CN108811617A - A kind of two sides spoon formula seeding apparatus of seeder - Google Patents
A kind of two sides spoon formula seeding apparatus of seeder Download PDFInfo
- Publication number
- CN108811617A CN108811617A CN201810746668.9A CN201810746668A CN108811617A CN 108811617 A CN108811617 A CN 108811617A CN 201810746668 A CN201810746668 A CN 201810746668A CN 108811617 A CN108811617 A CN 108811617A
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- Prior art keywords
- clapboard
- seeding
- inclined ramp
- bucket wheel
- component
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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
- A01C7/18—Machines for depositing quantities of seed at intervals
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
A kind of two sides spoon formula seeding apparatus of seeder, belongs to agricultural machinery technological field.It provide it is a kind of it is reasonable in design, failure rate is low, planting quality is good, begin uniformly, work efficiency is high, avoids broadcast leakage and the two sides of resowing phenomenon spoon formula seeding apparatus of seeder.The shell is equipped with left kind of room and right kind of room, the left bank kind component is arranged left kind of interior, right seeding component is arranged right kind of interior, multiple left kind of spoon medial surface outer end on left bucket wheel in the left bank kind component is equipped with rounding off slope surface one inwardly, the seed slideway of left clapboard in the left bank kind component is equipped with one section of inclined ramp one, one end of inclined ramp is connected to the sowing port of left clapboard, one beginning of inclined ramp is arranged in above the outlet for filling kind of pipe, one end thickness of inclined ramp is less than one beginning thickness of inclined ramp, the phenomenon that the invention avoids broadcast leakage and replays, begin uniformly, substantially increase planting quality and working efficiency.
Description
Technical field
The invention belongs to agricultural machinery technological fields, more particularly to a kind of seeding apparatus of seeder.
Background technique
Feed mechanism for seed is divided into several patterns such as air-suction seeding unit, finger-clipping type seed metering device and scoop-wheel seeder, and aspirated-air type
Feed mechanism for seed is there are manufacturing cost height, and the problem of use cost is high, high failure rate, there are high failure rates for finger-clipping type seed metering device, are easy
The problem of broken strip and broadcast leakage, using unilateral seeding, when feed mechanism for seed seeding, is driven by the land wheel of seeder for traditional scoop-wheel seeder
Dynamic, for feed mechanism for seed in seeder low-speed running, planting quality is fine, when the forward speed of seeder increases, the kind of feed mechanism for seed
Spoon faster rotational speed, kind spoon are accelerated in fortune kind and the speed of seeding, are easy to appear broadcast leakage and resowing phenomenon and speed of beginning is fast, fall
The big problem of sub- impact force reduces seeding quality.
Summary of the invention
In view of the above existing problems in the prior art, the present invention provides it is a kind of it is reasonable in design, failure rate is low, seeding matter
Measure, begin uniformly, work efficiency is high, avoid broadcast leakage and the two sides of resowing phenomenon spoon formula seeding apparatus of seeder.
The technical solution adopted by the present invention is that：A kind of two sides spoon formula seeding apparatus of seeder, including shell, left bank kind group
Part, left end cap, rotation axis, right seeding component, right end cap, clutch and two fill kind of a pipe；
The shell be equipped with left kind of room and right kind of room, left kind of room airtight connection of the left end cap and shell, the right end cap with
Right kind of room airtight connection of shell, is equipped on right end cap and left end cap and fills kind of a pipe, and the left bank kind component is arranged left kind of room
Interior, right seeding component is arranged right kind of interior, and the rotation axis penetrates through left end cap and right end cap from left to right and drives left bank kind
Component and the rotation of right seeding component, the clutch are mounted on rotation axis right end；
Multiple left kind of spoon medial surface outer end on left bucket wheel in the left bank kind component is equipped with rounding off slope surface inwardly
One,
The seed slideway of left clapboard in the left bank kind component is equipped with one section of inclined ramp one, one end of inclined ramp
It is connected to the sowing port of left clapboard, one beginning of inclined ramp is arranged in above the sowing port of left clapboard, and one end of inclined ramp is thick
Degree is less than one beginning thickness of inclined ramp,
Multiple right kind of spoon medial surface outer end on right bucket wheel in the right seeding component offers rounding off slope inwardly
Face two,
The seed slideway of right clapboard in the right seeding component is equipped with one section of inclined ramp two, two end of inclined ramp
It is connected to the sowing port of right clapboard, two beginning of inclined ramp is arranged in above the sowing port of right clapboard, and two end of inclined ramp is thick
Degree is less than two beginning thickness of inclined ramp.
