CN209845700U - Smart volume seed-sowing machine of rape suitable for heavy soil is stuck to hilly area - Google Patents
Smart volume seed-sowing machine of rape suitable for heavy soil is stuck to hilly area Download PDFInfo
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- CN209845700U CN209845700U CN201920579055.0U CN201920579055U CN209845700U CN 209845700 U CN209845700 U CN 209845700U CN 201920579055 U CN201920579055 U CN 201920579055U CN 209845700 U CN209845700 U CN 209845700U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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Abstract
The utility model discloses a smart volume seed-sowing machine of rape suitable for heavy soil is glued in hilly area, including seed case, DC drive motor, driving chain, concentrated seed metering ware, seed guide pipe, herbicide atomizer, two disc furrow openers, pesticide conveyer pipe, spout medicine pump, frame, liquid medicine case, machines bracing piece and power device. The seed guide pipe is arranged between the seed feeding port of the seed sowing device and the double-disc furrow opener, and the liquid medicine tank and the herbicide spray head are connected through the liquid medicine pipe and pressurized through the water pump. The rape precision direct seeding machine for the heavy soil in the hilly area integrates the technologies of centralized seed discharging, closed weeding and the like, can synchronously seed 6 rows of rape seeds and close weeding in a large area, effectively improves the operation efficiency, simplifies the machine structure, and is suitable for rape precision seeding under the condition of the heavy soil in the hilly area.
Description
Technical Field
The invention relates to the technical field of crop sowing equipment, in particular to a rape precision direct sowing machine used under the condition of high-water-content sticky soil in a hilly area.
Background
Rape as one of the main oil crops in China can be generally divided into two types of rape planting areas: the first is the spring rape area in the north, and the second is the winter rape area in the Yangtze river basin. In the northern area, mechanized sowing is gradually popularized due to the advantages of geographical conditions in recent years, and the mechanized sowing level of rape is low due to the limitation of heavy soil hardening, large gradient, geographical conditions and much rainfall in sowing seasons in Yangtze river drainage basins. In 2017, the mechanized sowing level of the rapes is only 27.89%, so that the production efficiency is low, the cost is high, and the development of the rape industry is restricted. Particularly, in hilly and mountainous areas such as southwest, the land is scattered and narrow, the soil is sticky and hardened, the sowing time is concentrated from late 9 to middle 10 months, and the season is autumn and rain. Traditional seeding machines are because its structure is complicated, adopt land wheel drive seed metering ware more, require high to supporting tractor's power, and it is narrow and small to add this area plot dispersion, and soil is sticky heavily, and the rainwater is more. The problem that the seeding machine is difficult to descend, the seeding machine is deeply sunk, and the seeding machine is difficult to normally operate is caused; and the seeder is easy to slip during operation, so that the compaction degree of the soil is severe, and the emergence of seedlings of the rapes is influenced. Therefore, the traditional rape seeding machine is not suitable for seeding the rapes in the area, and adopts the modes of manual transplanting and manual broadcasting, so that the cost is high, the labor intensity is high, the efficiency is low, the seeding quality is poor, and the development of the rape industry is seriously restricted. Meanwhile, the traditional rape seeder mostly adopts a single seed sowing device, the weight of a transmission system and the seed sowing device is increased, the structure is more complex, and the rape seeder is not suitable for rape precision seeding in hilly and mountainous areas. In conclusion, in hilly and mountainous areas, the mechanical seeding of rape needs to be realized, the technology needs to be innovative, the seeding machine needs to be light and simple, and the matched power is controlled to be small.
Disclosure of Invention
The invention aims to overcome the defects of the technology, and provides the rape precision direct seeding machine which is suitable for completing rape precision hole seeding in heavy soil in hilly and mountainous areas and can complete the functions of rape precision seeding, closed weeding, ditching, earthing and the like at one time. The rape precision direct seeding machine suitable for the heavy soil in the hilly areas is a feasible machine for realizing mechanical seeding of rape in the hilly and mountain areas such as southwest.
