CN106034496A - Concentrated discharging type precision rice direct-seeding device - Google Patents
Concentrated discharging type precision rice direct-seeding device Download PDFInfo
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- CN106034496A CN106034496A CN201610394470.XA CN201610394470A CN106034496A CN 106034496 A CN106034496 A CN 106034496A CN 201610394470 A CN201610394470 A CN 201610394470A CN 106034496 A CN106034496 A CN 106034496A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
- A01C7/081—Seeders depositing seeds in rows using pneumatic means
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
- A01C7/081—Seeders depositing seeds in rows using pneumatic means
- A01C7/082—Ducts, distribution pipes or details thereof for pneumatic seeders
-
- 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
- A01C7/208—Chassis; Coupling means to a tractor or the like; Lifting means; Side markers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
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Abstract
The invention discloses a concentrated discharging type precision rice direct-seeding device. The device is characterized by comprising a distributor, a seed box, a slanting fluted-wheel type seed discharging device, a fan, an air capacity control valve, a seed guiding device, a conveying pipe, a seed discharging pipe and a pressure measuring device, wherein the bottom of the distributor is connected with the conveying pipe and the seed discharging pipe, and the pressure measuring device is arranged on the distributor; the seed guiding device is connected with the conveying pipe, the slanting fluted-wheel type seed discharging device and the seed box are connected above the seed guiding device, an air inlet of the air capacity control valve is connected with the fan, an air outlet is connected with the conveying pipe, and the fan is driven under external power; the slanting fluted-wheel type seed discharging device right under the seed box supplies stable seed flow, the fan provides constant power air flow, the distributor uniformly distributes mixed flow of seeds and air to the seed discharging pipe, and the seeds are sown in seed ditches. Compared with the prior art, the device has the advantages that uniform and continuous precision sowing of rice can be realized, and back flowing of the seeds due to partial pressure of air can be prevented; the concentrated discharging type precision rice direct-seeding device can have the walking speeds higher than that of a conventional mechanical sowing machine and has higher sowing efficiency.
Description
Technical field
The present invention relates to the rice growing machinery field in agricultural, particularly relate to a kind of integrated arranging rice precise direct-seeding dress
Put.
Background technology
China is Rice Production maximum in the world and country of consumption, but rice planting mechanization rate is relatively low, particularly Oryza sativa L.
Planting link.At present, live typically all using artificial broadcast, the seed rice density of artificial broadcast is uneven, the ventilated daylighting of Oryza sativa L.
Property is poor, easily infects pest and disease damage.Broadcasting on face, field owing to broadcasting sowing, root system buries shallow, easily lodges.Machinery essence amount live can gram
Take the problems referred to above that artificial broadcast exists, be the development trend of direct sowing of rice production.
Traditional paddy planter is mainly fluted-roll drill, its speed of drilling and production efficiency is low, seedling-damaging rate is high, tool
There is pulsating nature.
Summary of the invention
For overcoming the deficiencies in the prior art, it is provided that a kind of efficiency is high, the speed of travel is fast, it is adaptable to the Oryza sativa L. of direct sowing of rice is broadcast
Planting machinery, the present invention proposes a kind of integrated arranging rice precise direct-seeding device.
The technical scheme is that and be achieved in that:
A kind of integrated arranging rice precise direct-seeding device, including allotter, plants case, oblique roller feed, blower fan, Boiler pressure control
Valve, leading kind of a device, conveying pipe, discharging tube and pressure tester, described dispenser bottom is connected with conveying pipe and discharging tube respectively, distributes
Pressure tester it is provided with on device；Described kind of device of leading is connected with conveying pipe, leads kind of a device and is connected above oblique roller feed and plants case, wind
Control valve air intake vent connecting fan, air outlet is connected with conveying pipe, and blower fan is driven by external impetus；Plant the skewed slot immediately below case
Wheel feed mechanism for seed provides stable seed flow, and blower fan provides constant dynamic air-flow, and allotter is by equal for the mixed flow of seed and air
Seed, to discharging tube, is sown into kind of a ditch by even distribution.
