CN204616301U - The dual-purpose no-tillage fertilizing and seeding machine of corn wheat - Google Patents
The dual-purpose no-tillage fertilizing and seeding machine of corn wheat Download PDFInfo
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- CN204616301U CN204616301U CN201520231530.7U CN201520231530U CN204616301U CN 204616301 U CN204616301 U CN 204616301U CN 201520231530 U CN201520231530 U CN 201520231530U CN 204616301 U CN204616301 U CN 204616301U
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Abstract
The utility model discloses the dual-purpose no-tillage fertilizing and seeding machine of a kind of corn wheat, comprise and be positioned at revolving cutter ditching device and driving land wheel of frame front end, be positioned at broadcasting fertile device, revolve cutter gearbox and corn seeding transfer gear box in frame, and the maise seeder units to be flexibly connected with frame or wheat cultivation device, drive land wheel to broadcast fertile device by driving and broadcast fertilizer, transmission mechanism I connection for transmission mechanism II realizes the sowing of corn or wheat; Revolve cutter ditching device and comprise cutter shaft, cutterhead, be installed on and cutterhead periphery revolves cutter, cutter shaft two ends are connected with bearing between framework lateral plate, and the spacing of cutterhead adopts 10-12cm, 18-20cm to be cycled to repeat layout.The utility model advantage is to adapt to the regional wheat and corn Mechanization sowing production technology that yields two crops a year.Land wheel will be driven preposition, and the layout of revolving cutter ditching device meets regional wheat, corn planting agriculture requirement, and the mounting of corn seeding monomer, with corresponding to revolve cutter position corresponding, realize wheat, corn is dual-purpose.
Description
Technical field
The utility model relates to agricultural machinery, especially relates to the dual-purpose no-tillage fertilizing and seeding machine of corn wheat.
Background technology
The plantation of wheat and corn has different Planting Row Distances, and in areal, cropping pattern also varies.Huang-Huai-Hai two crops a year area (that is: the complete rear maize planting of the little wheat harvesting in same field) wheat harvests rear sowing planting corn, and no-till maize technology is more and more extensively applied.Because preceding crop wheat stalk amount is large during corn seeding, wheat planting line-spacing is different from the line-spacing of corn again, cause easily causing the inconsistent of sowing depth when corn seeding, plant ditch of poor quality, and stalk twine stifled, when causing corn seeding, seed is easily broadcast on arrish stalk, causes seed not easily earthing and affect the bud ratio of corn.In conjunction with central plain area's wheat and corn plantation agronomy pattern, sower front portion adds rotary cutter type chaffcutter, dials careless ditching device, effectively can improve seeding quality.But existing sower major part is for driving land wheel rearmounted, and drive land wheel to walk on the soil of rotary tillage during sowing, adhesive force reduces, and slip rate increases, and easily causes sower fuselage seriously to overturn; Meanwhile, existing rotary cutter type chaffcutter, dial careless ditching device can not be common to wheat, corn plantation trench digging.
Summary of the invention
The utility model object is to provide a kind of corn wheat dual-purpose no-tillage fertilizing and seeding machine, adopt the problem driving the traditional rearmounted sower fuselage caused of driving land wheel of land wheel preposition solution easily to overturn, and no-tillage seeding fertilization a tractor serves several purposes when realizing wheat, corn seeding supporting plant development.
For achieving the above object, the utility model takes following technical proposals:
The dual-purpose no-tillage fertilizing and seeding machine of corn wheat described in the utility model, comprise frame, also comprise and be positioned at revolving cutter ditching device and driving land wheel of frame front end, be positioned at broadcasting fertile device, revolve cutter gearbox and corn seeding transfer gear box in frame, and the maise seeder units to be flexibly connected with frame or wheat cultivation device, described driving land wheel is broadcast fertile device by driving and is realized broadcasting fertilizer, and transmission mechanism I connection for transmission mechanism II realizes the sowing of corn or wheat; Describedly revolve that cutter ditching device comprises cutter shaft, the cutterhead be socketed on cutter shaft, and be installed on cutterhead periphery revolves cutter, cutter shaft two ends are connected with using bearing between framework lateral plate, and the spacing of cutterhead adopts 10-12cm, 18-20cm to be cycled to repeat layout.
