CN114208416A - Micro-soil-preparation drought-resisting operation device combined with no-tillage corn seeder and application method - Google Patents

Abstract

The invention relates to the technical field of agricultural machinery, and discloses a micro-soil preparation drought-resisting operation device combined with a corn no-tillage planter, which solves the problems that the distance between two furrow openers is inconvenient to adjust, the heights of the furrow openers are inconvenient to adjust, the actual operation is inconvenient, and the working efficiency is influenced; the distance between the two furrow openers can be conveniently adjusted, and the height of the furrow openers can be conveniently adjusted.

Description

Micro-soil-preparation drought-resisting operation device combined with no-tillage corn seeder and application method

Technical Field

The invention belongs to the technical field of agricultural machinery, and particularly relates to a micro-soil preparation drought-resisting operation device combined with a corn no-tillage seeder and an application method.

Background

Corn is used as an important grain crop and is one of indispensable raw material crops in food, medical health, light industry and chemical industry. Therefore, the corn yield guarantee has great significance for guaranteeing national food safety and social stability and harmony.

Jilin province is the main producing area of spring corn in China, and plays a significant role in the aspects of per unit yield level, commercialization rate and the like. However, for different ecological areas of Jilin province, the yield per unit level is obviously different, especially for wide western arid areas and semi-arid areas, the method is limited by rainfall and the like, drought and rain in the sowing period are main reasons for restricting the sowing quality, seedling shortage and ridge breaking phenomena with different degrees can be caused in general years, the yield loss is over 10 percent, and the yield loss can reach 30 percent in particularly arid years. For example, severe spring drought in 2018 causes that the sowing is delayed for 2-3 weeks than before, and serious influence is brought to the unit yield of regional corns. Therefore, improving the drought-resistant sowing quality of the corn is a main subject for the production of the corn and other crops in the area.

With the improvement of science and technology, the improvement of regional agricultural production level and the application of some major agricultural technologies obviously improve the drought-resistant sowing capacity of the corns. For example, by means of breeding, some varieties with strong drought resistance are bred, and the application of some protective farming measures such as mulching film mulching and water and fertilizer integration technology, no-tillage seeding and soil movement reduction plays some positive roles in improving the drought resistance of regional crop production. However, for the production of crops with large area, the traditional breeding period is long, and various limitations in the aspects of disease resistance, insect resistance, even ecological adaptability and the like need to be considered, so that the application of the technology is limited; the plastic film mulching and water-fertilizer integration technology is difficult to popularize and apply in a large area due to the limitation of agricultural infrastructure construction and capital investment, agricultural production comparative benefits, farmer cognition, behavior selection and the like, and the plastic film mulching and drip irrigation pipe has certain environmental pollution risk after being used for a long time. Therefore, the development of a complete machine tool of the corn no-tillage planter, which is simple in operation, strong in practicability, green, environment-friendly and obvious in effect, has important significance for realizing drought-resistant cultivation of regional large-area agricultural production.

Through the use of ploughing seeder antithetical couplet and slightly preparing drought resisting operation device, its apparent soil that lets the earth's surface push away disperses outside the seedling area, guarantee to sow earth's surface soil humidity after the plastic a little promptly, simultaneously with the formation bellied soil structure outside the seedling area, be favorable to growing period seedling area collection rain, thereby the utilization efficiency to the rainfall nature has been improved, but when the in-service use, the distance between two furrow openers is not convenient for adjust, and the height of furrow opener is also not convenient for adjust, be not convenient for actual operation, influence work efficiency.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the micro-soil preparation drought-resistant operation device combined with the no-tillage corn seeder and the application method thereof, which effectively solve the problems that the distance between two furrow openers is inconvenient to adjust, the heights of the furrow openers are inconvenient to adjust, the actual operation is inconvenient, and the working efficiency is influenced in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a micro-soil preparation drought-resistant operation device combined with a corn no-tillage planter comprises a rectangular pipe, wherein two first fixing sleeves are sleeved outside the rectangular pipe, one side of each first fixing sleeve is provided with a furrow opener, a second fixing sleeve is sleeved outside the furrow opener, one side of each second fixing sleeve is fixedly connected with one side of each first fixing sleeve, a bulldozing baffle is arranged on each furrow opener, and a synchronous fixing assembly is arranged on each first fixing sleeve and each second fixing sleeve;

