CN109257974B - Screw feeder formula lily seeder - Google Patents
Screw feeder formula lily seeder Download PDFInfo
- Publication number
- CN109257974B CN109257974B CN201810981562.7A CN201810981562A CN109257974B CN 109257974 B CN109257974 B CN 109257974B CN 201810981562 A CN201810981562 A CN 201810981562A CN 109257974 B CN109257974 B CN 109257974B
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- Prior art keywords
- shaft
- soil
- frame body
- auger
- roller
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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.)
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- 241000234435 Lilium Species 0.000 title claims abstract description 30
- 239000002689 soil Substances 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000005192 partition Methods 0.000 claims description 7
- 238000009331 sowing Methods 0.000 claims 1
- 238000010899 nucleation Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
- A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
- A01B49/065—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising the soil-working tools being actively driven
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/02—Combined machines with two or more soil-working tools of different kind
- A01B49/022—Combined machines with two or more soil-working tools of different kind at least one tool being actively driven
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C9/00—Potato planters
- A01C9/02—Potato planters with conveyor belts
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sowing (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses an auger type lily seeder, which comprises a frame body (1), wherein the lower part of the frame body (1) is sequentially provided with a triangular plow (2), a soil retaining plate (3), a soil returning disc (4), a scraper (5) and a roller (6) from front to back, the upper part of the frame body (1) is provided with a feeding hopper (7), and a discharge port of the feeding hopper (7) is provided with a conveyor belt (8); triangle-shaped plough (2) comprise two screw feeder devices, the screw feeder device includes screw feeder axle (201) and sets up screw feeder helical blade (202) on screw feeder axle (201). The auger type lily seeder provided by the invention is simple in structure, high in seeding efficiency, good in effect, low in cost and simple and convenient to operate.
Description
Technical Field
The invention relates to the technical field of agriculture, in particular to an auger type lily seeder.
Background
In agricultural production and scientific research of lily, seeding is a work that needs to consume very big labour, but is also very frequent and essential key link, and current seeding is mostly carried out by the manual work, and is inefficient, has consumed a lot of manpower, material resources and financial resources, also consumes time, and especially when a large amount of seeding, not only the seeding is inhomogeneous, and the time is very long moreover, and the seedball is piled up and has also influenced new freshness. Therefore, it is urgently needed to develop a special seeding device for lily.
Disclosure of Invention
The invention aims to solve the technical problem of providing an auger type lily seeder which is simple in structure, low in cost, simple and convenient to operate and high in seeding efficiency.
An auger type lily seeder comprises a frame body, wherein a triangular plow, a soil retaining plate, a soil returning disc, a scraping plate and a roller are sequentially arranged on the lower part of the frame body from front to back, a feeding hopper is arranged on the upper part of the frame body, and a conveying belt is arranged at a discharge port of the feeding hopper;
the triangle-shaped plough comprises two screw feeder devices, the screw feeder device includes the screw feeder axle and sets up the epaxial screw feeder helical blade of screw feeder.
The auger type lily seeder provided by the invention is characterized in that the angle between the two auger shafts is 120 degrees, a baffle is arranged at the rear side of the auger device and comprises a first baffle and a second baffle, the first baffle is arranged in parallel with the auger shafts, the second baffle is arranged in parallel with the side edge of the frame body, the two auger shafts of the auger device are respectively connected with a gear power converter, and the gear power converter is connected with a power output device.
The invention relates to an auger type lily seeder, wherein two retaining plates are respectively arranged at two sides of a triangular plough, each retaining plate is composed of a first retaining plate and a second retaining plate which is connected with the first retaining plate and extends towards the inner side of a frame body, two soil returning disks are arranged at the rear side of the second retaining plate, the second retaining plate and the two soil returning disks are arranged on the same straight line, each soil returning disk comprises a fixed shaft connected with the frame body and a disk movably connected to the fixed shaft, and the disks can freely rotate around the fixed shafts.
The auger type lily seeder provided by the invention is characterized in that the rear end of the triangular plow is arranged in the middle of the soil retaining plate, and the angle between the first soil retaining plate and the second soil retaining plate is 120-150 degrees.
The auger type lily seeder comprises a frame body, a conveying belt, a feeding hopper, a rolling shaft, a plurality of partition plates and a conveying belt, wherein the feeding hopper is arranged on the front side of the frame body, the rolling shaft is arranged in the feeding hopper, two ends of the rolling shaft are connected with the inner walls of the left side and the right side of the feeding hopper, the rolling shaft is uniformly provided with the partition plates, the length of each partition plate is consistent with that of the rolling shaft, and the rotating direction of the conveying belt is opposite to the advancing direction of the frame body.
