CN113574995B - Smart volume seed metering device of experimental usefulness of maize breeding - Google Patents
Smart volume seed metering device of experimental usefulness of maize breeding Download PDFInfo
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- CN113574995B CN113574995B CN202110752765.0A CN202110752765A CN113574995B CN 113574995 B CN113574995 B CN 113574995B CN 202110752765 A CN202110752765 A CN 202110752765A CN 113574995 B CN113574995 B CN 113574995B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
- A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
- A01B49/065—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising the soil-working tools being actively driven
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/066—Devices for covering drills or furrows
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/18—Machines for depositing quantities of seed at intervals
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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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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sowing (AREA)
Abstract
The invention discloses a precise seed metering device for a corn breeding test, which relates to the technical field of seeding machinery, and the technical scheme is characterized in that: the tire turning device comprises a box body, wherein a first rotating motor is arranged on the side wall of the box body, a power input shaft is arranged at the output end of the first rotating motor, one end of the power input shaft is fixedly connected with the output end of the first rotating motor, and the other end of the power input shaft sequentially penetrates through the center of a rotating shaft of a tire, a speed change device and a first support rod to be fixedly connected with a bearing; the speed change device comprises a driving gear I, a driving gear II, a driven gear I, a driven gear II, a power output shaft and a gear shift mechanism; one end of the power output shaft is fixedly connected with the precision device; the outlet end of the storage device is connected with a rotating shaft of the side wall of the precision device, and the outlet end of the precision device is provided with a seed sowing speed control device. The seed metering device can accurately adjust the seeding distance and can simultaneously realize the simultaneous implementation of soil loosening, ditch, seed metering and soil burying.
Description
Technical Field
The invention relates to the technical field of seeding machinery, in particular to a precision seed metering device for a corn breeding test.
Background
The level of the breeding level of the corn determines the yield of the corn to a great extent, so the breeding effect of the corn is more remarkable, the quality of the breeding effect depends on the performance of a seeder to a great extent, and the development of the corn breeding equipment conforming to the modern breeding means is an inevitable trend of the mechanized development of the corn breeding.
In a corn breeding test, the planting density difference of different varieties is large, the germination rates are different, for seeds with low germination rates, in order to ensure the number of seedlings in a test cell to meet the requirement of test precision, precision sowing is usually required, and therefore, a seed sowing machine is required to be capable of sowing a fixed quantity of corn seeds in the cell according to the requirement of plant spacing, no residual seeds exist, and no mixed sowing occurs with the seeds in the next cell.
The precision seed metering device for the existing corn breeding test has the following technical defects:
1. the existing precision seed metering device for the corn breeding test cannot accurately adjust the seeding distance;
2. the existing precision seed sowing device for the corn breeding test can not realize simultaneous loosening of soil, ditch, seed sowing and burying of soil.
Disclosure of Invention
The invention aims to provide a precision seed metering device for a corn breeding test, which can accurately regulate and control a seeding distance, has the functions of loosening soil, excavating a planting ditch, metering and covering soil, and is convenient for the corn breeding test operation; meanwhile, the seed discharging device has high seed discharging efficiency and high seed discharging quality.
The technical purpose of the invention is realized by the following technical scheme: a precision seed metering device for a corn breeding test comprises a box body, wherein the bottom of the box body is provided with two first wheel grooves, tires are arranged in the two first wheel grooves, the side wall of the box body is provided with a first rotating motor, the output end of the first rotating motor is provided with a power input shaft, one end of the power input shaft is fixedly connected with the output end of the first rotating motor, and the other end of the power input shaft sequentially penetrates through the center of a rotating shaft of the tires, a speed change device and a first support rod to be fixedly connected with a bearing; the speed change device comprises a first driving gear, a second driving gear, a first driven gear, a second driven gear, a power output shaft and a gear shift mechanism; the first driving gear and the second driving gear are both sleeved on the power input shaft, and the rotating radius of the first driving gear is smaller than that of the second driving gear; the first driven gear and the second driven gear are respectively meshed with the first driving gear and the second driving gear; the first driven gear, the second driven gear and the gear shifting mechanism are all sleeved on a power output shaft, and one end of the power output shaft is fixedly connected with the precision device; the side wall of the precision device, which is far away from the power output shaft, is provided with a storage device, the outlet end of the storage device is connected with a rotating shaft of the side wall of the precision device, and the outlet end of the precision device is provided with a seed sowing speed control device; the bottom of the box body is sequentially provided with a soil covering device, a precision device, a soil shoveling device and a soil loosening device along the advancing direction, the soil covering device, the precision device, the soil shoveling device and the soil loosening device are all positioned on the same longitudinal section, and the longitudinal sections where the soil covering device, the precision device, the soil shoveling device and the soil loosening device are positioned between two tires; the bottom of the box body is provided with a second wheel groove, and the soil loosening device is positioned in the second wheel groove; the inside wall of box is equipped with control processor, the lateral wall of box is equipped with display control panel and shift knob, the bottom of box is equipped with the battery, the top of box is equipped with the pushing hands.