the synchronous fixing component comprises a first threaded rod and a first movable plate which are arranged above a first fixing sleeve, the first threaded rod penetrates through the first movable plate, the first threaded rod and the first movable plate are in threaded connection, two first gears are arranged above the first fixing sleeve, two first threaded columns are arranged in the first fixing sleeve, the top ends of the first threaded columns penetrate through the inner wall of the top of the first fixing sleeve, the first threaded columns and the first fixing sleeve are in threaded connection, the top of the first threaded columns is fixedly connected with the bottom of the first gears, one end of each first threaded rod is connected with the first fixing sleeve through a rotary positioning component, two second gears are arranged on one side of each second fixing sleeve, two second threaded columns are arranged in the second fixing sleeve, one end of each second threaded column penetrates through the inner wall of one side of the second fixing sleeve, and the second threaded columns are in threaded connection with the second fixing sleeve, and one end of the second threaded column is fixedly connected with one side of the second gear, one side of the second fixed sleeve is provided with a second threaded rod and a second movable plate, the second threaded rod penetrates through the second movable plate, the connection mode of the second threaded rod and the second movable plate is threaded connection, one end of the second threaded rod is connected with one side of the first fixed sleeve through a first bearing, two toothed plates are fixedly connected to the first movable plate and the second movable plate, the plurality of toothed plates are respectively connected with the first fixed sleeve and the second fixed sleeve through sliding units, and the second threaded rod is connected with the first threaded rod through a transmission assembly.

Preferably, the transmission assembly comprises a first bevel gear arranged at one end of the first threaded rod, the first bevel gear is fixedly connected with the first threaded rod, a worm is arranged on one side of the second threaded rod, a second bevel gear is fixedly connected to the top end of the worm, a worm wheel is sleeved outside the second threaded rod, the worm wheel is fixedly connected with the second threaded rod, the worm wheel is meshed with the worm, and the bottom end of the worm is connected with the second fixing sleeve through a rotating unit.

Preferably, the rotating unit comprises a first fixing plate arranged below the worm, one side of the first fixing plate is fixedly connected with one side of the second fixing sleeve, and the worm is connected with the first fixing plate through a second bearing.

Preferably, the rotational positioning component comprises a second fixed plate arranged at one end of the first threaded rod, the bottom of the second fixed plate is fixedly connected with the top of the first fixed sleeve, one end of the first threaded rod is connected with the second fixed plate through a third bearing, a fixing ring is sleeved outside the first threaded rod, the fixing ring is fixedly connected with the first threaded rod, a plurality of through holes are formed in one side of the fixing ring, a third movable plate is arranged on one side of the fixing ring, a limiting column is fixedly connected to one side of the third movable plate, and the third movable plate is connected with the second fixed plate through an elastic unit.

Preferably, the elastic unit comprises a side plate arranged on one side of the second fixed plate, the top of the third movable plate and the top of the side plate are connected through a penetrating plate, the penetrating plate penetrates through the second fixed plate, and one side of the side plate is connected with one side of the second fixed plate through a compression spring.

Preferably, the limiting column is located in one corresponding through hole, and the first threaded rod is provided with two handles.

Preferably, the sliding unit comprises a limiting plate arranged on one side of the toothed plate, the limiting plate is fixedly connected with the toothed plate, the first fixing sleeve and the second fixing sleeve are respectively provided with two sliding grooves, and one end of the limiting plate is located in the sliding grooves.

Preferably, one end of the first threaded column is in contact with the rectangular pipe, one end of the second threaded column is in contact with the furrow opener, and the first gear and the second gear are both provided with inner hexagonal grooves.

Preferably, one side of the second threaded rod is provided with a third fixing plate, one side of the third fixing plate is fixedly connected with one side of the second fixing sleeve, one end of the second threaded rod is connected with one side of the third fixing plate through a fourth bearing, the top of the rectangular tube is fixedly connected with a mounting plate, and a plurality of mounting holes are formed in the mounting plate.

The invention also provides application of the micro-soil preparation drought-resistant operation device combined with the no-tillage planter for the corn, the drought-resistant operation device is matched with the no-tillage planter for combined operation, and is used for cleaning dry soil or straws on the surface layer of a farmland, forming raised soil platforms between rows, forming a micro rain collecting area on a seedling belt, obviously improving the seed emergence rate and the emergence quality under the drought condition, and improving the utilization rate of natural rainfall and the corn yield

Compared with the prior art, the invention has the beneficial effects that:

(1) the device can be used with a no-tillage seeder, and can clean up straw in a seeding belt or dry soil on the ground surface while performing no-tillage seeding on corn, so that the soil humidity of the seed-embedded position can be improved, the resistance to low temperature and drought stress in the seedling stage can be improved, and particularly for the regions which are easy to be arid and semi-arid in the seeding stage, the effective soil moisture of the seed-embedded position can be obviously improved, a reasonable seedbed structure is created, and the normal emergence of the soil under the arid condition is ensured;

the device can obviously shorten the time of seedling emergence of the field corn, improve the rate of seedling emergence and the uniformity of seedling emergence, thereby effectively improving the yield of the corn, and field experiments prove that under the condition of particularly severe spring drought, the moisture content of the soil with the sowing period of 0-10cm of the corn sowed by the device is averagely improved by 3.86 percent compared with a control, the moisture content of the soil with the jointing period is improved by 1.71 percent, the seedling emergence time is shortened by 3d, and the average is shortened by 1.71 d; after 7 survey sampling points are applied to the device, the emergence rate is averagely improved by 13.07 percent; the investigation result of the seedling stage (6 leaf-expanding stage) shows that the height of the corn plants is increased by 14.4cm averagely after the device is applied, the uniformity of the plant height is obviously improved, so that the yield is ensured to form the effective population quantity, and the final seed yield result shows that the yield is increased by 11.28% compared with the control.

(2) In work, through the design of the rectangular pipe, the first fixing sleeves, the first gear and the first threaded column, the first fixing sleeves are driven to move on the rectangular pipe according to actual requirements, the distance between the two first fixing sleeves is further adjusted, the distance between the two furrow openers is further adjusted, one end of the first threaded column is made to be attached to the top of the rectangular pipe through driving the first gear to rotate, and the first fixing sleeves are further fixed relative to the rectangular pipe;

(3) through the matching of the first fixing sleeve, the second fixing sleeve, the furrow opener, the second threaded column and the second gear, the furrow opener is driven to move up and down relative to the second fixing sleeve according to actual requirements, so that the height of the furrow opener can be adjusted, and after the adjustment is finished, the second gear is driven to rotate, so that one end of the second threaded column is tightly attached to one side of the furrow opener, the furrow opener is fixed relative to the second fixing sleeve, and the adjustment of the height of the second fixing sleeve is completed;

(4) the first threaded rod is driven to rotate, the first threaded rod and the first movable plate are matched to enable the two toothed plates to move towards the first gear, the toothed plates and the first gear are meshed, the first threaded column is prevented from rotating due to non-human factors through the matching of the toothed plates and the first gear, when the first threaded rod rotates, the worm rotates through the meshing of the first bevel gear and the second bevel gear, the second threaded rod rotates through the matching of the worm and the worm wheel, the two toothed plates move towards the second gear through the matching of the second threaded rod and the second movable plate, the second gear is further meshed with the toothed plates, the second gear and the second threaded column are prevented from rotating due to the non-human factors, the toothed plates stably move through the matching of the limiting plates and the sliding grooves, and through the matching of the fourth bearing and the third fixed plate, the second threaded rod is enabled to rotate smoothly;

(5) the utility model discloses a spacing post, including first threaded rod, first fixed ring, drive curb plate, compression spring, and then through running through board drive third fly leaf and remove, make in the one end of spacing post breaks away from the through-hole that corresponds, remove the injecing to solid fixed ring position, and then can drive first threaded rod and rotate, when need not rotate first threaded rod, loosen the curb plate, and then compression spring drive curb plate removes, make to run through board drive third fly leaf and remove, and then make in spacing post inserts the through-hole that corresponds, thereby make first threaded rod fixed, avoid first threaded rod to rotate because of non-human factor, handle through setting up, it is rotatory to be convenient for drive first threaded rod.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a portion A of FIG. 1;

fig. 3 is a schematic structural view of a first fixing sleeve of the present invention;

