Self-propelled pasture reseeding machine

Abstract

The utility model relates to a kind of self-driving pasture complementary seeding machine, including chassis system, seed metering system, control and power supply system and ditching system;Chassis system includes rack, half shaft, half shaft flange, driving wheel, driving motor, press wheel and steering column;Seed metering system includes seed box for storing Chinese wildrye seed and seed metering device connected below seed box;The seed metering device adopts outer-groove wheel type air blowing seed structure, including seed metering fan, seed metering motor, seed metering shell, seed brush and seed metering wheel;Ditching system includes electric push rod, disc ditcher, pin shaft, ditcher support, seed metering tube support and depth limiting wheel;Control and power supply system includes generator and distribution box installed on rack, and generator provides electric energy for distribution box;The control module of integrated whole machine electrical system is integrated in the distribution box.The utility model is light in quality, with power, greatly reduce the compaction to grassland.

Description

Technical Field

[0001] This utility model relates to a self-driven pasture reseeding machine for improving degraded grasslands and realizing pasture reseeding. Background Technology

[0002] China possesses nearly 400 million hectares of natural grasslands, covering 40% of its land area. These grasslands constitute the largest terrestrial ecosystem and are the foundation for livestock development and ecological civilization construction. However, due to long-term overgrazing without rest and a lack of scientific management, these grasslands are experiencing large-scale degradation. Therefore, promoting the improvement of degraded grasslands is of great significance. Existing mechanized improvement technologies include soil loosening, reseeding, fertilization, root pruning, and removal of poisonous weeds. Reseeding, as a key technology for degraded grassland improvement, has various precision seeding machines suitable for reseeding or establishing artificial grasslands.

[0003] Currently, most common grassland reseeding machinery requires tractor-based operation and is more suitable for large-scale degraded grassland restoration. For example, the Chinese invention patent application "A Grassland Desertification Restoration Reseeding Device" (application number 202511237241.2) includes components such as a mounting frame, drive assembly, and seeding pipe, and primarily addresses the problem of slippage of the pressure rollers in existing restoration reseeding machines. However, this grassland desertification restoration reseeding device requires a tractor to complete the operation. Tractors are heavy, and most common grassland restoration machinery is suspended, further increasing the compaction of the grassland by the tractor. After the tractor compacts, the grassland becomes more compacted, affecting the soil's volume density, porosity, and temperature, which in turn affects crop root growth. Summary of the Invention

[0004] To address the issues of large size and weight of existing pasture reseeding machines, the purpose of this invention is to provide a self-powered pasture reseeding machine. This invention is self-powered, capable of independent operation, and suitable for reseeding natural grasslands and small-scale operations.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A self-driven forage reseeding machine includes a chassis system 1, a seeding system 2, a control and power supply system 3, and a ditching system 4.

[0007] The chassis system 1 includes a frame 1-1, half-shafts 1-2, half-shaft flanges 1-3, drive wheels 1-4, drive motors 1-5, press wheels 1-6, and steering column 1-7. The left and right longitudinal beams of the frame 1-1 are connected at a certain angle at the rear end to form a corner node. Half-shafts 1-2 are installed on each of the left and right sides of the frame 1-1. The two half-shafts 1-2 are driven to rotate by a drive motor 1-5, and drive wheels 1-4 are installed on the outer sides of the two half-shafts 1-2 through half-shaft flanges 1-3. The steering column 1-7 is installed at the corner node at the rear end of the frame 1-1. A pair of press wheels 1-6 are installed below the steering column 1-7 to press the seed furrows.

[0008] The seed metering system 2 includes a seed box 2-2 for storing sheepgrass seeds and a seed metering device 2-5 connected below the seed box 2-2. The seed metering device 2-5 adopts an external grooved wheel type air-blowing seed delivery structure, including a seed metering fan 2-1, a seed metering motor 2-3, a seed metering housing 2-4, a seed brush 2-6, and a seed metering wheel 2-8. The seed inlet at the top of the seed metering housing 2-4 is connected to the seed outlet at the bottom of the seed box 2-2. The seed metering wheel 2-8 is installed in the seed metering chamber below the seed inlet, and the seed metering wheel 2-8 is driven to rotate by the seed metering motor 2-3. The seed metering housing 2-4 dispenses seeds... Below the chamber is an air duct communicating with the seed dropping area. A seed metering fan 2-1 is provided at the air inlet of the air duct to generate airflow to send the seeds into the seed metering pipe 2-9 of the seed metering shell 2-4. The seed metering wheel 2-8 has a circular cross-section, and its outer edge is evenly provided with multiple semi-circular grooves for accommodating sheepgrass seeds. The seed brush 2-6 is installed inside the seed metering shell 2-4 to separate the seed metering area from the seed dropping area. The bristles of the seed brush 2-6 contact the outer edge of the seed metering wheel 2-8 to remove excess seeds from the seed metering grooves of the seed metering wheel 2-8.

