CN109005791B - Intelligent experimental seedling-raising and seeding device - Google Patents
Intelligent experimental seedling-raising and seeding device Download PDFInfo
- Publication number
- CN109005791B CN109005791B CN201810742801.3A CN201810742801A CN109005791B CN 109005791 B CN109005791 B CN 109005791B CN 201810742801 A CN201810742801 A CN 201810742801A CN 109005791 B CN109005791 B CN 109005791B
- Authority
- CN
- China
- Prior art keywords
- seeding
- driving
- seedling
- clamping
- tray
- 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.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
- A01C7/085—Broadcast seeders
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention aims to provide an intelligent experimental seedling-raising and seeding device which is used for solving the technical problem of seeding a seedling-raising tray. The utility model provides an intelligent experiment seeder of growing seedlings, includes tray, the seeding moving mechanism in proper order, seeding support frame and seeding actuating mechanism of growing seedlings. The invention has the beneficial effects that: can realize the intelligent seeding of tray of growing seedlings, improve work efficiency.
Description
Technical Field
The invention relates to the technical field of experimental seedling raising devices, in particular to an intelligent experimental seedling raising and seeding device.
Background
In the field of biological seedling raising technology, in order to increase the yield of crops (wheat, corn, rice, etc.), seedlings are generally screened by a scientific means. In order to accelerate the seedling raising speed and shorten the time limit of good variety cultivation, the seedling raising is carried out on a laboratory seedling raising tray in the prior art. The seeding work on the seedling tray is that the experimenter seeds manually at present. However, in some special seedling raising environments, aseptic cultivation is required, and manual sowing may cause environmental pollution. Therefore, it is necessary to provide a technical solution to make up for the deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide an intelligent experimental seedling-raising and seeding device which is used for solving the technical problem of seeding a seedling-raising tray.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an intelligent experimental seedling-raising and seeding device comprises a seedling-raising tray, a sequential seeding moving mechanism, a seeding support frame and a seeding driving mechanism;
the sequential sowing moving mechanism realizes the back-and-forth movement of the seedling tray, and the seedling tray is arranged on the power output end of the sequential sowing moving mechanism; a seedling raising cavity is arranged on the seedling raising tray; the seeding support frame is arranged on one side of the sequential seeding moving mechanism, and the seeding driving mechanism is arranged on the seeding support frame and is positioned above the sequential seeding moving mechanism; the seeding driving mechanism comprises a seeding cavity and a seeding cylinder, the lower end of the seeding cavity is provided with a communicated seeding pipe, the lower end of the seeding pipe is provided with a plurality of seeding branch pipes, and the lower ends of the seeding branch pipes are arranged corresponding to the seedling culture cavity on the seedling culture tray; the seeding pipe is provided with a seeding stop groove, the power output end of the seeding cylinder is provided with a seeding stop sheet, and the seeding stop sheet can be arranged in the seeding stop groove in an inner-outer sliding mode.
Furthermore, a sowing detection photoelectric switch is arranged on the outer side of the sowing cavity.
Furthermore, the sequential sowing moving mechanism comprises a driving motor, a driving bottom box, a driving screw, a driving nut and a driving support plate, wherein the driving motor is arranged at the rear end of the driving bottom box; the driving screw is arranged along the longitudinal extension direction of the driving bottom box, and the rotary power input end of the driving screw is fixedly connected with the rotary power output end of the driving motor; the driving nut is in threaded connection with the driving screw in a matching manner; the upper end of the driving bottom box is provided with a driving sliding groove, the lower end of the driving support plate is provided with a driving guide rail, and the driving guide rail is slidably arranged in the driving sliding groove; the driving nut is fixedly connected with the driving carrier plate; the seedling tray is installed on the driving support plate.
Furthermore, the upper end of the driving support plate is provided with a bearing driving groove, and the seedling tray is installed in the bearing driving groove.
