CN110036728A - Crop hole sowing universal seeding apparatus - Google Patents
Crop hole sowing universal seeding apparatus Download PDFInfo
- Publication number
- CN110036728A CN110036728A CN201910466183.9A CN201910466183A CN110036728A CN 110036728 A CN110036728 A CN 110036728A CN 201910466183 A CN201910466183 A CN 201910466183A CN 110036728 A CN110036728 A CN 110036728A
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- China
- Prior art keywords
- cylinder
- sowing
- duckbilled
- connecting rod
- pipe support
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- A01C7/20—Parts of seeders for conducting and depositing seed
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
Crop hole sowing universal seeding apparatus belongs to agricultural machinery；This device includes by stepper motor, active eccentric wheel, outer pipe support, interior pipe support, nebenkern, defeated kind of cylinder, fixes sleeve, return compression spring, sliding block, duckbilled opens block, connecting rod, wing plate, what duckbilled was constituted opens cave sowing mechanism and by land wheel, land axle, drive bevel gear, driven wheel of differential, power input shaft, active driver plate assembly, finger, seed adjustment drive shaft, sheave, bottom plate, fill kind of a cylinder limit plate, sliding pin, adjust disk, locking nut, adjust compression spring, seat board, fill kind of a cylinder, the sowing of connecting rod composition is pushed and pulled for kind of a regulating mechanism, seed spout is by two mechanism connections；This device is used suitable for various different crops bunch plantings, and can be regulated and controled to same kind crop hole sowing amount, have the characteristics that structure novel, uniqueness, rationally, adjusting simple and convenient, bunch planting precision be high, applied widely, multi-use.
Description
Technical field
The invention belongs to agricultural machinery, relates generally to a kind of seeding that can be used for various crop hole sowing operations and use
Device.
Background technique
Bunch planting is a kind of seeding method of agricultural crops precision drilling.Traditional corn bunch planting precision drilling is at one
It is broadcast in the hole of cave and applies a maize seed grain.Have research and development to meet the hill-drop feed run of the agronomic technique requirement.Such feed mechanism for seed is only
It is able to satisfy a kind of one amount of applying operation use of crop varieties, other crop bunch plantings use can neither be used for, can not be broadcast
The different adjusting of kind grain number.In recent years, with the change of agronomic technique, there is two, even three, one cave of corn in some areas
Sowing agriculture requirement, traditional and used seed-sowing device has been unable to meet and adapts to the technical requirements, therefore, researches and develops new construction
Crop hole sowing universal seeding apparatus, it is necessary to meet agronomic technique requirement.
Summary of the invention
The purpose of the invention is aiming at the above-mentioned problems of the prior art, in conjunction with the reality of agricultural production operation
Demand, a kind of crop hole sowing universal seeding apparatus of new construction of researching and designing, various crop bunch planting can be met and adapt to by, which reaching, makes
With controllable, versatile, the applied widely purpose of the, amount of broadcasting.
The purpose of the invention, which is achieved in that, is fixedly mounted with drive bevel gear on the land axle for being fixedly mounted with two land wheels,
It is fixedly mounted with active driver plate assembly and driven wheel of differential, the driven wheel of differential and master respectively on the upper and lower end of power transmission shaft
Dynamic bevel gear engagement, finger is packed on active driver plate assembly, be successively equipped with from top to bottom in sowing drive shaft locking nut,
Disk, seat board, bottom plate and sheave are adjusted, the locking nut, adjusting disk, seat board and sheave are packed in sowing drive shaft,
It sows drive shaft and fixed bottom plate and stirs cooperation in interval insertion in rotatably cooperation, finger and sheave, in the tune
Arcuate socket is radially opened up on pitch circle disk, sliding pin is movably inserted into arcuate socket, the radial groove on the seat board
It is inside equipped with respectively and adjusts compression spring and push-and-pull connecting rod, the inner end of the push-and-pull connecting rod is connect with sliding pin, in the push-and-pull connecting rod
It is fixedly mounted on outer end and fills kind of a cylinder limit plate, pacified filling on the inside of kind of cylinder limit plate and adjusting to be inserted at position between compression spring outer end
Dress fills kind of a cylinder, and the inner end for adjusting compression spring, in being engaged, opens up leakage kind through-hole with seat board on the bottom plate,
It is described to fill kind of cylinder and leakage kind of through-hole connection is opened or dislocation connection or dislocation are closed and cooperated in being all overlapped；In fixed configurations
On outer pipe support following side can pipe support in mobile equipped of pull up and down, the rotatable peace respectively on the outer pipe support and interior pipe support
Dress active eccentric wheel and nebenkern, the active eccentric wheel are engaged with nebenkern, and stepper motor driving is actively eccentric to be rotated
It is dynamic, defeated kind of cylinder is fixedly mounted on interior pipe support lower part, the defeated kind of cylinder can be mounted in fixes sleeve up and down, return in the mobile insertion of pull
Position compression spring is fitted in defeated kind between cylinder and fixes sleeve at position, on defeated kind of cylinder bottom end, is located on the downside of fixes sleeve
Be hinged installation duckbilled on outside, and wing plate is packed on duckbilled outer surface, is arranged on the following side of the fixes sleeve outer surface vertical
To sliding slot, moving up and down be fitted in of sliding block is stood into sliding slot, and the upper and lower end of connecting rod is hinged with sliding block and wing plate respectively,
Be fixedly mounted with duckbilled on the fixes sleeve outer surface, at sliding block lower portion and open block, the duckbilled open block with
Sliding block is in be engaged or disengage cooperation；Leakage kind through-hole on bottom plate is connected to by seed spout with defeated kind of cylinder, so far constitutes agriculture
Crop bunch planting universal seeding apparatus.
This device is not only suitable for various different crops bunch planting operations and uses, but can bunch planting amount to same kind crops into
Row adjusts control, have structure novel, uniqueness, rationally, adjust simple and convenient, bunch planting precision are high, applicable variety is more, range is wide,
The characteristics of adaptable, multi-use.
Detailed description of the invention
Fig. 1 is crop hole sowing universal seeding apparatus general structure schematic diagram；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is A-A in Fig. 1 to cross-sectional view；
Fig. 4 is the portion the B enlarged drawing in Fig. 1；
Fig. 5 is M in Fig. 1 to partial view；
Fig. 6 is D-D in Fig. 5 to cross-sectional view；
Fig. 7 is C-C in Fig. 1 to partial view.
Piece number illustrates in figure:
1, active eccentric wheel, 2, outer pipe support, 3, interior pipe support, 4, nebenkern, 5, defeated kind of cylinder, 6, seed spout, 7, fixes sleeve,
8, sliding block, 9, stand to sliding slot, 10, duckbilled open block, 11, connecting rod, 12, wing plate, 13, duckbilled, 14, sheave, 15, land wheel, 16,
Power transmission shaft, 17, active driver plate assembly, 18, finger, 19, sowing drive shaft, 20, bottom plate, 21, fill kind of a cylinder limit plate, 22,
Sliding pin, 23, adjusting disk, 24, land axle, 25, drive bevel gear, 26, driven wheel of differential, 27, stepper motor, 28, return pressure
Power spring, 29, locking nut, 30, arcuate socket, 31, adjust compression spring, 32, seat board, 33, fill kind of a cylinder, 34, push-and-pull connecting rod,
35, leakage kind through-hole.
Specific embodiment
The invention embodiment is described in detail with reference to the accompanying drawing.A kind of general seeding of crop hole sowing
Device is fixedly mounted with drive bevel gear 25 on the land axle 24 for being fixedly mounted with two land wheels 15, divides on the upper and lower end of power transmission shaft 16
It is not fixedly mounted with active driver plate assembly 17 and driven wheel of differential 26, the driven wheel of differential 26 is engaged with drive bevel gear 25, finger 18
Be packed on active driver plate assembly 17, sowing drive shaft 19 on from top to bottom successively be equipped with locking nut 29, adjust disk 23,
Seat board 32, bottom plate 20 and sheave 14, the locking nut 29, adjusting disk 23, seat board 32 and sheave 14 are packed in sowing driving
On axis 19, sowing drive shaft 19 and fixed bottom plate 20 are dialled in rotatably cooperation, finger 18 and sheave 14 in interval insertion
Dynamic cooperation, radially opens up arcuate socket 30 on the adjusting disk 23, and sliding pin 22 is movably inserted into arcuate socket 30,
It is equipped with respectively in radial groove above the seat board 32 and adjusts compression spring 31 and push-and-pull connecting rod 34, the push-and-pull connecting rod 34
Inner end is connect with sliding pin 22, is fixedly mounted on 34 outer end of push-and-pull connecting rod and is filled kind of a cylinder limit plate 21, is filling kind of a cylinder limit plate 21
Inside and adjust between 31 outer end of compression spring insertion installation at position and fill kind of cylinder 33, the inner end for adjusting compression spring 31 with
Seat board 32 opens up leakage kind through-hole 35 in being engaged on the bottom plate 20, described to fill kind of cylinder 33 and plant a through-hole 35 and be in leaking
It is all overlapped connection opening or dislocation connection or dislocation is closed and cooperated；It can be upper and lower on 2 following side of outer pipe support of fixed configurations
Pipe support 3 in mobile equipped of pull, the rotatable installation active eccentric wheel 1 and same respectively on the outer pipe support 2 and interior pipe support 3