[0009] The ditching system 4 includes an electric push rod 4-1, a disc ditcher 4-2, a pin 4-3, a ditcher bracket 4-4, a seed metering pipe bracket 4-5, and a depth limiting wheel 4-6; the top of the electric push rod 4-1 is hinged to the front end of the frame 1-1; the front end of the ditcher bracket 4-4, arranged along the axis of the implement, is hinged to the bottom end of the electric push rod 4-1, and the rear end of the ditcher bracket 4-4 is hinged to the middle of the frame 1-1 via the pin 4-3; the disc ditcher 4-2 includes... Two discs of unequal diameter are arranged in a "V" shape and mounted on a bearing seat in the middle of the furrow opener bracket 4-4. The lower edges of the two discs are tangent to the same horizontal plane. A depth limiting wheel 4-6 is coaxially mounted on the outer side of each disc. The diameters of the two depth limiting wheels 4-6 are unequal and both are smaller than the diameter of the corresponding disc. The seed metering pipe 2-9 is fixed to the middle and rear part of the furrow opener bracket 4-4 through the seed metering pipe bracket 4-5, located between the two discs of the disc furrow opener 4-2.

[0010] The control and power supply system 3 includes a generator 3-2 and a power distribution box 3-1 installed on the frame 1-1. The generator 3-2 provides power to the power distribution box 3-1. The power distribution box 3-1 integrates the control module of the whole machine's electrical system. The control module is electrically connected to the drive motor 1-5, the seeding fan 2-1, the seeding motor 2-3, and the electric push rod 4-1. The power distribution box 3-1 can receive signals from the remote control and thus control the whole machine.

[0011] The top of the steering column 1-7 is fitted with a locking nut 1-8 for axial fixation.

[0012] The pressing wheels 1-6 are made of rubber, and the two pressing wheels 1-6 are arranged in a "V" shape.

[0013] The steering column 1-7 has an axial offset structure, which can generate a return torque during the forward movement of the forage reseeding machine, and realize the passive steering function of the press wheel 1-6.

[0014] The drive motors 1-5 are DC geared motors with a power of 600W and a rated voltage of 24V; the seeding fan 2-1 is a 24V DC fan.

[0015] Both the seed metering shell 2-4 and the seed metering wheel 2-8 are manufactured by resin 3D printing.

[0016] The seed box 2-2 is provided with an openable cover on top; a pluggable plate 2-7 is provided between the seed outlet of the seed box 2-2 and the seed inlet of the seed discharge shell 2-4 for opening or closing the seed outlet of the seed box 2-2.

[0017] The insert plate 2-7 is an "L"-shaped structural component made of stainless steel, including a short side and a long side that are perpendicular to each other. When the short side of the insert plate 2-7 is inserted into the seed metering shell 2-4, the seed box 2-2 is connected to the seed metering shell 2-4, and sowing can be carried out. When the long side of the insert plate 2-7 is inserted into the seed metering shell 2-4, the seed box 2-2 is separated from the seed metering shell 2-4.

[0018] The large disc has a diameter of 250mm, the small disc has a diameter of 188mm, the large depth limit wheel has a diameter of 200mm, and the small depth limit wheel has a diameter of 138mm.