The beneficial effects of the present invention are：
1. the present invention is equipped with the two kinds of rooms in left and right, when the speed of service of seeder increases, the present invention is used cooperatively with retarder,
The seeding component revolving speed of two kinds of rooms is set to be reduced to the half of the feed mechanism for seed speed of former unilateral sowing under the same conditions, two
A seeding component successively replaces seeding operation, and seeding speed is identical as traditional unilateral seeding speed, but because of two seeding components
Speed reduce, avoid broadcast leakage and replay the phenomenon that, speed of beginning reduce, impact force of beginning is small, begin uniformly, greatly improve
Planting quality and working efficiency, it is reasonable in design, failure rate is low.
2. forming certain gap between the slope surface of kind spoon and the inclined ramp of partition of the invention, this gap can be clamped
Firmly kind spoon transports the corn seed or other plant seed to come, not only makes seeder in case of turbulence, and kind spoon still is able to
Seed is clamped, the mode that traditional seeder spoon pushes seed operation is changed, avoids broadcast leakage phenomenon, additionally it is possible to make to plant
The generation for the phenomenon that spoon only clamps a seed every time, avoids multicast.
Detailed description of the invention
Fig. 1：Main view of the present invention；
Fig. 2：The left bucket wheel main view of the present invention；
Fig. 3：Left bank kind impeller main view of the present invention；
Fig. 4：Left clapboard main view of the present invention；
Fig. 5：The right bucket wheel main view of the present invention；
Fig. 6：The right seeding impeller main view of the present invention；
Fig. 7：Right clapboard main view of the present invention；
Fig. 8：AB segment structure schematic diagram in Fig. 4；
Fig. 9：Conventional baffle AB segment structure schematic diagram；
Figure 10：Left kind of spoon main view of the invention；
Figure 11：Traditional kind of spoon main view；
Figure 12：Right kind of room explosive view of the invention；
Figure 13：Left kind of room explosive view of the invention；
Wherein：1- shell；The left kind of room 1-1-；The right kind of room 1-2-；2- left bank kind component；The left bucket wheel of 2-1-；2-2- left clapboard；2-3-
Left bank kind impeller；2-4- bolt one；Left kind of spoon of 2-5-；2-6- inclined ramp one；2-7- rounding off slope surface one；3- left end cap；
4- fills kind of a pipe；5- rotation axis；The right seeding component of 6-；The right bucket wheel of 6-1-；6-2- right clapboard；The right seeding impeller of 6-3-；6-4- bolt
Two；Right kind of spoon of 6-5-；6-6- inclined ramp two；6-7- rounding off slope surface two；7- right end cap；8- clutch；8-1- sprocket wheel；8-
2- bearing two；8-3- annular plug；9- bearing one；10- compression spring；11- plants case；12- hairbrush.
