CN108200785A - A kind of automation broadcast leakage of corn drill detects and reseeds device - Google Patents
A kind of automation broadcast leakage of corn drill detects and reseeds device Download PDFInfo
- Publication number
- CN108200785A CN108200785A CN201711476268.2A CN201711476268A CN108200785A CN 108200785 A CN108200785 A CN 108200785A CN 201711476268 A CN201711476268 A CN 201711476268A CN 108200785 A CN108200785 A CN 108200785A
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- CN
- China
- Prior art keywords
- seeding device
- seeder
- plants case
- hole
- seeding
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/04—Single-grain seeders with or without suction devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
Abstract
A kind of automation broadcast leakage of corn drill detects and reseeds device, including controller, seeder and re-seeding device, is set before and after seeder and re-seeding device on the direction of travel of seeder；Seeder includes seeder rack, the seeder plants case being fixed in seeder rack and the seeder discharging tube connected with seeder plants case, is provided in seeder discharging tube for detecting whether the optoelectronic switch of broadcast leakage occurs；Re-seeding device includes re-seeding device rack, the re-seeding device plants case being fixed in re-seeding device rack, re-seeding device discharging tube, dispenser and the switching device being arranged below re-seeding device plants case；Controller is electrically connected with optoelectronic switch and stepper motor.The present invention provides a kind of automation broadcast leakage detection of corn drill and reseeds device, reseeds precision height, will not generate destruction to seed, and meets different sowings and reseed demand under.
Description
Technical field
The present invention relates to agricultural mechanical field, the automation broadcast leakage of specifically a kind of corn drill is detected and is reseeded
Device.
Background technology
China is a large agricultural country, and the mechanization of agriculture cause in China has developed to intermediate stage.Traditional manpower is broadcast
It kind is replaced already by a large amount of mechanization, at the beginning of beginning, the seeder of agricultural operation furrowing type carries out operation, but due to
Seed is wasted, cost is high, and the later stage will also carry out filling the gaps with seedlings to change the spacing between seedling except seedling, so as to cause the wave of human and material resources
Take.Due to these shortcomings, seeder now is by cave socket seeder instead of the seeder of furrowing type, so as to ensure that strain
Away from, human and material resources are saved, but whether be that furrowing type or cave socket all inevitably occur blocking broadcast leakage phenomenon, and
And the technology of precision drilling continues to develop, it has also become the main feature of modern seeding technique.
For big seed crop, precision drilling is the direction of future development.Precision drilling tool saves kind, high yield, economy
Etc. a variety of advantages, but due to metering system design and the limitation of use condition, inevitably there is broadcast leakage in seeding operation and show
As.Existing all kinds of big seed crop precision seeding machines, average leakage sowing rate is 11.74% or so, by taking corn as an example, by 500 plants/
The edge effect that 667m2 kinds are planted around every plant of 250g broadcast leakages hole is calculated by 2%, then corn broadcast leakage loss is up to 117.4Kg/
If manually reseeding in broadcast leakage position after hm2. emerging or manually transplanting, eventually because growth differences are unable to normal growth, broadcast leakage need to be used
Reseeding device, the automatic of high quality is reseeded at seeding time.
Existing device of reseeding mostly is by the way of mechanical seeding, to use to many hard structure parts, cause
It is easy to destroy the nutriment of seed and artificial addition the surface of the seed during reseeding, influences the bud ratio of seed.It is existing
Broadcast leakage detection and reseed device and mostly combine, that is, occur to carry out after-culture by seeder at once during broadcast leakage,
In the case that seeder breaks down, still it is easy to appear the problems such as broadcast leakage and multicast.And because seeder is to continue row
Into, such mode of reseeding can lead between the position of the position and broadcast leakage reseeded that there are certain distances, cause to reseed precision
Decline.
Invention content
In order to solve deficiency of the prior art, the present invention provides a kind of automation broadcast leakage detection of corn drill and mends
Kind device reseeds precision height, will not generate destruction to seed, and meets different sowings and reseed demand under.
