CN106717390A - Crops are digged pit formula fertilizer applicator - Google Patents
Crops are digged pit formula fertilizer applicator Download PDFInfo
- Publication number
- CN106717390A CN106717390A CN201611098184.5A CN201611098184A CN106717390A CN 106717390 A CN106717390 A CN 106717390A CN 201611098184 A CN201611098184 A CN 201611098184A CN 106717390 A CN106717390 A CN 106717390A
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- CN
- China
- Prior art keywords
- cart
- hopper
- pole
- fertilizer applicator
- wheel
- Prior art date
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
- A01C5/064—Devices for making drills or furrows with rotating tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/066—Devices for covering drills or furrows
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
Digged pit formula fertilizer applicator the invention discloses a kind of crops, it is related to a kind of big data technical field, including go-cart, blanking portion and it is bulldozed portion, wheel is installed below go-cart, blanking portion is installed on the left of go-cart, the portion of being bulldozed is installed on the right side of go-cart, blanking portion and it is bulldozed between portion and is provided with drive connection portion, blanking is provided with motor in portion, motor is driven by drive connection portion and is bulldozed portion, the separating tank of quantitative fertilizer and the hopper of sowing fertilizers are provided with blanking portion, hopper is connected in blanking portion, fertilizer is moved in hopper from separating tank, the center of hopper is provided with center-pole, the bottom of center-pole is provided with a circle flight.The present invention reaches the effect of quantitative fertilization of digging pit by flight and separating tank, while striking off soil in heaps using transverse slat, the drug effect of fertilizer is reached best, the drug effect of the performance fertilizer of such maximum efficiency.
Description
Technical field
The present invention relates to a kind of big data technical field, more particularly to a kind of crops are digged pit formula fertilizer applicator.
Background technology
Big data, refers to the data that cannot be caught, managed and be processed with conventional software instrument in the range of certain hour
Set, be need new tupe could have stronger decision edge, see clearly discovery power and process optimization ability adapt to magnanimity,
High growth rate and diversified information assets.
Big data utilization agriculturally is more wide, and agricultural is topmost, is planting industry, and agriculture species are planted must not
The process that fertilizer occurs that can lack, general fertilising is artificially applying fertilizer, is wasted time and energy, and the fertilizer applied is uneven, easily leads
Cause crop to burn root, the inconsistent shortcoming of crop growing state, therefore need a kind of energy quantitative fertilization of research and development badly, improve the drug effect of fertilizer, fill
Point digged pit formula fertilizer applicator using the crops of resource, cover crop.
The content of the invention
The present invention wastes time and energy to overcome general fertilising for artificially applying fertilizer, and the fertilizer applied is uneven, is easily caused
Crop burns root, the inconsistent shortcoming of crop growing state, and the technical problem to be solved in the present invention is to provide a kind of energy quantitative fertilization, improves
The drug effect of fertilizer, make full use of resource, the crops of cover crop are digged pit formula fertilizer applicator.
In order to solve the above-mentioned technical problem, digged pit formula fertilizer applicator the invention provides such a crops, including go-cart,
Blanking portion and portion is bulldozed, wheel is installed below go-cart, blanking portion is installed on the left of go-cart, be provided with the right side of go-cart and pushed away
Flat portion, blanking portion and is bulldozed between portion and is provided with drive connection portion, and motor is provided with blanking portion, and motor is driven by drive connection portion
Portion is bulldozed, the separating tank of quantitative fertilizer and the hopper of sowing fertilizers is provided with blanking portion, hopper is connected in blanking portion,
Fertilizer is moved in hopper from separating tank, and the center of hopper is provided with center-pole, and the bottom of center-pole is provided with a circle spiral shell
Blade.
In said apparatus, the length of the height sum less than center-pole of the hopper and flight.The center-pole with
Separating tank receives fertilizer and leaves ground.The go-cart includes left branch leg, sliding sleeve and right supporting leg, and go-cart bottom left is welded with cunning
Set, is provided with left branch leg in sliding sleeve, left branch leg is connected with sliding sleeve slidingtype, and go-cart bottom right is welded with right supporting leg, right supporting leg
Wheel is connected with the equal rotary type in left branch leg bottom.The blanking portion include material storing box, feed hopper, separating wheel, separator disk and under
Hopper, material storing box bottom welding has feed hopper, and feeding funnel bottom part is connected with separator disk, and rotary type is provided with separating wheel in separator disk,
Separating tank, motor connection separating wheel and drive connection portion are provided with separating wheel, tray bottom are separated and is connected with hopper, hopper is worn
The sweep of go-cart is crossed, the outer surface of separating wheel is provided with waist-shaped hole, and the end of center-pole is fixed in waist-shaped hole with separation
Disk is rotated.The portion of being bulldozed includes support bar, transverse slat, 7 type poles, slide rail, sliding block, spring, tooth bar and connecting rod, go-cart top right
Side is welded with 7 type poles, and 7 type pole inside tops are connected with slide rail, and slide rail bottom is connected to go-cart sweep top, sliding on slide rail
Dynamic formula is connected with sliding block, and slider top is welded with spring, and the other end of spring is connected to 7 type pole inside tops, a left side for sliding block
The mode that side is bolted is connected with tooth bar, and tooth bar bottom welding has connecting rod, and the bottom of connecting rod is with the activity of transverse slat left side even
Connect.The crops dig pit formula fertilizer applicator also including rubber sleeve, and go-cart is provided with handle, and the outside of handle is provided with rubber
Set.The wheel is universal wheel.