Specific embodiment
As shown in Fig. 1 ~ Figure 13, a kind of two sides spoon formula seeding apparatus of seeder, including shell 1, left bank kind component 2, left end cap
3, rotation axis 5, right seeding component 6, right end cap 7, clutch 8 and two fill kind of pipe 4；
The shell 1 is equipped with left kind of room 1-1 and right kind of room 1-2, left kind of room 1-1 airtight connection of the left end cap 3 and shell 1,
Right kind of room 1-2 airtight connection of the right end cap 7 and shell 1 is equipped on right end cap 7 and left end cap 3 and fills kind of pipe 4, the left side
Seeding component 2 is arranged in left kind of room 1-1, and right seeding component 6 is arranged in right kind of room 1-2, and the rotation axis 5 is passed through from left to right
Logical left end cap 3 and right end cap 7 simultaneously drive left bank kind component 2 and right seeding component 6 to rotate, and the clutch 8 is mounted on rotation axis 5
On right end；
Multiple left kind of spoon 2-5 medial surface outer ends on left bucket wheel 2-1 in the left bank kind component 2 are equipped with round and smooth mistake inwardly
The seed slideway for crossing one 2-7 of slope surface, one 2-7 of rounding off slope surface and left clapboard 2-2 cooperates for clamping seed,
The seed slideway of left clapboard 2-2 in the left bank kind component 2 is equipped with one section of one 2-6 of inclined ramp, and the inclination is slided
One end 2-6 of road is connected to the sowing port of left clapboard 2-2, and one beginning 2-6 of inclined ramp is arranged in above the outlet for filling kind of pipe 4,
The top in area is especially planted, one 2-6 end thickness of inclined ramp is less than one beginning 2-6 thickness of inclined ramp, one 2-6 of inclined ramp
I.e. AB shown in Fig. 4 sections, the end A is one beginning 2-6 of inclined ramp, and the end B is one end 2-6 of inclined ramp, a left side of the end A at the end B
The seed slideway thickness of partition 2-2 is gradually thinning,
Gap of one 2-6 of inclined ramp gradually between one 2-7 of rounding off slope surface of thinning and left kind of spoon 2-5, which is gradually increased, to be convenient for
More stable clamping seed,
Multiple right kind of spoon 6-5 medial surface outer ends on right bucket wheel 6-1 in the right seeding component 6 offer round and smooth inwardly
The seed slideway of two 6-7 of transition slope surface, two 6-7 of rounding off slope surface and right clapboard 6-2 cooperate for clamping seed,
The seed slideway of right clapboard 6-2 in the right seeding component 6 is equipped with one section of two 6-6 of inclined ramp, and the inclination is slided
Two end 6-6 of road is connected to the sowing port of right clapboard 6-2, and two beginning 6-6 of inclined ramp is arranged in above the outlet for filling kind of pipe 4,
The top in area is especially planted, two 6-6 end thickness of inclined ramp is less than two beginning 6-6 thickness of inclined ramp.Two 6-6 of inclined ramp
I.e. CD shown in Fig. 7 sections, C-terminal is two beginning 6-6 of inclined ramp, and the end D is two end 6-6 of inclined ramp, the right side of the C-terminal at the end D
The seed slideway thickness of partition 6-2 is gradually thinning,
Gap of two 6-6 of inclined ramp gradually between two 6-7 of rounding off slope surface of thinning and right kind of spoon 6-5, which is gradually increased, to be convenient for
More stable clamping seed,
The left bank kind component 2 includes left bucket wheel 2-1, left clapboard 2-2 and left bank kind impeller 2-3；The left bucket wheel 2-1, it is left every
Plate 2-2 and left bank kind impeller 2-3 are successively sleeved in rotation axis 5 from left to right, and left bucket wheel 2-1 is fixedly connected with rotation axis 5, institute
It states and is equipped with gap between left clapboard 2-2 and left bank kind impeller 2-3 and rotation axis 5, the left bucket wheel 2-1 passes through multiple bolts one
2-4 is fixedly connected with left bank kind impeller 2-3.
Left clapboard 2-2 is fixed on shell 1 by the compacting of left end cap 3.
The right seeding component 6 includes right bucket wheel 6-1, right clapboard 6-2 and right seeding impeller 6-3；The right bucket wheel 6-1,
Right clapboard 6-2 and right seeding impeller 6-3 are successively sleeved in rotation axis 5 from right to left, right bucket wheel 6-1 and the fixed company of rotation axis 5
It connects, gap is equipped between the right clapboard 6-2 and right seeding impeller 6-3 and rotation axis 5, the right bucket wheel 6-1 passes through multiple
Two 6-4 of bolt is fixedly connected with right seeding impeller 6-3.
Right clapboard 6-2 is fixed on shell 1 by the compacting of right end cap 7.
The left clapboard 2-2 and right clapboard 6-2 are symmetrical set, the left kind of spoon 2-5 and right bucket wheel of the left bucket wheel 2-1
The right kind of spoon 6-5 of 6-1 is staggered, and the moving tooth that the moving tooth and right seeding impeller 6-3 that the left bank kind impeller 2-3 is equipped with are equipped with is handed over
Mistake setting.
The multiple one 2-4 of bolt is arranged on the inside of the central through hole of left clapboard 2-2, and the multiple two 6-4 of bolt is equal
It is arranged on the inside of the central through hole of right clapboard 6-2.
Bearing 1 is fixedly installed at left and right sides of the central through hole that the shell 1 is equipped with, two bearings 1 are
Be fixedly set in rotation axis 5, the central through hole of the central through hole of the left bank kind impeller 2-3 and right seeding impeller 6-3 with
Gap is equipped between corresponding bearing 1.Bearing 1 is used to support the operating of rotation axis 5.
The left side of the left clapboard 2-2 and the right side of right clapboard 6-2 are shiny surface.Finish is R1.6, is avoided
Scratch seed.
The clutch 8 includes sprocket wheel 8-1, two 8-2 of bearing and annular plug 8-3；5 right end of rotation axis offers outer
Spline, through two 8-2 turning set of bearing in rotation axis 5, the centre bore right end of sprocket wheel 8-1 is opened up for the left end the sprocket wheel 8-1
There is internal spline, the annular plug 8-3 is equipped with internal spline and is slidably connected with the external splines of rotation axis 5, and annular plug 8-3 is equipped with
External splines and matching with the internal spline of sprocket wheel 8-1 is slidably connected.Sprocket wheel 8-1 is connected by the land wheel of chain-drive mechanism and seeder
It connects, when being not necessarily to operation of the present invention, annular plug 8-3 is slid in and out and is detached from sprocket wheel 8-1, work of the sprocket wheel 8-1 in two 8-2 of bearing
With lower idle running, rotated without turn moving axis 5；It is when seeding operation need to be carried out, annular plug 8-3 is inwardly sliding along rotation axis 5
It moves and matches connection with sprocket wheel 8-1, at this point, sprocket wheel 8-1 will drive rotation axis 5 to rotate, carry out seeding operation.
The two sides spoon formula seeding apparatus of seeder further includes two compression springs 10, the left bucket wheel 2-1 and right bucket wheel 6-1
Compression spring 10 is equipped between corresponding bearing 1.
The two sides spoon formula seeding apparatus of seeder further includes two hairbrush 12, is respectively mounted on the left end cap 3 and right end cap 7
There is hairbrush 12, the head of described two hairbrush 12 is separately positioned on the close entrance of the sowing port of left clapboard 2-2 and right clapboard 6-2
Place, i.e., two hairbrush 12 are separately positioned between Fig. 4 side a and b and between the C-terminal and D of Fig. 7, the difference of two hairbrush 12
The right kind of outside spoon 6-5 of the left kind of spoon 2-5 and right bucket wheel 6-1 of left bucket wheel 2-1 are set.Two hairbrush 12 can be by left kind of spoon
Extra seed brushes off on 2-5 and right kind of spoon 6-5.
Kind of the pipe 4 that fills filled on kind of pipe 4 and left end cap 3 on right end cap 7 shares a plants case 11.
Working principle：The land wheel of seeder drives multi-speed transmission rotation by transmission mechanism, and multi-speed transmission passes through chain
Transmission mechanism one drives transmission shaft rotation, and transmission shaft drives multiple feed mechanism for seeds of the invention to be sowed by chain-drive mechanism two
Operation, rotation axis 5 rotate and drive left bucket wheel 2-1 and right bucket wheel 6-1 to rotate synchronously, and left bucket wheel 2-1 rotation drives left bank kind leaf
Wheel 2-3 is moved synchronously, and left bucket wheel 2-1 and left clapboard 2-2 veneer rotate and clamp seed and operate from the kind area for filling 4 exit of kind of pipe
To the sowing port of left clapboard 2-2, in the process, the rounding off slope surface of one 2-6 of inclined ramp gradually thinning and left kind of spoon 2-5
Gap between one 2-7 is gradually increased, can more stable clamping seed, seed falls into left bank kind from the sowing port of left clapboard 2-2
Between two moving teeth of impeller 2-3, and going out after kind of mouth for shell 1 is transported to by left bank kind impeller 2-3 and falls into ground by grain conductor
Seeding operation is completed in face, and right seeding component 6 is identical as the working principle of left bank kind component 2, right seeding component 6 and left bank kind component
2 successively intersect uniform planting.