Heart wheel 4, the active eccentric wheel 1 are engaged with nebenkern 4, and stepper motor 27 drives active eccentric wheel 1 to rotate, in interior pipe support
Defeated kind of cylinder 5 is fixedly mounted on 3 lower parts, the defeated kind of cylinder 5 can be mounted in fixes sleeve 7 in the mobile insertion of pull up and down, return pressure
Spring 28 is fitted between defeated kind of cylinder 5 and fixes sleeve 7 at position, on defeated kind of 5 bottom end of cylinder, is located at 7 downside of fixes sleeve
Be hinged installation duckbilled 13 on outside, and wing plate 12 is packed on 13 outer surface of duckbilled, on the 7 outer surface following side of fixes sleeve
Setting stand to sliding slot 9, moving up and down be fitted in of sliding block 8 is stood into sliding slot 9, the upper and lower end of connecting rod 11 respectively with sliding block 8 and
Wing plate 12 is hinged, and duckbilled is fixedly mounted on 7 outer surface of fixes sleeve, at 8 lower portion of sliding block and opens block 10, institute
Stating duckbilled and opening block 10 with sliding block 8 is in be engaged or disengage cooperation；Seed spout 6 is by the leakage kind through-hole 35 on bottom plate 20
It is connected to defeated kind of cylinder 5.
Operation is in use, the rotary power of land wheel 15 passes sequentially through land axle 24, drive bevel gear 25, driven wheel of differential
26, power transmission shaft 16 drives active driver plate assembly 17 to rotate, and finger 18 stirs sheave 14 and drives sowing drive shaft 19 and adjust
Pitch circle disk 23, fills kind of a cylinder limit plate 21, fills kind of cylinder 33 and rotate together push-and-pull connecting rod 34, seat board 32, is filled into kind of a cylinder by plants case
Kind grain in 33 is rotated by 20 support of bottom plate with kind of cylinder 33 is filled, when filling at the leakage kind through-hole 35 that kind of cylinder 33 turns on bottom plate 20
When, seed drops into the duckbilled 13 of closure through leakage kind through-hole 35, seed spout 6 and defeated kind of cylinder 5, stepper motor 27 synchronous with this
It drives active eccentric wheel 1 to rotate, under the driving of active eccentric wheel 1, transports interior pipe support 3 downwards on outer pipe support 2 through nebenkern 4
It is dynamic, push defeated kind of cylinder 5 and duckbilled 13 to move down, duckbilled 13 is inserted into soil layer, and in the case where wing plate 12, connecting rod 11 pull, sliding block 8 exists
The synchronous slide downward into sliding slot 9 is found, after sliding block 8 and the duckbilled unlatching contact of block 10, when defeated kind of cylinder 5 continues to move down, even
Under the upward pulling force of bar 11, duckbilled 13 is rotated around at the hinge point on defeated kind of cylinder 5, and duckbilled 13 is opened in soil layer, under seed
It falls in the hole of cave, completes bunch planting kind.When active eccentric wheel 1 to nebenkern 4 without down thrust when, return compression spring 28 act on
Under, defeated kind of cylinder 5 drives duckbilled 13 to move up, and returns initial position, duckbilled 13 is extracted out of soil layer, and is closed.
When the adjusting amount of broadcasting or adaptation Different Crop seed, locking nut 29 is unscrewed in sowing drive shaft 19, rotation is adjusted
Disk 23 fills kind of a diameter for cylinder limit plate 21 by the push-and-pull drive of connecting rod 34 using the moving radially in arcuate socket 30 of sliding pin 22
To adjusting, under the cooperation for adjusting compression spring 31, the change for filling 33 radial position of kind of cylinder is completed, makes to fill kind of cylinder 33 and bottom plate 20
On the overlapping area of leakage kind of through-hole 35 increase or reduce, complete the tune to different size seeds or the same kind difference amount of broadcasting
Section.
Claims (1)
1. a kind of crop hole sowing universal seeding apparatus, it is characterised in that: solid on the land axle (24) for being fixedly mounted with two land wheels (15)
It fills drive bevel gear (25), is fixedly mounted with active driver plate assembly (17) and driven respectively on the upper and lower end of power transmission shaft (16)
Bevel gear (26), the driven wheel of differential (26) are engaged with drive bevel gear (25), and finger (18) is packed in active driver plate assembly
(17) on, sowing drive shaft (19) on from top to bottom successively be equipped with locking nut (29), adjust disk (23), seat board (32),
Bottom plate (20) and sheave (14), the locking nut (29), adjusting disk (23), seat board (32) and sheave (14) are packed in sowing
In drive shaft (19), sowing drive shaft (19) and fixed bottom plate (20) are in rotatably cooperation, finger (18) and sheave
(14) cooperation is stirred in interval insertion, is radially opened up arcuate socket (30) on the adjusting disk (23), sliding pin (22) is removable
Dynamic is inserted into arcuate socket (30), is equipped with respectively in the radial groove of the seat board (32) above and adjusts compression spring (31)
It is connect with the inner end of push-and-pull connecting rod (34), push-and-pull connecting rod (34) with sliding pin (22), in push-and-pull connecting rod (34) outer end
On be fixedly mounted with and fill kind of a cylinder limit plate (21), filling on the inside of kind of cylinder limit plate (21) between adjusting compression spring (31) outer end at position
Insertion installation is filled kind of a cylinder (33), and the inner end for adjusting compression spring (31) is in be engaged with seat board (32), in the bottom plate
(20) open up leakage kind through-hole (35) on, it is described fill kind of a cylinder (33) and leakage kind through-hole (35) in is all overlapped be connected to opening or
Cooperation is closed in dislocation connection or dislocation；It can the mobile equipped inner tube of upper and lower pull on outer pipe support (2) following side of fixed configurations
Frame (3), it is rotatable respectively on the outer pipe support (2) and interior pipe support (3) that active eccentric wheel (1) and nebenkern (4), institute are installed
It states active eccentric wheel (1) to be engaged with nebenkern (4), stepper motor (27) drives active eccentric wheel (1) rotation, in interior pipe support
(3) defeated kind of cylinder (5) is fixedly mounted on lower part, the defeated kind of cylinder (5) can be mounted in fixes sleeve (7) in the mobile insertion of pull up and down,
Return compression spring (28) is fitted between defeated kind of cylinder (5) and fixes sleeve (7) at position, on defeated kind of cylinder (5) bottom end, position
In installation duckbilled (13) that is hinged on the outside of fixes sleeve (7) downside, wing plate (12) is packed on duckbilled (13) outer surface, described
Setting is stood to sliding slot (9) on fixes sleeve (7) outer surface following side, and moving up and down be fitted in of sliding block (8) is stood to sliding slot (9)
Interior, the upper and lower end of connecting rod (11) is hinged with sliding block (8) and wing plate (12) respectively, on the fixes sleeve (7) outer surface,
It is fixedly mounted with duckbilled at sliding block (8) lower portion and opens block (10), it is in contact that the duckbilled, which opens block (10) with sliding block (8),
Cooperate or disengage cooperation；Leakage kind through-hole (35) on bottom plate (20) is connected to by seed spout (6) with defeated kind of cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466183.9A CN110036728B (en) | 2019-05-31 | 2019-05-31 | Universal seeding apparatus for crop bunch planting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466183.9A CN110036728B (en) | 2019-05-31 | 2019-05-31 | Universal seeding apparatus for crop bunch planting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110036728A true CN110036728A (en) | 2019-07-23 |
| CN110036728B CN110036728B (en) | 2021-10-08 |
