CN108738431B - No-tillage seeder - Google Patents
No-tillage seeder Download PDFInfo
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- CN108738431B CN108738431B CN201810428988.XA CN201810428988A CN108738431B CN 108738431 B CN108738431 B CN 108738431B CN 201810428988 A CN201810428988 A CN 201810428988A CN 108738431 B CN108738431 B CN 108738431B
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- sawtooth
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- shaft
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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
Abstract
A no-tillage planter, belonging to agricultural machinery; a sawtooth type special-shaped stubble breaking assembly is assembled at a position between the rear part of the fertilization furrow opener assembly and the front part of the sowing furrow opener assembly on the frame assembly, the sawtooth type special-shaped stubble breaking assembly is formed by assembling a connecting frame, a peach-shaped cam sleeve, a driving shaft, a pressure spring, a shaft type roller, a pin shaft, a sawtooth type special-shaped stubble breaking cutter and a driving chain wheel, the cutting edge of the sawtooth type special-shaped stubble breaking cutter is formed by connecting a sliding curve and a sawtooth line, the sliding curve is an Archimedes curve, and the connecting line of sawtooth tooth tips is a Bessel curve; the machine has good stubble breaking and straw cutting effects, high quality, reliable operation, reasonable and simple structure, stable operation and small vibration.
Description
Technical Field
The invention belongs to agricultural machinery, and mainly relates to a no-tillage seeding machine.
Background
The no-tillage seeding is an agricultural technology which is advocated and continuously popularized and applied in agricultural operation in recent years, and the no-tillage seeding does not need to carry out rotary tillage, deep scarification or flat tillage on soil before seeding operation, does not damage the original seedbed soil structure, has good soil moisture preservation and heat preservation characteristics on the soil, and is particularly suitable for popularization and application in the vast northern areas with drought soil and poor soil moisture in spring in China. In order to meet the no-tillage seeding operation requirement of the agricultural technological method, no-tillage seeding machines have been developed, but due to the structural design defects of machines and tools, no breakthrough is made on the key technology aspect of stubble breaking during no-tillage seeding operation, the quality and effect of the stubble breaking operation cannot meet the no-tillage seeding operation requirement, the seeding operation quality is poor, and the large-area popularization and application of the no-tillage seeding advanced agricultural technological method are restricted and influenced.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and the technical scheme of assembling the sawtooth-type special-shaped stubble breaker assembly is adopted to achieve the purposes of ensuring and greatly improving the stubble breaking operation quality of ridges and meeting the requirements of no-tillage seeding operation.
The purpose of the invention is realized as follows: the no-tillage planter comprises a frame assembly, a fertilizing furrow opener assembly and a seeding furrow opener assembly are sequentially arranged on the lower part of the frame assembly from front to back, a sawtooth-type special-shaped stubble cutter assembly is arranged on the frame assembly and positioned between the back of the fertilizing furrow opener assembly and the front of the seeding furrow opener assembly, the sawtooth-type special-shaped stubble cutter assembly comprises a connecting frame, a peach-shaped cam sleeve, a driving shaft, a pressure spring, a shaft-type roller, a pin shaft, a sawtooth-type special-shaped stubble cutter and a driving chain wheel, the peach-shaped cam sleeve is fixedly arranged on the lower side part of the connecting frame, the driving shaft is rotatably inserted and matched on the peach-shaped cam sleeve, the pin shaft is fixedly arranged on the driving shaft along the radial direction, the pressure spring is sleeved on the pin shaft, the sawtooth-type special-shaped stubble cutter can be radially movably arranged on the pin shaft, and two end faces of the pressure spring are respectively in close contact fit with the driving, the shaft type roller is arranged on the sawtooth type special-shaped stubble breaking cutter, the shaft type roller is in close contact fit with the peach-shaped inner surface of the peach-shaped cam sleeve, the cutting edge of the sawtooth type special-shaped stubble breaking cutter is formed by connecting a sliding curve and a sawtooth line, the sliding curve is an Archimedes curve, and the connecting line of the sawtooth tooth tops is a Bezier curve; the connecting frame is fixedly connected with the frame assembly, the driving chain wheel is fixedly matched on the driving shaft, and the power transmission system of the no-tillage planter is connected with the driving chain wheel.
The saw-tooth-type special-shaped stubble breaking device assembly is used for breaking stubble and cultivating the crop roots and the straws left on the original ridges in a sawing and sliding mode, has the advantages of being good in stubble breaking and straw breaking effect, high in quality, reliable in operation, novel, reasonable and simple in structure, stable in operation and small in vibration, and provides technical support for large-area popularization and application of the no-tillage agricultural technology.
Drawings
FIG. 1 is a schematic view of the overall structure of a no-tillage planter;
FIG. 2 is a two-dimensional schematic view of a saw-tooth type special-shaped stubble cutting device assembly;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a three-dimensional schematic view of a zigzag type special-shaped stubble cutter assembly;
fig. 5 is a schematic view of a peach-shaped cam sleeve structure.
Description of part numbers in the figures:
1. the special-shaped stubble breaking machine comprises a rack assembly, 2, a fertilizing furrow opener assembly, 3, a saw-tooth special-shaped stubble breaking device assembly, 4, a sowing furrow opener assembly, 5, a connecting frame, 6, a peach-shaped cam sleeve, 7, a driving shaft, 8, a pressure spring, 9, a shaft type roller, 10, a pin shaft, 11, a saw-tooth special-shaped stubble breaking knife, 12 and a driving chain wheel.
Detailed Description
The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. A no-tillage planter comprises a frame assembly 1, a fertilizing furrow opener assembly 2 and a seeding furrow opener assembly 4 are sequentially arranged on the lower portion of the frame assembly 1 from front to back, a sawtooth-type special-shaped stubble breaker assembly 3 is arranged on the frame assembly 1 and positioned between the rear of the fertilizing furrow opener assembly 2 and the front of the seeding furrow opener assembly 4, the sawtooth-type special-shaped stubble breaker assembly 3 comprises a connecting frame 5, a peach-shaped cam sleeve 6, a driving shaft 7, a pressure spring 8, a shaft-type roller 9, a pin shaft 10, a sawtooth-type special-shaped stubble breaker 11 and a driving chain wheel 12, the peach-shaped cam sleeve 6 is fixedly arranged on the lower side portion of the connecting frame 5, the driving shaft 7 is rotatably inserted and assembled on the peach-shaped sleeve 6, the pin shaft 10 is fixedly arranged on the driving shaft 7 along the radial direction, the pressure spring 8 is sleeved and assembled on the pin shaft 10, the sawtooth-shaped special-shaped stubble breaker 11 can be radially movably arranged on the pin shaft 10, the two end surfaces of the pressure spring 8 are respectively in close contact fit with the driving shaft 7 and the sawtooth type special-shaped stubble breaking cutter 11, the shaft type roller 9 is installed on the sawtooth type special-shaped stubble breaking cutter 11, the shaft type roller 9 is in close contact fit with the peach-shaped inner surface of the peach-shaped cam sleeve 6, the cutting edge of the sawtooth type special-shaped stubble breaking cutter 11 is formed by connecting a sliding curve and a sawtooth line, the sliding curve is an Archimedes curve, and the connecting line of the sawtooth tooth tops is a Bessel curve; the connecting frame 5 is fixedly connected with the frame assembly 1, the driving chain wheel 12 is fixedly arranged on the driving shaft 7, and the power transmission system of the no-tillage planter is connected with the driving chain wheel 12.
During operation, the no-tillage planter moves forward under the traction of a power machine, the fertilizing furrower assembly 2 and the seeding furrower assembly 4 successively complete furrowing and seeding furrowing operations, meanwhile, a driving shaft 7 driven to rotate by a machine tool power transmission system drives a sawtooth-type special-shaped stubble breaking cutter 11 to rotate through a pin shaft 10, the sawtooth-type special-shaped stubble breaking cutter 11 makes reciprocating linear motion along the radial direction of the driving shaft 7 under the cooperative control of a pressure spring 8 and a peach-shaped cam sleeve 6, when the sawtooth-type special-shaped stubble breaking cutter 11 is positioned at the lower side part of the driving shaft 7, the sawtooth-type special-shaped stubble breaking cutter 11 extends downwards, sawteeth and a sliding curve of a cutting edge of the sawtooth-type special-shaped stubble breaking cutter successively complete two operations of stubble cutting, stalk breaking, sliding cutting, stalk breaking and stalk breaking, and furrowing on stubbles and straws, and the stubble breaking, stalk.
Claims (1)
1. The utility model provides a no-tillage seeder, includes frame assembly (1), installs fertilization furrow opener assembly (2) and seeding furrow opener assembly (4) in proper order after to in the past on the lower part of frame assembly (1), its characterized in that: a sawtooth-type special-shaped stubble breaking assembly (3) is arranged and installed at a position, located between the rear of the fertilizing furrow opener assembly (2) and the front of the sowing furrow opener assembly (4), on the rack assembly (1), the sawtooth-type special-shaped stubble breaking assembly (3) comprises a connecting frame (5), a peach-shaped cam sleeve (6), a driving shaft (7), a pressure spring (8), a shaft type roller (9), a pin shaft (10), a sawtooth-type special-shaped stubble breaking cutter (11) and a driving chain wheel (12), the peach-shaped cam sleeve (6) is fixedly installed on the lower side portion of the connecting frame (5), the driving shaft (7) is rotatably inserted and assembled on the peach-shaped cam sleeve (6), the pin shaft (10) is fixedly installed on the driving shaft (7) in a radial direction, the pressure spring (8) is sleeved and assembled on the pin shaft (10), the sawtooth-type special-shaped stubble breaking cutter (11) can be installed on the pin shaft (10) in a radial moving manner, and two end faces of the pressure spring (8) are respectively connected with the driving shaft (7) and ) The shaft type roller (9) is arranged on the sawtooth type special-shaped stubble breaking cutter (11), the shaft type roller (9) is in close contact fit with the peach-shaped inner surface of the peach-shaped cam sleeve (6), the cutting edge of the sawtooth type special-shaped stubble breaking cutter (11) is formed by connecting a sliding curve and a sawtooth line, the sliding curve is an Archimedes curve, and the connecting line of the sawtooth tooth tops is a Bessel curve; the connecting frame (5) is fixedly connected with the frame assembly (1), the driving chain wheel (12) is fixedly arranged on the driving shaft (7), and the power transmission system of the no-tillage planter is connected with the driving chain wheel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810428988.XA CN108738431B (en) | 2018-04-24 | 2018-04-24 | No-tillage seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810428988.XA CN108738431B (en) | 2018-04-24 | 2018-04-24 | No-tillage seeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108738431A CN108738431A (en) | 2018-11-06 |
| CN108738431B true CN108738431B (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810428988.XA Active CN108738431B (en) | 2018-04-24 | 2018-04-24 | No-tillage seeder |
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| CN (1) | CN108738431B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111066393A (en) * | 2020-01-10 | 2020-04-28 | 东北农业大学 | Antiwind disc type banding soil preparation device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572740Y (en) * | 2002-09-19 | 2003-09-17 | 黄淮 | Spiral saw tilling seeder |
| CN1255014C (en) * | 2002-12-24 | 2006-05-10 | 中国农业大学 | Line centering no-tillage sowing machine for wheat in farmland covered by corn stalk |
| CN2598315Y (en) * | 2003-02-21 | 2004-01-14 | 黑龙江省农业机械工程科学研究院 | Furrow free precise quantity sowing machine |
| CN200944739Y (en) * | 2006-09-14 | 2007-09-12 | 河南科技大学 | Air-suction type no-tillage precision seeding machine |
| CN202455758U (en) * | 2012-03-02 | 2012-10-03 | 马根众 | Broad no-tillage combined seed and fertilizer drill |
| CN105359655A (en) * | 2015-11-14 | 2016-03-02 | 钱雪萍 | Rotary blade of sowing machine |
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- 2018-04-24 CN CN201810428988.XA patent/CN108738431B/en active Active
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| Publication number | Publication date |
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| CN108738431A (en) | 2018-11-06 |
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