Described driving land wheel is fixed on frame front end by land wheel frame, transmission mechanism I comprises the sprocket wheel two connecting and drive on the sprocket wheel one of land wheel and land wheel frame, and the sprocket wheel three be arranged on corn seeding transfer gear box power shaft and sprocket wheel four, is arranged at the sprocket wheel five broadcasting fertile device; Its middle sprocket one is connected with chain with sprocket wheel two, and sprocket wheel two is connected with chain with sprocket wheel three, and sprocket wheel three and sprocket wheel four are coaxially arranged, and sprocket wheel four is connected with chain with sprocket wheel five, and sprocket wheel five connects the fertilizer apparatus broadcasting fertile device.
Described driving land wheel is fixed on frame front end by land wheel frame, transmission mechanism I comprises the second drive link connecting and drive on the first drive link of land wheel and land wheel frame, and the sprocket wheel three be arranged on corn seeding transfer gear box power shaft and sprocket wheel four, is arranged at the sprocket wheel five broadcasting fertile device; Wherein the first drive link is connected by gimbal coupling with the second drive link, and the other end of the second drive link is connected with sprocket wheel three, and sprocket wheel three and sprocket wheel four are coaxially arranged, and sprocket wheel four is connected with chain with sprocket wheel five, and sprocket wheel five connects the fertilizer apparatus broadcasting fertile device.
Described wheat cultivation device comprises Wheat Species case, wheat seeding unit, wheat planting pipe and wheat press wheel; Wheat Species case and the fertile case broadcast in fertile device link together, and wheat press wheel is connected on rear side of frame; Transmission mechanism II comprises the coaxial sprocket wheel six arranged and the sprocket wheel seven be arranged in wheat cultivation device with sprocket wheel five, and sprocket wheel six is connected with chain with sprocket wheel seven, and sprocket wheel seven connects wheat seeding unit.
Described maise seeder units comprise the parallel link mechanism being connected to frame rear end, and the corn monomer frame to be connected with parallel link mechanism, and be connected to maize seed case, disk coulter, seed of maize, corn seeds protecting plate, covering device and the corn press wheel in corn monomer frame; The sprocket wheel ten that transmission mechanism II comprises the sprocket wheel eight be connected on corn seeding transfer gear box output shaft, is positioned at the sprocket wheel nine on parallel link mechanism and is positioned on seed of maize; Wherein, sprocket wheel eight is connected with chain with sprocket wheel nine, and sprocket wheel nine is connected with chain with sprocket wheel ten, and sprocket wheel ten connects seed of maize.
Mounting spring on described land wheel frame.
The utility model advantage is to adapt to the regional wheat and corn Mechanization sowing production technology that yields two crops a year.Design content is by preposition for driving land wheel, and is equipped with new kinetics design, and the layout of revolving cutter ditching device meets regional wheat, corn planting agriculture requirement, and the mounting of corn seeding monomer, with corresponding to revolve cutter position corresponding, realize wheat, corn is dual-purpose.The preposition scheme of driving land wheel that the utility model proposes, not only can increase the frictional force driving land wheel and ground, the rearmounted driving land wheel fuselage caused that after operation, soil moves can also be avoided to overturn, affect seeding quality; In addition, pre-driver land wheel is suspended on the front of tractor hitch point, thus can reduce the distance of sower center to hitch point, reduces to promote upset moment of torsion; Achieving the dual-purpose sowing of wheat, corn drives land wheel to share, and structure is simple; The dual-purpose availability that can increase machine of wheat, corn, the design of new agronomy mode configuration solves the sowing corresponding problem of wheat and corn, type of belt drive structure of the present utility model is simple, only can realize adjusting the speed change of four seeding units with a gearbox during corn seeding, reduce Financial cost, the back rest adopts dismountable installation method meet and realize wheat, the dual-purpose sowing requirement of corn.
Accompanying drawing explanation
Fig. 1 is rack construction schematic diagram described in the utility model.
Fig. 2 described in the utility modelly revolves cutter ditching device schematic diagram.
Fig. 3 is wheat seeder forward sight structural representation described in the utility model (driving land wheel to be in transmission connection by Chain conveyer and fertilizer apparatus).
Fig. 4 is wheat seeder backsight structural representation described in the utility model.
Fig. 5 is wheat cultivation device drive mechanism schematic diagram described in the utility model.
Fig. 6 is corn drill backsight structural representation described in the utility model.