The auger type lily seeder provided by the invention is characterized in that a first shaft body is arranged at the center of the roller, a first conveying shaft and a second conveying shaft are respectively arranged on the front side and the rear side of a discharge port of the feeding hopper, the conveying belt rotates around the first conveying shaft and the second conveying shaft, the first conveying shaft or the second conveying shaft is connected with the first shaft body through a first connecting rod, the roller is connected with the first shaft body through a second connecting rod, and the first connecting rod and the second connecting rod are respectively connected with two ends of the first shaft body;
the second transmission shaft is arranged at the upper part of the rear end of the triangular plow.
The auger type lily seeder provided by the invention is characterized in that a power converter is arranged on the first connecting rod and close to the first shaft body, and a multi-gear converter is arranged on the first connecting rod and close to the first transmission shaft or the second transmission shaft; and a power converter is arranged on the second connecting rod close to the first shaft body, and a multi-gear converter is arranged on the second connecting rod close to the roller.
The invention relates to an auger type lily seeder, wherein a fixed frame is arranged at the front side of a first transmission shaft and is connected with a fixed rod which is obliquely arranged,
the front ends of the first baffle and the fixed rod are respectively provided with a cylindrical lug, and the lug is provided with a vertical through hole.
The invention relates to an auger type lily seeder, wherein two wheel bodies with adjustable heights are arranged at the lower part of the front end of a frame body and are respectively arranged at the left side and the right side of the frame body; the gyro wheel including be located the left and right sides and middle four with the fixed disc of first axle body is evenly fixed with a plurality of body of rod between four fixed discs.
The auger type lily seeder provided by the invention is characterized in that the upper end of the scraper is connected with a second shaft body, the second shaft body is fixed on the frame body, the scraper can rotate around the second shaft body, and the rotation range is 0-90 degrees from the vertical plane.
The auger type lily seeder of the invention is different from the prior art in that:
the stirring type lily seeder has the advantages of simple structure, high seeding efficiency, good effect, low cost and simple and convenient operation, the stirring type triangular plough stirs soil to two sides, the conveyor belt seeds lily bulbs in the feeding funnel into the soil, the soil retaining plate covers the stired soil on the bulbs again, the soil returning disc returns the soil, the scraper scrapes the soil evenly, the roller rotates to press the soil, the roller and the first conveying shaft or the second conveying shaft are connected by the fixed rod, and meanwhile, the fixed rod is connected with the roller. The auger device turns the original static soil to move backwards, the required power is much less than that of the traditional triangular plow, and the auger device can be easier to bring.
The direction of transfer and support body advancing direction of conveyer belt are opposite, and the seedball on the conveyer belt is static for ground in the seeding process like this, can just in time fall the seeding point, if direction of transfer is the same with support body advancing direction, the seedball has certain speed for ground, can deviate the seeding point when falling. The roller bearing in the feeding funnel drives the baffle to rotate, can evenly carry the conveyer belt on the seed ball suitable amount, can not produce and pile up and lead to the seeding inhomogeneous, whole automatic control no longer need the manual operation.
The auger-type lily seeder of the invention is further explained with reference to the attached drawings.
Drawings
FIG. 1 is a schematic structural view of an auger type lily seeder of the present invention;
FIG. 2 is a bottom view of FIG. 1;
fig. 3 is a schematic view of the structure of the feed hopper of the present invention.
Detailed Description
As shown in fig. 1 to 3, an auger type lily seeder comprises a frame body 1, wherein a triangular plow 2, a soil retaining plate 3, a soil returning disc 4, a scraper 5 and a roller 6 are sequentially arranged at the lower part of the frame body 1 from front to back, a feeding funnel 7 is arranged at the upper part of the frame body 1, and a conveying belt 8 is arranged at a discharge outlet of the feeding funnel 7;
the triangular plow 2 is composed of two auger devices, which include an auger shaft 201 and auger helical blades 202 provided on the auger shaft 201.
