CN109005787B - Accurate positioning seeding equipment and working method - Google Patents
Accurate positioning seeding equipment and working method Download PDFInfo
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- CN109005787B CN109005787B CN201810978862.XA CN201810978862A CN109005787B CN 109005787 B CN109005787 B CN 109005787B CN 201810978862 A CN201810978862 A CN 201810978862A CN 109005787 B CN109005787 B CN 109005787B
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- clamping mechanism
- poking needle
- seed
- poking
- floating wheel
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/04—Single-grain seeders with or without suction devices
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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 discloses a precision positioning seeding device and a working method, which are characterized in that: the device comprises a frame, a bottom plate, a seed box, a pressing mechanism, a poking needle amplitude variation mechanism and poking needles, wherein the frame is provided with a guide plate, the guide plate is connected with the poking needle amplitude variation mechanism, the pressing mechanism is used for driving the poking needle amplitude variation mechanism to move downwards along the guide plate, the seed box is arranged below the poking needle amplitude variation mechanism, the seed box is provided with a seed channel and a seed box hole, the seed box hole is connected with the seed channel, the poking needles are provided with poking needle grooves, and the poking needles are connected with the seed box holes; the poking needle amplitude variation mechanism comprises a floating wheel assembly, a lower clamping mechanism, an upper clamping mechanism and a reset plate, wherein the floating wheel assembly comprises a floating wheel shaft and a floating wheel connected to the lower end of the floating wheel shaft, the floating wheel shaft is connected with the lower clamping mechanism, the clamping end of the lower clamping mechanism is connected with the poking needle, the upper end of the poking needle is connected with the upper clamping mechanism, the upper clamping mechanism is provided with a bulge, and the bulge is connected with the reset plate through a reset spring. The invention can ensure single seed sowing and ensure that the seed stamping depth and the sowing interval are consistent.
Description
Technical Field
The invention relates to the technical field of agricultural equipment, in particular to precise positioning seeding equipment.
Background
Dense sowing is to sow a predetermined number of seeds to a predetermined location in the soil, and includes three-dimensional space coordinates and number of seeds, i.e., sowing row spacing, intra-row grain spacing, sowing depth and number of grains per hole. Any deviation or inaccuracy in the parameter values will affect the even distribution of seeds in the field, affect the field emergence rate and uniformity of seedling growth, and affect the field management and mechanical harvesting later. The accurate positioning sowing can save a large number of good varieties, and the accurate positioning sowing crops and plants are uniformly distributed, the nutrition area is reasonable, the ventilation and light transmission are realized, the growth and development of seedlings are good, and the yield is increased compared with the common drill sowing. In order to achieve accurate positioning and seeding in the true sense, the research on the accurate seeding apparatus is far from enough, and the literature can know that the influence on the accurate positioning and seeding quality is mainly divided into two major parts: firstly, the single seed sowing quality of the seed sowing device and secondly, the field factors influencing the sowing quality. The existing precision seed metering devices are various, basically meet the precision seed metering quality requirement, but have the same problem, when the precision positioning sowing is carried out on the complicated uneven ground surface, the situation that seeds broadcast by the seed metering device fall to the preset position of soil cannot be guaranteed due to the uneven ground surface, and the seeds fall to the ground surface under the action of inertia and gravity to bounce can be avoided.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the accurate positioning seeding equipment, and solves the technical problem that the seeding precision of the seeding equipment in the prior art cannot be ensured when the surface of the ground is uneven.
In order to achieve the above object, the present invention adopts the following technical scheme:
the utility model provides a precision positioning seeding equipment which characterized in that: the device comprises a frame, a bottom plate, a seed box, a pressing mechanism, a poking needle amplitude variation mechanism and poking needles, wherein the frame is provided with a guide plate, the guide plate is connected with the poking needle amplitude variation mechanism, the pressing mechanism is used for driving the poking needle amplitude variation mechanism to move downwards along the guide plate, the seed box is arranged below the poking needle amplitude variation mechanism, the seed box is provided with a seed channel and a seed box hole, the seed box hole is connected with the seed channel, the poking needles are provided with poking needle grooves, and the poking needles are connected with the seed box holes;
the poking needle amplitude variation mechanism comprises a floating wheel assembly, a lower clamping mechanism, an upper clamping mechanism and a reset plate, wherein the floating wheel assembly comprises a floating wheel shaft and a floating wheel connected to the lower end of the floating wheel shaft, the floating wheel shaft is connected with the lower clamping mechanism, the clamping end of the lower clamping mechanism is connected with the poking needle, the upper end of the poking needle is connected with the upper clamping mechanism, the upper clamping mechanism is provided with a bulge, and the bulge is connected with the reset plate through a reset spring.