Further, the width of the seedling tray is smaller than that of the bearing driving groove; a clamping driving cavity is arranged in the rear end part of the driving support plate and is communicated with the rear end of the bearing driving groove through a clamping driving hole;
the tray clamping driving mechanism comprises a clamping plate, a clamping driving spring, a clamping driving rod and a reset soft magnet; the clamping driving rod is arranged in the clamping driving hole in a sliding mode, the clamping plate is positioned in the bearing driving groove, and the outer end of the clamping driving rod is fixedly connected with the clamping plate; the clamping driving spring is arranged between the clamping plate and the bearing driving groove; the reset soft magnet is fixedly arranged at the rear end in the clamping driving cavity, the reset soft magnet is arranged corresponding to the rear end of the clamping driving rod, an excitation coil is wound outside the reset soft magnet, and the excitation coil is connected with a power supply through a reset electric control switch.
Furthermore, the seeding driving mechanism comprises a shifting wheel, and the shifting wheel is rotatably arranged in the seeding cavity through a rotating shaft.
Further, the upper end of the seeding branch pipe is obliquely communicated with the seeding pipe.
Furthermore, a spraying mechanism is arranged on the seeding support frame and is positioned behind the seeding driving mechanism; spraying mechanism stores up the chamber including spraying support, spray tube, gondola water faucet, spray pump and liquid, and the gondola water faucet is installed at the seeding lower extreme that sprays the support, and the play liquid end of spray pump passes through spray tube and gondola water faucet intercommunication, and the feed liquor end of hydrojet pump stores up the chamber intercommunication through pipeline and liquid.
Further, the rear side of spraying the support is installed and is sprayed detection photoelectric switch.
Furthermore, a plant fiber substrate is arranged in the seedling raising cavity.
The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and one of the above technical solutions has the following advantages or beneficial effects:
can realize the intelligent seeding of tray of growing seedlings, improve work efficiency.
Drawings
FIG. 1 is a schematic front view of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic top view of the overall structure of an embodiment of the present invention;
FIG. 3 is a schematic view, partly in section, taken at A in FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 1 at B;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
FIG. 6 is a schematic sectional view taken along line A-A in FIG. 2;
FIG. 7 is a schematic sectional view taken along line B-B in FIG. 2;
FIG. 8 is a control schematic block diagram of an embodiment of the present invention
In the figure: 1. a seedling raising tray; 2. a seeding support frame; 3. driving the bottom case; 4. a drive screw; 5. a drive nut; 6. driving the carrier plate; 7. a drive chute; 8. a drive rail; 9. a bearing drive groove; 10. a seedling raising cavity; 11. a clamping drive cavity; 12. a clamping plate; 13. clamping the drive spring; 14. clamping the driving rod; 15. resetting the soft magnet; 16. a seeding cavity; 161. seeding a pipe; 162. sowing branch pipes; 17. a thumb wheel; 18. a sowing cylinder; 19. a cavity support; 20. a cylinder support; 21. seeding and stopping pieces; 22. spraying the bracket; 23. a spray tube; 24. a shower head; 25. a spray pump; 26. a liquid reservoir; 27. a control box; 28. a controller; 29. a control panel; 30. seeding detection photoelectric switch; 31. detecting a photoelectric switch by spraying; 32. a drive motor; 33. resetting the electric control switch; 34. a seed poking motor; 35. an electric control air valve for seeding.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and techniques are omitted so as to not unnecessarily limit the invention.
As shown in fig. 1 to 8, an intelligent experimental seedling-raising and seeding device comprises a seedling-raising tray 1, a sequential seeding moving mechanism, a tray clamping mechanism, a seeding support frame 2, a seeding driving mechanism, a spraying mechanism and a control system.
