Structure for casting seeding monomer seed pressing wheel and casting V-shaped press wheel

Abstract

The utility model discloses a structure for casting a seeding single-body seed pressing wheel and a casting V-shaped press wheel, which comprises a seed pressing wheel assembly, a casting V-shaped press wheel seat welding part, a press wheel limiting plate, a seed pressing wheel assembly hook, a lower opening fertilizer pipe assembly and a press wheel assembly which are mounted and fastened through a bolt and a nut standard component. And the assembly structure of the seed pressing wheel assembly and the cast V-shaped press wheel assembly of the seeder is formed. Soil of a seedbed is fully compacted through primary seed pressing of the seed pressing wheel assembly and secondary seed pressing of the press wheel assembly, the effect of preserving soil moisture of seeds is achieved, and the V-shaped press wheel body has the advantages of being stable in rigidity and plasticity, easy to use, good in safety and capable of rapidly completing connection operation and effectively improving sowing efficiency.

Description

Technical Field

[0001] The utility model relates to the field of agricultural machinery, in particular to a structure for casting a single-seed pressing wheel of a seeding unit and a casting V-shaped pressing wheel. Background Art

[0002] In the current no-till seeder in use, many single units adopt a casting single-unit structure. However, the assembly structures of the seed pressing wheel assembly and the V-shaped pressing wheel assembly that cooperate with the casting single unit both use a V-shaped pressing wheel body formed by bending sheet metal and welding between sheet metals. Due to the inconsistent structures, shapes, sizes, and angles of each V-shaped pressing wheel body, the rigidity and plasticity are unstable, and batch installation cannot achieve the effect of consistent installation. There are disadvantages such as troublesome use, poor safety, inability to quickly connect for operation, and affecting the seeding efficiency. Summary of the Invention

[0003] The purpose of the utility model is to overcome the deficiencies existing in the above-mentioned prior art, and provides a structure for casting a single-seed pressing wheel of a seeding unit and a casting V-shaped pressing wheel with stable rigidity and plasticity, simple use, good safety, capable of quickly completing the connection operation, and effectively improving the seeding efficiency.

[0004] In order to solve the above technical problems, the technical solution of the utility model is as follows:

[0005] It includes a seed pressing wheel assembly and a pressing wheel assembly. A casting V-shaped pressing wheel seat weldment is provided between the seed pressing wheel assembly and the pressing wheel assembly. The casting V-shaped pressing wheel seat weldment is composed of two vertical plates and a connecting plate provided between the two vertical plates. Each vertical plate is provided with a seed pressing wheel assembly hole, a seed pressing wheel spring hook pin hole, a seed pressing wheel assembly hook mounting hole, an installation position for an equal-length double-headed stud, and a lower fertilizer pipe assembly fixing through hole, a pressing wheel limiting plate fixing through hole, and a pressing wheel spring installation through hole arranged in sequence from top to bottom. A seed pressing wheel limiting plate and a V-shaped pressing wheel fixing bushing are provided between the two vertical plates. A fertilizer pipe orifice is provided on the connecting plate. A seed pressing wheel sleeve in the seed pressing wheel assembly is provided between the seed pressing wheel assembly holes; a seed pressing wheel spring hook pin in the seed pressing wheel assembly is provided between the seed pressing wheel spring hook pin holes; an equal-length double-headed stud is provided between the installation positions for the equal-length double-headed studs. Seed pressing wheel tension springs are respectively provided between the two ends of the seed pressing wheel spring hook pin and the two ends of the corresponding equal-length double-headed stud. Through the tension of the seed pressing wheel tension springs, the pressure of the seed pressing wheel assembly on the ground can be made greater, and the seeds can be pressed more firmly; a seed pressing wheel assembly hook is provided on the seed pressing wheel assembly hook mounting hole; a pressing wheel assembly is provided on the V-shaped pressing wheel fixing shaft; a pressing wheel limiting plate is provided between the pressing wheel limiting plate fixing through holes; a lower fertilizer pipe assembly is provided between the fertilizer pipe orifice and the lower fertilizer pipe assembly fixing through hole.