Because also including rubber sleeve, the outside of trammer handle sets rubber sleeve, and trammer handle is contacted with hand for a long time, institute
Trammer handle can be protected with rubber sleeve, make device be difficult to get rusty, while rubber sleeve can protect hand.
Because wheel is universal wheel, it is possible to the direction that preferably control go-cart is promoted, makes go-cart more neatly transport
It is dynamic.
The present invention is digged pit by flight, and the effect of quantitative fertilization is reached by separating tank, while will be cheated using transverse slat
The mound on side strikes off, and completes fertilizer landfill, the drug effect of fertilizer is reached best, the drug effect of the performance fertilizer of such maximum efficiency,
Preventing fertilizer in heaps simultaneously causes crop overnutrition, has so reached quantitative fertilization, has improved the drug effect of fertilizer, makes full use of
Resource, the effect of cover crop.
Brief description of the drawings
Fig. 1 is that crops of the invention are digged pit the main structure diagram of formula fertilizer applicator.
Mark in accompanying drawing for：1- go-carts, 2- left branch legs, 3- sliding sleeves, 4-T type screw rods, 5- through holes, 6- support bars, 7- is right
Supporting leg, 8- transverse slats, 9- wheels, 10-7 type poles, 11- slide rails, 12- sliding blocks, 13- springs, 14- tooth bars, 15- guide holes, 16- connects
Bar, 17- supports, 18- bearing blocks, 19- first rotating shafts, 20- driven pulleys, 21- sector gears, 22- flat belts, 23- material storing box,
24- feed hoppers, 25- separating tanks, 26- driving wheels, 27- motors, 28- separating wheels, 29- separator disks, 30- hoppers, 31- rubber
Set, 32- braces, 33- center-poles, 34- flights.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
A kind of crops are digged pit formula fertilizer applicator, as shown in figure 1, include go-cart 1, left branch leg 2, sliding sleeve 3, T-shaped screw rod 4,
Support bar 6, right supporting leg 7, transverse slat 8, wheel 9,7 type poles 10, slide rail 11, sliding block 12, spring 13, tooth bar 14, connecting rod 16, support
17th, bearing block 18, first rotating shaft 19, driven pulley 20, sector gear 21, flat belt 22, material storing box 23, feed hopper 24, driving wheel
26th, motor 27, separating wheel 28, separator disk 29 and hopper 30, the bottom left of go-cart 1 are welded with sliding sleeve 3, sliding sleeve 3 and are provided with
Left branch leg 2, left branch leg 2 is connected with the slidingtype of sliding sleeve 3, and the right side of sliding sleeve 3 is provided with T-shaped screw rod 4, and the bottom right of go-cart 1 is welded with
Support bar 6 and right supporting leg 7, the equal rotary type of right supporting leg 7 and the bottom of left branch leg 2 are connected with wheel 9, and the bottom of support bar 6 is by being hinged
Part is hingedly connected with transverse slat 8, and through hole 5 is provided with go-cart 1, and through hole 5 is located at the left of support bar 6, the welding of the top right side of go-cart 1
The mode for having the inside top of 7 10,7 type pole of type pole 10 to be bolted is connected with slide rail 11 and support 17, and slide rail 11 sets
In the right of support 17, the mode that the bottom of slide rail 11 is bolted is connected to the sweep of go-cart 1 top, slidingtype on slide rail 11
Sliding block 12 is connected with, the other end that the welded top of sliding block 12 has spring 13, spring 13 is connected to 7 type poles by way of welding
10 inside tops, the bolted mode that passes on left of sliding block 12 is connected with tooth bar 14, and the bottom welding of tooth bar 14 has connecting rod 16,
Connecting rod 16 passes through through hole 5, and the bottom of connecting rod 16 passes on left hinge member and be articulated and connected, is provided with 7 type poles 10 and led with transverse slat 8
Hole 15, guide hole 15 is located at the top of tooth bar 14, and the mode that the bottom of support 17 is bolted is connected with bearing block 18, bearing block
18 bearing is connected with first rotating shaft 19 by way of interference is connected, and is connected by way of flat key is connected in first rotating shaft 19
There are driven pulley 20 and sector gear 21, driven pulley 20 is located at the front side of sector gear 21, and the left end of 7 type poles 10 is connected by bolt
The mode for connecing is connected with material storing box 23, and the bottom welding of material storing box 23 has feed hopper 24, and the bottom of feed hopper 24 is bolted
