CN104718852B - Precision seeding machine - Google Patents
Precision seeding machine Download PDFInfo
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- CN104718852B CN104718852B CN201510144868.3A CN201510144868A CN104718852B CN 104718852 B CN104718852 B CN 104718852B CN 201510144868 A CN201510144868 A CN 201510144868A CN 104718852 B CN104718852 B CN 104718852B
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- China
- Prior art keywords
- cup body
- torsion spring
- housing
- throwing
- seeding machine
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010899 nucleation Methods 0.000 title claims abstract description 19
- 230000000903 blocking effect Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000009331 sowing Methods 0.000 abstract description 14
- 238000005553 drilling Methods 0.000 abstract description 5
- 241000196324 Embryophyta Species 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 235000014571 nuts Nutrition 0.000 description 5
- 235000017060 Arachis glabrata Nutrition 0.000 description 3
- 244000105624 Arachis hypogaea Species 0.000 description 3
- 235000010777 Arachis hypogaea Nutrition 0.000 description 3
- 235000018262 Arachis monticola Nutrition 0.000 description 3
- 235000010149 Brassica rapa subsp chinensis Nutrition 0.000 description 3
- 235000000536 Brassica rapa subsp pekinensis Nutrition 0.000 description 3
- 241000499436 Brassica rapa subsp. pekinensis Species 0.000 description 3
- 244000062793 Sorghum vulgare Species 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 235000019713 millet Nutrition 0.000 description 3
- 235000020232 peanut Nutrition 0.000 description 3
- 241000826860 Trapezium Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 241000201976 Polycarpon Species 0.000 description 1
- 244000046109 Sorghum vulgare var. nervosum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- AIMMVWOEOZMVMS-UHFFFAOYSA-N cyclopropanecarboxamide Chemical compound NC(=O)C1CC1 AIMMVWOEOZMVMS-UHFFFAOYSA-N 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Sowing (AREA)
Abstract
The present invention discloses a kind of precision seeding machine, comprise housing, housing is provided with opening for feed, discharge port and rotatable main shaft, main shaft is provided with subpanel, it is uniformly distributed with multiple throwing kind torsion spring in subpanel both sides respectively along the circumference, the straight bar in outer end throwing kind of torsion spring is provided with kind of a cup body, kind of cup body is provided with four pyramid pits, pit bottom is near planting one jiao, the lower end of cup body, and on kind of cup body, corresponding subpanel side is provided with trapezoidal gap I; Being provided with two position blocking pins on housing, two position blocking pins are arranged on the rotation round throwing kind of torsion spring outer end; Multiple four square sets respectively detachable flip be sleeved on kind of cup body, the appearance kind degree of depth formed between its wall upper end and pit bottom after four square sets upsets are not etc. Advantage is: can realizing sowing various types of seed, versatility is good; Just the different appearance kind degree of depth can be changed by overturning four square sets, easy to adjust, it is possible to realize precision drilling according to different seeds; Different sowing spacing in the rows can be realized.
Description
Technical field
The present invention relates to a kind of seeder, in particular to a kind of precision seeding machine.
Background technology
Seeder refers to taking crop, seed as sowing the planting machinery of object, seeder have sowing evenly, the depth is consistent, line-spacing is stable, earthing is good, the saving feature such as seed, working efficiency height. Along with the development of agriculture production technology, the performance requriements of seeder is also more and more higher, in order to realize, a machine is multiplex and precision drilling, and people have invented the seeder of various structure, and wherein wheeled seeder is a kind of general sowing machinery. There is following problem in existing wheeled seeder: 1, a kind of seeding wheel can only broadcast a kind of seed, can only change different seeding wheels, poor universality when broadcasting different seed; 2, application rate adjustment is inconvenient, it is difficult to realize precision drilling.
Summary of the invention
Technical problem to be solved by this invention to be provided one can sow various types of seed, and versatility is good, easy to adjust, it is possible to realize the precision seeding machine of precision drilling.