By adopting the technical scheme, the first driving gear and the second driving gear are sleeved on the power output shaft, the power output shaft is sleeved with the first driven gear, the second driven gear and the gear shifting device, and the first driving gear and the second driving gear are respectively meshed with the first driven gear and the second driven gear on two tooth surfaces, so that the effect of adjusting the seeding speed can be achieved; the soil covering device, the precision device, the soil shoveling device and the soil loosening device are sequentially arranged at the bottom of the box body along the advancing direction, so that the four steps of soil loosening, ditch sowing and soil burying can be simultaneously carried out, and the sowing efficiency is improved.
The invention is further configured to: the precision device comprises a precision rotary table, a seed baffle, an air injection device, a first fixed rod, an annular baffle, a feeding pipe and a discharging pipe; one side of the precision rotary table is fixedly connected with the end part of the power output shaft, and the other side of the precision rotary table is fixedly connected with the end part of the feeding pipe; the end part of the feeding pipe, which is far away from the precision rotary table, is connected with the outlet end of the storage device; a turntable cavity capable of placing seeds is arranged in the precision turntable, the annular baffle is positioned around the turntable cavity, and an opening is formed in the annular baffle positioned at the bottom of the turntable cavity; the seed baffles are equidistantly distributed along the rotating inner wall of the precision turntable, and the distance between the seed baffles is 0.5-1cm; a seed chamber is formed between two adjacent seed baffles and the inner wall of the precision rotary table; the air outlet end of the air injection device is close to one side of the seed cavity of the precision turntable; one end of the first fixing rod is fixedly connected with the top of the air injection device, and the other end of the first fixing rod is fixedly connected with the inner top of the box body; one end of the discharge pipe is close to the other side of the seed chamber of the precision rotary table, the inlet end of the discharge pipe and the air injection device are located on the same horizontal plane, and the outlet section of the discharge pipe extends to the position under the bottom of the box body.
By adopting the technical scheme, the seed baffles are equidistantly distributed on the rotating inner wall, and the distance between the seed baffles is 0.5-1cm, so that only one corn seed can be placed in each seed chamber; the opening is formed in the bottom of the annular baffle plate, which is positioned at the rotary disc chamber, so that seeds in the rotary disc chamber can continuously enter the seed chamber when the precision rotary disc rotates; through set up the air jet system in one side of seed cavity room, can make every seed all blown into the discharging pipe.
The invention is further configured to: the gear shifting mechanism comprises a control box, a servo motor I, a hollow slide block, a screw rod, a fork rod, a synchronous block and a clamping block; the synchronous block is positioned between the first driven gear and the second driven gear, and clamping blocks which can be clamped with each other are arranged on two side walls of the synchronous block and on the side walls of the first driven gear and the second driven gear, which are close to the synchronous block; one end of the fork rod is movably connected with the rotating surface of the synchronous block, and the other end of the fork rod penetrates through the bottom of the control box and is fixedly connected with the bottom of the hollow sliding block; the first servo motor is fixedly connected with the inner side wall of the control box, the output end of the first servo motor is fixedly connected with the end portion of the screw rod, the side wall of the screw rod is movably connected with the inner side wall of the hollow sliding block, and the outer side wall of the hollow sliding block is connected with the inner side wall of the control box in a sliding mode.
By adopting the technical scheme, the clamping blocks are arranged on the two sides of the synchronizing block and on the sides of the driven gear I and the driven gear II close to the synchronizing block, so that the synchronizing block can be clamped on the driven gear I or the driven gear II, and the speed change effect is achieved; through with fork arm and hollow slider fixed connection, and hollow slider and screw rod threaded connection, can drive the fork arm through a servo motor rotation and control the rotation, reach the effect that makes things convenient for the operator to shift gears the operation.
The invention is further configured to: the seed sowing rate control device comprises a rotary motor II, a rotary disc, a rotary rod, a support rod II, a reciprocating rod, a rotating shaft I and a rotating shaft II; the output of rotating electrical machines two is located fixed connection with carousel rotation axis, through a pivot swing joint between the one end of dwang and the carousel lateral wall, through two swing joints of pivot between the other end of dwang and the tip of reciprocating lever, the tip that the dwang was kept away from to the reciprocating lever passes bracing piece two and is connected with the discharging pipe.
Through adopting above-mentioned technical scheme, drive the carousel through rotating electrical machines two and rotate, the carousel drives pivot one and rotates, and the pivot drives pivot two and removes about to realize controlling the frequency that the kernel of corn fell from the discharging pipe, reach the effect of equidistance seed metering.
The invention is further configured to: the storage device comprises a seed box, a third rotating shaft, a feeding cover and a buckle; the exit end and the inlet pipe end connection of seed case, the top and the feeding lid of seed case are connected through pivot three, the top fixed connection of attacker and feeding lid.