[0006] The seed pressing wheel assembly includes a seed pressing wheel support arm welding, a self-lubricating rolled bearing, a seed pressing wheel bushing, a seed pressing wheel spring hanging pin, a seed pressing wheel, an O-ring, a bearing, a hole retaining ring, a seed pressing wheel bearing cover, and a seed pressing wheel sleeve. A seed pressing wheel sleeve is provided on the seed pressing wheel support arm welding. The self-lubricating rolled bearing is sleeved on the seed pressing wheel bushing, and the self-lubricating rolled bearing is sleeved inside the seed pressing wheel sleeve. Bolts and nuts are respectively provided on the outer side of the seed pressing wheel assembly hole of the seed pressing wheel bushing. The outer circumferential surface of the seed pressing wheel has a groove, and a bearing mounting hole is provided inside the inner ring of the seed pressing wheel. The O-ring is sleeved in the groove on the outer circumferential surface of the seed pressing wheel. The bearing is sleeved in the bearing mounting hole, and the bearing is fixed by the hole retaining ring. The seed pressing wheel bearing cover is pressed against the inner rings at both ends of the bearing. Bolts and nuts are provided between the hole of the seed pressing wheel support arm welding and the hole of the bearing.

[0007] The described soil compaction wheel assembly includes a V-shaped soil compaction wheel main body. Bush holes are respectively provided at both ends of the V-shaped soil compaction wheel main body. Two profiling four-bar bushings are respectively sleeved in the bush holes at both ends of the V-shaped soil compaction wheel main body. Two V-shaped soil compaction wheel bushings are respectively sleeved inside the two profiling four-bar bushings. Bolts are respectively provided between the two V-shaped soil compaction wheel bushings and the threaded holes provided inside both ends of the corresponding V-shaped soil compaction wheel fixed shafts. A through hole provided in the middle part of the V-shaped soil compaction wheel main body fixes the compaction frame welding and the V-shaped soil compaction wheel sub-assembly through bolts and nuts. The V-shaped soil compaction wheel sub-assembly is sleeved on the compaction frame welding. The soil compaction wheel adjusting handle and the V-shaped soil compaction wheel main body are fastened by bolts. A soil compaction wheel spring mounting hole is provided on the soil compaction wheel adjusting handle. Two soil compaction scraping plates are fixed on two V-shaped soil compaction wheel main body through holes respectively provided on both sides of the V-shaped soil compaction wheel main body. One end of the soil compaction wheel spring is hung on a bolt provided in the soil compaction wheel spring mounting through hole of the cast V-shaped soil compaction wheel seat welding, and the other end is hung on the soil compaction wheel spring mounting hole. The V-shaped soil compaction wheel main body has three gears. By adjusting the soil compaction wheel adjusting handle to be located at the three gear positions of the V-shaped soil compaction wheel main body, the telescopic amount of the soil compaction wheel spring can be indirectly stretched, so that the pressure of the soil compaction wheel assembly on the ground can be adjusted.

[0008] The described lower orifice fertilizer tube assembly is composed of a lower orifice fertilizer tube located below the fertilizer orifice, an orifice fertilizer fixing tube fixed on the lower orifice fertilizer tube, and a bolt and nut assembly that connects both ends of the orifice fertilizer fixing tube between the lower orifice fertilizer tube assembly fixing through holes.

[0009] . Due to the adoption of the above technical solution, the utility model has the advantages that the main body size and angle are consistent, the rigidity and plasticity are stable, the batch installation size is consistent, it is simple to use, has good safety, can quickly complete the connection operation, and effectively improves the sowing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a structural schematic diagram of the utility model;

[0011] Figure 2It is a schematic structural diagram of the press-seed wheel assembly in the present utility model;

[0012] Figure 3 It is an exploded schematic diagram of the press-seed wheel assembly in the present utility model;

[0013] Figure 4 It is a schematic structural diagram of the welded casting V-shaped press wheel seat in the present utility model;

[0014] Figure 5 It is a schematic structural diagram of the lower fertilizer tube assembly in the present utility model;

[0015] Figure 6 It is a schematic structural diagram of the press wheel assembly in the present utility model;

[0016] Figure 7 It is an exploded schematic diagram of the press wheel assembly in the present utility model;

[0017] Figure 8 It is a schematic diagram of a casting monomer.

