateral plate 10 and three point linkage 2, and framework lateral plate 10 is fixed in frame 1 both sides, and three point linkage 2 is fixed on the crossbeam of frame 1.
Described banded rotary tillage assembly comprises rotary blade, rotary ploughing cutter shaft 3, ball bearing cover and rotary ploughing cutter shaft support component 9, described rotary blade is fixed on the rotary ploughing cutter shaft 3, rotary ploughing cutter shaft 3 middle parts link to each other with drive assembly, rotary ploughing cutter shaft 3 is connected by bearing with described ball bearing cover, rotary ploughing cutter shaft support component 9 is fixing by bolt and described ball bearing cover, and rotary ploughing cutter shaft support component 9 is connected with framework lateral plate 10.
Described seeding and fertilizing assembly comprises fertile pipe 11, fertilizer guiding tube 20, fertile case 21, plants pipe 13, grain conductor 23 and plants case 25, it is anterior that fertile case 21 is installed on described support assembly, fertile pipe 11 is fixed on frame 1 crossbeam and by fertilizer guiding tube 20 and is connected with fertile case 21, plant case 25 and be installed on described support assembly rear portion, kind pipe 13 is fixed on frame 1 crossbeam and by grain conductor 23 and is connected with kind case 25.
Described separating twice assembly comprises soil sieve, soil guiding board, separating twice flail knife 29 and separating twice flail knife axle 30, soil sieve and soil guiding board are by sequentially being fixed in up and down frame 1 bottom, separating twice flail knife 29 is installed on the separating twice flail knife axle 30, and separating twice flail knife axle 30 is fixed in framework lateral plate 10 and links to each other with drive assembly.
Preferably, the banded rotary tillage sowing machine of described separating twice also comprises the depth stop assembly, described depth stop assembly comprises gauge wheel 8, the gauge wheel support shank and the gauge wheel deck 7 that link to each other with gauge wheel 8 wheel shafts, gauge wheel deck 7 is fixed on the crossbeam of frame 1, described gauge wheel support shank is passed on the gauge wheel deck 7 hole suitable with the gauge wheel support shank, fixing by bearing pin and gauge wheel deck 7, vertical row is shown the suitable hole of a plurality of and described bearing pin on the described gauge wheel support shank.
Preferably, the banded rotary tillage sowing machine of described separating twice also comprises the suppression assembly, and described suppression assembly comprises press wheel 15 and the press wheel gripper shoe 16 that links to each other with press wheel 15 wheel shafts, and press wheel gripper shoe 16 is fixed in described support assembly afterbody.
Preferably, described support assembly also comprises pedal 19.
Preferably, described suppression assembly also comprises press wheel adjusting rod 17 and press wheel channel washer 18, and press wheel adjusting rod 17 1 ends are connected with press wheel gripper shoe 16, and the other end is connected with frame 1, and press wheel channel washer 18 is installed on the press wheel gripper shoe 16.
Preferably, described seeding and fertilizing assembly also comprises the fertilizing amount adjusting handle that is installed on the fertile case 21 and the seeding quantity adjusting handle that is installed on kind of the case 25, is used for controlling fertilizing amount and seeding quantity; Be provided with fertilizer expelling shaft in the fertile case 21, plant in the case 25 and be provided with feed shaft, described fertilizer expelling shaft is connected sprocket wheel and is connected with press wheel 15 with chain with feed shaft.
Preferably, soil guiding board is V-type soil guiding board 28, its two blocks of relative side plates form similar flared V-type opening, and the quantity of V-type soil guiding board 28 equates with fertilizer pipe 11 and the quantity of planting pipe 13 respectively, and the aperture position of V-type soil guiding board 28 bottoms with fertile pipe 11 and plant manage 13 coplanar.
(3) beneficial effect
The banded rotary tillage sowing machine of the separating twice that the present invention adopts technique scheme to provide, when satisfying southern heavy soil no-tillage farming, not only can once realize trench digging, fertilising and sowing, and the effect by separating twice and screening, with soil layering in small, broken bits cover institute's fertilise and sow on the son; And utilize the power consumption problem of bringing when the mode of separating twice reduces to pulverize soil under the conventional rotovator secondary on the ground, reduced operating cost; Will further promote the further popularization of Rice in Southern China wheat continuous cropping district conservation tillage by the banded rotary tillage sowing machine of separating twice.