In order to achieve the purpose, the rape precision direct seeding machine suitable for the heavy soil in the hilly area comprises a seed box, a direct current driving motor, a transmission chain, a centralized seed sowing device, a seed guiding pipe, a herbicide spraying device, a double-disc furrow opener, a pesticide conveying pipe, a pesticide spraying pump, a rack, a pesticide box, a machine tool supporting rod and a power device, wherein the direct current driving motor is connected with the seed box; a rack is connected behind the power device in a hanging manner, a direct current driving motor and a centralized seed sowing device are mounted on the rack, the direct current driving motor and the centralized seed sowing device are connected through a transmission chain, and the seed box is mounted above the centralized seed sowing device; a seed guide pipe is connected below the centralized seed sowing device, a herbicide spraying device is installed behind the rack, and the double-disc furrow opener is installed on a rear cross beam of the rack; the pesticide spraying device is characterized in that a pesticide tank is mounted on the rack and is respectively connected with a pesticide spraying pump, a pesticide conveying pipe and a herbicide spraying device; the machine tool supporting rod is installed in the guide rail of the rack.
Furthermore, the seed sowing device designed by the rape precision direct sowing machine suitable for the heavy soil in the hilly area adopts a centralized seed sowing technology and is a roller type centralized seed sowing device. It adopts a mechanical seed supply mode and can seed 6 rows simultaneously. The seed protection device is added, so that the seed throwing intervals of the seeds in each hole are consistent, and the consistency of the hole distances is ensured.
Furthermore, the seed metering roller of the seed metering device is in a modular design and is formed by combining a group of seed metering rollers, and the seed metering rollers and the blank wheels are matched for use, so that 1-6 rows of seeds can be supplied. The diameter of the seed sowing roller is 80mm, and 15 seed sowing holes are distributed on the circumferential surface of the seed sowing roller. The center of the roller is provided with a hexagonal hole and adopts hexagonal shaft transmission.
Furthermore, 15 involute-shaped holes are uniformly distributed on the seed discharging wheel, the seed discharging wheel comprises a hole main body and the involute-shaped holes, the involute-shaped holes comprise a hole left wall surface, a hole cavity, a hole right wall surface and a hole side surface, and the hole left wall surface and the hole right wall surface are involute types, so that the seed filling and the seed throwing are facilitated; the side surface of the molded hole is arc-shaped, so that seeds are prevented from blocking the molded hole. The seed-metering holes are involute holes, and the two sides of the seed-metering holes are provided with slopes, so that seed feeding is facilitated. The seed-metering holes are designed to just accommodate 1 to 3 rape seeds, so that the precise hole-seeding of 1 to 3 rape seeds is realized, and the seeds are not wasted.
Further, the machine tool support rod is installed in a guide rail in front of the machine frame and used for supporting machine tools. The machine tool supporting rod is provided with positioning holes with different heights for adjusting the height of the machine tool supporting rod. When the machine tool supporting rod works in the field, the height of the supporting rod is limited by the positioning hole at the lowest point of the machine tool supporting rod, so that the machine tool supporting rod does not interfere with the machine tool operation; when the machine tool is put in a warehouse, the height of the supporting rod is limited by the positioning hole at the highest point on the machine tool supporting rod, so that the machine tool supporting rod supports the machine tool.
Further, chain transmission is adopted between the direct current driving motor and the seed sowing device, the rated voltage of the direct current driving motor is 12V, and the power supply can adopt the battery of the rice transplanter or an external battery.
Furthermore, the seed guiding pipes are 6 steel wire hoses, are arranged on each seed throwing port of the seed sowing device and the double-disc furrow opener by clamps, each steel wire hose corresponds to one double-disc furrow opener, and 6 seed guiding pipes are used for independently guiding seeds of the 6 seed throwing ports of the seed sowing device.
Furthermore, the water pump is arranged on the frame, the rated voltage of the water pump is 12V, and the battery of the rice transplanter is used as a power supply and can also be carried externally.
Further, 6 herbicide shower nozzles in total, its evenly distributed is in the frame rear, 6 shower nozzles are a trunk line branch outflow, and it shares a root medicine water pipe.