Mode is connected with separator disk 29, and rotary type is provided with separating wheel 28 in separator disk 29, and separating tank 25, separating wheel are provided with separating wheel 28
28 back center position is provided with motor 27, and the front side of separating wheel 28 is provided with driving wheel 26, and the output shaft of motor 27 passes through
Shaft coupling is connected with the middle part of separating wheel 28 and driving wheel 26, and flat belt 22 is provided between driving wheel 26 and driven pulley 20, is separated
The mode that the bottom of disk 29 is bolted is connected with hopper 30, sweep of the hopper 30 through go-cart 1.In hopper 30
The heart is provided with center-pole 33, and the outer surface of separating wheel 28 is provided with waist-shaped hole, the end of center-pole be fixed in waist-shaped hole with
Separator disk is rotated, and the bottom of center-pole is provided with a circle flight 34, during the height sum of hopper 30 and flight 34 is less than
The length of core bar.Flight 34 is equidistantly to be fixed on center-pole, and center-pole leaves ground with the action that separating tank receives fertilizer
Face.The fertilizer transport in hopper 30 is not interfered with for the motion for ensureing center-pole 33, center-pole is splicing shape, center-pole
There are two 90 degree of right angles to form two connecting rods of flexible connection, head rod and the second connecting rod, head rod on 33
It is fixed in separator disk, is flexibly connected the second connecting rod, the second connecting rod is the bottom of center-pole, i.e. the bottom of the second connecting rod
Flight is installed, head rod and the second connecting rod drive flight to be rotated in separator disk, avoid separating wheel 28
Thickness, is placed in hopper 30, because center-pole 33 is rotated with the rotation of separating wheel 28 always, so fertilizer is along spiral shell
Blade is sprinkled into hole, is sowed uniformly, will not burn root.
Wheel 9 is universal wheel, because wheel 9 is universal wheel, it is possible to the direction that preferably control go-cart 1 is promoted, makes
Go-cart 1 is more neatly moved.The material of transverse slat 8 is stainless steel, because the material of transverse slat 8 is stainless steel, transverse slat 8 is difficult
Corrosion, can extend the service life of transverse slat 8.The material of support 17 is Q235 steel, because the material of support 17 is Q235 steel, institute
So that the bearing strength of support 17 is big, not easy to wear, service life is long.
Operation principle：When to be applied fertilizer to crop using the present invention, device is first pushed into appropriate position, turns T
Type screw rod 4, makes T-shaped screw rod 4 that no longer left branch leg 2 is fixed with sliding sleeve 3, then pushes down on the handle of go-cart 1, makes go-cart 1 left
Side, when the appropriate height of the slide downward of left branch leg 2, turns T-shaped higher than the right side of go-cart 1, the slide downward in sliding sleeve 3 of left branch leg 2
Screw rod 4, the appropriate location for making T-shaped screw rod 4 be fixed on left branch leg 2 on sliding sleeve 3, now transverse slat 8 is in inclined to the right
State, so makes the right side of transverse slat 8 closer to soil, and then promoting go-cart 1 to move to the left needs the place of fertilising.Start simultaneously
Motor 27 is rotated counterclockwise, and motor 27 rotates counterclockwise drive driving wheel 26 and separating wheel 28 is rotated counterclockwise, and separating wheel 28 is inverse
Hour hands are rotated rotates counterclockwise separating tank 25, when the notch of separating tank 25 is located just at 24 lower section of feed hopper, material storing box 23
Interior fertilizer is quantitatively fallen into separating tank 25, and now the length of center-pole is most long, as the rotation of separator disk is bored on ground
Dig pit in hole.Separating wheel 28 is rotated counterclockwise when the notch of separating tank 25 is located just at the top of hopper 30, the spiral shell of center-pole
Blade has been moved off ground, and the fertilizer in separating tank 25 is fallen in the hole for needing fertilising by hopper 30 along center-pole.This
When motor 27 just rotate counterclockwise half-turn, while driving wheel 26 rotate counterclockwise by flat belt 22 drive the inverse time of driven pulley 20