Description of drawings
Fig. 1 is the structure chart of the banded rotary tillage sowing machine of separating twice of the present invention;
Fig. 2 is the front view of the banded rotary tillage sowing machine of separating twice of the present invention;
Fig. 3 is the end view of the banded rotary tillage sowing machine of separating twice of the present invention;
Fig. 4 is the rotary ploughing cutter shaft intermediate transmission structure chart of the banded rotary tillage sowing machine of separating twice of the present invention;
Fig. 5 is the structure chart of the separating twice assembly of the banded rotary tillage sowing machine of separating twice of the present invention;
Fig. 6 is the structure chart of the V-type soil guiding board of the banded rotary tillage sowing machine of separating twice of the present invention.
Among the figure, 1: frame; 2: three point linkage; 3: rotary ploughing cutter shaft; 4: left rotary blade; 5: gear-box; 6: right rotary blade; 7: the gauge wheel deck; 8: gauge wheel; 9: the rotary ploughing cutter shaft support component; 10: framework lateral plate; 11: fertile pipe; 12: side transmission case; 13: plant pipe; 14: the side power transmission shaft; 15: press wheel; 16: the press wheel gripper shoe; 17: the press wheel adjusting rod; 18: the press wheel channel washer; 19: pedal; 20: fertilizer guiding tube; 21: fertile case; 22: the fertilizing amount adjusting handle; 23: grain conductor; 24: the seeding quantity adjusting handle; 25: plant case; 26: ferti-seeding amount transmission case; 27: sieve bend; 28:V type soil guiding board; 29: the separating twice flail knife; 30: separating twice flail knife axle; 31: belt wheel; 32: the arc dust cover.
Embodiment
Below in conjunction with drawings and Examples the banded rotary tillage sowing machine of separating twice of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
In description of the invention, need to prove, term " " center "; " vertically "; " laterally "; " on "; D score; " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove, unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, and also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
In addition, in description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
As shown in Figure 1, 2, 3, the banded rotary tillage sowing machine of separating twice of the present invention comprises support assembly, drive assembly, banded rotary tillage assembly, seeding and fertilizing assembly, separating twice assembly, depth stop assembly and suppression assembly.
Described support assembly comprises frame 1, framework lateral plate 10 and three point linkage 2, framework lateral plate 10 is fixed in frame 1 both sides, three point linkage 2 is fixed on the crossbeam of frame 1, frame 1 is that each parts is installed the underlying carrier that connects on the complete machine, three point linkage 2 is welded on the crossbeam of frame 1, and is corresponding with the three point linkage of dynamic power machine (tractor).Described support assembly also comprises pedal 19.
Described drive assembly comprises gear-box 5, side power transmission shaft 14, belt wheel 31 and belt and sprocket wheel and chain, and side power transmission shaft 14 is connected with a side of gear-box 5.
Described banded rotary tillage assembly comprises rotary blade, rotary ploughing cutter shaft 3 and rotary ploughing cutter shaft support component 9, and rotary blade is divided into left rotary blade 4 and right rotary blade 6, and left rotary blade 4 and right rotary blade 6 are arranged principle according to rotary blade and be fixed on the rotary ploughing cutter shaft 3.Wherein, rotary blade is arranged principle in the prior art roughly three kinds, and the one-way spiral line is arranged, the bidirectional screw line is arranged and Multi sectional is arranged.As shown in Figure 4, rotary ploughing cutter shaft support component 9 is fixing with the ball bearing cover that includes bearing by bolt, and rotary ploughing cutter shaft 3 is connected by bearing with described ball bearing cover, and rotary ploughing cutter shaft support component 9 is welded on the framework lateral plate 10.Link to each other with gear-box 5 lower ends in the middle of rotary ploughing cutter shaft 3, with acquisition power, and the power of gear-box 5 links to each other by the power take-off of universal joint with dynamic power machine (tractor).