The following is a preferred technical scheme:
the angle between two screw feeder axles 201 is 120, is provided with the baffle in the rear side of screw feeder device, and the baffle includes first baffle 203 and second baffle 204, first baffle 203 and screw feeder axle 201 parallel arrangement, and second baffle 204 and the side parallel arrangement of support body 1, two screw feeder axles 201 of screw feeder device link to each other with gear power converter respectively, and gear power converter links to each other with power take off.
The soil blocking plate 3 is two, set up respectively in the both sides of triangle-shaped plough 2, soil blocking plate 3 comprises first soil blocking plate 301 and the second soil blocking plate 302 that links to each other and extend to the inboard of support body 1 with first soil blocking plate 301, be provided with two soil returning circular disks 4 at the rear side of second soil blocking plate 302, second soil blocking plate 302 and two soil returning circular disks 4 set up on a straight line, soil returning circular disk 4 includes the fixed axle of being connected with support body 1 and swing joint at the fixed epaxial disc, the disc can be around the fixed axle free rotation.
The rear end of the triangular plow 2 is arranged in the middle of the retaining plate 3, and the angle between the first retaining plate 301 and the second retaining plate 302 is 120-150 degrees.
The feeding hopper 7 is arranged on the front side of the frame body 1, the roller 701 is arranged in the feeding hopper 7, two ends of the roller 701 are connected with the inner walls of the left side and the right side of the feeding hopper 7, a plurality of partition plates 702 are uniformly arranged on the roller 701, the length of each partition plate 702 is consistent with that of the roller 701, and the rotating direction of the conveyor belt 8 is opposite to the advancing direction of the frame body 1.
A first shaft body 601 is arranged in the center of the roller 6, a first transmission shaft 801 and a second transmission shaft 802 are respectively arranged on the front side and the rear side of a discharge port of the feeding hopper 7, the conveyor belt 8 rotates around the first transmission shaft 801 and the second transmission shaft 802, the first transmission shaft 801 or the second transmission shaft 802 is connected with the first shaft body 601 through a first connecting rod 803, the roller 701 is connected with the first shaft body 601 through a second connecting rod 804, and the first connecting rod 803 and the second connecting rod 804 are respectively connected with two ends of the first shaft body 601;
the second transmission shaft 802 is disposed at an upper portion of the rear end of the triangular plow 2.
A power converter is arranged on the first connecting rod 803 close to the first shaft body 601, and a multi-gear converter is arranged on the first connecting rod 803 close to the first transmission shaft 801 or the second transmission shaft 802; a power converter is provided on the second connecting rod 804 near the first shaft body 601, and a multi-gear converter is provided on the second connecting rod 804 near the roller 701.
A fixing frame 9 is arranged at the front side of the first transmission shaft 801, the fixing frame 9 is connected with a fixing rod 901 which is obliquely arranged,
Two wheel bodies 10 with adjustable height are arranged at the lower part of the front end of the frame body 1 and are respectively arranged at the left side and the right side of the frame body 1; the wheel body 10 can control the height of the front end of the frame body 1, the height of the rear end of the frame body 1 is controlled by a length-adjustable traction rod on the upper part of the rear end of the tractor, and the height of the rear end of the frame body 1 is adjusted by adjusting the length of the traction rod of the tractor, so that the whole frame body 1 is kept in a horizontal stable state. The roller 6 includes four fixed disks located at the left and right sides and the middle and fixed with the first shaft 601, and a plurality of rod bodies are uniformly fixed between the four fixed disks.
The upper end of scraper blade 5 links to each other with second shaft body 501, and second shaft body 501 fixes on support body 1, and scraper blade 5 can rotate around second shaft body 501, and rotation range is personally submitted between 0 ~ 90 with the vertical, can be through needs angle regulation.
The converter and many gears converter pass through the transform with the power that the gyro wheel 6 roll produced and transmit first transmission axle 801 or second transmission axle 802 and roller 701 together, drive conveyer belt 8 and roller 701 rotation then and carry out defeated material seeding, and wherein, many gears converter have a plurality of gears, can control the slew velocity of conveyer belt 8.