Further, described allotter includes that point kind of a dish, point kind of inner cap and point kind of enclosing cover, point kind of dish and point kind of an inner cap pass through
Corrugated tube links together, and point kind of an enclosing cover is fixed on point kind of dish, the inside formed between point kind of inner cap, corrugated tube and point kind of dish
Space foam plugs is closed, and corrugated tube is threaded connection with point kind of an inner cap by Flange joint, corrugated tube with point kind of a dish, point plants
Enclosing cover coordinates face with point kind of a dish upper surface by washer sealing, connects fixing by bolt and hold down gag.Adopt the structure
Can concentrate seeding, reduce the quantity of feed mechanism for seed, improve sowing efficiency, it is to avoid the problem of the many feed mechanism for seeds of mechanical drilling, prevent
Seeding is uneven, reduce seedling-damaging rate.Simultaneously as the seed presetting the amount of broadcasting continuously supplied by feed mechanism for seed, allotter passes through
Malleation can realize high speed seeding, joins with high-speed tractor head extension and can realize the sowing of the high speed of travel.
As a kind of optimal technical scheme of technique scheme, described point of kind enclosing cover top is circular horizontal plane, surrounding
For symmetrical arc, arc is tangent with horizontal plane, divides kind of enclosing cover negative camber and point kind of an interior exterior surface to form putting down on three dimensions
OK, surface roughness is low, and the distance between two curved surfaces is 20-60mm, and point kind of enclosing cover lower surface coordinates with point kind of a dish upper surface, makes
Connect with seal washer, the fluid density field such as formation between two arc-shaped curved surfaces and point kind of dish, etc. the arrival end of fluid density field be
The air outlet of corrugated tube, the port of export is that decile divides kind of a mouth.
Further, described foam plugs is the integrated cylinder boss of rigid plastics, and centre has through hole, described logical
Hole coordinates with corrugated tube outer surface, equidistantly has flange bolt hole near described through hole circumference, by bolt and point kind of a dish
Connect with the ring flange on corrugated tube.
Further, point kind of the mouth of described point of kind dish is centered by point kind of the dish center of circle, and uniform orthogonal array is in point kind of a dish
On, the fluid density field port of export such as be positioned at, point kind of mouth lower end is closely coupled with discharging tube, make the seed that blows out in corrugated tube by etc.
Fluid density field etc. is diverted into point kind of a pipe, and point kind of mouth entrance is with point to plant dish upper surface concordant, and has groove, bevel angle according to
Mixed flow bulk properties is arranged, and guides seed movement to flow to.
Further, described in lead kind of device and be made up of tee T and scalene cylinder, rice paddy seed is fallen into tiltedly by feed mechanism for seed through kind of a case
In cylinder, scalene cylinder is inserted perpendicularly into tee T, and possesses the perpendicular diameter gap of 5%-30%, it is ensured that air-flow laterally across, lead
To conveying pipe.Lead kind of device and play the effect that miscegenation guides, its seed flow caused to fall and break and the blower fan output gas with certain wind speed
Stream mixes, its variable-diameter structure by increase wind speed, arrange air port be opened to and angle by quick for rice paddy seed blending transportation extremely
Conveying pipe arrives allotter, and avoids the backflow phenomenon of air-flow, it is ensured that the stable conveying of gas kind mixed flow.
Further, described scalene cylinder is cylinder siphunculus, and lower end is cone of cutting sth. askew, cylinder overall diameter and tee T
Through equal in upper interface, three bores of tee T are equal, below two mouthfuls same axially, suitable for reading be axially perpendicular to end opening axle
To, suitable for reading connect the oblique roller feed of the threaded adjusting amount of broadcasting.
Further, described external impetus is gasoline engine, and described gasoline engine drives described by belt round driving belt
Extension set, provides constant gas to conveying pipe.
