CN112930778B - Rice hole direct seeding machine - Google Patents
Rice hole direct seeding machine Download PDFInfo
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- CN112930778B CN112930778B CN202110135713.9A CN202110135713A CN112930778B CN 112930778 B CN112930778 B CN 112930778B CN 202110135713 A CN202110135713 A CN 202110135713A CN 112930778 B CN112930778 B CN 112930778B
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- sowing
- seed metering
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- 238000010899 nucleation Methods 0.000 title claims abstract description 42
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 12
- 235000009566 rice Nutrition 0.000 title claims abstract description 12
- 240000007594 Oryza sativa Species 0.000 title abstract 2
- 238000009331 sowing Methods 0.000 claims abstract description 113
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 241000721671 Ludwigia Species 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 24
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- 238000007599 discharging Methods 0.000 claims description 12
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- 230000018109 developmental process Effects 0.000 abstract 1
- 230000001771 impaired effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
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- 244000025254 Cannabis sativa Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/002—Dibble seeders
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C19/00—Arrangements for driving working parts of fertilisers or seeders
- A01C19/02—Arrangements for driving working parts of fertilisers or seeders by a motor
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention provides a rice hole direct seeding machine, which comprises a driving mechanism, wherein the tail end of the driving mechanism is connected with a seeding mechanism in a traction manner, the seeding mechanism comprises a sliding plate, a seed box and a seed metering device, the seed metering device is transversely arranged on the sliding plate, the top of the seed metering device is provided with a seed inlet, the seed box is fixedly connected above the seed inlet, a seed metering shaft penetrates through the seed metering device, a seed metering wheel is sleeved in the middle of the seed metering shaft and can rotate along the seed metering shaft, cells capable of being opened and closed are concavely arranged on the shaft wall of the seed metering wheel, a preset gap is reserved between the seed metering device and the seed metering wheel, the phenomenon that the seeds are damaged by the shearing effect formed between the rotation of the seed metering wheel and the structure of the seed metering device is avoided, the germination rate is improved, the cells on the seed metering wheel automatically switch in the opening and closing state only at a designated position, the seeds are limited and protected in the transportation process, and the seeds are prevented from being automatically opened and closed along the seed metering device under the action of gravity, The clearance motion of the seed sowing wheel ensures the high precision of the sowing effect and has good development prospect.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a rice hole direct seeding machine.
Background
Agricultural machinery refers to various machines used in the production process of crop planting and animal husbandry, as well as in the primary processing and treatment process of agricultural and animal products. Agricultural machinery includes agricultural power machinery, farmland construction machinery, soil farming machinery, planting and fertilizing machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery, agricultural transportation machinery and the like. A seeding machine is a planting machine that takes crop seeds as a seeding target. Seeders for certain types or crops are often referred to by the name of the crop type, such as grain drill, corn hill planter, cotton planter, grass spreader, and the like.
Rice hole direct seeder slots the soil through the towed slide structure of tail end, seed metering ware on the slide rotates the seed metering operation through the sunken nest eye in inside seed metering wheel surface to seed in the seed case, thereby realize that seed distance ration is sowed, but the seed metering wheel of traditional rice hole direct seeder seed metering ware is easy to be caused because of the relative motion of seed metering wheel with the seed metering ware when rotating and is extrudeed or cut, lead to the seed impaired, influence the germination percentage of seed, partial direct seeder is through reserving a small amount of clearance between seed metering ware and seed metering wheel, can reduce the appearance of the impaired condition of seed by a great extent, but a small amount of seed can remove through the clearance, the release time and the seed quantity of seed appear the deviation in the nest eye, the decline of the distance ration precision of seeding has been led to.
