CN209420313U - A kind of multi-functional tuber planter - Google Patents
A kind of multi-functional tuber planter Download PDFInfo
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- CN209420313U CN209420313U CN201821950211.1U CN201821950211U CN209420313U CN 209420313 U CN209420313 U CN 209420313U CN 201821950211 U CN201821950211 U CN 201821950211U CN 209420313 U CN209420313 U CN 209420313U
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- Prior art keywords
- hole
- seed
- reseeding
- case
- crawler belt
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Abstract
The utility model discloses a kind of multi-functional tuber planters, are related to root crop seed planting technology field, transmit crawler belt, and seed discharge bucket is set in the rack, for root crop seed to be discharged to one by one in described kind of hole；Case is reseeded, is set in the rack, for placing after-culture root crop seed, a side wall for reseeding case is equipped with reseed mouth, and the reseed mouth is higher than the interior bottom for reseeding case；And reseed component；When the detection plate is by rotation in the hole of export-oriented kind of described kind of hole, under the drive of the driver plate, the orbital planes of the track plates is by being higher than the reseed mouth to intersecting at the interior bottom for reseeding case.The utility model has the beneficial effects that greatly reducing the efficiency of leakage kind, improves the utilization rate in soil, reduces planting cost, to increase the planting income in soil.It can timely find to lack kind of point, and at any time in supplement.
Description
Technical field
The utility model relates to root crop seed planting technology field, especially a kind of multi-functional tuber planter.
Background technique
Root crop plays a significant role in world's grain-production and people's life.If potato is as current four big grains
One of food crop, containing multivitamin and inorganic salts, protein nutritive value is high, can be used as vegetables production delicacies, can also make
For staple food grain.The feed mechanism for seed type of existing root seed drill is more, and generally existing leakage kind phenomenon when Mechanization sowing, is short of seedling tight
Weight, reduces the utilization rate in soil, increases planting cost.
For root crop broadcast leakage detection, reseed the problems such as difficulty, it is main at present to reduce and leak using manually mode is reseeded
Rate is broadcast, but not only large labor intensity, production efficiency are low for this mode, but also can be because taking kind of spoon movement velocity fast, Bu Nengji
When be found, cause unit yield low, commercial requirements are not achieved in product quality, seriously affected the yield of root crop,
Seriously constrain the development of its industry.There are some defects for seeder, so reseeder is needed to be improved efficiency.
Utility model content
The purpose of this utility model is the accuracy in order to improve root crop (potato, Chinese yam etc.) sowing, improves and mends
The efficiency of kind, devises a kind of multi-functional tuber planter.
It realizes that above-mentioned purpose the technical solution of the utility model is a kind of multi-functional tuber planter, including rack, also wraps
Include: transmission crawler belt is set in the rack, for root crop seed to be transported in sowing structure, the transmission crawler belt
Outside be equipped with the kind hole that a circle places single root crop seed；Seed discharge bucket is set in the rack, for making root tuber
Species is discharged to one by one in described kind of hole；Case is reseeded, is set in the rack, for placing after-culture root crop seed,
A side wall for reseeding case is equipped with reseed mouth, and the reseed mouth is higher than the interior bottom for reseeding case；Component is reseeded, is set to described
In rack, the component of reseeding includes detection bar, driver plate and track plates, and the detection bar is rotatably provided in the rack,
One end connecting detection plate of the detection bar, the detection plate are located at the top of described kind of hole motion profile, the detection plate
Front end bottom surface is upward arcuate structure；The track plates, which are rotatably provided in, described to be reseeded in case and opposite with reseed mouth sets
It sets, the track plates are fixedly connected with a connecting rod；The driver plate is rotatably provided in the rack, the both ends of the driver plate
It is respectively equipped with the first arc groove and the second arc groove, the other end of the detection bar is slidably arranged in first arc groove,
The other end of the connecting rod is slidably arranged in second arc groove；And collection device, it is set in the rack, institute
It states collection device to include shovel board and collect crawler belt, the shovel board is arranged in the top of described kind of hole motion profile and is located at the inspection
The front of drafting board, for root crop seed collection more than one in hole will to be planted to the collection crawler belt；The collection is carried out
The output end of band is connected to the case of reseeding；When the detection plate is by rotation in the hole of export-oriented kind of described kind of hole, in the transmission
Under the drive of plate, the orbital planes of the track plates is by intersecting at the interior bottom for reseeding case to being higher than the reseed mouth.Normal
In the case where sowing, efficiency is reseeded in raising；It will test and reseed combination, improve the compactedness of planting machine.