[0018] In the figure: 1. Press-seed wheel assembly, 2. Welded casting V-shaped press wheel seat, 3. Press wheel limit plate, 4. Press-seed wheel assembly hook, 5. Lower fertilizer tube assembly, 6. Press wheel assembly, 7. Welded press-seed wheel support arm, 8. Self-lubricating rolled bearing, 9. Press-seed wheel bushing, 10. Press-seed wheel spring hanging pin, 11. Press-seed wheel, 12. O-ring, 13. Bearing, 14. Hole retaining ring, 15. Press-seed wheel bearing cover, 16. Press-seed wheel sleeve, 17. Press wheel limit plate, 18. Installation hole for press-seed wheel assembly hook, 19. Installation position of equal-length stud, 20. V-shaped press wheel fixed bushing, 21. Threaded holes at both ends inside the V-shaped press wheel fixed shaft, 22. Fixed through hole for lower fertilizer tube assembly, 23. Fixed through hole for press wheel limit plate, 24. Press wheel spring installation through hole, 25. Lower fertilizer tube, 26. Fertilizer fixed tube, 27. V-shaped press wheel main body, 28. Bushing hole, 29. Profiled four-bar bushing, 30. V-shaped press wheel bushing, 31. Through hole, 32. Welded press frame, 33. Sub-assembly of V-shaped press wheel, 34. Press wheel adjustment handle, 35. Press wheel spring installation hole, 36. Through hole of V-shaped press wheel main body, 37. Press mud scraper, 38. Press wheel spring, 39. Press-seed wheel tension spring, 40. Vertical plate, 41. Connecting plate, 42. Press-seed wheel assembly hole, 43. Fertilizer tube mouth, 44. Press-seed wheel spring hanging pin hole, 45. Long hole, 46. Threaded hole, 47. Casting monomer. Specific embodiments

