A kind of bed ditch synchronous plastic pressing seed sowing monomer is provided.

Abstract

The invention discloses a kind of seedbed furrow synchronous plastic pressing sowing monomer, which belongs to agricultural machinery.The Π-shaped frame is hung and installed on the parallel four-bar profiled mechanism of seedbed furrow plastic pressing on the monomer frame, the main shaft is rotatably supported and installed on the Π-shaped frame, the conical disc-shaped furrow plastic compacting wheel is fixed on the middle part of the main shaft, the groove-shaped cylindrical seedbed plastic compacting roller with inner ring is rotatably sleeved on both sides of the main shaft, the two seat plates fixed with the Π-shaped frame are rotatably sleeved on both sides of the main shaft respectively, the gear shaft support plate is rotatably sleeved on the main shaft, the cylindrical gear I and II are rotatably installed on the part between the seat plate and the gear shaft support plate through gear shaft I and II, the cylindrical gear III is fixed on the main shaft, the cylindrical gear I is engaged with the inner ring and the cylindrical gear II respectively, and the cylindrical gear III is engaged with the cylindrical gear II.

Description

TECHNICAL FIELD

[0001] The present application belongs to agricultural machinery, and mainly relates to a seeding unit for completing seedbed and seed furrow processing by using a plasticizing and pressing structure before seeding operation. BACKGROUND

[0002] Good seedbed and seed furrow can provide important basic conditions and guarantee for crop seed germination, root development and crop growth. At present, seedbed and seed furrow processing is mostly completed by using single-disc or double-disc seedbed and seed furrow furrow opener. In years of production operation practice, it is found that the single-disc or double-disc furrow opener adopts a rolling cutting and soil stirring operation mode to form a furrow, and the quality and operation effect of the constructed seedbed and seed furrow cannot adapt to and meet the high-level seeding agricultural technology operation requirements. There are many technical defects such as loose, not compact, easy to collapse, irregular shape and the like of the seedbed and seed furrow soil, the seed cannot be fully and closely contacted with the seedbed and seed furrow soil after seeding, the seed is not tightly closed to cause air leakage, the seedbed and seed furrow soil temperature is low, and the loose seedbed and seed furrow soil affects the siphon capacity of the soil and reduces the water content of the seedbed and seed furrow soil, which is not conducive to seed rooting and root growth. SUMMARY

[0003] The purpose of the present application is to solve the problems of the prior art, and to meet the actual needs of the current seedbed and seed furrow construction operation by designing a seedbed and seed furrow synchronous plasticizing and pressing seeding unit, so as to achieve the purpose of compact, regular shape, and being conducive to seed germination and plant growth of the constructed seedbed and seed furrow soil.

[0004] The purpose of the present application is achieved by the following technical scheme: a Π-shaped frame is hung and installed on the single unit frame front end, below the single unit parallel four-bar linkage profiling mechanism, a main shaft is rotatably supported and installed on the two opposite side vertical wall plates of the Π-shaped frame through a bearing seat assembly, a conical disc-shaped seed furrow profiling and compacting wheel is fixed on the middle part of the main shaft inside the two side vertical wall plates of the Π-shaped frame, a groove-shaped cylindrical seedbed profiling and compacting roller is rotatably sleeved on the main shaft at the two side parts of the conical disc-shaped seed furrow profiling and compacting wheel, a seat plate is rotatably sleeved on the main shaft between the two side vertical wall plates of the Π-shaped frame and the opposite groove-shaped cylindrical seedbed profiling and compacting roller, the seat plate is fixed to the Π-shaped frame through a fastener group, a gear shaft support plate is rotatably sleeved on the main shaft inside the groove of the groove-shaped cylindrical seedbed profiling and compacting roller, gear shaft I and gear shaft II are supported and inserted in parallel on the opposite seat plates and the gear shaft support plate, cylindrical gear I and cylindrical gear II are rotatably sleeved on the gear shaft I and the gear shaft II respectively, an inner ring gear is fixed on the circumferential inner wall of the groove-shaped cylindrical seedbed profiling and compacting roller, cylindrical gear III is fixed on the main shaft, the cylindrical gear I meshes with the inner ring gear and the cylindrical gear II respectively, and the cylindrical gear III meshes with the cylindrical gear II; the transmission ratio of the cylindrical gear I and the cylindrical gear III is an increasing ratio; the diameter of the conical disc-shaped seed furrow profiling and compacting wheel is larger than that of the groove-shaped cylindrical seedbed profiling and compacting roller; a transverse anti-skid compacting boss is arranged on the circumferential outer wall of the groove-shaped cylindrical seedbed profiling and compacting roller, thus forming a seedbed and seed furrow synchronous profiling and compacting seeding single unit.