To achieve these goals, the concrete scheme that uses of the present invention for：A kind of automation broadcast leakage inspection of corn drill
Device is surveyed and reseeds, including controller, seeder and re-seeding device, seeder and re-seeding device on the direction of travel of the seeder
Front and rear setting；The seeder include seeder rack, the seeder plants case that is fixed in seeder rack and with sowing
The seeder discharging tube of device plants case connection, is provided with for detecting whether the optoelectronic switch of broadcast leakage occurs in seeder discharging tube；
The re-seeding device includes re-seeding device rack, the re-seeding device plants case being fixed in re-seeding device rack and is arranged on re-seeding device plants case
The re-seeding device discharging tube of lower section, the bottom of re-seeding device plants case offer the second through-hole, are provided with to plant in re-seeding device plants case
The dispenser that son is discharged from the second through-hole is additionally provided with switching device between re-seeding device plants case and re-seeding device discharging tube, switch
Device is used to that re-seeding device discharging tube to be made to be switched on or off with re-seeding device plants case；The dispenser includes being rotatably arranged on described
The brush of re-seeding device plants case bottom, several first through hole being distributed uniformly and circumferentially are offered in brush, and brush is turning
Several first through hole alternately be connecteds with second through-hole and the seed in re-seeding device plants case are made to pass through first lead to during dynamic
Hole and the second through-hole are discharged from re-seeding device plants case；The switching device includes stepper motor and rotation gear driven by stepper motors
Piece rotates and several lower seed holes being distributed uniformly and circumferentially is offered on catch, stepper motor driving rotation catch rotation
Lower seed hole is made periodically to open the re-seeding device discharging tube, and then re-seeding device discharging tube is made to be led with the re-seeding device plants case
It is logical；The controller is electrically connected with the optoelectronic switch and the stepper motor.
Blender is additionally provided in the re-seeding device plants case, blender includes a vertical rod and four are fixed with vertical rod
The horizon bar of connection, and four horizon bars are uniformly distributed along the circumferencial direction of vertical rod, vertical rod sequentially passes through downwards the brush
The bottom of disk and re-seeding device plants case, wherein brush are fixedly connected with vertical rod, and the lower end of vertical rod is further fixedly arranged on umbrella shape tooth
Take turns b.
Also rotation is provided with transmission shaft in the re-seeding device rack, and fixing sleeve is equipped with re-seeding device band moving teeth on the transmission shaft
Wheel and bevel gear a, re-seeding device with moving gear by driving chain by the seeder drive shaft drive, bevel gear a with
The bevel gear b is meshed.
A brush kind slot is further opened on the bottom of the re-seeding device plants case, brush kind slot is connected with second through-hole, brushed
Kind slot is more than the lower end for brushing kind of slot for the upper end of tipper and brush kind slot.
The height of the brush kind slot is equal with the height of second through-hole.
There are six the first through hole and the lower seed hole open up.
The re-seeding device rack is detachably connected and with the seeder rack apart from adjustable.
Advantageous effect：
1st, the present invention using the re-seeding device for being equipped with hairbrush avoids that seed is caused to damage, so as to reduce by seed damage institute band
The underproduction problem come；
2nd, the present invention brushes kind of a slot by setting, and can blow seed extra in storage space off, and the storage of device is reseeded in guarantee
Deposit in the space of seed it is seed-bearing simultaneously, also improve the success rate that single grain essence amount is reseeded；
3rd, the present invention also by mend, broadcast the Dual system operation of separation realize growth spacing in the rows rationalize, be suitable for it is a variety of sowing away from
From the accurate after-culture under requiring.
Description of the drawings
Fig. 1 is the overall structure front view of the present invention；
Fig. 2 is the seeder of the present invention and the structure diagram of re-seeding device；
Fig. 3 is the bottom view of Fig. 2；
Fig. 4 is the sectional view of the re-seeding device plants case of the present invention；
Fig. 5 is the overall structure stereogram of the present invention；
Fig. 6 is the work flow diagram of the present invention.