The present invention can according to sowing son and self-heat condition, by left bank kind component 2 and left end cap 3 and right seeding component 6 and
Right end cap 7 is used interchangeably.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of two sides spoon formula seeding apparatus of seeder, it is characterised in that：Including shell（1）, left bank kind component（2）, left end cap
（3）, rotation axis（5）, right seeding component（6）, right end cap（7）, clutch（8）And two filled kind pipe（4）；
The shell（1）Equipped with left kind of room（1-1）With right kind of room（1-2）, the left end cap（3）With shell（1）Left kind of room（1-
1）Airtight connection, the right end cap（7）With shell（1）Right kind of room（1-2）Airtight connection, right end cap（7）And left end cap（3）On
It is equipped with and fills kind of a pipe（4）, the left bank kind component（2）It is arranged left kind of room（1-1）It is interior, right seeding component（6）It is arranged at right kind
Room（1-2）It is interior, the rotation axis（5）Left end cap is penetrated through from left to right（3）And right end cap（7）And drive left bank kind component（2）With
Right seeding component（6）Rotation, the clutch（8）It is mounted on rotation axis（5）On right end；
The left bank kind component（2）Interior left bucket wheel（2-1）On multiple left kind of spoons（2-5）Medial surface outer end is equipped with inwardly
Rounding off slope surface one（2-7）,
The left bank kind component（2）Interior left clapboard（2-2）Seed slideway be equipped with one section of inclined ramp one（2-6）, described
Inclined ramp one（2-6）End and left clapboard（2-2）Sowing port connection, inclined ramp one（2-6）Kind of a pipe is being filled in beginning setting
（4）Outlet above, inclined ramp one（2-6）End thickness is less than inclined ramp one（2-6）Beginning thickness,
The right seeding component（6）Interior right bucket wheel（6-1）On multiple right kind of spoons（6-5）Medial surface outer end opens up inwardly
There is rounding off slope surface two（6-7）,
The right seeding component（6）Interior right clapboard（6-2）Seed slideway be equipped with one section of inclined ramp two（6-6）, described
Inclined ramp two（6-6）End and right clapboard（6-2）Sowing port connection, inclined ramp two（6-6）Kind of a pipe is being filled in beginning setting
（4）Outlet above, inclined ramp two（6-6）End thickness is less than inclined ramp two（6-6）Beginning thickness.
2. a kind of two sides spoon formula seeding apparatus of seeder according to claim 1, it is characterised in that：The left bank kind component
（2）Including left bucket wheel（2-1）, left clapboard（2-2）And left bank kind impeller（2-3）；The left bucket wheel（2-1）, left clapboard（2-2）With
Left bank kind impeller（2-3）It is successively sleeved on rotation axis from left to right（5）On, left bucket wheel（2-1）With rotation axis（5）It is fixedly connected,
The left clapboard（2-2）And left bank kind impeller（2-3）With rotation axis（5）Between be equipped with gap, the left bucket wheel（2-1）Pass through
Multiple bolts one（2-4）With left bank kind impeller（2-3）It is fixedly connected.
3. a kind of two sides spoon formula seeding apparatus of seeder according to claim 2, it is characterised in that：The right seeding component
（6）Including right bucket wheel（6-1）, right clapboard（6-2）And right seeding impeller（6-3）；The right bucket wheel（6-1）, right clapboard（6-2）With
Right seeding impeller（6-3）It is successively sleeved on rotation axis from right to left（5）On, right bucket wheel（6-1）With rotation axis（5）It is fixedly connected,
The right clapboard（6-2）With right seeding impeller（6-3）With rotation axis（5）Between be equipped with gap, the right bucket wheel（6-1）Pass through
Multiple bolts two（6-4）With right seeding impeller（6-3）It is fixedly connected.
4. a kind of two sides spoon formula seeding apparatus of seeder according to claim 3, it is characterised in that：The left clapboard（2-2）
And right clapboard（6-2）It is symmetrical set, the left bucket wheel（2-1）Left kind of spoon（2-5）With right bucket wheel（6-1）Right kind of spoon
（6-5）It is staggered, the left bank kind impeller（2-3）The moving tooth and right seeding impeller being equipped with（6-3）The moving tooth being equipped with staggeredly is set
It sets.
