Grassland original-state covering sowing single body

Abstract

The utility model discloses a grassland original-state covering sowing single body, and relates to the technical field of agricultural machinery. The utility model aims to solve the problems that a grass seed sowing machine in the prior art is non-uniform in ditching depth, part of reseeding seeds are left on the earth surface and cannot germinate, and a furrow opener is of a V-shaped ditching structure and is poor in soil moisture preservation capacity. The seeder comprises a profiling mechanism, a soil loosening mechanism, a seeding and ditching mechanism and a soil covering and pressing mechanism, the soil loosening mechanism is installed at the front end of a single body frame of the sowing and ditching mechanism, the soil covering and pressing mechanism is installed at the rear end of the single body frame, and the profiling mechanism is movably connected with the single body frame and arranged above the soil loosening mechanism. The pasture seed sowing machine is used for pasture seed sowing.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, specifically to a single seeding unit for grassland cover-up. Background Technology

[0002] Currently, degraded pastureland has high soil compaction, resulting in a reduction or even disappearance of high-quality forage grasses. The asexual reproduction of forage grasses or the vegetation regeneration process driven by the soil seed bank is hindered, and natural restoration may take more than a century to achieve soil fertility recovery and increased productivity. The basic approach to promoting the restoration of degraded pastureland is to adopt agronomical measures to loosen the soil, improve soil fertility, and reintroduce high-quality forage grasses to degraded grasslands to increase their proportion.

[0003] Reseeding existing grasslands with grass seeds is the most effective way to solve the above problems. Currently, there is a lack of grass seeding machinery specifically designed for improving degraded grasslands. Existing grass seeding machinery has the following technical problems: uneven ground surface, uneven furrow depth, some reseeded seeds remaining on the surface and unable to germinate, and the furrow opener unit has a V-shaped furrow structure, resulting in poor moisture retention. Utility Model Content

[0004] The purpose of this invention is to solve the problems in the existing technology of grass seed sowing machinery, such as uneven furrow depth, some reseeded seeds remaining on the ground and unable to germinate, and poor moisture retention capacity due to the V-shaped furrow structure of the furrow opener unit. Therefore, this invention provides a grassland original cover sowing unit.

[0005] The technical solution adopted by this utility model to solve the above problems is: a grassland original mulching sowing unit, including a contouring mechanism, a soil loosening mechanism, a sowing and furrowing mechanism and a soil covering and pressing mechanism; the soil loosening mechanism is installed at the front end of the unit frame of the sowing and furrowing mechanism, the soil covering and pressing mechanism is installed at the rear end of the unit frame, the contouring mechanism is movably connected to the unit frame, and the contouring mechanism is arranged above the soil loosening mechanism.

[0006] Furthermore, the contouring mechanism includes a U-bolt, a front mounting plate, two upper four-bar linkages, two lower four-bar linkages, a tension spring, and a tension spring pin. One end of each upper four-bar linkage is hinged to the front mounting plate, and the other end is hinged to the single frame. One end of each lower four-bar linkage is hinged to the front mounting plate, and the other end is hinged to the single frame. A tension spring pin connects the two upper four-bar linkages and the two lower four-bar linkages. One end of the tension spring is mounted on the tension spring pin between the upper four-bar linkages, and the other end is mounted on the tension spring pin between the lower four-bar linkages. The U-bolt is mounted on the front mounting plate.

[0007] Furthermore, the soil loosening mechanism includes a connecting frame and a soil loosening and trenching disc; the upper end of the connecting frame is installed on the side of the single frame, and the soil loosening and trenching disc is rotatably connected to the lower part of the connecting frame.

[0008] Furthermore, the sowing and furrowing mechanism includes a single frame, a fertilizer box and fertilizer applicator unit, a counterweight box, a depth limiting mechanism, and a furrow opener unit; the fertilizer box and fertilizer applicator unit is installed on the top of the single frame, the counterweight box is installed on the rear side of the single frame, the depth limiting mechanism is located on the left and right sides of the bottom of the single frame, the furrow opener unit is located in the middle of the depth limiting mechanism, and a seed guide tube is arranged between the furrow opener units.

[0009] Furthermore, the single frame is a cast single frame, and the counterweight box is equipped with a counterweight block.

[0010] Furthermore, the fertilizer box discharge unit is equipped with an electric fertilizer discharger and a fertilizer pipe.

[0011] Furthermore, the furrow opener unit includes a furrow opener unit connector, a seed inlet, a fertilizer inlet, a soil separating plate, and a furrow opener; the furrow opener unit connector is installed on the frame, two soil separating plates are symmetrically installed on the upper front end of the furrow opener unit connector, and a furrow opener is installed on the lower front end; the rear end of the furrow opener unit connector is provided with a seed inlet and a fertilizer inlet, the bottom outlet ends of the seed inlet and the fertilizer inlet converge together and are connected to the seed guide tube, and the soil inlet part of the furrow opener has an inverted T-shaped structure.

[0012] Furthermore, the soil compaction mechanism includes a compaction connecting seat, two arm plates, an adjusting rod, and a compaction wheel; the compaction connecting seat is connected to the rear end of the single frame, the arm plates are rotatably connected to the compaction connecting seat, the compaction wheel is rotatably connected to the lower part of the two arm plates, one end of the adjusting rod is hinged to the two arm plates by a pin, and the other end is locked to the compaction connecting seat by a screw.

[0013] Furthermore, the pressing connection seat is provided with a through hole, the adjusting rod passes through the through hole, the cross-sectional area of ​​the through hole is larger than the cross-sectional area of ​​the adjusting rod, and the end of the adjusting rod is provided with a thread for connecting a screw.

[0014] This utility model has the following beneficial technical effects:

[0015] This utility model is a key technology for promoting the growth and conservation of forage seeds, a special working component for efficient drag reduction and deep loosening of compacted grassland soil, a special working component for narrow-tooth biomimetic root cutting of soil-root composite structure in mowed grassland, a tillage depth control, a T-shaped water storage and moisture retention ditching mechanism for breaking up stubble in high-firm soil, and an adaptive grounding contour compaction mechanism, forming a system for constructing a microenvironment for promoting the growth and conservation of forage and for seed reseeding and germination.

[0016] This invention employs a low-disturbance, high-speed, drag-reducing inverted T-shaped furrow opener mechanism, which reduces soil disturbance, minimizes seed discharge blockage, and improves moisture retention, providing machinery support for improving pastureland. This invention integrates deep furrowing and shallow covering technology, creating a topsoil layer that is loose and the bottom layer firm, and an inverted T-shaped seedbed that increases temperature and retains moisture. It solves the problems of difficult germination and shallow rooting of reseeded forage grasses caused by dry and compacted soil. The seed guide tube is welded with multiple channels, enabling mixed sowing of multiple grass species. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 yes Figure 1 The main view;

[0019] Figure 3 yes Figure 1 The left view;

[0020] Figure 4 This is a schematic diagram of the contouring mechanism;

[0021] Figure 5 yes Figure 4 The main view;

[0022] Figure 6 yes Figure 4 Top view;

[0023] Figure 7 yes Figure 4 The left view;

[0024] Figure 8 yes Figure 5 AA section view;

[0025] Figure 9 This is a schematic diagram of the soil loosening mechanism;

[0026] Figure 10 yes Figure 9 The main view;

[0027] Figure 11 yes Figure 9 Top view;

[0028] Figure 12 yes Figure 9 The left view;

[0029] Figure 13 This is a schematic diagram of the sowing and furrowing mechanism;

[0030] Figure 14 yes Figure 13 The main view;

[0031] Figure 15 yes Figure 13 The left view;

[0032] Figure 16 yes Figure 13 Rear view;

[0033] Figure 17 This is a schematic diagram of the soil covering and compaction mechanism;

[0034] Figure 18 yes Figure 17 The main view;

[0035] Figure 19 yes Figure 17 The left view;

[0036] Figure 20 This is a three-dimensional structural diagram of the trencher unit. Figure 1 ;

[0037] Figure 21 This is a three-dimensional structural diagram of the trencher unit. Figure 2 ;

[0038] Figure 22 yes Figure 20 The main view;

[0039] Figure 23 yes Figure 20 The left view;

[0040] In the diagram: 1. Contouring mechanism; 101. U-bolt; 102. Front mounting plate; 103. Upper four-bar linkage; 104. Lower four-bar linkage; 105. Tension spring; 106. Tension spring pin; 2. Soil loosening mechanism; 201. Connecting frame; 202. Soil loosening and furrowing disc; 3. Sowing and furrowing mechanism; 301. Single frame; 302. Fertilizer box and fertilizer dispenser unit; 303. Counterweight box; 304. Depth limiting mechanism; 305. Seed guide tube; 306. Furrow opener unit; 3061. Furrow opener unit connector; 3062. Seed inlet; 3063. Fertilizer inlet; 3064. Soil separating plate; 3065. Furrow opener; 4. Soil covering and compaction mechanism; 401. Compactor connecting seat; 402. Arm plate; 403. Adjusting rod; 404. Compactor wheel. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.

[0042] Specific implementation method one: Combining Figures 1 to 23This embodiment describes a grassland undisturbed sowing unit, which includes a contour-following mechanism 1, a soil-loosening mechanism 2, a sowing and furrowing mechanism 3, and a soil-covering and compacting mechanism 4. The soil-loosening mechanism 2 is installed at the front end of the unit frame 301 of the sowing and furrowing mechanism 3, and the soil-covering and compacting mechanism 4 is installed at the rear end of the unit frame 301. The contour-following mechanism 1 is movably connected to the unit frame 301 and is positioned above the soil-loosening mechanism 2.

[0043] This utility model relates to key technologies for promoting and conserving forage seeds, a specialized working component for efficient drag reduction and deep loosening of compacted grassland soil, a specialized working component for narrow-tooth biomimetic root cutting of mowed grassland soil-root composite structure, a tillage depth control mechanism, a T-shaped water-retaining and moisture-conserving ditching mechanism for breaking up stubble in high-compact soil, and key technologies for adaptive grounding and contour compaction, forming a technical system for constructing a microenvironment for forage seed promotion, conservation, and reseeding germination. The low-disturbance, high-speed drag-reducing T-shaped ditching mechanism reduces soil disturbance, minimizes seed discharge blockage, and improves moisture retention, providing machinery support for improving mowed grasslands.

[0044] Specific Implementation Method Two: Combining Figures 1 to 23 This embodiment describes a contouring mechanism 1 comprising a U-bolt 101, a front mounting plate 102, two upper four-bar linkages 103, two lower four-bar linkages 104, a tension spring 105, and a tension spring pin 106. One end of the upper four-bar linkage 103 is hinged to the front mounting plate 102, and the other end is hinged to the single frame 301. One end of the lower four-bar linkage 104 is hinged to the front mounting plate 102, and the other end is hinged to the single frame 301. A tension spring pin 106 connects the two upper four-bar linkages 103 and the two lower four-bar linkages 104. One end of the tension spring 105 is mounted on the tension spring pin 106 between the upper four-bar linkages 103, and the other end is mounted on the tension spring pin 106 between the lower four-bar linkages 104. The U-bolt 101 is mounted on the front mounting plate 102.

[0045] The contouring mechanism used in this embodiment mainly consists of U-bolts, welded front mounting plates, welded upper and lower four-bar linkages, tension springs, welded four-bar connecting sleeves, tension spring sleeves, and standard connecting parts. The position of the parallel four-bar tension springs can be adjusted according to the conditions of various planting plots to control the contouring of the parallel four-bar linkages and the ground pressure of each individual unit.

[0046] The other components and connections are the same as in Specific Implementation Method 1.

[0047] Specific implementation method three: Combining Figures 1 to 23 This embodiment describes a soil loosening mechanism 2, which includes a connecting frame 201 and a soil loosening and trenching disc 202. The upper end of the connecting frame 201 is mounted on the side of the single frame 301, and the soil loosening and trenching disc 202 is rotatably connected to the lower part of the connecting frame 201.

[0048] The soil loosening mechanism used in this embodiment mainly consists of a connecting frame welded together, a soil loosening and trenching disc assembled, end caps, and standard connecting parts. The side of the single frame 301 is provided with multiple mounting screw holes, allowing adjustment of the soil loosening and trenching disc assembly position as needed to control the disc's depth into the soil, achieving good soil loosening and pre-trenching effects.

[0049] The other components and connections are the same as in Specific Implementation Method 1.

[0050] Specific implementation method four: Combination Figures 1 to 23 This embodiment describes a sowing and furrowing mechanism 3 comprising a single frame 301, a fertilizer box and fertilizer applicator unit 302, a counterweight box 303, a depth limiting mechanism 304, and a furrow opener unit 306. The fertilizer box unit 302 is installed on the top of the single frame 301, the counterweight box 303 is installed on the rear side of the single frame 301, the depth limiting mechanism 304 is located on the left and right sides of the bottom of the single frame 301, the furrow opener unit 306 is located in the middle of the depth limiting mechanism 304, and a seed guide tube 305 is arranged between the furrow opener units 306.

[0051] In a preferred embodiment, the single frame 301 is a cast single frame, and the counterweight box 303 is provided with a counterweight block.

[0052] In a preferred embodiment, the fertilizer box fertilizer dispenser unit 302 is equipped with an electric fertilizer dispenser and a fertilizer pipe. Multiple seeding units are integrated and installed on a seeder, which uses an electric air blower to centrally supply seeds to the seeding units.

[0053] In a preferred embodiment, the furrow opener unit 306 includes a furrow opener unit connector 3061, a seed inlet 3062, a fertilizer inlet 3063, a soil separating plate 3064, and a furrow opener 3065. The furrow opener unit connector 3061 is mounted on the frame 301. Two soil separating plates 3064 are symmetrically installed on the upper front end of the furrow opener unit connector 3061, and the furrow opener 3065 is installed on the lower front end. The rear end of the furrow opener unit connector 3061 is provided with a seed inlet 3062 and a fertilizer inlet 3063. The bottom outlet ends of the seed inlet 3062 and the fertilizer inlet 3063 converge together and are connected to the seed guide tube 305. The soil inlet part of the furrow opener 3065 has an inverted T-shaped structure.

[0054] The sowing and furrowing mechanism used in this embodiment mainly consists of a single-unit seed guide assembly, a fertilizer box and fertilizer applicator assembly, a counterweight box assembly, a depth limiting mechanism, and standard connecting parts. The single-unit seed guide assembly uses a cast heavy-duty unit and counterweight box assembly. The conformal mechanism adjusts the unit's ground pressure while increasing its own weight to achieve good furrowing results in the high-firmness soil of degraded grassland. The seed guide tube's front end uses an inverted T-shaped furrow opener unit, integrating deep furrowing and shallow covering technology to create a loose topsoil and firm bottom tillage layer, and an inverted T-shaped seedbed that increases temperature and retains moisture. This solves the problems of difficult germination and shallow rooting of reseeded forage grasses caused by dry and compacted soil. The seed guide tube has multiple channels, allowing for mixed sowing of multiple grass seeds. The fertilizer box and fertilizer applicator assembly consists of an electrically controlled fertilizer applicator, fertilizer tube, and standard connecting parts. It sows organic fertilizer, and the fertilizer application rate can be adjusted as needed. The left and right depth limiting wheels synchronously conform to the shape, allowing adjustment of the depth limiting wheel position as needed to control the sowing depth consistently, achieving uniform germination. The left and right depth limiting wheels used in this embodiment employ existing technology and can achieve the function of limiting the sowing depth.

[0055] The other components and connections are the same as in Specific Implementation Method 1.

[0056] Specific Implementation Method Five: Combining Figures 1 to 23 This embodiment describes a soil compaction mechanism 4 comprising a compaction connecting seat 401, two arm plates 402, an adjusting rod 403, and a compaction wheel 404. The compaction connecting seat 401 is connected to the rear end of the single frame 301. The arm plates 402 are rotatably connected to the compaction connecting seat 401. The compaction wheel 404 is rotatably connected to the lower part of the two arm plates 402. One end of the adjusting rod 403 is hinged to the two arm plates 402 via a pin, and the other end is locked to the compaction connecting seat 401 via a screw.

[0057] In a preferred embodiment, the pressing connecting seat 401 is provided with a through hole, the adjusting rod 403 passes through the through hole, the cross-sectional area of ​​the through hole is larger than the cross-sectional area of ​​the adjusting rod 403, and the end of the adjusting rod 403 is provided with a thread for connecting a screw.

[0058] The soil compaction mechanism used in this embodiment mainly consists of a welded compaction connecting seat, an arm plate, a welded adjusting rod, an assembled compaction wheel, and standard connecting parts. The compaction pressure can be adjusted according to the soil conditions to compact the soil and ensure close contact with the seeds, so that the seeds can absorb nutrients from the soil.

[0059] The other components and connections are the same as in Specific Implementation Method 1.

[0060] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A single seeding unit for original grassland cover-up, characterized in that: It includes a contouring mechanism (1), a soil loosening mechanism (2), a sowing and ditching mechanism (3), and a soil covering and compacting mechanism (4); the soil loosening mechanism (2) is installed at the front end of the single frame (301) of the sowing and ditching mechanism (3), the soil covering and compacting mechanism (4) is installed at the rear end of the single frame (301), the contouring mechanism (1) is movably connected to the single frame (301), and the contouring mechanism (1) is located above the soil loosening mechanism (2); The contouring mechanism (1) includes a U-bolt (101), a front mounting plate (102), two upper four-bar linkages (103), two lower four-bar linkages (104), a tension spring (105), and a tension spring pin (106). One end of the upper four-bar linkage (103) is hinged to the front mounting plate (102), and the other end is hinged to the single frame (301). One end of the lower four-bar linkage (104) is hinged to the front mounting plate (102), and the other end is hinged to the single frame (301). A tension spring pin (106) is connected between the two upper four-bar linkages (103), and a tension spring pin (106) is connected between the two lower four-bar linkages (104). One end of the tension spring (105) is installed on the tension spring pin (106) between the upper four-bar linkages (103), and the other end is installed on the tension spring pin (106) between the lower four-bar linkages (104). The U-bolt (101) is installed on the front mounting plate (102).

2. The grassland undisturbed sowing unit according to claim 1, characterized in that: The soil loosening mechanism (2) includes a connecting frame (201) and a soil loosening and trenching disc (202); the upper end of the connecting frame (201) is installed on the side of the single frame (301), and the soil loosening and trenching disc (202) is rotatably connected to the lower part of the connecting frame (201).

3. The grassland undisturbed sowing unit according to claim 1, characterized in that: The sowing and furrowing mechanism (3) includes a single frame (301), a fertilizer box and fertilizer dispenser unit (302), a counterweight box (303), a depth limiting mechanism (304), and a furrow opener unit (306). The fertilizer box and fertilizer dispenser unit (302) is installed on the top of the single frame (301), the counterweight box (303) is installed on the rear side of the single frame (301), the depth limiting mechanism (304) is located on the left and right sides of the bottom of the single frame (301), and the furrow opener unit (306) is located in the middle part of the depth limiting mechanism (304). A seed guide tube (305) is arranged between the furrow opener units (306).

4. The grassland undisturbed sowing unit according to claim 3, characterized in that: The single frame (301) is a cast single frame, and the counterweight box (303) is provided with a counterweight block.

5. The grassland undisturbed sowing unit according to claim 3, characterized in that: The fertilizer box discharge unit (302) is equipped with an electric discharge device and a fertilizer pipe.

6. The grassland undisturbed sowing unit according to claim 3, characterized in that: The furrow opener unit (306) includes a furrow opener unit connector (3061), a seed inlet (3062), a fertilizer inlet (3063), a soil separating plate (3064), and a furrow opener (3065). The furrow opener unit connector (3061) is installed on the frame (301). Two soil dividing plates (3064) are symmetrically installed on the upper front end of the furrow opener unit connector (3061), and a furrow opener (3065) is installed on the lower front end. The rear end of the furrow opener unit connector (3061) is provided with a seed inlet (3062) and a fertilizer inlet (3063). The bottom outlet ends of the seed inlet (3062) and the fertilizer inlet (3063) are joined together and connected to the seed guide tube (305). The soil inlet part of the furrow opener (3065) has an inverted T-shaped structure.

7. The grassland undisturbed sowing unit according to claim 1, characterized in that: The soil compaction mechanism (4) includes a compaction connecting seat (401), two arm plates (402), an adjusting rod (403), and a compaction wheel (404). The compaction connecting seat (401) is connected to the rear end of the single frame (301). The arm plates (402) are rotatably connected to the compaction connecting seat (401). The compaction wheel (404) is rotatably connected to the lower part of the two arm plates (402). One end of the adjusting rod (403) is hinged to the two arm plates (402) by a pin, and the other end is locked to the compaction connecting seat (401) by a screw.

8. The grassland undisturbed sowing unit according to claim 7, characterized in that: The pressing connecting seat (401) is provided with a through hole, the adjusting rod (403) passes through the through hole, the cross-sectional area of ​​the through hole is larger than the cross-sectional area of ​​the adjusting rod (403), and the end of the adjusting rod (403) is provided with a thread for connecting screws.

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