Reference numeral：1st, re-seeding device plants case, 2, controller, 3, feed mechanism for seed, 4, seeder rack, 5, plough, 6, sowing
Device discharging tube, 7, optoelectronic switch, 8, re-seeding device rack, 9, re-seeding device band moving gear, 10, bearing block, 11, land wheel link gear,
12nd, seeder band moving gear, 13, re-seeding device discharging tube, 14, rotation catch, 15, brush, 16, blender, 17, bevel gear b,
18th, bevel gear a, 19, stepper motor, 20, first through hole, the 21, second through-hole, 22, a brush kind slot, 23, seeder plants case, 24,
Lower seed hole, 25, transmission shaft.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
It is overall structure front view of the invention to please refer to Fig.1 to 6, Fig. 1, and Fig. 2 is the seeder and re-seeding device of the present invention
Structure diagram, Fig. 3 is the bottom view of Fig. 2, and Fig. 4 is the sectional view of the re-seeding device plants case of the present invention, and Fig. 5 is the whole of the present invention
Body structural perspective, Fig. 6 are the work flow diagrams of the present invention.
A kind of automation broadcast leakage detection of corn drill and reseed device, including controller 2, seeder and re-seeding device,
It is set before and after seeder and re-seeding device on the direction of travel of seeder, and the distance between seeder and re-seeding device can be adjusted
Section.Seeder further includes plough 5, and on the direction of travel of seeder, plough 5 is located at the front of seeder.
Seeder includes seeder rack 4, the seeder plants case 23 being fixed in seeder rack 4 and and seeder
The seeder discharging tube 6 that plants case 23 connects is provided with for detecting whether the optoelectronic switch of broadcast leakage occurs in seeder discharging tube 6
7.It is connected between seeder plants case 23 and seeder discharging tube 6 by a feed mechanism for seed 3, the existing machine of 3 selected as of feed mechanism for seed
Tool formula feed mechanism for seed, feed mechanism for seed 3 include a shaft, are fixedly installed blade in the middle part of shaft, one end fixing sleeve of shaft is equipped with
Land wheel links gear 11 and seeder band moving gear 12, wherein land wheel link drive shaft phase of the gear 11 by chain and seeder
Connection, drive shaft is seeder is driving seeder when hitching machineries are connected with tractor by being used for of driving of hitching machinery
The structure of traveling is the prior art, and details are not described herein.In the traveling process of seeder, drive shaft is by chain-driving
Wheel link gear rotation, and then shaft and blade rotation are driven, so as to which constantly the seed in seeder plants case 23 is drained into
In seeder discharging tube 6, subsequent seed is moved down along seeder discharging tube 6 to be dropped into the furrow that plough 5 is outputed, and is carried out
Sowing.Seed can be detected constantly, so optoelectronic switch 7 is able to detect that sowing during whereabouts by optoelectronic switch 7
Whether device occurs broadcast leakage.
Re-seeding device includes re-seeding device rack 8, the re-seeding device plants case 1 being fixed in re-seeding device rack 8 and is arranged on benefit
The re-seeding device discharging tube 13 of 1 lower section of kind device plants case, re-seeding device rack 8 are detachably connected with seeder rack 4 and apart from adjustable, tools
The connection mode of body is that re-seeding device rack 8 is movably disposed in seeder rack 4, so as to fulfill seeder and re-seeding device it
Between distance be adjusted, after distance determines, seeder rack 4 is fixedly connected with re-seeding device rack 8 by bolt.It mends
The bottom of kind device plants case 1 offers the second through-hole 21, is provided with to discharge seed from the second through-hole 21 in re-seeding device plants case 1
Dispenser, be additionally provided with switching device between re-seeding device plants case 1 and re-seeding device discharging tube 13, switching device is for making to reseed
Device discharging tube 13 is switched on or off with re-seeding device plants case 1.