Described seeding and fertilizing assembly comprises fertile pipe 11, fertilizer guiding tube 20, fertile case 21, plants pipe 13, grain conductor 23 and plants case 25, it is anterior that fertile case 21 is installed on described support assembly, the fertilizer pipe 11 that is fixed on frame 1 crossbeam is connected with fertile case 21 by fertilizer guiding tube 20, plant case 25 and be installed on described support assembly rear portion, be fixed on frame 1 crossbeam kind pipe 13 by grain conductor 23 with plant case 25 and be connected, and fertile pipe 11 and kind manage 13 and rotary blade to open kind of ditch corresponding one by one.Preferably, described seeding and fertilizing assembly also comprises the fertilizing amount adjusting handle that is installed on the fertile case 21 and the seeding quantity adjusting handle that is installed on kind of the case 25, is used for controlling fertilizing amount and seeding quantity; Be provided with fertilizer expelling shaft in the fertile case 21, plant in the case 25 and be provided with feed shaft, described fertilizer expelling shaft is connected sprocket wheel and is connected with press wheel 15 with chain with feed shaft.
As shown in Figure 5, described separating twice assembly comprises soil sieve, soil guiding board, separating twice flail knife 29 and separating twice flail knife axle 30, soil sieve and soil guiding board are by sequentially being fixed in up and down frame 1 bottom, separating twice flail knife 29 is installed on the separating twice flail knife axle 30, and separating twice flail knife axle 30 is fixed in framework lateral plate 10.Described separating twice flail knife 29 is hinged with tool rest, and described tool rest is welded on the separating twice flail knife axle 30.Described separating twice flail knife 29 is not covered with whole separating twice flail knife axle 30 between any two overlappingly.Described soil sieve is designed to sieve bend 27 according to structure and the work of separating twice assembly, and described sieve bend 27 sieve apertures distribute to satisfy soil and sieve and require to be as the criterion, and sieve bend 27 radians are as the criterion to collect soil that rotary blade is thrown.
As shown in Figure 6, described soil guiding board is V-type soil guiding board 28, its two blocks of relative side plates form similar flared V-type opening, the quantity of described V-type soil guiding board 28 equates with the quantity of fertile pipe 11 and kind pipe 13, it is corresponding that the aperture position of described V-type soil guiding board 28 bottoms and rotary blade are opened kind of ditch, and with fertilizer pipe 11 with to plant pipe 13 coplanar.V-type soil guiding board 28 is gathered the soil that sieves, and makes flowing of the directed fixed point of soil, to realize initiatively function of covering soil.By side power transmission shaft 14 transmission of power is equipped with the separating twice flail knife axle 30 of belt wheel 31 at gear-box 5, and side transmission case 12 is installed outside it, with the protection drive disk assembly.Obtain the separating twice flail knife axle 30 of power by belt wheel 31 in rotation, the separating twice flail knife 29 that whipping is mounted thereon is further pulverized the soil that enters sieve bend 27.Soil after the pulverizing falls from the sieve aperture of sieve bend 27, is trickled down in an orderly manner in the kind ditch of being opened by V-type soil guiding board 28, gives the soil in small, broken bits that satisfies its germinating growth on kind of the subcovering.And not pulverized larger rice stubble, stalk and native raft are thrown to it outside machine under the effect of separating twice flail knife axle 30, fall within ground.Safety when guaranteeing operation and the dust when preventing operation are equipped with arc dust cover 32, and it are fixed on the framework lateral plate 10 above separating twice flail knife 29 and separating twice flail knife axle 30 simultaneously.
Described depth stop assembly comprises gauge wheel 8, the gauge wheel support shank and the gauge wheel deck 7 that link to each other with gauge wheel 8 wheel shafts, gauge wheel deck 7 is fixed on the crossbeam of frame 1, described gauge wheel support shank is passed on the gauge wheel deck 7 hole suitable with the gauge wheel support shank, fixing by bearing pin and gauge wheel deck 7, vertical row is shown the suitable hole of a plurality of and described bearing pin on the described gauge wheel support shank.