Fig. 7 is the I portion structure for amplifying schematic diagram of Fig. 6.
Fig. 8 is maise seeder units drive mechanism schematic diagram described in the utility model.
Fig. 9 is wheat seeder forward sight structural representation described in the utility model (driving land wheel to be in transmission connection by drive link and fertilizer apparatus).
In accompanying drawing: 1, three-point hitch, 2, front-axle beam, 3, side bar, 4, middle crossbeam, 5, middle intertrabecula, 6, the back rest, 7, revolve cutter gearbox, 8, intermediate supports beam, 9, side plate, 10, wheat depth-regulating plate, 11, cutterhead, 12, revolve cutter, 13, cutter shaft, 14, Wheat Sowing amount adjusting handle, 15, fertile amount adjusting handle, 16, Wheat Species case, 17, fertile case, 18, seed manure case lid, 19, wheat planting pipe, 20, fertilizer leg, 21, land wheel frame, 22, drive land wheel, 23, fertilizer apparatus, 24, wheat suppression wheel shaft, 25, wheat press wheel, 26, wheat press wheel support plate, 27, corn seeding transfer gear box, 28, parallel link mechanism, 29, feeler mechanism adjusting handle, 30, maize seed case, 31, disk coulter, 32, seed of maize, 33, corn seeds protecting plate, 34, covering device, 35, corn press wheel, 36, corn monomer frame, 37, sprocket wheel one, 38, sprocket wheel two, 39, sprocket wheel three, 40, sprocket wheel four, 41, sprocket wheel five, 42, sprocket wheel six, 43, sprocket wheel seven, 44, sprocket wheel eight, 45, sprocket wheel nine, 46, sprocket wheel ten, 47, wheat seeding unit, 48, first drive link, 49, second drive link, 50, gimbal coupling, 51, spring.
Embodiment
As shown in Figure 1, 2, frame of the present utility model is welded by front-axle beam 2, middle crossbeam 4, middle intertrabecula 5, the back rest 6, intermediate supports beam 8 and side bar 3, side bar 3 welds side plate 9, revolving cutter gearbox 7 is fixed by bolts on front-axle beam 2 and middle crossbeam 4, and wheat depth-regulating plate 10 is welded on side bar 3 back lower place.The lower hitch point of three-point hitch 1 is welded on front-axle beam 2, and upper mounting point bolt is connected on middle crossbeam 4.Revolve that cutter ditching device comprises cutter shaft 13, the cutterhead 11 be socketed on cutter shaft 13, and be arranged on cutterhead 11 periphery revolve cutter 12, cutter shaft 13 two ends use bearing to be connected with between side plate 9; As shown in Figure 2, wide, narrow row layout design that the spacing of cutterhead 11 adopts 11cm, 19cm to be cycled to repeat, both can meet the narrow/wide between-line spacing sowing requirement of wheat 11cm and 19cm, can meet again the sowing requirement of the line-spacing 60cm such as corn simultaneously.During work, tractor motive power output shaft revolves by cardan drive beam warp the cutter shaft 13 that cutter gearbox 7 is transferred to cutterhead 11, thus realizes trench digging; Wherein revolving cutter 12 can be arbitrary form.
When the utility model is as wheat seeder, as shown in Figure 3, land wheel 22 is driven to be fixed on front-axle beam 2 front by land wheel frame 21.Wheat Species case 16 and the fertile case 17 of laid out in parallel are set above frame, both upper cover seed manure case lids 18, the side plate of Wheat Species case 16 and fertile case 17 is connected on side bar 3, this side plate is positioned at below Wheat Species case 16 and Wheat Sowing amount adjusting handle 14 and fertile amount adjusting handle 15 are set, fertilizer leg 20 U-bolt is fixed on middle intertrabecula 5, wheat planting pipe 19 is bolted on fertilizer leg 20, for convenience detach.As shown in Figure 4, be fertilizer apparatus 23 and wheat seeding unit 47 below Wheat Species case 16 and fertile case 17, Wheat Species case 16 is connected the power shaft of corn seeding transfer gear box 27 with the side plate of fertile case 17.Multiple wheat press wheel 25 is socketed on wheat suppression wheel shaft 24, and wheat suppression wheel shaft 24 both sides connect wheat press wheel support plate 26, and wheat press wheel support plate 26 is fixed by bolts on frame side bar 3, makes wheat suppressing wheel device hang over wheat seeder rear.