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ID=67284242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910466183.9A Active CN110036728B (en) | 2019-05-31 | 2019-05-31 | Universal seeding apparatus for crop bunch planting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110036728B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301190A (en) * | 2019-08-05 | 2019-10-08 | 东北农业大学 | Auger cellular type is no-tillage precise hole sowing seeding apparatus |
| CN111183769A (en) * | 2019-12-25 | 2020-05-22 | 哈尔滨市农业科学院 | Zero-speed hole sowing wheel type dry direct sowing mechanism for paddy rice |
| CN113179725A (en) * | 2020-12-18 | 2021-07-30 | 东北农业大学 | Electric drill disk fertilizer distributor |
| CN113519221A (en) * | 2021-08-10 | 2021-10-22 | 安徽公牛农业发展有限公司 | Paddy-upland dual-purpose direct sowing machine for rice and wheat planting and planting method thereof |
| CN114830879A (en) * | 2022-05-26 | 2022-08-02 | 西安交通大学 | Multifunctional mountain sowing vehicle and method |
| CN117099537A (en) * | 2023-10-24 | 2023-11-24 | 云南省农业科学院国际农业研究所 | Agricultural equipment seeder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB652797A (en) * | 1949-05-04 | 1951-05-02 | Hubert Henry Stoodley | Improvements in seed sowing devices |
| CN1063010A (en) * | 1991-01-07 | 1992-07-29 | 葛桂萍 | Multifunctional precision dibbler |
| JPH08154427A (en) * | 1994-12-01 | 1996-06-18 | Topy Ind Ltd | Seeding device |
| RU2220527C2 (en) * | 2002-03-21 | 2004-01-10 | Открытое акционерное общество "Тверьсельмаш" | Seeding unit |
| CN203435341U (en) * | 2013-09-17 | 2014-02-19 | 黄厚本 | Seed metering device of seed sowing machine |
| CN107318310A (en) * | 2017-06-28 | 2017-11-07 | 昆明理工大学 | A kind of machine for seeder broadcasting device |
| CN109463054A (en) * | 2018-11-14 | 2019-03-15 | 江城 | A kind of automatic sowing device and its working method |
-
2019
- 2019-05-31 CN CN201910466183.9A patent/CN110036728B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB652797A (en) * | 1949-05-04 | 1951-05-02 | Hubert Henry Stoodley | Improvements in seed sowing devices |
| CN1063010A (en) * | 1991-01-07 | 1992-07-29 | 葛桂萍 | Multifunctional precision dibbler |
| JPH08154427A (en) * | 1994-12-01 | 1996-06-18 | Topy Ind Ltd | Seeding device |
| RU2220527C2 (en) * | 2002-03-21 | 2004-01-10 | Открытое акционерное общество "Тверьсельмаш" | Seeding unit |
| CN203435341U (en) * | 2013-09-17 | 2014-02-19 | 黄厚本 | Seed metering device of seed sowing machine |
| CN107318310A (en) * | 2017-06-28 | 2017-11-07 | 昆明理工大学 | A kind of machine for seeder broadcasting device |
| CN109463054A (en) * | 2018-11-14 | 2019-03-15 | 江城 | A kind of automatic sowing device and its working method |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301190A (en) * | 2019-08-05 | 2019-10-08 | 东北农业大学 | Auger cellular type is no-tillage precise hole sowing seeding apparatus |
| CN110301190B (en) * | 2019-08-05 | 2022-01-21 | 东北农业大学 | Screw drilling type no-tillage precision hill-drop seeding device |
| CN111183769A (en) * | 2019-12-25 | 2020-05-22 | 哈尔滨市农业科学院 | Zero-speed hole sowing wheel type dry direct sowing mechanism for paddy rice |
| CN111183769B (en) * | 2019-12-25 | 2024-05-28 | 哈尔滨市农业科学院 | Zero-speed hole sowing wheel type rice dry direct sowing mechanism |
| CN113179725A (en) * | 2020-12-18 | 2021-07-30 | 东北农业大学 | Electric drill disk fertilizer distributor |
| CN113519221A (en) * | 2021-08-10 | 2021-10-22 | 安徽公牛农业发展有限公司 | Paddy-upland dual-purpose direct sowing machine for rice and wheat planting and planting method thereof |
| CN113519221B (en) * | 2021-08-10 | 2022-11-11 | 安徽公牛农业发展有限公司 | Paddy-upland dual-purpose direct sowing machine for rice and wheat planting and planting method thereof |
| CN114830879A (en) * | 2022-05-26 | 2022-08-02 | 西安交通大学 | Multifunctional mountain sowing vehicle and method |
| CN117099537A (en) * | 2023-10-24 | 2023-11-24 | 云南省农业科学院国际农业研究所 | Agricultural equipment seeder |
| CN117099537B (en) * | 2023-10-24 | 2023-12-26 | 云南省农业科学院国际农业研究所 | Agricultural equipment seeder |
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| CN110036728B (en) | 2021-10-08 |
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Effective date of registration: 20220415 Address after: 150001 No. 946, Hexi street, Harbin, Heilongjiang Patentee after: HEILONGJIANG DEWO TECHNOLOGY Co.,Ltd. Address before: No.600 Changjiang Road, Xiangfang District, Harbin, Heilongjiang Province Patentee before: Northeast Agricultural University |