[0005] The present application has novel, unique and reasonable structure, and the seedbed and seed furrow structure constructed by rolling and extruding combination compaction greatly improves the compactness of the seedbed and seed furrow soil, the shape is standard and neat, the bed wall and the groove wall soil does not collapse, the seedbed and seed furrow soil temperature and moisture content are high, the seed contacts with the seed furrow soil closely and sufficiently, and the seed germination rate and plant growth quality are ensured and promoted. BRIEF DESCRIPTION OF DRAWINGS

[0006] Figure 1 It is a schematic diagram of the overall structure of a seedbed and seed furrow synchronous profiling and compacting seeding single unit.

[0007] Figure 2 It is a left view of Figure 1 .

[0008] Figure 3 It is an enlarged view of A part of Figure 1 .

[0009] Figure 4 It is a B-B sectional view of Figure 3 .

[0010] Figure 5 It isFigure 4 C-C sectional view;

[0011] Figure 6 This is a schematic diagram of a cone-shaped, disc-shaped seed trench molding and pressing wheel structure;

[0012] Figure 7 This is a schematic diagram of a grooved cylindrical seed bed shaping and pressing roller structure;

[0013] Figure 8 This is a schematic diagram of the base plate structure;

[0014] Figure 9 This is a schematic diagram of the gear shaft support plate structure.

[0015] Part number description in the image:

[0016] 1. Single frame; 2. Single parallel four-bar linkage conforming mechanism; 3. Parallel four-bar linkage conforming mechanism for shaping and pressing seedbed and seed furrows; 4. Π-shaped frame; 5. Fastener assembly; 6. Bearing seat assembly; 7. Main shaft; 8. Seat plate; 9. Grooved cylindrical seedbed shaping and pressing roller; 10. Conical disc-shaped seed furrow shaping and pressing wheel; 11. Ground wheel; 12. Soil covering and pressing wheel; 13. Seed metering device; 14. Fertilizer box; 15. Seed box; 16. Internal gear ring; 17. Cylindrical gear I; 18. Gear shaft I; 19. Cylindrical gear II; 20. Gear shaft II; 21. Cylindrical gear III; 22. Gear shaft support plate. Detailed Implementation

[0017] The invention is described in detail below with reference to the accompanying drawings. A seedbed and furrow synchronous molding and pressing seeding unit comprises a unit frame 1, a unit parallel four-bar linkage profiling mechanism 2 and a fixed seed box 15 and fertilizer box 14 are respectively hingedly mounted on the front end and upper end of the unit frame 1, a seed metering device 13, a land wheel 11 and a soil covering and pressing wheel 12 are sequentially mounted on the lower side of the unit frame 1, a Π-shaped frame 4 is hingedly mounted by a seedbed and furrow molding and pressing parallel four-bar linkage profiling mechanism 3 on the front end of the unit frame 1 below the unit parallel four-bar linkage profiling mechanism 2, a main shaft 7 is rotatably supported and mounted on the opposite side vertical wall plates of the Π-shaped frame 4 by a bearing seat assembly 6, a conical disc-shaped furrow molding and pressing wheel 10 is fixedly mounted on the middle part of the main shaft 7 inside the opposite side vertical wall plates of the Π-shaped frame 4, a groove-shaped cylindrical seedbed molding and pressing roller 9 is rotatably sleeved on the main shaft 7 on the opposite sides of the conical disc-shaped furrow molding and pressing wheel 10, a seat plate 8 is rotatably sleeved on the main shaft 7 between the opposite groove-shaped cylindrical seedbed molding and pressing rollers 9 and the opposite seat plates 8 of the Π-shaped frame 4, the seat plate 8 is fixedly connected to the Π-shaped frame 4 by a fastener assembly 5, a gear shaft support plate 22 is rotatably sleeved on the main shaft 7 inside the groove cavity of the groove-shaped cylindrical seedbed molding and pressing roller 9, a gear shaft I 18 and a gear shaft II 20 are respectively supported and inserted on the opposite seat plates 8 and gear shaft support plate 22, a cylindrical gear I 17 and a cylindrical gear II 19 are rotatably sleeved on the gear shaft I 18 and gear shaft II 20, an inner ring gear 16 is fixedly mounted on the circumferential inner wall surface of the groove-shaped cylindrical seedbed molding and pressing roller 9, a cylindrical gear III 21 is fixedly mounted on the main shaft 7, the cylindrical gear I 17 is engaged with the inner ring gear 16 and cylindrical gear II 19, and the cylindrical gear III 21 is engaged with the cylindrical gear II 19; the transmission ratio of the cylindrical gear I 17 and the cylindrical gear III 21 is an increasing speed ratio; the diameter of the conical disc-shaped furrow molding and pressing wheel 10 is larger than the diameter of the groove-shaped cylindrical seedbed molding and pressing roller 9; a transverse anti-skid pressing boss is arranged on the circumferential outer wall surface of the groove-shaped cylindrical seedbed molding and pressing roller 9.

