CN105144931B - A kind of aspirated-air type Radix Notoginseng precision seeder - Google Patents
A kind of aspirated-air type Radix Notoginseng precision seeder Download PDFInfo
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- CN105144931B CN105144931B CN201510572772.7A CN201510572772A CN105144931B CN 105144931 B CN105144931 B CN 105144931B CN 201510572772 A CN201510572772 A CN 201510572772A CN 105144931 B CN105144931 B CN 105144931B
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Abstract
The present invention relates to a kind of aspirated-air type Radix Notoginseng precision seeder, belong to agricultural machinery technological field.Sprocket wheel of the present invention is connected by fixing bolt with right end cap, hollow axle is arranged on the end cap of cylinder by bearing I, blower fan is connected with hollow axle one end, cylinder is provided with sprocket wheel outside right end cap and sprocket wheel is connected with hollow axle by bearing I, friction roller be arranged on cylinder bottom and with inner wall of rotary drum interference fit, bearing II is provided with friction roller, bearing II outer ring is cased with bearing holder (housing, cover), positive and reverse return governor motion is arranged between bearing holder (housing, cover) and hollow axle by installing hole II and bottom is connected with bearing holder (housing, cover), seed sucker is had on cylinder, bearing I is fixed by the shaft shoulder fixing bearing inner ring of jump ring fixing bearing outer ring and hollow axle, bearing I adopts skeleton oil seal, left end cap and right end cap are fixed with cylinder, seed hole sucting diameter is less than seed diameter.Use cost of the present invention is low, easy to operate, and to seed not damaged, seed viability is high.
Description
Technical field
The present invention relates to a kind of aspirated-air type Radix Notoginseng precision seeder, belong to agricultural machinery technological field.
Background technology
Yunnan mountain of papers is original producton location and the grown place of rare medicinal herbss Radix Notoginseng, Radix Notoginseng from wild get home kind experienced very long year
Month, enter 21 century, Radix Notoginseng produces and obtains development with rapid changepl. never-ending changes and improvements, formed scale, industrialized development general layout, but planted
In training technical process, still it is in the agro-farming craft stage, substantially do not have agricultural machinery to apply.In plantation and harvest season, because of the time
Short, workload is big, the climate and other natural phenomena of a season needless to say people it is necessary to complete plantation, harvesting work using a large amount of labours.The Radix Notoginseng sowing climate and other natural phenomena of a season is for 11 below the moon
Mid-January next year in ten days, workload is site preparation ridging, builds cool canopy, digs a pit, hole, etc., sows（Seed treatment is good）Cover Nutrition Soil, cover
Lid Folium Pini, water, present situation all peasants manual labour completes, high labor intensive, inefficiency, propulsion is realized Radix Notoginseng and produced
Mechanization is inexorable trend.
The cultivated area of Radix Notoginseng in 2015 has reached more than 500,000 mus, and Radix Notoginseng seeding method is mainly artificial dibbling, application rate
Up to 200,000/mu, the amount of labour is big, and recruitment cost is high, is therefore badly in need of development Radix Notoginseng precision drill and replaces artificial seeding.Seeding
Device is the core component of precision drill.
Existing mechanical planting technology is broadly divided into mechanical type and Pneumatic type sowing by seeding method；Mechanical type is to seed
Require higher, seed is damaged larger, easily cause the probability of replay, broadcast leakage and wound kind, be not suitable for this less rule of Radix Notoginseng
Seed crop.Negative pressure cylinder has the advantages such as structure is simple, but can cause, due to working long hours, the feelings that sealing property declines
Condition.The present invention is directed to this present situation, using parts such as positive and reverse return governor motion, outside framework oil seals, makes to because of long-term work
The situation that the sealing property becoming declines, is improved it is ensured that feed mechanism for seed has preferable service behaviour all the time.It is simultaneous for existing
Mechanical planting technology can not meet the requirement of Radix Notoginseng Precision Seeding, special develop the aspirated-air type three that a kind of utilization friction roller completely cuts off negative pressure
Seven precision seeders.
Content of the invention
It is an object of the invention to provide a kind of aspirated-air type Radix Notoginseng precision seeder, for solving existing apparatus, seed is damaged
Wound is larger, sealing property declines, the low deficiency of seed viability.
The technical scheme is that：A kind of aspirated-air type Radix Notoginseng precision seeder, including fixing bolt 1, sprocket wheel 2, hollow
Axle 3, outside framework oil seal 4, bearing I 5, jump ring 6, right end cap 7, positive and reverse return governor motion 8, bearing II 9, bearing holder (housing, cover) 10, friction roller 11,
Left end cap 12, blower fan 13, installing hole I 14, installing hole II 15, cylinder 16, seed sucker 17, suction hole 18；
Described sprocket wheel 2 is connected by fixing bolt 1 with right end cap 7, and hollow axle 3 is arranged on the end of cylinder 16 by bearing I 5
Lid（Left end cap 12 and right end cap 7）On, blower fan 13 is connected with hollow axle 3 one end, and hollow axle 3 other end passes through to weld round iron plate
Sealed, hollow axle 3 is had installing hole I 14, installing hole II 15 and suction hole 18, cylinder 16 is installed in right end cap 7 outside
Have sprocket wheel 2 and sprocket wheel 2 be connected with hollow axle 3 by bearing I 5, friction roller 11 be arranged on cylinder 16 bottom and with cylinder 16 inwall
Interference fit, friction roller 11 is provided with bearing II 9, and bearing II 9 outer ring is cased with bearing holder (housing, cover) 10, and positive and reverse return governor motion 8 passes through
Installing hole I 15 enters, and is arranged between bearing holder (housing, cover) 10 and hollow axle 3 by installing hole II 14 and bottom is connected with bearing holder (housing, cover) 10,
Seed sucker 17 is had on cylinder 16, bearing I 5 is solid by the shaft shoulder fixing bearing inner ring of jump ring 6 fixing bearing outer ring and hollow axle 3
Fixed, bearing I 5 is sealed using outside framework oil seal 4, and left end cap 12 and right end cap 7 are fixing with cylinder 16, and seed sucker 17 diameter is less than plants
Sub- diameter.
Described positive and reverse return governor motion 8 includes dextrorotation hexagonal screw rod 19, positive spin nut 20, derotation nut 21, derotation screw rod
22nd, hexagon hollow cylindrical iron 26；Wherein positive spin nut 20, derotation nut 21 pass through to be welded to connect with hexagon hollow cylindrical iron 26,
Rotate up-down adjustment, derotation screw rod 22 and the bearing that hexagon hollow cylindrical iron 26 realizes dextrorotation hexagonal screw rod 19 and derotation screw rod 22
Set 10 connection.
Described derotation screw rod 22 is connected with bearing holder (housing, cover) 10 using welding manner.
Described left end cap 12 and right end cap 7 are fixed using counterbore screw with cylinder 16.
The material of described friction roller 11 is rubber.
The work process of the present invention is：
Sprocket wheel 2 is rotated and drives right end cap 7 to be rotated with cylinder 16, and blower fan 13 extracts the air of cylinder intracavity, in cylinder intracavity
Form negative pressure, friction roller（Rubber axis）11 are tightly pressed against inner wall of rotary drum by bearing II 9, bearing holder (housing, cover) 10, positive and reverse return governor motion 8
On, this region is referred to as negative pressuren zone.Seed in kind of case 23 about negative pressure under be attracted in the seed sucker 17 of cylinder, with rolling
Cylinder rotates, together when adsorbed seed 24 goes to friction roller with cylinder（Rubber axis）During 11 lower section, friction roller（Rubber axis）11
Serve the effect of isolation negative pressure so that negative pressure disappears.Due to seeds self gravity and centrifugal action, seed is from cylinder seed
Come off in sucker 17, realize precise sowing.
Wherein, friction roller（Rubber axis）11 two ends set upper bearing (metal)s II 9 and bearing holder (housing, cover) 10, using rolling friction principle, work as rolling
Cylinder 16 drives friction roller when rotating（Rubber axis）11 rotations, friction roller simultaneously（Rubber axis）11 rotations, both realize to roller.Work as kind
Son and cylinder turn to friction roller（Rubber axis）11 lower section when, because negative pressure is isolated, seed be subject to self gravitation effect, and from
In the presence of mental and physical efforts, the seed 25 that will come off completes work of charging seed.
When drum functions for a period of time after it may appear that the leakage of certain gas, now can open the end of cylinder 16 both sides
Lid, is adjusted to this positive and reverse return governor motion 8, rotates hexagon hollow cylindrical iron 26, just can achieve top dextrorotation hexagonal screw rod
19 with the regulation of the distance between lower section derotation screw rod 22 it is ensured that the good air-tightness of drums inside.
The invention has the beneficial effects as follows：
1st, this feed mechanism for seed adopts friction roller（Rubber axis）With inner wall of rotary drum interference fit, using rolling friction principle so that
Both realize to roller.Wherein, friction roller（Rubber axis）Serve the effect of negative pressure in isolation cylinder, be easy to seed and lose negative pressure work
With being fallen using self gravitation and completing to charge seed.
2nd, this feed mechanism for seed adopts positive and reverse return governor motion, by friction roller（Rubber axis）It is adjacent to inner wall of rotary drum, friction roller（Rubber
Axle）With inner wall of rotary drum interference fit.After feed mechanism for seed work certain time, two end caps in left and right can be opened, adjust this structure,
Just friction roller can be made（Rubber axis）Press inner wall of rotary drum again, form good sealing effectiveness.
3rd, adopt outside framework oil seal with the bearing of hollow axle assembling in this feed mechanism for seed, structure is simple, and sealing is good.Skeleton oil
Oil in envelope not only acts as sealing function, can also provide lubrication for the ball in bearing.
4th, this feed mechanism for seed has that structure is simple, and seed is easy to fall off, the advantages of do not block sucker.
5th, the design of this feed mechanism for seed is simple, is easy to assembling processing, and use cost is low, easy to operate, and to seed not damaged, plants
Sub- survival rate is high.
Brief description
Fig. 1 is assembling and the partial sectional view of the present invention；
Fig. 2 is friction roller of the present invention（Rubber axis）Cooperation schematic diagram with inner wall of rotary drum；
Fig. 3 is positive and reverse return adjustment structure schematic diagram of the present invention；
Fig. 4 is the overall work principle schematic of the present invention；
The each label of in figure：1- fixing bolt, 2- sprocket wheel, 3- hollow axle, 4- outside framework oil seal, 5- bearing I, 6- jump ring, 7- is right
End cap, 8- positive and reverse return governor motion, 9- bearing II, 10- bearing holder (housing, cover), 11- friction roller, 12- left end cap, 13- blower fan, 14- installs
Hole I, 15- installing hole II, 16- cylinder, 17- seed sucker, 18- suction hole, 19- dextrorotation hexagonal screw rod, the positive spin nut of 20-, 21-
Derotation nut, 22- derotation screw rod, 23- kind case, the seed that 24- is adsorbed, the seed that 25- will come off, 26- hexagon hollow ferrum
Cylinder.
Specific embodiment
Embodiment 1：As Figure 1-4, a kind of aspirated-air type Radix Notoginseng precision seeder, including fixing bolt 1, sprocket wheel 2, hollow
Axle 3, outside framework oil seal 4, bearing I 5, jump ring 6, right end cap 7, positive and reverse return governor motion 8, bearing II 9, bearing holder (housing, cover) 10, friction roller 11,
Left end cap 12, blower fan 13, installing hole I 14, installing hole II 15, cylinder 16, seed sucker 17, suction hole 18；
Described sprocket wheel 2 is connected by fixing bolt 1 with right end cap 7, and hollow axle 3 is arranged on the end of cylinder 16 by bearing I 5
Cover, blower fan 13 is connected with hollow axle 3 one end, hollow axle 3 other end is sealed by welding iron plate, and hollow axle 3 has
Installing hole I 14, installing hole II 15 and suction hole 18, cylinder 16 is provided with sprocket wheel 2 outside right end cap 7 and sprocket wheel 2 passes through bearing I
5 are connected with hollow axle 3, friction roller 11 be arranged on cylinder 16 bottom and with cylinder 16 inwall interference fit, on friction roller 11 install
There is bearing II 9, bearing II 9 outer ring is cased with bearing holder (housing, cover) 10, positive and reverse return governor motion 8 enters through installing hole I 15, by installing hole
II 14 are arranged between bearing holder (housing, cover) 10 and hollow axle 3 and bottom is connected with bearing holder (housing, cover) 10, and cylinder 16 has seed sucker 17, axle
Hold I 5 to be fixed by the shaft shoulder fixing bearing inner ring of jump ring 6 fixing bearing outer ring and hollow axle 3, bearing I 5 adopts outside framework oil seal 4 close
Envelope, left end cap 12 and right end cap 7 are fixing with cylinder 16, and seed sucker 17 diameter is less than seed diameter.
Described positive and reverse return governor motion 8 includes dextrorotation hexagonal screw rod 19, positive spin nut 20, derotation nut 21, derotation screw rod
22nd, hexagon hollow cylindrical iron 26；Wherein positive spin nut 20, derotation nut 21 pass through to be welded to connect with hexagon hollow cylindrical iron 26,
Rotate up-down adjustment, derotation screw rod 22 and the bearing that hexagon hollow cylindrical iron 26 realizes dextrorotation hexagonal screw rod 19 and derotation screw rod 22
Set 10 connection.
Described derotation screw rod 22 is connected with bearing holder (housing, cover) 10 using welding manner.
Described left end cap 12 and right end cap 7 are fixed using counterbore screw with cylinder 16.
The material of described friction roller 11 is rubber.
Embodiment 2：As Figure 1-4, a kind of aspirated-air type Radix Notoginseng precision seeder, including fixing bolt 1, sprocket wheel 2, hollow
Axle 3, outside framework oil seal 4, bearing I 5, jump ring 6, right end cap 7, positive and reverse return governor motion 8, bearing II 9, bearing holder (housing, cover) 10, friction roller 11,
Left end cap 12, blower fan 13, installing hole I 14, installing hole II 15, cylinder 16, seed sucker 17, suction hole 18；
Described sprocket wheel 2 is connected by fixing bolt 1 with right end cap 7, and hollow axle 3 is arranged on the end of cylinder 16 by bearing I 5
Cover, blower fan 13 is connected with hollow axle 3 one end, hollow axle 3 other end is sealed by welding iron plate, and hollow axle 3 has
Installing hole I 14, installing hole II 15 and suction hole 18, cylinder 16 is provided with sprocket wheel 2 outside right end cap 7 and sprocket wheel 2 passes through bearing I
5 are connected with hollow axle 3, friction roller 11 be arranged on cylinder 16 bottom and with cylinder 16 inwall interference fit, on friction roller 11 install
There is bearing II 9, bearing II 9 outer ring is cased with bearing holder (housing, cover) 10, positive and reverse return governor motion 8 enters through installing hole I 15, by installing hole
II 14 are arranged between bearing holder (housing, cover) 10 and hollow axle 3 and bottom is connected with bearing holder (housing, cover) 10, and cylinder 16 has seed sucker 17, axle
Hold I 5 to be fixed by the shaft shoulder fixing bearing inner ring of jump ring 6 fixing bearing outer ring and hollow axle 3, bearing I 5 adopts outside framework oil seal 4 close
Envelope, left end cap 12 and right end cap 7 are fixing with cylinder 16, and seed sucker 17 diameter is less than seed diameter.
Described positive and reverse return governor motion 8 includes dextrorotation hexagonal screw rod 19, positive spin nut 20, derotation nut 21, derotation screw rod
22nd, hexagon hollow cylindrical iron 26；Wherein positive spin nut 20, derotation nut 21 pass through to be welded to connect with hexagon hollow cylindrical iron 26,
Rotate up-down adjustment, derotation screw rod 22 and the bearing that hexagon hollow cylindrical iron 26 realizes dextrorotation hexagonal screw rod 19 and derotation screw rod 22
Set 10 connection.
Described left end cap 12 and right end cap 7 are fixed using counterbore screw with cylinder 16.
The material of described friction roller 11 is rubber.
Embodiment 3：As Figure 1-4, a kind of aspirated-air type Radix Notoginseng precision seeder, including fixing bolt 1, sprocket wheel 2, hollow
Axle 3, outside framework oil seal 4, bearing I 5, jump ring 6, right end cap 7, positive and reverse return governor motion 8, bearing II 9, bearing holder (housing, cover) 10, friction roller 11,
Left end cap 12, blower fan 13, installing hole I 14, installing hole II 15, cylinder 16, seed sucker 17, suction hole 18；
Described sprocket wheel 2 is connected by fixing bolt 1 with right end cap 7, and hollow axle 3 is arranged on the end of cylinder 16 by bearing I 5
Cover, blower fan 13 is connected with hollow axle 3 one end, hollow axle 3 other end is sealed by welding iron plate, and hollow axle 3 has
Installing hole I 14, installing hole II 15 and suction hole 18, cylinder 16 is provided with sprocket wheel 2 outside right end cap 7 and sprocket wheel 2 passes through bearing I
5 are connected with hollow axle 3, friction roller 11 be arranged on cylinder 16 bottom and with cylinder 16 inwall interference fit, on friction roller 11 install
There is bearing II 9, bearing II 9 outer ring is cased with bearing holder (housing, cover) 10, positive and reverse return governor motion 8 enters through installing hole I 15, by installing hole
II 14 are arranged between bearing holder (housing, cover) 10 and hollow axle 3 and bottom is connected with bearing holder (housing, cover) 10, and cylinder 16 has seed sucker 17, axle
Hold I 5 to be fixed by the shaft shoulder fixing bearing inner ring of jump ring 6 fixing bearing outer ring and hollow axle 3, bearing I 5 adopts outside framework oil seal 4 close
Envelope, left end cap 12 and right end cap 7 are fixing with cylinder 16, and seed sucker 17 diameter is less than seed diameter.
Described left end cap 12 and right end cap 7 are fixed using counterbore screw with cylinder 16.
The material of described friction roller 11 is rubber.
Embodiment 4：As Figure 1-4, a kind of aspirated-air type Radix Notoginseng precision seeder, including fixing bolt 1, sprocket wheel 2, hollow
Axle 3, outside framework oil seal 4, bearing I 5, jump ring 6, right end cap 7, positive and reverse return governor motion 8, bearing II 9, bearing holder (housing, cover) 10, friction roller 11,
Left end cap 12, blower fan 13, installing hole I 14, installing hole II 15, cylinder 16, seed sucker 17, suction hole 18；
Described sprocket wheel 2 is connected by fixing bolt 1 with right end cap 7, and hollow axle 3 is arranged on the end of cylinder 16 by bearing I 5
Cover, blower fan 13 is connected with hollow axle 3 one end, hollow axle 3 other end is sealed by welding iron plate, and hollow axle 3 has
Installing hole I 14, installing hole II 15 and suction hole 18, cylinder 16 is provided with sprocket wheel 2 outside right end cap 7 and sprocket wheel 2 passes through bearing I
5 are connected with hollow axle 3, friction roller 11 be arranged on cylinder 16 bottom and with cylinder 16 inwall interference fit, on friction roller 11 install
There is bearing II 9, bearing II 9 outer ring is cased with bearing holder (housing, cover) 10, positive and reverse return governor motion 8 enters through installing hole I 15, by installing hole
II 14 are arranged between bearing holder (housing, cover) 10 and hollow axle 3 and bottom is connected with bearing holder (housing, cover) 10, and cylinder 16 has seed sucker 17, axle
Hold I 5 to be fixed by the shaft shoulder fixing bearing inner ring of jump ring 6 fixing bearing outer ring and hollow axle 3, bearing I 5 adopts outside framework oil seal 4 close
Envelope, left end cap 12 and right end cap 7 are fixing with cylinder 16, and seed sucker 17 diameter is less than seed diameter.
Described positive and reverse return governor motion 8 includes dextrorotation hexagonal screw rod 19, positive spin nut 20, derotation nut 21, derotation screw rod
22nd, hexagon hollow cylindrical iron 26；Wherein positive spin nut 20, derotation nut 21 pass through to be welded to connect with hexagon hollow cylindrical iron 26,
Rotate up-down adjustment, derotation screw rod 22 and the bearing that hexagon hollow cylindrical iron 26 realizes dextrorotation hexagonal screw rod 19 and derotation screw rod 22
Set 10 connection.
Described derotation screw rod 22 is connected with bearing holder (housing, cover) 10 using welding manner.
Embodiment 5：As Figure 1-4, a kind of aspirated-air type Radix Notoginseng precision seeder, including fixing bolt 1, sprocket wheel 2, hollow
Axle 3, outside framework oil seal 4, bearing I 5, jump ring 6, right end cap 7, positive and reverse return governor motion 8, bearing II 9, bearing holder (housing, cover) 10, friction roller 11,
Left end cap 12, blower fan 13, installing hole I 14, installing hole II 15, cylinder 16, seed sucker 17, suction hole 18；
Described sprocket wheel 2 is connected by fixing bolt 1 with right end cap 7, and hollow axle 3 is arranged on the end of cylinder 16 by bearing I 5
Cover, blower fan 13 is connected with hollow axle 3 one end, hollow axle 3 other end is sealed by welding iron plate, and hollow axle 3 has
Installing hole I 14, installing hole II 15 and suction hole 18, cylinder 16 is provided with sprocket wheel 2 outside right end cap 7 and sprocket wheel 2 passes through bearing I
5 are connected with hollow axle 3, friction roller 11 be arranged on cylinder 16 bottom and with cylinder 16 inwall interference fit, on friction roller 11 install
There is bearing II 9, bearing II 9 outer ring is cased with bearing holder (housing, cover) 10, positive and reverse return governor motion 8 enters through installing hole I 15, by installing hole
II 14 are arranged between bearing holder (housing, cover) 10 and hollow axle 3 and bottom is connected with bearing holder (housing, cover) 10, and cylinder 16 has seed sucker 17, axle
Hold I 5 to be fixed by the shaft shoulder fixing bearing inner ring of jump ring 6 fixing bearing outer ring and hollow axle 3, bearing I 5 adopts outside framework oil seal 4 close
Envelope, left end cap 12 and right end cap 7 are fixing with cylinder 16, and seed sucker 17 diameter is less than seed diameter.
Described positive and reverse return governor motion 8 includes dextrorotation hexagonal screw rod 19, positive spin nut 20, derotation nut 21, derotation screw rod
22nd, hexagon hollow cylindrical iron 26；Wherein positive spin nut 20, derotation nut 21 pass through to be welded to connect with hexagon hollow cylindrical iron 26,
Rotate up-down adjustment, derotation screw rod 22 and the bearing that hexagon hollow cylindrical iron 26 realizes dextrorotation hexagonal screw rod 19 and derotation screw rod 22
Set 10 connection.
Described left end cap 12 and right end cap 7 are fixed using counterbore screw with cylinder 16.
Embodiment 6：As Figure 1-4, a kind of aspirated-air type Radix Notoginseng precision seeder, including fixing bolt 1, sprocket wheel 2, hollow
Axle 3, outside framework oil seal 4, bearing I 5, jump ring 6, right end cap 7, positive and reverse return governor motion 8, bearing II 9, bearing holder (housing, cover) 10, friction roller 11,
Left end cap 12, blower fan 13, installing hole I 14, installing hole II 15, cylinder 16, seed sucker 17, suction hole 18；
Described sprocket wheel 2 is connected by fixing bolt 1 with right end cap 7, and hollow axle 3 is arranged on the end of cylinder 16 by bearing I 5
Cover, blower fan 13 is connected with hollow axle 3 one end, hollow axle 3 other end is sealed by welding iron plate, and hollow axle 3 has
Installing hole I 14, installing hole II 15 and suction hole 18, cylinder 16 is provided with sprocket wheel 2 outside right end cap 7 and sprocket wheel 2 passes through bearing I
5 are connected with hollow axle 3, friction roller 11 be arranged on cylinder 16 bottom and with cylinder 16 inwall interference fit, on friction roller 11 install
There is bearing II 9, bearing II 9 outer ring is cased with bearing holder (housing, cover) 10, positive and reverse return governor motion 8 enters through installing hole I 15, by installing hole
II 14 are arranged between bearing holder (housing, cover) 10 and hollow axle 3 and bottom is connected with bearing holder (housing, cover) 10, and cylinder 16 has seed sucker 17, axle
Hold I 5 to be fixed by the shaft shoulder fixing bearing inner ring of jump ring 6 fixing bearing outer ring and hollow axle 3, bearing I 5 adopts outside framework oil seal 4 close
Envelope, left end cap 12 and right end cap 7 are fixing with cylinder 16, and seed sucker 17 diameter is less than seed diameter.
The material of described friction roller 11 is rubber.
Embodiment 7：As Figure 1-4, a kind of aspirated-air type Radix Notoginseng precision seeder, including fixing bolt 1, sprocket wheel 2, hollow
Axle 3, outside framework oil seal 4, bearing I 5, jump ring 6, right end cap 7, positive and reverse return governor motion 8, bearing II 9, bearing holder (housing, cover) 10, friction roller 11,
Left end cap 12, blower fan 13, installing hole I 14, installing hole II 15, cylinder 16, seed sucker 17, suction hole 18；
Described sprocket wheel 2 is connected by fixing bolt 1 with right end cap 7, and hollow axle 3 is arranged on the end of cylinder 16 by bearing I 5
Cover, blower fan 13 is connected with hollow axle 3 one end, hollow axle 3 other end is sealed by welding iron plate, and hollow axle 3 has
Installing hole I 14, installing hole II 15 and suction hole 18, cylinder 16 is provided with sprocket wheel 2 outside right end cap 7 and sprocket wheel 2 passes through bearing I
5 are connected with hollow axle 3, friction roller 11 be arranged on cylinder 16 bottom and with cylinder 16 inwall interference fit, on friction roller 11 install
There is bearing II 9, bearing II 9 outer ring is cased with bearing holder (housing, cover) 10, positive and reverse return governor motion 8 enters through installing hole I 15, by installing hole
II 14 are arranged between bearing holder (housing, cover) 10 and hollow axle 3 and bottom is connected with bearing holder (housing, cover) 10, and cylinder 16 has seed sucker 17, axle
Hold I 5 to be fixed by the shaft shoulder fixing bearing inner ring of jump ring 6 fixing bearing outer ring and hollow axle 3, bearing I 5 adopts outside framework oil seal 4 close
Envelope, left end cap 12 and right end cap 7 are fixing with cylinder 16, and seed sucker 17 diameter is less than seed diameter.
Described positive and reverse return governor motion 8 includes dextrorotation hexagonal screw rod 19, positive spin nut 20, derotation nut 21, derotation screw rod
22nd, hexagon hollow cylindrical iron 26；Wherein positive spin nut 20, derotation nut 21 pass through to be welded to connect with hexagon hollow cylindrical iron 26,
Rotate up-down adjustment, derotation screw rod 22 and the bearing that hexagon hollow cylindrical iron 26 realizes dextrorotation hexagonal screw rod 19 and derotation screw rod 22
Set 10 connection.
Embodiment 8：As Figure 1-4, a kind of aspirated-air type Radix Notoginseng precision seeder, including fixing bolt 1, sprocket wheel 2, hollow
Axle 3, outside framework oil seal 4, bearing I 5, jump ring 6, right end cap 7, positive and reverse return governor motion 8, bearing II 9, bearing holder (housing, cover) 10, friction roller 11,
Left end cap 12, blower fan 13, installing hole I 14, installing hole II 15, cylinder 16, seed sucker 17, suction hole 18；
Described sprocket wheel 2 is connected by fixing bolt 1 with right end cap 7, and hollow axle 3 is arranged on the end of cylinder 16 by bearing I 5
Cover, blower fan 13 is connected with hollow axle 3 one end, hollow axle 3 other end is sealed by welding iron plate, and hollow axle 3 has
Installing hole I 14, installing hole II 15 and suction hole 18, cylinder 16 is provided with sprocket wheel 2 outside right end cap 7 and sprocket wheel 2 passes through bearing I
5 are connected with hollow axle 3, friction roller 11 be arranged on cylinder 16 bottom and with cylinder 16 inwall interference fit, on friction roller 11 install
There is bearing II 9, bearing II 9 outer ring is cased with bearing holder (housing, cover) 10, positive and reverse return governor motion 8 enters through installing hole I 15, by installing hole
II 14 are arranged between bearing holder (housing, cover) 10 and hollow axle 3 and bottom is connected with bearing holder (housing, cover) 10, and cylinder 16 has seed sucker 17, axle
Hold I 5 to be fixed by the shaft shoulder fixing bearing inner ring of jump ring 6 fixing bearing outer ring and hollow axle 3, bearing I 5 adopts outside framework oil seal 4 close
Envelope, left end cap 12 and right end cap 7 are fixing with cylinder 16, and seed sucker 17 diameter is less than seed diameter.
Described left end cap 12 and right end cap 7 are fixed using counterbore screw with cylinder 16.
Embodiment 9：As Figure 1-4, a kind of aspirated-air type Radix Notoginseng precision seeder, including fixing bolt 1, sprocket wheel 2, hollow
Axle 3, outside framework oil seal 4, bearing I 5, jump ring 6, right end cap 7, positive and reverse return governor motion 8, bearing II 9, bearing holder (housing, cover) 10, friction roller 11,
Left end cap 12, blower fan 13, installing hole I 14, installing hole II 15, cylinder 16, seed sucker 17, suction hole 18；
Described sprocket wheel 2 is connected by fixing bolt 1 with right end cap 7, and hollow axle 3 is arranged on the end of cylinder 16 by bearing I 5
Cover, blower fan 13 is connected with hollow axle 3 one end, hollow axle 3 other end is sealed by welding iron plate, and hollow axle 3 has
Installing hole I 14, installing hole II 15 and suction hole 18, cylinder 16 is provided with sprocket wheel 2 outside right end cap 7 and sprocket wheel 2 passes through bearing I
5 are connected with hollow axle 3, friction roller 11 be arranged on cylinder 16 bottom and with cylinder 16 inwall interference fit, on friction roller 11 install
There is bearing II 9, bearing II 9 outer ring is cased with bearing holder (housing, cover) 10, positive and reverse return governor motion 8 enters through installing hole I 15, by installing hole
II 14 are arranged between bearing holder (housing, cover) 10 and hollow axle 3 and bottom is connected with bearing holder (housing, cover) 10, and cylinder 16 has seed sucker 17, axle
Hold I 5 to be fixed by the shaft shoulder fixing bearing inner ring of jump ring 6 fixing bearing outer ring and hollow axle 3, bearing I 5 adopts outside framework oil seal 4 close
Envelope, left end cap 12 and right end cap 7 are fixing with cylinder 16, and seed sucker 17 diameter is less than seed diameter.
Above in conjunction with accompanying drawing, the specific embodiment of the present invention is explained in detail, but the present invention be not limited to above-mentioned
Embodiment, in the ken that those of ordinary skill in the art possess, can also be before without departing from present inventive concept
Put that various changes can be made.
Claims (2)
1. a kind of aspirated-air type Radix Notoginseng precision seeder it is characterised in that：Including fixing bolt（1）, sprocket wheel（2）, hollow axle（3）、
Outside framework oil seal（4）, bearing I（5）, jump ring（6）, right end cap（7）, positive and reverse return governor motion（8）, bearing II（9）, bearing holder (housing, cover)
（10）, friction roller（11）, left end cap（12）, blower fan（13）, installing hole I（14）, installing hole II（15）, cylinder（16）, seed inhale
Hole（17）, suction hole（18）；
Described sprocket wheel（2）With right end cap（7）By fixing bolt（1）Connect, hollow axle（3）By bearing I（5）It is arranged on cylinder
（16）End cap on, blower fan（13）With hollow axle（3）One end connects, hollow axle（3）The other end is sealed by welding iron plate,
Hollow axle（3）On have installing hole I（14）, installing hole II（15）And suction hole（18）, cylinder（16）In right end cap（7）Outside peace
Equipped with sprocket wheel（2）And sprocket wheel（2）By bearing I（5）With hollow axle（3）Connect, friction roller（11）It is arranged on cylinder（16）Bottom
And and cylinder（16）Inwall interference fit, friction roller（11）On bearing II is installed（9）, bearing II（9）Outer ring is cased with bearing holder (housing, cover)
（10）, positive and reverse return governor motion（8）Through installing hole II（15）Enter, by installing hole I（14）It is arranged on bearing holder (housing, cover)（10）With
Hollow axle（3）Between and bottom and bearing holder (housing, cover)（10）Connect, cylinder（16）On have seed sucker（17）, bearing I（5）Consolidate
Fixed：By jump ring（6）Fixing bearing outer ring and hollow axle（3）Shaft shoulder fixing bearing inner ring, bearing I（5）Using outside framework oil seal（4）
Sealing, left end cap（12）And right end cap（7）With cylinder（16）Fixing, seed sucker（17）Diameter is less than seed diameter；
Described positive and reverse return governor motion（8）Including dextrorotation hexagonal screw rod（19）, positive spin nut（20）, derotation nut（21）, derotation
Screw rod（22）, hexagon hollow cylindrical iron（26）；Wherein positive spin nut（20）, derotation nut（21）With hexagon hollow cylindrical iron（26）
By being welded to connect, rotate hexagon hollow cylindrical iron（26）Realize dextrorotation hexagonal screw rod（19）With derotation screw rod（22）Upper downward
Section, derotation screw rod（22）With bearing holder (housing, cover)（10）Connect；
Described left end cap（12）And right end cap（7）With cylinder（16）Fixed using counterbore screw；
Described friction roller（11）Material be rubber.
2. aspirated-air type Radix Notoginseng precision seeder according to claim 1 it is characterised in that：Described derotation screw rod（22）Using
Welding manner and bearing holder (housing, cover)（10）Connect.
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| CN106612788A (en) * | 2017-02-17 | 2017-05-10 | 山东省农业机械科学研究院 | Air-suction seed suction roller type wide-seedling-zone wheat seed sowing device |
| CN107771455B (en) * | 2017-11-30 | 2023-01-20 | 连金玉 | Air suction roller device of seed tape knitting machine |
| CN107996094A (en) * | 2018-01-05 | 2018-05-08 | 昆明理工大学 | A kind of aspirated-air type pseudo-ginseng seedling orients seedling taking device |
| CN110036726A (en) * | 2018-01-16 | 2019-07-23 | 南京工业大学 | Hemispherical green vegetables seed metering device suction nozzle |
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