CN114026982B - Drought-resistant rotary dry soil covering compacting machine - Google Patents
Drought-resistant rotary dry soil covering compacting machine Download PDFInfo
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- CN114026982B CN114026982B CN202111518812.1A CN202111518812A CN114026982B CN 114026982 B CN114026982 B CN 114026982B CN 202111518812 A CN202111518812 A CN 202111518812A CN 114026982 B CN114026982 B CN 114026982B
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- soil
- belt pulley
- loosening mechanism
- drought
- spiral
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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
- A01B49/02—Combined machines with two or more soil-working tools of different kind
- A01B49/022—Combined machines with two or more soil-working tools of different kind at least one tool being actively driven
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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
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/02—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel
- A01B33/021—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel with rigid tools
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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
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/082—Transmissions; Gearings; Power distribution
-
- 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
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/087—Lifting devices; Depth regulation devices; Mountings
-
- 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
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/10—Structural or functional features of the tools ; Theoretical aspects of the cutting action
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Power Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
The invention relates to a drought-resistant rotary dry soil covering and compacting machine, which belongs to the technical field of agricultural machinery and comprises two spiral feeders which are arranged side by side, wherein the spiral feeders are fixedly connected through a connecting plate, the lower parts of the spiral feeders are connected to the tail part of an agricultural tractor through lower supporting arms, the upper parts of the spiral feeders are connected to the tail part of the agricultural tractor through control oil cylinders, the bottoms of the spiral feeders are provided with conical material guiding shovels, the upper parts of the spiral feeders are provided with inclined blanking pipes, the bottoms of the two inclined blanking pipes are respectively connected with a soil distributing box, a soil loosening mechanism is arranged on the connecting plate, two sides of the soil loosening mechanism are provided with height adjusting wheels, the rear part of the soil loosening mechanism is provided with a soil pressing roller assembly, the soil loosening mechanism is connected with a transfer case of the agricultural tractor through a transmission shaft, and the central shaft of the spiral feeders is connected with the soil loosening mechanism through a transmission mechanism.
Description
Technical Field
The invention relates to a drought-resistant rotary soil-covering and pressing machine, and belongs to the technical field of agricultural machinery.
Background
At present, drought is the most common natural disaster in China with the greatest influence on agricultural production, and the drought disaster area accounts for more than half of the total disaster area of crops. In large drought areas of China, most of the time, due to little or no rainfall at the sowing time, soil drought is caused, and crops cannot be sowed or the emergence rate is extremely low after sowing. The existing seeding mode is to mix the soil before seeding and mix the wet soil and the dry soil. However, in the process of mixing rotation, wet soil and dry soil are mixed, so that the dry soil of the soil moves downwards to the sowing depth of crops, and seed germination and emergence are affected; meanwhile, part of the soil moist soil moves upwards to the soil surface, so that the soil moisture loss is accelerated, and the survival of seeds is influenced.
Disclosure of Invention
The drought-resistant rotary dry soil covering and compacting machine is simple in structure and reasonable in design, soil moisture content can be effectively improved, and soil moisture loss is reduced.
The technical scheme includes that the drought-resistant rotary dry soil covering and pressing machine comprises screw feeders, wherein the screw feeders are arranged side by side, the screw feeders are fixedly connected through connecting plates, the lower parts of the screw feeders are connected to the tail of an agricultural tractor through lower supporting arms, the upper parts of the screw feeders are connected to the tail of the agricultural tractor through control cylinders, conical material guiding shovels are arranged at the bottoms of the screw feeders, inclined material discharging pipes are arranged at the upper parts of the screw feeders, the bottoms of the two inclined material discharging pipes are respectively connected with soil distribution boxes, soil loosening mechanisms are arranged on the connecting plates, height adjusting wheels are arranged on two sides of each soil loosening mechanism, a soil pressing roller assembly is arranged at the rear part of each soil loosening mechanism, soil falling points of each soil distribution box are located between each soil loosening mechanism and each soil pressing roller assembly, each soil loosening mechanism is connected with a transfer case of the agricultural tractor through a transmission shaft, a central shaft of each screw feeder is connected with each soil loosening mechanism through a transmission mechanism, and each soil loosening mechanism is used for loosening the soil to be covered on a surface layer of soil through the conical material guiding shovels; the soil loosening mechanism is used for scattering wet soil after the surface layer dry soil is removed; the ground pressing roller assembly is used for rolling the soil.