Disclosure of Invention
The invention aims to provide a rice hole direct sowing machine which can reduce the damage probability of seeds while ensuring the fixed-distance quantitative precision of seed sowing.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a rice hole direct seeding machine, including actuating mechanism, actuating mechanism's trailing end traction is connected with sowing mechanism, sowing mechanism includes the slide, seed case and seed metering ware, seed metering ware transverse arrangement is on the slide, the top of seed metering ware is provided with the kind of a mouth of advancing, the top fixedly connected with seed case of kind of a mouth of advancing, the seed metering axle is worn to be equipped with in the inside of seed metering ware, the both ends of seed metering axle are fixed with input gear and adjusting gear respectively, adjusting gear's the outside is provided with the latch wheel and is used for the fixed of adjusting gear angle, the seed metering wheel has been cup jointed in the middle of seed metering axle, the seed metering wheel can rotate along with the seed metering axle, the concave nest eye that can open and shut that is equipped with on the shaft wall of seed metering wheel, the bottom of seed metering ware is provided with the seed metering mouth.
As a further scheme of the invention: the seed sowing wheel consists of a fixed seed sowing plate and a movable seed sowing plate, the fixed seed sowing plate is fixedly sleeved on the seed sowing shaft, the inner side of the adjusting gear is provided with an extended threaded rod structure, the thread of the movable seed sowing plate is sleeved on the outer side of the threaded rod of the adjusting gear, the distance between the movable seed sowing plate and the fixed seed sowing plate is controlled through the rotation of the adjusting gear, the cell hole is concavely arranged on the peripheral wall of the fixed seed sowing plate, and the size of the cell hole is regulated and controlled through controlling the distance between the movable seed sowing plate and the fixed seed sowing plate when the movable seed sowing plate structure stretches into the cell hole.
As a further scheme of the invention: the fixed seed metering disc is provided with a cylindrical mounting groove in a concave mode on the peripheral wall, a seed disc is embedded in the mounting groove, the seed disc is of a hollow cylinder structure with an opening on one side of the peripheral surface and can axially rotate in the mounting groove, one side, away from the movable seed metering disc, of the seed disc is in transmission connection with a driving shaft embedded in the fixed seed metering disc, a driving gear is sleeved on the outer side of the driving shaft, and the driving gear partially extends out of the peripheral wall of the fixed seed metering disc and is in meshing transmission with a gear ring fixed on the inner wall of a seed metering device to drive the driving shaft.
As a further scheme of the invention: the end surfaces of the seed disc and the driving shaft, which are in contact with each other, are corresponding concave step surfaces and convex step surfaces, rubber pads are adhered to the step surfaces, a pressure spring is sleeved outside one side of each protrusion, two ends of the pressure spring abut against the step surfaces on two sides respectively, and the seed disc and the driving shaft are jacked open to enable the step surfaces on two sides to be separated from each other and not in contact with each other.
As a further scheme of the invention: the end of the driving shaft, which is far away from the seed plate, is concavely provided with an arc-shaped groove, balls are arranged in the arc-shaped groove, the other ends of the balls are limited and fixed through a fixed seed discharging plate structure, the ball part structure extends out of the fixed seed discharging plate from the end surface of the fixed seed discharging plate and is abutted against a pad plate fixed on the inner side of the seed discharging device, the pad plate is annular, and a raised step surface structure is arranged on one surface, which is in contact with the balls, of the pad plate.
As a further scheme of the invention: the raised step surface of the cushion disc is arranged at the position corresponding to the seed inlet and the seed outlet of the seed sowing device, and the two ends of the raised step surface are connected with the non-raised part through a smooth curved surface.
As a further scheme of the invention: the mounting groove and opening of the disk occupy 1/6 of the mounting groove and the peripheral surface of the disk.
As a further scheme of the invention: the end face of the movable seed sowing plate close to one side of the fixed seed sowing plate is provided with a protruding cover plate and side plates, the number and the position of the cover plate and the side plates correspond to those of the seed plate, the side plates penetrate through the fixed seed sowing plate and the seed plate structure and extend into the seed plate to limit the size of the space in the seed plate from one side, the side plates cover the opening of the mounting groove part from the top, and the cover plate, the side plates and the seed plate form a nest hole together.