The technical scheme of the present invention is as follows:
A kind of precision seeding machine, comprise the housing established in and hold kind of chamber, it is provided with opening for feed in upper end, housing side, under another side of housing, end is provided with discharge port, housing is provided with rotatable main shaft, main shaft is positioned at housing and is provided with subpanel, multiple throwing kind torsion spring it is uniformly distributed with respectively along the circumference in subpanel both sides, a throwing kind torsion spring two ends axis is parallel to each other and one end is radially stuck in subpanel, the straight bar of the other end throwing kind of torsion spring is provided with kind of a cup body, kind of cup body is provided with four pyramid pits, pit bottom is near planting one jiao, the lower end of cup body, on kind of cup body, corresponding subpanel side is provided with trapezoidal gap I, being positioned at its opening for feed one upper lateral part on housing and be provided with two position blocking pins, two position blocking pins are arranged on the rotation round throwing kind of torsion spring outer end, also be provided with multiple four square sets, four square sets respectively detachable flip be sleeved on kind of cup body, the appearance kind degree of depth formed between its wall upper end and pit bottom after four square sets upsets are not etc.
As preferably, when the described straight bar of the other end throwing kind of torsion spring rotates to, during with sea line angle 45 degree, its end snaps on the first position blocking pin; When the described straight bar of the other end throwing kind of torsion spring rotates to, during with sea line angle 60 degree, its end snaps on the 2nd position blocking pin.
As preferably, described kind cup body is square and is injection molded into one with the straight bar of the other end throwing kind of torsion spring.
As preferably, by wearing, nail is fixed on kind of cup body described four square sets, the height that three sidewall upper in each four square set are respectively equipped with trapezoidal gap II and three trapezoidal gap II is not etc., the through hole I wearing nail for running through it is respectively equipped with, so that regulating the appearance kind degree of depth of kind of cup body at four square set walls.
As preferably, the four sides side wall lower ends in each four square set is respectively equipped with trapezoidal gap III, interfere with the described straight bar of the other end throwing kind of torsion spring to avoid.
As preferably, being provided with about two side by side and arrange the through hole II wearing nail for running through on kind of cup body, through hole II is axially axially vertical with the straight bar of the other end of described throwing kind torsion spring, so that regulating the appearance kind degree of depth of kind of cup body.
As preferably, trapezoidal gap I time end and the vertical height of pit bottom on described kind cup body are 1.8mm, so that the sowing small-sized seed such as millet, Chinese cabbage.
As preferably, described in wear nail when running through the through hole II being positioned at lower section on kind of cup body, the appearance kind degree of depth formed between four square set walls and pit bottom is followed successively by 3.4mm, 6.8mm, 10.2mm and 13.6mm; Described wear nail run through kind of cup body is positioned at top through hole II time, between four square set walls and pit bottom formed the appearance kind degree of depth be followed successively by 5.1mm, 8.5mm, 11.9mm and 15.3mm.
As preferably, being evenly equipped with four installation shaft respectively near outer rim place in subpanel both sides, described throwing kind torsion spring is eight and is set with on the mounting shaft by the spiral section in the middle part of it respectively.
As preferably, corresponding another side of its opening for feed is provided with and installs mouth and be hinged with turning upper cover on housing, in housing, it is provided with buffer block above its discharge port corresponding of upper end, to avoid the seed after dishing out to be knocked against hard by housing.
The invention has the beneficial effects as follows: coordinate, by kind of cup body and four square sets, or many seeds that can scoop in housing, respectively throwing kind torsion spring is saved up strength and screens through two position blocking pins again, just the seed scooped can be carried out impelling and discharge by discharge port, therefore this seeder can realize sowing various types of seed, and versatility is good; Owing to four square sets difference Demountable assemblings are on kind of cup body, the appearance kind degree of depth formed between four square set wall upper ends and pit bottom is not etc., therefore the different appearance kind degree of depth can just be changed by overturning four square sets, easy to adjust, it is possible to realize precision drilling according to different seeds; Coordinate suitable speed change mechanism again by arranging the kind cup body of different quantities in subpanel, just can realize different sowing spacing in the rows.
