CN110393064A - Opposed swash plate high speed Pneumatic type bud kind precise seeder - Google Patents
Opposed swash plate high speed Pneumatic type bud kind precise seeder Download PDFInfo
- Publication number
- CN110393064A CN110393064A CN201910707094.9A CN201910707094A CN110393064A CN 110393064 A CN110393064 A CN 110393064A CN 201910707094 A CN201910707094 A CN 201910707094A CN 110393064 A CN110393064 A CN 110393064A
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- Prior art keywords
- cabinet
- seeds sucker
- wall
- high speed
- pneumatic type
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- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000005192 partition Methods 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- 238000010899 nucleation Methods 0.000 abstract description 14
- 238000009331 sowing Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 9
- 241000209094 Oryza Species 0.000 description 4
- 235000007164 Oryza sativa Nutrition 0.000 description 4
- 235000013339 cereals Nutrition 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 235000009566 rice Nutrition 0.000 description 4
- 241000252254 Catostomidae Species 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 208000037805 labour Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The invention discloses a kind of opposed swash plate high speed Pneumatic type bud kind precise seeders, it includes cabinet, and gas chamber is provided on inclined wall outer wall, and seeds sucker corresponding with gas chamber is provided on inclined wall inner wall；Clear kind of sawtooth is provided with above seeds sucker, card gear is provided in cabinet, card gear includes constant velocity cardan joint and the transmission shaft that constant velocity cardan joint end is arranged in, and constant velocity cardan joint both ends are arranged on seeds sucker, and transmission shaft passes through seeds sucker and cabinet tank wall and stretches out outside gas chamber；An end part of driving shaft outside cabinet is provided with drive sprocket, and gear kind partition is provided in the cabinet below seeds sucker；Seed dropping hole is reserved between the inner wall and gear kind partition of other side wall surfaces of cabinet.The configuration of the present invention is simple, long service life meet seeding requirement under high speed operation state, have the advantages that inhale that kind of performance is high, throws and unloads that kind of stability is good, adaptability is good, operating efficiency is high, leakage sowing rate and breakage rate are low, low energy consumption.
Description
Technical field
The present invention relates to agricultural mechanical fields, and in particular to a kind of opposed swash plate high speed Pneumatic type bud kind precise seeder.
Background technique
Currently, a large amount of labours in rural area to town and country shift, labour's serious loss, rural holding decentralized management to
Appropriate scale of operation transformation, high-speed and high-efficiency operation seeding are following important research directions.Feed mechanism for seed is the core of seed-sowing machine
Component, performance quality are directly related to seeding quality and efficiency, to the development important role of direct sowing of rice technology.It compares
For mechanical, Pneumatic type seeding is with good to shape of the seed adaptability, breakage rate is low, operation quality is high, Seeding Uniformity
The features such as good.
It is ineffective that kind is filled when the raising of existing feed mechanism for seed operating rate, leads to serious broadcast leakage phenomenon, it is certain to increase pressure
Degree, which can be improved, fills kind of a performance, reduces " fly kind " phenomenon, but will greatly increase replay index simultaneously, cause the waste of seed with
And influence the agriculture requirement of plantation.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of opposed swash plate high speed Pneumatic type bud kind essences
Seeder, the feed mechanism for seed are Pneumatic type high speed feed mechanism for seed, use opposed oblique disk structure, discharge plate type hole is handed at an angle
Mistake arrangement, improves dropping frequency；The chimes device structure is simple, stability is good, long service life, small in size, operating efficiency is high, leakage
Broadcast that rate is low, throws and unloads that kind of stability is good, breakage rate is low, good to the shape adaptability of rice paddy seed, operating cost is low, is suitable for high speed
The double plate high speed Pneumatic type bud kind precise seeder of operation.