The pressing mechanism comprises a cam, a middle plate, a motor and an upright post, wherein the middle plate is connected to the frame through the upright post, the cam and the motor are both arranged on the middle plate, and the motor drives the cam to rotate through the speed change mechanism.
The speed change mechanism comprises a driving gear and a driven gear which are meshed with each other, the driving gear is connected with a power output shaft of the motor, and the driven gear is connected with the cam.
The four upright posts are respectively arranged at four corners of the middle plate.
The upper and lower heights of the middle plate of the precision positioning sowing equipment can be adjusted along the upright post.
The precision positioning seeding equipment is characterized in that the lower clamping mechanism and the upper clamping mechanism are both hydraulic clamping mechanisms.
The accurate positioning seeding equipment is characterized in that a plurality of casters are arranged below the frame.
The working method based on the accurate positioning seeding equipment is characterized by comprising the following steps of: the method works according to the following steps:
s1: the lower clamping mechanism is in a clamping state, the floating wheel is in contact with the ground surface to be sown, the floating wheel shaft moves upwards, and the poking needle moves upwards through the lower clamping mechanism;
s2: the upper clamping mechanism clamps the poking needle;
s3: the lower clamping mechanism is loosened;
s4: the pressing plate moves downwards to press the upper end of the upper clamping mechanism, so that each poking needle pokes to a field to be sowed;
s5: the pressing plate is lifted, and the upper clamping mechanism is loosened after the reset spring drives the upper clamping mechanism to reset.
The invention has the beneficial effects that:
because the distance between the lower ends of the poking needles and the ground surface right below is adjusted along with the contact between the floating wheel and the ground surface when the poking needles move downwards every time, the distances between the lower ends of all the poking needles and the ground surface right below are almost consistent, the poking depths of all the poking needles can be ensured to be consistent, and the sowing intervals can be kept consistent because the spacing between the poking needles is fixed.
The poking needle grooves are connected with the seed channels, the specifications of the poking needle grooves are equivalent to those of seeds to be sowed, the seeds can move in the seed channels in a single-row direction, only one seed can be conveyed in the poking needle grooves each time, each poking needle can be ensured to be capable of sowing one seed each time, and the precision of sowing is ensured.
Drawings
FIG. 1 is an overall isometric view of the present invention;
FIG. 2 is an enlarged view of a portion of the seed box of the present invention;
FIG. 3 is a perspective view of the inventive poking needle;
FIG. 4 is a schematic diagram of a needle-poking luffing mechanism of the present invention;
FIG. 5 is an isometric view of a pressing mechanism of the present invention;
meaning of reference numerals: 1-a frame; 11-casters; 12-stand columns; 13-a guide plate; 2-a bottom plate; 3-seed box; 4-a pressing mechanism; 41-cam; 42-an intermediate plate; 43-motor; 5-a poking needle amplitude variation mechanism; 51-pressing plate; 6-poking a needle; 61-poking needle grooves; 31-species channel; 32-seed box holes; 7-floating axle; 71-a floating wheel; 8-a lower clamping mechanism; 9-an upper clamping mechanism; 91-bump; 10-resetting the plate; 11-return spring.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 3: the utility model provides a precision positioning seeding equipment, which comprises a frame 1, the bottom plate 2, the kind box 3, press the mechanism 4, mark needle luffing mechanism 5 and mark needle 6, frame 1 is equipped with deflector 13, deflector 13 connects mark needle luffing mechanism 5, press the mechanism 4 and be used for driving mark needle luffing mechanism 5 along deflector 13 downward movement, kind box 3 sets up in the below that marks needle luffing mechanism 5, kind box 3 is equipped with kind passageway 31 and kind box hole 32, kind box hole 32 connects kind passageway 31, mark needle 6 is equipped with marks needle recess 61, mark needle 6 even inoculates box hole 32.
As shown in fig. 4: the poking needle amplitude changing mechanism 5 comprises a floating wheel assembly, a lower clamping mechanism 8, an upper clamping mechanism 9 and a reset plate 10, wherein the floating wheel assembly comprises a floating wheel shaft 7 and a floating wheel 71 connected to the lower end of the floating wheel shaft 7, the floating wheel shaft 7 is connected with the lower clamping mechanism 8, the clamping end of the lower clamping mechanism 8 is connected with the poking needle 6, the upper end of the poking needle 6 is connected with the upper clamping mechanism 9, the upper clamping mechanism 9 is provided with a protrusion 91, and the protrusion 91 is connected with the reset plate 10 through a reset spring 11.