As a further scheme of the invention: a gap of 5mm is left between the seed sowing wheel and the inner wall of the seed sowing device, a row brush is arranged at the top of the seed inlet of the seed sowing device, and the row brush is attached to the peripheral wall of the seed sowing wheel to clean the peripheral wall of the seed sowing wheel.
Advantageous effects
1. The preset gap is reserved between the seed metering device and the seed metering wheel, so that the damage to seeds caused by the shearing effect formed between the rotation of the seed metering wheel and the seed metering device structure is avoided, the damage to the seeds in the seed metering process is reduced, the germination rate is improved, the opening and closing operation of the cells on the seed metering wheel can be realized through the rotation of the seed plate in the seed metering wheel, the cells are closed after the seeds are fed into the cells and opened to the seed metering port, the seeds are limited and protected in the transportation process of the seeds, the seeds are prevented from moving along the gap between the seed metering device and the seed metering wheel under the action of gravity, and the high precision of the seeding effect is ensured.
2. One side of the seed plate is in transmission connection with a driving shaft embedded in the fixed seed sowing plate, a driving gear is sleeved outside the driving shaft, part of the driving gear extends out of the peripheral wall of the fixed seed sowing plate and is in meshing transmission with a gear ring fixed on the inner wall of the seed sowing device, the rotation of the seed plate is driven through the relative rotation of the seed sowing wheel and the gear ring, the overall structure is compact, an additional power source is avoided, the transmission precision is also ensured, the error of the rotation angle of the seed plate caused by insufficient transmission precision is avoided, and the opening and closing precision of the cells is ensured.
3. The driving shaft and the seed plate are sleeved with a pressure spring to be disconnected in transmission, one end of the driving shaft, far away from the seed plate, is concavely provided with an arc-shaped groove, balls are arranged in the arc-shaped groove, the ball part of the structure extends out of the fixed seed plate from the end surface of the fixed seed plate and is abutted with a cushion disc fixed on the inner side of the seed sowing device, the cushion disc is annular, the surface contacted with the ball is provided with corresponding raised step surfaces at the seed inlet and the seed discharging port, and by arranging the ball and the cushion disc with the raised step surfaces, when the ball moves to the raised step surface along with the rotation of the seed sowing wheel, the ball is jacked up under the action of the raised step surface to drive the seed plate to be attached to the step surface of the driving shaft to realize transmission, thereby realizing the change of the opening and closing state of the cells at the designated position, realizing the operation of seeding and seed sowing at the designated position, the other positions respectively keep the closing of the nest holes to carry out limit protection on the seeds and ensure the opening of the nest holes to be ready for seed feeding.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the sowing mechanism of the present invention.
FIG. 3 is a schematic view of the seed meter configuration of the present invention.
FIG. 4 is a sectional view of the structure of a seed discharging wheel of the present invention.
Fig. 5 is an enlarged view of the structure at a in fig. 4 according to the present invention.
FIG. 6 is an enlarged view of the structure at B of FIG. 4 according to the present invention.
FIG. 7 is a sectional view of a fixed seed metering disk of the present invention.
Fig. 8 is a schematic view of the structure of the saucer of the present invention.