As shown in Figure 5, wheat seeder drive mechanism comprises transmission mechanism I and transmission mechanism II, transmission mechanism I comprises the sprocket wheel 2 38 connecting and drive on the sprocket wheel 1 of land wheel 22 and land wheel frame 21, and the sprocket wheel 3 39 be positioned on corn seeding transfer gear box 27 power shaft and sprocket wheel 4 40, be arranged at the sprocket wheel 5 41 broadcast in fertile device, its middle sprocket 1 is connected with chain with sprocket wheel 2 38, sprocket wheel 2 38 is connected with chain with sprocket wheel 3 39, sprocket wheel 3 39 and sprocket wheel 4 40 coaxial, sprocket wheel 4 40 is connected with chain with sprocket wheel 5 41, sprocket wheel 5 41 connects the fertilizer apparatus 23 broadcasting fertile device.The sprocket wheel 7 43 that transmission mechanism II comprises the sprocket wheel six 42 coaxial with sprocket wheel 5 41 and is arranged in wheat cultivation device, sprocket wheel 6 42 is connected with chain with sprocket wheel 7 43, and sprocket wheel 7 43 connects wheat seeding unit 47.
During wheat cultivation, pre-driver land wheel 22 lands, land wheel 22 rotating band movable sprocket 1 is driven to rotate, thus by Chain conveyer to sprocket wheel 2 38, sprocket wheel 3 39 is passed to again by chain, sprocket wheel 3 39 is coaxial with sprocket wheel 4 40, and sprocket wheel 4 40 is by chain band movable sprocket 5 41, and sprocket wheel 5 41 drives fertilizer apparatus 23 to realize the fertile operation of Wheat Sowing; Sprocket wheel 5 41 is coaxial with sprocket wheel 6 42, and sprocket wheel 6 42 is by Chain conveyer band movable sprocket 7 43, and sprocket wheel 7 43 drives wheat 47 seeding unit to realize wheat cultivation operation.
When the utility model is as corn drill, only needing dismantles hangs over the wheat suppressing wheel device at wheat seeder rear, then connects maise seeder units, concrete as Fig. 6, shown in Fig. 7: parallel link mechanism 28 is fixed on the back rest 6 by bolt and connecting plate, and there is feeler mechanism adjusting handle 29, the output shaft of corn seeding transfer gear box 27 is fixed on side bar 3 by bearing block, corn monomer frame 36 is connected with parallel link mechanism 28, maize seed case 30 is above corn monomer frame 36, disk coulter 31, seed of maize 32 bolt is fixedly connected in corn monomer frame 36, corn seeds protecting plate 33 is fixed on disk coulter 31 axle, covering device 34 is fixed by bolts on corn seeds protecting plate 33, corn press wheel 35 is connected in corn monomer frame 36 by support, and suppression pretightning force regulating spring is installed above corn press wheel 35.
As shown in Figure 8, corn drill drive mechanism comprises transmission mechanism I and transmission mechanism II, and its transmission mechanism I is identical with the transmission mechanism I of wheat seeder.The sprocket wheel 10 that corn drill transmission mechanism II comprises the sprocket wheel 8 44 be connected on corn seeding transfer gear box 27 output shaft, is positioned at the sprocket wheel 9 45 on parallel link mechanism 28 and is positioned on seed of maize 32, wherein, sprocket wheel 8 44 is connected with chain with sprocket wheel 9 45, sprocket wheel 9 45 is connected with chain with sprocket wheel 10, sprocket wheel 10 and seed of maize 32 coaxial.
When corn seeding, three-point hitch 1 falls, to be moved ahead with tractor by the fixing pre-driver land wheel 22 of land wheel frame 21 and to rotate with ground friction, land wheel 22 rotating band movable sprocket 1 is driven to rotate, thus by Chain conveyer to sprocket wheel 2 38, then passing to sprocket wheel 3 39 by chain, sprocket wheel 3 39 is coaxial with sprocket wheel 4 40, sprocket wheel 4 40 is by chain band movable sprocket 5 41, and sprocket wheel 5 41 drives fertilizer apparatus 23 to complete corn and broadcasts fertile operation; In addition, sprocket wheel 3 39 is coaxial with corn seeding gearbox 27 power shaft, and corn seeding gearbox 27 output shaft is coaxial with sprocket wheel 8 44, then by Chain conveyer to sprocket wheel 9 45, finally arrive sprocket wheel 10, sprocket wheel 10 is coaxial with seed of maize 32, completes corn seeding operation.Wherein, seed of maize 32 can be wheel spoon formula, finger-clipped etc.
On the basis of above embodiment, suitable improvement can also be made.Such as, transmission mechanism I can also adopt structure as shown in Figure 9: drive land wheel to be fixed on frame front end by land wheel frame, transmission mechanism I comprises the second drive link 49 connecting and drive on the first drive link 48 of land wheel 22 and land wheel frame 21, and the sprocket wheel 3 39 be arranged on corn seeding transfer gear box 27 power shaft and sprocket wheel 4 40, is arranged at the sprocket wheel 5 41 broadcasting fertile device; Wherein the first drive link 48 is connected by gimbal coupling 50 with the second drive link 49, the other end of the second drive link 49 is connected with sprocket wheel 3 39, sprocket wheel 3 39 and sprocket wheel 4 40 are coaxially arranged, and sprocket wheel 4 40 is connected with chain with sprocket wheel 5 41, and sprocket wheel 5 41 connects the fertilizer apparatus 23 broadcasting fertile device.
During use, pre-driver land wheel 22 lands, land wheel 22 is driven to drive the first drive link 48 to rotate by bevel gear pair, first drive link 48 drives the second drive link 49 to rotate by gimbal coupling 50, sprocket wheel 3 39 in the other end of the second drive link 49 and transfer gear box 27 is in transmission connection, sprocket wheel 3 39 is coaxial with sprocket wheel 4 40, and sprocket wheel 4 40 is by chain band movable sprocket 5 41, and sprocket wheel 5 41 drives fertilizer apparatus 23 to realize broadcasting fertile operation.
In addition, can also sprocket wheel be changed into belt pulley, connect with belt between belt pulley.
Further, in order to make land wheel 22 keep the state that lands in seeding process, mounting spring 51 on land wheel frame 21, utilizes spring 51 elastic compression land wheel 22 to land.
Corn monomer frame 36, when carrying out wheat cultivation, can be dismantled, load onto wheat suppressing wheel device accordingly by the utility model, relies on preposition driving land wheel 22 to drive feed mechanism to complete the seeding operation of wheat.When corn seeding, dismounting wheat suppressing wheel device, by parallel link mechanism 28, corn monomer frame 36 is articulated on the back rest 6 of frame, on corresponding sprocket wheel, loads onto chain according to drive connection, utilize preposition driving land wheel 22 to drive the seeding operation of corn.The design that preposition trench digging revolves cutter 12 mainly considers the stalk that sowing field exists and stubble amount comparatively greatly, is easily wound around blocks up when corn seeding; Adopt the design of rotary tillage ditching, after completing sowing suppression, form trench, can conveniently irrigate and field drainage prevention waterlogging, and according to the cropping pattern of yield two crops a year regional wheat, corn, the spacing of reasonable Arrangement blade, the planting technology meeting wheat and corn is supporting.Drive preposition can the guarantee of land wheel 22 to drive land wheel 22 to walk on the soil of non-rotary tillage, increase and drive land wheel 22 and the frictional force on ground, reduce to skid, improve corn seeding spacing in the rows stability; Parallel link mechanism 28 on maise seeder units improves by property, can ensure the stability of seed level, improves seeding accuracy.The design can realize a tractor serves several purposes, improves machinery utilization efficiency.
Claims (6)
1. the dual-purpose no-tillage fertilizing and seeding machine of corn wheat, comprise frame, it is characterized in that: also comprise and be positioned at revolving cutter ditching device and driving land wheel of frame front end, be positioned at broadcasting fertile device, revolve cutter gearbox and corn seeding transfer gear box in frame, and the maise seeder units to be flexibly connected with frame or wheat cultivation device, described driving land wheel is broadcast fertile device by driving and is realized broadcasting fertilizer, and transmission mechanism I connection for transmission mechanism II realizes the sowing of corn or wheat; Describedly revolve that cutter ditching device comprises cutter shaft, the cutterhead be socketed on cutter shaft, and be installed on cutterhead periphery revolves cutter, cutter shaft two ends are connected with bearing between framework lateral plate, and the spacing of cutterhead adopts 10-12cm, 18-20cm to be cycled to repeat layout.