Compared with the prior art, the invention has the following advantages:
(1) the rape precision direct seeding machine suitable for the heavy soil in the hilly area adopts a seed collecting and seeding technology, and one seed sowing device can efficiently complete 6 rows of seed sowing operation of the whole direct seeding machine. The direct current motor is adopted to drive the seed metering device to feed seeds, the traditional land wheel drive is omitted, and the influence on the seeding quality caused by the slipping of the land wheel is avoided. The machine has the advantages of simplifying the structure of the machine, reducing the requirement on power, controlling the matched power within 20 horsepower, being suitable for the operation of narrow plots in hilly and mountain areas such as southwest, high operation efficiency, flexible field operation transfer and high seeding quality.
(2) The rape precision direct seeding machine suitable for the heavy soil in the hilly area is compact and simple in structure, small in appearance, simple in structure, convenient to adjust, mount and dismount and reliable in work, and the whole machine is in a modular design. The transplanter can be driven to operate by adopting the transplanter head, and the transplanter has narrower width than a tractor wheel, light weight and flexible operation. The seed box is not easy to slip in rainy season, has low compaction degree to the soil and does not influence the emergence of seeds.
(3) The seed sowing roller of the rape precision direct sowing machine suitable for the heavy soil in the hilly area is in a modular design, is formed by combining a group of seed sowing rollers, and can realize sowing of 1-6 rows by matching the seed sowing rollers with the blank wheels according to the requirement of the actual size of a field plot. Flexible application, convenient and fast loading and unloading.
(4) The seed sowing type hole of the rape precision direct sowing machine suitable for the heavy soil in the hilly area adopts the involute type hole with the inclination at the two sides, which is beneficial to seed throwing, the type hole is designed to just accommodate 1 ~ 3 rape seeds, the precision hole sowing of 1 ~ 3 rape seeds is realized, and the seeds are not wasted.
Drawings
FIG. 1 is a schematic view of the overall structure of the rape precision direct seeding machine suitable for the heavy soil in the hilly area;
FIG. 2 is a schematic view of a seed sowing device of the rape precision direct seeding machine suitable for heavy soil in hilly areas;
FIG. 3 is a cross-sectional view of the seed metering device of the rape precision direct seeding machine suitable for the heavy soil in the hilly area;
FIG. 4 is a schematic view of a seed roller set of the seed metering device of the present invention;
FIG. 5 is a cross-sectional view of a core hole of the present invention;
fig. 6 is a side view of a shaped hole of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
The rape precise direct seeding machine suitable for the heavy soil in the hilly area comprises a seed box 1, a direct current driving motor 2, a transmission chain 3, a centralized seed sowing device 4, a seed guiding pipe 5, a herbicide spraying device 6, a double-disc furrow opener 7, a pesticide conveying pipe 8, a pesticide spraying pump 9, a rack 10, a pesticide box 11, a machine tool supporting rod 12 and a power device 13.
The power device 13 is suitable for a rape precision direct seeding machine for heavy soil in hilly areas, a rack 10 is hung behind the power device 13, a direct current driving motor 2 and a centralized seed sowing device 4 are mounted on the rack 10, and the direct current driving motor 2 and the centralized seed sowing device 4 are connected through a transmission chain 3 to drive the centralized seed sowing device 4 to rotate; the seed box 1 is arranged above the centralized seed sowing device 4 by adopting bolt connection; the lower part of the centralized seed sowing device 4 is connected with a seed guiding pipe 5, and the seed guiding pipe 5 is installed between a seed throwing port of the centralized seed sowing device 4 and the double-disc furrow opener 7 through a hoop. A herbicide spraying device 6 is installed behind the rack 10, and the double-disc furrow opener 7 is installed on a rear cross beam of the rack 10; a pesticide tank 11 is arranged on the frame 10, the herbicide spraying device 6 is connected with the pesticide tank 11 through a pesticide conveying pipe 8, and a pesticide spraying pump 9 is arranged between the pesticide tank 11 and the pesticide conveying pipe 8; the implement support rod 12 is mounted in a guide rail of the frame 10.
The narrow rubber tire 13a of the power device 13 is beneficial to the rape precision direct seeding machine to adapt to the sticky soil, and meanwhile, the compaction degree is reduced, and the adaptability of the machine operation is improved.