FIG. 4 is a schematic view of a portion of the enlarged structure at B in FIG. 3;

FIG. 5 is a schematic structural view of a sliding unit according to the present invention;

fig. 6 is a schematic structural view of a second pouch according to the present invention;

FIG. 7 is a schematic view of a second threaded rod of the present invention;

FIG. 8 is a schematic view of the structure of the elastic unit according to the present invention;

FIG. 9 is a schematic representation comparing the water content of 0-10cm soil in the corn seeding stage (a) and the jointing stage (b) using the apparatus of the present invention and a control treatment;

fig. 10 is a schematic representation of the corn emergence rate (n-7) compared to a control treatment using the apparatus of the present invention;

FIG. 11 is a schematic representation comparing the corn plant height (a) and plant height uniformity (b) using the apparatus of the present invention and a control treatment;

FIG. 12 is a schematic representation of a comparison of corn yield using the apparatus of the present invention and a control treatment;

FIG. 13 is a schematic view of the field operation effect after the device of the present invention is applied;

FIG. 14 is a cross-sectional view of the field effect of the apparatus of the present invention;

in the figure: 1. a rectangular tube; 2. a first fixing sleeve; 3. a second fixing sleeve; 4. a furrow opener; 5. a bulldozing baffle; 6. a first threaded rod; 7. a first movable plate; 8. a first gear; 9. a first threaded post; 10. a second threaded post; 11. a second gear; 12. a second threaded rod; 13. a second movable plate; 14. a toothed plate; 15. a first bearing; 16. a first bevel gear; 17. a second bevel gear; 18. a worm; 19. a worm gear; 20. a first fixing plate; 21. a second bearing; 22. a second fixing plate; 23. a third bearing; 24. a fixing ring; 25. a through hole; 26. a third movable plate; 27. a limiting column; 28. penetrating the plate; 29. a side plate; 30. a compression spring; 31. a limiting plate; 32. a chute; 33. a third fixing plate; 34. a fourth bearing; 35. an inner hexagonal groove; 36. a handle; 37. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 14, the invention includes a rectangular tube 1, two first fixing sleeves 2 are sleeved outside the rectangular tube 1, one side of each first fixing sleeve 2 is provided with a furrow opener 4, a second fixing sleeve 3 is sleeved outside the furrow opener 4, one side of the second fixing sleeve 3 is fixedly connected with one side of the first fixing sleeve 2, the furrow opener 4 is provided with a bulldozing baffle 5, and the first fixing sleeve 2 and the second fixing sleeve 3 are provided with synchronous fixing components;

the synchronous fixing component comprises a first threaded rod 6 and a first movable plate 7 which are arranged above a first fixing sleeve 2, the first threaded rod 6 penetrates through the first movable plate 7, the first threaded rod 6 is in threaded connection with the first movable plate 7, two first gears 8 are arranged above the first fixing sleeve 2, two first threaded columns 9 are arranged in the first fixing sleeve 2, the top end of each first threaded column 9 penetrates through the inner wall of the top of the first fixing sleeve 2, the first threaded columns 9 are in threaded connection with the first fixing sleeve 2, the top of each first threaded column 9 is fixedly connected with the bottom of the corresponding first gear 8, one end of each first threaded rod 6 is connected with the first fixing sleeve 2 through a rotary positioning component, two second gears 11 are arranged on one side of the second fixing sleeve 3, two second threaded columns 10 are arranged in the second fixing sleeve 3, one end of each second threaded column 10 penetrates through the inner wall of one side of the second fixing sleeve 3, the connection mode of the second threaded column 10 and the second fixed sleeve 3 is threaded connection, one end of the second threaded column 10 is fixedly connected with one side of the second gear 11, one side of the second fixed sleeve 3 is provided with a second threaded rod 12 and a second movable plate 13, the second threaded rod 12 penetrates through the second movable plate 13, the connection mode of the second threaded rod 12 and the second movable plate 13 is threaded connection, one end of the second threaded rod 12 is connected with one side of the first fixed sleeve 2 through a first bearing 15, the first movable plate 7 and the second movable plate 13 are both fixedly connected with two toothed plates 14, the plurality of toothed plates 14 are both connected with the first fixed sleeve 2 and the second fixed sleeve 3 through sliding units, and the second threaded rod 12 and the first threaded rod 6 are connected through a transmission assembly.

In the second embodiment, based on the first embodiment, as shown in fig. 1, 2 and 5, the transmission assembly includes a first bevel gear 16 disposed at one end of the first threaded rod 6, the first bevel gear 16 is fixedly connected with the first threaded rod 6, one side of the second threaded rod 12 is provided with a worm 18, the top end of the worm 18 is fixedly connected with a second bevel gear 17, the second threaded rod 12 is externally sleeved with a worm wheel 19, the worm wheel 19 is fixedly connected with the second threaded rod 12, the worm wheel 19 is engaged with the worm 18, the bottom end of the worm 18 is connected with the second fixing sleeve 3 through a rotating unit, the rotating unit includes a first fixing plate 20 disposed below the worm 18, one side of the first fixing plate 20 is fixedly connected with one side of the second fixing sleeve 3, and the worm 18 is connected with the first fixing plate 20 through a second bearing 21;

through the rotation of the first threaded rod 6, and further through the cooperation of the first threaded rod 6 and the first movable plate 7, two toothed plates 14 move towards the first gear 8, and further the toothed plates 14 are meshed with the first gear 8, and through the cooperation of the toothed plates 14 and the first gear 8, the first threaded column 9 is prevented from rotating due to non-human factors, when the first threaded rod 6 rotates, through the meshing of the first bevel gear 16 and the second bevel gear 17, the worm 18 rotates, through the cooperation of the worm 18 and the worm wheel 19, the second threaded rod 12 rotates, and further through the cooperation of the second threaded rod 12 and the second movable plate 13, the two toothed plates 14 move towards the second gear 11, and further the second gear 11 is meshed with the toothed plates 14, and the second gear 11 and the second threaded column 10 are prevented from rotating due to non-human factors.

Third embodiment, based on the first embodiment, as shown in fig. 3, 4 and 8, the rotational positioning assembly includes a second fixing plate 22 disposed at one end of the first threaded rod 6, a bottom of the second fixing plate 22 is fixedly connected to a top of the first fixing sleeve 2, one end of the first threaded rod 6 is connected to the second fixing plate 22 through a third bearing 23, a fixing ring 24 is sleeved outside the first threaded rod 6, the fixing ring 24 is fixedly connected to the first threaded rod 6, a plurality of through holes 25 are disposed at one side of the fixing ring 24, a third movable plate 26 is disposed at one side of the fixing ring 24, a position-limiting column 27 is fixedly connected to one side of the third movable plate 26, the third movable plate 26 is connected to the second fixing plate 22 through an elastic unit, the elastic unit includes a side plate 29 disposed at one side of the second fixing plate 22, a top of the third movable plate 26 is connected to a top of the side plate 29 through a penetrating plate 28, the penetrating plate 28 penetrates through the second fixing plate 22, one side of the side plate 29 is connected with one side of the second fixing plate 22 through a compression spring 30, the limiting column 27 is positioned in one corresponding through hole 25, and the first threaded rod 6 is provided with two handles 36;

before first threaded rod 6 is rotatory, drive curb plate 29 removes, make compression spring 30 be in compression state, and then remove through running through board 28 drive third fly leaf 26, make in the one end of spacing post 27 breaks away from corresponding through-hole 25, remove the injecing to solid fixed ring 24 position, and then can drive first threaded rod 6 and rotate, when not needing to rotate first threaded rod 6, loosen curb plate 29, and then compression spring 30 drive curb plate 29 removes, make and run through board 28 drive third fly leaf 26 and remove, and then make spacing post 27 insert in the corresponding through-hole 25, thereby make first threaded rod 6 fixed, avoid first threaded rod 6 to rotate because of non-human factor, through the handle 36 that sets up, be convenient for drive first threaded rod 6 is rotatory.

Fourth embodiment, on the basis of the first embodiment, as shown in fig. 1, 5 and 6, the sliding unit includes a position-limiting plate 31 disposed on one side of the toothed plate 14, the position-limiting plate 31 is fixedly connected with the toothed plate 14, two sliding grooves 32 are respectively disposed on the first fixing sleeve 2 and the second fixing sleeve 3, one end of the position-limiting plate 31 is located in the sliding groove 32, one end of the first threaded column 9 contacts with the rectangular tube 1, one end of the second threaded column 10 contacts with the furrow opener 4, inner hexagonal grooves 35 are respectively disposed on the first gear 8 and the second gear 11, one side of the second threaded rod 12 is provided with a third fixing plate 33, one side of the third fixing plate 33 is fixedly connected with one side of the second fixing sleeve 3, one end of the second threaded rod 12 is connected with one side of the third fixing plate 33 through a fourth bearing 34, a mounting plate 37 is fixedly connected to the top of the rectangular tube 1, and a plurality of mounting holes are disposed on the mounting plate 37, through the hexagon socket head 35 that sets up, be convenient for rotate through outside hexagon socket head wrench tool drive first gear 8 and second gear 11, through the cooperation of limiting plate 31 and spout 32 for the steady removal of pinion rack 14, through the cooperation of fourth bearing 34 and third fixed plate 33, make the steady rotation of second threaded rod 12.

The working principle is as follows: during operation, according to actual requirements, the first fixing sleeve 2 is driven to move on the rectangular tube 1, and then the distance between the two first fixing sleeves 2 is adjusted, so that the distance between the two furrow openers 4 is adjusted, the first gear 8 is driven to rotate, one end of the first threaded column 9 is tightly attached to the top of the rectangular tube 1, and then the first fixing sleeve 2 is fixed relative to the rectangular tube 1, according to actual requirements, the furrow opener 4 is driven to move up and down relative to the second fixing sleeve 3, so that the height of the furrow opener 4 can be adjusted, after the adjustment is finished, the second gear 11 is driven to rotate, one end of the second threaded column 10 is tightly attached to one side of the furrow opener 4, so that the furrow opener 4 is fixed relative to the second fixing sleeve 3, the adjustment of the height of the second fixing sleeve 3 is finished, the first threaded rod 6 is driven to rotate, and then the first threaded rod 6 is matched with the first movable plate 7, the two toothed plates 14 move towards the first gear 8, so that the toothed plates 14 are meshed with the first gear 8, through the matching between the toothed plates 14 and the first gear 8, the first threaded column 9 is prevented from rotating due to non-human factors, when the first threaded rod 6 rotates, the worm 18 rotates through the meshing between the first bevel gear 16 and the second bevel gear 17, the second threaded rod 12 rotates through the matching between the worm 18 and the worm wheel 19, and then the two toothed plates 14 move towards the second gear 11 through the matching between the second threaded rod 12 and the second movable plate 13, so that the second gear 11 is meshed with the toothed plates 14, the second gear 11 is prevented from rotating due to non-human factors and the second threaded column 10 is prevented from stably moving through the matching between the limiting plate 31 and the sliding chute 32, and through the matching between the fourth bearing 34 and the third fixed plate 33, so that the second threaded rod 12 stably rotates, before first threaded rod 6 is rotatory, drive curb plate 29 removes, make compression spring 30 be in compression state, and then remove through running through board 28 drive third fly leaf 26, make in the one end of spacing post 27 breaks away from corresponding through-hole 25, remove the injecing to solid fixed ring 24 position, and then can drive first threaded rod 6 and rotate, when not needing to rotate first threaded rod 6, loosen curb plate 29, and then compression spring 30 drive curb plate 29 removes, make and run through board 28 drive third fly leaf 26 and remove, and then make spacing post 27 insert in the corresponding through-hole 25, thereby make first threaded rod 6 fixed, avoid first threaded rod 6 to rotate because of non-human factor, through the handle 36 that sets up, be convenient for drive first threaded rod 6 is rotatory.

TABLE 1 comparison of maize emergence times using the apparatus of the invention with control treatments

In FIG. 9, note: the height of the corn plants is carried out at the 6-leaf spreading stage, two lines in the middle are selected for each treatment, 10 continuous plants are investigated at a position 5m away from the ground and are expressed by cm; plant height uniformity (PHN) is expressed as the reciprocal of the coefficient of variation of plant height, i.e., PHU is the mean value of plant height/standard deviation.

