A rice straw furrow burying and returning to the field large ridge double row land preparation integrated equipment

Abstract

The invention discloses a rice straw furrow burying and returning to the field large ridge double row land preparation integrated equipment, belonging to the technical field of agricultural equipment, comprising: a frame, the first end of the frame is drivingly connected to a traction device; the frame is sequentially provided with an anti-sinking moving part, a straw returning device, a rotary tillage device and a straw turning and burying device from the first end to the second end. The invention can return rice straw to the field and prepare the land after the autumn rice harvest, and can make full use of the natural water, light and temperature resources from the autumn rice harvest to the freezing of the tillage layer soil and the freezing and thawing alternation process of the following spring to promote the decomposition of rice straw and the release of nutrients.

Description

[0001] This application is a divisional application. The application number of the original application is 202410309164.6, the application date is March 18, 2024, and the name of the invention is "Integrated machine and method for returning rice straw to the field in large ridges and double rows in autumn in cold regions". Technical Field

[0002] The invention belongs to the technical field of agricultural equipment, and in particular relates to a large-ridge double-row land preparation integrated equipment for returning rice straw to fields by burying it in furrows. Background Art

[0003] Northeast China is the main production area of ​​high-quality japonica rice in my country. While ensuring my country's food security supply, how to deal with a large amount of rice straw has become a major problem. Returning rice straw to the field is an important measure to improve soil fertility, soil structure, increase soil organic matter content and reduce environmental pollution caused by burning rice straw.

[0004] At present, rice straw is mostly returned to the fields by burying it with a plow or burying it with a rotary tiller. The plowing method has the problems of many large lumps of soil, difficulty in leveling, and a large number of workers, while the rotary tiller has the problems of poor straw burying effect, shallow burial depth, and easy floating after rehydration.

[0005] In addition, due to the special geographical location of the Northeast region, the winters are cold and long. The traditional method of returning straw to the fields generally involves spring plowing and spring pulping. From the autumn harvest to the following spring, the straw is always exposed on the surface and in a low-temperature and dry state, making it impossible to decompose quickly. Summary of the invention

[0006] In order to solve the above problems, the present invention adopts the following technical solutions:

[0007] A rice straw furrow burying and returning to the field large ridge double row land preparation integrated equipment, comprising:

[0008] a frame, wherein a first end of the frame is drivingly connected to the traction device;

[0009] The frame is provided with an anti-sinking moving part, a straw returning device, a rotary tillage device and a straw burying device in sequence from the first end to the second end.

[0010] Furthermore, the anti-sinking moving part includes a connecting frame, a linkage shaft and an anti-sinking wheel, there are two connecting frames, and the two connecting frames are relatively arranged on both sides of the width direction of the frame; the two connecting frames are both located at the lower end of the frame and fixedly connected to the frame; the linkage shaft is located between the two connecting frames and is rotatably connected to the two connecting frames, wherein both ends of the linkage shaft respectively pass through the connecting frames and extend to the outside of the connecting frames; there are two anti-sinking wheels, which are respectively fixedly mounted at both ends of the linkage shaft.

[0011] Furthermore, the straw return device includes a support frame arranged along the width direction of the frame and fixedly mounted on the frame, and a plurality of straw returners evenly arranged on the support frame, the straw returner includes two first driving parts and two return claw plates, the two first driving parts are relatively arranged and fixedly mounted on the lower end of the support frame; the two return claw plates are arranged in a one-to-one correspondence with the two first driving parts, and are drivingly connected to the corresponding first driving parts; the return claw plates are arranged at an inclination angle at the driving end of the first driving part, and the lowest end of the inclined return claw plate is located between the two first driving parts.

[0012] Furthermore, the first driving unit is one of an electric motor, a hydraulic motor or a pneumatic motor.

[0013] Furthermore, the rotary tilling device includes a mounting frame arranged along the width direction of the frame and fixedly mounted on the frame, a driving frame arranged at the lower end of the mounting frame, a driving shaft rotatably connected to the driving frame, a plurality of groups of rotary tilling blade groups arranged at intervals on the driving shaft, and a second driving unit arranged on the driving frame, and the second driving unit is drivingly connected to the driving shaft.