Accompanying drawing explanation
Fig. 1 is the structure sectional view after the present invention dismantles four square sets.
Fig. 2 is the perspective view of Fig. 1.
Fig. 3 is main shaft of the present invention and the scheme of installation planting cup body.
Fig. 4 is the three-dimensional structure diagram that the present invention plants cup body.
Fig. 5 is the assembling schematic diagram I that the present invention plants cup body and four square sets.
Fig. 6 is the assembling schematic diagram II that the present invention plants cup body and four square sets.
Fig. 7 is the assembling schematic diagram III that the present invention plants cup body and four square sets.
Fig. 8 is the assembling schematic diagram IV that the present invention plants cup body and four square sets.
In figure: housing 1, hold kind of a chamber 101, discharging channel 102, opening for feed 103, discharge port 104, buffer block 2, turning upper cover 3, elastic bumps 4, the 2nd position blocking pin 5, first position blocking pin 6, guide plate 7, throws kind of a torsion spring 8, installation shaft 9, main shaft 10, plants cup body 11, pit 1101, trapezoidal gap I 1102, through hole II 1103, bearing 12, fitting nut 13, compressing tablet 14, set nut 15, sprocket wheel 16, supporting sleeve 17, subpanel 18, groove 1801, four square sets 19, trapezoidal gap II 1901, through hole I 1902, trapezoidal gap III 1903, wears nail 20.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, so that those skilled in the art can implement according to this with reference to description.
As shown in Figure 1, a kind of precision seeding machine that the present invention relates to, comprise the housing 1 established in and hold kind of chamber 101, it is provided with opening for feed 103 in upper end, housing 1 side, under another side of housing 1, end is provided with discharge port 104, in housing 1, corresponding opening for feed 103 place is provided with guide plate 7, and in housing 1, corresponding discharge port 104 place is provided with discharging channel 102. In housing 1 upper end, its another side of opening for feed 103 corresponding is provided with and installs mouth and be hinged with turning upper cover 3, elastic bumps 4 and the groove of mutual corresponding matching it is respectively equipped with between the free end and housing 1 inwall of turning upper cover 3, it is pasted with buffer block 2 above its discharge port 104 corresponding of upper end in housing 1, buffer block 2 is preferably flexible urethane foam, to avoid the seed after dishing out to be knocked against hard by housing 1.
As shown in Figure 3, housing 1 is provided with rotatable main shaft 10, main shaft 10 runs through the side plate of housing 1 both sides and is arranged between housing 1 two side plates by bearing 12, described bearing 12 is welded on the side plate of housing 1 both sides respectively, it is positioned in main shaft 10 one end and by set nut 15, sprocket wheel 16 is installed outside housing 1, rotate for connection for transmission mechanism drive shaft 10. Main shaft 10 is positioned at housing 1 and is provided with supporting sleeve 17, subpanel 18, compressing tablet 14 and fitting nut 13 successively, in supporting sleeve 17, hole is tapered hole and is coordinated by cone surface with main shaft 10, and described subpanel 18 is clamped between supporting sleeve 17 and compressing tablet 14 by fitting nut 13.
As shown in Figures 2 and 3, uniform respectively near outer rim place in subpanel 18 both sides being installed with four installation shaft 9, be along the circumferential direction evenly equipped with eight open holess in subpanel 18, described installation shaft 9 one end is installed in corresponding open holes by shrink-fit respectively. Be uniformly distributed with multiple throwing kind torsion spring 8 respectively along the circumference in subpanel 18 both sides, described throwing kind torsion spring 8 is eight and is sleeved in installation shaft 9 by the spiral section in the middle part of it respectively. Being uniformly distributed with four semi-circular grooves 1801 respectively along the circumference at subpanel 18 two end faces, a described throwing kind torsion spring 8 two ends axis is parallel to each other and one end is radially inserted in groove 1801 corresponding in subpanel 18.