Dispenser includes being rotatably arranged on the brush 15 of 1 bottom of re-seeding device plants case, several edges are offered in brush 15
The equally distributed first through hole 20 of circumferencial direction, brush 15 in rotation process six first through hole 20 alternately with the second through-hole
21 conductings make the seed in re-seeding device plants case 1 pass through 20 and second through-hole 21 of first through hole to discharge from re-seeding device plants case 1.
Switching device includes stepper motor 19 and the rotation catch 14 driven by stepper motor 19, rotates and is opened up on catch 14
There are six the lower seed hole 24 being distributed uniformly and circumferentially, the driving rotation rotation of catch 14 of stepper motor 19 makes 24 period of lower seed hole
Re-seeding device discharging tube 13 is opened, and then re-seeding device discharging tube 13 is made to be connected with re-seeding device plants case 1 to property.
Blender 16 is additionally provided in re-seeding device plants case 1, blender 16 includes a vertical rod and four are consolidated with vertical rod
Surely the horizon bar connected, and four horizon bars are uniformly distributed along the circumferencial direction of vertical rod, vertical rod sequentially passes through downwards brush
15 and the bottom of re-seeding device plants case 1, wherein brush 15 be fixedly connected with vertical rod, the lower end of vertical rod is further fixedly arranged on umbrella shape
Gear b17.Also rotation is provided with transmission shaft 25 in re-seeding device rack 8, and fixing sleeve is equipped with re-seeding device band moving gear 9 on transmission shaft 25
It is meshed with bevel gear a18, bevel gear a18 with bevel gear b17, re-seeding device band moving gear 9 is by driving chain with broadcasting
Kind device band moving gear 12 is connected.
A brush kind slot 22 is further opened on the bottom of re-seeding device plants case 1, brush kind slot 22 is connected with the second through-hole 21, brush kind
Slot 22 is more than the lower end of brush kind slot 22, the height of brush kind slot 22 and the height of the second through-hole 21 for the upper end of tipper and brush kind slot 22
It spends equal.
Controller 2 is electrically connected with optoelectronic switch 7 and stepper motor 19.
At work, seeder is driven to advance by the hitching machinery of tractor etc first, is driven in seeder traveling process
Moving axis links gear 11 by chain-driving land wheel and rotates, and then shaft, blade and seeder band moving gear 12 is driven to rotate, so
Seeder band moving gear 12 drives re-seeding device band moving gear 9, transmission shaft 25 and bevel gear a18 to rotate by driving chain afterwards,
And then the rotation of the vertical rod of bevel gear b17 and blender 16 is driven, vertical rod drives horizon bar and brush in rotation process
15 rotations, so as to which drive blender 16 be made to be stirred the seed in re-seeding device plants case 1.Seed is logical from first in whipping process
Hole 20 is dropped into the second through-hole 21, and the lower seed hole 24 rotated at this time on catch is staggered with the second through-hole 21, so as to make second to lead to
Hole 21 forms a storage space, and seed is stored temporarily in storage space.It is not tight when in view of seeds fall
Ground for lattice is dropped into the second through-hole 21, may be there is a situation where two seeds while be fallen, in this way may
Block the second through-hole 21, it is also possible to which there is a situation where cave hole falls into two seeds when reseeding.Therefore setting brush kind
Slot 22, when falling simultaneously there is a situation where two seeds, wherein a seed is fallen directly into the inside of the second through-hole 21, separately
An outer seed is dropped into brush kind slot 22, under the lasting rotation of brush 15, the seed brushed in kind of slot 22 is swept up to come, so as to
It avoids the problem that blocking or reseeding excess.And existing seed is coated with drug and nutrient solution mostly, using brush
15 carry out brush kind, can avoid that seed is caused to damage, so as to avoid because of the underproduction problem that seed lesion ribbon is come.