A fixing frame 9 is arranged at the front side of the first conveying shaft 801, the fixing frame 9 is connected with a fixing rod 901 which is obliquely arranged, cylindrical bosses 902 are respectively arranged at the front ends of the first baffle 203 and the fixing rod 901, and vertical through holes are arranged on the bosses 902. The auger-type lily seeder is connected with a tractor and rolls forwards by dragging of the tractor, preferably, the upper part of the rear end of the tractor is connected with a draw bar with adjustable length and is connected with a lug 902 on a fixed rod 901 by a draw pin, the lower part of the tractor is connected with two hydraulic lifting traction plates which are respectively connected with the lugs 902 at the upper ends of first baffles 203 at the left side and the right side, the rear ends of the hydraulic lifting traction plates are provided with fixing through holes which are sleeved on the lug 902, the rear sides of the hydraulic lifting traction plates are also connected with chains, the rear ends of the chains are provided with fixing pins, and the fixing pins penetrate through the through holes of the lug 902 and lock the hydraulic lifting traction plates to prevent the hydraulic lifting traction plates from falling off and can adjust the heights of the baffles. The auger device of the auger-type lily seeder is connected with the gear power converter, the gear power converter is connected with the power output device on the tractor, and the gear power converter converts the power and transmits the power to the auger device to drive the auger device to rotate
The working process of the auger type lily seeder is as follows:
under the dragging action of a tractor, a screw feeder device in the triangular plough 2 starts to rotate under the action of the power output of the tractor, acts with a baffle plate to divide the soil to two sides, the soil moves backwards under the blocking of the soil blocking plates 3 at the two sides, and the soil is backfilled to a planting area formed by the triangular plough 2 under the action of a soil returning disc 4 to cover lily seeds; the following scraper 5 scrapes the soil evenly and finally the soil is compacted by the roller 6. The roller 6 outputs power to the upper conveyor belt 8 and the roller 701 in the feeding hopper 7 during the soil compaction process, and the conveyor belt 8 conveys the lily seedballs in the feeding hopper 7 to the planting area behind the triangular plough 2.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (1)
1. The utility model provides an auger formula lily seeder which characterized in that: the soil-return device comprises a frame body (1), wherein a triangular plow (2), a soil-retaining plate (3), a soil-return disc (4), a scraper plate (5) and a roller (6) are sequentially arranged on the lower portion of the frame body (1) from front to back, a feeding hopper (7) is arranged on the upper portion of the frame body (1), and a conveyor belt (8) is arranged at a discharge outlet of the feeding hopper (7);
the triangular plough (2) is composed of two auger devices, and each auger device comprises an auger shaft (201) and an auger helical blade (202) arranged on the auger shaft (201);
the feeding hopper (7) is arranged on the front side of the frame body (1), a roller (701) is arranged in the feeding hopper (7), two ends of the roller (701) are connected with the inner walls of the left side and the right side of the feeding hopper (7), a plurality of partition plates (702) are uniformly arranged on the roller (701), the length of each partition plate (702) is consistent with that of the roller (701), and the rotating direction of the conveyor belt (8) is opposite to the advancing direction of the frame body (1);
a first shaft body (601) is arranged in the center of the roller (6), a first conveying shaft (801) and a second conveying shaft (802) are respectively arranged on the front side and the rear side of a discharge hole of the feeding hopper (7), the conveyor belt (8) rotates around the first conveying shaft (801) and the second conveying shaft (802), the first conveying shaft (801) or the second conveying shaft (802) is connected with the first shaft body (601) through a first connecting rod (803), the roller (701) is connected with the first shaft body (601) through a second connecting rod (804), and the first connecting rod (803) and the second connecting rod (804) are respectively connected to two ends of the first shaft body (601);
the second transmission shaft (802) is arranged at the upper part of the rear end of the triangular plough (2);
a power converter is arranged on the first connecting rod (803) close to the first shaft body (601), and a multi-gear converter is arranged on the first connecting rod (803) close to the first transmission shaft (801) or the second transmission shaft (802); a power converter is arranged on the second connecting rod (804) close to the first shaft body (601), and a multi-gear converter is arranged on the second connecting rod (804) close to the roller (701);