As shown in Figure 3 and Figure 4, the straight bar of the other end throwing kind of torsion spring 8 is provided with kind of a cup body 11, as preferably, described kind cup body 11 is square and is injection molded into one with the straight bar of the other end throwing kind of torsion spring 8. Kind of cup body 11 is provided with four pyramid pits 1101, near one jiao, kind cup body 11 times ends of installation shaft 9 side bottom pit 1101, the cross section of pit 1101 is square, in four faces forming pit 1101, wherein two adjacent facetss are and kind of a plane for cup body 11 respective side outside wall parallel, all the other two adjacent facetss are approximate 45 degree of inclined-planes, and on kind of cup body 11, corresponding subpanel 18 and surface, installation shaft 9 side are provided with the right-angled trapezium gap I 1102 coordinating with pit 1101 and communicating. As preferably, the trapezoidal gap I 1102 times ends on described kind cup body 11 and the vertical height bottom pit 1101 are 1.8mm, so that the sowing small-sized seed such as millet, Chinese cabbage.
As shown in Figure 1, being positioned at its opening for feed 103 1 upper lateral part and be equipped with two position blocking pins on housing 1, two position blocking pins are arranged on the rotation round throwing kind of torsion spring 8 outer end; When the described straight bar of the other end throwing kind of torsion spring 8 is rotated counterclockwise to, when being 45 degree with sea line angle, its end snaps on the first position blocking pin 6; When the described straight bar of the other end throwing kind of torsion spring 8 rotates to, when being 60 degree with sea line angle, its end snaps on the 2nd position blocking pin 5.
As shown in Fig. 5��Fig. 8, this seeder is also provided with multiple four square sets 19, the cross section of four square sets 19 is for square and respectively by wearing nail 20 Demountable assemblings on kind of cup body 11, kind of cup body 11 is provided with about two side by side and arranges the through hole II 1103 wearing nail 20 for running through, through hole II 1103 is axially axially vertical with the straight bar of the other end of described throwing kind torsion spring 8, the through hole I 1902 wearing nail 20 for running through it is not provided with in four square set 19 wall lower middle portion, four square sets 19 can arbitrarily be turned over after dismantling on kind of cup body 11 to turn 90 degrees and are sleeved on kind of cup body 11 again, four square sets 19 overturn after bottom its wall upper end and pit 1101 between the appearance kind degree of depth that formed not etc.
As preferably, the height that three sidewall upper in each four square set 19 are respectively equipped with right-angled trapezium gap II 1901 and three trapezoidal gap II 1901 not etc., to form the different appearance kind degree of depth. Described nail 20 of wearing is when running through be positioned at lower section on kind of cup body 11 through hole II 1103, and the appearance kind degree of depth formed between bottom four corresponding trapezoidal gap I 1102 sides of square set 19 walls and pit 1101 is followed successively by 3.4mm, 6.8mm, 10.2mm and 13.6mm. Described nail 20 of wearing is when running through be positioned at top on kind of cup body 11 through hole II 1103, and the appearance kind degree of depth formed between bottom four corresponding trapezoidal gap I 1102 sides of square set 19 walls and pit 1101 is followed successively by 5.1mm, 8.5mm, 11.9mm and 15.3mm. Four sides side wall lower ends in each four square set 19 is respectively equipped with trapezoidal gap III 1903, interferes with the described straight bar of the other end throwing kind of torsion spring 8 to avoid.