To achieve the above object, a kind of opposed swash plate high speed Pneumatic type bud kind precise seeder designed by the present invention, it is wrapped
Cabinet is included, feed pipe is offered on the cabinet, the bottom of box offers grain conductor；In multiple side wall surfaces of the cabinet
There is inclined wall that is a pair of symmetrical and being obliquely installed, is provided with gas chamber, and the gas chamber and cabinet on the inclined wall outer wall
Connection；Seeds sucker corresponding with gas chamber is provided on the inclined wall inner wall, and the seeds sucker is on inclined wall inner wall
Carry out back rotation；It is provided with clear kind of sawtooth above the seeds sucker, card gear is provided in the cabinet, it is described universal
Section transmission device includes constant velocity cardan joint and the transmission shaft that constant velocity cardan joint end is arranged in, the constant velocity cardan joint both ends setting
On seeds sucker, the transmission shaft passes through seeds sucker and cabinet tank wall and stretches out outside gas chamber；A transmission shaft outside the cabinet
End is provided with drive sprocket (being connected in cabinet by constant velocity cardan joint, realize that two swash plates of left and right rotate synchronously), the suction kind
It is provided with gear kind partition in cabinet below disk, and keeps off kind of partition and the chamber of cabinet is divided into top seed feeding chamber and lower part planting
Room；Seed dropping hole is reserved between the inner wall and gear kind partition of other side wall surfaces of the cabinet.
Further, it is uniformly arranged along the circumference using transmission shaft as the center of circle in the disk of the seeds sucker and radial disturbs kind
Item, described disturb are provided with radial suction hole group between kind of item, the suction hole group is by two symmetrical suction holes.
Still further, the clear kind of sawtooth includes side by side and arc backboard and arc mounting plate, the arc is arranged in interval
Shape backboard and arc mounting plate are bolted, and the slot formed between the arc backboard and arc mounting plate is inserted in
The o'clock of seeds sucker, arc backboard top and two sides were provided with fixing threaded hole, and the clear kind of sawtooth passes through solid on direction
Determine screw hole to be fixed on the inclined wall inside of cabinet, arc mounting plate bottom is provided with clear kind of plate (clear kind of sawtooth
Extra seed is removed, guarantees that the seed number of every group of type hole to grain, meets the requirement of precision drilling).
Still further, the clear kind of plate is U-shaped board, the vertical plate top of the clear kind of plate two sides is arc.
Still further, being provided with protective shell 0 on the constant velocity cardan joint outer surface (to prevent bud kind particle to universal joint
Damage).
Still further, kind of the wheel that stirs is provided on the transmission shaft of seeds sucker side.(kind of wheel is stirred in company with discharge plate one
Rotation is played, so that bud kind is obtained an initial velocity, is more advantageous to the absorption of bud kind).
Still further, the inclined wall and the angle of 1 bottom surface of cabinet are 15 °~30 °.
Still further, being provided with clear kind of hairbrush, institute between the symmetrical inclined wall inner wall and gear kind partition of the cabinet
State at the top of clear kind of hairbrush with seeds sucker bottom surface contact (gear plant partition by chamber be divided into two, that is, be divided into top seed feeding chamber
With the lower part area planting Shi Chongzhong and fall-sowing area, clear kind of hairbrush is contacted with seeds sucker surface, brushes off seed that is following and falling).
The principle of the present invention
1) vertical disc structure is changed to inclined structure by the present invention, and tilting disk is compared with vertical disc, precise seeder
Stowage capacity is improved, for the former, filling relies primarily on interspecies level lateral stress σ3It realizes, the type for filling power is single；
And the latter, not only there is inter-species lateral stress σ3, exist simultaneously vertical compression stress ot1And gravitational stresses σGComponent, increase filling
The seed-filling rate (Fig. 9) of feed mechanism for seed can be improved while operating speed increases in the type of power.
2) due to the characteristic of bud kind itself, surface is there are prickle, and frictional force is larger between seed group, the sky in kinds of bank deposits area
Between distribution be random, thus at charging (filling kind) there are mobility is lower, there is the phenomenon that filling kind of a property difference, bud kind knot encircles,
By the housing design of plants case it is inclined-plane to the invention people, material is facilitated kind to slide into, while increases and stirring kind of a wheel construction and make it and inhale kind
Disk rotates synchronously the mobility for increasing bud kind, can improve and fill kind of an environment.