[0019] Such as Figure 1-8As shown in the figure, a structure for casting a single-seed pressing wheel and a V-shaped soil compaction wheel of the present utility model includes a seed pressing wheel assembly 1 and a soil compaction wheel assembly 6. A cast V-shaped soil compaction wheel seat weldment 2 is provided between the seed pressing wheel assembly and the soil compaction wheel assembly. The cast V-shaped soil compaction wheel seat weldment 2 is composed of two vertical plates 40 and a connecting plate 41 provided between the two vertical plates 40. Each vertical plate 40 is provided with a seed pressing wheel assembly hole 42, a seed pressing wheel spring hanging pin hole 43, a seed pressing wheel assembly hook mounting hole 18, an equal-length stud mounting position 19, and lower fertilizer pipe assembly fixing through holes 22, soil compaction wheel limiting plate fixing through holes 23, and soil compaction wheel spring installation through holes 24 arranged in sequence from top to bottom. A seed pressing wheel limiting plate 17 and a V-shaped soil compaction wheel fixing bushing 20 are provided between the two vertical plates 40. A fertilizer pipe orifice 43 is provided on the connecting plate 41. A seed pressing wheel sleeve 16 in the seed pressing wheel assembly 1 is provided between the seed pressing wheel assembly holes 42; a seed pressing wheel spring hanging pin 10 in the seed pressing wheel assembly 1 is provided between the seed pressing wheel spring hanging pin holes 44. Equal-length studs are provided between the equal-length stud mounting positions 19. Seed pressing wheel tension springs 39 are respectively provided between the two ends of the seed pressing wheel spring hanging pin 10 and the two ends of the corresponding equal-length studs; a seed pressing wheel assembly hook 4 is provided on the seed pressing wheel assembly hook mounting hole 18; a soil compaction wheel assembly 6 is provided on the V-shaped soil compaction wheel fixing shaft 20; a soil compaction wheel limiting plate 3 is provided between the soil compaction wheel limiting plate fixing through holes 23; a lower fertilizer pipe assembly 5 is provided between the fertilizer pipe orifice 43 and the lower fertilizer pipe assembly fixing through holes 22. The seed pressing wheel assembly 1 includes a seed pressing wheel arm weldment 7, a self-lubricating rolled bearing 8, a seed pressing wheel sleeve 9, a seed pressing wheel spring hanging pin 10, a seed pressing wheel 11, an O-ring 12, a bearing 13, a snap ring for hole 14, a seed pressing wheel bearing cover 15, and a seed pressing wheel sleeve 16. The seed pressing wheel sleeve 16 is provided on the seed pressing wheel arm weldment 7. The self-lubricating rolled bearing 8 is sleeved on the seed pressing wheel sleeve 9, and the self-lubricating rolled bearing 8 is sleeved inside the seed pressing wheel sleeve 16. Bolts and nuts are provided between the seed pressing wheel sleeve 9 and the seed pressing wheel assembly hole 42. The outer circumferential surface of the seed pressing wheel 11 has a groove, and a bearing installation hole is provided inside the seed pressing wheel 11. The O-ring 12 is sleeved in the groove on the outer circumferential surface of the seed pressing wheel 11. The bearing 13 is sleeved in the bearing installation hole, and the bearing 13 is fixed by the snap ring for hole 14. The seed pressing wheel bearing cover 15 is pressed against the inner rings at both ends of the bearing 13. Bolts and nuts are provided between the seed pressing wheel arm weldment 7 and the hole of the bearing 13.The described press wheel assembly 6 includes a V-shaped press wheel body 27. Bush holes 28 are respectively provided at both ends of the V-shaped press wheel body 27. Two profiling four-bar bushings 29 are respectively sleeved in the bush holes 28 at both ends of the V-shaped press wheel body 27. Two V-shaped press wheel bushings 30 are respectively sleeved in the two profiling four-bar bushings 29. Bolts are respectively provided between the two V-shaped press wheel bushings 30 and the threaded holes 21 provided inside both ends of the corresponding V-shaped press wheel fixed shaft 20. A through hole 31 provided in the middle part of the V-shaped press wheel body 27 fixes the press frame welding 32 and the V-shaped press wheel sub-assembly 33 through bolts and nuts. The V-shaped press wheel sub-assembly 33 is sleeved on the press frame welding 32. The press wheel adjusting handle 34 is fastened to the V-shaped press wheel body 27 by bolts. A press wheel spring mounting hole 35 is provided on the press wheel adjusting handle 34. Two press wheel scraping plates 37 are fixed on two V-shaped press wheel body through holes 36 respectively provided on both sides of the V-shaped press wheel body 27. One end of a press wheel spring 38 is hung on a bolt provided in a press wheel spring mounting through hole 24 of the cast V-shaped press wheel seat welding 2, and the other end is hung on the press wheel spring mounting hole 35. The V-shaped press wheel body 27 has three gears, and the press wheel adjusting handle 34 is adjusted to be located at the three gear positions of the V-shaped press wheel body 27. The described lower orifice fertilizer pipe assembly 5 is composed of a lower orifice fertilizer pipe 25 located below the fertilizer orifice 43, an orifice fertilizer fixing pipe 26 fixed on the lower orifice fertilizer pipe 25, and a bolt and nut assembly that connects both ends of the orifice fertilizer fixing pipe 26 between the lower orifice fertilizer pipe assembly fixing through holes 22.

[0020] . During specific use, the two long holes 45 of the cast V-shaped press wheel seat welding 2 of the present invention and the two threaded holes 46 of the cast monomer 47 can be connected together by standard bolts for use.

[0021] . In the present invention, the installation method of the seed pressing wheel assembly 1 and the cast V-shaped press wheel seat welding 2 is as follows: Bolts and nuts are provided between the seed pressing wheel bushing 9 and the seed pressing wheel assembly hole 42. A seed pressing wheel assembly hook 4 is provided on the seed pressing wheel assembly hook mounting hole 18. A seed pressing wheel bushing 9 and two self-lubricating rolled bearings 8 are sleeved inside the seed pressing wheel sleeve 16 in the seed pressing wheel assembly 1. The two self-lubricating rolled bearings 8 play the roles of wear resistance and smooth sliding. In order to enable the seed pressing wheel 11 to effectively press seeds during operation, one end of a seed pressing wheel tension spring 39 is hung on the seed pressing wheel tension spring hanging pin 10, and the other end is hung on the equal-length stud of the cast V-shaped press wheel seat welding 2. In this way, through the tension of the seed pressing wheel tension spring 39, the seed pressing wheel assembly can exert a greater pressure on the ground, and the seeds can be pressed more firmly. Moreover, there is a seed pressing wheel limiting plate 17 on the cast V-shaped press wheel seat welding 2, which can effectively prevent the seed pressing wheel assembly 1 from being pulled by the tension of the seed pressing wheel tension spring 39 to an excessive angle.

[0022] The casting V-shaped press wheel seat weldment 2 is provided with a lower orifice fertilizer pipe assembly fixing through hole 22 and a press wheel limit plate fixing through hole 23. By means of bolt fastening, the lower orifice fertilizer pipe assembly 5 and the press wheel limit plate 3 can be respectively installed and fixed on the lower orifice fertilizer pipe assembly fixing through hole 22 and the press wheel limit plate fixing through hole 23.

[0023] There is a fertilizer pipe orifice 43 with a diameter of 40 mm on the casting V-shaped press wheel seat weldment 2, and the soft fertilizer pipe can pass through the fertilizer pipe orifice 43 to be connected with the lower orifice fertilizer pipe assembly 5.

[0024] The installation method of the press wheel assembly 6 and the casting V-shaped press wheel seat weldment 2 is as follows: two profiling four-bar bushings 29 are respectively sleeved in two bushing holes 28 at both ends of the V-shaped press wheel body 27 of the V-shaped press wheel main body, and two V-shaped press wheel bushings 30 are respectively sleeved in the two profiling four-bar bushings 29. By respectively passing two bolts through the two V-shaped press wheel bushings 30 and screwing them into the threaded holes 21 at both ends of the V-shaped press wheel fixed shaft 20 at both ends of the V-shaped press wheel fixed shaft for connection and fastening, the profiling four-bar bushings 29 can achieve the effects of wear resistance and smooth sliding, so as to achieve the effects of press profiling and seed moisture preservation.

[0025] In addition, one end of the press wheel spring 38 is hung on the bolt on the press wheel spring installation through hole 24, and the other end is hung on the press wheel spring installation hole 35 of the press wheel adjusting handle 34. The V-shaped press wheel main body 27 has three gears. By adjusting the press wheel adjusting handle 34 in the three gears of the V-shaped press wheel main body 27, the telescopic amount of the press wheel spring 38 can be indirectly stretched, so that the pressure of the press wheel assembly 6 on the ground can be adjusted. In this way, users can select different gears according to the viscosity and hardness of different soils, so as to achieve a better moisture preservation effect.

Claims

1. A structure for casting a single-body seed pressing wheel for sowing and a V-shaped pressing wheel, comprising a seed pressing wheel assembly and a pressing wheel assembly, characterized in that: A cast V-shaped pressing wheel seat weld is arranged between the described seed pressing wheel assembly and the pressing wheel assembly. The cast V-shaped pressing wheel seat weld is composed of two vertical plates and a connecting plate arranged between the two vertical plates. Each vertical plate is provided with a seed pressing wheel assembly hole, a seed pressing wheel tension spring hanging pin hole, a seed pressing wheel assembly hook installation hole, an equal-length stud installation position, and a lower fertilizer pipe assembly fixing through hole, a pressing wheel limit plate fixing through hole, and a pressing wheel spring installation through hole arranged in sequence from top to bottom. A seed pressing wheel limit plate and a V-shaped pressing wheel fixing shaft sleeve are arranged between the two vertical plates. A fertilizer pipe port is arranged on the connecting plate. A seed pressing wheel sleeve in the seed pressing wheel assembly is provided between the matching holes; a seed pressing wheel tension spring hanging pin in the seed pressing wheel assembly is provided between the seed pressing wheel tension spring hanging pin holes, equal-length studs are provided between the equal-length stud installation positions, and a seed pressing wheel tensioning spring is provided between the two ends of the seed pressing wheel tension spring hanging pin and the two ends of the corresponding equal-length studs respectively; a seed pressing wheel assembly hook is provided on the seed pressing wheel assembly hook installation hole; a pressing wheel assembly is provided on the V-shaped pressing wheel fixed shaft; a pressing wheel limiting plate is provided between the fixing through holes of the pressing wheel limiting plate; a lower fertilizer pipe assembly is provided between the fertilizer pipe opening and the lower fertilizer pipe assembly fixing through holes.

2. The structure for casting a single-body seed pressing wheel and a V-shaped pressing wheel according to claim 1, characterized in that: The seed pressing wheel assembly includes a seed pressing wheel support arm weld, a self-lubricating rolled bearing, a seed pressing wheel sleeve, a seed pressing wheel tension spring hanging pin, a seed pressing wheel, an O-ring, a bearing, a hole retaining ring, a seed pressing wheel bearing cover, and a seed pressing wheel sleeve. The seed pressing wheel support arm weld is provided with a seed pressing wheel sleeve, the self-lubricating rolled bearing sleeve is arranged on the seed pressing wheel sleeve, the self-lubricating rolled bearing sleeve is arranged in the seed pressing wheel sleeve, the seed pressing wheel sleeve is respectively provided with bolts and nuts on the outside of the seed pressing wheel assembly hole, the seed pressing wheel outer circumferential surface is provided with a groove, the inner ring of the seed pressing wheel is provided with a bearing mounting hole, the O-ring sleeve is arranged in the groove on the outer circumferential surface of the seed pressing wheel, the bearing sleeve is arranged in the bearing mounting hole, the bearing is fixed by a hole retaining ring, and the seed pressing wheel bearing cover is pressed on the inner rings at both ends of the bearing, and bolts and nuts are arranged between the seed pressing wheel support arm weld and the hole through the bearing.

3. The structure for casting a single-body seed pressing wheel and a V-shaped pressing wheel according to claim 1, characterized in that: The described pressure wheel assembly comprises a V-shaped pressure wheel body, bushing holes are respectively provided at both ends of the V-shaped pressure wheel body, two contoured four-rod bushings are respectively sleeved in the bushing holes at both ends of the V-shaped pressure wheel body, two V-shaped pressure wheel bushings are respectively sleeved in two contoured four-rod bushings, bolts are respectively provided between the two V-shaped pressure wheel bushings and the threaded holes provided at both ends of the corresponding V-shaped pressure wheel fixed shaft, a through hole provided in the middle part of the V-shaped pressure wheel body is used to weld the pressure frame and the V-shaped pressure wheel sub-assembly to be fixed, the V-shaped pressure wheel sub-assembly is matched and arranged on the pressure frame welding, the pressure wheel adjusting handle is fastened to the V-shaped pressure wheel body by bolts, and the pressure wheel adjusting handle is provided with a pressure wheel spring mounting hole, Mud suppression scrapers are fixed on two V-shaped suppressing wheel body through holes on both sides of the V-shaped suppressing wheel body. One end of the suppressing wheel spring is hung on the bolt in the suppressing wheel spring mounting through hole welded on the cast V-shaped suppressing wheel seat, and the other end is hung on the suppressing wheel spring mounting hole. The V-shaped suppressing wheel body is provided with three gears, and the suppressing wheel adjustment handle is located at the three gear positions of the V-shaped suppressing wheel body.

4. The structure for casting a single-body seed pressing wheel and a V-shaped pressing wheel according to claim 1, characterized in that: The lower fertilizer pipe assembly is composed of a lower fertilizer pipe located below the fertilizer pipe opening, a fertilizer fixing pipe fixed on the lower fertilizer pipe, and bolts and nuts connecting the two ends of the fertilizer fixing pipe to the lower fertilizer pipe assembly fixing through holes.

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