Preferably, the soil loosening mechanism mainly comprises a middle transfer case and fourth rotating shafts arranged on two sides of the middle transfer case, the middle transfer case is fixed on a connecting plate through a mounting plate, a plurality of soil-beating cutters are arranged on the fourth rotating shafts, arc-shaped retaining plates are further arranged above the fourth rotating shafts, the arc-shaped retaining plates are respectively fixed on two sides of the middle transfer case, and the middle transfer case is connected with a transfer case of an agricultural tractor through a transmission shaft.
Preferably, the transmission mechanism mainly comprises a first driven belt pulley, a second driving belt pulley, a first rotating shaft, a worm gear box, a third driven belt pulley and a fourth driving belt pulley, the first driven belt pulley is arranged at the central shaft input end of the spiral conveyer, the first rotating shaft is arranged on the spiral conveyer through a connecting frame, the worm gear box is arranged on the connecting plate, the bottom of the first rotating shaft is connected with a worm wheel of the worm gear box, the second driving belt pulley is arranged at the top of the first rotating shaft, the third driven belt pulley is arranged on a worm of the worm gear box, the fourth driving belt pulley is arranged on the fourth rotating shaft, and the first driven belt pulley, the second driving belt pulley, the third driven belt pulley and the fourth driving belt pulley are respectively connected through belts.
Preferably, the height adjusting wheel comprises a travelling wheel and an adjusting rod arranged on the travelling wheel, the two sides of the scarification mechanism are respectively provided with a supporting plate, the supporting plates are provided with adjusting screw holes, the adjusting rod is positioned in the adjusting screw holes, the adjusting rod is provided with a locking nut, and the top of the adjusting rod is provided with an outer hexagonal driving head.
Preferably, the ground pressing roller assembly comprises rollers and connecting plates arranged on two sides of the rollers, free ends of the connecting plates are arranged on two sides of the soil loosening mechanism, movable long holes are respectively formed in the two connecting plates, a limiting rod is arranged between the connecting plates, two ends of the limiting rod are respectively located in the movable long holes, limiting plates are arranged on the inclined blanking pipe, and the limiting rods are used for being clamped on the limiting plates when the ground pressing roller assembly is folded.
Preferably, the soil distribution box comprises a box body and a plurality of partition plates arranged in the box body, wherein the bottom of the box body is provided with an opening, and the top of the box body is used for being connected with the inclined blanking pipe.
Compared with the prior art, the invention has the following technical effects: the invention adopts the screw conveyer to scoop up the dry soil on the surface layer in the moving process, then the dry soil is conveyed to the rear part of the scarification mechanism through the screw conveyer and covered on the wet soil scattered by the scarification mechanism, and the soil compacting roller assembly is used for compacting the covered soil. By adopting the mode, the moisture of deep soil can be moved upwards, meanwhile, the dry soil of a dry soil layer is reduced to enter a wet soil layer, the moisture of the soil of the wet soil layer is improved, and the condition that the crops are sowed on the wet soil and as much moisture as possible for the crops to emerge is ensured. Compared with the mixing rotation of the dry soil layer and the wet soil layer, the dry soil layer is covered on the wet soil layer, so that the evaporation of soil moisture of the wet soil layer exposed on the ground surface during the mixing rotation of the dry soil layer and the wet soil layer can be reduced, and the soil moisture can be improved. The soil can be compacted by the compaction dry soil layer, the thickness of the dry soil layer is reduced, the evaporation of soil moisture is reduced, and the crop sowing is facilitated. The drought-resistant rotary dry soil-covered compacting machine can improve soil moisture content in extremely drought years, reduce soil moisture loss, enable drought soil to be used for crop sowing, and improve crop emergence rate.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a transmission mechanism in the present invention.
Fig. 3 is a schematic structural view of a worm gear box in the invention.
Fig. 4 is a schematic diagram of the arrangement of the screw feeder according to the present invention.