Pin is rotated, and driven pulley 20 rotates counterclockwise drive sector gear 21 and rotates counterclockwise, and sector gear 21 is rotated counterclockwise and tooth bar
During 14 engagement, band carry-over bar 14 is moved upwards, and the upward sliding on slide rail 11 of sliding block 12, spring 13 compresses, and tooth bar 14 is transported upwards
It is dynamic to be moved upwards with the left side of motion plate 8 by connecting rod 16, because the middle part of transverse slat 8 is hingedly connected to support bar 6 by hinge member
On, so motion moves downward the right side of transverse slat 8 to the left side of transverse slat 8 upwards, now go-cart 1 always to left movement, so transverse slat 8
Right side moves downward scraped soil, it is to avoid hole while soil be deposited in hole while, so as to influence the performance of fertilizer drug effect.When go-cart 1
Push through, after fertilizer is struck off, now sector gear 21 is just no longer engaged with tooth bar 14, and spring 13 rebounds, and sliding block 12 is in cunning
Slide downward on rail 11, tooth bar 14 moves downward reset, while transverse slat 8 restPoses, so makes the inverse time always of motor 27
Pin is rotated, while promoting go-cart 1 to left movement always, the place that need fertilising all can be applied fertilizer, while the soil for digging out
Earth is struck off.After whole fertilisings are finished and transverse slat 8 returns to original state, motor 27 is closed, then turn T-shaped screw rod 4, made
After T-shaped screw rod 4 is no longer fixed left branch leg 2 and sliding sleeve 3, handle, the upward sliding in sliding sleeve 3 of left branch leg 2 are pulled upwardly
After balancing go-cart 1, turn T-shaped screw rod 4 and left branch leg 2 is fixed on sliding sleeve 3.Push away go-cart 1.
Crops dig pit formula fertilizer applicator also including rubber sleeve 31 and brace 32, and the outside of the handle of go-cart 1 is provided with rubber
Set 31, the sweep welded top of go-cart 1 has brace 32, and the top of brace 32 is arranged on the left side of separator disk 29 by way of welding.Cause
Also to include rubber sleeve 31, the outside of the handle of go-cart 1 sets rubber sleeve 31, and the handle of go-cart 1 is contacted with hand for a long time, so rubber
Gum cover 31 can protect the handle of go-cart 1, make device be difficult to get rusty, while rubber sleeve 31 can protect hand, brace 32 can be more preferable
The fixedly separated disk 29 in ground, improves the stability of device.
Embodiment described above only expresses the preferred embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations, improvement can also be made and substituted, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of crops are digged pit formula fertilizer applicator, it is characterised in that the crops dig pit formula fertilizer applicator including go-cart (1), under
Material portion and portion is bulldozed, wheel (9) is installed below go-cart (1), blanking portion, the right side of go-cart (1) are installed on the left of go-cart (1)
Side is provided with the portion of being bulldozed, and blanking portion and is bulldozed between portion and is provided with drive connection portion, and motor (27), motor (27) are provided with blanking portion
Driven by drive connection portion and be bulldozed portion, the separating tank (25) of quantitative fertilizer and the hopper of sowing fertilizers are provided with blanking portion
(30), hopper (30) is connected in blanking portion, and fertilizer is moved in hopper (30) from separating tank (25), hopper (30)
Center be provided with center-pole (33), the bottom of center-pole (33) is provided with a circle flight (34).
2. crops according to claim 1 are digged pit formula fertilizer applicator, it is characterised in that the hopper (30) and flight
(34) length of the height sum less than center-pole (33).
3. crops according to claim 1 are digged pit formula fertilizer applicator, it is characterised in that the center-pole (33) is with separating tank
(25) receive fertilizer and leave ground.
4. crops according to claim 1 are digged pit formula fertilizer applicator, it is characterised in that the go-cart (1) is including left branch leg
(2), sliding sleeve (3) and right supporting leg (7), go-cart (1) bottom left are welded with sliding sleeve (3), sliding sleeve (3) and are provided with left branch leg (2),
Left branch leg (2) is connected with sliding sleeve (3) slidingtype, and go-cart (1) bottom right is welded with right supporting leg (7), right supporting leg (7) and left branch leg
(2) the equal rotary type in bottom is connected with wheel (9).