Experimental example 1

A corn no-tillage seeder combined micro-soil preparation drought-resistant operation device and an application method thereof specifically comprise the following steps: the assembly of the device is assembled according to the figure 1 and fixed with a main frame of a no-tillage planter, then the depth of the furrow opener of the device is adjusted to be 3.5cm below the ground level, and finally the furrow opener is combined with the two-row no-tillage planter of Kangda to carry out no-tillage planting operation. In 2018, under the condition that the sowing period in spring in Itong county in the middle of Jilin province is particularly arid, the seedling emergence time of the field after the device is used for operation is 5 days earlier than that of the contrast, the seedling emergence rate is improved by 10.35 percent than that of the contrast, the seedling emergence uniformity is improved by 20.07 percent, and finally the corn seed yield is improved by 16.28 percent than that of the contrast.

Experimental example 2

A corn no-tillage seeder combined micro-soil preparation drought-resistant operation device and an application method thereof specifically comprise the following steps: the assembly of the device is assembled according to the figure 1 and fixed with a main frame of a no-tillage planter, then the depth of the furrow opener of the device is adjusted to be 5cm below the ground level, and finally the device is combined with the Karda no-tillage planter to carry out no-tillage planting operation. 2019, tests are carried out on sandy soil of forest, sea and town of pear county in Jilin province, and the results show that under the condition of particularly drought in the sowing period, the seedling emergence time of the field blocks operated by the device is 3d earlier than that of the control, the seedling emergence rate is improved by 15.21% than that of the control, the seedling emergence uniformity is improved by 10.58%, and finally the corn kernel yield is improved by 10.22% than that of the control.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a maize no-tillage seeder allies oneself with uses little soil preparation drought resisting operation device, includes rectangular pipe (1), its characterized in that: the automatic soil-shifting device is characterized in that two first fixing sleeves (2) are sleeved outside the rectangular pipe (1), one side of each first fixing sleeve (2) is provided with a furrow opener (4), the outside of each furrow opener (4) is sleeved with a second fixing sleeve (3), one side of each second fixing sleeve (3) is fixedly connected with one side of each first fixing sleeve (2), a soil-shifting baffle (5) is arranged on each furrow opener (4), and synchronous fixing assemblies are arranged on the first fixing sleeves (2) and the second fixing sleeves (3);

the synchronous fixing component comprises a first threaded rod (6) and a first movable plate (7) which are arranged above a first fixing sleeve (2), the first threaded rod (6) penetrates through the first movable plate (7), the first threaded rod (6) is in threaded connection with the first movable plate (7), two first gears (8) are arranged above the first fixing sleeve (2), two first threaded columns (9) are arranged in the first fixing sleeve (2), the top ends of the first threaded columns (9) penetrate through the inner wall of the top of the first fixing sleeve (2), the first threaded columns (9) are in threaded connection with the first fixing sleeve (2), the top of the first threaded columns (9) is fixedly connected with the bottom of the first gears (8), one end of the first threaded rod (6) is connected with the first fixing sleeve (2) through a rotary positioning component, one side of the second fixing sleeve (3) is provided with two second gears (11), two second threaded columns (10) are arranged in the second fixing sleeve (3), one end of each second threaded column (10) penetrates through the inner wall of one side of the second fixing sleeve (3), the second threaded columns (10) and the second fixing sleeve (3) are in threaded connection, one end of each second threaded column (10) is fixedly connected with one side of a second gear (11), one side of the second fixing sleeve (3) is provided with a second threaded rod (12) and a second movable plate (13), the second threaded rod (12) penetrates through the second movable plate (13), the second threaded rod (12) and the second movable plate (13) are in threaded connection, one end of the second threaded rod (12) is connected with one side of the first fixing sleeve (2) through a first bearing (15), the first movable plate (7) and the second movable plate (13) are both fixedly connected with two toothed plates (14), and the toothed plates (14) are both connected with the first fixing sleeve (2) and the second fixing sleeve (3) through a sliding unit, the second threaded rod (12) is connected with the first threaded rod (6) through a transmission assembly.

2. The device for micro-tillage drought-resisting operation of the no-tillage corn planter according to claim 1, wherein: the transmission assembly comprises a first bevel gear (16) arranged at one end of a first threaded rod (6), the first bevel gear (16) is fixedly connected with the first threaded rod (6), one side of a second threaded rod (12) is provided with a worm (18), the top end of the worm (18) is fixedly connected with a second bevel gear (17), the outside of the second threaded rod (12) is sleeved with a worm wheel (19), the worm wheel (19) is fixedly connected with the second threaded rod (12), the worm wheel (19) is meshed with the worm (18), and the bottom end of the worm (18) is connected with the second fixing sleeve (3) through a rotating unit.

3. The device for micro-tillage drought-resisting operation of the no-tillage corn planter according to claim 2, wherein: the rotating unit comprises a first fixing plate (20) arranged below the worm (18), one side of the first fixing plate (20) is fixedly connected with one side of the second fixing sleeve (3), and the worm (18) is connected with the first fixing plate (20) through a second bearing (21).

4. The device for micro-tillage drought-resisting operation of the no-tillage corn planter according to claim 1, wherein: the utility model discloses a quick-witted, including rotatory locating component, rotatory locating component is including setting up in second fixed plate (22) of first threaded rod (6) one end, the bottom of second fixed plate (22) and the top fixed connection of first fixed cover (2), the one end and second fixed plate (22) of first threaded rod (6) are connected through third bearing (23), the outside cover of first threaded rod (6) is equipped with solid fixed ring (24), gu fixed ring (24) and first threaded rod (6) fixed connection, a plurality of through-holes (25) have been seted up to one side of solid fixed ring (24), one side of solid fixed ring (24) is equipped with third fly leaf (26), one side fixedly connected with spacing post (27) of third fly leaf (26), third fly leaf (26) and second fixed plate (22) are connected through the elastic element.

5. The device for micro-tillage drought-resisting operation of the corn no-tillage planter according to claim 4, wherein: the elastic unit comprises a side plate (29) arranged on one side of the second fixing plate (22), the top of the third movable plate (26) is connected with the top of the side plate (29) through a penetrating plate (28), the penetrating plate (28) penetrates through the second fixing plate (22), and one side of the side plate (29) is connected with one side of the second fixing plate (22) through a compression spring (30).

6. The device for micro-tillage drought-resisting operation of the no-tillage corn planter according to claim 5, wherein: the limiting column (27) is positioned in one corresponding through hole (25), and the first threaded rod (6) is provided with two handles (36).

7. The device for micro-tillage drought-resisting operation of the no-tillage corn planter according to claim 1, wherein: the sliding unit comprises a limiting plate (31) arranged on one side of the toothed plate (14), the limiting plate (31) is fixedly connected with the toothed plate (14), two sliding grooves (32) are formed in the first fixing sleeve (2) and the second fixing sleeve (3), and one end of the limiting plate (31) is located in the sliding grooves (32).

8. The device for micro-tillage drought-resisting operation of the no-tillage corn planter according to claim 1, wherein: one end of the first threaded column (9) is in contact with the rectangular pipe (1), one end of the second threaded column (10) is in contact with the furrow opener (4), and the first gear (8) and the second gear (11) are both provided with inner hexagonal grooves (35).

9. The device for micro-tillage drought-resisting operation of the no-tillage corn planter according to claim 1, wherein: a third fixing plate (33) is arranged on one side of the second threaded rod (12), one side of the third fixing plate (33) is fixedly connected with one side of the second fixing sleeve (3), and one end of the second threaded rod (12) is connected with one side of the third fixing plate (33) through a fourth bearing (34); the top fixedly connected with mounting panel (37) of rectangular pipe (1), seted up a plurality of mounting holes on mounting panel (37).

10. The application of the micro-soil preparation drought-resistant operation device combined with the no-tillage planter for corn as claimed in claims 1-9, wherein the drought-resistant operation device is combined with the no-tillage planter in a matching way for cleaning dry soil or straws on the surface layer of farmland, so that raised soil platforms are formed between rows, and seedling belts form a tiny rainwater collection area for remarkably improving the emergence rate and the emergence quality of seeds under drought conditions and improving the utilization rate of natural rainfall and the yield of corn.

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