Further, the seed discharge bucket includes: kind of an alms bowl, and described kind of alms bowl is equipped with cavity；Cylinder chamber is set to described kind of alms bowl
In cavity, the cylinder chamber is the hollow cavity in top and bottom end；Chassis is movably set in the cylinder chamber, bottom end
It is fixedly connected with rotating lifting gear, the chassis and cylinder chamber form the kind chamber for placing seed；At least four seeding boards, with institute
On the basis of stating the axis of cylinder chamber, be fixedly installed on described kind of alms bowl the cylinder chamber outer wall, the outer wall of the cylinder chamber, kind
The inner wall of alms bowl and two adjacent seeding boards form the kind chamber of seed column-shaped arrangement；And bottom plate, it is fixedly installed on described kind of alms bowl
Inner wall bottom end, positioned at the lower section on the chassis, the bottom plate is equipped at least one feed outlet to match with described kind of chamber；Its
In, the side wall on the chassis and the inner wall of cylinder chamber are equipped with the raised line and groove worked in coordination.Root crop seed can be one by one
Discharge improves the efficiency of its plantation, and a variety of probability in a hole is reduced from source.
Further, the rotating lifting gear includes rotating electric machine and hydraulic cylinder, and the rotating electric machine is arranged in liquid
Between cylinder pressure and chassis.
Further, the bottom plate is equipped with through-hole, and the rotating lifting gear passes through the through-hole of bottom plate.
Further, the bottom end on the chassis is equipped with empty slot, and the rotating lifting gear setting is empty in bottom plate and chassis
Between slot.
Further, the feed outlet is arranged there are two and about the axisymmetrical of the cylinder chamber.
Further, the bottom end for reseeding case, which is equipped with, reseeds crawler belt, and the output end for reseeding crawler belt is equipped with discharging
Mouthful.
Further, the detection plate is comb-tooth-type structure.
Further, described kind of hole is right angle trigonometry shape.
The beneficial effects of the utility model are: setting kind hole on transmission crawler belt, kind of hole corresponds to a seed, seed into
When entering kind hole, the shovel board of collection device touch less than and will not card type, kind hole bottom can be as sliding when transmission crawler belt rotation sowing
Plate plays buffering, solves the problems, such as that a hole is a variety of, and significantly improve the reliability of process, significantly reduces leakage
The case where planting probability of happening；In seeding process, whether scarce kind of current kind of hole, Neng Gouda are judged by kind of the detection bar of hole top
To accurate detection and will not Caton the case where；Reseed component in the detection process, detection bar judges automatically whether need to reseed, when
When needing to reseed, this reseeds component can realize that small-angle movement drives wide-angle movement automatically, to realize control track plates
It is reseeded, greatly reduces the probability of leakage kind, can timely find to lack kind of point, and improve soil in supplement at any time
Utilization rate reduces planting cost, to increase the planting income in soil.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the application planting machine；
Fig. 2 is the main view of Fig. 1, wherein reseeds case, reseeds component and collection device part plane view；
Fig. 3 is the structural schematic diagram for transmitting crawler belt；
Fig. 4 is the status diagram I for reseeding component；
Fig. 5 is the status diagram II for reseeding component；
Fig. 6 is the structural schematic diagram of the application driver plate；
Fig. 7 is the structural schematic diagram I of seed discharge bucket；
Fig. 8 is the structural schematic diagram II of seed discharge bucket；
Fig. 9 is the overlooking structure diagram of Fig. 7；
Figure 10 is the plane view structural schematic diagram in Fig. 9 at A-A, wherein chassis is located above, and rotating lifting gear runs through bottom
Plate；
Figure 11 is the plane view structural schematic diagram in Fig. 9 at A-A, wherein chassis is located below, and rotating lifting gear runs through bottom
Plate；
Figure 12 is the plane view structural schematic diagram in Fig. 9 at A-A, wherein rotating lifting gear setting bottom plate and chassis it
Between；
Figure 13 is the structural schematic diagram that the application support form root crop seed plants machine；
Figure 14 is the structural schematic diagram that the self-propelled root crop seed of the application plants machine.