Described suppression assembly comprises press wheel 15 and the press wheel gripper shoe 16 that links to each other with press wheel 15 wheel shafts, and press wheel gripper shoe 16 is fixed in described support assembly afterbody.Described suppression assembly also comprises press wheel adjusting rod 17 and press wheel channel washer 18.Press wheel adjusting rod 17 1 ends are connected with press wheel gripper shoe 16, and the other end is connected with frame 1, to realize the adjusting of press wheel.Press wheel channel washer 18 is installed on the press wheel gripper shoe 16, is bonded in soil on the press wheel 15 with removing.Press wheel 15 is when rolling, by the sprocket wheel that is mounted thereon and the rotation of chain-driving fertilizer expelling shaft and feed shaft upper sprocket wheel, interference fit has fertilizer apparatus on the fertilizer expelling shaft, and interference fit has seeding unit on the feed shaft, thereby fertilizer and seed are discharged from fertile case 21 and kind case 25 smoothly.For protection sprocket wheel and chain, ferti-seeding transmission case 26 is installed, effective rolling of itself and press wheel gripper shoe 16 common guarantee press wheels 15 outside sprocket wheel and chain.
Using method of the present invention and operation principle are: according to the requirement of no-tillage seeding, utilize the rice stubble that is rotated in of rotary blade to leave the ferti-seeding ditch on the ground, dished out backward under the revolution of rotary blade by the soil of rotary-cut, and the sieve bend 27 that is installed in behind the fertile pipe 11 is collected, at this moment, the rotation of separating twice flail knife axle 30 drives the separating twice flail knife 29 that is mounted thereon collected soil is carried out separating twice, the soil that satisfies the earthing requirement falls by the sieve aperture of sieve bend 27, through 28 orderly the dropping on kind of the ditch of V-type soil guiding board, to manage 11 fertilizer of discharging from fertilizer covers, simultaneously, part soil still can be dished out along with the rotation of separating twice flail knife 29, soil in small, broken bits covers on the seed of being discharged by kind of pipe 13 through falling behind the afterbody of sieve bend 27, and larger native raft and root stubble are also dished out outside the machine under the rotation of separating twice flail knife 29, drop on position far away, simultaneously, the support staff can stand in and observe seed manure discharge situation on the pedal 19.So just realized on rice stubble ground, once finishing trench digging, fertilising and sowing effect, and thick under satisfying kind of bed soil in the requirement of thin evenly earthing, reduced under the rotovator number of times, reduced energy consumption.
The parts that the present invention does not address all are prior art or standardized product, repeat no more.
Above embodiment only is used for explanation the present invention, and be not limitation of the present invention, the those of ordinary skill in relevant technologies field is not in the situation that break away from the spirit and scope of the present invention, can also make a variety of changes and modification, so all technical schemes that are equal to also belong to category of the present invention.
Claims (14)
1. the banded rotary tillage sowing machine of a separating twice, it is characterized in that, the banded rotary tillage sowing machine of described separating twice comprises support assembly, drive assembly, banded rotary tillage assembly, seeding and fertilizing assembly and separating twice assembly, and wherein drive assembly, banded rotary tillage assembly, seeding and fertilizing assembly and separating twice assembly are fixed on the support assembly.
2. the banded rotary tillage sowing machine of separating twice according to claim 1, it is characterized in that, described support assembly comprises frame (1), framework lateral plate (10) and three point linkage (2), framework lateral plate (10) is fixed in frame (1) both sides, and three point linkage (2) is fixed on the crossbeam of frame (1).
3. the banded rotary tillage sowing machine of separating twice according to claim 2, it is characterized in that, described banded rotary tillage assembly comprises rotary blade, rotary ploughing cutter shaft (3), includes ball bearing cover and the rotary ploughing cutter shaft support component (9) of bearing, described rotary blade is fixed on the rotary ploughing cutter shaft (3), rotary ploughing cutter shaft (3) links to each other with described drive assembly, rotary ploughing cutter shaft (3) is connected by bearing with described ball bearing cover, rotary ploughing cutter shaft support component (9) is fixing by bolt and described ball bearing cover, and rotary ploughing cutter shaft support component (9) is connected with framework lateral plate (10).
4. the banded rotary tillage sowing machine of separating twice according to claim 3, it is characterized in that, described seeding and fertilizing assembly comprises fertile pipe (11), fertilizer guiding tube (20), fertile case (21), plant pipe (13), grain conductor (23) and kind case (25), it is anterior that fertile case (21) is installed on described support assembly, fertile pipe (11) is fixed on frame (1) crossbeam and by fertilizer guiding tube (20) and is connected with fertile case (21), plant case (25) and be installed on described support assembly rear portion, kind pipe (13) is fixed on frame (1) crossbeam and by grain conductor (23) and is connected with kind case (25).