Under high-speed job, the leakage sowing rate of feed mechanism for seed is significantly improved, and seed-filling process is the key link of feed mechanism for seed work, is adopted
It with opposed oblique disk structure, effectively solves the problems, such as that filling kind of a leakage fills, increases filling power type, greatly increase what bud kind was adsorbed by type hole
It may.
Beneficial effects of the present invention:
1. vertical disc structure is changed to inclined structure by the present invention, increases the type of filling power, greatly improves and fill kind of a performance,
Left and right gas chamber shares a seed feeding chamber, reduces feed mechanism for seed volume, and swash plate is realized using constant velocity universal section structure and rotated synchronously, staggeredly
Seeding, operation effectiveness is equal to the double single-deck of hole count, to improve dropping frequency, solves rice paddy seed high speed live streaming
Critical issue, it is low to inhale good kind of performance, leakage sowing rate and breakage rate, greatly improves working efficiency, prevent because having little time to inhale at a high speed kind or
The phenomenon that " fly kind ", can reduce linear velocity when seed filling, guarantee that pressure is stable and fill kind, unload kind, prevent because coming at a high speed not
And inhale kind or the phenomenon that " fly kind ", linear velocity when seed filling can be reduced, the requirement, energy-saving of high-speed job can be met；
2. seeds sucker of the invention shares a mouth of charging seed, space layout is made full use of, the seeding that interlocks is realized, theoretically may be used
Seeding speed is doubled.
3. stirring kind of a wheel with what seeds sucker rotated together in the present invention, an initial velocity is obtained in advance, is conducive to the absorption of type hole.
4. the present invention is provided with every kind of a baffle, the area of charging seed on seeds sucker can be separated open with kind is filled, every on kind of baffle
Hairbrush seeds sucker surface can also be carried out continuously to scrape kind of an operation, wipe the kind for being attached on area's suction hole of charging seed future and falling off
Son further decreases leakage sowing rate, reduces the damage to seed, guarantees that seed is smoothly launched, easy to disassemble can also replace.
5. the present invention realizes that opposed structure is interlocked uniform seeding using constant velocity universal section structure, two seeds suckers share same
A seed casting pipe completes uniline precision drilling requirement.
To sum up, the configuration of the present invention is simple, long service life, meet seeding requirement under high speed operation state, have and inhale kind
Performance is high, throws and unloads the advantages of kind of stability is good, adaptability is good, operating efficiency is high, leakage sowing rate and breakage rate are low, low energy consumption, especially
It is greater than the high-speed working condition of 8km/h suitable for operating speed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of opposed swash plate high speed Pneumatic type bud kind precise seeder；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is seeds sucker 5 and the equipped figure of clear kind of sawtooth 6；
Fig. 4 is the perspective view of clear kind of sawtooth；
Fig. 5 is the main view of clear kind of sawtooth；
Fig. 6 is the top view of clear kind of sawtooth；
Fig. 7 is the schematic diagram of seeds sucker；
Fig. 8 is to stir kind of a schematic diagram for wheel；
Fig. 9 is that power comparison diagram is filled at two groups of suction holes；
Figure 10 is each area's projection relation figure of seeds sucker；
In figure, cabinet 1, feed pipe 2, grain conductor 3, gas chamber 4, negative pressuren zone 4.1, negative pressure connect port 4.2, seeds sucker 5, disturb kind
Item 5.1, suction hole group 5.2, suction hole 5.21, clear kind of sawtooth 6, arc backboard 6.1, arc mounting plate 6.2, fixing threaded hole 6.3,
Clear kind of plate 6.4, card gear 7, constant velocity cardan joint 7.1, transmission shaft 7.2, drive sprocket 8, gear kind partition 9, protective shell
10, kind of wheel 11, clear kind of hairbrush 12, the area Chong Zhong I, the area Qing Zhong II, the area Xie Zhong III, fall-sowing area IV are stirred.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments, so as to those skilled in the art
Understand.