In FIGS. 1-8: 1-driving mechanism, 2-seeding mechanism, 3-sliding plate, 4-seed box, 5-seed metering device, 501-seed inlet, 502-seed metering port, 503-row brush, 504-cushion disc, 6-seed metering shaft, 7-input gear, 8-adjusting gear, 9-locking wheel, 10-seed metering wheel, 11-fixed seed metering disc, 1101-mounting groove, 1102-seed disc, 12-movable seed metering disc, 1201-cover plate, 1202-side plate, 13-nest hole, 14-driving shaft, 15-pressure spring, 16-ball, 17-driving gear and 18-gear ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Referring to fig. 1-8, in an embodiment of the present invention, a rice hole direct seeding machine includes a driving mechanism 1, a seeding mechanism 2, a sliding plate 3, a seed box 4, a seed sowing device 5, a seed inlet 501, a seed outlet 502, a row brush 503, a cushion disk 504, a seed sowing shaft 6, an input gear 7, an adjusting gear 8, a locking wheel 9, a seed sowing wheel 10, a fixed seed sowing disk 11, a mounting groove 1101, a seed disk 1102, a movable seed sowing disk 12, a cover plate 1201, a side plate 1202, a nest hole 13, a driving shaft 14, a compression spring 15, a ball 16, a driving gear 17, a gear ring 18, a seeding mechanism 2 connected to a tail end of the driving mechanism 1 in a traction manner, the seeding mechanism 2 including a sliding plate 3, a seed box 4 and a seed sowing device 5, the seed sowing device 5 having a seed inlet 501 at a top portion thereof, a seed box 4 fixedly connected to a top portion of the seed inlet 501, a seed sowing shaft 6 penetrating through the seed sowing device 5, an input gear 7 and an adjusting gear 8 fixed to two ends of the seed sowing shaft 6, the outer side of the adjusting gear 8 is provided with a locking wheel 9 for fixing the angle of the adjusting gear 8, the middle of the seeding shaft 6 is sleeved with a seeding wheel 10, the seeding wheel 10 can rotate along with the seeding shaft 6, the shaft wall of the seeding wheel 10 is concavely provided with a cell 13 which can be opened and closed, and the bottom of the seeding device 5 is provided with a seeding port 502.
Wherein: the seed sowing wheel 10 is composed of a fixed seed sowing plate 11 and a movable seed sowing plate 12, the fixed seed sowing plate 11 is fixedly sleeved on the seed sowing shaft 6, the inner side of the adjusting gear 8 is provided with an extended threaded rod structure, the movable seed sowing plate 12 is in threaded sleeve joint with the outer side of the threaded rod of the adjusting gear 8, the distance between the adjusting gear 8 and the fixed seed sowing plate 11 is controlled through rotation of the adjusting gear 8, the cells 13 are concavely arranged on the peripheral wall of the fixed seed sowing plate 11, the movable seed sowing plate 12 extends into the cells 13 and controls the sizes of the cells 13 through controlling the distance between the movable seed sowing plate 11 and the fixed seed sowing plate 11, the sizes of the cells 13 are controlled through relative movement of the fixed seed sowing plate 11 and the movable seed sowing plate 12, and therefore the quantity of seeds in the cells 13 is controlled.
Wherein: the peripheral wall of the fixed seed sowing disk 11 is concavely provided with a cylindrical mounting groove 1101, a seed disk 1102 is embedded in the mounting groove 1101, the seed disk 1102 is of a hollow cylinder structure with an opening on one side of the peripheral surface and can axially rotate in the mounting groove 1101, one side of the seed disk 1102, which is far away from the movable seed sowing disk 12, is in transmission connection with a driving shaft 14 embedded in the fixed seed sowing disk 11, the outer side of the driving shaft 14 is sleeved with a driving gear 17, part of the structure of the driving gear 17 extends out of the peripheral wall of the fixed seed sowing disk 11 and is in meshing transmission with a gear ring 18 fixed on the inner wall of the seed sowing device 5, so as to realize the driving of the driving shaft 14, through the arrangement of the seed disk 1102 which can rotate, when the opening of the seed disk 1102 is staggered with the opening structure of the mounting groove 1101, the structure of the pocket 13 can be closed, the seed entering the gap between the seed sowing wheel 10 and the seed sowing device 5 from the opening is limited by the closed pocket 13, prevent the seeds from being released in advance and improve the precision of sowing.