The sequential seeding moving mechanism is used for driving the seedling tray 1 to move so as to realize sequential seeding and nutrient solution spraying procedures on the seedling tray 1. The sequential sowing moving mechanism comprises a driving motor 32, a driving bottom box 3, a driving screw rod 4, a driving nut 5 and a driving carrier plate 6; the driving motor 32 is a stepping motor, and the driving motor 32 is installed at the rear end of the driving bottom box 3; the driving screw rod 4 is arranged along the longitudinal extension direction of the driving bottom box 3, and the rotary power input end of the driving screw rod 4 is fixedly connected with the rotary power output end of the driving motor 32; the driving nut 5 is in matched threaded connection with the driving screw rod 4. The inner side and the outer side of the upper end of the driving bottom box 3 are respectively provided with a driving sliding chute 7, the two sides of the lower end of the driving support plate 6 are respectively provided with a driving guide rail 8 along the longitudinal extension direction of the driving bottom box 3, and the driving guide rails 8 are slidably arranged in the driving sliding chutes 7; the driving nut 5 is fixedly connected with the driving carrier plate 6. The upper end of the driving carrier plate 6 is provided with a bearing driving groove 9, and the seedling tray 1 is movably arranged in the bearing driving groove 9. The width of the seedling tray 1 is smaller than the width of the bearing driving groove 9, so that the tray clamping mechanism fixes the seedling tray 1 and takes and places the seedling tray 1, a plurality of rows of seedling cavities 10 are formed in the seedling tray 1, and plant fiber substrates are arranged in the seedling cavities 10.
A clamping driving cavity 11 is arranged in the rear end part of the driving carrier plate 6, and the clamping driving cavity 11 is communicated with the rear end of the bearing driving groove 9 through a clamping driving hole; the clamping driving cavity 11 is used for installing the tray clamping mechanism. The tray clamping driving mechanism comprises a clamping plate 12, a clamping driving spring 13, a clamping driving rod 14 and a reset soft magnet 15, wherein the clamping driving rod 14 is installed in the clamping driving hole in an internal-external sliding mode, the clamping plate 12 is located in the bearing driving groove 9, and the outer end of the clamping driving rod 14 is fixedly connected with the clamping plate 12; the clamping driving spring 13 is arranged between the clamping plate 12 and the wall of the groove for bearing the driving groove 9, namely the clamping driving spring 13 pushes the clamping plate 12 to extrude, clamp and fix the seedling raising tray 1. The reset soft magnet 15 is fixedly installed at the rear end in the clamping driving cavity 11, the reset soft magnet 15 is arranged corresponding to the rear end of the clamping driving rod 14, and the rear end of the clamping driving rod 14 is made of a magnetic material (such as iron). An exciting coil is wound outside the reset soft magnet 15 and is connected with a power supply through a reset electric control switch 33. When the seedling raising tray 1 needs to be placed on the bearing driving groove 9, the reset electric control switch 33 is turned on, the clamping driving rod 14 moves inwards under the adsorption effect of the reset soft magnet 15, the clamping plate 12 is further driven to move backwards (the clamping driving spring 13 is compressed), and enough space for placing the seedling raising tray 1 is reserved on the bearing driving groove 9. After the seedling raising tray 1 is placed, the reset electric control switch 33 is turned off, the clamping driving rod 14 loses the adsorption effect of the reset soft magnet 15, and then the clamping plate 12 moves towards the front end under the effect of the clamping driving spring 13 to extrude, clamp and fix the seedling raising tray 1.