2. the dual-purpose no-tillage fertilizing and seeding machine of corn wheat according to claim 1, it is characterized in that: described driving land wheel is fixed on frame front end by land wheel frame, transmission mechanism I comprises the sprocket wheel two connecting and drive on the sprocket wheel one of land wheel and land wheel frame, and the sprocket wheel three be arranged on corn seeding transfer gear box power shaft and sprocket wheel four, is arranged at the sprocket wheel five broadcasting fertile device; Its middle sprocket one is connected with chain with sprocket wheel two, and sprocket wheel two is connected with chain with sprocket wheel three, and sprocket wheel three and sprocket wheel four are coaxially arranged, and sprocket wheel four is connected with chain with sprocket wheel five, and sprocket wheel five connects the fertilizer apparatus broadcasting fertile device.
3. the dual-purpose no-tillage fertilizing and seeding machine of corn wheat according to claim 1, it is characterized in that: described driving land wheel is fixed on frame front end by land wheel frame, transmission mechanism I comprises the second drive link connecting and drive on the first drive link of land wheel and land wheel frame, and the sprocket wheel three be arranged on corn seeding transfer gear box power shaft and sprocket wheel four, is arranged at the sprocket wheel five broadcasting fertile device; Wherein the first drive link is connected by gimbal coupling with the second drive link, and the other end of the second drive link is connected with sprocket wheel three, and sprocket wheel three and sprocket wheel four are coaxially arranged, and sprocket wheel four is connected with chain with sprocket wheel five, and sprocket wheel five connects the fertilizer apparatus broadcasting fertile device.
4. the dual-purpose no-tillage fertilizing and seeding machine of the corn wheat according to Claims 2 or 3, is characterized in that: described wheat cultivation device comprises Wheat Species case, wheat seeding unit, wheat planting pipe and wheat press wheel; Wheat Species case and the fertile case broadcast in fertile device link together, and wheat press wheel is connected on rear side of frame; Transmission mechanism II comprises the coaxial sprocket wheel six arranged and the sprocket wheel seven be arranged in wheat cultivation device with sprocket wheel five, and sprocket wheel six is connected with chain with sprocket wheel seven, and sprocket wheel seven connects wheat seeding unit.
5. the dual-purpose no-tillage fertilizing and seeding machine of the corn wheat according to Claims 2 or 3, it is characterized in that: described maise seeder units comprise the parallel link mechanism being connected to frame rear end, and the corn monomer frame to be connected with parallel link mechanism, and be connected to maize seed case, disk coulter, seed of maize, corn seeds protecting plate, covering device and the corn press wheel in corn monomer frame; The sprocket wheel ten that transmission mechanism II comprises the sprocket wheel eight be connected on corn seeding transfer gear box output shaft, is positioned at the sprocket wheel nine on parallel link mechanism and is positioned on seed of maize; Wherein, sprocket wheel eight is connected with chain with sprocket wheel nine, and sprocket wheel nine is connected with chain with sprocket wheel ten, and sprocket wheel ten connects seed of maize.
6. the dual-purpose no-tillage fertilizing and seeding machine of the corn wheat according to Claims 2 or 3, is characterized in that: mounting spring on described land wheel frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231530.7U CN204616301U (en) | 2015-04-17 | 2015-04-17 | The dual-purpose no-tillage fertilizing and seeding machine of corn wheat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520231530.7U CN204616301U (en) | 2015-04-17 | 2015-04-17 | The dual-purpose no-tillage fertilizing and seeding machine of corn wheat |
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| CN204616301U true CN204616301U (en) | 2015-09-09 |
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| CN201520231530.7U Expired - Fee Related CN204616301U (en) | 2015-04-17 | 2015-04-17 | The dual-purpose no-tillage fertilizing and seeding machine of corn wheat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104756634A (en) * | 2015-04-17 | 2015-07-08 | 河南农业大学 | Dual-purpose no-tillage fertilizing-sowing machine for maize and wheat |
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2015
- 2015-04-17 CN CN201520231530.7U patent/CN204616301U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104756634A (en) * | 2015-04-17 | 2015-07-08 | 河南农业大学 | Dual-purpose no-tillage fertilizing-sowing machine for maize and wheat |
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| GR01 | Patent grant | ||
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Granted publication date: 20150909 Termination date: 20170417 |