This seeder can realize nine grades of appearance kind degree of depth of kind of cup body 11. First grade, pull down four square sets 19 and it is used alone kind of a pit for cup body 11 1101, utilize the 1.8mm height fall bottom the trapezoidal gap I 1102 times ends planting cup body 11 and pit 1101 to form little threshold, can be used to the sowing small-sized seed such as millet, Chinese cabbage. Second gear, to ninth speed, utilizes four square set 19 four sides to be set in upper and lower two through holes II 1103 of kind of cup body 11 by wearing nail 20 respectively, can obtain eight kinds and hold kind of a degree of depth. Wherein second gear holds kind of the degree of depth by sowing Chinese sorghum kind one setting, and holding kind of a degree of depth is 3.4mm; It is 13.6mm that eighth speed holds kind of a degree of depth, is applicable to grain in a sowing peanut kind; It is 15.3mm that ninth speed holds kind of a degree of depth, by big grain peanut seed one setting. Other each shelves are applicable to one, other kind seed or many sowings. Described kind cup body 11 and throw kind of torsion spring 8 can in subpanel 18 according to quantity be 1,2,4,8 four kind of mode arrange, then coordinate suitable speed change mechanism can realize different sowing spacing in the rows.
This seeder can be arranged on machine and draw or horse is drawn on seed sower, during work, seed joins in housing 1 by opening for feed 103, main shaft 10 is driven to rotate by speed change transmission rig, subpanel 18 and kind cup body 11 are along with rotation, plant cup body 11 and scoop out several (peanut only) seeds from bottom in housing 1 in rotation simultaneously, when kind of a cup body 11 rotates to the upper right quarter shown in Fig. 1, the unnecessary seed carried outside kind of cup body 11 pit will fall back under the acting in conjunction of mass force and gravity and hold in kind chamber 101, only being positioned at grain seed more than of pit 1101 or setting still occupies stably at pit 1101, when the straight bar in outer end throwing kind of torsion spring 8 is rotated counterclockwise to when being 45 degree with sea line angle, its end snaps on the first position blocking pin 6 and by the tight storage power of torsion, reversed close to departing from the first position blocking pin 6 when 45 degree until throwing kind of torsion spring 8 outer end along with subpanel 18 rotates, now drive kind of a cup body 11 to take seed under the spring restorer effect throwing kind of torsion spring 8 to accelerate to rotate, until encountering the 2nd position blocking pin 5, the seed planted in cup body 11 pit is dished out under mass force effect, enter discharging channel 102 after collision buffering block 2, finally discharge by discharge port 104 and fall into soil.
Although embodiment of the present invention are open as above, but listed utilization that it is not restricted in specification sheets and enforcement mode, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore claim is not being deviated from and under general concept that equivalency range limits, the present invention is not limited to specific details and illustrates and the legend described here.
Claims (10)
1. a precision seeding machine, comprise the housing established in and hold kind of chamber, it is provided with opening for feed in upper end, housing side, under another side of housing, end is provided with discharge port, housing is provided with rotatable main shaft, it is characterized in that: on main shaft, be positioned at housing be provided with subpanel, multiple throwing kind torsion spring it is uniformly distributed with respectively along the circumference in subpanel both sides, a throwing kind torsion spring two ends axis is parallel to each other and one end is radially stuck in subpanel, the straight bar of the other end throwing kind of torsion spring is provided with kind of a cup body, kind of cup body is provided with four pyramid pits, pit bottom is near planting one jiao, the lower end of cup body, on kind of cup body, corresponding subpanel side is provided with trapezoidal gap I, being positioned at its opening for feed one upper lateral part on housing and be provided with two position blocking pins, two position blocking pins are arranged on the rotation round throwing kind of torsion spring outer end, also be provided with multiple four square sets, four square sets respectively detachable flip be sleeved on kind of cup body, the appearance kind degree of depth formed between its wall upper end and pit bottom after four square sets upsets are not etc.
2. precision seeding machine according to claim 1, is characterized in that: when the described straight bar of the other end throwing kind of torsion spring rotates to, during with sea line angle 45 degree, its end snaps on the first position blocking pin; When the described straight bar of the other end throwing kind of torsion spring rotates to, during with sea line angle 60 degree, its end snaps on the 2nd position blocking pin.
3. precision seeding machine according to claim 1, is characterized in that: described kind cup body is square and is injection molded into one with the straight bar of the other end throwing kind of torsion spring.