The beneficial effects of the present invention is, compared with prior art, the present invention has following excellent relative to prior art
Point:
First, this integrated arranging rice precise direct-seeding device uses positive pressure gas fluidic distributor by the gas kind mixed flow in conveying pipe
Being evenly distributed to each discharging tube, owing to seeding process separates with point kind of a process, seeding process provides constant seed flow to be delivered to
Allotter, inner skeleton etc. fluid density air chamber divide equally air-flow, air-flow conveying seed is to discharging tube, it is achieved Oryza sativa L. uniform
Precision drilling continuously；
Secondly, this integrated arranging rice precise direct-seeding device uses and leads kind of a device connection feed mechanism for seed, the Oryza sativa L. discharged by feed mechanism for seed
Seed flow is delivered to allotter with delivery air, leads kind of a device simple in construction, is susceptible to external disturbance, plays the effect of miscegenation water conservancy diversion,
Can prevent seed from being flow backwards by partial pressure；
Again, this integrated arranging rice precise direct-seeding device, for rice paddy seed characteristic and sowing environment, uses and concentrates seeding,
The design philosophy of seeding in lines, decreases feed mechanism for seed quantity and harmonious sex chromosome mosaicism, seeding apparatus energy matching ratio tradition machine
The speed of travel that tool seed-sowing machine is high, can reach more than 10Km/h, and fabric width can reach more than 6 meters, and efficiency improves.
Accompanying drawing explanation
Fig. 1 is the theory structure schematic diagram of the integrated arranging rice precise direct-seeding device of the present invention.
Fig. 2 is the structural representation of the allotter of one specific embodiment of the present invention.
Fig. 3 be one specific embodiment of the present invention etc. the isometric view of fluid density field.
Fig. 4 is the partial sectional view of the fluid density fields such as one specific embodiment of the present invention.
Fig. 5 is the structural representation of point kind of the enclosing cover of one specific embodiment of the present invention.
Fig. 6 is the structural representation leading kind of device of one specific embodiment of the present invention
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1, one integrated arranging rice precise direct-seeding device of the present invention, including allotter 1, plant case 2, skewed slot schedule
Plant device 3, blower fan 4, volume control damper 5, lead kind of device 6, conveying pipe 7, discharging tube 8 and pressure tester 9, divide bottom described allotter 1
It is not connected with conveying pipe 7 and discharging tube 8, allotter 1 is provided with pressure tester 9；Described kind of device 6 of leading is connected with conveying pipe 7, leads
Plant device 6 be connected above oblique roller feed 3 and plant case 2, volume control damper 5 air intake vent connecting fan 4, air outlet and conveying pipe 7
Being connected, blower fan 4 is driven by external impetus；Planting the seed flow that the oblique roller feed 3 immediately below case 2 provides stable, blower fan 4 provides
Constant dynamic air-flow, seed, by the mixed flow uniform distribution of seed and air to discharging tube 8, is sown into kind of a ditch by allotter 1.
In the embodiment in figure 1, described external impetus is gasoline engine 10, and described gasoline engine 10 is driven by belt 11 transmission
Blower fan 4 rotates, and blower fan 4 gas outlet is connected with the pipeline of conveying pipe 7.The road of conveying pipe 7 is sequentially connected with installation Boiler pressure control
Valve 5, lead kind of device 6 and discharging tube 8；Volume control damper 5 is by the size of air quantity in the keying extent control conveying pipe 7 of switch, so
After be delivered to lead kind of device 6 by the air quantity mixed up.Described blower fan is driven by gasoline engine belt 11, and provides constant gas to conveying pipe 7
Stream.Described volume control damper 5, can automatically and manually regulate the air quantity to conveying pipe conveying, and its entrance is connected with blower fan, outlet
Connect conveying pipe, air quantity and pressure are controlled, it is simple to precision drilling regulates.
Referring to Fig. 2, Fig. 3 and Fig. 4, described allotter 1 includes point kind of an enclosing cover 11, point kind of inner cap 12, sealing ring 13, bubble
Foam plug 14, point kind of dish 15, flange 16, corrugated tube 17, discharging tube 8, seal washer 19 and point kind of pipe 110.Discharging tube 8 passes through flange
16 are connected with corrugated tube 17, and segmentation therebetween connects readily accessible and changes corrugated tube 17, and gas kind mixed flow passes through corrugated tube
The fluid density fields such as the screw thread mouth junction arrival of 17 external screw thread mouths 171 and point kind of inner cap 12.As Fig. 2 shows, upwards thick arrow table
Showing gas kind mixed flow Way in, in waiting fluid density field, seed flow first concentrates on A district, then enters B under the drive of wind speed
District, C district seed enters and charges seed the stage, and seed is entered by C and divides kind of a pipe 110, and point kind of pipe 110 passes through clamp connection with discharging tube 8, by
Discharging tube 8 imports kind of a ditch, as shown in the thinnest arrow.
It is that horizontal through hole 121 pore size is equal in magnitude with upper cover horizontal plane diameter in the middle of described point of kind inner cap 12, hole
Axially it is tapped with female thread 122, coordinates with corrugated tube 17 external screw thread air outlet 171, with time-division kind inner cap 12 lower surface and point kind of a dish
15 upper surfaces closely cooperate, enclosing foam plug 14, eliminate the attachment device disturbance to air-flow, impact point kind uniformity.
Referring to Fig. 3, described integrated arranging rice precise direct-seeding divides point kind of the mouth 151 for kind of dish 15 with a point center of circle for kind of dish 15 to be
Center, uniform orthogonal array, on point kind of dish 15, determines point kind of a mouth quantity according to sowing line number, the fluid density field such as is positioned at and exports
End C, point kind of mouth lower end 152 is closely coupled with discharging tube 8, make in corrugated tube 17 seed of blowout by etc. fluid density field etc. shunt
Enter point kind of a pipe 110.Point kind of mouth 151 is formed, point kind of mouth 151 and point kind of a dish by point kind of dish 15 and point kind of pipe 110 gapless welding
In the fluid density fields such as 15 upper surfaces are concordant, and have groove, and bevel angle is arranged according to mixed flow bulk properties, minimizing, air-flow is disturbed
Dynamic, accelerate to guide seed to flow to discharging tube 8.
In order to ensure to lead the stability of kind of device 6 conveying, described scalene cylinder is cylinder siphunculus, and lower end is cone of cutting sth. askew,
Through equal in cylinder overall diameter and interface on tee T, three bores of tee T are equal, below two mouthfuls same axially, suitable for reading
It is axially perpendicular to end opening axial, suitable for reading connects the oblique roller feed of the threaded adjusting amount of broadcasting 3.
As shown in Figure 4 and Figure 5, described point of kind enclosing cover 11 top is circular horizontal plane 111, and surrounding is symmetrical arc 112, institute
Stating symmetrical arc tangent with horizontal plane, be connected by round-corner transition with vertical circumference plate 113, circumference plate 113 is with lower surface 114 even
Connect, base plate have installation fixing hole 115 and clamping boss 116, under connect envelope plate 117, the negative camber of point kind of enclosing cover 11 with point
It is parallel that the outer surface of kind of inner cap 12 is formed on three dimensions, and surface roughness is low, and distance h between two curved surfaces is 20-60mm,
Divide kind of enclosing cover 11 lower surface 114 to coordinate with point kind of a dish upper surface 1, use seal washer 118 to connect, two arc-shaped curved surfaces and point kind of a dish
Between the fluid density field C such as formation, etc. the air outlet that arrival end is corrugated tube 17 of fluid density field, the port of export is decile point kind
Mouthful.
As shown in Figure 6, described in lead kind of device 6 and be mainly made up of scalene cylinder 61 and tee T 62, scalene cylinder 61 by upper surface, under
End face and cylinder are constituted, tee T by inlet end, inoculation end, go out to flow end three part and constitute, upper surface and inoculation end level pair
Together, lower surface is an ellipse, and top view projection is projected as circle equal to upper surface, left view, and circle external diameter size is equal to out stream end
Internal diameter size, lower surface and inlet end, goes out to flow the down suction leaving 5%-30% between the Horizontal Cylinder of end composition, it is ensured that
Air-flow laterally across, guide discharging tube 8.Lead kind of device 6 and play the effect that miscegenation guides, its seed flow caused to fall and break and blower fan output
With the air-flow of certain wind speed at shadow region II2Mix, by II1To II3Variable-diameter structure can increase wind speed, arrange
Air port is opened to and quick for rice paddy seed blending transportation can be arrived allotter 1 to conveying pipe 7 by angle, and avoids the backflow of air-flow
Phenomenon, it is ensured that the stable conveying of gas kind mixed flow.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. an integrated arranging rice precise direct-seeding device, it is characterised in that include allotter, plant case, oblique roller feed, wind
Machine, volume control damper, lead kind of a device, conveying pipe, discharging tube and pressure tester, described dispenser bottom respectively with conveying pipe and seeding
Pipe is connected, and allotter is provided with pressure tester；Described kind of device of leading is connected with conveying pipe, leads kind of a device and is connected above oblique double-run
Device and kind case, volume control damper air intake vent connecting fan, air outlet is connected with conveying pipe, and blower fan is driven by external impetus；Plant case
The oblique roller feed of underface provides stable seed flow, and blower fan provides constant dynamic air-flow, and allotter is by seed and sky
Seed, to discharging tube, is sown into kind of a ditch by the mixed flow uniform distribution of gas.
2. integrated arranging rice precise direct-seeding device as claimed in claim 1, it is characterised in that described allotter includes a point kind
Dish, point kind of inner cap and point kind of an enclosing cover, point kind of dish and point kind of an inner cap link together by corrugated tube, and point kind of an enclosing cover is fixed on point plants
On dish, the inner space foam plugs formed between point kind of an inner cap, corrugated tube and point kind of dish is closed, corrugated tube and point kind of inner cap and
Dividing kind of dish respectively by screw thread and Flange joint, point kind of enclosing cover coordinates face with dividing kind of a dish upper surface by washer sealing, passes through spiral shell
Bolt and hold down gag connect fixing.
3. integrated arranging rice precise direct-seeding device as claimed in claim 2, it is characterised in that described point of kind enclosing cover top is circle
Shape horizontal plane, surrounding is symmetrical arc, and arc is tangent with horizontal plane, divides kind of enclosing cover negative camber to form three with point kind of an interior exterior surface
Parallel on dimension space, surface roughness is low, and the distance between two curved surfaces is 20-60mm, point kind of enclosing cover lower surface and point kind of a dish
Upper surface coordinates, and uses seal washer to connect, and the fluid density field such as formation between two arc-shaped curved surfaces and point kind of dish, etc. fluid density
The air outlet that arrival end is corrugated tube of field, the port of export is that decile divides kind of a mouth.
4. integrated arranging rice precise direct-seeding device as claimed in claim 2, it is characterised in that described foam plugs is rigid plastics
Integrated cylinder boss, centre has through hole, and described through hole coordinates with corrugated tube outer surface, near described through hole circumference etc.
Away from having flange bolt hole, it is connected with the ring flange on point kind of dish and corrugated tube by bolt.
5. integrated arranging rice precise direct-seeding device as claimed in claim 2, it is characterised in that point kind of the mouth of described point of kind dish with
Centered by point kind of the dish center of circle, uniform orthogonal array, on point kind of dish, the fluid density field port of export, point kind of mouth lower end and the row such as is positioned at
Kind of pipe is closely coupled, make in corrugated tube the seed of blowout by etc. fluid density field etc. be diverted into point kind of a pipe, point kind of mouth entrance with divide
Planting dish upper surface concordant, and have groove, bevel angle is arranged according to mixed flow bulk properties, guides seed movement to flow to.
6. integrated arranging rice precise direct-seeding device as claimed in claim 2, it is characterised in that described in lead kind of device by tee T and
Scalene cylinder forms, and rice paddy seed is fallen in scalene cylinder through kind of case by feed mechanism for seed, and scalene cylinder is inserted perpendicularly into tee T, and possesses 5%-
The perpendicular diameter gap of 30%, it is ensured that air-flow laterally across, guide discharging tube.
7. integrated arranging rice precise direct-seeding device as claimed in claim 6, it is characterised in that described scalene cylinder is that cylinder leads to
Pipe, lower end is cone of cutting sth. askew, and cylinder overall diameter is interior with interface on tee T, and through equal, three bores of tee T are equal, under
Axially the end opening that is axially perpendicular to suitable for reading is axial same in two mouthfuls of face, suitable for reading connects the oblique roller feed of the threaded adjusting amount of broadcasting.
8. integrated arranging rice precise direct-seeding device as claimed in claim 1, it is characterised in that described external impetus is gasoline
Machine, described gasoline engine drives described extension set by belt round driving belt, provides constant gas to conveying pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394470.XA CN106034496B (en) | 2016-06-02 | 2016-06-02 | A kind of integrated arranging rice precise direct-seeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394470.XA CN106034496B (en) | 2016-06-02 | 2016-06-02 | A kind of integrated arranging rice precise direct-seeding device |
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| Publication Number | Publication Date |
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| CN106034496A true CN106034496A (en) | 2016-10-26 |
| CN106034496B CN106034496B (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610394470.XA Active CN106034496B (en) | 2016-06-02 | 2016-06-02 | A kind of integrated arranging rice precise direct-seeding device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106612775A (en) * | 2017-01-11 | 2017-05-10 | 安徽农业大学 | Combined seed and fertilizer dual-purpose pneumatic transmission device |
| CN110143283A (en) * | 2019-06-06 | 2019-08-20 | 华中农业大学 | A kind of pneumatic transmission drilling formula plant seeds by airplane method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374906Y (en) * | 2008-12-25 | 2010-01-06 | 山东农业大学 | Pneumatic one-stage centralized seeder |
| CN102356715A (en) * | 2011-11-14 | 2012-02-22 | 黑龙江省农业机械工程科学研究院 | Pneumatic centralized seed metering device |
| CN104919949A (en) * | 2015-06-08 | 2015-09-23 | 中国水稻研究所 | Concentrated-seeding type rice direct seeding device |
| CN105453774A (en) * | 2015-12-17 | 2016-04-06 | 华中农业大学 | Rape and wheat dual-purpose pneumatic centralized discharging device |
-
2016
- 2016-06-02 CN CN201610394470.XA patent/CN106034496B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374906Y (en) * | 2008-12-25 | 2010-01-06 | 山东农业大学 | Pneumatic one-stage centralized seeder |
| CN102356715A (en) * | 2011-11-14 | 2012-02-22 | 黑龙江省农业机械工程科学研究院 | Pneumatic centralized seed metering device |
| CN104919949A (en) * | 2015-06-08 | 2015-09-23 | 中国水稻研究所 | Concentrated-seeding type rice direct seeding device |
| CN105453774A (en) * | 2015-12-17 | 2016-04-06 | 华中农业大学 | Rape and wheat dual-purpose pneumatic centralized discharging device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106612775A (en) * | 2017-01-11 | 2017-05-10 | 安徽农业大学 | Combined seed and fertilizer dual-purpose pneumatic transmission device |
| CN106612775B (en) * | 2017-01-11 | 2023-03-31 | 安徽农业大学 | Combined type seed and fertilizer air conveying device |
| CN110143283A (en) * | 2019-06-06 | 2019-08-20 | 华中农业大学 | A kind of pneumatic transmission drilling formula plant seeds by airplane method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106034496B (en) | 2018-11-09 |
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