CN102511226B - Pneumatic direct seeding precision sowing device for rice bud seeds - Google Patents
Pneumatic direct seeding precision sowing device for rice bud seeds Download PDFInfo
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- CN102511226B CN102511226B CN2011104462523A CN201110446252A CN102511226B CN 102511226 B CN102511226 B CN 102511226B CN 2011104462523 A CN2011104462523 A CN 2011104462523A CN 201110446252 A CN201110446252 A CN 201110446252A CN 102511226 B CN102511226 B CN 102511226B
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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
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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
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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Abstract
The invention discloses a pneumatic direct seeding precision sowing device for rice bud seeds. The pneumatic direct seeding precision sowing device comprises a pneumatic vibration seed box, a profile hole roller mechanism, a seed cleaning mechanism and a seed protective mechanism, wherein the pneumatic vibration seed box comprises a seed box frame, a pneumatic vibrator, an air pressure regulator, a box body, an opening regulating plate and a plate sieve; the profile hole roller mechanism comprises a roller, a negative pressure sealing element and a positive pressure sealing element; a plurality of frusto-conical profile holes of which the insides are provided with suction holes are formed on the outer surface of the roller; an air inlet hollow shaft is fixedly connected with an air outlet hollow shaft by a connecting shaft; the positive pressure sealing element is connected with the air inlet hollow shaft by a second thread connecting pipe, and the negative pressure sealing element is connected with the air outlet hollow shaft by a first pressure sealing element; the seed protective mechanism comprises a seed protective belt support and an elastic seed protective belt; and the seed cleaning mechanism comprises a brush carrier and a seed cleaning brush. The pneumatic direct seeding precision sowing device has a simple and novel structure, solves the problems of the damage to the bud seeds, the stoppage of the profile holes, sowing missing and the like effectively, improves sowing accuracy, can be used for indoor industrial seedling raising and sowing and also can be used for the direct seeding of the rice bud seeds in fields.
Description
Technical field
The invention belongs to agricultural seeder machinery field, refer to particularly a kind of Pneumatic direct seeding precision sowing device for rice bud seeds.
Background technology
Rice bud seed is live, namely be through directly broadcasting on the soil, field that imposes on grading after the vernalization in early stage with rice paddy seed, compare with the rice transplanting planting patterns, save the hard work such as seedling, fortune seedling, rice transplanting and supervened energy resource consumption, a kind of saving of labor, save time, the agronomy planting patterns of cost-saving synergistic, be the focus of recent research scholar's research.
Traditional rice direct-seeding is owing to be directly to shed by artificial craft to finish, and this just keeps away, and unavoidable uneven sowing is even, seed is wasted the technical bugs such as serious, that later stage field management work is heavy.
In recent years, the researcher releases a few money rice bud seed machinery seed-sowing machines, and its seeding parts adopt the mechanical type dispenser.Broadcast sowing the defectives such as the waste of inhomogeneous, seed is serious although overcome craft, improved sowing efficient, the mechanical type dispenser is the bud kind injury higher to moisture content easily, causes expense kind to be short of seedling, and next is difficult to realize precision drilling.
The research of pneumatic type dispenser is come out and is easily hindered impairedly for the bud kind, is difficult to realize that the problem such as precision drilling has proposed effective solution route.But because of its complex structure, only be applied at present the indoor industrially seedling-cultivation technique, but have the problems such as type hole plug, broadcast leakage, replay.
Summary of the invention
Purpose of the present invention will overcome the existing deficiency of prior art exactly, and a kind of Pneumatic direct seeding precision sowing device for rice bud seeds is provided.