the angle between the two auger shafts (201) is 120 degrees, a baffle is arranged on the rear side of the auger device and comprises a first baffle (203) and a second baffle (204), the first baffle (203) and the auger shafts (201) are arranged in parallel, the second baffle (204) and the side edge of the frame body (1) are arranged in parallel, the two auger shafts (201) of the auger device are respectively connected with a gear power converter, and the gear power converter is connected with a power output device;
the two soil retaining plates (3) are respectively arranged on two sides of the triangular plough (2), each soil retaining plate (3) is composed of a first soil retaining plate (301) and a second soil retaining plate (302) which is connected with the first soil retaining plate (301) and extends towards the inner side of the frame body (1), two soil returning disks (4) are arranged on the rear side of the second soil retaining plate (302), the second soil retaining plate (302) and the two soil returning disks (4) are arranged on the same straight line, each soil returning disk (4) comprises a fixed shaft connected with the frame body (1) and a disk movably connected to the fixed shaft, and the disks can freely rotate around the fixed shafts;
the rear end of the triangular plow (2) is arranged in the middle of the soil retaining plate (3), and the angle between the first soil retaining plate (301) and the second soil retaining plate (302) is 120-150 degrees;
a fixing frame (9) is arranged at the front side of the first transmission shaft (801), the fixing frame (9) is connected with a fixing rod (901) which is obliquely arranged,
cylindrical bumps (902) are respectively arranged at the front ends of the first baffle (203) and the fixing rod (901), and vertical through holes are formed in the bumps (902);
two wheel bodies (10) with adjustable heights are arranged at the lower part of the front end of the frame body (1) and are respectively arranged at the left side and the right side of the frame body (1); the roller (6) comprises four fixed discs positioned at the left side, the right side and the middle and fixed with the first shaft body (601), and a plurality of rod bodies are uniformly fixed among the four fixed discs;
the upper end of the scraper (5) is connected with a second shaft body (501), the second shaft body (501) is fixed on the frame body (1), the scraper (5) can rotate around the second shaft body (501), and the rotation range is 0-90 degrees from the vertical plane;
the roller (6) has the function of compacting the soil after sowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810981562.7A CN109257974B (en) | 2018-08-27 | 2018-08-27 | Screw feeder formula lily seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810981562.7A CN109257974B (en) | 2018-08-27 | 2018-08-27 | Screw feeder formula lily seeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109257974A CN109257974A (en) | 2019-01-25 |
| CN109257974B true CN109257974B (en) | 2021-12-21 |
Family
ID=65154541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810981562.7A Active CN109257974B (en) | 2018-08-27 | 2018-08-27 | Screw feeder formula lily seeder |
Country Status (1)
| Country | Link |
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| CN (1) | CN109257974B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111919541A (en) * | 2020-07-15 | 2020-11-13 | 北京农业生物技术研究中心 | Lily planter and planting method |
| CN112534982A (en) * | 2020-11-02 | 2021-03-23 | 上海萩狩农业科技发展有限公司 | Fertilization assembly with soil loosening function |
| CN112314088B (en) * | 2020-11-13 | 2022-03-11 | 张松杰 | Water and fertilizer integrated machine capable of being controlled according to geological conditions |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1474108A (en) * | 1966-02-07 | 1967-03-24 | Rotary tool for soil work, in particular cultivation work and machines fitted with such a tool | |
| CN200966217Y (en) * | 2006-09-24 | 2007-10-31 | 崔国义 | Animal multifunctional cultivation-fertilizing plough |
| CN106256179A (en) * | 2016-07-10 | 2016-12-28 | 佛山市高明区云大机械科技有限公司 | A kind of potato setter |
| CN206196282U (en) * | 2016-08-11 | 2017-05-31 | 张晓兰 | A kind of Chinese prickly ash plants equipment |
| CN206341588U (en) * | 2016-12-30 | 2017-07-21 | 长安大学 | A kind of controllable seeder of seed spreading amount |
| CN206686552U (en) * | 2017-05-12 | 2017-12-01 | 福州众点网络技术开发有限公司 | A kind of seeding apparatus |
-
2018
- 2018-08-27 CN CN201810981562.7A patent/CN109257974B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1474108A (en) * | 1966-02-07 | 1967-03-24 | Rotary tool for soil work, in particular cultivation work and machines fitted with such a tool | |
| CN200966217Y (en) * | 2006-09-24 | 2007-10-31 | 崔国义 | Animal multifunctional cultivation-fertilizing plough |
| CN106256179A (en) * | 2016-07-10 | 2016-12-28 | 佛山市高明区云大机械科技有限公司 | A kind of potato setter |
| CN206196282U (en) * | 2016-08-11 | 2017-05-31 | 张晓兰 | A kind of Chinese prickly ash plants equipment |
| CN206341588U (en) * | 2016-12-30 | 2017-07-21 | 长安大学 | A kind of controllable seeder of seed spreading amount |
| CN206686552U (en) * | 2017-05-12 | 2017-12-01 | 福州众点网络技术开发有限公司 | A kind of seeding apparatus |
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| CN109257974A (en) | 2019-01-25 |
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