The rated voltage of the direct current driving motor 2 and the rated voltage of the pesticide spraying pump 9 are both 12V.
The centralized seed metering device 4 comprises a front side plate 41, a seed layer height adjusting plate 42, a seed filling chamber 43, a seed discharging plate 44, a side plate 45, an arc bottom plate 46, a seed feeding port 47, a seed metering roller group 48, a rear side seed protecting plate 49, a transmission shaft 410 and a chain wheel 411.
The seed level adjusting plate 42 can be adjusted in height up and down to control the seed level of the seed filling chamber 43. The seed discharging plate 44 is arranged below the side plate 45, and the seed discharging can be completed by discharging the seed discharging plate. The seed sowing roller group 48 is composed of 6 seed sowing wheels 48a, a hexagonal hole is formed in the center of each seed sowing wheel 48a, a section of arc surface is arranged on the rear side seed protecting plate 49, and a silica gel sheet made of a softer material is pasted on each arc surface. The transmission shaft 410 is a hexagonal shaft and is inserted into the hexagonal holes of the 6 seeding wheels 48a, the 6 seeding wheels 48a rotate along with the transmission shaft 410, and the chain wheel 411 is installed at the end part of the transmission shaft 410.
The seed metering wheel 48a is uniformly distributed with 15 involute-shaped holes 48b, the seed metering wheel 48a comprises a hole main body 48c and involute-shaped holes 48b, the involute-shaped holes 48b comprise a hole left wall surface 48d, a hole cavity 48e, a hole right wall surface 48f and a hole side surface 48g, and the hole left wall surface 48d and the hole right wall surface 48f are involute shapes, so that the seed filling and the seed throwing are facilitated; the side surface 48g of the molded hole is arc-shaped, so that seeds are prevented from blocking the molded hole.
The power device 13 can adjust the lifting height of the frame 10 to realize the adjustment of the sowing depth. The pesticide tank 11 is used for storing the herbicide mixed with the pesticide, and the herbicide is pressurized by the pesticide spraying pump 9, conveyed by the pesticide conveying pipe 8 and sprayed by the herbicide spraying device 6, so that closed weeding operation is realized.
The working principle of the invention is as follows: as shown in figure 1, the invention mainly comprises a seeding system and a closed weeding system, a power device 13 is used as power, and the implement is hung on a rear hanging device of the power device 13. The core component of the seeding system is a centralized seed sowing device 4, as shown in fig. 3 and 4, rape seeds are added into a seed box 1 before operation, and the rape seeds enter a seed filling chamber 43 of the centralized seed sowing device 4. When the power device 13 is started, the direct current driving motor 2 is started; the rotation of the DC driving motor is transmitted to the transmission shaft 410 by the transmission chain 3 and the chain wheel 411, and the transmission shaft 410 drives the seeding roller group 48 to rotate. When the seed-metering holes 48b on the seed-metering roller group 48 are rotated to the seed-filling chamber 43, the seed-filling of 6 seed-metering holes 48b is completed in the seed-filling region, and then the rape seeds are rotated along with the seed-metering roller group 48 in the seed-metering holes 48b and passed through the seed-carrying region to reach the seed-protecting region. The rape seeds are pressed and protected by the rear seed protection plate 49 and can not be separated from the seeding holes 48 b. Until the rape seeds rotate to the seed feeding port 46 of the seed feeding area, the rape seeds fall out of the seeding holes 48b under the action of gravity without the pressure protection of the rear seed protecting plate. And are guided into seed ditches dug by a double-disc furrow opener 7 through the corresponding seed guiding pipes 5. Because two soil cutting disks of the double-disk furrow opener 7 have a certain inclination angle, when the double-disk furrow opener rolls forwards, two sides of a seed ditch at the back collapse, so that the rape seeds falling into the seed ditch are covered with patterns, and the sowing operation is finished. The seed protection circular arc surface of the rear side seed protection plate 49 is pasted with a silica gel sheet made of soft material, so that rape seeds can be effectively prevented from being crushed in the seed protection process. Under the action of the rear seed guard plate 49, the rape seeds in each row of the seed discharging holes 48b are in consistent time interval with the rape seeds in the next seed discharging hole 48b, thereby ensuring the consistency of the seeding hole distances of each row. The ratio of the rotating speed of the roller group 48 of the centralized seed sowing device 4 to the advancing speed of the power device 13 is changed, so that the seeding hole distance can be adjusted.