In above each figure,
1, rack；2, crawler belt is transmitted；21, kind hole；
3, seed discharge bucket；31, alms bowl is planted；32, cylinder chamber；33, chassis；34, seeding board；35, bottom plate；
4, case is reseeded；41, reseed mouth；42, crawler belt is reseeded；43, discharge port；
5, component is reseeded；51, detection bar；511, detection plate；52, driver plate；521, the first arc groove；522, the second arc
Slot；53, track plates；531, connecting rod；
6, collection device；61, shovel board；62, crawler belt is collected.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, to foundation specific embodiment of the present utility model, structure, feature and its effect, in detail
Carefully it is described as follows:
A kind of multi-functional tuber planter, as shown in figs. 1 to 14, including rack 1, transmission crawler belt 2, seed discharge bucket 3, reseed
Case 4 and reseed component 5.
Referring to figs. 2 and 3, transmission crawler belt 2 is arranged in rack 1, and the transmission crawler belt 2 is for transporting root crop seed
Into sowing structure, specifically, being equipped with the kind hole 21 that a circle places single root crop seed in the outside of transmission crawler belt 2, i.e.,
Kind hole 21 is arranged on the outside of entire transmission crawler belt 2, and kind cheats settable uniform gap between 21.As depicted in figs. 1 and 2,
Seed discharge bucket 3 is arranged in rack 1, which is used to be discharged to root crop seed one by one in kind of hole 21, about seed discharge bucket
3 structure will provide a kind of convenient and fast structure behind this paper and be illustrated.
It is arranged in rack 1 as shown in Figure 1, reseeding case 4, is used to place the root crop seed of after-culture, is reseeding case 4
A side wall be equipped with reseed mouth 41, the mechanism of reseeding of the reseed mouth 41 and root crop seed plant machine is connect, such as root crop
The sliding duct etc. of seed.First emphasis of the application is, as shown in Fig. 2, Fig. 4, Fig. 5 and Fig. 6, reseeds the setting of component 5 and exists
In rack 1, it includes detection bar 51, driver plate 52 and track plates 53 that this, which reseeds component 5, wherein detection bar 51 is rotatably provided in machine
On frame 1, one end connecting detection plate 511 of detection bar 51, detection plate 511 is in kind of a top for 21 motion profiles of hole, figure, kind hole
21 be right angle trigonometry shape, and drafting board 511 and kind hole 21 are used cooperatively, achieve the effect that detect automatically.Detection plate 511 is in kind of hole 21
It is slided on outer, when it moves to the top in kind of hole 21, if having root crop seed in kind hole, due to detection plate 511
Front end bottom surface is upward arcuate structure, then the bottom surface of detection plate 511 can be moved down slightly, and detection plate 511 removes
When the outside in kind of hole 21, then detection plate 511 can move up, in irregular shape due to root crop seed, be designed into
Comb-tooth-type structure can reduce the amplitude of fluctuation of detection plate 511.
Track plates 53, which are rotatably provided in, to be reseeded in case 4 and is oppositely arranged with reseed mouth 41, Fig. 4 and Fig. 5 institute as shown in Figure 1, Figure 2
Show, the left side for reseeding case 4 is arranged in reseed mouth 41, and the right side for reseeding case 4 is arranged in track plates 53, along with reseed mouth 41 is higher than
The interior bottom for reseeding case, when track plates 53 and horizontal reseed mouth 41, from reseeding the root crop seed meeting fallen above case 4
Directly skidded off from reseed mouth 41；When track plates 53 are tilted close to the interior bottom for reseeding case 4, root crop seed then can be slided into directly
It reseeds on the interior bottom of case 4, which plays the role of root crop seed buffering.On this basis, the bottom of case 4 is reseeded
End is equipped with and reseeds crawler belt 42, and the output end for reseeding crawler belt 42 is equipped with discharge port 43, and the root tuber got off is slid from track plates 53 and is made
Species is drawn off by reseeding crawler belt 42 from discharge port 43, avoids being accumulated at track plates 53.