[0014] Furthermore, a guard plate is provided on a side of the driving frame away from the traction device, and the guard plate is located at an upper end of the rotary tillage blade group.

[0015] Furthermore, the rotary tiller blade group includes two rotary tiller heads arranged opposite to each other, the blades of the rotary tiller heads have a bending portion, and the bending direction of the bending portion of the rotary tiller head is located in a direction away from the other rotary tiller head in the rotary tiller blade group.

[0016] Furthermore, the straw burying device includes a moldboard plow mounting frame, a third driving unit and a moldboard plow, the moldboard plow mounting frame is arranged along the width direction of the frame and fixedly mounted on the frame, the moldboard plows are in multiple groups, and multiple groups of the moldboard plows are evenly arranged on the moldboard plow mounting frame, wherein the moldboard plow is hingedly connected to the moldboard plow mounting frame; the fixed end of the third driving unit is hingedly connected to the moldboard plow mounting frame, and the driving end of the third driving unit is hingedly connected to the moldboard plow.

[0017] Furthermore, the third driving part is a hydraulic cylinder or a pneumatic cylinder.

[0018] A method for using a rice straw furrow burying and returning to the field large ridge double row land preparation integrated equipment, the method comprising the following steps:

[0019] S10. A rice straw furrow burying and returning to the field large ridge double row land preparation integrated equipment enters the rice field under the traction of a traction device;

[0020] S20, the front section straw returning device returns the straw evenly scattered on the ground by the harvester to rows;

[0021] S30, the rotary tillage device in the middle section performs rotary tillage operation on the empty row between the two rows of straw, and this area is the large ridge double-row transplanting area in the next year;

[0022] S40, the straw burying device at the rear stage performs the operations of digging trenches in the rice field, putting straw into the trenches, and reburying the straw in the soil, so as to realize the centralized trench burying of the straw and returning it to the field.

[0023] Beneficial effects:

[0024] The present invention relates to an integrated equipment for returning rice straw to fields by burying it in ditches and preparing land on large ridges and double rows. The equipment can return rice straw to fields and prepare the land after rice is harvested in autumn. The equipment can make full use of the natural water, light and temperature resources during the freezing and thawing process after rice is harvested in autumn and before the soil in the cultivated layer freezes, and in the following spring to promote the decomposition of rice straw and the release of nutrients.

[0025] In addition, through the method of returning the soil to the fields by burying the ditch in autumn and preparing the land on large ridges with double rows, the disturbance to the soil layer caused by deep plowing of the entire plot was effectively reduced, and local rotary tillage and loosening of the soil were completed at the same time through a single field operation, thus preparing for the re-watering and transplanting of rice seedlings the following year. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The schematic diagram of the structure of a rice straw furrow burying and returning to the field large ridge double row land preparation equipment;

[0027] Figure 2 It is a structural top view of a rice straw furrow burying and returning to the field large ridge double row land preparation equipment;

[0028] Figure 3 This is a working diagram of a rice straw furrow burying and returning to the field large ridge double row land preparation equipment:

[0029] Figure 4 This is a schematic diagram of the structure of the traction device and the anti-sinking moving part:

[0030] Figure 5 This is a schematic diagram of the structure of the straw returning device:

[0031] Figure 6 This is a schematic diagram of the layout of the straw returning device:

[0032] Figure 7 It is a structural schematic diagram of a rotary tillage device;

[0033] Figure 8 It is a front view of the rotary tillage device;

[0034] Fig. 9 It is a schematic diagram of the working state structure of the straw burying device;

[0035] Fig.10 It is a schematic diagram of the recovery state of the moldboard plow in the straw burying device;

[0036] Fig.11 1. It is a schematic diagram of the working state of the straw burying device;

[0037] Among them, 1. frame; 2. traction device; 3. anti-sinking moving part; 4. straw returning device; 41. first driving part; 42. returning claw disc; 43. supporting frame; 5. rotary tillage device; 51. second driving part; 52. rotary tillage blade; 6. guard plate; 7. straw burying device; 8. third driving part; 9. straw burying row; 10. rotary tillage transplanting row; 11. straw row. DETAILED DESCRIPTION

[0038] Reference Figures 1 to 11 , a rice straw furrow burying and returning to the field large ridge double row land preparation integrated equipment, comprising:

[0039] A frame 1, wherein a first end of the frame 1 is drivingly connected to a traction device 2;

[0040] The frame 1 is provided with an anti-sinking moving part 3, a straw returning device 4, a rotary tillage device 5 and a straw burying device 7 in sequence from the first end to the second end.