Opposed swash plate high speed Pneumatic type bud kind precise seeder as shown in figs. 1 to 6, it includes the case in positive prism-frustum-shaped
Body 1 offers feed pipe 2 on cabinet 1, and 1 bottom of cabinet offers grain conductor 3；A pair of cabinet 1 is symmetrical and what is be obliquely installed inclines
Skew wall face, and inclined wall and the angle of 1 bottom surface of cabinet are 15 °~30 °；Gas chamber 4, gas chamber 4 are provided on inclined wall outer wall
It is connected to cabinet 1, the negative pressure of gas chamber 4 connects port 4.2 and is connected to blower；
Seeds sucker 5 corresponding with gas chamber 4 is provided on inclined wall inner wall, and seeds sucker 5 comes on inclined wall inner wall
Back rotation；In the disk of seeds sucker 5 with transmission shaft 7.2 be the center of circle be uniformly arranged along the circumference it is radial disturb kind of item 5.1, disturb kind of an item
Radial suction hole group 5.2 is provided between 5.1, suction hole group 5.2 is by two symmetrical suction holes 5.21；
Clear kind of sawtooth 6 is provided with above seeds sucker 5, clear kind of sawtooth 6 includes side by side and arc backboard 6.1 and arc is arranged in interval
Shape mounting plate 6.2, arc backboard 6.1 and arc mounting plate 6.2 are bolted, arc backboard 6.1 and arc mounting plate 6.2
Between the slot that is formed, be inserted in 11 o'clock of seeds sucker 5 on direction, 6.1 top of arc backboard and two sides are provided with fixation
Screw hole 6.3, clear kind of sawtooth 6 are fixed on the inclined wall inside of cabinet 1 by fixing threaded hole 6.3,6.2 bottom of arc mounting plate
It is provided with clear kind of plate 6.4；Clear kind of plate 6.4 is U-shaped board, and the vertical plate top of clear kind of 6.4 two sides of plate is arc；
Card gear 7 is provided in cabinet 1, card gear 7 includes that constant velocity cardan joint 7.1 and setting exist
The transmission shaft 7.2 of 7.1 end of constant velocity cardan joint is stated and is provided with protective shell 10 on 7.1 outer surface of constant velocity cardan joint；Stir 11 peace of kind of wheel
Mounted in 10 end of protective shell；
7 both ends of constant velocity cardan joint are arranged on seeds sucker 5, and transmission shaft 7.2 passes through seeds sucker 5 and 1 tank wall of cabinet and stretches out
Outside gas chamber 4；7.2 end of transmission shaft outside cabinet 1 is provided with drive sprocket 8, is provided in the cabinet 1 of 5 lower section of seeds sucker
Gear kind partition 9, and keep off kind of partition 9 and the chamber of cabinet 1 is divided into top seed feeding chamber and lower part planting room；Other two of cabinet 1
Seed dropping hole 9.1 is reserved between the inner wall and gear kind partition 9 of side wall surface；The symmetrical inclined wall inner wall and gear kind partition 9 of cabinet 1
Between be provided with clear kind of hairbrush 12, clear kind of 12 top of hairbrush and 5 bottom surface contact of seeds sucker
The course of work of above-mentioned opposed swash plate high speed Pneumatic type bud kind precise seeder:
1. first rice paddy seed is placed in kind of box body 1, seed under gravity, enters seed feeding chamber, is waiting
5 common rotation of following left seeds sucker under the transmission of fast universal joint 7.1, so that obtaining one into the static stable bud kind of seed feeding chamber
Initial velocity, to form the seed layer of flowing；
2. transmission shaft 7.2 rotates under the drive of transmission mechanism, seeds sucker 5 is driven to rotate by constant velocity cardan joint 7.1,
It stirs kind of a wheel 11 also to rotate together in company with seeds sucker 5, seed forms the kind layer of flowing, two seeds suckers 5 in the case where stirring kind of the disturbance of wheel
In tilting placement, with the rotation of seeds sucker, suction hole is that center of circle rotation sequentially enters the area Chong Zhong I with transmission shaft 7.2, by negative
The effect of pressure, disturbed seed are adsorbed on seeds sucker 5, are attracted to seed smoothly on suction hole 5.21, complete to fill
Kind process；
3. 5 structure of seeds sucker uses opposed swash plate, the dislocation arrangement of suction hole 5.21, kind is filled in suction hole completion, then by weight
Power and clear kind of sawtooth complete clear kind, and bud kind is rotated into the area Qing Zhong II with disk；Subsequent bud kind turns over the area Xie Zhong III；It charges seed when entering
Area IV, bud kind is detached from the suction function of negative pressuren zone 4.1, under the action of gravity and clear kind of hairbrush 12, seeding is carried out, due to left and right
Type hole dislocation arrangement, successively seeding theoretically double dropping frequency, together in the case where 7.2 revolving speed of transmission shaft is constant
When tilting structure increase that seeding rises fill kind of a performance, be finally completed seeding operation.