Wherein: the end surfaces of the seed disc 1102 contacted with the driving shaft 14 are corresponding concave step surfaces and convex step surfaces, rubber pads are adhered to the step surfaces, a pressure spring 15 is sleeved on the outer side of one side of each protrusion, two ends of the pressure spring 15 are respectively abutted to the step surfaces on two sides, the seed disc 1102 and the driving shaft 14 are pushed open to enable the step surfaces on two sides to be separated and not contacted with each other, kinetic energy is transmitted between the seed disc 1102 and the driving shaft 14 through the friction force of the step surfaces, the pressure spring 15 is arranged to enable the transmission between the seed disc 1102 and the driving shaft 14 to be in an off state, the seed disc 1102 is enabled to be in a state of being relatively static with the seed sowing wheel 10 to maintain the state of the seed pocket 13, the seeds in the seed pocket 13 are limited and protected or prepared for the seed pocket 13, and only at a specific position, the seed disc 1102 is in transmission connection with the driving shaft 14 to drive the seed disc 1102 to switch the open-close state of the seed pocket 13 to perform seed sowing and seed sowing.
Wherein: an arc-shaped groove is concavely arranged at one end of the driving shaft 14 far away from the seed plate 1102, a ball 16 is arranged in the arc-shaped groove, the other end of the ball 16 is limited and fixed through the fixed seed-metering plate 11 structure, part of the ball 16 structure extends out of the fixed seed-metering plate 11 from the end surface of the fixed seed-metering plate 11, the cushion disk 504 is pressed against the cushion disk 504 fixed on the inner side of the seeding unit 5, the cushion disk 504 is in a ring shape, a raised step surface structure is arranged on one surface contacted with the ball 16, through arranging the ball 16 and the cushion disk 504 with the raised step surface, when the ball 16 moves to the raised step surface along with the rotation of the seed sowing wheel 10, the ball is jacked up under the action of the raised step surface to drive the seed plate 1102 to be attached to the step surface of the driving shaft 14 to realize transmission, thereby realizing the change of the open-close state of the cells 13 at the designated position, carrying out the operations of seed planting and seed discharging at the designated position, the rest positions are used for carrying out limit protection on the seeds through the closing of the pockets 13 or keeping the pockets 13 open for preparing for seed sowing.
Wherein: the raised step surfaces of the cushion plate 504 are arranged at positions corresponding to the seed inlet 501 and the seed discharging port 502 of the seed sowing device 5, two ends of each raised step surface are connected with non-raised parts through smooth curved surfaces, and the corresponding raised step surfaces are arranged on the seed inlet 501 and the seed discharging port 5 to drive the seed plate 1102 to rotate, so that the closing of the cells 13 after the seeds are fed into the cells 13 and the opening of the cells 13 at the seed discharging port 502 are respectively realized to release the seeds in the cells.
Wherein: mounting groove 1101 and the 1/6 that the opening of kind dish 1102 occupied mounting groove 1101 and kind dish 1102 are circumferential, through setting up the opening size, make the opening size that nest hole 13 is used for the seed circulation be less than the transverse diameter of nest hole 13, restrict the size that the seed got into the passageway, make the seed can not fill up with nest hole 13 inner space when getting into nest hole 13, leave the removal clearance of seed, it leads to the impaired possibility of seed to extrude the seed when the nest hole is closed to reduce through the outflow clearance, when kind dish 1102 rotates and seals nest hole 13, the seed falls the downside at nest hole 13 at the action of gravity, keep away from the opening part of mounting groove 1101, form the shearing effect with mounting groove 1101 open structure when avoiding kind dish 1102 to rotate and cause the damage to the seed.
Wherein: the end face of the movable seed sowing plate 12 close to one side of the fixed seed sowing plate 11 is provided with a protruding cover plate 1201 and a protruding side plate 1202, the number and the position of the cover plate 1201 and the side plate 1202 correspond to those of the seed plate 1102, the side plate 1202 penetrates through the fixed seed sowing plate 11 and the seed plate 1102 to extend into the seed plate 1102, the space in the seed plate 1102 is limited from one side, the side plate 1202 covers a part of an opening of the mounting groove 1101 from the top, the cover plate 1201, the side plate 1202 and the seed plate 1102 jointly form a pocket 13, and the cover 1201 and the side plate 1202 are separated, so that the pocket 13 is controlled, and the seed plate 1102 is prevented from being blocked in rotation.