[0019] The diameter of the pin 4-3 is 17mm; the generator 3-2 uses a four-stroke gasoline engine as its power source, with a rated output voltage of DC24V and a maximum power of 5kW.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] Existing forage reseeding equipment all require tractors for operation, are large in size and heavy, and the tractors can cause compaction of the grassland. The self-driven forage reseeding equipment of this invention has a ground pressure of only about 1 / 2 that of a common medium-sized tractor, is lightweight, and has its own power, which greatly reduces the compaction of the grassland and further reduces the damage to the grassland caused by reseeding operations, thus solving the problem of difficult small-area operation of existing equipment. Attached Figure Description

[0022] Figure 1 This is an axonometric view of the self-driven pasture reseeding machine of this utility model;

[0023] Figure 2 This is a side view of the self-driven pasture reseeding machine of this utility model;

[0024] Figure 3 This is a side view of the chassis system of this utility model;

[0025] Figure 4 This is a top view of the chassis system of this utility model;

[0026] Figure 5 This is a side view of the seeding system of this utility model;

[0027] Figure 6 This is a cross-sectional view of the seeding system of this utility model;

[0028] Figure 7 This is a side view of the control and power supply system of this utility model;

[0029] Figure 8 This is a side view of the trenching system of this utility model;

[0030] Figure 9 This is a schematic diagram of the trenching system of the single disc trencher of this utility model;

[0031] Figure 10 This is an isometric view of the trenching system of this utility model.

[0032] The reference numerals in the attached figures are:

[0033] 1 Chassis System

[0034] 1-1 Frame 1-2 Half Shaft

[0035] 1-3 Half-shaft flange 1-4 Drive wheel

[0036] 1-5 Drive motor 1-6 Pressing wheel

[0037] 1-7 Steering column 1-8 Locking nut

[0038] 2-row seeding system

[0039] 2-1 Seed fan 2-2 Seed box

[0040] 2-3 row seeding motor, 2-4 row seeding housing

[0041] 2-5 seed metering device, 2-6 seed brush

[0042] 2-7 Insert plate 2-8 Seed reel

[0043] 2-9 seed tubes

[0044] 3. Control and power supply system

[0045] 3-1 Distribution box; 3-2 Generator

[0046] 4. Trenching System

[0047] 4-1 Electric push rod 4-2 Disc trencher

[0048] 4-3 Pin Shaft 4-4 Trencher Support

[0049] 4-5 rows of seed tube supports; 4-6 depth limiting wheels Detailed Implementation

[0050] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0051] like Figure 1 and Figure 2 As shown, a self-driven forage reseeding machine includes a chassis system 1, a seeding system 2, a control and power supply system 3, and a ditching system 4.

[0052] refer to Figure 3 and Figure 4The chassis system 1 is the load-bearing and walking unit of the self-driven forage reseeding implement, which includes a frame 1-1, half-shafts 1-2, half-shaft flanges 1-3, drive wheels 1-4, drive motors 1-5, press wheels 1-6, and steering columns 1-7. The left and right longitudinal beams of the frame 1-1 are connected at a certain angle at the rear end to form a corner node. Half-shafts 1-2 are installed on the left and right sides of the frame 1-1 through drive wheel bearing seats and bearings (model: 30207). The two half-shafts 1-2 are respectively driven by a drive wheel. The motor 1-5 drives the rotation, and drive wheels 1-4 are mounted on the outer sides of the two half-shafts 1-2 via half-shaft flanges 1-3. The steering column 1-7 is mounted on the corner node at the rear end of the frame 1-1 via a pair of bearings (model: 30206). A locking nut 1-8 for axial fixation is installed at the top of the steering column 1-7. A pair of press wheels 1-6 are installed below the steering column 1-7. The press wheels 1-6 are made of rubber and are arranged in a "V" shape to press the seed furrows. The steering column 1-7 adopts an axial offset design, which can generate a return torque during the forward movement of the forage reseeding implement, enabling the press wheels 1-6 to have a passive steering function. The design of the steering column 1-7 realizes the dual functions of pressing and moving of the press wheels 1-6 in the chassis system. The drive motor 1-5 is a DC geared motor with a power of 600W and a rated voltage of 24V.