For achieving the above object, the Pneumatic direct seeding precision sowing device for rice bud seeds that the present invention is designed, comprise pneumatic vibration kind case, type hole cylinder mechanism, seed dresser structure and protect kind of a mechanism, described pneumatic vibration kind case comprises kind of a tank tower, pneumatic vibrator, barostat, is fixed on the casing on kind of the tank tower and is installed in the opening adjustable plate on the casing and be installed in the plate sieve of bottom half, described pneumatic vibrator is installed in the central authorities of plate sieve lower surface, and described barostat links to each other with pneumatic vibrator by tracheae; Described type hole cylinder mechanism comprises cylinder, be installed in inlet end flange and the outlet side flange at cylinder two ends, be fixed on the sprocket wheel on the inlet end flange, be installed in the air inlet hollow shaft on the cylinder axis, the hollow shaft of giving vent to anger and connecting axle and with negative-pressure dense sealing and the positive seal spare of the inner surface close contact of cylinder, the outer surface of described cylinder is provided with a plurality of truncated cone shape types hole, each inside, truncated cone shape type hole is provided with several suckers, the butt end of described air inlet hollow shaft and the hollow shaft of giving vent to anger is fixedly connected with by connecting axle, described positive seal spare is connected with the air inlet hollow shaft by the second screw nipple, and described negative-pressure dense sealing is connected with the hollow shaft of giving vent to anger by the first screw nipple; Described kind of the mechanism that protects comprises and protects kind of a belt supporting frame, is installed in the elasticity of protecting on kind of the belt supporting frame and protects kind of a band, the arch section that described elasticity is protected kind of band is close on the outer surface of cylinder, described seed dresser structure comprises kind of brush holder and the clear kind brush that is fixed on kind of the brush holder, and the two ends of described kind of brush holder are installed in by angle iron connecting piece and protect on kind of the belt supporting frame.
Preferably, be provided with the cross bar for the support openings adjustable plate on the described casing, the casing at opening adjustable plate two ends has the deep-slotted chip breaker for the location.Like this, the opening adjustable plate supports by the deep-slotted chip breaker location and by cross bar.
Preferably, one side of described plate sieve is hinged by spring hinge and casing, and its excess-three limit of described plate sieve is fixedly connected with casing by U-shaped soft rubber sheet.Like this, the plate sieve can vibrate with pneumatic vibrator, and the plate sieve also is convenient to dismounting.
Preferably, described inlet end flange is provided with and is enclosed within air inlet hollow shaft outer Intake shaft bearing and sprocket sleeve, described sprocket sleeve is axially fixed in outside the Intake shaft bearing, air inlet hollow shaft ladder platform and the sprocket sleeve axial restraint of described Intake shaft bearing by arranging on the air inlet hollow shaft.Like this, the inlet end flange is fastenedly connected by the Intake shaft bearings and with cylinder, Intake shaft bearing and sprocket sleeve axial restraint.
Preferably, described outlet side flange is provided with and is enclosed within the outer axle bearing and be fixed on outlet side flange upper bearing sleeve, described give vent to anger hollow shaft ladder platform and the bearing holder (housing, cover) axial restraint of axle bearing by arranging on the hollow shaft of giving vent to anger of giving vent to anger of giving vent to anger of the hollow shaft of giving vent to anger.Like this, the outlet side flange is supported by the axle bearing of giving vent to anger and is fastenedly connected give vent to anger axle bearing and bearing holder (housing, cover) axial restraint with cylinder.
Preferably, the two ends of described positive seal spare and negative-pressure dense sealing are provided with and are separately fixed at the air inlet hollow shaft and the weldment on the hollow shaft of giving vent to anger.Described positive seal spare and negative-pressure dense sealing with face that drum inner surface contacts on be attached with respectively one deck TR thin rubber.Like this, can guarantee the sealing of positive seal spare and negative-pressure dense sealing and cylinder.
Preferably, the large footpath in each truncated cone shape type hole of described outer surface of cylinder is 15～25 millimeters, and path is 10～20 millimeters, and the degree of depth is 3～6 millimeters, and each inside, truncated cone shape type hole is provided with 4 suckers, and the aperture of each sucker is 1～2 millimeter.
Preferably, described elasticity is protected kind of band and is provided with tensioning tube and the band ear tensioning tube that protects kind of band for support elastic, described tensioning tube and be provided with little bearing with the two ends of ear tensioning tube inside, described protecting on kind of the belt supporting frame is provided with central shaft, and described little bearing holder (housing, cover) is on central shaft.Like this, elasticity is protected kind of band and is jointly supported by tensioning tube and band ear tensioning tube, protects the transverse shifting of kind of band to prevent elasticity.
Preferably, be provided with on the described kind of brush holder for regulating clear clamping slot of planting brush and outer surface of cylinder distance, described clear kind brush is installed on the clamping slot by bolt, and described clear kind brush is 28 millimeters of the length of pressing by mane and sheet iron, wide 22 millimeters, thick 4 millimeters hairbrush.Like this, the clear kind brushed the adjusting that can realize by the clamping slot of planting brush holder clear kind brush and outer surface of cylinder distance.
Beneficial effect of the present invention is:
1, kind of a mode is sent in vibration of the present invention, effectively prevent the knot doming effect of bud kind in kind of case, kind of a district is filled in assurance has continual bud kind to provide, the bud kind that keeps simultaneously filling kind of district is in the state of exciting, reduce stickiness power and frictional force between the bud kind, effectively reduce the breakage rate of bud kind, improve and fill kind of a performance;
2, the vibration of plate of the present invention sieve send kind of process to filter out broken bud and impurity in the bud kind, can prevent effectively that sucker from stopping up;
3, the throughput that the vibration frequency of pneumatic vibrator and amplitude are regulated in the tracheae by barostat among the present invention is controlled, and is convenient adjustable;
4, pneumatic vibration kind case of the present invention has gathered that vibration is sent kind and the function such as sieve kind of impurity elimination, and compact conformation is novel;
5, the present invention adopts that fixing air chamber is inhaled kind, seeding and elasticity protects the mode that kind of band cooperates a truncated cone shape type hole to take kind, protect kind, has saved negative-pressure sucking required when taking kind, reduces the power consumption of blower fan, alleviates the quality of complete machine;
6, elasticity of the present invention is protected kind of a band and is close to outer surface of cylinder and rotating with cylinder, and the truncated cone shape type hole of protecting on kind of band and the cylinder forms seal cavity, and when protecting kind, the bud kind is in the seal cavity, protects the bud kind injury-free;
7,4 suckers of appropriate design in the truncated cone shape type of the present invention hole guarantee to inhale kinds 3～4 requirement.
Description of drawings
Fig. 1 is the structural representation of Pneumatic direct seeding precision sowing device for rice bud seeds.
Fig. 2 is the main TV structure schematic diagram of pneumatic vibration kind case.
Fig. 3 is the left TV structure schematic diagram of pneumatic vibration kind case.
Fig. 4 is the syndeton schematic diagram of plate sieve 13 and casing among Fig. 3.
Fig. 5 is the main TV structure schematic diagram of type hole cylinder mechanism.
Fig. 6 is the left TV structure schematic diagram of type hole cylinder mechanism.
Fig. 7 a is the structural representation of positive seal spare among Fig. 5.
Fig. 7 b is the structural representation of negative-pressure dense sealing among Fig. 5.
Fig. 8 a is the structural representation of air inlet hollow shaft among Fig. 6.
Fig. 8 b is the structural representation of hollow shaft of giving vent to anger among Fig. 6.
Fig. 9 is the structural representation that protects kind of mechanism.
Figure 10 is the structural representation of seed dresser structure.
Figure 11 is the local structure for amplifying schematic diagram of seed dresser structure.
Figure 12 is clear kind of brush configuration schematic diagram of seed dresser structure.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Pneumatic direct seeding precision sowing device for rice bud seeds comprises pneumatic vibration kind case 4, type hole cylinder mechanism 2, seed dresser structure 3 and protects kind of mechanism 1 as shown in Figure 1.
The case of pneumatic vibration kind shown in Fig. 2～4 4 comprises kind of tank tower 6, pneumatic vibrator 5, barostat 8, is fixed on the casing 7 on kind of the tank tower 6 and is installed in the opening adjustable plate 12 on the casing 7 and be installed in the plate sieve 13 of casing 7 bottoms.Pneumatic vibrator 5 is installed in the central authorities that plate sieves 13 lower surfaces, and barostat 8 links to each other with pneumatic vibrator 5 by tracheae 9.Be provided with the cross bar 11 for support openings adjustable plate 12 on the casing 7, the casing 7 at opening adjustable plate 12 two ends has the deep-slotted chip breaker 10 for the location.One side of plate sieve 13 is hinged by spring hinge 45 and casing 7, and its excess-three limit of plate sieve 13 is fixedly connected with casing 7 by U-shaped soft rubber sheet 14.