Track plates 53 are fixedly connected with a connecting rod 531；As shown in fig. 6, the both ends of driver plate 52 are respectively equipped with the first arc
Slot 521 and the second arc groove 522, the other end of detection bar 51 are slidably arranged in the first arc groove 521, connecting rod 531 it is another
One end is slidably arranged in the second arc groove 522.
When in use, when detection plate 511 in the hole 21 of export-oriented kind of kind of hole 21 by rotating, detection bar 51 drives driver plate 52
The other end of one end rotation, driver plate 52 drives track plates 53 to rotate, and then the orbital plane of track plates 53 reseeds case 4 by intersecting at
Interior bottom to being higher than reseed mouth 41, i.e. Fig. 4 to process shown in fig. 5.Planting machine is sowed by kind of a hole 21, is lacked kind when detecting
When, then it can be filled by reseed mouth 41, during being somebody's turn to do, need to control the speed of planting machine and transmit the movement of crawler belt 2
Various cooperations such as speed.
On the basis of the above, root crop seed collection device 6 is arranged in the top of rack 1, and collection device 6 includes shovel board 61
With collection crawler belt 62, shovel board 61 is arranged in kind of the top of 21 motion profiles of hole and is located at the front of detection plate 511, the block of the application
Kind hole 21 in root crop seed plant machine is the corresponding seed in a hole, therefore when the root crop seed extra one in kind of hole 21
When a, shovel board 61 is by root crop seed collection extra in kind of hole 21 to collecting on crawler belt 62, and keeping kind to cheat in 21, there are one
A root crop seed.On this basis, the output end for collecting crawler belt 62 is connected to case 4 is reseeded, so that entire planting machine structure
It is compact, reduce unnecessary design.
As shown in Fig. 7 to Figure 12, seed discharge bucket 3 includes kind of an alms bowl 31, cylinder chamber 32, chassis 33, at least four seeding boards, 34 He
Bottom plate 35.Kind alms bowl 31 is equipped with cavity, and cylinder chamber 32 is set in the cavity of kind of alms bowl 31, and cylinder chamber 32 is that top and bottom end are hollow
Cavity.Chassis 33 is movably set in cylinder chamber 32, and the bottom end on chassis 33 is fixedly connected with rotating lifting gear, 33 He of chassis
Cylinder chamber 32 formed place seed kind chamber, root crop seed be placed on this kind it is intracavitary.
About the design of rotating lifting gear, two schemes are given in the application, first, as shown in Figure 10 and Figure 11,
Rotating lifting gear includes rotating electric machine and hydraulic cylinder, and rotating electric machine is arranged between hydraulic cylinder and chassis 33, sets in bottom plate 35
There is through-hole, rotating lifting gear passes through the through-hole of bottom plate 35.Second, as shown in figure 12, the bottom end on chassis 33 is equipped with empty slot, rotation
Lifting device is arranged between 33 empty slot of bottom plate 35 and chassis.Above two scheme, preferably the first scheme, in the program
Kind chamber can hold more root crop seeds.When rotating lifting gear movement, chassis 33 rises rotation, plants intracavitary
Seed will overflow outward.
Seeding board 34 at least needs four, and quantity should be with the actual size and kind alms bowl 31 and cylinder chamber 32 of root crop
Between gap it is related.On the basis of the axis of cylinder chamber 32, seeding board 34 is fixed at the outer of the cylinder chamber 32 of kind of alms bowl 31
On wall.The outer wall of cylinder chamber 32, the inner wall for planting alms bowl 31 and two adjacent seeding boards 34 form the kind chamber of seed column-shaped arrangement, then on
State it is excessive come out root crop seed just fall plant it is intracavitary.