The lower extreme of seeding support frame 2 with the medial extremity fixed connection of drive under casing 3, seeding actuating mechanism, spraying mechanism install in proper order around respectively on seeding support frame 2. The seeding driving mechanism is used for seeding in the seedling raising cavity 10 of the seedling raising tray 1 and comprises a seeding cavity 16, a thumb wheel 17, a seeding air cylinder 18 and a seeding detection photoelectric switch 30 (such as a diffuse reflection photoelectric switch). The seeding cavity 16 is arranged on the seeding support frame 2 through the cavity body support 19, the lower end of the seeding cavity 16 is provided with a communicated seeding pipe 161, the lower end of the seeding pipe 161 is provided with a plurality of seeding branch pipes 162, and the upper ends of the seeding branch pipes 162 are obliquely communicated with the seeding pipe 161 so as to facilitate the uniform and smooth introduction of seeds; the lower end of the seeding branch pipe 162 is arranged corresponding to the seedling raising cavity 10 on the seedling raising tray 1. The seeding chamber 16 is used for placing seeds to be seeded, and the thumb wheel 17 is rotatably arranged in the seeding chamber 16 through a rotating shaft and used for poking the seeds in the seeding chamber 16 to smoothly enter the seeding tube 161 below. The rotating shaft of the dial wheel 17 is connected with a seed setting motor 34, namely, the seed setting motor 34 drives the dial wheel 17 to rotate. The seeding pipe 161 is provided with a seeding stop groove, and the seeding stop groove is arranged corresponding to the seeding cylinder 18. The seeding cylinder 18 is arranged on the seeding support frame 2 through a cylinder support 20, a seeding stop sheet 21 is arranged on the power output end of the seeding cylinder 18, and the seeding stop sheet 21 can be arranged in a seeding stop groove in an inner-outer sliding mode. The seeding cylinder 18 is communicated with the air supply device through a seeding electric control air valve 35 and a pipeline. When the power end of the seeding cylinder 18 extends, the seeding stopping sheet 21 extends into the seeding stopping groove, the seeding pipe 161 is stopped, and the seeds cannot move downwards; when the power end of the seeding cylinder 18 is reset, the seeding stop sheet 21 is pulled out from the seeding stop groove, the seeding pipe 161 is communicated up and down, and seeds smoothly move downwards to enter the seeding branch pipe 162; thus, the seeds can be sown regularly according to the position of the seedling tray 1. The sowing detection photoelectric switch 30 is installed at the lower outer side of the sowing pipe 161 and is used for detecting whether the seedling raising cavity 10 on the seedling raising tray 1 moves to the lower part of the sowing branch pipe 162 or not, so that the control system can control the sowing cylinder 18 to work.
The spraying mechanism is used for spraying nutrient solution to the sowed seedling tray 1 and comprises a spraying bracket 22, a spraying pipe 23, a shower head 24, a spraying detection photoelectric switch 31 (such as a diffuse reflection type photoelectric switch), a spraying pump 25 and a liquid storage cavity 26. Spray support 22 fixed mounting in on the seeding support frame 2, gondola water faucet 24 is equipped with a plurality ofly, evenly installs the lower extreme that sprays support 22 at the seeding. The liquid outlet end of the spraying pump 25 is communicated with the shower head 24 through the spraying pipe 23, and the liquid inlet end of the spraying pump is communicated with the liquid storage cavity 26 through a pipeline. The spraying detection photoelectric switch 31 is installed at the rear side of the spraying bracket 22 and used for detecting whether the seedling raising cavity 10 on the seedling raising tray 1 after seeding moves to the lower side of the spraying bracket 22 or not, so that the control system can control the spraying pump 25 to work.
The control system comprises a control box 27, a controller 28 (an ohm dragon PLC) and a control board 29, wherein the controller 28 and the control board 29 are installed on the control box 27, a plurality of corresponding control keys are arranged on the control board 29, and the control box 27 is installed at the rear end of the drive bottom box 3. The signal input end of the controller 28 is electrically connected with the control board 29, the seeding detection photoelectric switch 30 and the spraying detection photoelectric switch 31 respectively, and the signal output end of the controller 28 is electrically connected with the driving motor 32, the reset electric control switch 33, the seed setting motor 34, the seeding electric control air valve 35 and the spraying pump 25 respectively.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and various modifications and variations can be made by those skilled in the art without inventive efforts based on the technical solution of the present invention.
Claims (6)
1. An intelligent experimental seedling-raising and seeding device is characterized by comprising a seedling-raising tray, a sequential seeding moving mechanism, a seeding support frame and a seeding driving mechanism;
the sequential sowing moving mechanism realizes the back-and-forth movement of the seedling tray, and the seedling tray is arranged on the power output end of the sequential sowing moving mechanism; a seedling raising cavity is arranged on the seedling raising tray; the seeding support frame is arranged on one side of the sequential seeding moving mechanism, and the seeding driving mechanism is arranged on the seeding support frame and is positioned above the sequential seeding moving mechanism; the seeding driving mechanism comprises a seeding cavity and a seeding cylinder, the lower end of the seeding cavity is provided with a communicated seeding pipe, the lower end of the seeding pipe is provided with a plurality of seeding branch pipes, and the lower ends of the seeding branch pipes are arranged corresponding to the seedling culture cavity on the seedling culture tray; the seeding pipe is provided with a seeding stop groove, the power output end of the seeding cylinder is provided with a seeding stop sheet, and the seeding stop sheet can be arranged in the seeding stop groove in an internal-external sliding manner;
a sowing detection photoelectric switch is arranged on the outer side of the sowing cavity;
the sequential sowing moving mechanism comprises a driving motor, a driving bottom box, a driving screw rod, a driving nut and a driving support plate, wherein the driving motor is arranged at the rear end of the driving bottom box; the driving screw is arranged along the longitudinal extension direction of the driving bottom box, and the rotary power input end of the driving screw is fixedly connected with the rotary power output end of the driving motor; the driving nut is in threaded connection with the driving screw in a matching manner; the upper end of the driving bottom box is provided with a driving sliding groove, the lower end of the driving support plate is provided with a driving guide rail, and the driving guide rail is slidably arranged in the driving sliding groove; the driving nut is fixedly connected with the driving carrier plate; the seedling raising tray is arranged on the driving support plate;
the upper end of the driving support plate is provided with a bearing driving groove, and the seedling tray is arranged in the bearing driving groove;
the width of the seedling raising tray is smaller than that of the bearing driving groove; a clamping driving cavity is arranged in the rear end part of the driving support plate and is communicated with the rear end of the bearing driving groove through a clamping driving hole;
the tray clamping driving mechanism comprises a clamping plate, a clamping driving spring, a clamping driving rod and a reset soft magnet; the clamping driving rod is arranged in the clamping driving hole in a sliding mode, the clamping plate is positioned in the bearing driving groove, and the outer end of the clamping driving rod is fixedly connected with the clamping plate; the clamping driving spring is arranged between the clamping plate and the bearing driving groove; the reset soft magnet is fixedly arranged at the rear end in the clamping driving cavity, the reset soft magnet is arranged corresponding to the rear end of the clamping driving rod, an excitation coil is wound outside the reset soft magnet, and the excitation coil is connected with a power supply through a reset electric control switch.
2. The intelligent experimental seedling and seeding device as claimed in claim 1, wherein the seeding driving mechanism comprises a thumb wheel which is rotatably mounted in the seeding cavity through a rotating shaft.
3. The intelligent experimental seedling and seeding device as claimed in claim 1, wherein the upper end of the seeding branch pipe is obliquely communicated with the seeding pipe.
4. The intelligent experimental seedling raising and seeding device according to claim 1, wherein a spraying mechanism is arranged on the seeding support frame and is positioned behind the seeding driving mechanism; spraying mechanism stores up the chamber including spraying support, spray tube, gondola water faucet, spray pump and liquid, and the gondola water faucet is installed at the seeding lower extreme that sprays the support, and the play liquid end of spray pump passes through spray tube and gondola water faucet intercommunication, and the feed liquor end of hydrojet pump stores up the chamber intercommunication through pipeline and liquid.
5. An intelligent experimental seedling and seeding device as claimed in claim 4, wherein the rear side of the spraying bracket is provided with a spraying detection photoelectric switch.