The seed fallen from feed mechanism for seed 3 is detected when passing through seeder discharging tube 6 by optoelectronic switch 7, is filled in traction
When the movement speed put is stablized, the speed of sowing should be stable, therefore optoelectronic switch 7 can be continuously detected seed
Decline process, in case of broadcast leakage, then optoelectronic switch 7 can not detect seed, generate a signal at this time and be transferred to control
Box 2 controls stepper motor 19 that rotation catch 14 is driven to rotate, lower seed hole 24 is made to be connected with the second through-hole 21 by control box 2, so as to
The seed being located at originally in the second through-hole 21 is fallen, and is dropped downward into soil along re-seeding device discharging tube 13 and completes to reseed.
The present invention by mend, broadcast the Dual system operation of separation realize growth spacing in the rows rationalize, be suitable for it is a variety of sowing away from
From the accurate after-culture under requiring.It using the re-seeding device for being equipped with hairbrush avoids that seed is caused to damage, so as to reduce due to seed
Underproduction problem caused by damage.Kind of a space is filled out using the design and above porous of rotating brushes, it can be by storage space
Interior extra seed is blown off, ensure reseed device storage seed space in it is seed-bearing simultaneously, also improve single grain
The success rate that essence amount is reseeded.
In other embodiments of the invention, the triggering mode reseeded could be provided as often having a seed from feed mechanism for seed
3 when falling, and optoelectronic switch 7 all sends a signal to control box 2, when control box 2 does not receive optoelectronic switch 7 in certain time
Signal, then explanation broadcast leakage has occurred, at this time control box 2 control stepper motor 9 rotate, reseeded.
In other embodiments of the invention, the nervous journey of driving chain can be adjusted by increasing tensioning apparatus
Degree so as to adjust seeder with the gearratio of moving gear 12 and re-seeding device with moving gear 9, and then adjusts the rotating speed of brush 15.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
Also there are other identical elements in process, method, article or equipment including the element.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (7)
1. a kind of automation broadcast leakage of corn drill detects and reseeds device, it is characterised in that：Including controller（2）, sowing
Device and re-seeding device are set on the direction of travel of the seeder before and after seeder and re-seeding device；
The seeder includes seeder rack（4）, be fixed at seeder rack（4）On seeder plants case（23）With with
Seeder plants case（23）The seeder discharging tube of connection（6）, seeder discharging tube（6）It is inside provided with for detecting whether leaking
The optoelectronic switch broadcast（7）；
The re-seeding device includes re-seeding device rack（8）, be fixed at re-seeding device rack（8）On re-seeding device plants case（1）With set
It puts in re-seeding device plants case（1）The re-seeding device discharging tube of lower section（13）, re-seeding device plants case（1）Bottom offer the second through-hole
（21）, re-seeding device plants case（1）Inside be provided with for by seed from the second through-hole（21）The dispenser of discharge, re-seeding device plants case
（1）With re-seeding device discharging tube（13）Between be additionally provided with switching device, switching device is for making re-seeding device discharging tube（13）With benefit
Kind device plants case（1）It is switched on or off；
The dispenser includes being rotatably arranged on the re-seeding device plants case（1）The brush of bottom（15）, brush（15）On open up
There is the first through hole that several are distributed uniformly and circumferentially（20）, brush（15）Several first through hole in rotation process
（20）Alternately with second through-hole（21）Conducting makes re-seeding device plants case（1）Interior seed passes through first through hole（20）With second
Through-hole（21）From re-seeding device plants case（1）Discharge；
The switching device includes stepper motor（19）With by stepper motor（19）The rotation catch of driving（14）, rotate catch
（14）On offer several lower seed holes being distributed uniformly and circumferentially（24）, stepper motor（19）Driving rotation catch（14）
Rotation makes lower seed hole（24）Periodically by the re-seeding device discharging tube（13）It opens, and then makes re-seeding device discharging tube（13）With institute
State re-seeding device plants case（1）Conducting；
The controller（2）With the optoelectronic switch（7）With the stepper motor（19）It is electrically connected.