Wherein: a gap of 5mm is reserved between the seed metering wheel 10 and the inner wall of the seed metering device 5, a row brush 503 is arranged at the top of a seed inlet 501 of the seed metering device 5, the row brush 503 is attached to the peripheral wall of the seed metering wheel 10 to clean the peripheral wall of the seed metering wheel 10, and a gap is reserved between the seed metering device 5 and the seed metering wheel 10, so that the damage to seeds caused by the shearing effect formed between the rotation of the seed metering wheel 10 and the structure of the seed metering device 5 is avoided, the row brush 503 at the top of the seed inlet 501 plays a role in cleaning the peripheral wall of the seed metering wheel 10 to adhere the seeds, and the phenomenon that the adhesion of the seeds enters the gap along with the peripheral wall of the seed metering wheel 10 to influence the seeding precision is prevented.
When the invention is used, the seeding mechanism 2 moves forwards under the traction of the driving mechanism 1, ditches the ground through a wheel body at the bottom of the driving mechanism 1 and a sliding plate 3 structure of the seeding mechanism, the seeding wheel 10 in the seeding mechanism 5 rotates under the drive of the seeding shaft 6 in the advancing process, seeds in the seed box 4 fall to the peripheral surface of the seeding wheel 10 along the seed inlet 501 under the action of gravity, the seeds accumulated in the seed inlet 501 fall into the nest 13 along the mounting groove 1101 and the opening of the seed plate 1102 along with the rotation of the seeding wheel 10, when the balls 16 embedded in the end surface of the fixed seeding plate 11 move to the raised step surface of the cushion plate 504, the balls 16 are jacked up to drive the driving shaft 14 to contact with the end surface of the seed plate 1102, the seed plate 1102 is driven to rotate through the relative rotation of the seeding wheel 10 and the annular gear 18 of the seeding mechanism 5, the nest 13 is closed, and the balls 16 fall back after moving through the raised step surface of the cushion plate 504, the driving shaft 14 is separated from the end face of the seed plate 1102 under the action of the pressure spring 15, transmission is disconnected, the state of the pocket 13 is maintained, seeds are limited and protected in the rotation process of the seed sowing wheel 10, when the pocket 13 containing the seeds moves to the seed sowing port 502 at the bottom of the seed sowing device 5, the balls 16 move to the raised step face of the cushion plate 504 again, the balls 16 are jacked up again to drive the driving shaft 14 to be in contact with the end face of the seed plate 1102, the seed plate 1102 is driven to rotate through the relative rotation of the seed sowing wheel 10 and the annular gear 18 of the seed sowing device 5, the pocket 13 is opened, the seeds in the pocket 13 fall under the action of gravity for sowing, after the balls 16 move over the raised step face of the cushion plate 504, the balls 16 fall back again, the driving shaft 14 is separated from the end face of the seed plate 1102 under the action of the pressure spring 15, transmission is disconnected, the opening state of the pocket 13 is maintained, and preparation is made for subsequent seed sowing;
the distance between the seed sowing plate and the fixed seed sowing plate 11 can be controlled by the rotation of the adjusting gear 8, and the size of the pocket 13 is controlled by the relative movement of the fixed seed sowing plate 11 and the movable seed sowing plate 12, so that the quantity of seeds in the pocket 13 is controlled, and the seeding number is controlled.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (3)