5. crops according to claim 1 are digged pit formula fertilizer applicator, it is characterised in that the blanking portion includes material storing box
(23), feed hopper (24), separating wheel (28) and separator disk (29), material storing box (23) bottom welding have feed hopper (24), feed hopper
(24) bottom is connected with separator disk (29), and separator disk (29) interior rotary type is provided with separating wheel (28), is provided with separating wheel (28) point
From groove (25), motor (27) connects separating wheel (28) and drive connection portion, and separator disk (29) bottom is connected with hopper (30), under
Through the sweep of go-cart (1), the outer surface of separating wheel (28) is provided with waist-shaped hole, the end installation of center-pole (33) to hopper (30)
It is fixed in waist-shaped hole and is rotated with separator disk (29).
6. crops according to claim 1 are digged pit formula fertilizer applicator, it is characterised in that the portion of being bulldozed includes support bar
(6), transverse slat (8), 7 type poles (10), slide rail (11), sliding block (12), spring (13), tooth bar (14) and connecting rod (16), go-cart (1)
Top right side is welded with 7 type poles (10), and 7 type pole (10) inside tops are connected with slide rail (11), the connection of slide rail (11) bottom
At go-cart (1) sweep top, slidingtype is connected with sliding block (12) on slide rail (11), and sliding block (12) welded top has spring (13),
The other end of spring (13) is connected to 7 type pole (10) inside tops, and the bolted mode that passes on left of sliding block (12) connects
Tooth bar (14) is connected to, the bottom that tooth bar (14) bottom welding has connecting rod (16), connecting rod (16) is flexibly connected with transverse slat (8) left side.
7. crops according to claim 1 are digged pit formula fertilizer applicator, it is characterised in that the crops are digged pit formula fertilizer applicator
Also include rubber sleeve (31), go-cart (1) is provided with handle, and the outside of handle sets rubber sleeve (31).
8. crops according to claim 1 are digged pit formula fertilizer applicator, it is characterised in that wheel (9) is universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611098184.5A CN106717390A (en) | 2016-12-03 | 2016-12-03 | Crops are digged pit formula fertilizer applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611098184.5A CN106717390A (en) | 2016-12-03 | 2016-12-03 | Crops are digged pit formula fertilizer applicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106717390A true CN106717390A (en) | 2017-05-31 |
Family
ID=58882871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611098184.5A Pending CN106717390A (en) | 2016-12-03 | 2016-12-03 | Crops are digged pit formula fertilizer applicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106717390A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018726A (en) * | 2017-06-06 | 2017-08-08 | 郑世珍 | A kind of agricultural uses automatic sowing device |
| CN113099809A (en) * | 2021-04-12 | 2021-07-13 | 华中农业大学 | Boat type lotus root field fertilizer distributor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11318122A (en) * | 1998-05-14 | 1999-11-24 | Iseki & Co Ltd | Feeding device |
| CN103947359A (en) * | 2014-04-28 | 2014-07-30 | 安徽农业大学 | Wheat middle-stage electric deep fertilizer applicator capable of realizing underground broadcasting |
| CN203985027U (en) * | 2014-08-26 | 2014-12-10 | 淮海工学院 | A kind of profiling deep fertilizer applicator |
| CN105191553A (en) * | 2015-10-09 | 2015-12-30 | 潍坊友容实业有限公司 | Transplanting machine for crop seedlings |
| CN106134595A (en) * | 2016-06-07 | 2016-11-23 | 刘养青 | A kind of agricultural uses swing type fertilizer apparatus |
-
2016
- 2016-12-03 CN CN201611098184.5A patent/CN106717390A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11318122A (en) * | 1998-05-14 | 1999-11-24 | Iseki & Co Ltd | Feeding device |
| CN103947359A (en) * | 2014-04-28 | 2014-07-30 | 安徽农业大学 | Wheat middle-stage electric deep fertilizer applicator capable of realizing underground broadcasting |
| CN203985027U (en) * | 2014-08-26 | 2014-12-10 | 淮海工学院 | A kind of profiling deep fertilizer applicator |
| CN105191553A (en) * | 2015-10-09 | 2015-12-30 | 潍坊友容实业有限公司 | Transplanting machine for crop seedlings |
| CN106134595A (en) * | 2016-06-07 | 2016-11-23 | 刘养青 | A kind of agricultural uses swing type fertilizer apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018726A (en) * | 2017-06-06 | 2017-08-08 | 郑世珍 | A kind of agricultural uses automatic sowing device |
| CN113099809A (en) * | 2021-04-12 | 2021-07-13 | 华中农业大学 | Boat type lotus root field fertilizer distributor |
| CN113099809B (en) * | 2021-04-12 | 2022-03-29 | 华中农业大学 | Boat type lotus root field fertilizer distributor |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |