CN212936595U - Corn sowing equipment - Google Patents
Corn sowing equipment Download PDFInfo
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- CN212936595U CN212936595U CN202021272009.5U CN202021272009U CN212936595U CN 212936595 U CN212936595 U CN 212936595U CN 202021272009 U CN202021272009 U CN 202021272009U CN 212936595 U CN212936595 U CN 212936595U
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- seed
- shaft
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- 238000009331 sowing Methods 0.000 title claims abstract description 50
- 240000008042 Zea mays Species 0.000 title claims abstract description 27
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 27
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 20
- 235000005822 corn Nutrition 0.000 title claims abstract description 20
- 238000010899 nucleation Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 15
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims abstract description 7
- 235000009973 maize Nutrition 0.000 claims abstract description 7
- 239000002689 soil Substances 0.000 claims description 74
- 241000721671 Ludwigia Species 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001629 suppression Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011049 pearl Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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Abstract
Corn seeding equipment, which comprises a frame, the rack below has set gradually the furrow opener, the covering device, frame top has set gradually seed case and seed metering ware, the seed metering ware is located seed case, seed case is located the top between furrow opener and the covering device, seed case below is equipped with the seed tube, seed tube middle part is connected with the secondary mechanism of sowing with the seed tube intercommunication, the seed metering ware includes the box of being connected with the frame and the seed sowing shaft that is located the vertical setting in the box, the box bottom surface is provided with the plate body, evenly distributed has the seed sowing mouth under the second on the plate body, be provided with the carousel on the plate body upper surface, establish the seed sowing mouth of second on the carousel, seed sowing mouth under the second and first seed sowing mouth experience the seed sowing mouth under the second stagger with first seed sowing mouth in carousel pivoted in-process, the. The utility model discloses simple structure can realize the seeding of maize, has reduced workman's intensity of labour, and seeding effect is good.
Description
Technical Field
The utility model belongs to seeding machinery especially relates to a maize seeding equipment.
Background
The corn planting is widely distributed in the original regions of China, and the corn needs to be planted on the ground at the beginning of planting, and the seeds gradually grow into rice pearls through irrigation and illumination.
The planting process of the corn seeds comprises the following steps: the corn planting machine has the advantages that the processes of ditching, seeding, soil covering and the like are performed, in order to reduce the labor intensity of a human body, the corn planting machine is provided in the prior art, and the ditching, the seeding and the soil covering are arranged in one machine. After the colter is used for ditching the land, the seeds in the seed box fall into the ditches dug by the colter on the ground, and the soil covering wheels are covered with soil to cover the seeds.
Although this method reduces labor intensity and improves work efficiency, it has a big problem: in order to make the seed in the seed box fall into the ground, a seed sowing device is arranged in the seed box, and the seed sowing device is in an ideal state: seeds are thrown at a certain distance at intervals, the existing seed sowing device is provided with a shaft rotating form, a toothed sheet is arranged on a shaft, the seeds are poked through the toothed sheet to fall, and the mode has the following defects: the seeds are easy to be stuck with the tooth plates, and frequent maintenance is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a maize seeding equipment of simple structure, excellent in use effect.
In order to solve the technical problem, the utility model provides a following technical scheme: corn seeding equipment, which comprises a frame, the rack below has set gradually the furrow opener, the covering device, frame top has set gradually seed case and seed metering ware, the seed metering ware is located seed case, seed case is located the top between furrow opener and the covering device, seed case below is equipped with the seed tube, seed tube middle part is connected with the secondary mechanism of sowing with the seed tube intercommunication, the seed metering ware includes the box of being connected with the frame and the seed sowing shaft that is located the vertical setting in the box, the box bottom surface is provided with the plate body, evenly distributed has the seed sowing mouth under the second on the plate body, be provided with the carousel on the plate body upper surface, establish the seed sowing mouth of second on the carousel, seed sowing mouth under the second and first seed sowing mouth experience the seed sowing mouth under the second stagger with first seed sowing mouth in carousel pivoted in-process, the.
The secondary seed sowing mechanism comprises a seed sowing box and a seed sowing shaft positioned in the seed sowing box, wherein the seed sowing shaft is circumferentially provided with tooth plates which are distributed on the seed sowing shaft in pairs, and meanwhile, the tooth plates are positioned in the seed sowing box; the lower seed box is provided with an opening, the tooth sheets are positioned in the opening, and the sum of the lengths of the tooth sheets in each row is equal to the diameter of the opening.
A front land wheel and a rear land wheel are also arranged below the frame and are respectively positioned at the front end and the rear end of the frame; a front land wheel shaft is arranged on the rack in cooperation with the front land wheel, and a rear land wheel shaft is arranged on the rack in cooperation with the rear land wheel; the frame is provided with a seed shaft matching with the seed sowing device, the frame is provided with a seed discharging shaft matching with the turntable, and the front ground wheel shaft is in transmission connection with the seed shaft and the seed discharging shaft through a chain.
The frame is also provided with a motor which is in transmission connection with the front ground wheel shaft.
A soil crushing mechanism is also arranged in front of the frame and comprises a soil crusher, a soil crushing shaft and a connecting shaft, the soil crushing shaft is parallel to the front ground wheel shaft, and the soil crushing shaft is in transmission connection with the front ground wheel shaft through a chain; the soil crushing shaft is provided with a right-angle reverser, and the connecting shaft is connected with the soil crushing shaft through the right-angle reverser; the soil crusher comprises a rod body which is provided with blades and uniformly distributed along the height direction and the circumferential direction of the connecting shaft, and the blade direction of the rod body is the same as the rotating direction of the connecting shaft.
The furrow opener comprises two furrow plates with cutting edges, the two furrow plates are arranged in a backward inclining mode, a groove body is formed behind the two furrow plates, the tail end of the seed discharging pipe extends into the groove body, and the tail end of the seed discharging pipe is vertically arranged.
The soil covering device comprises a soil covering support and two soil covering sheets, the soil covering support is connected to the rack, and the two soil covering sheets are inclined towards the back and towards the outer side.
And a press wheel positioned at the rear part of the soil covering device is arranged below the seed box, and the press wheel is rotatably connected with the seed box.
The press wheel is connected with a press support, and the press wheel is rotatably arranged on the press support.
A first compression spring is connected between the soil covering support and the rack, and a second compression spring is connected between the pressing support and the rack.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses simple structure can realize the seeding of maize, has reduced workman's intensity of labour, and seeding is effectual, and the design is compact, closes structure as an organic whole to seeding processes such as ditching, seeding, earthing, suppression, and the seeding is efficient, is favorable to improving the development of agricultural mechanization.
2. The seed metering device and the secondary seed sowing mechanism are combined, so that the probability of seed blockage is effectively reduced.
3. The first buffer spring and the second buffer spring that set up can adapt to ground height, improve earthing and suppression effect.
4. The soil breaking mechanism can break the ground before ditching, and soil blocks are broken, so that the seeds can absorb nutrients, and the range of the equipment applicable to the land is enlarged.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic view of a seeding shaft structure;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a schematic view of a seed metering device;
FIG. 5 is a schematic view of a turntable structure;
FIG. 6 is a schematic diagram of a plate structure;
FIG. 7 is a schematic view of the construction of the coverer;
FIG. 8 is a schematic view of the press wheel structure;
FIG. 9 is a schematic view of the structure of the furrow opener;
FIG. 10 is a schematic structural view of example 2.
Detailed Description
Embodiment 1, maize seeding equipment, as shown in fig. 1-9, includes frame 2, has set gradually furrow opener 9, coverer 10 and press wheel 11 below frame 2, has set gradually seed case 7 and seed metering ware 6 above frame 2, and seed metering ware 6 is located seed case 7, and seed case 7 is located the top between furrow opener 9 and coverer 10. The furrow opener 9 ditches on the ground, the corn seeds in the seed box 7 fall into the ditch from the seed box 7 under the action of the seed sowing device 6, the covering device 10 covers the soil of the sowed corn seeds, and meanwhile, the pressing wheel 11 compacts the covered ditch.
Wherein, frame 2 adopts 45 steel to make, and simultaneously, frame 2 is the rectangle. The frame 2 is provided with a handrail 13, in order to move conveniently, a front land wheel 1 and a rear land wheel 4 are arranged below the frame 2, and the front land wheel 1 and the rear land wheel 4 are respectively positioned at the front end and the rear end of the frame 2; the frame 2 is provided with a front ground wheel shaft 3 matched with the front ground wheel 1, and the frame 2 is provided with a rear ground wheel shaft 4 matched with the rear ground wheel 4.
Meanwhile, a motor is arranged on the frame 2 and is in transmission connection with the front ground wheel shaft 3. Thus, under the action of the motor, the front ground wheel shaft 3 drives the frame 2 to move.
In this embodiment, the number of seed boxes 7 is 4, but it is needless to say that 5 or 6 seed boxes may be provided as necessary.
Seed case 7 is the case form, and seed case 7 below is equipped with seed metering ware 6, and seed metering ware 6 includes the box for the function of sowing of realization, and the box is connected with the seed case. The bottom surface of the box body is provided with a plate body 21, second seed outlets 23 are uniformly distributed on the plate body 21, a turntable 20 is arranged on the upper surface of the plate body 21, and a transmission shaft 22 is rotatably connected with the turntable 20.
The rotating disc 20 is provided with a second seed dropping hole 23, and the second seed dropping hole 23 and the first seed dropping hole 24 are subjected to the processes of staggering the second seed dropping hole 23 and the first seed dropping hole 24 and aligning the second seed dropping hole 23 and the first seed dropping hole 24 in the rotating process of the rotating disc 20.
The second seed dropping openings 23 and the first seed dropping openings are respectively distributed over the turntable 20 and the plate body 21, meanwhile, the sizes of the first seed dropping openings 24 and the second seed dropping openings 23 are both larger than the diameter of the seeds, and the distance between the adjacent first seed dropping openings 24 is equal to the diameter of the first seed dropping openings 24; the distance between the adjacent second sowing holes 23 is equal to the diameter of the second sowing holes 23. A seed conveying pipe 5 is arranged below the box body, a secondary seed sowing mechanism is connected to the seed conveying pipe 5, and the secondary seed sowing mechanism is used for intercepting seeds. The secondary seed sowing mechanism comprises a seed sowing box and a seed sowing shaft 12, the seed sowing shaft 12 is parallel to the front land wheel shaft 3, and meanwhile, the seed sowing shaft 12 is in transmission connection with the front land wheel shaft 3 through a chain. The tooth plates 19 are arranged along the circumferential direction of the seeding shaft 12, the tooth plates 19 are distributed on the seeding shaft 12 in pairs, and meanwhile, the tooth plates 19 are positioned in the lower seed box; an opening is arranged on the lower seed box, the tooth plates 19 are positioned in the opening, and the sum of the lengths of each row of tooth plates 19 is equal to the diameter of the opening. In the process of rotating the front land axle 3, the seeding shaft 12 rotates, the seeding shaft 12 drives the tooth sheets 19 to rotate, and in the process of rotating the tooth sheets 19, seeds are exposed at the gap parts of the adjacent tooth sheets 19.
The seed that drops from seed case enters into the seed metering ware the inside, and the conveying axle 22 of seed metering ware drives the carousel and rotates to make first kind of a mouthful stagger or align with the second kind of a mouthful, when both align, the seed drops in the seed conveying pipe, meets secondary mechanism of planting seeds in the conveyer pipe, and the seed metering axle of secondary mechanism of planting seeds rotates, thereby makes the seed can drop from the clearance position of adjacent flight.
After secondary mechanism 8 of planting seeds, can intercept most unnecessary seed, the seed in the box can cushion the case of planting seeds, prevents that the incasement of planting seeds overstocks many kinds of seeds, and takes place the dead phenomenon of card.
Firstly, the seed metering device utilizes the mode of aligning holes or opening holes in a wrong mode for feeding, seeds fall between adjacent tooth sheets in the seed box, and the seeds falling through the seed metering device are less in quantity, so that the seeds falling between the adjacent tooth sheets in the seed box are less, and the phenomenon of blocking is not easy to occur.
In order to make the transmission shaft 22 rotatable, a lower shaft 31 is provided behind the front ground wheel shaft 3, the lower shaft 31 is parallel to the front ground wheel shaft 3 and both are in a horizontal state, meanwhile, a right-angle commutator is provided on the lower shaft 31, and the lower shaft 31 is connected with the transmission shaft 22 through the right-angle commutator.
The furrow opener 9 is located the lower place ahead of seed case 7, can be subaerial ditching, furrow opener 9 includes two ditching boards 30 that have the cutting edge, two ditching boards 30 slope the setting backward, two ditching boards 30 rear form cell bodies, the seed metering pipe end stretches into in the cell body, and the terminal vertical setting of seed metering pipe, after 9 ditches of furrow opener, the seed that comes out from the seed metering pipe falls into in the ditch, so need stretch into the cell body with the seed metering pipe end here, can carry the seed in the ditch newly opened very first time, avoid sending soil unstability, fall into the ditch, influence the problem of seed planting depth.
The quantity of furrow opener 9 equals with the quantity of seed case 7, and, furrow opener 9 corresponds seed case 7 and sets up, and here correspondence indicates: the seed tube 5 can reach the furrow opener 9 from the seed box 7 without being bent in the horizontal direction.
The covering device 10 is located the furrow opener 9 below, and the covering device 10 is located the seed case 7 rear, and the quantity of covering device 10 equals with the quantity of furrow opener 9, and the covering device 10 corresponds the setting of furrow opener 9, and corresponding meaning does: the ditch opened by the furrow opener 9 can be just covered by the soil covering device 10. The soil covering device 10 comprises a soil covering support 26 and two soil covering sheets 27, the soil covering support 26 is rotatably connected to the frame 2, and the two soil covering sheets 27 are arranged in a mode of inclining towards the back to the outer side.
Therefore, in the moving process of the frame 2, the soil covering sheets 27 can be used for shifting the soil coming out of the ditches into the ditches to cover the seeds.
In order to adapt to the height of the ground, a first compression spring 25 is connected between the soil covering bracket 26 and the frame 2, and a first compression spring 25 is connected between the pressing bracket 29 and the frame 2. The first compression spring 25 can be pressed to the soil covering bracket 26 all the time, so that the soil covering sheet 27 is in contact with the ground, and a good soil covering effect is achieved.
The press wheel 11 is located the covering device 10 rear, and the press wheel 11 rotates and sets up in frame 2, and when frame 2 removed, press wheel 11 can rotate. A press bracket 29 is connected on the press wheel 11, and the press bracket 29 is rotationally connected on the frame 2; the press wheel 11 is rotatably arranged on the press bracket 29. A second compression spring 28 is arranged between the pressing bracket 29 and the frame 2, and the second compression spring 28 can be pressed to the pressing bracket 29 at all times, so that the pressing wheel 11 is in contact with the ground, and a better pressing effect is realized.
Through the suppression of suppression wheel 11, the soil that covers can the compaction, effectively reduces the probability that the seed was eaten by birds, simultaneously, effectively avoids later stage irrigation to wash out the seed.
Example 2: the present embodiment is different from embodiment 1 in that: as shown in fig. 10, a soil breaking mechanism is further arranged in front of the frame 2, the soil breaking mechanism comprises a soil breaker, a soil breaking shaft 14 and a connecting shaft 16, the soil breaking shaft 14 is parallel to the front ground wheel shaft 3, and the soil breaking shaft 14 is in transmission connection with the front ground wheel shaft 3 through a chain; a right-angle reverser 15 is arranged on the soil crushing shaft 14, and a connecting shaft 16 is connected with the soil crushing shaft 14 through the right-angle reverser 15; the soil crusher includes along 16 direction of height of connecting axle, the body of rod 17 that is equipped with the blade of circumference evenly distributed, and body of rod 17 blade direction is the same with connecting axle 16 rotation direction.
The front land wheel shaft 3 drives the soil crushing shaft 14 to rotate, the soil crushing shaft 14 rotates in the horizontal direction, the rotation of the soil crushing shaft 14 in the horizontal direction is converted into the rotation of the connecting shaft 16 in the vertical direction under the action of the right-angle reverser, and the connecting shaft 16 drives the rod body 17 to rotate while rotating, so that the soil in front of the furrow opener 9 is crushed. Through setting up hack mechanism, adapt to the seeding in dry soil on the one hand, reduced the probability of appearance of great soil block on the other hand, improved the survival rate of seed, absorption nutrient that can be fabulous.
In the soil crushing mechanism in the embodiment, the number of the connecting shafts 16 is equal to that of the furrow openers 9, and the connecting shafts 16 are arranged corresponding to the furrow openers 9, so that the soil crushing mechanism is light in weight and convenient to use through the form of the connecting shafts 16, does not damage the ground in a large area, and is suitable for the interplanted land.
The working process is as follows: the motor drives the front ground wheel shaft 3 to rotate, and the front ground wheel shaft 3 rotates to drive the front ground wheel 1 to rotate, so that the rack 2 is driven to move. When the front ground wheel shaft 3 rotates, the soil crushing mechanism crushes soil and breaks the skin of the ground, and the furrow opener 9 ditches the ground after the soil crushing mechanism acts. The seeds in the seed box 7 enter a secondary seeding mechanism 8 through a seed conveying pipe 5 for secondary seeding, and part of redundant seeds are intercepted; the seeds passing through the secondary seeding mechanism 8 enter the rear part of the furrow opener 9 through the seed conveying pipe 5 and fall into the opened furrow, and the soil is covered by the soil covering device 10; and the press wheel 11 presses the covered soil.
The utility model discloses simple structure can realize the seeding of maize, has reduced workman's intensity of labour, and seeding is effectual, and the design is compact, closes structure as an organic whole to seeding processes such as ditching, seeding, earthing, suppression, and the seeding is efficient, is favorable to improving the development of agricultural mechanization.
Claims (10)
1. Maize seeding equipment, including the frame, the frame below has set gradually furrow opener, coverer, and the frame top has set gradually seed case and seed metering ware, and the seed metering ware is located seed case below, and the seed case is located the top between furrow opener and the coverer, its characterized in that: a seed conveying pipe is arranged below the seed metering device, and the middle part of the seed conveying pipe is connected with a secondary seed sowing mechanism communicated with the seed conveying pipe; the seed metering device comprises a box body connected with a seed box and a vertically arranged seed discharging shaft positioned in the box body, a plate body is arranged on the bottom surface of the box body, second seed discharging ports are uniformly distributed on the plate body, a rotary table is arranged on the upper surface of the plate body, the second seed discharging ports are arranged on the rotary table, the second seed discharging ports and the first seed discharging ports are subjected to the process that the second seed discharging ports and the first seed discharging ports are staggered and the second seed discharging ports and the first seed discharging ports are aligned in the rotary table rotating process.
2. The corn planting apparatus of claim 1, wherein: the secondary seed sowing mechanism comprises a seed sowing box and a seed sowing shaft positioned in the seed sowing box, wherein the seed sowing shaft is circumferentially provided with tooth plates which are distributed on the seed sowing shaft in pairs, and meanwhile, the tooth plates are positioned in the seed sowing box; the lower seed box is provided with an opening, the tooth sheets are positioned in the opening, and the sum of the lengths of the tooth sheets in each row is equal to the diameter of the opening.
3. The corn planting apparatus of claim 2, wherein: a front land wheel and a rear land wheel are also arranged below the frame and are respectively positioned at the front end and the rear end of the frame; a front land wheel shaft is arranged on the rack in cooperation with the front land wheel, and a rear land wheel shaft is arranged on the rack in cooperation with the rear land wheel; the frame is provided with a seed shaft matching with the seed sowing device, the frame is provided with a seed discharging shaft matching with the turntable, and the front ground wheel shaft is in transmission connection with the seed shaft and the seed discharging shaft through a chain.
4. A corn planting apparatus as claimed in claim 3, wherein: the frame is also provided with a motor which is in transmission connection with the front ground wheel shaft.
5. A corn planting device as claimed in any one of claims 1 to 4, wherein: a soil crushing mechanism is also arranged in front of the frame and comprises a soil crusher, a soil crushing shaft and a connecting shaft, the soil crushing shaft is parallel to the front ground wheel shaft, and the soil crushing shaft is in transmission connection with the front ground wheel shaft through a chain; the soil crushing shaft is provided with a right-angle reverser, and the connecting shaft is connected with the soil crushing shaft through the right-angle reverser; the soil crusher comprises a rod body which is provided with blades and uniformly distributed along the height direction and the circumferential direction of the connecting shaft, and the blade direction of the rod body is the same as the rotating direction of the connecting shaft.
6. The corn planting apparatus of claim 5, wherein: the furrow opener comprises two furrow plates with cutting edges, the two furrow plates are arranged in a backward inclining mode, a groove body is formed behind the two furrow plates, the tail end of the seed discharging pipe extends into the groove body, and the tail end of the seed discharging pipe is vertically arranged.
7. The corn planting apparatus of claim 6, wherein: the soil covering device comprises a soil covering support and two soil covering sheets, the soil covering support is connected to the rack, and the two soil covering sheets are inclined towards the back and towards the outer side.
8. The corn planting apparatus of claim 7, wherein: and a press wheel positioned at the rear part of the soil covering device is arranged below the seed box, and the press wheel is rotatably connected with the seed box.
9. The corn planting apparatus of claim 8, wherein: the press wheel is connected with a press support, and the press wheel is rotatably arranged on the press support.
10. The corn planting apparatus of claim 9, wherein: a first compression spring is connected between the soil covering support and the rack, and a second compression spring is connected between the pressing support and the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021272009.5U CN212936595U (en) | 2020-07-03 | 2020-07-03 | Corn sowing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021272009.5U CN212936595U (en) | 2020-07-03 | 2020-07-03 | Corn sowing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212936595U true CN212936595U (en) | 2021-04-13 |
Family
ID=75389493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021272009.5U Expired - Fee Related CN212936595U (en) | 2020-07-03 | 2020-07-03 | Corn sowing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212936595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115885824A (en) * | 2023-01-06 | 2023-04-04 | 河南省新乡市农业科学院（新乡农业科技创新中心） | Micro-spraying belt laying device matched with corn planter |
-
2020
- 2020-07-03 CN CN202021272009.5U patent/CN212936595U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115885824A (en) * | 2023-01-06 | 2023-04-04 | 河南省新乡市农业科学院（新乡农业科技创新中心） | Micro-spraying belt laying device matched with corn planter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210820 Address after: 467000 Baofeng industrial cluster, Pingdingshan City, Henan Province Patentee after: PINGDINGSHAN JIUJIU INDUSTRIAL Co.,Ltd. Address before: 467000 South Section of Future Road in Pingdingshan New Urban District, Henan Province Patentee before: PINGDINGSHAN University |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |