Device for accurately adjusting depth of seeds after sowing

Abstract

The utility model discloses a device for accurately adjusting the depth of seeds after sowing, which comprises a connecting component, a soil covering adjusting component and a shaper, and the soil covering adjusting component is one or two of a furrow opener and a soil covering device; the covering device comprises an adjusting rod, and a covering structure is arranged at the bottom of the adjusting rod; each of the furrow opener and the shaping device comprises a mounting rod, and the furrow opener further comprises a furrow opening structure arranged at the bottom of the mounting rod; the shaping device further comprises a forming structure arranged at the bottom of the mounting rod; the connecting assembly is mounted behind the seeding machine, a connecting part is arranged on the connecting assembly, and the mounting rod and the adjusting rod are detachably mounted on the connecting assembly through the connecting part; the furrow opener and the covering device are arranged between the shaping device and the seeding machine. After the seeding machine is used for seeding, a proper appliance combination can be selected according to seeding requirements, so that the thickness of covering soil on the upper layer of seeds is accurately controlled, the emergence rate of the seeds is ensured, and the yield is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a device for accurately adjusting the depth of seeds after sowing. Background Art

[0002] At present, the seeders on the market basically use depth-limiting wheels and soil-covering wheels to control the depth of seeds. With the continuous improvement of planting technology, in order to increase the yield of crops, there are also clear requirements for the sowing process. For example, some crops need deep sowing to achieve high yields, while some crops need shallow sowing. The depth error of the soil covering the upper layer of seeds after sowing is required to be no more than 1-2mm. However, the existing seeders cannot achieve the above precise requirements for sowing depth, which will directly affect the emergence rate of seeds and thus affect the yield of crops.

[0003] Therefore, there is an urgent need to provide a device for accurately adjusting the depth of seeds after sowing to solve the technical problem that the soil covering the upper layer of seeds cannot be accurately controlled in the prior art. Utility Model Content

[0004] The utility model aims to provide a device for accurately adjusting the depth of seeds after sowing, so as to solve the problems existing in the above-mentioned prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides a device for accurately adjusting the depth of seeds after sowing, comprising a connecting assembly, a soil covering adjustment assembly and a shaper, wherein the soil covering adjustment assembly is one or both of a furrow opener and a soil covering assembly; the soil covering assembly comprises an adjusting rod, and a soil covering structure is arranged at the bottom of the adjusting rod, and the soil covering structure is used to cover the seeds after sowing; the furrow opener and the shaper both comprise a mounting rod, and the furrow opener also comprises a furrowing structure arranged at the bottom of the mounting rod, and the furrowing structure is used to re-ditch the soil covering above the seeds after sowing; the shaper also comprises a molding structure arranged at the bottom of the mounting rod, and the molding structure is used to control the thickness and compaction degree of the soil covering above the seeds; the connecting assembly is installed at the rear of the seeder, and a connecting portion is arranged on the connecting assembly, and the mounting rod and the adjusting rod are both detachably mounted on the connecting assembly through the connecting portion; the furrow opener and the soil covering assembly are both arranged between the shaper and the seeder.

[0006] Preferably, the trenching structure includes a trenching plowshare, which is fixedly connected to the bottom end of the mounting rod, and width control baffles are fixedly connected to both sides of the rear end of the trenching plowshare, and a bottom plate is fixedly connected to the bottom of the width control baffle, and the bottom end of the bottom plate is flush with the bottom end of the trenching plowshare.

[0007] Preferably, the trenching structure includes a positioning cylinder, which is fixedly connected to the bottom end of the mounting rod and is coaxially arranged with the mounting rod; a roller is provided on the outer limiting sliding sleeve of the positioning cylinder, and the bottom end of the roller is a hemispherical structure.

[0008] Preferably, the molding structure includes two molding baffles, both of which are fixedly connected to the bottom end of the mounting rod, both of which are arc-shaped structures, and an angle is set between the two molding baffles.

[0009] Preferably, the molding structure includes two molding baffles, both of which are fixedly connected to the bottom end of the mounting rod, and an angle is set between the two molding baffles; the height of the molding baffle close to one end of the mounting rod is smaller than the height of the other end of the molding baffle, and a compaction plate is fixedly connected between the bottom ends of the two molding baffles.

[0010] Preferably, the forming structure includes a connecting block, which is fixedly connected to the bottom end of the mounting rod, and the connecting block is a wedge-shaped structure; forming baffles are hinged on both sides of the tail end of the connecting block, and adjustment plates are fixedly connected on opposite sides of the two forming baffles, and a waist-shaped long hole is opened on the adjustment plate, and an adjusting screw is passed through the waist-shaped long hole, and two nuts are threadedly connected on the adjusting screw, and the two adjusting plates are located between the two nuts, and the adjusting plate is fixedly connected to the adjusting screw through the nuts; a compacting plate is hinged on the bottom of the tail end of the connecting block, and the bottom end of the adjusting screw is hinged to the top end of the compacting plate.

[0011] Preferably, a rubber pad is detachably mounted on one end of the compacting plate away from the mounting rod, and the end of the rubber pad away from the mounting rod has a serrated structure.

[0012] Preferably, the soil covering structure includes two mounting screws, which are symmetrically fixed on both sides of the bottom of the adjusting rod, and soil-collecting baffles are detachably mounted on the two mounting screws. A gap is provided between the two soil-collecting baffles, and an angle is provided between the two soil-collecting baffles.

[0013] Preferably, a screw sleeve is fixedly installed on the soil gathering baffle, and the soil gathering baffle is threadedly connected to the installation screw through the screw sleeve.

[0014] Preferably, a pressing wheel is provided on a side of the shaper away from the seeder, and the pressing wheel is hinged to the connecting portion of the connecting assembly.

[0015] Compared with the prior art, the utility model has the following advantages and technical effects:

[0016] The device for accurately adjusting the depth of seeds after sowing provided by the utility model can select a suitable combination of tools according to sowing needs after sowing by a seeder, thereby accurately controlling the thickness of the soil covering the seeds, ensuring the germination rate of the seeds, and further increasing the yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of the furrow opener of the utility model;

[0019] Figure 2 It is a structural schematic diagram of another furrow opener of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the shaping device of the utility model;

[0021] Figure 4 This is a structural schematic diagram of another type of shaping device of the utility model;

[0022] Figure 5 This is a structural schematic diagram of another type of shaping device of the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the soil covering device of the utility model;

[0024] Figure 7 This is a schematic structural diagram of another soil covering device of the utility model;

[0025] Figure 8 It is a schematic diagram of the connection between the pressing wheel and the connecting part of the utility model;

[0026] Fig. 9 This is a working state diagram when no furrow opener is arranged behind the soil cover in the first embodiment of the utility model;

[0027] Fig.10 This is a working state diagram when a furrow opener is arranged behind the soil cover in the first embodiment of the utility model;

[0028] Fig.11 This is a working state diagram when no soil cover is provided behind the furrow opener in the second embodiment of the utility model;

[0029] In the figure: 10, connecting cross beam; 11, connecting vertical beam; 12, mounting position; 13, mounting rod; 14, adjusting rod; 20, furrow opener; 21, furrowing plowshare; 22, width control baffle; 23, bottom plate; 24, positioning cylinder; 25, roller; 30, shaper; 31, forming baffle; 32, compacting plate; 33, connecting block; 34, adjusting plate; 35, adjusting screw; 36, nut; 37, rubber pad; 40, soil cover; 41, mounting screw; 42, soil baffle; 50, pressing wheel; 51, damping shaft; 60, seeder. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features of the embodiments can be combined with each other. The described embodiments are only a part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] The utility model provides a device for accurately adjusting the depth of seeds after sowing, comprising a connecting assembly, a soil covering adjustment assembly and a shaper 30, wherein the soil covering adjustment assembly is one or both of a furrow opener 20 and a soil covering device 40; the soil covering device 40 comprises an adjusting rod 14, a soil covering structure is arranged at the bottom of the adjusting rod 14, and the soil covering structure is used to cover the seeds after sowing; the furrow opener 20 and the shaper 30 both comprise a mounting rod 13, the furrow opener 20 further comprises a furrowing structure arranged at the bottom of the mounting rod 13, and the furrowing structure is used to re-ditch the covering soil above the seeds after sowing; the shaper 30 further comprises a molding structure arranged at the bottom of the mounting rod 13, and the molding structure is used to control the thickness and compaction degree of the covering soil above the seeds; the connecting assembly is installed at the rear of a seeder 60, a connecting portion is arranged on the connecting assembly, and the mounting rod 13 and the adjusting rod 14 are both detachably mounted on the connecting assembly through the connecting portion; the furrow opener 20 and the soil covering device 40 are both arranged between the shaper 30 and the seeder 60.

[0032] The furrow opener 20 of the present invention may be one of the following two furrow openers 20, including but not limited to:

[0033] The first type of furrow opener 20, such as Figure 1 As shown, the trenching structure includes a trenching plowshare 21, which is fixedly connected to the bottom end of the mounting rod 13, and width control baffles 22 are fixedly connected to both sides of the rear end of the trenching plowshare 21, and a bottom plate 23 is fixedly connected to the bottom of the width control baffle 22, and the bottom end of the bottom plate 23 is flush with the bottom end of the trenching plowshare 21.

[0034] The second type of furrow opener 20, such as Figure 2As shown, the trenching structure includes a positioning cylinder 24, which is fixedly connected to the bottom end of the mounting rod 13, and the positioning cylinder 24 is coaxially arranged with the mounting rod 13; the outer limiting sliding sleeve of the positioning cylinder 24 is provided with a roller 25, and the bottom end of the roller 25 is a hemispherical structure.

[0035] The shaper 30 in the present invention can be one of the following three shapers 30, including but not limited to:

[0036] The first type of shaping device 30, such as Figure 3 As shown, the molding structure includes two molding baffles 31 , and the two molding baffles 31 are fixedly connected to the bottom end of the mounting rod 13 . The two molding baffles 31 are both arc-shaped structures, and an angle is set between the two molding baffles 31 .

[0037] The second type of shaping device 30, such as Figure 4 As shown, the molding structure includes two molding baffles 31, and the two molding baffles 31 are fixedly connected to the bottom end of the mounting rod 13, and an angle is set between the two molding baffles 31; the height of the molding baffle 31 close to one end of the mounting rod 13 is less than the height of the other end of the molding baffle 31, and a compacting plate 32 is fixedly connected between the bottom ends of the two molding baffles 31.

[0038] The third type of shaping device 30, such as Figure 5 As shown, the forming structure includes a connecting block 33, which is fixedly connected to the bottom end of the mounting rod 13, and the connecting block 33 is a wedge-shaped structure; both sides of the tail end of the connecting block 33 are hinged with forming baffles 31, and the opposite sides of the two forming baffles 31 are fixedly connected with adjustment plates 34, and a waist-shaped long hole is opened on the adjustment plate 34, and an adjustment screw 35 is passed through the waist-shaped long hole, and two nuts 36 are threadedly connected to the adjustment screw 35, and the two adjustment plates 34 are located between the two nuts 36, and the adjustment plate 34 is connected and fixed to the adjustment screw 35 through the nut 36; a compacting plate 32 is hinged at the bottom of the tail end of the connecting block 33, and the bottom end of the adjusting screw 35 is hinged to the top of the compacting plate 32.

[0039] A further optimized solution is to prevent the soil from being compacted, a rubber pad 37 is detachably installed on the end of the compaction plate 32 away from the mounting rod 13. The end of the rubber pad 37 away from the mounting rod 13 has a serrated structure. The rubber pad 37 can be used to roughen the soil, thereby preventing the soil from becoming compacted.

[0040] Further optimization scheme, such as Figure 6 and Figure 7As shown, according to the needs of the seeds to be sown, in order to facilitate covering the seeds with soil, the covering structure includes two mounting screws 41, and the two mounting screws 41 are symmetrically fixed on both sides of the bottom of the adjusting rod 14. The two mounting screws 41 are both detachably mounted with soil-collecting baffles 42, a gap is set between the two soil-collecting baffles 42, and an angle is set between the two soil-collecting baffles 42.

[0041] Further optimization scheme, such as Figure 8 As shown, according to the needs of the seeds to be sown, when the soil covering the seeds needs to be compacted, a pressing wheel 50 is provided on the side of the shaper 30 away from the seeder 60, and the pressing wheel 50 is hinged on the connecting part of the connecting assembly.

[0042] The connection between the pressing wheel 50 and the connecting part is carried out by using a damping shaft 51 , and the compaction degree of the pressing wheel 50 can be controlled by using the damping shaft 51 .

[0043] Embodiment 1

[0044] like Fig. 9 and Fig.10 As shown, when the seeds to be sown need to be sown shallowly, the connecting component adopts a connecting cross beam 10, and the connecting part adopts a connecting vertical beam 11 with a threaded rod on the top. By opening a plurality of threaded holes at the bottom end of the connecting cross beam 10, the plurality of connecting vertical beams 11 are installed in the corresponding threaded holes in sequence, and a mounting position 12 with a locking bolt is provided at the bottom of the connecting vertical beam 11, and the soil cover 40 and the shaper 30 are installed on the connecting vertical beam 11 in sequence through the mounting position 12. At the same time, the furrow opener 20 is selected and set according to the needs of sowing crops. When setting the furrow opener 20, the furrow opener 20 is set between the soil cover 40 and the shaper 30, and the heights of the soil cover 40, the shaper 30 and the furrow opener 20 are adjusted and fixed by the locking bolts. The soil cover 40, the furrow opener 20 and the shaper 30 can be selected accordingly according to the sowing requirements of seeds.

[0045] The specific working process is as follows:

[0046] After the seeder 60 has dug furrows in the soil and sowed seeds, the seeding machine 60 uses the soil coverer 40 installed on the connecting crossbeam 10 to cover the seeds with soil, and then uses the shaper 30 to dig furrows and shape the soil above the seeds. During the shaping process, the shaper 30 can remove and smooth the excess soil above the seeds; when the furrow opener 20 is set, after the soil coverer 40 has covered the seeds with soil, the furrow opener 20 is used to dig furrows on the soil above the seeds again, and the furrow opener 20 is used to control the burial depth of the seeds, and then the shaper 30 is used to dig furrows and shape the soil above the seeds. By controlling the height difference between the soil coverer 40 and the shaper 30, the thickness of the soil above the seeds is made more consistent. At the same time, the forming baffle 31 of the shaper 30 can be used to compact the soil on both sides of the seeds to prevent the natural collapse of the soil and affect the thickness of the soil covering the seeds.

[0047] When selecting the shaper 30, it can be selected according to whether the seeds need to be compacted. The shaper 30 with a compaction plate 32 at the bottom can shape the upper layer of soil covering the seeds while performing a certain degree of compaction. Conversely, the shaper 30 without a compaction plate 32 at the bottom has no compaction effect.

[0048] When the compaction effect of the shaper 30 cannot meet the sowing demand, a pressing wheel 50 is provided on the side of the shaper 30 away from the seeder 60, and the covering soil is compacted again by the pressing wheel 50.

[0049] Embodiment 2

[0050] like Fig.11 As shown, when the seeds to be sown need to be sown deeply, the connecting component adopts a connecting cross beam 10, and the connecting part adopts a connecting vertical beam 11 with a threaded rod on the top. By opening a plurality of threaded holes at the bottom end of the connecting cross beam 10, a plurality of connecting vertical beams 11 are installed in sequence into the corresponding threaded holes, and a mounting position 12 with a locking bolt is provided at the bottom of the connecting vertical beam 11. The furrow opener 20 and the shaper 30 are installed on the connecting vertical beam 11 through the mounting position 12 in sequence, and the height of the furrow opener 20 and the shaper 30 are adjusted and fixed by the locking bolt. The furrow opener 20 and the shaper 30 can be selected accordingly according to the sowing requirements of the seeds.

[0051] The specific working process is as follows:

[0052] After the seeder 60 digs furrows in the soil and sows seeds, due to the deep sowing depth, the seeds can be covered with soil by utilizing the naturally collapsed soil, and then the soil above the seeds is furrowed again by utilizing the furrow opener 20 installed on the connecting beam 10. The furrow opener 20 is used to control the burial depth of the seeds, and then the soil above the seeds is furrowed and shaped by the shaper 30. During the shaping process, the shaper 30 can remove and smooth the excess soil above the seeds, thereby controlling the burial depth of the seeds. By controlling the distance between the furrow opener 20 and the shaper 30, the thickness of the soil above the seeds can be made more consistent. At the same time, the forming baffle 31 of the shaper 30 can be used to compact the soil on both sides of the seeds to prevent the natural collapse of the soil and affect the thickness of the soil covering the seeds.

[0053] When selecting the shaper 30, it can be selected according to whether the seeds need to be compacted. The shaper 30 with a compaction plate 32 at the bottom can shape the upper layer of soil covering the seeds while performing a certain degree of compaction. Conversely, the shaper 30 without a compaction plate 32 at the bottom has no compaction effect.

[0054] When the compaction effect of the shaper 30 cannot meet the sowing demand, a pressing wheel 50 is provided on the side of the shaper 30 away from the seeder 60, and the covering soil is compacted again by the pressing wheel 50.

[0055] The above are only preferred specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed in the present application should be covered within the protection scope of the present application.

Claims

1. A device for accurately adjusting the depth of seeds after sowing, characterized in that: The invention comprises a connecting component, a soil covering adjustment component and a shaping device (30), wherein the soil covering adjustment component is one or both of a furrow opener (20) and a soil covering device (40); the soil covering device (40) comprises an adjustment rod (14), a soil covering structure is arranged at the bottom of the adjustment rod (14), and the soil covering structure is used to cover the seeds after sowing; the furrow opener (20) and the shaping device (30) both comprise a mounting rod (13), and the furrow opener (20) further comprises a furrowing structure arranged at the bottom of the mounting rod (13), and the furrowing structure is used to cover the seeds after sowing. The cover soil above the seeds is removed and the furrows are re-ditched; the shaper (30) further comprises a forming structure arranged at the bottom of the mounting rod (13), the forming structure being used to control the thickness and compaction degree of the cover soil above the seeds; the connecting assembly is installed at the rear of the seeder (60), the connecting assembly is provided with a connecting portion, the mounting rod (13) and the adjusting rod (14) are both detachably mounted on the connecting assembly via the connecting portion; the furrow opener (20) and the soil coverer (40) are both arranged between the shaper (30) and the seeder (60).

2. The device for accurately adjusting the depth of seeds after sowing according to claim 1, characterized in that: The trenching structure comprises a trenching plowshare (21), wherein the trenching plowshare (21) is fixedly connected to the bottom end of the mounting rod (13), and width control baffles (22) are fixedly connected to both sides of the rear end of the trenching plowshare (21), and a bottom plate (23) is fixedly connected to the bottom of the width control baffle (22), and the bottom end of the bottom plate (23) is flush with the bottom end of the trenching plowshare (21).

3. The device for accurately adjusting the depth of seeds after sowing according to claim 1, characterized in that: The trenching structure comprises a positioning cylinder (24), the positioning cylinder (24) is fixedly connected to the bottom end of the mounting rod (13), and the positioning cylinder (24) and the mounting rod (13) are coaxially arranged; the outer limiting sliding sleeve of the positioning cylinder (24) is provided with a roller (25), and the bottom end of the roller (25) is a hemispherical structure.

4. The device for accurately adjusting the depth of seeds after sowing according to claim 1, characterized in that: The molding structure comprises two molding baffles (31), the two molding baffles (31) are fixedly connected to the bottom end of the mounting rod (13), the two molding baffles (31) are both arc-shaped structures, and an angle is set between the two molding baffles (31).

5. The device for accurately adjusting the depth of seeds after sowing according to claim 1, characterized in that: The molding structure comprises two molding baffles (31), the two molding baffles (31) are fixedly connected to the bottom end of the mounting rod (13), and an angle is provided between the two molding baffles (31); the height of one end of the molding baffle (31) close to the mounting rod (13) is smaller than the height of the other end of the molding baffle (31), and a compacting plate (32) is fixedly connected between the bottom ends of the two molding baffles (31).

6. The device for accurately adjusting the depth of seeds after sowing according to claim 1, characterized in that: The forming structure comprises a connecting block (33), wherein the connecting block (33) is fixedly connected to the bottom end of the mounting rod (13), and the connecting block (33) is a wedge-shaped structure; both sides of the tail end of the connecting block (33) are hingedly connected with forming baffles (31), and the opposite sides of the two forming baffles (31) are fixedly connected with adjusting plates (34), and the adjusting plates (34) are provided with waist-shaped long holes, and an adjusting screw (35) is inserted into the waist-shaped long holes, and two nuts (36) are threadedly connected to the adjusting screw (35), and the two adjusting plates (34) are located between the two nuts (36), and the adjusting plate (34) is connected and fixed to the adjusting screw (35) through the nuts (36); the bottom of the tail end of the connecting block (33) is hingedly connected with a compacting plate (32), and the bottom end of the adjusting screw (35) is hingedly connected to the top end of the compacting plate (32).

7. The device for accurately adjusting the depth of seeds after sowing according to claim 6, characterized in that: A rubber pad (37) is detachably mounted on one end of the compacting plate (32) away from the mounting rod (13); the end of the rubber pad (37) away from the mounting rod (13) is in a sawtooth structure.

8. The device for accurately adjusting the depth of seeds after sowing according to claim 1, characterized in that: The soil covering structure comprises two mounting screws (41), the two mounting screws (41) are symmetrically fixed on both sides of the bottom of the adjusting rod (14), and soil collecting baffles (42) are detachably mounted on the two mounting screws (41), a gap is provided between the two soil collecting baffles (42), and an angle is provided between the two soil collecting baffles (42).

9. The device for accurately adjusting the depth of seeds after sowing according to claim 8, characterized in that: A screw sleeve is fixedly mounted on the soil-collecting baffle (42), and the soil-collecting baffle (42) is threadedly connected to the mounting screw rod (41) via the screw sleeve.

10. The device for accurately adjusting the depth of seeds after sowing according to claim 1, characterized in that: A pressing wheel (50) is provided on the side of the shaper (30) away from the seeder (60), and the pressing wheel (50) is hinged on the connecting part of the connecting assembly.

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