By adopting the technical scheme, the outlet end of the seed box is connected with the end part of the feeding pipe, so that the corn can enter the precision device; the feeding cover is arranged at the top of the seed box, so that external impurities can be prevented from entering the seed box.
The invention is further configured to: the soil loosening device comprises a vibration wheel, steel balls, a centrifugal block, a support frame and a plurality of soil loosening rods; the ends of the soil loosening rods are distributed at equal intervals along the rotating surface of the vibration wheel; the support frame is U-shaped, the vibration wheel and the centrifugal block are sleeved on a horizontal shaft of the support frame, the top end of the support frame is fixedly connected with the top end of the interior of the box body, and the steel balls are located in the centrifugal block.
Through adopting above-mentioned technical scheme, be convenient for realize the effect of loosening the soil fast, and can reduce dependent manual operation.
The invention is further configured to: the soil shoveling device comprises a soil shoveling device, a rotating rod and a distance adjusting device; the top of the scraper is connected with one end of a rotating rod, and the end, far away from the scraper, of the rotating rod is movably connected with a distance adjusting device.
By adopting the technical scheme, the effect of a ditch can be achieved by arranging the scraper; the distance adjusting device is arranged at the end part, far away from the shoveling device, of the rotary rod, the distance between the shoveling device and the soil loosening device can be adjusted, and therefore the best ditch effect is achieved under the condition of different lands.
The invention is further configured to: the distance adjusting device comprises a plurality of servo motors II, a plurality of threaded rods, a plurality of cylindrical slide bars and a plurality of cuboid slide bars; the output end of the servo motor II is fixed with the end part of the threaded rod, the side wall of the threaded rod is movably connected with the inner wall of the cylindrical sliding rod, and the bottom of the cylindrical sliding rod is fixedly connected with the top of the cuboid sliding rod; a threaded groove is formed in the cuboid sliding rod; the inside of the thread groove is movably connected with the rotating rod.
Through adopting above-mentioned technical scheme, can be connected with different thread groove through changing the rotary rod to realize adjusting the distance of shovel native device and the device that loosens the soil, thereby realize reaching the best irrigation canals and ditches effect according to different soil qualities.
The invention is further configured to: the soil covering device comprises two fixing rods II and two soil covering devices, the tops of the fixing rods II are fixedly connected with the bottom end outside the box body, the bottoms of the fixing rods II are fixedly connected with the tops of the two soil covering devices, and the two soil covering devices are distributed in a shape similar to a Chinese character 'ba'.
Through adopting above-mentioned technical scheme, two loam cake wares are the splayed and distribute, are convenient for realize carrying out the effect of landfill to the channel.
In conclusion, the invention has the following beneficial effects: the power input shaft is driven to rotate by the rotating motor, the power input shaft drives the driving gear I and the driving gear II to rotate, the driving gear I and the driving gear II respectively drive the driven gear I and the driven gear II to rotate, an operator moves the synchronizing block to enable the synchronizing block to be respectively clamped with the driven gear I or the driven gear II through the clamping block, and due to the fact that the angular velocities of the driven gear I and the driven gear II are different, the angular velocity of the synchronizing block is changed according to the driven gear I and the driven gear II, the rotating speed of the precision rotary table is changed, and the effect of changing the precision speed is achieved; the soil covering device, the precision device, the soil shoveling device and the soil loosening device are sequentially arranged at the bottom of the box body along the advancing direction, so that the four steps of soil loosening, ditch sowing and soil burying can be simultaneously carried out, and the sowing efficiency is improved.
Drawings
FIG. 1 is a front cross-sectional view of a precision seed metering device for a corn breeding test in an embodiment of the present invention;
FIG. 2 is a side cross-sectional view of a precision seed metering device for a corn breeding test in an embodiment of the present invention;
in the figure: 1. a feeding cover; 2. buckling a handle; 3. a rotating shaft III; 4. a seed box; 5. a feed pipe; 6. a box body; 7. a turntable; 8. a wheel groove I; 9. a battery; 10. a bearing; 11. a second rotating motor; 12. a first rotating shaft; 13. rotating the rod; 14. a second rotating shaft; 15. a second supporting rod; 16. a reciprocating lever; 17. a second fixing rod; 18. a discharge pipe; 19. a covering device; 20. a seed chamber; 21. a seed baffle; 22. a precision rotating disc; 23. a second driving gear; 24. a first supporting rod; 25. a driven gear II; 26. a first driving gear; 27. a clamping block; 28. a power input shaft; 29. a first rotating motor; 30. a synchronization block; 31. a tire; 32. a switch button; 33. a power take-off shaft; 34. a control processor; 35. a first driven gear; 36. a display control panel; 37. a fork lever; 38. a control box; 39. a hollow slider; 40. an air injection device; 41. a screw; 42. a first servo motor; 43. a pushing handle; 44. fixing a rod I; 45. a carousel chamber; 46. an annular baffle; 47. a support frame; 48. a wheel groove II; 49. a soil loosening rod; 50. a vibration wheel; 51. a centrifugal block; 52. steel balls; 53. a servo motor II; 54. a cuboid slide bar; 55. a scraper; 56. a cylindrical slide bar; 57. rotating the rod; 58. a threaded recess; 59. a threaded rod; 60. and (4) opening.