[0018] When the device is used, the single parallel four-bar profiling mechanism 2 is used to suspend and connect the whole seeding unit to the frame of the seeding machine, and then move forward. Under the frictional resistance of the close contact between the outer surface of the groove-shaped cylindrical seedbed molding and pressing roller 9 and the soil in the field, the groove-shaped cylindrical seedbed molding and pressing roller 9 drives the inner ring 16 fixed thereon to rotate on the main shaft 7. While the groove-shaped cylindrical seedbed molding and pressing roller 9 is performing and completing the pressing work on the soil at the seedbed site, the rotating inner ring 16 drives the main shaft 7 to rotate through the cylindrical gear I 17, the cylindrical gear II 19, and the cylindrical gear III 21 in sequence. The rotating main shaft 7 drives the conical disc-shaped seed furrow molding and pressing wheel 10 to rotate in the same direction as the groove-shaped cylindrical seedbed molding and pressing roller 9. The conical disc-shaped seed furrow molding and pressing wheel 10, which has a larger diameter than the groove-shaped cylindrical seedbed molding and pressing roller 9, presses a triangular seed furrow in the middle of the seedbed. Based on the speed ratio between the cylindrical gear I 17 and the cylindrical gear III 21, the conical disc-shaped seed furrow molding and pressing wheel 10, which has a higher rotational speed and linear speed, produces relative sliding and wiping effects on the side wall and bottom wall of the seed furrow. Not only is the soil in the seed furrow more compact and firm, but also the shape of the seed furrow is more accurate. After the seed furrow is seeded by the seed metering device 13, the soil covering and pressing wheel 12 performs and completes the compaction and sealing processing on the soil layer above the seedbed and the seed furrow.

Claims

1. A seedbed and seed furrow synchronous shaping and pressing sowing unit, comprising a unit frame (1), wherein a unit parallel four-bar linkage shaping mechanism (2) and a fixed seed box (15) and fertilizer box (14) are respectively hinged to the front and upper ends of the unit frame (1), and a seed metering device (13), a ground wheel (11) and a soil covering and pressing wheel (12) are sequentially installed on the lower side of the unit frame (1), characterized in that: A Π-shaped frame (4) is suspended and installed at the front end of the single frame (1), below the single parallel four-bar linkage (2), via a seed bed furrow molding and pressing parallel four-bar linkage (3). A main shaft (7) is rotatably supported and installed on the vertical wall panels on both sides of the Π-shaped frame (4) via a bearing seat assembly (6). A conical disc-shaped seed furrow molding and pressing wheel (10) is fixedly mounted on the main shaft (7) at the middle part of the inner side of the vertical wall panels on both sides of the Π-shaped frame (4). On the main shaft (7), located at the conical... On both sides of the disc-shaped seed furrow shaping pressing roller (10), trough-shaped cylindrical seed bed shaping pressing rollers (9) are symmetrically and rotatably mounted. On the main shaft (7), between the vertical wall plates on both sides of the Π-shaped frame (4) and the opposite trough-shaped cylindrical seed bed shaping pressing rollers (9), seat plates (8) are rotatably mounted. The seat plates (8) are fixed to the Π-shaped frame (4) by fastener assembly (5). On the main shaft (7), inside the groove cavity of the trough-shaped cylindrical seed bed shaping pressing roller (9) A gear shaft support plate (22) is rotatably mounted on the gear shaft support plate (22), and gear shaft I (18) and gear shaft II (20) are respectively supported parallel to each other on the oppositely arranged seat plate (8) and gear shaft support plate (22). Cylindrical gear I (17) and cylindrical gear II (19) are rotatably mounted on gear shaft I (18) and gear shaft II (20) respectively. An internal gear ring (16) is fixed on the inner circumference of the grooved cylindrical seed bed molding and pressing roller (9), and cylindrical gear III (21) is fixed on the main shaft. (7) On the upper part, the cylindrical gear I (17) meshes with the internal gear ring (16) and the cylindrical gear II (19) respectively, and the cylindrical gear III (21) meshes with the cylindrical gear II (19); the transmission ratio of the cylindrical gear I (17) and the cylindrical gear III (21) is the speed ratio; the diameter of the conical disc-shaped seed groove molding pressing roller (10) is larger than the diameter of the groove cylindrical seed bed molding pressing roller (9); a transverse anti-slip pressing boss is provided on the outer circumference of the groove cylindrical seed bed molding pressing roller (9).

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