Bottom plate 35 is fixed at the inner wall bottom end of kind of alms bowl 31, which is located at the lower section on chassis 33, and bottom plate 35 is equipped with
At least one feed outlet to match with kind of chamber.Root crop seed is discharged from feed outlet, the position of the bottom plate 35 and kind alms bowl 31
It is fixed and invariable.In addition, being equipped with the raised line and groove worked in coordination in the side wall on chassis 33 and the inner wall of cylinder chamber 32.Work as bottom
When disk 33 rotates, cylinder chamber 32 can also rotate accordingly, and the seeding board 34 in cylinder chamber 32 then will drive intracavitary in kind
The rotation of root crop seed, and then root crop is shifted at feed outlet, and then is fallen down.Preferably, it is set at feed outlet
Set intelligent switch, need using when open.
When in use, kind chamber seeding preferably one by one can also be in rotary course, by root tuber for the seed discharge bucket 3
Crop seed discharge.The kind that the upward delivery of seed is made it fall into surrounding by seed discharge bucket by the seed of kind of chamber with chassis 33 is intracavitary, makes
Seed forms a line, and opens seed and is snapped down in transmission crawler belt 2, transmits the corresponding seed in kind hole 21 on crawler belt 2, and transmission crawler belt 2 revolves
Seed falls into practical kind of hole when going to bottom, if having seed not fall in the kind hole 21 of transmission crawler belt 2, track plates 53 are to backspin
Turn, empty kind hole can then fill into seed.
A kind of multi-functional tuber planter of the application can be designed to multiple forms sowed and reseed arrangement, such as Figure 13
It is shown, there are three groups, reseeding case 4 and can be grouped together and design at this time, the i.e. structure of drag type.Or such as Figure 14 institute
Show, will sow and reseed symmetric design, i.e., self-propelled structure, at this point, feed outlet there are two and the axis about cylinder chamber 32
It is symmetrical arranged, which has very big practical application effect in planting process, such as works as a line root crop kind
After son is planted, asks the structure of form to need to rotate one big curved, could continue to plant adjacent root crop, this is self-propelled
Planting machine can be travelled forward and swing certain angle, then reversely start planting machine, then swing certain angle by structure,
Substantially the line feed of plantation may be implemented.
The utility model is described above with reference to preferred embodiment, but the protection scope of the utility model is not
Limited to this can carry out various improvement and can be with equivalent without departing from the scope of the invention to it
Object replaces component therein, as long as structural conflict is not present, items technical characteristic mentioned in the various embodiments can appoint
Meaning mode combines, and any reference signs in the claims should not be construed as limiting the involved claims no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive.Therefore, any right that falls into is wanted
All technical solutions in the range of asking are within the protection scope of the present utility model.
Claims (9)
1. a kind of multi-functional tuber planter, including rack (1), which is characterized in that further include:
It transmits crawler belt (2), is set on the rack (1), for root crop seed to be transported in sowing structure, the biography
The outside of crawler belt (2) is sent to be equipped with the kind hole (21) that a circle places single root crop seed；
Seed discharge bucket (3) is set on the rack (1), for root crop seed to be discharged to one by one in described kind of hole (21)；
Case (4) are reseeded, are set on the rack (1), it is described to reseed the one of case (4) for placing after-culture root crop seed
A side wall is equipped with reseed mouth (41), and the reseed mouth (41) is higher than the interior bottom for reseeding case；Component (5) are reseeded, the machine is set to
On frame (1), the component (5) of reseeding includes detection bar (51), driver plate (52) and track plates (53), detection bar (51) rotation
Turn to be arranged on the rack (1), one end connecting detection plate (511) of the detection bar (51), the detection plate (511) is located at
The top of described kind of hole (21) motion profile, the front end bottom surface of the detection plate (511) are upward arcuate structure；The rail
Guidance tape (53) be rotatably provided in it is described reseed in case (4) and be oppositely arranged with reseed mouth (41), the track plates (53) are fixed to be connected
Connect a connecting rod (531)；The driver plate (52) is rotatably provided on the rack (1), the both ends point of the driver plate (52)
Not She You the first arc groove (521) and the second arc groove (522), the other end of the detection bar (51) is slidably arranged in described
In one arc groove (521), the other end of the connecting rod (531) is slidably arranged in second arc groove (522)；And
Collection device (6) is set on the rack (1), and the collection device (6) includes shovel board (61) and collection crawler belt
(62), shovel board (61) setting cheats the top of (21) motion profile at described kind and is located at the front of the detection plate (511),
For root crop seed collection more than one in hole (21) will to be planted to the collection crawler belt (62)；The collection crawler belt
(62) output end is connected to the case (4) of reseeding；
Band when the detection plate (511) is by rotation in export-oriented kind of hole (21) of described kind of hole (21), in the driver plate (52)
Under dynamic, the orbital planes of the track plates (53) is by intersecting at the interior bottom for reseeding case (4) to being higher than the reseed mouth (41).
