CN205961767U - Active no -tillage seeder - Google Patents
Active no -tillage seeder Download PDFInfo
- Publication number
- CN205961767U CN205961767U CN201620908894.9U CN201620908894U CN205961767U CN 205961767 U CN205961767 U CN 205961767U CN 201620908894 U CN201620908894 U CN 201620908894U CN 205961767 U CN205961767 U CN 205961767U
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- Prior art keywords
- assembly
- wheel
- seeding
- suppression
- transition
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- 238000003971 tillage Methods 0.000 title claims abstract description 31
- 238000010899 nucleation Methods 0.000 claims abstract description 53
- 230000001629 suppression Effects 0.000 claims abstract description 43
- 239000002689 soil Substances 0.000 claims abstract description 32
- 230000007704 transition Effects 0.000 claims description 49
- 239000003337 fertilizer Substances 0.000 claims description 35
- 239000004020 conductor Substances 0.000 claims description 13
- 230000033228 biological regulation Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract 2
- 230000004720 fertilization Effects 0.000 abstract 1
- 238000009331 sowing Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 230000037396 body weight Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Soil Working Implements (AREA)
Abstract
The utility model relates to an active no -tillage seeder belongs to the agricultural machine field. The utility model discloses a frame assembly, prevent stifled ditching assembly, fertilizing and seeding assembly, earthing suppression assembly and transmission assembly, prevent wherein that stifled ditching assembly, fertilizing and seeding assembly, earthing suppression assembly and transmission assembly fixed mounting are on the frame assembly, prevent that stifled ditching assembly includes that driving sprocket, drive shaft, L type ditching sword I, L type ditching sword II and disc cut a stubble sword, wherein driving sprocket installs in the one end of drive shaft, and the disc is cut the stubble sword and is installed in the drive shaft, cuts the both sides of stubble sword at the disc and arranges L type ditching sword I and L type ditching sword II respectively. The utility model discloses can realize the no -tillage seeding operation of hill country, the disposable processes such as preventing stifled ditching, fertilization, seeding, suppression of accomplishing has alleviateed the human labour, has satisfied the seeding requirement, has improved the operating efficiency, the initiative has been realized and has prevented stifled technique that prevent that stifled performance is strong, little to soil disturbance nature, consumption of power is few, simple structure, the adjustment is convenient.
Description
Technical field
This utility model is related to a kind of active no-tillage seeding machine, and more particularly to a kind of hilly and mountainous land is active no-tillage to be broadcast
The machine of kind, belongs to agricultural mechanical field.
Background technology
Traditional tillage method very big impact soil physicochemical property, due to often stir soil make beneficial in soil
Microorganism reduces in a large number, so that the water holding capacity of soil is declined, exacerbates the degeneration in soil.Therefore conservation tillage just seems very
Important, and the key technology that no-tillage seeding machine is it to be achieved.Existing correlation technique patent document Chinese patent
ZL200810110084.9 is Pneumatic tillage-free seeder, and this patent adopts the part such as hydraulic pump, hydraulic motor, blower fan to constitute gas
Power formula no-tillage seeding, but this big body weight of equipment type, are difficult to carry out no-tillage farming in hilly and mountainous land.Chinese patent
ZL200720102041.7 is one man operation multi-function sowing fertilizer applicator, and this patent is realized seeding and fertilizing by foot-operated mode and made
Industry is it is achieved that in small plot operation, but power mode is still artificial, is not carried out mechanization, and does not possess the property of no-tillage seeding
Energy.
In order to overcome existing some domestic no-tillage seeding machineries not to be suitable for Hills, though or also some machinery
It is applied to little field, but because mechanization degree is not high, the not high present situation of working performance.
Content of the invention
This utility model provides a kind of active no-tillage seeding machine, substantially heavy for solving conventional no-tillage seeding type
It is not suitable with the environment of Hills operation, or mechanization degree is not high, be unsatisfactory for the anti-blocking requirement of no-tillage farming.