1. A rice hole direct seeding machine is characterized by comprising a driving mechanism (1), wherein the tail end of the driving mechanism (1) is connected with a seeding mechanism (2) in a traction manner, the seeding mechanism (2) comprises a sliding plate (3), a seed box (4) and a seed sowing device (5), the seed sowing device (5) is transversely arranged on the sliding plate (3), the top of the seed sowing device (5) is provided with a seed inlet (501), the seed box (4) is fixedly connected above the seed inlet (501), a seed sowing shaft (6) penetrates through the inside of the seed sowing device (5), an input gear (7) and an adjusting gear (8) are respectively fixed at two ends of the seed sowing shaft (6), a locking wheel (9) is arranged on the outer side of the adjusting gear (8) and used for fixing the angle of the adjusting gear (8), a seed sowing wheel (10) is sleeved in the middle of the seed sowing shaft (6), the seed sowing wheel (10) can rotate along with the seed sowing shaft (6), and nest holes (13) capable of opening and closing are concavely arranged on the shaft wall of the seed sowing wheel (10), a seed discharging port (502) is arranged at the bottom of the seed discharging device (5);
the seed sowing wheel (10) consists of a fixed seed sowing disc (11) and a movable seed sowing disc (12), the fixed seed sowing disc (11) is fixedly sleeved on the seed sowing shaft (6), the inner side of the adjusting gear (8) is provided with an extended threaded rod structure, the movable seed sowing disc (12) is in threaded sleeve joint with the outer side of the threaded rod of the adjusting gear (8), the distance between the movable seed sowing wheel and the fixed seed sowing disc (11) is controlled by the rotation of the adjusting gear (8), the nest hole (13) is concavely arranged on the peripheral wall of the fixed seed sowing disc (11), and the movable seed sowing disc (12) stretches into the nest hole (13) in a structure to control the size of the nest hole (13) by controlling the distance between the movable seed sowing wheel and the fixed seed sowing disc (11);
a cylindrical mounting groove (1101) is concavely arranged on the peripheral wall of the fixed seed metering disc (11), a seed disc (1102) is embedded in the mounting groove (1101), the seed disc (1102) is of a hollow cylinder structure with an opening on one side of the peripheral surface and can axially rotate in the mounting groove (1101), one side, away from the movable seed metering disc (12), of the seed disc (1102) is in transmission connection with a driving shaft (14) embedded in the fixed seed metering disc (11), a driving gear (17) is sleeved on the outer side of the driving shaft (14), and part of the structure of the driving gear (17) extends out of the peripheral wall of the fixed seed metering disc (11) and is in meshing transmission with a gear ring (18) fixed on the inner wall of the seed metering device (5), so that the driving of the driving shaft (14) is realized;
the end surfaces of the seed plate (1102) and the driving shaft (14) which are contacted with each other are corresponding concave step surfaces and convex step surfaces, rubber pads are adhered to the step surfaces, a pressure spring (15) is sleeved outside one side of each protrusion, two ends of the pressure spring (15) are respectively abutted against the step surfaces on two sides, and the seed plate (1102) and the driving shaft (14) are jacked open to enable the step surfaces on two sides to be separated from each other and not contacted with each other;
an arc-shaped groove is concavely arranged at one end, far away from the seed plate (1102), of the driving shaft (14), balls (16) are arranged in the arc-shaped groove, the other end of each ball (16) is limited and fixed through a fixed seed sowing plate (11) structure, part of the structure of each ball (16) extends out of the fixed seed sowing plate (11) from the end face of the fixed seed sowing plate (11) and is abutted against a cushion plate (504) fixed on the inner side of the seed sowing device (5), the cushion plate (504) is annular, and a protruded step surface structure is arranged on one surface, in contact with the balls (16);
the raised step surface of the cushion disc (504) is arranged at the position corresponding to the seed inlet (501) and the seed outlet (502) of the seed metering device (5), and the two ends of the raised step surface are connected with the non-raised part through a smooth curved surface;
the openings of the mounting groove (1101) and the seed tray (1102) occupy 1/6 on the peripheral surfaces of the mounting groove (1101) and the seed tray (1102).