[0041] In this embodiment, the traction device 2 is preferably a tractor.

[0042] In this embodiment, the anti-sinking moving part 3 includes a connecting frame, a linkage shaft and an anti-sinking wheel. There are two connecting frames, which are relatively arranged on both sides of the width direction of the frame 1; the two connecting frames are located at the lower end of the frame 1 and are fixedly connected to the frame 1; the linkage shaft is located between the two connecting frames and is rotatably connected to the two connecting frames, wherein both ends of the linkage shaft respectively pass through the connecting frames and extend to the outside of the connecting frames; there are two anti-sinking wheels, which are respectively fixedly installed at both ends of the linkage shaft.

[0043] In this embodiment, the straw return device 4 includes a support frame 43 arranged along the width direction of the frame 1 and fixedly installed on the frame 1, and a plurality of straw returners evenly arranged on the support frame 43. The straw returner includes two first driving parts 41 and two return claw plates 42. The two first driving parts 41 are relatively arranged and fixedly installed at the lower end of the support frame 43; the two return claw plates 42 are arranged in a one-to-one correspondence with the two first driving parts 41, and are drivingly connected to the corresponding first driving parts 41; the return claw plates 42 are arranged at an inclination angle at the driving end of the first driving part 41, and the lowest end of the inclined return claw plates 42 is located between the two first driving parts.

[0044] In this embodiment, the first driving unit 41 is one of an electric motor, a hydraulic motor or a pneumatic motor.

[0045] In this embodiment, the rotary tilling device 5 includes a mounting frame arranged along the width direction of the frame 1 and fixedly installed on the frame 1, a driving frame arranged at the lower end of the mounting frame, a driving shaft rotatably connected to the driving frame, a plurality of groups of rotary tilling blade groups arranged at intervals on the driving shaft, and a second driving part 51 arranged on the driving frame, and the second driving part 51 is drivingly connected to the driving shaft.

[0046] In this embodiment, a guard plate 6 is provided on a side of the driving frame away from the traction device 2, and the guard plate 6 is located at the upper end of the rotary tillage blade group.

[0047] The second driving unit 51 is one of an electric motor, a hydraulic motor or a pneumatic motor.

[0048] In this embodiment, the rotary tiller blade assembly includes two oppositely disposed rotary tiller heads 52, the blades of the rotary tiller heads 52 have a bending portion, and the bending direction of the bending portion of the rotary tiller head 52 is located in a direction away from the other rotary tiller head 52 in the rotary tiller blade assembly.

[0049] In this embodiment, the straw burying device 7 includes a moldboard plow mounting frame, a third driving unit 8 and a moldboard plow. The moldboard plow mounting frame is arranged along the width direction of the frame 1 and fixedly installed on the frame 1. The moldboard plows are divided into multiple groups, and the multiple groups of moldboard plows are evenly arranged on the moldboard plow mounting frame, wherein the moldboard plow is hingedly connected to the moldboard plow mounting frame; the fixed end of the third driving unit 8 is hingedly connected to the moldboard plow mounting frame, and the driving end of the third driving unit 8 is hingedly connected to the moldboard plow.

[0050] In this embodiment, the third driving part 8 is a hydraulic cylinder or a pneumatic cylinder.

[0051] A method for using a rice straw furrow burying and returning to the field large ridge double row land preparation integrated equipment, the method comprising the following steps:

[0052] S10, a rice straw furrow burying and returning to the field large ridge double row land preparation integrated equipment enters the rice field under the traction of a tractor, and two row returning claw plates 42 are symmetrical on each row;

[0053] S20, the front section straw row returning device 4 returns the straw evenly scattered on the ground by the harvester to the straw row 11;

[0054] S30, the rotary tillage device 5 in the middle section performs rotary tillage operation on the empty row between the two rows of straw, and this area is the large ridge double-row transplanting area in the next year, that is, the rotary tillage transplanting row 10;

[0055] S40, the rear straw burying device 7 performs the paddy field trenching, straw placement and soil re-burying operations to achieve concentrated trench burying of straw and straw burying row 9 returning to the field.

[0056] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A rice straw furrow burying and returning to the field large ridge double row land preparation integrated equipment, characterized in that: include: A frame (1), wherein a first end of the frame (1) is drivingly connected to a traction device (2); The frame (1) is provided with an anti-sinking moving part (3), a straw returning device (4), a rotary tillage device (5) and a straw burying device (7) in sequence from the first end to the second end; The straw return device (4) comprises a support frame (43) arranged along the width direction of the frame (1) and fixedly mounted on the frame (1) and a plurality of straw return devices evenly arranged on the support frame (43), the straw return device comprising two first driving parts (41) and two return claw plates (42), the two first driving parts (41) being arranged opposite to each other and fixedly mounted on the lower end of the support frame (43); the two return claw plates (42) being arranged in one-to-one correspondence with the two first driving parts (41) and being drivingly connected to the corresponding first driving parts (41); the return claw plates (42) being arranged at an inclination angle at the driving end of the first driving part (41), and the lowest end of the inclined return claw plates (42) being located between the two first driving parts (41); The rotary tillage device (5) comprises a mounting frame arranged along the width direction of the frame (1) and fixedly mounted on the frame (1), a driving frame arranged at the lower end of the mounting frame, a driving shaft rotatably connected to the driving frame, a plurality of rotary tillage blade groups arranged at intervals on the driving shaft, and a second driving part (51) arranged on the driving frame, wherein the second driving part (51) is drivingly connected to the driving shaft; The rotary tiller blade assembly comprises two rotary tiller blades (52) arranged opposite to each other, the blades of the rotary tiller blades (52) having a bending portion, and the bending direction of the bending portion of the rotary tiller blade (52) is located in a direction away from the other rotary tiller blade head (52) in the rotary tiller blade assembly; The straw burying device (7) comprises a moldboard plow mounting frame, a third driving unit (8) and a moldboard plow, wherein the moldboard plow mounting frame is arranged along the width direction of the frame (1) and is fixedly mounted on the frame (1), the moldboard plows are multiple groups, and the multiple groups of moldboard plows are evenly arranged on the moldboard plow mounting frame, wherein the moldboard plows are hingedly connected to the moldboard plow mounting frame; the fixed end of the third driving unit (8) is hingedly connected to the moldboard plow mounting frame, and the driving end of the third driving unit (8) is hingedly connected to the moldboard plow; The method for using the rice straw ditch burying and returning to the field large ridge double row land preparation integrated equipment comprises the following steps: S10, a rice straw furrow burying and returning to the field large ridge double row land preparation integrated equipment enters the rice field under the traction of the traction device (2); S20, the front section straw returning device (4) returns the straw evenly scattered on the ground by the harvester to rows; S30, the rotary tillage device (5) in the middle section performs rotary tillage operation on the empty row between the two rows of straw, and this area is the large ridge double-row rice planting area in the next year; S40, the rear straw burying device (7) performs the operations of digging trenches in the paddy field, putting straw into the trenches, and reburying the straw in the soil, so as to realize the centralized trench burying of the straw and returning it to the field.

2. The rice straw ditch burying and returning to the field large ridge double row land preparation integrated equipment according to claim 1, characterized in that: The first driving part (41) is one of an electric motor, a hydraulic motor or a pneumatic motor.

3. The rice straw ditch burying and returning to the field large ridge double row land preparation integrated equipment according to claim 1, characterized in that: A guard plate (6) is provided on the side of the driving frame away from the traction device (2), and the guard plate (6) is located at the upper end of the rotary tiller blade group.

4. The rice straw ditch burying and returning to the field large ridge double row land preparation integrated equipment according to claim 1, characterized in that: The third driving part (8) is a hydraulic cylinder or a pneumatic cylinder.

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