Detailed Description
The present invention is described in further detail below with reference to fig. 1 and 2.
The embodiment is as follows: a precision seed sowing device for a corn breeding test is disclosed, as shown in figures 1 and 2, and comprises a box body 6, wherein the bottom of the box body 6 is provided with two wheel grooves I8, tires 31 are respectively arranged in the two wheel grooves I8, the side wall of the box body 6 is fixedly provided with a rotating motor I29, the output end of the rotating motor I29 is fixedly provided with a power input shaft 28, one end of the power input shaft 28 is fixedly connected with the output end of the rotating motor I29, and the other end of the power input shaft 28 sequentially penetrates through the center of a rotating shaft of the tire 31, a speed change device and a supporting rod I24 to be fixedly connected with the rotating center of a bearing 10; the speed change device comprises a first driving gear 26, a second driving gear 23, a first driven gear 35, a second driven gear 25, a power output shaft 33 and a gear shift mechanism; the driving gear I26 and the driving gear II 23 are both sleeved on the power input shaft 28, and the rotating radius of the driving gear I26 is smaller than that of the driving gear II 23; the driven gear I35 and the driven gear II 25 are respectively meshed with the driving gear I26 and the driving gear II 23; the first driven gear 35, the second driven gear 25 and the gear shifting mechanism are all sleeved on the power output shaft 33, and one end of the power output shaft 33 is fixedly connected with the precision device; the side wall of the precision device, which is far away from the power output shaft 33, is provided with a storage device, the outlet end of the storage device is communicated with a rotating shaft on the side wall of the precision device, and the outlet end of the precision device is provided with a seed sowing speed control device; the bottom of the box body 6 is sequentially provided with a soil covering device, a precision device, a soil shoveling device and a soil loosening device along the advancing direction, the soil covering device, the precision device, the soil shoveling device and the soil loosening device are all positioned on the same longitudinal section, and the longitudinal section where the soil covering device, the precision device, the soil shoveling device and the soil loosening device are positioned is positioned between two tires 31; the bottom of the box body 6 is provided with a second wheel groove 48, and the soil loosening device is positioned in the second wheel groove 48; the control processor 34 is fixedly installed on the inner side wall of the box body 6, the display control panel 36 and the switch button 32 are fixedly installed on the outer side wall of the box body 6, the storage battery 9 is fixedly installed at the bottom of the box body 6, and the push handle 43 is fixedly installed at the top of the box body 6.
In the embodiment, when the operator needs to use the precision seeding device, the switch button 32 is firstly turned on, at this time, the storage battery 9 is electrified for the whole device, and then the operator sets the seeding distance on the display control panel 36; the information on the display control panel 36 is transmitted to the control processor 34, the control processor 34 converts the set information into operable information and then adjusts the rotation rate of the first rotating motor 29 and the working frequency of the seed metering rate control device, the output end of the first rotating motor 29 rotates according to the information sent by the control processor 34, the first rotating motor 29 drives the power input shaft 28 to rotate, the power input shaft 28 is fixedly connected with the bearing 10 to drive the tire 31 to rotate, and therefore the whole device moves forwards; meanwhile, the power input shaft 28 drives the first driving gear 26 and the second driving gear 23 to rotate, and the first driving gear 26 and the second driving gear 23 respectively drive the first driven gear 35 and the second driven gear 25 to rotate; the first driven gear 35 and the second driven gear 25 are in sliding connection with the power output shaft 33, the shifting mechanism is fixedly connected with the power output shaft 33, and when the shifting mechanism is not in contact with the first driven gear 35 or the second driven gear 25, the first driven gear 35 and the second driven gear 25 do not rotate to drive the power output shaft 33 to rotate; in addition, the rotating radius of the driving gear II 23 is larger than that of the driving gear I26, and the rotating radius of the driven gear II 25 corresponding to the rotating radius is smaller than that of the driven gear I35; the operator can control the direction by holding the push handle 43 while the entire seed metering device is moving forward.