Fig. 5 is a schematic structural view of the soil distribution box in the present invention.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the drought-resistant rotary dry soil-covering compaction machine comprises a spiral conveyer 1, wherein two spiral conveyers 1 are arranged side by side, the spiral conveyers 1 are fixedly connected through a connecting plate 2, the lower parts of the spiral conveyers 1 are connected to the tail part of an agricultural tractor 4 through a lower supporting arm 3, the upper parts of the spiral conveyers 1 are connected to the tail part of the agricultural tractor 4 through a control oil cylinder 5, a conical material guiding shovel 6 is arranged at the bottom of each spiral conveyer 1, inclined blanking pipes 7 are arranged at the upper parts of the spiral conveyers 1, the bottoms of the two inclined blanking pipes 7 are respectively connected with a soil distributing box 8, a soil loosening mechanism 9 is arranged on the connecting plate 2, height regulating wheels 10 are arranged on two sides of the soil loosening mechanism 9, a soil pressing roller assembly 11 is arranged at the rear part of the soil loosening mechanism 9, the soil falling point of the soil distributing box 8 is positioned between the soil loosening mechanism 9 and the soil pressing roller assembly 11, the soil loosening mechanism 9 is connected with a transfer case of the agricultural tractor 4 through a transmission shaft 12, a central shaft of the spiral conveyer 1 is connected with the soil loosening mechanism 9 through a transmission mechanism 13, the spiral conveyer 1 is used for loosening soil to be covered on a surface layer of the soil through the inclined blanking pipes and is covered on a surface layer of the soil layer through the soil-loosening mechanism; the scarification mechanism 9 is used for scattering wet soil after the surface layer dry soil is removed; the soil compacting roller assembly 11 is used for compacting soil.
The invention adopts an agricultural tractor to drag and walk, and realizes the rotation of the spiral feeder and the soil loosening mechanism by using the power of the tractor. The spiral feeder and the soil loosening mechanism are installed together, and the soil taking and loosening operations are realized by walking of the height adjusting wheels or adjusting the height of the spiral feeder and the soil loosening mechanism. The front part of the spiral feeder is connected with the tail part of the agricultural tractor through two lower supporting arms and a control oil cylinder, the two ends of the lower supporting arms and the control oil cylinder are respectively hinged with the agricultural tractor and the spiral feeder, and the soil shoveling angle of the spiral feeder can be finely adjusted through the control oil cylinder. When the device is specifically used, the angle and the height of the spiral feeder are adjusted, so that the conical material guiding shovel can take out surface dry soil, and meanwhile, the soil loosening mechanism can stir and break up moist soil. The soil shoveling depth of the general cone-shaped material guiding shovel can be selected according to actual soil conditions, and is generally 1-8cm. When the tractor moves, the conical material guiding shovel collects dry soil into the spiral feeder, and the spiral feeder conveys the dry soil to the inclined blanking pipe. And dry soil can be stirred and scattered in the process. The inclined blanking pipe disperses soil to the rear part of the soil loosening mechanism through the soil distribution box. After the soil loosening mechanism is used for taking out soil by the conical material guiding shovel, the wet soil is stirred and scattered, and the looseness of the soil is increased. The soil distribution box then disperses and covers the soil over the wet soil. The soil is rolled by the ground roller assembly.
The soil loosening mechanism 9 mainly comprises a middle transfer case 14 and fourth rotating shafts 15 arranged on two sides of the middle transfer case, the middle transfer case 14 is fixed on the connecting plate 2 through a mounting plate, a plurality of soil-throwing cutters 16 are arranged on the fourth rotating shafts 15, arc-shaped retaining plates 17 are further arranged above the fourth rotating shafts 15, the arc-shaped retaining plates 17 are respectively fixed on two sides of the middle transfer case 14, and the middle transfer case 14 is connected with a transfer case of the agricultural tractor 4 through a transmission shaft. The soil loosening mechanism adopts a plurality of soil loosening tool bits to rotate, and the soil is scattered and stirred, so that the looseness of the soil is improved.
As shown in fig. 2, the transmission mechanism 13 mainly comprises a first driven pulley 18, a second driving pulley 19, a first rotating shaft 20, a worm gear box 21, a third driven pulley 22 and a fourth driving pulley 23, wherein the first driven pulley 18 is installed at the central shaft input end of the screw conveyor 1, the first rotating shaft 20 is installed on the screw conveyor 1 through a connecting frame 24, the worm gear box 21 is installed on the connecting plate 2, the bottom of the first rotating shaft 20 is connected with a worm wheel of the worm gear box 21, the second driving pulley 19 is installed at the top of the first rotating shaft 20, the third driven pulley 22 is installed on the worm of the worm gear box 21, the fourth driving pulley 23 is installed on the fourth rotating shaft 15, and the first driven pulley 18, the second driving pulley 19, the third driven pulley 22 and the fourth driving pulley 23 are respectively connected through belts. The transmission mechanism mainly realizes the power transmission of the soil loosening mechanism and the spiral feeder, transmits the power of the soil loosening mechanism to the spiral feeder through the worm gear box and the belt pulley, enables the spiral feeder to synchronously rotate with the soil loosening mechanism, and can adjust the rotating speed of the spiral feeder through the worm gear box, the belt pulley and the like.
As shown in fig. 1 and 2, the ground pressing roller assembly 11 includes a roller 29 and connecting plates 30 mounted on two sides of the roller, free ends of the connecting plates 30 are mounted on two sides of the scarification mechanism 9, movable long holes 31 are respectively arranged on the two connecting plates 30, a limiting rod 32 is mounted between the connecting plates 30, two ends of the limiting rod 32 are respectively positioned in the movable long holes 31, a limiting plate 33 is arranged on the inclined blanking pipe 7, and the limiting rod 32 is used for being clamped on the limiting plate 33 when the ground pressing roller assembly is folded. The ground pressing roller assembly adopts a foldable structure, when the ground pressing roller assembly is not used, the connecting plate can be lifted to the inclined blanking pipe, the limiting rod is clamped on the limiting plate, and the ground pressing roller assembly is clamped. When the rolling is needed, the limiting rod is lifted, the roller falls down, and the rolling can be performed. By adopting the structure, the floor roller assembly does not occupy space, and is folded when walking on the flat ground, so that the walking is more convenient.
As shown in fig. 1 and 5, the soil distribution box 8 comprises a box body 34 and a plurality of partition plates 35 arranged in the box body, wherein the bottom of the box body 34 is opened, and the top of the box body 34 is used for being connected with the inclined blanking pipe 7. The soil distribution box is mainly characterized in that soil falling channels are separated by a plurality of partition boards, and soil is uniformly dispersed, so that the soil can be uniformly covered on wet soil.
In addition, the height adjusting wheel 10 comprises a travelling wheel 36 and an adjusting rod 25 arranged on the travelling wheel, the two sides of the scarification mechanism 9 are respectively provided with a supporting plate 26, the supporting plates 26 are provided with adjusting screw holes, the adjusting rod 25 is positioned in the adjusting screw holes, the adjusting rod 25 is provided with a locking nut 27, and the top of the adjusting rod 25 is provided with an outer hexagonal driving head 28. The height adjusting wheel is adjusted by a screw, and the outer hexagonal driving head is rotated by a wrench, so that the adjusting rod is driven to rotate, and the height is adjusted.
The foregoing description of the preferred embodiment of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. Drought-resistant rotary dry soil covering and compacting machine comprises a spiral feeder and is characterized in that: the two spiral feeders are arranged side by side and are fixedly connected through a connecting plate, the lower parts of the spiral feeders are connected to the tail of an agricultural tractor through lower supporting arms, the upper parts of the spiral feeders are connected to the tail of the agricultural tractor through control oil cylinders, conical material guiding shovels are arranged at the bottoms of the spiral feeders, inclined blanking pipes are arranged at the upper parts of the spiral feeders, the bottoms of the two inclined blanking pipes are respectively connected with a soil distribution box, a soil loosening mechanism is arranged on the connecting plate, height adjusting wheels are arranged on two sides of the soil loosening mechanism, a soil pressing roller assembly is arranged at the rear part of the soil loosening mechanism, a soil falling point of the soil distribution box is positioned between the soil loosening mechanism and the soil pressing roller assembly, the soil loosening mechanism is connected with a transfer case of the agricultural tractor through a transmission shaft, a central shaft of the spiral feeders is connected with the soil loosening mechanism through the transmission mechanism, and the spiral feeders are used for collecting surface layer dry soil through the conical material guiding shovels and loosening the surface layer soil to the soil through the soil distribution boxes to cover the soil loosening mechanism; the soil loosening mechanism is used for scattering wet soil after the surface layer dry soil is removed; the ground pressing roller assembly is used for rolling the soil.
2. The drought-resistant spin-coated dry soil compacting machine of claim 1 wherein: the soil loosening mechanism comprises a middle transfer case and fourth rotating shafts arranged on two sides of the middle transfer case, the middle transfer case is fixed on a connecting plate through a mounting plate, a plurality of soil loosening cutters are arranged on the fourth rotating shafts, arc-shaped retaining plates are further arranged above the fourth rotating shafts, the arc-shaped retaining plates are respectively fixed on two sides of the middle transfer case, and the middle transfer case is connected with a transfer case of an agricultural tractor through a transmission shaft.
3. The drought-resistant spin-coated dry soil compacting machine of claim 2 wherein: the transmission mechanism comprises a first driven belt pulley, a second driving belt pulley, a first rotating shaft, a worm gear box, a third driven belt pulley and a fourth driving belt pulley, wherein the first driven belt pulley is arranged at the central shaft input end of the spiral feeder, the first rotating shaft is arranged on the spiral feeder through a connecting frame, the worm gear box is arranged on a connecting plate, the bottom of the first rotating shaft is connected with a worm wheel of the worm gear box, the second driving belt pulley is arranged at the top of the first rotating shaft, the third driven belt pulley is arranged on a worm of the worm gear box, the fourth driving belt pulley is arranged on the fourth rotating shaft, and the first driven belt pulley, the second driving belt pulley, the third driven belt pulley and the fourth driving belt pulley are respectively connected through belts.
4. The drought-resistant spin-coated dry soil compacting machine of claim 1 wherein: the height adjusting wheel comprises a travelling wheel and an adjusting rod arranged on the travelling wheel, two sides of the scarification mechanism are respectively provided with a supporting plate, the supporting plates are provided with adjusting screw holes, the adjusting rod is positioned in the adjusting screw holes, the adjusting rod is provided with a locking nut, and the top of the adjusting rod is provided with an outer hexagonal driving head.
5. The drought-resistant spin-coated dry soil compacting machine of claim 1 wherein: the ground pressing roller assembly comprises rollers and connecting plates arranged on two sides of the rollers, free ends of the connecting plates are arranged on two sides of the soil loosening mechanism, movable long holes are formed in the connecting plates respectively, a limiting rod is arranged between the connecting plates, two ends of the limiting rod are located in the movable long holes respectively, limiting plates are arranged on the inclined blanking pipe, and the limiting rods are used for being clamped on the limiting plates when the ground pressing roller assembly is folded.
6. The drought-resistant spin-coated dry soil compacting machine of claim 1 wherein: the soil distribution box comprises a box body and a plurality of partition plates arranged in the box body, wherein the bottom of the box body is provided with an opening, and the top of the box body is used for being connected with an inclined blanking pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111518812.1A CN114026982B (en) | 2021-12-14 | 2021-12-14 | Drought-resistant rotary dry soil covering compacting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111518812.1A CN114026982B (en) | 2021-12-14 | 2021-12-14 | Drought-resistant rotary dry soil covering compacting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114026982A CN114026982A (en) | 2022-02-11 |
| CN114026982B true CN114026982B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111518812.1A Active CN114026982B (en) | 2021-12-14 | 2021-12-14 | Drought-resistant rotary dry soil covering compacting machine |
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| CN (1) | CN114026982B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115669322B (en) * | 2022-12-30 | 2023-04-11 | 山西农业大学 | Grooving and seeding device based on straw pressing die covering |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3128709A1 (en) * | 1981-07-21 | 1983-02-10 | Ernst 7326 Heiningen Weichel | LAYER CULTIVATOR WITH WORK TOOLS ASSOCIATED PRESS ROLLER |
| CN2263433Y (en) * | 1996-08-29 | 1997-10-01 | 山东省武城县物资配套供应公司 | Small tractor with soil preparation device |
| CN103416119B (en) * | 2012-05-16 | 2015-09-23 | 牛连壁 | Portable land roller for farmland |
| CN205755342U (en) * | 2016-06-14 | 2016-12-07 | 东北农业大学 | Combined soil preparing machine |
| CN106879350A (en) * | 2017-03-27 | 2017-06-23 | 中国农业大学 | Implantation methods are sowed in a kind of underground drip irrigation scraping |
| CN208708086U (en) * | 2018-08-15 | 2019-04-09 | 张鑫 | Crop seeding loosening device |
| CN211671220U (en) * | 2020-01-20 | 2020-10-16 | 任丘市超鹰农机有限公司 | Deep ploughing and leveling integrated machine |
| CN213044099U (en) * | 2020-08-03 | 2021-04-27 | 长春中大拖拉机制造有限公司 | Strip cultivator |
| CN112470584A (en) * | 2020-12-09 | 2021-03-12 | 中国科学院东北地理与农业生态研究所 | Straw covering and returning strip tillage machine |
| RU2753663C1 (en) * | 2020-12-22 | 2021-08-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Воронежский государственный лесотехнический университет имени Г.Ф. Морозова" | Method and device for sowing seeds |
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2021
- 2021-12-14 CN CN202111518812.1A patent/CN114026982B/en active Active
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| CN114026982A (en) | 2022-02-11 |
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