5. a kind of two sides spoon formula seeding apparatus of seeder according to claim 3, it is characterised in that：The multiple bolt one
（2-4）It is arranged at left clapboard（2-2）Central through hole on the inside of, the multiple bolt two（6-4）It is arranged at right clapboard（6-2）
Central through hole on the inside of.
6. a kind of two sides spoon formula seeding apparatus of seeder according to claim 1, it is characterised in that：The shell（1）It is equipped with
Central through hole at left and right sides of be fixedly installed with bearing one（9）, two bearings one（9）It is fixedly set in rotation axis
（5）On, the left bank kind impeller（2-3）Central through hole and right seeding impeller（6-3）Central through hole with corresponding bearing
One（9）Between be equipped with gap.
7. a kind of two sides spoon formula seeding apparatus of seeder according to claim 3, it is characterised in that：The left clapboard（2-2）
Left side and right clapboard（6-2）Right side be shiny surface.
8. a kind of two sides spoon formula seeding apparatus of seeder according to claim 1, it is characterised in that：The clutch（8）Packet
Include sprocket wheel（8-1）, bearing two（8-2）And annular plug（8-3）；The rotation axis（5）Right end offers external splines, the sprocket wheel
（8-1）Left end passes through bearing two（8-2）Turning set is mounted in rotation axis（5）On, sprocket wheel（8-1）Centre bore right end offer interior flower
Key, the annular plug（8-3）Equipped with internal spline and and rotation axis（5）External splines be slidably connected, annular plug（8-3）It is equipped with
External splines and and sprocket wheel（8-1）Internal spline matching be slidably connected.
9. a kind of two sides spoon formula seeding apparatus of seeder according to claim 6, it is characterised in that：The two sides spoon formula sowing
Machine feed mechanism for seed further includes two compression springs（10）, the left bucket wheel（2-1）With right bucket wheel（6-1）With corresponding bearing one（9）
Between be equipped with compression spring（10）.
10. a kind of two sides spoon formula seeding apparatus of seeder according to claim 1, it is characterised in that：The two sides spoon formula is broadcast
Kind machine feed mechanism for seed further includes two hairbrush（12）, the left end cap（3）And right end cap（7）On be mounted on hairbrush（12）, described
Two hairbrush（12）Head be separately positioned on left clapboard（2-2）And right clapboard（6-2）Sowing port close inlet, two
Hairbrush（12）Be separately positioned on left bucket wheel（2-1）Left kind of spoon（2-5）With right bucket wheel（6-1）Right kind of spoon（6-5）Outside.
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| CN201810746668.9A CN108811617A (en) | 2018-07-09 | 2018-07-09 | A kind of two sides spoon formula seeding apparatus of seeder |
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| CN201810746668.9A CN108811617A (en) | 2018-07-09 | 2018-07-09 | A kind of two sides spoon formula seeding apparatus of seeder |
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| CN201810746668.9A Pending CN108811617A (en) | 2018-07-09 | 2018-07-09 | A kind of two sides spoon formula seeding apparatus of seeder |
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| CN202026588U (en) * | 2010-12-14 | 2011-11-09 | 李金泽 | Double-row bucket wheel type seeding unit |
| CN201986370U (en) * | 2011-01-11 | 2011-09-28 | 钱全胜 | Seed metering device |
| CN104686031A (en) * | 2014-12-24 | 2015-06-10 | 河北省农林科学院粮油作物研究所 | Double-scoop wheel opposite type high-speed corn precision seed-metering device |
| CN205249779U (en) * | 2015-12-10 | 2016-05-25 | 河北农业大学 | Double-row spoon type dislocation precision seed sowing device |
| CN207476187U (en) * | 2017-10-24 | 2018-06-12 | 东北林业大学 | The tapered invaginating spoon formula isolating plate of seed dropping device of annular groove |
| CN207284166U (en) * | 2017-10-26 | 2018-05-01 | 刘冬强 | Multifunctional precision seeder |
| CN108124550A (en) * | 2018-01-24 | 2018-06-08 | 山东农业大学 | A kind of opposed tilting bucket wheel seeding mechanism of high speed and precision |
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Application publication date: 20181116 |