The precision device comprises a precision turntable 22, a seed baffle plate 21, an air injection device 40, a first fixing rod 44, an annular baffle plate 46, a feeding pipe 5 and a discharging pipe 18; one side of the precision rotary table 22 is fixedly connected with the end part of the power output shaft 33, and the other side of the precision rotary table 22 is fixedly connected with the end part of the feeding pipe 5; the end part of the feeding pipe 5 far away from the precision rotary table 22 is fixedly connected with the outlet end of the storage device; a turntable chamber 45 capable of placing seeds is installed in the precision turntable 22, the annular baffle 46 is positioned around the turntable chamber 45, and an opening 60 is formed in the bottom of the annular baffle 46 positioned at the turntable chamber 45; the seed baffles 21 are equidistantly distributed along the rotating inner wall of the precision turntable 22, and the distance between the seed baffles 21 is 0.5-1cm; a seed chamber 20 is formed between two adjacent seed baffles 21 and the inner wall of the precision rotary table 22; the air outlet end of the air injection device 40 is close to one side of the seed cavity chamber 20 of the precision rotary disc 22; one end of the first fixing rod 44 is fixedly connected with the top of the air injection device 40, and the other end of the first fixing rod 44 is fixedly connected with the inner top of the box body 6; one end of the discharge pipe 18 is close to the other side of the seed cavity chamber 20 of the precision rotary table 22, the inlet end of the discharge pipe 18 and the air injection device 40 are located on the same horizontal plane, and the outlet section of the discharge pipe 18 extends to the position right below the bottom of the box body 6.
In this embodiment, when the output end of the speed changing device drives the precision turntable 22 to rotate, the seed baffle 21 in the precision turntable 22 continues to rotate, and the seed baffle 21 in the precision turntable 22 also rotates around the axis of the precision turntable 22; seed in the storage device passes through inlet pipe 5 and gets into carousel cavity 45, because the bottom that the precision carousel 22 is close to the annular chamber baffle is opened there is opening 60, and the annular shelves pole is fixed can not rotate, maize seed can only get into every seed chamber 20 through opening 60 department of annular baffle 46, every seed chamber 20 can only place a maize seed, it is rotatory through precision carousel 22 like this, can carry out the partial shipment with the kernel of corn seed, because air jet system 40 lasts the air injection, can blow into discharging pipe 18 with the kernel of corn through the air jet system 40 air injection end, the kernel of corn finally gets into discharging pipe 18.
The gear shifting mechanism comprises a control box 38, a servo motor I42, a hollow slide block 39, a screw rod 41, a fork rod 37, a synchronous block 30 and a clamping block; the synchronous block 30 is positioned between the first driven gear 35 and the second driven gear 25, and clamping blocks 27 which can be clamped with each other are fixedly arranged on two side walls of the synchronous block 30 and on the side walls, close to the synchronous block 30, of the first driven gear 35 and the second driven gear 25; one end of the fork rod 37 is movably connected with the rotating surface of the synchronous block 30, and the other end of the fork rod 37 penetrates through the bottom of the control box 38 and is fixedly connected with the bottom of the hollow sliding block 39; the first servo motor 42 is fixedly connected with the inner side wall of the control box 38, the output end of the first servo motor 42 is fixedly connected with the end part of the screw rod 41, the side wall of the screw rod 41 is movably connected with the inner side wall of the hollow slide block 39, and the outer side wall of the hollow slide block 39 is in sliding connection with the inner side wall of the control box 38.
In this embodiment, when the first driven gear 35 and the second driven gear 25 rotate, an operator can select whether the precision rate is a high speed or a low speed on the display control panel 36, when the operator selects the high speed on the display control panel 36, the display control panel 36 transmits information to the control processor 34, the control processor 34 converts visual information into operation information, then adjusts the first servo motor 42 to rotate, the output end of the first servo motor 42 drives the screw rod 41 to rotate, the screw rod 41 rotates to enable the hollow slider 39 to slide leftwards along the inner wall of the control box 38, the hollow slider 39 drives the fork rod 37 to move leftwards, the fork rod 37 drives the synchronizing block 30 to move towards the second driven gear 25, finally, the second driven gear 25 and the synchronizing block 30 are clamped together by the clamping block 27 to rotate synchronously, and as the rotation angle speed of the second driven gear 25 is higher, the rotation angle speed of the synchronizing block 30 is higher, and the rotation speed of the power output shaft 33 is higher, so that the rotation speed of the precision rotary table 22 is higher, and the effect of high-rate precision corn seeds is achieved; similarly, when the operator selects the low-speed precision on the display control panel 36, the control processor 34 adjusts the first servo motor 42 to rotate reversely, so that the hollow slide block 39 moves rightwards, the hollow slide block 39 drives the fork rod 37 to move rightwards, the fork rod 37 drives the synchronizing block 30 to move towards the first driven gear 35, the synchronizing block 30 and the first driven gear 35 are clamped through the clamping block 27, the power output shaft 33 rotates at a low speed, the precision rotary disc 22 rotates at a low speed, and the effect of low-speed precision corn seeds is achieved.