2. a kind of multi-functional tuber planter according to claim 1, which is characterized in that the seed discharge bucket (3) includes:
Kind alms bowl (31), described kind of alms bowl (31) are equipped with cavity；
Cylinder chamber (32) is set in the cavity of described kind of alms bowl (31), and the cylinder chamber (32) is that top and bottom end are hollow
Cavity；
Chassis (33) is movably set in the cylinder chamber (32), and bottom end is fixedly connected with rotating lifting gear, the chassis
(33) and cylinder chamber (32) forms the kind chamber for placing seed；
At least four seeding boards (34) on the basis of the axis of the cylinder chamber (32), are fixedly installed on described kind of alms bowl (31)
The outer wall of the cylinder chamber (32), the outer wall of the cylinder chamber (32), the inner wall for planting alms bowl (31) and two adjacent seeding boards (34)
Form the kind chamber of seed column-shaped arrangement；And
Bottom plate (35) is fixedly installed on the inner wall bottom end of described kind of alms bowl (31), is located at the lower section of the chassis (33), the bottom plate
(35) it is equipped at least one feed outlet to match with described kind of chamber；
Wherein, the side wall of the chassis (33) and the inner wall of cylinder chamber (32) are equipped with the raised line and groove worked in coordination.
3. a kind of multi-functional tuber planter according to claim 2, which is characterized in that the rotating lifting gear includes
Rotating electric machine and hydraulic cylinder, the rotating electric machine are arranged between hydraulic cylinder and chassis (33).
4. a kind of multi-functional tuber planter according to claim 2, which is characterized in that the bottom plate (35) is equipped with logical
Hole, the rotating lifting gear pass through the through-hole of bottom plate (35).
5. a kind of multi-functional tuber planter according to claim 2, which is characterized in that the bottom end of the chassis (33) is set
There is empty slot, the rotating lifting gear is arranged between bottom plate (35) and chassis (33) empty slot.
6. a kind of multi-functional tuber planter according to claim 2, which is characterized in that there are two the feed outlets and closes
It is arranged in the axisymmetrical of the cylinder chamber (32).
7. a kind of multi-functional tuber planter according to claim 1, which is characterized in that the bottom end for reseeding case (4)
Equipped with reseeding crawler belt (42), the output end for reseeding crawler belt (42) is equipped with discharge port (43).
8. a kind of multi-functional tuber planter according to claim 1, which is characterized in that the detection plate (511) is comb
Tooth-like structure.
9. a kind of multi-functional tuber planter according to claim 1, which is characterized in that described kind of hole (21) is right angle three
Horn shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821950211.1U CN209420313U (en) | 2018-11-26 | 2018-11-26 | A kind of multi-functional tuber planter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821950211.1U CN209420313U (en) | 2018-11-26 | 2018-11-26 | A kind of multi-functional tuber planter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209420313U true CN209420313U (en) | 2019-09-24 |
Family
ID=67968244
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821950211.1U Expired - Fee Related CN209420313U (en) | 2018-11-26 | 2018-11-26 | A kind of multi-functional tuber planter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109526326A (en) * | 2018-11-26 | 2019-03-29 | 青岛农业大学 | With the tuber planter for reseeding function |
-
2018
- 2018-11-26 CN CN201821950211.1U patent/CN209420313U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109526326A (en) * | 2018-11-26 | 2019-03-29 | 青岛农业大学 | With the tuber planter for reseeding function |
| CN109526326B (en) * | 2018-11-26 | 2024-01-23 | 青岛农业大学 | Root tuber planter with reseeding function |
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| GR01 | Patent grant | ||
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Granted publication date: 20190924 Termination date: 20211126 |