The technical solution of the utility model is：A kind of active no-tillage seeding machine, total including support assembly, anti-blocking trench digging
One-tenth, ferti-seeding assembly, suppression of soil assembly and drive assembly, wherein anti-blocking trench digging assembly, ferti-seeding assembly, suppression of soil
Assembly and drive assembly are fixedly installed on support assembly；
Described anti-blocking trench digging assembly includes drive sprocket 9, drive shaft 10, L-type ditching knife I 11, L-type ditching knife II 12 and circle
Batch knife 13 cut by disk；Wherein drive sprocket 9 is installed on one end of drive shaft 10, and disk is cut batch knife 13 and is arranged in drive shaft 10,
The both sides that batch knife 13 cut by disk are respectively arranged L-type ditching knife I 11 and L-type ditching knife II 12.
Described support assembly includes frame 1, bearing 14 and attachment bolt 15；Its middle (center) bearing 14 is installed by attachment bolt 15
In frame 1.
Described ferti-seeding assembly includes kind of case 16, fertilizer box 17, seeding sprocket wheel 18, feed shaft 19, grain conductor 21 and leads fertilizer
Pipe 22；Wherein plant case 16 and fertilizer box 17 is installed in frame 1 side by side, feed shaft 19 passes through the bottom of kind of case 16 and fertilizer box 17, row
Kind of sprocket wheel 18 is installed on one end of feed shaft 19, and grain conductor 21 one end is connected with kind of case 16 bottom, grain conductor 21 other end and L-type
Ditching knife I 11 is connected, and fertilizer guiding tube 22 one end is connected with fertilizer box 17 bottom, and fertilizer guiding tube 22 other end is connected with L-type ditching knife II 12.
Described suppression of soil assembly includes pressure spring 2, suppression wheel support 3 and press wheel 4；Wherein press wheel 4 is installed on
One end of suppression wheel support 3, the other end of suppression wheel support 3 is connected with frame 1, and pressure spring 2 one end is installed on press wheel and props up
On frame 3, pressure spring 2 other end is connected with frame 1.
Described drive assembly includes suppressing wheel sprocket 5, transition sprocket wheel I 6, transition axis 7, transition bearing 8 and transition sprocket wheel II
20；Wherein transition sprocket wheel I 6 and transition sprocket wheel II 20 are respectively arranged in the two ends of transition axis 7, are arranged on the suppression on press wheel 4
Wheel sprocket 5 is connected with the transition sprocket wheel I 6 being installed on the same side by chain, and transition sprocket wheel II 20 is passed through chain and is arranged on together
The seeding sprocket wheel 18 of side is connected, and transition axis 7 is installed in frame 1 by transition bearing 8.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly
Connect；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning in this utility model for the language.
Operation principle of the present utility model is：
When this no-tillage seeding machine works, the soil fertility according to hilly and mountainous land and corresponding agriculture requirement, regulate L-type
Ditching knife I 11 and the position of L-type ditching knife II 12, ready seed and fertilizer are poured in kind of case 16 and fertilizer box 17 respectively,
And regulate the amount of sowing and dose, frame 1 front end is mounted with dynamic power machine, and the power of dynamic power machine is passed through Chain conveyer
Pass to drive sprocket 9, under the rotation of drive sprocket 9, batch knife 13 active rotation cut by disk, complete breaking effect, and L-type is opened
Ditch knife I 11 and L-type ditching knife II 12 bury therewith, and meanwhile, press wheel 4 rolls in the presence of dynamic power machine dragging and advances, band
The rotation of dynamic suppression wheel sprocket 5, transition sprocket wheel I 6 is passed through chain also concomitant rotation, transition sprocket wheel II 20 also synchronous axial system, is passed through
Chain-driving seeding sprocket wheel 18 rotates, and under the drive of feed shaft 19, discharges seed manure, and impose on L from kind of case 16 and fertilizer box 17
In the soil that type ditching knife I 11 and L-type ditching knife II 12 are opened, under the rolling of press wheel 4, seed manure and soil are fully contacted,
Complete breaking anti-blocking, sowing, fertilising, suppression etc. operation.
Wherein, drive the disk in drive shaft 10 to cut batch knife 13 after described drive sprocket 9 obtains moment of torsion and carry out active time
Transhipment is dynamic.
Described disk is cut batch knife 13 and is perpendicular to earth's surface cutting soil, and institute's cutting profile is vertical vertical plane, L-type ditching knife I 11
Under earth's surface, level carries out cutting soil in earth's surface with L-type ditching knife II 12, and institute's cutting profile is horizontal plane.
The beneficial effects of the utility model are：
1st, this utility model can realize the no-tillage seeding operation of Hills, disposably complete anti-blocking trench digging, apply fertilizer, broadcast
The operation such as plant, suppress, alleviating human labour, meeting sowing and require, improve working performance.
2nd, this utility model achieves active anti-blocking technology using the rotary motion that batch knife cut by disk, and anti-blocking performance is strong, right
Soil disturbance is little, and power consumption is few.
3rd, this utility model structure is simple, easy to adjust, and conservation tillage is pushed away in Hills and small plot area
Extensively have great importance.
Brief description
Fig. 1 is axonometric drawing of the present utility model；
Fig. 2 is right view of the present utility model；
The each label of in figure：1- frame, 2- pressure spring, 3- suppression wheel support, 4 ,-press wheel, 5- suppression wheel sprocket, 6- mistake
Cross chain wheel I, 7- transition axis, 8- transition bearing, 9- drive sprocket, 10- drive shaft, 11-L type ditching knife I, 12-L type ditching knife
IIth, 13- disk cut a batch knife, 14- bearing, 15- attachment bolt, 16- kind case, 17- fertilizer box, 18- seeding sprocket wheel, 19- feed shaft,
20- transition sprocket wheel II, 21- grain conductor, 22- fertilizer guiding tube.
Specific embodiment
Embodiment 1：As shown in Figure 1-2, a kind of active no-tillage seeding machine, including support assembly, anti-blocking trench digging assembly, applies
Fertile sowing assembly, suppression of soil assembly and drive assembly, wherein anti-blocking trench digging assembly, ferti-seeding assembly, suppression of soil assembly
It is fixedly installed on support assembly with drive assembly；
Described anti-blocking trench digging assembly includes drive sprocket 9, drive shaft 10, L-type ditching knife I 11, L-type ditching knife II 12 and circle
Batch knife 13 cut by disk；Wherein drive sprocket 9 is installed on one end of drive shaft 10, and disk is cut batch knife 13 and is arranged in drive shaft 10,
The both sides that batch knife 13 cut by disk are respectively arranged L-type ditching knife I 11 and L-type ditching knife II 12.
Described support assembly includes frame 1, bearing 14 and attachment bolt 15；Its middle (center) bearing 14 is installed by attachment bolt 15
In frame 1.
Described ferti-seeding assembly includes kind of case 16, fertilizer box 17, seeding sprocket wheel 18, feed shaft 19, grain conductor 21 and leads fertilizer
Pipe 22；Wherein plant case 16 and fertilizer box 17 is installed in frame 1 side by side, feed shaft 19 passes through the bottom of kind of case 16 and fertilizer box 17, row
Kind of sprocket wheel 18 is installed on one end of feed shaft 19, and grain conductor 21 one end is connected with kind of case 16 bottom, grain conductor 21 other end and L-type
Ditching knife I 11 is connected, and fertilizer guiding tube 22 one end is connected with fertilizer box 17 bottom, and fertilizer guiding tube 22 other end is connected with L-type ditching knife II 12.
Described suppression of soil assembly includes pressure spring 2, suppression wheel support 3 and press wheel 4；Wherein press wheel 4 is installed on
One end of suppression wheel support 3, the other end of suppression wheel support 3 is connected with frame 1, and pressure spring 2 one end is installed on press wheel and props up
On frame 3, pressure spring 2 other end is connected with frame 1.
Described drive assembly includes suppressing wheel sprocket 5, transition sprocket wheel I 6, transition axis 7, transition bearing 8 and transition sprocket wheel II
20；Wherein transition sprocket wheel I 6 and transition sprocket wheel II 20 are respectively arranged in the two ends of transition axis 7, are arranged on the suppression on press wheel 4
Wheel sprocket 5 is connected with the transition sprocket wheel I 6 being installed on the same side by chain, and transition sprocket wheel II 20 is passed through chain and is arranged on together
The seeding sprocket wheel 18 of side is connected, and transition axis 7 is installed in frame 1 by transition bearing 8.
Embodiment 2：As shown in Figure 1-2, a kind of active no-tillage seeding machine, including support assembly, anti-blocking trench digging assembly, applies
Fertile sowing assembly, suppression of soil assembly and drive assembly, wherein anti-blocking trench digging assembly, ferti-seeding assembly, suppression of soil assembly
It is fixedly installed on support assembly with drive assembly；
Described anti-blocking trench digging assembly includes drive sprocket 9, drive shaft 10, L-type ditching knife I 11, L-type ditching knife II 12 and circle
Batch knife 13 cut by disk；Wherein drive sprocket 9 is installed on one end of drive shaft 10, and disk is cut batch knife 13 and is arranged in drive shaft 10,
The both sides that batch knife 13 cut by disk are respectively arranged L-type ditching knife I 11 and L-type ditching knife II 12.
Described support assembly includes frame 1, bearing 14 and attachment bolt 15；Its middle (center) bearing 14 is installed by attachment bolt 15
In frame 1.
Embodiment 3：As shown in Figure 1-2, a kind of active no-tillage seeding machine, including support assembly, anti-blocking trench digging assembly, applies
Fertile sowing assembly, suppression of soil assembly and drive assembly, wherein anti-blocking trench digging assembly, ferti-seeding assembly, suppression of soil assembly
It is fixedly installed on support assembly with drive assembly；
Described anti-blocking trench digging assembly includes drive sprocket 9, drive shaft 10, L-type ditching knife I 11, L-type ditching knife II 12 and circle
Batch knife 13 cut by disk；Wherein drive sprocket 9 is installed on one end of drive shaft 10, and disk is cut batch knife 13 and is arranged in drive shaft 10,
The both sides that batch knife 13 cut by disk are respectively arranged L-type ditching knife I 11 and L-type ditching knife II 12.
Described ferti-seeding assembly includes kind of case 16, fertilizer box 17, seeding sprocket wheel 18, feed shaft 19, grain conductor 21 and leads fertilizer
Pipe 22；Wherein plant case 16 and fertilizer box 17 is installed in frame 1 side by side, feed shaft 19 passes through the bottom of kind of case 16 and fertilizer box 17, row
Kind of sprocket wheel 18 is installed on one end of feed shaft 19, and grain conductor 21 one end is connected with kind of case 16 bottom, grain conductor 21 other end and L-type
Ditching knife I 11 is connected, and fertilizer guiding tube 22 one end is connected with fertilizer box 17 bottom, and fertilizer guiding tube 22 other end is connected with L-type ditching knife II 12；
Embodiment 4：As shown in Figure 1-2, a kind of active no-tillage seeding machine, including support assembly, anti-blocking trench digging assembly, applies
Fertile sowing assembly, suppression of soil assembly and drive assembly, wherein anti-blocking trench digging assembly, ferti-seeding assembly, suppression of soil assembly
It is fixedly installed on support assembly with drive assembly；
Described anti-blocking trench digging assembly includes drive sprocket 9, drive shaft 10, L-type ditching knife I 11, L-type ditching knife II 12 and circle
Batch knife 13 cut by disk；Wherein drive sprocket 9 is installed on one end of drive shaft 10, and disk is cut batch knife 13 and is arranged in drive shaft 10,
The both sides that batch knife 13 cut by disk are respectively arranged L-type ditching knife I 11 and L-type ditching knife II 12.
Described suppression of soil assembly includes pressure spring 2, suppression wheel support 3 and press wheel 4；Wherein press wheel 4 is installed on
One end of suppression wheel support 3, the other end of suppression wheel support 3 is connected with frame 1, and pressure spring 2 one end is installed on press wheel and props up
On frame 3, pressure spring 2 other end is connected with frame 1.
Embodiment 5：As shown in Figure 1-2, a kind of active no-tillage seeding machine, including support assembly, anti-blocking trench digging assembly, applies
Fertile sowing assembly, suppression of soil assembly and drive assembly, wherein anti-blocking trench digging assembly, ferti-seeding assembly, suppression of soil assembly
It is fixedly installed on support assembly with drive assembly；
Described anti-blocking trench digging assembly includes drive sprocket 9, drive shaft 10, L-type ditching knife I 11, L-type ditching knife II 12 and circle
Batch knife 13 cut by disk；Wherein drive sprocket 9 is installed on one end of drive shaft 10, and disk is cut batch knife 13 and is arranged in drive shaft 10,
The both sides that batch knife 13 cut by disk are respectively arranged L-type ditching knife I 11 and L-type ditching knife II 12.
Described drive assembly includes suppressing wheel sprocket 5, transition sprocket wheel I 6, transition axis 7, transition bearing 8 and transition sprocket wheel II
20；Wherein transition sprocket wheel I 6 and transition sprocket wheel II 20 are respectively arranged in the two ends of transition axis 7, are arranged on the suppression on press wheel 4
Wheel sprocket 5 is connected with the transition sprocket wheel I 6 being installed on the same side by chain, and transition sprocket wheel II 20 is passed through chain and is arranged on together
The seeding sprocket wheel 18 of side is connected, and transition axis 7 is installed in frame 1 by transition bearing 8.
Embodiment 6：As shown in Figure 1-2, a kind of active no-tillage seeding machine, including support assembly, anti-blocking trench digging assembly, applies
Fertile sowing assembly, suppression of soil assembly and drive assembly, wherein anti-blocking trench digging assembly, ferti-seeding assembly, suppression of soil assembly
It is fixedly installed on support assembly with drive assembly；
Described anti-blocking trench digging assembly includes drive sprocket 9, drive shaft 10, L-type ditching knife I 11, L-type ditching knife II 12 and circle
Batch knife 13 cut by disk；Wherein drive sprocket 9 is installed on one end of drive shaft 10, and disk is cut batch knife 13 and is arranged in drive shaft 10,
The both sides that batch knife 13 cut by disk are respectively arranged L-type ditching knife I 11 and L-type ditching knife II 12.
Above in conjunction with accompanying drawing, specific embodiment of the present utility model is explained in detail, but this utility model is not
It is limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also be without departing from this practicality
On the premise of new objective, various changes can be made.
Claims (5)
1. a kind of active no-tillage seeding machine it is characterised in that：Including support assembly, anti-blocking trench digging assembly, ferti-seeding assembly,
Suppression of soil assembly and drive assembly, wherein anti-blocking trench digging assembly, ferti-seeding assembly, suppression of soil assembly and drive assembly are solid
Dingan County is loaded on support assembly；
Described anti-blocking trench digging assembly includes drive sprocket（9）, drive shaft（10）, L-type ditching knife I（11）, L-type ditching knife II（12）
Cut a batch knife with disk（13）；Wherein drive sprocket（9）It is installed on drive shaft（10）One end, disk cuts a batch knife（13）It is arranged on drive
Moving axis（10）On, cut a batch knife in disk（13）Both sides be respectively arranged L-type ditching knife I（11）With L-type ditching knife II（12）.
2. active no-tillage seeding machine according to claim 1 it is characterised in that：Described support assembly includes frame（1）、
Bearing（14）And attachment bolt（15）；Its middle (center) bearing（14）By attachment bolt（15）It is installed on frame（1）On.
3. active no-tillage seeding machine according to claim 1 it is characterised in that：Described ferti-seeding assembly includes kind of a case
（16）, fertilizer box（17）, seeding sprocket wheel（18）, feed shaft（19）, grain conductor（21）And fertilizer guiding tube（22）；
Wherein plant case（16）And fertilizer box（17）It is installed on frame side by side（1）On, feed shaft（19）Pass through kind of a case（16）And fertilizer box
（17）Bottom, seeding sprocket wheel（18）It is installed on feed shaft（19）One end, grain conductor（21）One end and kind case（16）Bottom phase
Even, grain conductor（21）The other end and L-type ditching knife I（11）It is connected, fertilizer guiding tube（22）One end and fertilizer box（17）Bottom is connected, and leads fertilizer
Pipe（22）The other end and L-type ditching knife II（12）It is connected.
4. active no-tillage seeding machine according to claim 1 it is characterised in that：Described suppression of soil assembly includes pressure regulation
Spring（2）, suppression wheel support（3）And press wheel（4）；
Wherein press wheel（4）It is installed on suppression wheel support（3）One end, suppress wheel support（3）The other end and frame（1）Phase
Even, pressure spring（2）One end is installed on suppression wheel support（3）On, pressure spring（2）The other end and frame（1）It is connected.
5. active no-tillage seeding machine according to claim 1 it is characterised in that：Described drive assembly includes suppressing endless chain
Wheel（5）, transition sprocket wheel I（6）, transition axis（7）, transition bearing（8）With transition sprocket wheel II（20）；
Wherein transition sprocket wheel I（6）With transition sprocket wheel II（20）It is respectively arranged in transition axis（7）Two ends, be arranged on press wheel（4）
On suppression wheel sprocket（5）By chain and the transition sprocket wheel I being installed on the same side（6）It is connected, transition sprocket wheel II（20）Pass through
Chain and the seeding sprocket wheel being arranged on the same side（18）It is connected, transition axis（7）By transition bearing（8）It is installed on frame（1）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620908894.9U CN205961767U (en) | 2016-08-22 | 2016-08-22 | Active no -tillage seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620908894.9U CN205961767U (en) | 2016-08-22 | 2016-08-22 | Active no -tillage seeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205961767U true CN205961767U (en) | 2017-02-22 |
Family
ID=58031815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620908894.9U Expired - Fee Related CN205961767U (en) | 2016-08-22 | 2016-08-22 | Active no -tillage seeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205961767U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106068820A (en) * | 2016-08-22 | 2016-11-09 | 昆明理工大学 | A kind of active no-tillage seeding machine |
| CN107046877A (en) * | 2017-03-28 | 2017-08-18 | 昆明理工大学 | A kind of corn seeder combined with fertilizing apparatus |
| CN107079637A (en) * | 2017-05-25 | 2017-08-22 | 甘肃农业大学 | No-tillage and cover combined seed and fertilizer drill |
| CN112166751A (en) * | 2020-09-29 | 2021-01-05 | 李加巧 | Agricultural seeding equipment |
-
2016
- 2016-08-22 CN CN201620908894.9U patent/CN205961767U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106068820A (en) * | 2016-08-22 | 2016-11-09 | 昆明理工大学 | A kind of active no-tillage seeding machine |
| CN107046877A (en) * | 2017-03-28 | 2017-08-18 | 昆明理工大学 | A kind of corn seeder combined with fertilizing apparatus |
| CN107079637A (en) * | 2017-05-25 | 2017-08-22 | 甘肃农业大学 | No-tillage and cover combined seed and fertilizer drill |
| CN112166751A (en) * | 2020-09-29 | 2021-01-05 | 李加巧 | Agricultural seeding equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20180822 |