4. precision seeding machine according to claim 1 or 3, it is characterized in that: by wearing, nail is fixed on kind of cup body described four square sets, the height that three sidewall upper in each four square set are respectively equipped with trapezoidal gap II and three trapezoidal gap II not etc., is not respectively equipped with the through hole I wearing nail for running through at four square set walls.
5. precision seeding machine according to claim 4, is characterized in that: the four sides side wall lower ends in each four square set is respectively equipped with trapezoidal gap III.
6. precision seeding machine according to claim 5, is characterized in that: is provided with about two on kind of cup body side by side and arranges the through hole II wearing nail for running through, and through hole II is axially axially vertical with the straight bar of the other end of described throwing kind torsion spring.
7. precision seeding machine according to claim 6, is characterized in that: trapezoidal gap I time end and the vertical height of pit bottom on described kind cup body are 1.8mm.
8. precision seeding machine according to claim 6, is characterized in that: described in wear nail run through kind of cup body is positioned at lower section through hole II time, between four square set walls and pit bottom formed the appearance kind degree of depth be followed successively by 3.4mm, 6.8mm, 10.2mm and 13.6mm; Described wear nail run through kind of cup body is positioned at top through hole II time, between four square set walls and pit bottom formed the appearance kind degree of depth be followed successively by 5.1mm, 8.5mm, 11.9mm and 15.3mm.
9. precision seeding machine according to the arbitrary item of claims 1 to 3, is characterized in that: be evenly equipped with four installation shaft respectively near outer rim place in subpanel both sides, and described throwing kind torsion spring is eight and is set with on the mounting shaft by the spiral section in the middle part of it respectively.
10. precision seeding machine according to claim 1, is characterized in that: on housing, corresponding another side of its opening for feed is provided with and installs mouth and be hinged with turning upper cover, is provided with buffer block in housing above its discharge port corresponding of upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510144868.3A CN104718852B (en) | 2015-03-30 | 2015-03-30 | Precision seeding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510144868.3A CN104718852B (en) | 2015-03-30 | 2015-03-30 | Precision seeding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104718852A CN104718852A (en) | 2015-06-24 |
| CN104718852B true CN104718852B (en) | 2016-06-01 |
Family
ID=53443730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510144868.3A Expired - Fee Related CN104718852B (en) | 2015-03-30 | 2015-03-30 | Precision seeding machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104718852B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087456B (en) * | 2017-05-19 | 2020-11-03 | 新昌县大菠萝农业发展有限公司 | Plum seeding device |
| CN108476677A (en) * | 2018-05-07 | 2018-09-04 | 徐精学 | General-purpose precision seeding machine |
| CN111623363A (en) * | 2020-06-02 | 2020-09-04 | 杭州金专新能源设备有限公司 | A slag discharging device for waste incinerator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1591794A (en) * | 1976-10-28 | 1981-06-24 | Rota Spoon Ltd | Seed dispensing device |
| JPH0233447Y2 (en) * | 1984-09-28 | 1990-09-10 | ||
| CN2749236Y (en) * | 2004-06-21 | 2006-01-04 | 李中瀛 | Highly filling seeder unit |
| CN2786936Y (en) * | 2005-01-24 | 2006-06-14 | 韩永江 | Jag disc combined type seed sowing device |
| CN200969743Y (en) * | 2006-11-24 | 2007-11-07 | 赵金军 | Multifunction precision regulating seeding apparatus |
| CN201015282Y (en) * | 2007-04-23 | 2008-02-06 | 赵金军 | Precision seeding apparatus with a novel structure |
| CN204069715U (en) * | 2014-10-16 | 2015-01-07 | 梁双林 | A kind of novel spoon clip seeding unit |
-
2015
- 2015-03-30 CN CN201510144868.3A patent/CN104718852B/en not_active Expired - Fee Related
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| CN104718852A (en) | 2015-06-24 |
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Granted publication date: 20160601 |