The cylinder mechanism of type hole shown in Fig. 5～8 2 comprises cylinder 26, be installed in inlet end flange 22 and the outlet side flange 19 at cylinder 26 two ends, be fixed on sprocket wheel 25 on the inlet end flange 22, be installed on cylinder 26 axis air inlet hollow shaft 24, the hollow shaft of giving vent to anger 29 and connecting axle 21 and with negative-pressure dense sealing 15 and the positive seal spare 18 of the inner surface close contact of cylinder 26.Inlet end flange 22 is provided with Intake shaft bearing 17a and the sprocket sleeve 23 that is enclosed within outside the air inlet hollow shaft 24, sprocket sleeve 23 is axially fixed in outside the Intake shaft bearing 17a, air inlet hollow shaft ladder platform 44a and sprocket sleeve 23 axial restraints of Intake shaft bearing 17a by arranging on the air inlet hollow shaft 24.Outlet side flange 19 is provided with and is enclosed within the outer axle bearing 17b and be fixed on outlet side flange 19 upper bearing sleeves 30, give vent to anger hollow shaft ladder platform 44b and bearing holder (housing, cover) 30 axial restraints of axle bearing 17b by arranging on the hollow shaft 29 of giving vent to anger of giving vent to anger of giving vent to anger of the hollow shaft 29 of giving vent to anger.The outer surface of cylinder 26 is provided with a plurality of truncated cone shape types hole 27, the large footpath in each truncated cone shape type hole 27 is 15～25 millimeters, and path is 10～20 millimeters, and the degree of depth is 3～6 millimeters, each 27 inside, truncated cone shape type hole is provided with 4 suckers 28, and the aperture of each sucker 28 is 1～2 millimeter.Air inlet hollow shaft 24 is fixedly connected with by connecting axle 21 with the butt end of the hollow shaft 29 of giving vent to anger.Positive seal spare 18 is connected with air inlet hollow shaft 24 by the second screw nipple 16b.Negative-pressure dense sealing 15 is connected with the hollow shaft 29 of giving vent to anger by the first screw nipple 16a.The two ends of positive seal spare 18 and negative-pressure dense sealing 15 are provided with the weldment 20 that is separately fixed on air inlet hollow shaft 24 and the hollow shaft 29 of giving vent to anger.Positive seal spare 18 and negative-pressure dense sealing 15 with face that cylinder 26 inner surfaces contact on be attached with respectively one deck TR thin rubber 43.
Protect kind of mechanism 1 shown in Fig. 9 and comprise and protect kind of belt supporting frame 34, be installed in the elasticity of protecting on kind of the belt supporting frame 34 and protect and kind be with 37, the arch section that described elasticity is protected kind with 37 is close on cylinder 26 outer surfaces.Elasticity is protected kind to be provided with for support elastic with 37 and is protected kind tensioning tube 36 and band ear tensioning tube 31 with 37, tensioning tube 36 and be provided with little bearing 32 with the two ends of ear tensioning tube 31 inside, protect and be provided with central shaft 33 on kind of the belt supporting frame 34, little bearing 32 is enclosed within on the central shaft 33.
Operation principle of the present invention is as follows:
Before the work, the rice paddy seed that prior vernalization is good places in the casing 7 of pneumatic vibration kind case 4 first, the sower actuating unit drives cylinder 26 by sprocket wheel 25 and rotates, elasticity is protected and kind is with 37 to be close on the cylinder 26, and elasticity is protected kind with 37 and forced self along with cylinder 26 rotates by self frictional force between cylinder 26; Start the wind-force mechanism of sower, for cylinder mechanism 2 inside, type hole just formed with cylinder 26 inner surfaces respectively by positive seal spare 18 and negative-pressure dense sealing 15, angrily the chamber provides just required, negative pressure, for the tracheae 9 that is connected with pneumatic vibrator 5 provides required air-flow, pneumatic vibrator 5 drives 13 vibrations of plate sieve and controls vibration frequency and the amplitude of pneumatic vibrators 5 and plate sieve 13 by barostat 8, oscillating plate sieve 13 cooperates opening adjustable plate 12 that the bud kind is separated from casing 7, form to slide under the thin layer seed flow wriggling and fill kind of a district, and send broken bud and the impurity that filters out in the process of planting in the bud kind in 13 vibrations of plate sieve; Treat that truncated cone shape type hole 27 on the cylinder 26 turns to when filling kind of district, 4 suckers 28 of 27 inside, truncated cone shape type hole are inhaled kind by the formed negative pressure of negative pressure chamber, unnecessary bud kind is disposed by clear kind brush 39 after being full of the bud kind in truncated cone shape type hole 27, only keep 3～4 bud kinds, unnecessary bud kind is fallen go back to kind of the district of filling of casing 7, elasticity is protected and kind is with 37 to be close to cylinder 26 and to rotate together, elasticity protect kind with 37 with cylinder 26 on truncated cone shape type hole 27 form of short duration seal cavity in order to the flesh kind, protect kind, when treating that truncated cone shape type hole 27 arrives the seeding district, by the gravity of bud kind self and the malleation of malleation air chamber formation 3～4 bud kinds are together discharged, guarantee the bunch planting quality, finish the seeding of smart amount, realize working continuously of Pneumatic direct seeding precision sowing device for rice bud seeds along with the not stall of cylinder 26 is moving.After finishing seeding operation, the bolt by removal plate sieve 13 and U-shaped soft rubber sheet 14 is connected to form and unloads kind of a mouth, removes the bud kind that does not finish in the casing 7.
Claims (10)
1. a Pneumatic direct seeding precision sowing device for rice bud seeds comprises pneumatic vibration kind case (4), type hole cylinder mechanism (2), seed dresser structure (3) and protects kind of a mechanism (1), it is characterized in that:
Described pneumatic vibration kind case (4) comprises kind of a tank tower (6), pneumatic vibrator (5), barostat (8), is fixed on the casing (7) on kind of the tank tower (6) and is installed in the opening adjustable plate (12) on the casing (7) and be installed in the plate sieve (13) of casing (7) bottom, described pneumatic vibrator (5) is installed in the central authorities of plate sieve (13) lower surface, and described barostat (8) links to each other with pneumatic vibrator (5) by tracheae (9);
Described type hole cylinder mechanism (2) comprises cylinder (26), be installed in inlet end flange (22) and the outlet side flange (19) at cylinder (26) two ends, be fixed on the sprocket wheel (25) on the inlet end flange (22), be installed in the air inlet hollow shaft (24) on cylinder (26) axis, the hollow shaft of giving vent to anger (29) and connecting axle (21) and with negative-pressure dense sealing (15) and the positive seal spare (18) of the inner surface close contact of cylinder (26), the outer surface of described cylinder (26) is provided with a plurality of truncated cone shape types holes (27), each inside, truncated cone shape type hole (27) is provided with several suckers (28), the butt end of described air inlet hollow shaft (24) and the hollow shaft of giving vent to anger (29) is fixedly connected with by connecting axle (21), described positive seal spare (18) is connected with air inlet hollow shaft (24) by the second screw nipple (16b), and described negative-pressure dense sealing (15) is connected with the hollow shaft of giving vent to anger (29) by the first screw nipple (16a);
Described kind of the mechanism (1) that protects comprises and protects kind of a belt supporting frame (34), is installed in the elasticity of protecting on kind of the belt supporting frame (34) and protects kind band (37), described elasticity is protected kind of the arch section of band (37) and is close on cylinder (26) outer surface, described seed dresser structure (3) comprises kind of a brush holder (38) and is fixed on clear kind brush (39) on kind of the brush holder (38) that the two ends of described kind of brush holder (38) are installed in by angle iron connecting piece (35) and protect on kind of the belt supporting frame (34).
2. Pneumatic direct seeding precision sowing device for rice bud seeds according to claim 1, it is characterized in that: be provided with the cross bar (11) for support openings adjustable plate (12) on the described casing (7), the casing (7) at opening adjustable plate (12) two ends has the deep-slotted chip breaker (10) for the location.
3. Pneumatic direct seeding precision sowing device for rice bud seeds according to claim 1, it is characterized in that: one side of described plate sieve (13) is hinged by spring hinge (45) and casing (7), and its excess-three limit of described plate sieve (13) is fixedly connected with casing (7) by U-shaped soft rubber sheet (14).
4. Pneumatic direct seeding precision sowing device for rice bud seeds according to claim 1, it is characterized in that: described inlet end flange (22) is provided with and is enclosed within air inlet hollow shaft (24) outer Intake shaft bearing (17a) and sprocket sleeve (23), described sprocket sleeve (23) is axially fixed in outside the Intake shaft bearing (17a), and described Intake shaft bearing (17a) is by the upper air inlet hollow shaft ladder platform (44a) that arranges of air inlet hollow shaft (24) and sprocket sleeve (23) axial restraint.
5. Pneumatic direct seeding precision sowing device for rice bud seeds according to claim 1, it is characterized in that: described outlet side flange (19) is provided with and is enclosed within the outer axle bearing of giving vent to anger (17b) of the hollow shaft of giving vent to anger (29) and is fixed on outlet side flange (19) upper bearing sleeve (30), and the described axle bearing of giving vent to anger (17b) is by upper give vent to anger hollow shaft ladder platform (44b) and bearing holder (housing, cover) (30) axial restraint that arranges of the hollow shaft of giving vent to anger (29).
6. Pneumatic direct seeding precision sowing device for rice bud seeds according to claim 1, it is characterized in that: the two ends of described positive seal spare (18) and negative-pressure dense sealing (15) are provided with the weldment (20) that is separately fixed on air inlet hollow shaft (24) and the hollow shaft of giving vent to anger (29).
7. Pneumatic direct seeding precision sowing device for rice bud seeds according to claim 1 is characterized in that: described positive seal spare (18) and negative-pressure dense sealing (15) with face that cylinder (26) inner surface contacts on be attached with respectively one deck TR thin rubber (43).
8. Pneumatic direct seeding precision sowing device for rice bud seeds according to claim 1, it is characterized in that: the large footpath in each truncated cone shape type hole (27) of described cylinder (26) outer surface is 15～25 millimeters, path is 10～20 millimeters, the degree of depth is 3～6 millimeters, each inside, truncated cone shape type hole (27) is provided with 4 suckers (28), and the aperture of each sucker (28) is 1～2 millimeter.
9. Pneumatic direct seeding precision sowing device for rice bud seeds according to claim 1, it is characterized in that: described elasticity is protected kind band (37) and is provided with for support elastic and protects kind of the tensioning tube (36) of band (37) and be with ear tensioning tube (31), described tensioning tube (36) and the inner two ends of band ear tensioning tube (31) are provided with little bearing (32), described protecting is provided with central shaft (33) on kind of the belt supporting frame (34), described little bearing (32) is enclosed within on the central shaft (33).
10. Pneumatic direct seeding precision sowing device for rice bud seeds according to claim 1, it is characterized in that: be provided with on the described kind of brush holder (38) for regulating clear clamping slot (40) of planting brush (39) and cylinder (26) outer surface distance, described clear kind brush (39) is installed on the clamping slot (40) by bolt, and described clear kind brush (39) is 28 millimeters of the length of pressing by mane (41) and sheet iron (42), wide 22 millimeters, thick 4 millimeters hairbrush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011104462523A CN102511226B (en) | 2011-12-28 | 2011-12-28 | Pneumatic direct seeding precision sowing device for rice bud seeds |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104462523A CN102511226B (en) | 2011-12-28 | 2011-12-28 | Pneumatic direct seeding precision sowing device for rice bud seeds |
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| CN102511226A CN102511226A (en) | 2012-06-27 |
| CN102511226B true CN102511226B (en) | 2013-05-29 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105659998B (en) * | 2016-01-14 | 2017-11-24 | 华南农业大学 | A kind of strength drum-type feed mechanism for seed |
| CN110036726A (en) * | 2018-01-16 | 2019-07-23 | 南京工业大学 | Hemispherical suction nozzle of seed sowing device for green vegetables |
| CN108391488B (en) * | 2018-05-08 | 2020-01-21 | 四川农业大学 | Rice precision hill-drop centralized row type roller |
| CN112930785B (en) * | 2021-03-08 | 2021-10-15 | 江西农业大学 | Pneumatic auxiliary hole type seed metering wheel |
| CN115039542B (en) * | 2022-07-04 | 2024-02-09 | 海南大同岭农业科技发展有限公司 | Automatic seed sowing device and seed sowing method for agricultural planting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100456740B1 (en) * | 2002-10-17 | 2004-11-10 | 강우성 | planter |
| CN101283644B (en) * | 2008-04-25 | 2010-09-01 | 华南农业大学 | Vibrational flow type seeder |
| CN101292582B (en) * | 2008-06-17 | 2010-06-02 | 台州市科丰农机设备制造厂 | Air-suction air-blow drum-type rice industrial sprout cultivation planter |
| CN101317507A (en) * | 2008-07-01 | 2008-12-10 | 华南农业大学 | Pneumatic precision seeder |
| CN201657620U (en) * | 2009-11-27 | 2010-12-01 | 华中农业大学 | Centralized slotted hole wheeled type precise rape seeding device |
| CN102106211B (en) * | 2011-01-10 | 2012-02-01 | 淮海工学院 | Precise seeds sowing device for growing seedlings of aperture disk |
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