The seed sowing rate control device comprises a second rotating motor 11, a rotary disk 7, a rotary rod 13, a second supporting rod 15, a reciprocating rod 16, a first rotating shaft 12 and a second rotating shaft 14; the output end of the second rotating motor 11 is fixedly connected with the rotating shaft center of the rotating disc 7, one end of the rotating rod 13 is movably connected with the side wall of the rotating disc 7 through a first rotating shaft 12, the other end of the rotating rod 13 is movably connected with the end part of the reciprocating rod 16 through a second rotating shaft 14, and the end part, far away from the rotating rod 13, of the reciprocating rod 16 penetrates through a second supporting rod 15 to be connected with the discharge pipe 18.
In this embodiment, the operator selects the seed metering distance on the display control panel 36, the display control panel 36 transmits the visual information to the control processor 34, the control processor 34 converts the visual information into the operation information to adjust the rotating motor two 11, the rotating motor two 11 drives the rotating disc 7 to rotate, the rotating disc 7 drives the rotating rod 13 to rotate through the rotating shaft one 12, the rotating rod 13 drives the reciprocating rod 16 to reciprocate left and right through the rotating shaft two 14, when the reciprocating rod 16 moves left, the discharging pipe 18 is opened, the corn seeds leave the device from the outlet end of the discharging pipe 18, when the reciprocating rod 16 moves right, the discharging pipe 18 is closed, the corn seeds cannot fall out of the device, and thus, the seed metering according to the set distance is realized.
The storage device comprises a seed box 4, a rotating shaft III 3, a feeding cover 1 and a buckle 2; the exit end and the inlet pipe 5 end connection of seed case 4, the top and the feeding lid 1 of seed case 4 are connected through three 3 of pivots, and attacker 2 and the top fixed connection of feeding lid 1.
In this embodiment, when the seed box 4 has less corn kernels, the corn kernels can be added to the seed box 4 by opening the feeding cover 1 through the locking handle 2.
The ripping device comprises a jolt wheel 50, steel balls 52, centrifugal blocks 51, a support frame 47 and a plurality of ripping rods 49; the ends of the plurality of ripping bars 49 are distributed at equal intervals along the rotation surface of the vibration wheel 50; the supporting frame 47 is U-shaped, the vibration wheel 50 and the centrifugal block 51 are both sleeved on a horizontal shaft of the supporting frame 47, the top end of the supporting frame 47 is fixedly connected with the top end of the interior of the box body 6, and the steel ball 52 is located in the centrifugal block 51.
In this embodiment, the tip of the pole 49 that loosens the soil is sharp, and when vibrations wheel 50 rotated, the tip of the pole 49 that loosens the soil can insert and excavate soil, because install centrifugal piece 51 in vibrations wheel 50, and have steel ball 52 in the centrifugal piece 51, vibrations wheel 50 is changing at the rotation in-process focus all the time, and receives the effect of steel ball 52 for whole device that loosens the soil can continuously shake when rotating, can loosen the soil to harder soil.
The shoveling device comprises a shoveling device 55, a rotating rod 57 and a distance adjusting device; the top of the scraper 55 is connected with one end of a rotating rod 57, and the end of the rotating rod 57 far away from the scraper 55 is movably connected with a distance adjusting device.
In this embodiment, the shovel 55 can adjust the distance from the soil loosening device through the distance adjusting device, so as to achieve the best ditch effect according to different lands.
The distance adjusting device comprises a plurality of servo motors II 53, a plurality of threaded rods 59, a plurality of cylindrical sliding rods 56 and a plurality of cuboid sliding rods 54; the output end of the second servo motor 53 is fixed with the end part of a threaded rod 59, the side wall of the threaded rod 59 is movably connected with the inner wall of a cylindrical sliding rod 56, and the bottom of the cylindrical sliding rod 56 is fixedly connected with the top of a cuboid sliding rod 54; a thread groove 58 is arranged in the cuboid sliding rod 54; the threaded groove 58 is movably connected with the rotating rod 57.
In this embodiment, the operator inserts the rotating rod 57 into different thread grooves 58 according to different soil conditions, when inserting a thread groove 58, the operator sets the height of the soil shoveling device 55 on the display control panel 36, the display control panel 36 transmits information to the control processor 34, the control processor 34 adjusts the rotation of the second servo motor 53, the output end of the second servo motor 53 rotates to drive the threaded rod 59 to rotate, when the threaded rod 59 rotates, the cylindrical sliding rod 56 can move up and down, and the cuboid sliding rod 54 fixedly connected with the cylindrical sliding rod can also move up and down, so that the distance between the soil shoveling device 55 and the soil loosening device can be adjusted, and the optimal soil shoveling effect can be achieved.
The soil covering device comprises two second fixing rods 17 and two soil covering devices 19, the tops of the two second fixing rods 17 are fixedly connected with the outer bottom end of the box body 6, the bottoms of the two second fixing rods 17 are fixedly connected with the tops of the two soil covering devices 19, and the two soil covering devices 19 are distributed in a shape similar to a Chinese character 'ba'.