5. the banded rotary tillage sowing machine of separating twice according to claim 4, it is characterized in that, described separating twice assembly comprises soil sieve, soil guiding board, separating twice flail knife (29) and separating twice flail knife axle (30), soil sieve and soil guiding board are by sequentially being fixed in up and down frame (1) bottom, separating twice flail knife (29) is installed on the separating twice flail knife axle (30), and separating twice flail knife axle (30) is fixed in framework lateral plate (10) and links to each other with drive assembly.
6. banded rotary tillage sowing machine of each described separating twice according to claim 1-5, it is characterized in that, the banded rotary tillage sowing machine of described separating twice also comprises the depth stop assembly, described depth stop assembly comprises gauge wheel (8), the gauge wheel support shank and the gauge wheel deck (7) that link to each other with gauge wheel (8) wheel shaft, gauge wheel deck (7) is fixed on the crossbeam of frame (1), and gauge wheel (8) is connected with gauge wheel deck (7) by described gauge wheel support shank.
7. the banded rotary tillage sowing machine of separating twice according to claim 6, it is characterized in that, the banded rotary tillage sowing machine of described separating twice also comprises the suppression assembly, described suppression assembly comprises press wheel (15) and the press wheel gripper shoe (16) that links to each other with press wheel (15) wheel shaft, and press wheel gripper shoe (16) is fixed in described support assembly afterbody.
8. the banded rotary tillage sowing machine of separating twice according to claim 7 is characterized in that, described support assembly also comprises pedal (19).
9. the banded rotary tillage sowing machine of separating twice according to claim 7 is characterized in that, rotary ploughing cutter shaft (3) middle part links to each other with described drive assembly.
10. the banded rotary tillage sowing machine of separating twice according to claim 7, it is characterized in that, described gauge wheel support shank is passed the hole that gauge wheel deck (7) is upper and the gauge wheel support shank is suitable, fixing by bearing pin and gauge wheel deck (7), vertical row is shown the suitable hole of a plurality of and described bearing pin on the described gauge wheel support shank.
11. the banded rotary tillage sowing machine of separating twice according to claim 7, it is characterized in that, described suppression assembly also comprises press wheel adjusting rod (17) and press wheel channel washer (18), press wheel adjusting rod (17) one ends are connected with press wheel gripper shoe (16), the other end is connected with frame (1), and press wheel channel washer (18) is installed on the press wheel gripper shoe (16).
12. the banded rotary tillage sowing machine of separating twice according to claim 7, it is characterized in that, described seeding and fertilizing assembly also comprises the fertilizing amount adjusting handle that is installed on the fertile case (21) and the seeding quantity adjusting handle that is installed on kind of the case (25), is used for controlling fertilizing amount and seeding quantity.
13. the banded rotary tillage sowing machine of separating twice according to claim 12 is characterized in that fertile case is provided with fertilizer expelling shaft in (21), plants in the case (25) and is provided with feed shaft, described fertilizer expelling shaft is connected sprocket wheel and is connected with press wheel (15) with chain with feed shaft.
14. the banded rotary tillage sowing machine of separating twice according to claim 5, it is characterized in that, soil guiding board is V-type soil guiding board (28), its two blocks of relative side plates form similar flared V-type opening, the quantity of V-type soil guiding board (28) equates with the quantity of fertilizer pipe (11) and kind pipe (13) respectively, and the aperture position of V-type soil guiding board (28) bottom is coplanar with fertile pipe (11) and kind pipe (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210330879.7A CN102860155B (en) | 2012-09-07 | 2012-09-07 | Regrinding banded rotary tillage planter |
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| CN201210330879.7A CN102860155B (en) | 2012-09-07 | 2012-09-07 | Regrinding banded rotary tillage planter |
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| CN103733753A (en) * | 2013-12-23 | 2014-04-23 | 农业部南京农业机械化研究所 | Wheat no-tillage seeding machine suitable for full straw mulched ground operation |
| CN103749018A (en) * | 2014-01-20 | 2014-04-30 | 黄宗筹 | Novel rotary-tillage fertilizing seeder |
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| CN104855007A (en) * | 2015-06-01 | 2015-08-26 | 刘德万 | Wheat and maize double-functional seeder |
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