Operation effectiveness of the invention using the above structure is equal to the double single-deck of hole count, and compare vertical disc knot
Structure increases the type of filling power, improves dropping frequency, under high-speed working condition of the operating speed greater than 8km/h, can also generate
Uniform kind of subflow realizes high-speed job.
Other unspecified parts are the prior art.Although above-described embodiment is made that the present invention and retouches in detail
State, but it is only a part of the embodiment of the present invention, rather than whole embodiments, people can also according to the present embodiment without
Other embodiments are obtained under the premise of creativeness, these embodiments belong to the scope of the present invention.
Claims (8)
1. a kind of opposed swash plate high speed Pneumatic type bud kind precise seeder, it includes cabinet (1), is offered on the cabinet (1)
Feed pipe (2), cabinet (1) bottom offer grain conductor (3)；It is characterized by: in multiple side wall surfaces of the cabinet (1)
There is inclined wall that is a pair of symmetrical and being obliquely installed, is provided with gas chamber (4) on the inclined wall outer wall, and the gas chamber (4)
It is connected to cabinet (1)；Seeds sucker (5) corresponding with gas chamber (4), and the seeds sucker are provided on the inclined wall inner wall
(5) carry out back rotation on inclined wall inner wall；Clear kind of sawtooth (6) is provided with above the seeds sucker (5), the cabinet (1) is interior
It is provided with card gear (7), the card gear (7) includes constant velocity cardan joint (7.1) and is arranged in constant speed
The transmission shaft (7.2) of universal joint (7.1) end, constant velocity cardan joint (7) both ends are arranged on seeds sucker (5), the transmission
Axis (7.2) passes through seeds sucker (5) and cabinet (1) tank wall and stretches out gas chamber (4) outside；The transmission shaft of the cabinet (1) outside
(7.2) end is provided with drive sprocket (8), gear kind partition (9) is provided in the cabinet (1) below the seeds sucker (5), and keep off
The chamber of cabinet (1) is divided into top seed feeding chamber and lower part planting room by kind partition (9)；Other side wall surfaces of the cabinet (1)
Seed dropping hole (9.1) are reserved between inner wall and gear kind partition (9).
2. opposed swash plate high speed Pneumatic type bud kind precise seeder according to claim 1, it is characterised in that: the seeds sucker
(5) in disk with transmission shaft (7.2) be the center of circle be uniformly arranged along the circumference it is radial disturb kind of an item (5.1), it is described to disturb kind of an item
(5.1) radial suction hole group (5.2) is provided between, the suction hole group (5.2) is by two symmetrical suction holes
(5.21)。
3. opposed swash plate high speed Pneumatic type bud kind precise seeder according to claim 2, it is characterised in that: the clear kind of saw
Tooth (6) includes side by side and arc backboard (6.1) and arc mounting plate (6.2), the arc backboard (6.1) and arc is arranged in interval
Mounting plate (6.2) is bolted, the slot formed between the arc backboard (6.1) and arc mounting plate (6.2), is inserted
On (11) o'clock direction of seeds sucker (5), arc backboard (6.1) top and two sides are provided with fixing threaded hole (6.3),
The clear kind of sawtooth (6) is fixed on the inclined wall inside of cabinet (1) by fixing threaded hole (6.3), the arc mounting plate
(6.2) bottom is provided with clear kind of plate (6.4).
4. opposed swash plate high speed Pneumatic type bud kind precise seeder according to claim 3, it is characterised in that: the clear kind of plate
It (6.4) is U-shaped board, the vertical plate top of clear kind of plate (6.4) two sides is arc.
5. opposed swash plate high speed Pneumatic type bud kind precise seeder according to claim 1, it is characterised in that: the constant speed ten thousand
Protective shell (10) are provided on Xiang Jie (7.1) outer surface.
6. opposed swash plate high speed Pneumatic type bud kind precise seeder according to claim 1, it is characterised in that: described to stir kind of a wheel
(11) it is provided on the transmission shaft (7.2) of seeds sucker (5) side.
7. opposed swash plate high speed Pneumatic type bud kind precise seeder according to claim 1, it is characterised in that: the inclined wall
The angle of face and cabinet (1) bottom surface is 15 °~30 °.
8. opposed swash plate high speed Pneumatic type bud kind precise seeder according to claim 1, it is characterised in that: the cabinet
(1) clear kind of hairbrush (12), clear kind of hairbrush (12) top are provided between symmetrical inclined wall inner wall and gear kind partition (9)
With seeds sucker (5) bottom surface contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910707094.9A CN110393064A (en) | 2019-08-01 | 2019-08-01 | Opposed swash plate high speed Pneumatic type bud kind precise seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910707094.9A CN110393064A (en) | 2019-08-01 | 2019-08-01 | Opposed swash plate high speed Pneumatic type bud kind precise seeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110393064A true CN110393064A (en) | 2019-11-01 |
Family
ID=68327123
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910707094.9A Pending CN110393064A (en) | 2019-08-01 | 2019-08-01 | Opposed swash plate high speed Pneumatic type bud kind precise seeder |
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| Country | Link |
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| CN (1) | CN110393064A (en) |
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|---|---|---|---|---|
| CN1836481A (en) * | 2006-04-28 | 2006-09-27 | 吉林大学 | Double-disc air-suction type precision seed sowing device |
| CN101595780A (en) * | 2008-06-03 | 2009-12-09 | 于震宇 | Single-ridge and two-row suction-type seeding apparatus |
| CN203027690U (en) * | 2012-12-17 | 2013-07-03 | 华中农业大学 | Pneumatic inclined-disc seed sowing device applicable to large-grain-size seeds |
| CN203194129U (en) * | 2013-04-17 | 2013-09-18 | 华中农业大学 | Double-chamber type pneumatic seed sowing device |
| CN104322183A (en) * | 2014-11-03 | 2015-02-04 | 东北农业大学 | Inclined opposite dual-disc seed sowing machine |
| CN206314191U (en) * | 2016-12-29 | 2017-07-11 | 山东农业大学 | A kind of releasing pressure automatically plants clearly Double-sucker Wheat Precision Metering Device |
| CN108901270A (en) * | 2018-09-20 | 2018-11-30 | 中国农业大学 | It is suitable for the universal seeding apparatus of beans precision drilling |
| CN109496504A (en) * | 2018-11-07 | 2019-03-22 | 华中农业大学 | Double plate high speed Pneumatic type bud kind precise seeder |
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2019
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|---|---|---|---|---|
| CN1836481A (en) * | 2006-04-28 | 2006-09-27 | 吉林大学 | Double-disc air-suction type precision seed sowing device |
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| CN203194129U (en) * | 2013-04-17 | 2013-09-18 | 华中农业大学 | Double-chamber type pneumatic seed sowing device |
| CN104322183A (en) * | 2014-11-03 | 2015-02-04 | 东北农业大学 | Inclined opposite dual-disc seed sowing machine |
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| CN109831984A (en) * | 2017-11-27 | 2019-06-04 | 沈阳华巨科技有限公司 | Feed mechanism for seed is broadcast live in Pneumatic type hybrid paddy rice essence amount cave |
| CN108901270A (en) * | 2018-09-20 | 2018-11-30 | 中国农业大学 | It is suitable for the universal seeding apparatus of beans precision drilling |
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| CN210694889U (en) * | 2019-08-01 | 2020-06-09 | 华中农业大学 | Opposed swash plate high-speed pneumatic precision seed metering device for bud seeds |
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