The closed weeding system mainly comprises a herbicide spraying device 6, a pesticide conveying pipe 8, a pesticide spraying pump 9 and a pesticide box 11. Before operation, the herbicide is dissolved in the pesticide tank 11, and when the power device 13 is started, the pesticide spraying pump 9 is started to pressurize. The herbicide is sprayed to the field through the pesticide conveying pipe 8 and the herbicide spraying device 6 under pressure, and closed weeding operation is completed.
The working process of the rape precision direct seeding machine suitable for the heavy soil in the hilly area comprises the following steps: determining the rotation speed of a seed sowing device, loading seeds, charging seeds, starting a transplanter head, rotating a seed sowing roller set of the seed sowing device, operating a water pump, disturbing seeds by seed sowing type holes, applying pressure to a liquid medicine pipe by the water pump, synchronously opening seed furrows by a furrow opener, carrying seeds, throwing seeds, circularly sowing seeds and spraying herbicide to complete the processes of hole sowing of 6 rows of rape seeds, closed weeding, seed discharging and pesticide discharging.
The invention has the following specific implementation effects: the traditional rape direct seeding machine adopts the ground wheel drive, and one single seed sowing device can only sow one row. The problems that the structure of the machine is complex, the power requirement on a matched power machine is high, the operation efficiency is low, the machine is difficult to operate in hilly and mountainous areas such as southwest and the like are caused.
A sowing performance test is carried out on the rape precision direct sowing machine for the heavy soil in the hilly area, the tested variety is the paste oil 11, and the sowing performance of the rotation speed of 10 ~ 50 r/min is measured as shown in the table 1.
FIG. 1 seed metering Performance at different rotational speeds
| Rotating speed/(r.min) of cavitation wheel supply-1) | 1 grain rate/%) | 2 grain rate/%) | 3 grain rate/%) | Percent of pass/%) | Miss-seeding rate/%) | Re rate/% | Hole distance/cm | Coefficient of variation of hole spacing/%) |
| 10 | 58.13 | 30.95 | 9.11 | 98.19 | 0.00 | 1.81 | 10.00 | 7.03 |
| 20 | 66.45 | 22.57 | 10.36 | 99.38 | 0.00 | 0.62 | 9.96 | 4.77 |
| 30 | 70.94 | 21.30 | 7.11 | 99.36 | 0.64 | 0.00 | 10.45 | 6.52 |
| 40 | 82.28 | 14.03 | 3.08 | 99.38 | 0.62 | 0.00 | 9.86 | 13.39 |
| 50 | 83.96 | 9.61 | 2.57 | 96.13 | 3.87 | 0.00 | 11.06 | 18.60 |
As can be seen from Table 1, the yield is higher than 96% when the rotation speed is 10 ~ 50 r/min, Rongyou 11 tends to decrease and then increase along with the increase of the rotation speed, and the variation coefficients of the pit distance stability are lower than 16% when the rotation speed is 20 ~ 40 r/min, so that the seeding effect is good.
The invention adopts the technologies of centralized seed sowing, direct current motor driven seed sowing device combined with closed weeding and the like, and simultaneously completes the operations of six-row rape precision direct seeding, closed weeding and the like. The working efficiency is effectively improved, the power requirement is reduced, and the precision seeding machine has remarkable innovativeness in precision seeding, simplification of the structure of the seeding machine and adaptation to operation in hilly and mountainous areas.
The above embodiments are only for illustrating the technical solutions of the present invention and are not limited, and modifications or equivalent substitutions of the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention should be covered in the claims of the present invention.