As shown in fig. 5: the pressing mechanism 4 includes a cam 41, an intermediate plate 42, a motor 43, and a column 12, the intermediate plate 42 is connected to the frame 1 via the column 12, the cam 41 and the motor 43 are both provided on the intermediate plate 42, and the motor 43 drives the cam 41 to rotate via a speed change mechanism. Specifically, the speed change mechanism includes a driving gear and a driven gear which are engaged with each other, the driving gear being connected to a power output shaft of the motor 43, and the driven gear being connected to the cam 41.
The four columns 12 of the present embodiment are preferably provided, and the four columns 12 are respectively provided at four corners of the intermediate plate 42.
To meet the requirements of different sowing depths, the upper and lower heights of the intermediate plate 42 are adjustable along the upright 12.
The lower clamping mechanism 8 and the upper clamping mechanism 9 are both preferably hydraulic clamping mechanisms. The structure and working principle of the lower clamping mechanism 8 and the upper clamping mechanism 9 belong to the prior art, and the description of this embodiment is omitted.
In order to facilitate the whole movement of the equipment, a plurality of casters 11 are also arranged below the frame 1.
The embodiment also discloses a working method of the precise positioning sowing equipment, which comprises the following steps:
first,: before working, the lower clamping mechanism 8 is in a clamping state, the upper clamping mechanism 9 is in a loosening state, then the floating wheel 71 is in contact with the ground surface to be sown, the floating wheel shaft 7 moves upwards, the poking needle 6 moves upwards through the lower clamping mechanism 8, at the moment, as the floating wheel 71 is positioned on the upper surface of the ground surface, when the ground surface is uneven, the concave-convex condition of the ground surface can be transmitted to the poking needle 6 through a row of floating wheels 71. Then the upper clamping mechanism 9 clamps the poking needle 6, the effective length (the total length of the upper clamping mechanism 9 and the poking needle 6 minus the overlapping part of the upper clamping mechanism and the poking needle) is matched with the concave-convex condition of the earth surface, and the lower clamping mechanism 8 is loosened; the pressing plate 51 moves downwards to press the upper end of the upper clamping mechanism 9, so that each poking needle 6 pokes to the field to be sowed; the seeds in the poking needle grooves 61 are poked to the surface. The pressing plate 51 is lifted, and any mechanism for lifting the pressing plate 51 can be adopted in the prior art, the reset spring 11 drives the upper clamping mechanism 9 to reset, the reset upper clamping mechanism 9 is positioned on the same horizontal plane, and the upper clamping mechanism 9 is loosened to prepare for next sowing.
Since the distance of the lower ends of the stabs 6 from the ground surface directly below has been changed with the contact of the floating wheel 71 with the ground surface every time the stabs 6 move downward, the distances of the lower ends of all the stabs 6 from the ground surface directly below are almost uniform, so that the stab depths of all the stabs 6 can be ensured to be uniform, and since the pitch between the stabs 6 is constant, the pitch of the stabs 6 can also be kept uniform.
The poking needle grooves 61 are connected with the seed channels 31, the specifications of the poking needle grooves 61 and the seeds to be sown are equivalent to those of the seeds to be sown, the seeds can move in a single row direction in the seed channels 31, only one seed can be conveyed in each poking needle groove 61, each poking needle 6 can be ensured to be sown with only one seed at a time, and the precision of sowing is ensured.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (8)
1. The utility model provides a precision positioning seeding equipment which characterized in that: the device comprises a frame (1), a bottom plate (2), a seed box (3), a pressing mechanism (4), a poking needle amplitude changing mechanism (5) and a poking needle (6), wherein the frame (1) is provided with a guide plate (13), the guide plate (13) is connected with the poking needle amplitude changing mechanism (5), the pressing mechanism (4) is used for driving the poking needle amplitude changing mechanism (5) to move downwards along the guide plate (13), the seed box (3) is arranged below the poking needle amplitude changing mechanism (5), the seed box (3) is provided with a seed channel (31) and a seed box hole (32), the seed box hole (32) is connected with the seed channel (31), the poking needle (6) is provided with a poking needle groove (61), and the poking needle (6) is connected with the seed box hole (32);
the poking needle amplitude changing mechanism (5) comprises a floating wheel assembly, a lower clamping mechanism (8), an upper clamping mechanism (9) and a reset plate (10), the floating wheel assembly comprises a floating wheel shaft (7) and a floating wheel (71) connected to the lower end of the floating wheel shaft (7), the floating wheel shaft (7) is connected with the lower clamping mechanism (8), the clamping end of the lower clamping mechanism (8) is connected with the poking needle (6), the upper end of the poking needle (6) is connected with the upper clamping mechanism (9), the upper clamping mechanism (9) is provided with a bulge (91), and the bulge (91) is connected with the reset plate (10) through a reset spring.