6. The intelligent experimental seedling and seeding device according to claim 1, wherein the seedling cavity is provided with a plant fiber substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810742801.3A CN109005791B (en) | 2018-07-09 | 2018-07-09 | Intelligent experimental seedling-raising and seeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810742801.3A CN109005791B (en) | 2018-07-09 | 2018-07-09 | Intelligent experimental seedling-raising and seeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109005791A CN109005791A (en) | 2018-12-18 |
| CN109005791B true CN109005791B (en) | 2020-08-11 |
Family
ID=64641501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810742801.3A Active CN109005791B (en) | 2018-07-09 | 2018-07-09 | Intelligent experimental seedling-raising and seeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109005791B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110800509A (en) * | 2019-12-03 | 2020-02-18 | 芜湖市玉农生态农业有限公司 | Green high-efficient rice seedling device of raising rice seedlings |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012122156A2 (en) * | 2011-03-07 | 2012-09-13 | Pioneer Hi-Bred International, Inc. | Method, system and apparatus for removing a sample portion of a seed |
| CN203840732U (en) * | 2014-04-16 | 2014-09-24 | 西安圣华农业科技股份有限公司 | Automatic bunch planting device for seedling dish |
| CN107810461B (en) * | 2015-06-29 | 2021-05-11 | 国家产品股份有限公司 | Butting sleeve containing electric adapter |
| CN205040209U (en) * | 2015-09-15 | 2016-02-24 | 浙江视野环境艺术装饰工程有限公司 | Auxiliary system grows seedlings in intelligent gardens |
| CN106212092B (en) * | 2016-07-26 | 2019-07-05 | 北京工业大学 | A kind of hole tray device for positioning and securing |
| CN206118705U (en) * | 2016-10-19 | 2017-04-26 | 深圳市四季青园林股份有限公司 | Seedling bed frame |
| CN106471960B (en) * | 2016-10-20 | 2018-08-28 | 孙庆海 | A kind of novel intelligent seed planter |
-
2018
- 2018-07-09 CN CN201810742801.3A patent/CN109005791B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109005791A (en) | 2018-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204721834U (en) | Novel precision seeder machine | |
| WO2021134817A1 (en) | Air suction vibration disc type precision seedling raising and seeding assembly line device and control method therefor | |
| CN102550174B (en) | Tray seeder with self-cleaning suction nozzles | |
| CN109005791B (en) | Intelligent experimental seedling-raising and seeding device | |
| CN109006063B (en) | Multilayer intelligent biological seedling system | |
| CN208691717U (en) | Pneumatic fertilizer injection unit | |
| CN203814159U (en) | Rice seedling raising seeder | |
| CN109924118A (en) | A kind of movable type water fog cultivating fertilization system and fertilizing method | |
| CN2899413Y (en) | Full-automatic seedling raising seeder | |
| CN201294737Y (en) | Seed-planting machine | |
| CN116671354A (en) | Canna plant culture apparatus | |
| CN111201923A (en) | Three-dimensional intelligent seedling machine | |
| CN203775643U (en) | Breeding disc seeding machine | |
| CN108184646A (en) | A kind of agricultural water planting vegetable cultivation soilless culture system | |
| CN209964609U (en) | Negative pressure type full-automatic seeder | |
| CN103947341B (en) | Rice raise rice seedlings sower | |
| CN105359669A (en) | Primary germinator | |
| CN218388967U (en) | Spinach seed breeding box | |
| CN113994882B (en) | Intelligent nutrient solution conveying system for vegetable planting | |
| CN219248699U (en) | Wheat germination incubator | |
| CN2896835Y (en) | Longitudinal seedling disk feeder of super rice planter | |
| CN218736223U (en) | Accurate seeding sprout cultivation device of rice | |
| CN213719246U (en) | Soilless culture intelligent device is used in teaching | |
| CN101379906A (en) | Seeder | |
| CN211353260U (en) | Rice seeding and seedling raising device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200327 Address after: Ganquan road Shushan District of Hefei City, Anhui Province, 230000 West hillock road to the South Wild Garden commercial office building room B-1512 Applicant after: ANHUI YINGLONG INDUSTRIAL DESIGN Co.,Ltd. Address before: 274000 Duanhai District, Beicheng Office, Mudan District, Heze City, Shandong Province Applicant before: Cao Limei |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200717 Address after: 231300 Hepeng Village, Hepeng Town, Shucheng County, Luan City, Anhui Province Applicant after: ANHUI DECHANG NURSERY STOCK Co.,Ltd. Address before: Ganquan road Shushan District of Hefei City, Anhui Province, 230000 West hillock road to the South Wild Garden commercial office building room B-1512 Applicant before: ANHUI YINGLONG INDUSTRIAL DESIGN Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |