CN112970389A - Active seed feeding method and device of large-particle-size seed sowing device - Google Patents
Active seed feeding method and device of large-particle-size seed sowing device Download PDFInfo
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- CN112970389A CN112970389A CN202110138712.XA CN202110138712A CN112970389A CN 112970389 A CN112970389 A CN 112970389A CN 202110138712 A CN202110138712 A CN 202110138712A CN 112970389 A CN112970389 A CN 112970389A
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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
- A01C7/085—Broadcast seeders
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
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Abstract
An active seed feeding method and device of a seed sowing device for large-particle-size seeds, wherein the method comprises the following steps: providing a spiral feeder, measuring the material characteristics of the seeds with large particle size, and adjusting the parameters of the spiral feeder according to the material characteristics; forming a multi-layer seed filling area, driving a feeding barrel of the spiral feeding device to rotate periodically, feeding seeds with large particle size from an upper barrel opening of the feeding barrel, and enabling the fed seeds with large particle size to fall onto the surface of each layer of spiral blades of the spiral feeding device to form the multi-layer seed filling area; and the flowability of the seeds is enhanced, and the seeds with large particle size are actively fed into a seed sowing chain along the surface of the helical blade under the self-rotating action of the seed feeding cylinder and the helical blade so as to be convenient for the seed sowing device to take seeds. The invention also provides an active feeding device of the large-particle-size seed sowing device for feeding seeds by adopting the active feeding method of the large-particle-size seed sowing device.
Description
Technical Field
The invention relates to an agricultural mechanical seeding technology, in particular to an active feeding method and device of a large-particle-size seed seeding device.
Background
The large-particle-size seeds generally refer to seeds with an average diameter of more than 6mm, and common large-particle-size seed crops include potatoes, yam beans, taros, jerusalem artichoke, water chestnuts, arrowheads, garlic, tulips and the like. The large-grain-size seed crop is a sunrise industry with large development potential and good market prospect, and occupies an important position in the crop planting of China.
At present, the sowing mode of the large-grain-size seeds is mainly manual or semi-mechanical operation, the production efficiency is low, the labor intensity is high, the operation cost is high, the miss-sowing rate is high, the labor amount for field management is large, and the low sowing mechanization degree becomes a bottleneck which restricts the industrialized development of the large-grain-size seed crops. The main structural forms for seed sowing of large-particle-size seeds include a scoop type, a differential conveyor belt type and an air suction type, wherein the scoop type seed sowing device is most widely applied, has the advantages of simple structure, high reliability, low re-leakage sowing rate, good plant spacing uniformity and the like, but has certain technical limitation, and when large-particle-size seeds are accumulated in a seed box, the problems of arching, blockage, damage and the like are easily formed. Therefore, the problems of arching, blocking and damage in the process of filling and taking seeds with large-particle-size seeds are solved, the miss-seeding rate is reduced, and the efficiency is improved, which is an important development direction of the seed sowing technology of the large-particle-size seeds in the future.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an active feeding method and device for a large-diameter seed seeding apparatus, aiming at the above problems in the prior art.
In order to achieve the above object, the present invention provides an active feeding method for a large-particle-size seed metering device, wherein the method comprises the following steps:
s100, providing a spiral feeder, measuring the material characteristics of seeds with large particle sizes, and adjusting the parameters of the spiral feeder according to the material characteristics;
s200, forming a multilayer seed filling area, driving a feeding cylinder of the spiral seed feeder to periodically rotate, feeding seeds with large particle size from an upper cylinder opening of the feeding cylinder, and enabling the fed seeds with large particle size to fall onto the surface of each layer of spiral blades of the spiral seed feeder to form the multilayer seed filling area; and
s300, enhancing the fluidity of seeds, and actively feeding the seeds with large particle size into a seed sowing chain along the surface of the helical blade under the self rotation action of the seed feeding barrel and the helical blade so as to be convenient for the seed sowing device to take seeds.
The active feeding method of the large-particle-size seed metering device further comprises the following steps:
s400, repeatedly measuring the material characteristics of the seeds with the large particle sizes for different seeds with the large particle sizes, and adjusting the parameters of the spiral feeding device according to the material characteristics so as to improve the seed sowing efficiency of the seeds with the large particle sizes and reduce the re-leakage sowing rate.
The active feeding method of the large-particle-size seed seeding device comprises the steps that the material characteristics of the large-particle-size seeds comprise physical characteristics and mechanical characteristics, the physical characteristics comprise the major diameter, the minor diameter, the height, the density and the water content of the large-particle-size seeds, and the mechanical characteristics comprise a sliding friction coefficient, a rolling friction coefficient and an angle of repose.
The active feeding method of the large-particle-size seed sowing device is characterized in that the parameters of the spiral feeding device comprise the height of a feeding cylinder, a spiral lead angle, the inner diameter and the outer diameter of a spiral and the rotating speed of a rotary motor.
The active feeding method of the large-particle-size seed metering device, wherein in the step S200, the forming of the multilayer seed filling area further comprises:
the volume of the seed filling area is determined by the cross-sectional area of a seed layer, the pitch and the length of a helical blade of the large-particle-size seed when the large-particle-size seed is filled in the seed filling area; the cross-sectional area S of the seed layer is calculated by adopting the following formula:
the volume V of the seed-filling area of each layer is calculated by the following formula:
each layer of seed filling area has equal volume, and the multilayer seed filling area has volume VzComprises the following steps: vz＝mV，
Wherein m is the number of layers; d is the outer diameter of the helical blade, and the unit is mm; λ is the fill factor; l is the length of the helical blade and is in mm; l is the pitch of the helical blade in mm.
The active feeding method of the large-particle-size seed metering device, wherein in step S300, the enhancing the seed flowability further comprises:
the circular motion speed v of the seeds A with large grain diameter at the position r away from the central line of the rotating shaft of the feeding cylinder1Calculated using the following formula:
the axial movement velocity v of the large-particle-size seeds A2Calculated using the following formula:
the speed v of the large-particle-size seeds A is as follows:
mu is the coefficient of friction of the large-particle-size seed A and the helical surface of the helical blade; r is the radius distance of the large-particle-size seeds A from the axis of the rotating shaft of the seed feeding barrel, and the unit is m; l is the pitch of the helical blade, and the unit is m; and n is the spiral rotating speed of the spiral blade, and the unit is r/min.
The active feeding method of the large-particle-size seed sowing device, wherein in step S100, adjusting the parameters of the spiral feeding device further comprises:
the height h of the seed feeding cylinder is as follows: h is more than 1.2L and less than 1.5L; the helix angle is: alpha is less than or equal to 90-theta; the spiral outer diameter d is as follows:
the inner diameter d of the spiral1Comprises the following steps: 1.1x is not more than d1≤1.2x；
The pitch of the helical blade is as follows: k ═ K1d；
The spiral rotating speed n of the spiral blade is as follows:
wherein L is the length of the helical blade and the unit is mm; alpha is a helix angle, theta is a friction angle of the seeds with large particle size, K is a material characteristic parameter, Q is conveying capacity with the unit of t/h, lambda is a filling coefficient, epsilon is an inclination coefficient, and K1The coefficient of proportionality of the diameter of the helical blade and the pitch of the helical blade is shown, beta is an included angle between the absolute movement speed of the large-particle-size seed and a horizontal line, f is a friction coefficient between the large-particle-size seed and a shell of the helical seed feeding device, and x is the short diameter of the large-particle-size seed and the unit is mm.
In order to better achieve the aim, the invention also provides an active feeding device of the large-particle-size seed sowing device, wherein the active feeding method of the large-particle-size seed sowing device is adopted for seed feeding.
The active seed feeding device of the large-particle-size seed sowing device comprises a spiral seed feeding device, wherein the spiral seed feeding device comprises a seed feeding barrel, a spiral blade, a bottom hopper and a rotary motor, and the spiral blade is connected with the barrel wall of the seed feeding barrel through a supporting block; the feeding cylinder comprises an upper cylinder opening and a lower cylinder opening, the upper cylinder opening is used for feeding seeds with large particle size, the lower cylinder opening is connected with the bottom funnel, the bottom funnel is connected with the rotary motor, the bottom end of the spiral blade corresponds to the inlet of the bottom funnel, and the axis of the feeding cylinder, the spiral blade and the bottom funnel is coaxial with the rotary axis of the rotary motor.
The active seed feeding device of the large-particle-size seed metering device is characterized in that the surface of the seed feeding barrel is provided with holes according to a spiral line, one end of the supporting block is sequentially connected with the holes through bolts, mounting holes are formed in the blade surface of the spiral blade corresponding to the holes, and the other end of the supporting block is connected with the mounting holes through bolts.
The invention has the technical effects that:
the active feeding method and the device can be effectively matched, and adopt the mode of spiral uniform distribution and rotary feeding, thereby realizing the effects of simultaneously enlarging a high-efficiency seed filling area and enhancing the seed fluidity, reducing the seed leakage rate and the damage rate of the large-particle-size seed machine and improving the seed discharging performance.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
FIG. 1 is a schematic diagram of a spiral feeder according to an embodiment of the present invention;
FIG. 2 is a schematic view of a feeding tube according to an embodiment of the present invention;
FIG. 3 is a schematic view of a seed charging area according to an embodiment of the present invention;
fig. 4 is a schematic diagram of the moving speed of the large-diameter seed according to an embodiment of the present invention.
Wherein the reference numerals
1 feeding seed cylinder
11 upper cylinder mouth
12 lower nozzle
13 open pores
2 support block
3 helical blade
4 bottom funnel
5 Rotary electric machine
6 seed filling area
Detailed Description
The invention will be described in detail with reference to the following drawings, which are provided for illustration purposes and the like:
the active seed feeding method of the large-particle-size seed seeding device comprises the following steps:
step S100, providing a spiral seed feeder, measuring the material characteristics of seeds with large particle sizes, and adjusting the parameters of the spiral seed feeder according to the material characteristics; the material characteristics of the large-particle-size seeds can comprise physical characteristics and mechanical characteristics, wherein the physical characteristics comprise the long diameter, the short diameter, the height, the density, the water content and the like of the large-particle-size seeds, and the mechanical characteristics comprise sliding friction coefficients, rolling friction coefficients, repose angles and the like; the parameters of the spiral seed feeder mainly comprise the height of the seed feeding cylinder, a helix angle, the inner and outer diameters of a spiral and the rotating speed of a rotary motor; referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a spiral feeder according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of a feeding barrel 1 according to an embodiment of the present invention;
step S200, forming a multi-layer seed filling area 6, supplying power to a rotary motor 5, driving a feeding cylinder 1 of the spiral feeding device to rotate periodically, feeding seeds with large particle size from an upper cylinder opening 11 of the feeding cylinder 1, and enabling the fed seeds with large particle size to fall onto the surface of each layer of spiral blades 3 of the spiral feeding device to form the multi-layer seed filling area 6, wherein the multi-layer seed filling area 6 is shown in figure 3, and figure 3 is a schematic diagram of the seed filling area 6 according to an embodiment of the invention, so that the stacking and compaction effects of the seed potatoes can be reduced, and the high-efficiency seed filling area 6 can be enlarged; and
step S300, enhancing the fluidity of seeds, and actively feeding the seeds with large particle size into a seed sowing chain along the spiral surface of the spiral blade 3 under the self rotation action of the seed feeding barrel 1 and the spiral blade 3, so that the fluidity of the seeds is enhanced, and the seeds are taken by the seed sowing device, as shown in FIG. 4, the movement speed of the seeds with large particle size is shown in FIG. 4.
In this embodiment, the method may further include the following steps:
s400, repeatedly measuring the material characteristics of the seeds with large particle sizes for different seeds with large particle sizes, and adjusting the parameters of the spiral seed feeder according to the material characteristics, so that the seed sowing efficiency of the seeds with large particle sizes can be improved, the re-missing sowing rate can be reduced, and the seeds can be filled and taken for different seeds with large particle sizes.
Referring to fig. 3, wherein, in step S200, forming the multi-layer seed filling region 6 further comprises:
when large-particle-size seeds are fed from an upper tube opening 11 of a feeding tube 1 and roll down along the surface of a helical blade 3 to form a multi-layer seed filling area 6 with the helical blade 3 and the feeding tube 1, wherein the volume of the seed filling area 6 is determined by the cross-sectional area of a seed layer of the large-particle-size seeds and the pitch and length of the helical blade 3 when the large-particle-size seeds fill the seed filling area 6; when the large-particle-size seeds fill the area, the cross-sectional area of the seed layer is required to be calculated firstly, the cross-sectional area S of the seed layer is related to the diameter of the helical blade 3 and the material characteristics of the large-particle-size seeds, and the cross-sectional area S of the seed layer is calculated by adopting the following formula:
the volume of each seed filling area 6 is influenced by the pitch of the helical blades 3, and the volume V of each seed filling area 6 is calculated by the following formula:
since each layer of the seed filling area 6 has equal volume, the multilayer seed filling area 6 has volume VzComprises the following steps: vz＝mV，
Wherein m is the number of layers; d is the outer diameter of the helical blade 3 and the unit is mm; λ is the fill factor; l is the length of the helical blade 3 and the unit is mm; l is the pitch of the helical blade 3 in mm.
As shown in fig. 4, in the figure, a is a large-particle-diameter seed on a helical surface, B is a point where a vector extension line of a circumferential motion speed of the large-particle-diameter seed a on the helical surface intersects a straight line parallel to the helical surface at this moment, C is a point where a vector extension line of an axial motion speed of the large-particle-diameter seed a on the helical surface intersects a straight line parallel to the helical surface at this moment, and D is a point where a normal line of the helical surface at this moment intersects a straight line parallel to the helical surface at this moment, wherein a straight line parallel to the helical surface at this moment passes through a vector end point of a motion speed of the large-particle-diameter seed a on the helical surface, in step S300 of this:
when large-particle-size seeds are fed from the upper tube opening 11 of the feeding tube 1, under the self-rotation action of the feeding tube 1 and the helical blades 3, the large-particle-size seeds do compound motion in the seed filling area 6, the large-particle-size seeds move along a helical axis under the action of the resultant force of centrifugal force and friction force, the motion comprises circular motion and axial motion, and the motion speed of the large-particle-size seeds is mainly influenced by the pitch, the helical rotation speed, the friction coefficient of the large-particle-size seeds and a helical surface and the like. The large-particle-diameter seed A at the position r away from the central line of the rotating shaft is taken as a research object, and the circular motion speed v of the large-particle-diameter seed A1Calculated using the following formula:
the axial movement velocity v of the large-particle-size seeds A2Calculated using the following formula:
the speed v of the large-particle-size seeds A is as follows:
mu is the coefficient of friction of the helicoid of the large-particle-size seed A and the helical blade 3; r is the radius distance of the large-particle-size seeds A from the axis of the rotating shaft of the seed feeding barrel 1, and the unit is m; l is the pitch of the helical blade 3 in m; and n is the spiral rotating speed of the spiral blade 3 and has the unit of r/min.
Wherein, in step S100, adjusting the parameters of the spiral feeder further comprises:
the height of the seed feeding cylinder 1 is mainly determined by the length of the helical blade 3, and then the height h of the seed feeding cylinder 1 is as follows: h is more than 1.2L and less than 1.5L; in order to ensure that the seeds with large grain diameter can be smoothly conveyed, the helix angle meets the following conditions: alpha is less than or equal to 90-theta; the inner and outer diameters of the spiral are influenced by the characteristics of the seed material with large particle size, and the outer diameter d of the spiral is as follows:
The pitch is determined by the outer diameter of the helix, the pitch of the helical blade 3 is: k ═ K1d；
The spiral rotating speed should be kept within an effective range, and should not be too high, then the spiral rotating speed n of the spiral blade 3 is:
wherein, L is the length of the helical blade 3 and the unit is mm; alpha is a helix angle (°), theta is a large-particle-diameter seed friction angle (°), K is a material characteristic parameter, Q is conveying capacity, the unit is t/h, lambda is a filling coefficient, epsilon is an inclination coefficient, and K is1The coefficient of proportionality of the diameter of the helical blade 3 and the pitch of the helical blade 3 is shown, beta is an included angle between the absolute movement speed of the large-particle-size seeds and a horizontal line, f is a friction coefficient between the large-particle-size seeds and a shell of the helical seed feeder, and x is the short diameter of the large-particle-size seeds and the unit is mm.
Referring to fig. 1 and 2, the active seed feeding device of the large-particle-size seed sowing device of the embodiment includes a spiral seed feeding device, the spiral seed feeding device includes a seed feeding cylinder 1, a spiral blade 3, a bottom funnel 4 and a rotary motor 5, the spiral blade 3 is connected with the cylinder wall of the seed feeding cylinder 1 through a supporting block 2; the feeding cylinder 1 comprises an upper cylinder opening 11 and a lower cylinder opening 12, the upper cylinder opening 11 is used for feeding seeds with large particle size, the lower cylinder opening 12 is fixedly connected with the bottom funnel 4 through a bolt, the bottom funnel 4 is connected with the rotary motor 5 through a bolt, the bottom end of the spiral blade 3 corresponds to the inlet of the bottom funnel 4, the axis of the feeding cylinder 1, the spiral blade 3 and the bottom funnel 4 is coaxial with the rotary axis of the rotary motor 5, and the seed filling process of the seeds with large particle size can be realized.
The feeding cylinder 1 is provided with holes 13 on the surface thereof according to a spiral line, one end of the supporting block 2 is sequentially connected with the holes 13 through bolts, the blade surface of the spiral blade 3 corresponds to the holes 13, and the other end of the supporting block 2 is connected with the mounting holes through bolts.
In the working process, firstly, the rotary motor 5 is powered, the bottom funnel 4 is driven to rotate stably to drive the seed feeding cylinder 1 and the helical blade 3 to move, then, seeds with large particle size are fed from the upper cylinder opening 11 of the seed feeding cylinder 1 and roll down along the surface of the helical blade 3, a multi-layer seed filling area 6 is formed between the helical blade 3 and the inner wall of the seed feeding cylinder 1, the seed filling process of the seeds with large particle size is realized, and under the double-layer rotating action of the seed feeding cylinder 1 and the helical blade 3, the seeds with large particle size are actively fed into a seed discharging chain along the helical surface of the blade, the moving state is kept in real time, the seed flowability is enhanced, and a foundation is laid for seed taking.
The active feeding method of the large-particle-size seed sowing device can improve the sowing efficiency of the large-particle-size seeds, reduce the re-sowing rate and carry out the seed filling and picking work of different large-particle-size seeds. The spiral seed feeder adopting the method adopts a mode of spiral distribution and rotary feeding, realizes the effects of simultaneously enlarging the high-efficiency seed filling area 6 and enhancing the fluidity of seeds, reduces the seed leakage rate and damage rate of the large-particle-size seed machine, and improves the seed discharging performance.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An active seed feeding method of a seed sowing device for large-particle-size seeds is characterized by comprising the following steps:
s100, providing a spiral feeder, measuring the material characteristics of seeds with large particle sizes, and adjusting the parameters of the spiral feeder according to the material characteristics;
s200, forming a multilayer seed filling area, driving a feeding cylinder of the spiral seed feeder to periodically rotate, feeding seeds with large particle size from an upper cylinder opening of the feeding cylinder, and enabling the fed seeds with large particle size to fall onto the surface of each layer of spiral blades of the spiral seed feeder to form the multilayer seed filling area; and
s300, enhancing the fluidity of seeds, and actively feeding the seeds with large particle size into a seed sowing chain along the surface of the helical blade under the self rotation action of the seed feeding barrel and the helical blade so as to be convenient for the seed sowing device to take seeds.
2. An active feeding method for a large particle size seed meter as claimed in claim 1 further comprising the steps of:
s400, repeatedly measuring the material characteristics of the seeds with the large particle sizes for different seeds with the large particle sizes, and adjusting the parameters of the spiral feeding device according to the material characteristics so as to improve the seed sowing efficiency of the seeds with the large particle sizes and reduce the re-leakage sowing rate.
3. An active feeding method of a large-particle-size seed metering device as claimed in claim 1 or 2, wherein the material characteristics of the large-particle-size seeds comprise physical characteristics and mechanical characteristics, the physical characteristics comprise long diameter, short diameter, height, density and water content of the large-particle-size seeds, and the mechanical characteristics comprise sliding friction coefficient, rolling friction coefficient and angle of repose.
4. An active feeding method of a large-particle-size seed metering device as claimed in claim 1 or 2, characterized in that the parameters of the spiral feeding device comprise the height of a feeding cylinder, the helix angle, the inner and outer diameters of a spiral and the rotating speed of a rotary motor.
5. The active feeding method of a large particle size seed meter as claimed in claim 4, wherein the step S200 of forming a multi-layered seed charging area further comprises:
the volume of the seed filling area is determined by the large-particle-size seeds when the large-particle-size seeds fill the seed filling areaSeed layer cross-sectional area, pitch, and helical blade length; the cross-sectional area S of the seed layer is calculated by adopting the following formula:
the volume V of the seed-filling area of each layer is calculated by the following formula:
each layer of seed filling area has equal volume, and the multilayer seed filling area has volume VzComprises the following steps: vz＝mV，
Wherein m is the number of layers; d is the outer diameter of the helical blade, and the unit is mm; λ is the fill factor; l is the length of the helical blade and is in mm; l is the pitch of the helical blade in mm.
6. The active feeding method of a large particle size seed meter as claimed in claim 5, wherein in step S300, enhancing seed mobility further comprises:
the circular motion speed v of the seeds A with large grain diameter at the position r away from the central line of the rotating shaft of the feeding cylinder1Calculated using the following formula:
the axial movement velocity v of the large-particle-size seeds A2Calculated using the following formula:
the speed v of the large-particle-size seeds A is as follows:
mu is the coefficient of friction of the large-particle-size seed A and the helical surface of the helical blade; r is the radius distance of the large-particle-size seeds A from the axis of the rotating shaft of the seed feeding barrel, and the unit is m; l is the pitch of the helical blade, and the unit is m; and n is the spiral rotating speed of the spiral blade, and the unit is r/min.
7. An active feeding method of a large particle size seed metering device as claimed in claim 4 wherein in step S100, adjusting the parameters of the spiral feeding device further comprises:
the height h of the seed feeding cylinder is as follows: h is more than 1.2L and less than 1.5L; the helix angle is: alpha is less than or equal to 90-theta; the spiral outer diameter d is as follows:
the inner diameter d of the spiral1Comprises the following steps: 1.1x is not more than d1≤1.2x；
The pitch of the helical blade is as follows: k ═ K1d；
The spiral rotating speed n of the spiral blade is as follows:
wherein L is the length of the helical blade and the unit is mm; alpha is a helix angle, theta is a friction angle of the seeds with large particle size, K is a material characteristic parameter, Q is conveying capacity with the unit of t/h, lambda is a filling coefficient, epsilon is an inclination coefficient, and K1The coefficient of proportionality of the diameter of the helical blade and the pitch of the helical blade is shown, beta is an included angle between the absolute movement speed of the large-particle-size seed and a horizontal line, f is a friction coefficient between the large-particle-size seed and a shell of the helical seed feeding device, and x is the short diameter of the large-particle-size seed and the unit is mm.
8. An active seed feeding device of a large-particle-size seed seeding apparatus, which is characterized in that the active seed feeding method of the large-particle-size seed seeding apparatus of any one of claims 1 to 7 is adopted for seed feeding.
9. An active feeding device of a large-particle-size seed sowing device according to claim 8, which comprises a spiral feeding device, wherein the spiral feeding device comprises a feeding barrel, a spiral blade, a bottom hopper and a rotary motor, and the spiral blade is connected with the barrel wall of the feeding barrel through a supporting block; the feeding cylinder comprises an upper cylinder opening and a lower cylinder opening, the upper cylinder opening is used for feeding seeds with large particle size, the lower cylinder opening is connected with the bottom funnel, the bottom funnel is connected with the rotary motor, the bottom end of the spiral blade corresponds to the inlet of the bottom funnel, and the axis of the feeding cylinder, the spiral blade and the bottom funnel is coaxial with the rotary axis of the rotary motor.
10. The active feeding device of a large-particle-size seed sowing device according to claim 8 or 9, wherein the feeding cylinder is provided with holes on the surface thereof in a spiral line, one end of the supporting block is sequentially connected with the holes through bolts, the blade surface of the spiral blade is provided with mounting holes corresponding to the holes, and the other end of the supporting block is connected with the mounting holes through bolts.
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|---|---|---|---|---|
| JPS6058006A (en) * | 1983-09-07 | 1985-04-04 | 株式会社ホクエイ | Potato seed feeder |
| SU1662391A1 (en) * | 1989-12-14 | 1991-07-15 | Научно-производственное объединение по механизации и автоматизации производства машин для хлопководства "Технолог" | Feeding auger of potato planter hopper |
| US5009175A (en) * | 1990-01-24 | 1991-04-23 | Pember David A | Potato planter |
| KR100690330B1 (en) * | 2005-11-09 | 2007-03-09 | 허흔 | Garlic seeder |
| CN105564919A (en) * | 2016-01-29 | 2016-05-11 | 张海娟 | Non-abrasion auger elevator |
| CN107750550A (en) * | 2017-11-17 | 2018-03-06 | 山东理工大学 | A kind of potato feed mechanism for seed intelligently reseeds device |
| CN109526327A (en) * | 2019-01-17 | 2019-03-29 | 青岛洪珠农业机械有限公司 | A kind of Miniature potato planter kind cylinder assembly structure |
| CN112535003A (en) * | 2020-11-30 | 2021-03-23 | 中国农业机械化科学研究院 | Distribution feeding type potato seed metering device |
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| Publication number | Publication date |
|---|---|
| CN112970389B (en) | 2023-02-28 |
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