[0053] refer to Figure 5 and Figure 6 The seed metering system 2 is the seeding unit of this forage reseeding machine. The seed type for reseeding is sheepgrass. The seed metering system 2 includes a seed box 2-2 for storing sheepgrass seeds and a seed metering device 2-5 connected below the seed box 2-2. The seed metering device 2-5 adopts an external grooved wheel type air-blowing seed delivery structure, including a seed metering fan 2-1, a seed metering motor 2-3, a seed metering housing 2-4, a seed brush 2-6, an insert plate 2-7, and a seed metering wheel 2-8. The upper part of the seed metering housing 2-4 The seed inlet is connected to the seed outlet at the bottom of the seed box 2-2. A seed metering wheel 2-8 is installed in the seed metering chamber below the seed inlet. The seed metering wheel 2-8 is driven to rotate by the seed metering motor 2-3. An air duct communicating with the seed dropping area is provided below the seed metering chamber of the seed metering shell 2-4. A seed metering fan 2-1 is provided at the air inlet of the air duct. The seed metering fan 2-1 is a 24V DC fan, which is used to generate airflow to send the seeds into the seed metering pipe 2-9 of the seed metering shell 2-4.

[0054] The seed-discharging wheel 2-8 has a circular cross-section, and its outer edge is uniformly provided with multiple semi-circular grooves for accommodating sheepgrass seeds.

[0055] The seed brush 2-6 is installed inside the seed metering housing 2-4 to separate the seed metering area from the seed dropping area; the bristles of the seed brush 2-6 contact the outer edge of the seed metering wheel 2-8 to remove excess seeds from the seed metering groove of the seed metering wheel 2-8.

[0056] In one embodiment, both the seed metering housing 2-4 and the seed metering wheel 2-8 are manufactured by resin 3D printing.

[0057] The seed box 2-2 has an openable cover on top; a pluggable insert plate 2-7 is provided between the seed outlet of the seed box 2-2 and the seed inlet of the seed metering shell 2-4 for opening or closing the seed outlet of the seed box 2-2. The insert plate 2-7 is an "L"-shaped structural component made of stainless steel, including a short side and a long side that are perpendicular to each other; when the short side of the insert plate 2-7 is inserted into the seed metering shell 2-4, the seed box 2-2 is connected to the seed metering shell 2-4, and sowing can be performed; when the long side of the insert plate 2-7 is inserted into the seed metering shell 2-4, the seed box 2-2 is separated from the seed metering shell 2-4, and the seed metering system cannot dispense seeds at this time, allowing for cleaning of the seed box.

[0058] During the seeding operation, the sheepgrass seeds in the seed box 2-2 fall into the seeding groove of the seeding wheel 2-8 by gravity. The seeding wheel 2-8 is driven to rotate by the seeding motor 2-3. The seed brush 2-6 removes excess seeds from the seeding groove of the seeding wheel 2-8. The seeds in the seeding groove fall into the seeding area below. When passing through the air duct, the sheepgrass seeds are blown out of the seeding pipe 2-9 by the airflow blown by the seeding fan 2-1, thus realizing seeding.

[0059] refer to Figure 7 The control and power supply system 3 provides control and electrical energy for the operation of the entire machine, including a generator 3-2 and a power distribution box 3-1 installed on the frame 1-1. The power distribution box 3-1 integrates the control module of the entire machine's electrical system. The control module is electrically connected to the drive motor 1-5, the seeding fan 2-1, the seeding motor 2-3, and the electric push rod 4-1. The power distribution box 3-1 can receive signals from the remote control to control the entire machine. The generator 3-2 uses a four-stroke gasoline engine as its power source, with a rated output voltage of DC24V and a maximum power of 5kW. When the reseeding machine is in operation, the generator 3-2 starts to provide electrical energy to the power distribution box 3-1, and the control module of the power distribution box 3-1 controls the movement, seeding, and furrowing of the reseeding machine.

[0060] refer to Figures 8 to 10The furrowing system 4 can construct seed furrows for sheepgrass seeds. The furrowing system 4 includes an electric push rod 4-1, a disc furrow opener 4-2, a pin 4-3, a furrow opener support 4-4, a seed metering pipe support 4-5, and a depth limiting wheel 4-6. The top of the electric push rod 4-1 is hinged to the front end of the frame 1-1. The front end of the furrow opener support 4-4, arranged along the machine axis, is hinged to the bottom end of the electric push rod 4-1, and the rear end of the furrow opener support 4-4 is hinged to the middle of the frame 1-1 via the pin 4-3. The diameter of the pin 4-3 is 17mm. The disc furrow opener 4-2 includes two discs of unequal diameter; the larger disc can use a smaller one. The force of the disc cuts through the turf, creating narrow furrows. Small discs then widen these furrows laterally, establishing the seed furrows. The large disc has a diameter of 250mm, and the small disc has a diameter of 188mm. The two discs are arranged in a "V" shape and mounted on a bearing seat in the middle of the furrow opener bracket 4-4. The lower edges of both discs are tangent to the same horizontal plane. A depth-limiting wheel 4-6 is coaxially mounted on the outer side of each disc, rotating with the discs during operation. The diameters of the two depth-limiting wheels 4-6 are unequal and both smaller than the diameter of the corresponding discs; the large depth-limiting wheel has a diameter of 200mm, and the small depth-limiting wheel has a diameter of 138mm, serving both depth-limiting and counterweight functions. The seed metering pipe 2-9 is fixed to the middle and rear part of the furrow opener bracket 4-4 via a seed metering pipe bracket 4-5, located between the two discs of the disc furrow opener 4-2. It guides the seeds discharged by the seed metering system 2 into the seed furrows created by the two discs. When the reseeding machine performs ditching operations, the electric push rod 4-1 extends, and the disc ditcher 4-2 is pressed into the grass under the gravity of the depth limiting wheel 4-6. As the machine moves forward, the disc ditcher 4-2 rotates itself, cutting the soil to complete the ditching operation; the seeds discharged through the seed metering tube 2-9 of the seed metering device 2-5 fall into the seed furrow opened by the disc ditcher 4-2.

[0061] The working process of this utility model is as follows:

[0062] Before use, turn on the main switch on the power distribution box 3-1. After the generator 3-2 starts, it supplies power to the power distribution box 3-1. Use the remote control to adjust the length of the electric push rod 4-1, thereby changing the furrowing depth of the furrow opener. Use the remote control to turn on the seed metering fan 2-1 and the seed metering motor 2-3. The seed metering system 2 starts to start seeding. Use the forward lever on the remote control to move the forage reseeding machine forward. The disc furrow opener 4-2 cultivates the seed furrow on the grassland. As the seed metering system 2 works, the seeds in the seed metering tube 2-9 fall into the seed furrow. As the forage reseeding machine moves forward, the compaction wheel 1-6 compacts the seed furrow, and the reseeding operation is completed.

Claims

1. A self-propelled forage reseeding machine, characterized in that, The self-driven forage reseeding machine includes a chassis system (1), a seeding system (2), a control and power supply system (3), and a ditching system (4); The chassis system (1) includes a frame (1-1), half-shafts (1-2), half-shaft flanges (1-3), drive wheels (1-4), drive motors (1-5), press wheels (1-6), and steering column (1-7). The left and right longitudinal beams of the frame (1-1) are connected at a certain angle at the rear end to form a corner node. Half-shafts (1-2) are installed on the left and right sides of the frame (1-1). The two half-shafts (1-2) are driven to rotate by a drive motor (1-5), and drive wheels (1-4) are installed on the outer sides of the two half-shafts (1-2) through half-shaft flanges (1-3). The steering column (1-7) is installed at the corner node at the rear end of the frame (1-1). A pair of press wheels (1-6) are installed below the steering column (1-7) to press the seed furrow. The seed metering system (2) includes a seed box (2-2) for storing sheepgrass seeds and a seed metering device (2-5) connected below the seed box (2-2); the seed metering device (2-5) adopts an external grooved wheel type air-blowing seed delivery structure, including a seed metering fan (2-1), a seed metering motor (2-3), a seed metering housing (2-4), a seed brush (2-6), and a seed metering wheel (2-8); the seed inlet at the top of the seed metering housing (2-4) is connected to the seed outlet at the bottom of the seed box (2-2), and the seed metering wheel (2-8) is installed in the seed metering chamber below the seed inlet, and the seed metering wheel (2-8) is driven to rotate by the seed metering motor (2-3); the seed metering housing (2-4) Below the seed metering chamber of 2-4) is an air duct communicating with the seed dropping area. A seed metering fan (2-1) is provided at the air inlet of the air duct to generate airflow to send the seeds into the seed metering tube (2-9) of the seed metering shell (2-4). The seed metering wheel (2-8) has a circular cross-section, and its outer edge is uniformly provided with multiple semi-circular grooves for accommodating sheepgrass seeds. The seed brush (2-6) is installed inside the seed metering shell (2-4) to separate the seed metering area from the seed dropping area. The bristles of the seed brush (2-6) contact the outer edge of the seed metering wheel (2-8) to remove excess seeds from the seed metering grooves of the seed metering wheel (2-8). The ditching system (4) includes an electric push rod (4-1), a disc ditcher (4-2), a pin (4-3), a ditcher bracket (4-4), a seed metering tube bracket (4-5), and a depth limiting wheel (4-6); the top of the electric push rod (4-1) is hinged to the front end of the frame (1-1); the front end of the ditcher bracket (4-4), arranged along the axis of the implement, is hinged to the bottom end of the electric push rod (4-1), and the rear end of the ditcher bracket (4-4) is hinged to the middle of the frame (1-1) via the pin (4-3); the disc ditcher... The device (4-2) includes two discs of different diameters, arranged in a "V" shape, and mounted on a bearing seat in the middle of the furrow opener support (4-4); the lower edges of the two discs are tangent to the same horizontal plane; a depth limiting wheel (4-6) is coaxially mounted on the outer side of each disc; the diameters of the two depth limiting wheels (4-6) are different and both are smaller than the diameter of the corresponding disc; the seed metering pipe (2-9) is fixed to the middle and rear part of the furrow opener support (4-4) through the seed metering pipe support (4-5), located between the two discs of the disc furrow opener (4-2); The control and power supply system (3) includes a generator (3-2) and a power distribution box (3-1) installed on the frame (1-1). The generator (3-2) provides power to the power distribution box (3-1). The power distribution box (3-1) integrates the control module of the whole machine's electrical system. The control module is electrically connected to the drive motor (1-5), the seeding fan (2-1), the seeding motor (2-3), and the electric push rod (4-1). The power distribution box (3-1) can receive signals from the remote control and then control the whole machine.

2. The self-driven pasture reseeding machine according to claim 1, characterized in that, The top of the steering column (1-7) is fitted with a locking nut (1-8) for axial fixation.

3. The self-driven pasture reseeding machine according to claim 1, characterized in that, The pressing wheels (1-6) are made of rubber, and the two pressing wheels (1-6) are arranged in a "V" shape.

4. The self-driven pasture reseeding machine according to claim 1, characterized in that, The steering column (1-7) is an axis-offset structure, which can generate a return torque during the forward movement of the forage reseeding machine, thereby realizing the passive steering function of the press wheel (1-6).

5. The self-driven pasture reseeding machine according to claim 1, characterized in that, The drive motor (1-5) is a DC geared motor with a power of 600W and a rated voltage of 24V; the seeding fan (2-1) is a 24V DC fan.

6. The self-driven pasture reseeding machine according to claim 1, characterized in that, Both the seed metering shell (2-4) and the seed metering wheel (2-8) are manufactured by resin 3D printing.

7. The self-driven pasture reseeding machine according to claim 1, characterized in that, The seed box (2-2) is provided with an openable cover on top; a pluggable insert plate (2-7) is provided between the seed outlet of the seed box (2-2) and the seed inlet of the seed discharge shell (2-4) for opening or closing the seed outlet of the seed box (2-2).

8. The self-driven pasture reseeding machine according to claim 7, characterized in that, The insert plate (2-7) is an "L"-shaped structural component made of stainless steel, including a short side and a long side that are perpendicular to each other. When the short side of the insert plate (2-7) is inserted into the seed metering shell (2-4), the seed box (2-2) is connected to the seed metering shell (2-4). When the long side of the insert plate (2-7) is inserted into the seed metering shell (2-4), the seed box (2-2) is separated from the seed metering shell (2-4).

9. The self-driven pasture reseeding machine according to claim 1, characterized in that, The large disc has a diameter of 250mm, the small disc has a diameter of 188mm, the large depth limit wheel has a diameter of 200mm, and the small depth limit wheel has a diameter of 138mm.

10. The self-driven pasture reseeding machine according to claim 1, characterized in that, The diameter of the pin (4-3) is 17mm; the generator (3-2) uses a four-stroke gasoline engine as its power source, with a rated output voltage of DC24V and a maximum power of 5kW.

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