2. A precision positioning seed sowing apparatus as claimed in claim 1, wherein: the pressing mechanism (4) comprises a cam (41), a middle plate (42), a motor (43) and an upright post (12), wherein the middle plate (42) is connected to the frame (1) through the upright post (12), the cam (41) and the motor (43) are both arranged on the middle plate (42), and the motor (43) drives the cam (41) to rotate through a speed change mechanism.
3. A precision positioning seed sowing apparatus as claimed in claim 2, wherein: the speed change mechanism comprises a driving gear and a driven gear which are meshed with each other, the driving gear is connected with a power output shaft of a motor (43), and the driven gear is connected with a cam (41).
4. A precision positioning seed sowing apparatus as claimed in claim 2, wherein: four upright posts (12) are arranged, and the four upright posts (12) are respectively arranged at four corners of the middle plate (42).
5. A precision positioning seed sowing device as claimed in claim 2 or 4, wherein: the upper and lower heights of the intermediate plate (42) are adjustable along the upright (12).
6. A precision positioning seed sowing apparatus as claimed in claim 1, wherein: the lower clamping mechanism (8) and the upper clamping mechanism (9) are both hydraulic clamping mechanisms.
7. A precision positioning seed sowing apparatus as claimed in claim 1, wherein: a plurality of casters are arranged below the frame (1).
8. The working method of the precision positioning seeding equipment based on the claim 1 is characterized in that: the method works according to the following steps:
s1: the lower clamping mechanism (8) is in a clamping state, the floating wheel (71) is in contact with the ground surface to be sown, the floating wheel shaft (7) moves upwards, and the poking needle (6) moves upwards through the lower clamping mechanism (8);
s2: the upper clamping mechanism (9) clamps the poking needle (6);
s3: the lower clamping mechanism (8) is loosened;
s4: the pressing plate (51) moves downwards to press the upper end of the upper clamping mechanism (9) so as to realize that each poking needle (6) pokes the field to be sowed;
s5: the pressing plate (51) is lifted, and after the upper clamping mechanism (9) is driven to reset by the reset spring (11), the upper clamping mechanism (9) is loosened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978862.XA CN109005787B (en) | 2018-08-27 | 2018-08-27 | Accurate positioning seeding equipment and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978862.XA CN109005787B (en) | 2018-08-27 | 2018-08-27 | Accurate positioning seeding equipment and working method |
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| Publication Number | Publication Date |
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| CN109005787A CN109005787A (en) | 2018-12-18 |
| CN109005787B true CN109005787B (en) | 2023-08-15 |
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| CN201810978862.XA Active CN109005787B (en) | 2018-08-27 | 2018-08-27 | Accurate positioning seeding equipment and working method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1758846A (en) * | 2003-03-06 | 2006-04-12 | 开普路工业有限公司 | Seed planting device and dibber therefor |
| AU2007240225A1 (en) * | 2006-12-11 | 2008-06-26 | Reginald Brian Yeo | Seed Distributor Flow Sensor |
| CN101785386A (en) * | 2010-01-26 | 2010-07-28 | 中国农业大学 | Adjusting device used for sowing depth automatic control system |
| CN203735045U (en) * | 2014-03-12 | 2014-07-30 | 河北省农林科学院旱作农业研究所 | High-yield and uniform wheat planter |
| CN205320529U (en) * | 2016-01-25 | 2016-06-22 | 赤峰鑫达机械制造有限责任公司 | Monomer pneumatic precision planter that floats |
| CN207167016U (en) * | 2017-08-21 | 2018-04-03 | 西南大学 | A kind of small-sized buckwheat seeder |
| CN209120627U (en) * | 2018-08-27 | 2019-07-19 | 南京农业大学 | A kind of accurate positioning implanted device |
-
2018
- 2018-08-27 CN CN201810978862.XA patent/CN109005787B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1758846A (en) * | 2003-03-06 | 2006-04-12 | 开普路工业有限公司 | Seed planting device and dibber therefor |
| AU2007240225A1 (en) * | 2006-12-11 | 2008-06-26 | Reginald Brian Yeo | Seed Distributor Flow Sensor |
| CN101785386A (en) * | 2010-01-26 | 2010-07-28 | 中国农业大学 | Adjusting device used for sowing depth automatic control system |
| CN203735045U (en) * | 2014-03-12 | 2014-07-30 | 河北省农林科学院旱作农业研究所 | High-yield and uniform wheat planter |
| CN205320529U (en) * | 2016-01-25 | 2016-06-22 | 赤峰鑫达机械制造有限责任公司 | Monomer pneumatic precision planter that floats |
| CN207167016U (en) * | 2017-08-21 | 2018-04-03 | 西南大学 | A kind of small-sized buckwheat seeder |
| CN209120627U (en) * | 2018-08-27 | 2019-07-19 | 南京农业大学 | A kind of accurate positioning implanted device |
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| CN109005787A (en) | 2018-12-18 |
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