Claims (3)
1. A rape precision direct seeding machine suitable for heavy soil in hilly areas is characterized by comprising a seed box (1), a direct current driving motor (2), a transmission chain (3), a centralized seed sowing device (4), a seed guiding pipe (5), a herbicide spraying device (6), a double-disc furrow opener (7), a pesticide conveying pipe (8), a pesticide spraying pump (9), a rack (10), a pesticide box (11), a machine tool supporting rod (12) and a power device (13); a rack (10) is hung behind the power device (13), a direct current driving motor (2) and a centralized seed sowing device (4) are mounted on the rack (10), the direct current driving motor (2) is connected with the centralized seed sowing device (4) through a transmission chain (3), and a seed box (1) is mounted above the centralized seed sowing device (4); a seed guide pipe (5) is connected below the centralized seed sowing device (4), a herbicide spraying device (6) is installed behind the rack (10), and the double-disc furrow opener (7) is installed on a rear cross beam of the rack (10); a pesticide tank (11) is arranged on the rack (10), and the pesticide tank (11) is respectively connected with a pesticide spraying pump (9), a pesticide conveying pipe (8) and a herbicide spraying device (6); the machine tool support rod (12) is installed in a guide rail of the machine frame (10).
2. The rape precision direct seeding machine suitable for the heavy soil in the hilly area as claimed in claim 1, characterized in that: the centralized seed metering device (4) comprises a front side plate (41), a seed layer height adjusting plate (42), a seed filling chamber (43), a seed discharging plate (44), a side plate (45), an arc bottom plate (46), a seed feeding port (47), a seed metering roller group (48), a rear side seed protecting plate (49), a transmission shaft (410) and a chain wheel (411); a seed discharging plate (44) is arranged below the side plate (45); the seed sowing roller group (48) consists of 6 seed sowing wheels (48 a), the center of each seed sowing wheel (48 a) is provided with a hexagonal hole, and the rear seed protecting plate (49) is provided with an arc surface of a silica gel sheet; the transmission shaft (410) is a hexagonal shaft and is inserted into the hexagonal holes of the 6 seeding wheels (48 a), the seeding wheels (48 a) rotate along with the transmission shaft (410), and the chain wheel (411) is installed at one end of the transmission shaft (410).
3. The rape precision direct seeding machine suitable for the heavy soil in the hilly area as claimed in claim 2, characterized in that: the seed metering wheel (48 a) is uniformly provided with 15 involute-shaped holes (48 b), the seed metering wheel (48 a) comprises a hole main body (48 c) and involute-shaped holes (48 b), the involute-shaped holes (48 b) comprise a hole left wall surface (48 d), a hole cavity (48 e), a hole right wall surface (48 f) and a hole side surface (48 g), and the hole left wall surface (48 d) and the hole right wall surface (48 f) are involute shapes, so that the seed filling and seed throwing are facilitated; the side surface (48 g) of the molded hole is arc-shaped, so that seeds are prevented from blocking the molded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579055.0U CN209845700U (en) | 2019-04-26 | 2019-04-26 | Smart volume seed-sowing machine of rape suitable for heavy soil is stuck to hilly area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579055.0U CN209845700U (en) | 2019-04-26 | 2019-04-26 | Smart volume seed-sowing machine of rape suitable for heavy soil is stuck to hilly area |
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| CN209845700U true CN209845700U (en) | 2019-12-27 |
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| CN201920579055.0U Expired - Fee Related CN209845700U (en) | 2019-04-26 | 2019-04-26 | Smart volume seed-sowing machine of rape suitable for heavy soil is stuck to hilly area |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109937651A (en) * | 2019-04-26 | 2019-06-28 | 四川农业大学 | A kind of precision direct sowing machine for rape suitable for hills area heavy soil |
| CN111527839A (en) * | 2020-06-09 | 2020-08-14 | 云南省农业科学院园艺作物研究所 | Plateau mountain area radish direct seeding device and method |
-
2019
- 2019-04-26 CN CN201920579055.0U patent/CN209845700U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109937651A (en) * | 2019-04-26 | 2019-06-28 | 四川农业大学 | A kind of precision direct sowing machine for rape suitable for hills area heavy soil |
| CN111527839A (en) * | 2020-06-09 | 2020-08-14 | 云南省农业科学院园艺作物研究所 | Plateau mountain area radish direct seeding device and method |
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Granted publication date: 20191227 |