In this embodiment, the two soil covering devices 19 are distributed in a shape similar to a Chinese character 'ba', so as to achieve the soil covering effect.
The working principle is as follows: the first rotating motor 29 drives the power input shaft 28 to rotate, the power input shaft 28 drives the first driving gear 26 and the second driving gear 23 to rotate, the first driving gear 26 and the second driving gear 23 respectively drive the first driven gear 35 and the second driven gear 25 to rotate, an operator moves the synchronizing block 30 to enable the synchronizing block 30 to be respectively clamped with the first driven gear 35 or the second driven gear 25 through the clamping block 27, and due to the fact that the angular velocities of the first driven gear 35 and the second driven gear 25 are different, the angular velocity of the synchronizing block 30 is changed according to the first driven gear 35 and the second driven gear 25, the rotating speed of the precision rotary disc 22 is changed, and the effect of changing precision speed seeding is achieved; the soil covering device, the precision device, the soil shoveling device and the soil loosening device are sequentially arranged at the bottom of the box body 6 along the advancing direction, so that the four steps of soil loosening, ditch sowing and soil burying can be simultaneously carried out, and the sowing efficiency is improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the present invention.
Claims (8)
1. The utility model provides a smart volume seed metering device of experimental usefulness of maize breeding, includes box (6), characterized by: the bottom of the box body (6) is provided with two wheel grooves I (8), tires (31) are arranged in the two wheel grooves I (8), the side wall of the box body (6) is provided with a rotating motor I (29), the output end of the rotating motor I (29) is provided with a power input shaft (28), one end of the power input shaft (28) is fixedly connected with the output end of the rotating motor I (29), and the other end of the power input shaft (28) sequentially penetrates through the center of a rotating shaft of the tires (31), and the speed change device, a supporting rod I (24) and a bearing (10) are fixedly connected; the speed change device comprises a first driving gear (26), a second driving gear (23), a first driven gear (35), a second driven gear (25), a power output shaft (33) and a gear shift mechanism; the first driving gear (26) and the second driving gear (23) are both sleeved on the power input shaft (28), and the rotating radius of the first driving gear (26) is smaller than that of the second driving gear (23); the driven gear I (35) and the driven gear II (25) are respectively meshed with the driving gear I (26) and the driving gear II (23); the first driven gear (35), the second driven gear (25) and the gear shifting mechanism are all sleeved on the power output shaft (33), and one end of the power output shaft (33) is fixedly connected with the precision device; the side wall of the precision device, which is far away from the power output shaft (33), is provided with a storage device, the outlet end of the storage device is connected with a rotating shaft of the side wall of the precision device, and the outlet end of the precision device is provided with a seed sowing speed control device;
the bottom of the box body (6) is sequentially provided with a soil covering device, a precision device, a soil shoveling device and a soil loosening device along the advancing direction, the soil covering device, the precision device, the soil shoveling device and the soil loosening device are all positioned on the same longitudinal section, and the longitudinal section where the soil covering device, the precision device, the soil shoveling device and the soil loosening device are positioned is positioned between two tires (31); a second wheel groove (48) is formed in the bottom of the box body (6), and the soil loosening device is located in the second wheel groove (48);
the inner side wall of the box body (6) is provided with a control processor (34), the outer side wall of the box body (6) is provided with a display control panel (36) and a switch button (32), the bottom of the box body (6) is provided with a storage battery (9), and the top of the box body (6) is provided with a push handle (43);
the soil loosening device comprises a vibration wheel (50), steel balls (52), centrifugal blocks (51), a support frame (47) and a plurality of soil loosening rods (49); the ends of the soil loosening rods (49) are distributed at equal intervals along the rotating surface of the vibration wheel (50); the supporting frame (47) is U-shaped, the vibration wheel (50) and the centrifugal block (51) are both sleeved on a horizontal shaft of the supporting frame (47), the top end of the supporting frame (47) is fixedly connected with the top end of the inner portion of the box body (6), and the steel ball (52) is located in the centrifugal block (51).
2. The precision seed metering device for the corn breeding test according to claim 1, which is characterized in that: the precision device comprises a precision rotary table (22), a seed baffle plate (21), an air injection device (40), a fixed rod I (44), an annular baffle plate (46), a feeding pipe (5) and a discharging pipe (18); one side of the precision rotary table (22) is fixedly connected with the end part of the power output shaft (33), and the other side of the precision rotary table (22) is fixedly connected with the end part of the feeding pipe (5); the end part, far away from the precision rotary table (22), of the feeding pipe (5) is connected with the outlet end of the storage device; a cavity capable of placing seeds is arranged in the precision rotary table (22), the annular baffle (46) is positioned around the rotary table cavity (45), and an opening (60) is formed in the position, at the bottom of the rotary table cavity (45), of the annular baffle (46); the seed baffles (21) are equidistantly distributed along the rotating inner wall of the precision turntable (22), and the distance between the seed baffles (21) is 0.5-1cm; a seed cavity (20) is formed between the two adjacent seed baffles (21) and the inner wall of the precision rotary table (22); the air outlet end of the air injection device (40) is close to one side of the seed cavity chamber (20) of the precision rotary disc (22); one end of the first fixing rod (44) is fixedly connected with the top of the air injection device (40), and the other end of the first fixing rod (44) is fixedly connected with the inner top of the box body (6); one end of the discharge pipe (18) is close to the other side of the seed cavity (20) of the precision rotary table (22), the inlet end of the discharge pipe (18) and the air injection device (40) are located on the same horizontal plane, and the outlet section of the discharge pipe (18) extends to the position under the bottom of the box body (6).
3. The precision seed metering device for the corn breeding test according to claim 1, which is characterized in that: the gear shifting mechanism comprises a control box (38), a servo motor I (42), a hollow sliding block (39), a screw rod (41), a fork rod (37), a synchronous block (30) and a clamping block; the synchronous block (30) is positioned between the first driven gear (35) and the second driven gear (25), and clamping blocks (27) which can be mutually clamped are arranged on the two side walls of the synchronous block (30) and the side walls, close to the synchronous block (30), of the first driven gear (35) and the second driven gear (25); one end of the fork rod (37) is movably connected with the rotating surface of the synchronous block (30), and the other end of the fork rod (37) penetrates through the bottom of the control box (38) and is fixedly connected with the bottom of the hollow sliding block (39); the servo motor I (42) is fixedly connected with the inner side wall of the control box (38), the output end of the servo motor I (42) is fixedly connected with the end part of the screw rod (41), the side wall of the screw rod (41) is movably connected with the inner side wall of the hollow sliding block (39), and the outer side wall of the hollow sliding block (39) is slidably connected with the inner side wall of the control box (38).
4. The precision seed metering device for the corn breeding test according to claim 1, which is characterized in that: the seed sowing rate control device comprises a second rotating motor (11), a rotary table (7), a rotary rod (13), a second support rod (15), a reciprocating rod (16), a first rotating shaft (12) and a second rotating shaft (14); the output of rotating electrical machines two (11) and carousel (7) rotation axis department fixed connection, through pivot one (12) swing joint between the one end of dwang (13) and carousel (7) lateral wall, through pivot two (14) swing joint between the other end of dwang (13) and the tip of reciprocating lever (16), the tip that dwang (13) was kept away from in reciprocating lever (16) passes bracing piece two (15) and is connected with discharging pipe (18).
5. The precision seed metering device for the corn breeding test as claimed in claim 1, characterized in that: the storage device comprises a seed box (4), a third rotating shaft (3), a feeding cover (1) and a buckle (2); the exit end and the inlet pipe (5) end connection of case (4), the top and the feeding lid (1) of case (4) are connected through three (3) of pivot, the top fixed connection of attacker (2) and feeding lid (1).
6. The precision seed metering device for the corn breeding test as claimed in claim 1, characterized in that: the soil shoveling device comprises a soil shoveling device (55), a rotating rod (57) and a distance adjusting device; the top of scraper (55) is connected with the one end of rotary rod (57), the tip and the distance adjusting device swing joint of scraper (55) are kept away from to rotary rod (57).
7. The precision seed metering device for the corn breeding test according to claim 6, which is characterized in that: the distance adjusting device comprises a plurality of second servo motors (53), a plurality of threaded rods (59), a plurality of cylindrical sliding rods (56) and a plurality of cuboid sliding rods (54); the output end of the servo motor II (53) is fixed with the end part of a threaded rod (59), the side wall of the threaded rod (59) is movably connected with the inner wall of a cylindrical sliding rod (56), and the bottom of the cylindrical sliding rod (56) is fixedly connected with the top of a cuboid sliding rod (54); a threaded groove (58) is formed in the cuboid sliding rod (54); the inside of the thread groove (58) is movably connected with a rotating rod (57).
8. The precision seed metering device for the corn breeding test according to claim 1, which is characterized in that: the soil covering device comprises two fixing rods II (17) and two soil covering devices (19), wherein the tops of the fixing rods II (17) are fixedly connected with the outer bottom end of the box body (6), the bottoms of the fixing rods II (17) are fixedly connected with the tops of the two soil covering devices (19), and the two soil covering devices (19) are distributed in a shape like a Chinese character 'ba'.
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| CN102598923A (en) * | 2011-01-25 | 2012-07-25 | 华中农业大学 | Internal inflation blow type compatible precision seed sowing device for rape and wheat |
| US10058023B2 (en) * | 2016-07-13 | 2018-08-28 | Amvac Chemical Corporation | Electronically pulsing agricultural product with seed utilizing seed transport mechanism |
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| JPH09121611A (en) * | 1995-10-27 | 1997-05-13 | Toko Sangyo Kk | Device for loosening the earth |
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