2. The rice hole direct seeding machine as claimed in claim 1, wherein: the end face of one side, close to the fixed seed metering disc (11), of the movable seed metering disc (12) is provided with a protruding cover plate (1201) and a protruding side plate (1202), the number and the positions of the cover plate (1201) and the side plate (1202) correspond to those of a seed disc (1102), the side plate (1202) penetrates through the fixed seed metering disc (11) and the seed disc (1102) to enter the seed disc (1102), the size of the inner space of the seed disc (1102) is limited from one side, the side plate (1202) covers a part of an opening of the mounting groove (1101) from the top, and the cover plate (1201), the side plate (1202) and the seed disc (1102) jointly form a nest hole (13).
3. The rice hole direct seeding machine as claimed in claim 1, wherein: a gap of 5mm is reserved between the seed metering wheel (10) and the inner wall of the seed metering device (5), a row brush (503) is arranged at the top of the seed inlet (501) of the seed metering device (5), and the row brush (503) is attached to the peripheral wall of the seed metering wheel (10) to clean the peripheral wall of the seed metering wheel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110135713.9A CN112930778B (en) | 2021-02-01 | 2021-02-01 | Rice hole direct seeding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110135713.9A CN112930778B (en) | 2021-02-01 | 2021-02-01 | Rice hole direct seeding machine |
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| CN112930778A CN112930778A (en) | 2021-06-11 |
| CN112930778B true CN112930778B (en) | 2022-08-05 |
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Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2346155Y (en) * | 1998-11-14 | 1999-11-03 | 刘少林 | Combination seeding appts. able to seed any size of seeds for seeder |
| CN2888823Y (en) * | 2006-05-10 | 2007-04-18 | 毛金辉 | Precise corn seed metering device |
| CN101273682A (en) * | 2008-04-18 | 2008-10-01 | 镇江市农业机械技术推广站 | Multipurpose seed-feeding device with precise small quantities for rice, wheat and oil |
| WO2014116052A1 (en) * | 2013-01-25 | 2014-07-31 | 지금강 주식회사 | Multifunctional seeding module |
| JP6413184B2 (en) * | 2015-03-20 | 2018-10-31 | ヤンマー株式会社 | Agricultural machinery feeding device |
| CN105766158B (en) * | 2016-04-20 | 2017-09-12 | 吉林大学 | Kind of a precise seeder is filled in a kind of front |
| CN106211883B (en) * | 2016-09-08 | 2018-07-10 | 东北农业大学 | A kind of electrodynamic type feed mechanism for seed |
| CN108307745A (en) * | 2018-05-11 | 2018-07-24 | 湖北中轩科技有限公司 | A kind of feed mechanism for seed of paddy planter |
| CN109451929A (en) * | 2018-12-27 | 2019-03-12 | 盐城市盾田机械制造有限公司 | A kind of seed-sowing machine |
| CN210143275U (en) * | 2019-06-03 | 2020-03-17 | 桂林高新区科丰机械有限责任公司 | Hole direct seeding machine |
| CN210868700U (en) * | 2019-08-15 | 2020-06-30 | 河北农业大学 | Seed sowing device with secondary seed feeding function |
| CN211960044U (en) * | 2020-04-02 | 2020-11-20 | 湖北双兴智能装备有限公司 | Integrative adjusting device in seed sowing portion of direct seeding machine |
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Denomination of invention: A rice hole direct seeding machine Effective date of registration: 20230404 Granted publication date: 20220805 Pledgee: Zhejiang Tongxiang Rural Commercial Bank Co.,Ltd. Wuzhen sub branch Pledgor: ZHEJIANG BOYUAN AGRICULTURAL MACHINERY Co.,Ltd. Registration number: Y2023980037324 |
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Granted publication date: 20220805 Pledgee: Zhejiang Tongxiang Rural Commercial Bank Co.,Ltd. Wuzhen sub branch Pledgor: ZHEJIANG BOYUAN AGRICULTURAL MACHINERY Co.,Ltd. Registration number: Y2023980037324 |