2. a kind of automation broadcast leakage of corn drill as described in claim 1 detects and reseeds device, it is characterised in that：Institute
State re-seeding device plants case（1）Inside it is additionally provided with blender（16）, blender（16）Consolidate including a vertical rod and four with vertical rod
Surely the horizon bar connected, and four horizon bars are uniformly distributed along the circumferencial direction of vertical rod, vertical rod sequentially passes through downwards described
Brush（15）With re-seeding device plants case（1）Bottom, wherein brush（15）It is fixedly connected with vertical rod, the lower end of vertical rod is also fixed
It is provided with bevel gear b（17）.
3. a kind of automation broadcast leakage of corn drill as claimed in claim 2 detects and reseeds device, it is characterised in that：Institute
State re-seeding device rack（8）On also rotation be provided with transmission shaft（25）, the transmission shaft（25）Upper fixing sleeve drives equipped with re-seeding device
Gear（9）With bevel gear a（18）, re-seeding device band moving gear（9）It is driven by driving chain by the drive shaft of the seeder,
Bevel gear a（18）With the bevel gear b（17）It is meshed.
4. a kind of automation broadcast leakage of corn drill as described in claim 1 detects and reseeds device, it is characterised in that：Institute
State re-seeding device plants case（1）Bottom on be further opened with brush kind of a slot（22）, brush kind slot（22）With second through-hole（21）Even
It is logical, brush kind slot（22）For tipper and brush kind slot（22）Upper end be more than brush kind of a slot（22）Lower end.
5. a kind of automation broadcast leakage of corn drill as claimed in claim 4 detects and reseeds device, it is characterised in that：Institute
State brush kind slot（22）Height and second through-hole（21）Height it is equal.
6. a kind of automation broadcast leakage of corn drill as described in claim 1 detects and reseeds device, it is characterised in that：Institute
State first through hole（20）With the lower seed hole（24）There are six opening up.
7. a kind of automation broadcast leakage of corn drill as described in claim 1 detects and reseeds device, it is characterised in that：Institute
State re-seeding device rack（8）With the seeder rack（4）It is detachably connected and apart from adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476268.2A CN108200785B (en) | 2017-12-29 | 2017-12-29 | Automatic missed seeding detection and reseeding device of corn planter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476268.2A CN108200785B (en) | 2017-12-29 | 2017-12-29 | Automatic missed seeding detection and reseeding device of corn planter |
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| CN108200785A true CN108200785A (en) | 2018-06-26 |
| CN108200785B CN108200785B (en) | 2023-06-09 |
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| CN201711476268.2A Active CN108200785B (en) | 2017-12-29 | 2017-12-29 | Automatic missed seeding detection and reseeding device of corn planter |
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Cited By (4)
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| CN109041828A (en) * | 2018-10-15 | 2018-12-21 | 上海海事大学 | A kind of agricultural production multi-purpose machinery device |
| CN113016284A (en) * | 2021-03-02 | 2021-06-25 | 宁夏农林科学院固原分院 | Lily fixed-point planting equipment |
| CN114128458A (en) * | 2021-12-15 | 2022-03-04 | 内蒙古自治区农牧业科学院 | Hand-push type cotton test plot seeder |
| CN116671317A (en) * | 2023-08-03 | 2023-09-01 | 长春理工大学 | Quick reseeding device and method for finger-clamping type seed sowing device |
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| CN113016284A (en) * | 2021-03-02 | 2021-06-25 | 宁夏农林科学院固原分院 | Lily fixed-point planting equipment |
| CN114128458A (en) * | 2021-12-15 | 2022-03-04 | 内蒙古自治区农牧业科学院 | Hand-push type cotton test plot seeder |
| CN116671317A (en) * | 2023-08-03 | 2023-09-01 | 长春理工大学 | Quick reseeding device and method for finger-clamping type seed sowing device |
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