Dual-mode covering ditching seeder

Abstract

The invention discloses a dual-mode covering furrowing seeder which comprises a vehicle body, a primary film covering unit, a seeding unit and a secondary film covering unit, the vehicle body is used for mounting and fixing the primary film covering unit, the seeding unit and the secondary film covering unit, the primary film covering unit is used for land furrowing, shaping, primary film covering and soil feeding, the seeding unit is used for seed throwing and seeding, and the secondary film covering unit is used for seeding seeds. The secondary film mulching unit is used for film mulching, soil feeding and hole pricking, when the film mulching machine advances in the land, after the primary film mulching unit ditches and shapes the land, a first layer of film is laid, the first layer of film is covered with soil, the sowing unit sows seeds, and the number of the put seeds is controlled; the secondary film covering unit is used for laying a second layer of film, covering soil and pricking holes at the same time, so that growth conditions are provided for the seeds after the soil is broken, the effective accumulated temperature is increased while the sowing time of the seeds is advanced, more favorable conditions are created for crop growth, and the yield of the crops is increased.

Description

Technical Field

[0001] The invention relates to the technical field of film laying machines, in particular to a double-mode covering furrowing seeder. Background Art

[0002] In the field of modern agricultural planting, the innovation of seeding technology is of great significance for increasing crop yields, optimizing resource utilization and protecting the environment. With the rapid development of water-saving irrigation technology and mulching technology, the dual-mode mulching furrow seeder came into being. It combines multiple functions such as furrow sowing and double-film mulching, bringing revolutionary changes to agricultural production.

[0003] Traditional sowing methods usually use direct sowing or simple mulching technology, which have obvious deficiencies in water saving, heat preservation, and weed control. Especially in arid areas, soil moisture evaporates quickly, and direct sowing can easily cause seeds to lose water, grow slowly, or even die. At the same time, simple mulching technology cannot effectively prevent the growth of weeds, affecting crop growth and yield. In some areas with a short frost-free period, traditional planting patterns often cannot meet the needs of crop growth, resulting in a short crop growth cycle and limited yield. In order to overcome these problems, an innovative technology is needed to advance the sowing time of crops, increase the effective accumulated temperature, and thus increase yield and economic benefits.

[0004] In the dual-mode mulching furrow seeder, the application of single-seed sowing technology is crucial. Single-seed sowing can ensure that only one seed is sown in each sowing hole, avoiding seed waste and the occurrence of empty holes. At the same time, single-seed sowing can also reduce post-management operations such as thinning and seedling determination, reducing labor input and production costs. Therefore, in the dual-mode mulching furrow seeder, the use of single-seed sowing technology is the key to achieving efficient and accurate sowing. Summary of the invention

[0005] The object of the present invention is to provide a dual-mode covering furrow seeder to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] The dual-mode covering furrowing seeder includes a vehicle body, a primary covering unit, a sowing unit and a secondary covering unit. The vehicle body is placed on a horizontal basis. The primary covering unit is fixedly connected to the vehicle body. The primary covering unit includes a mounting rod 1. Both ends of the mounting rod 1 are vertically fixedly installed on the inner side of a frame perpendicular to the horizontal basis. A ground film roll is sleeved on the outer surface of the mounting rod 1. The sowing unit is fixedly connected to the vehicle body. The sowing unit has the function of single-grain quantitative sowing. The secondary covering unit is fixedly connected to the vehicle body. The secondary covering unit includes a mounting rod 2. Both ends of the mounting rod 2 are vertically fixedly installed on the inner side of a frame perpendicular to the horizontal basis. A ground film roll is sleeved on the outer surface of the mounting rod 2.

[0008] The vehicle body is used for the installation and fixation of the primary covering unit, the sowing unit and the secondary covering unit. The primary covering unit is used for digging trenches, shaping, primary covering and soiling of the land. The sowing unit is used for placing and sowing seeds. The secondary covering unit is used for covering, soiling and piercing holes. When the covering machine is moving on the land, the primary covering unit digs trenches and shapes the land and then lays the first layer of film. After covering the first layer of film with soil, the sowing unit sows seeds and controls the number of seeds placed. The secondary covering unit lays the second layer of film and covers it with soil, and pierces holes at the same time, providing growth conditions for the seeds after breaking the soil, thereby advancing the sowing time of the seeds while increasing the effective accumulated temperature, creating more favorable conditions for crop growth and increasing the yield of crops.

[0009] Furthermore, the vehicle body includes a frame, front wheels and rear wheels, the frame is placed on a horizontal foundation, the front wheel is fixedly mounted on an end face of the frame close to the horizontal foundation, the rear wheel is fixedly mounted on an end face of the frame close to the horizontal foundation, and the frame is fixedly connected to a primary coating unit.

[0010] Furthermore, the primary film covering unit includes a furrow opener, a motor, a telescopic rod, a connecting plate, a shaping wheel and an upper soil wheel. The furrow opener is fixedly mounted on an end of the frame close to the front wheel, the motor is fixedly mounted on an end surface of the frame away from the horizontal foundation, one end of the telescopic rod is fixedly connected to an output end of the motor, and the other end is fixedly connected to the connecting plate, both ends of the shaping wheel are vertically fixedly connected to the connecting plate, and the upper soil wheel is fixedly mounted on the surface of an end of the frame close to the horizontal foundation.

[0011] Before the vehicle moves, the user pulls out the ground film and buries it in the ground with soil. During the movement of the vehicle, the furrow opener opens a sowing furrow on the ground. The turned-up soil is turned inward to form a stalk. At the same time, the starter motor drives the telescopic rod to extend and retract, and drives the connecting plate and the shaping wheel to rise and fall synchronously. After adjusting to the required height, the shaping wheel rotates under the friction of the soil and presses and shapes the sowing furrow to form a wide upper and narrow lower sowing furrow that can adapt to drum sowing. At this time, the ground film roll on the mounting rod automatically rotates to release the ground film, and the upper soil wheel flips the soil to both sides of the ground film during the movement, thereby completing the laying of the first layer of ground film.

[0012] Furthermore, the sowing unit includes motor 2, a drum, an end cover, a hopper, a connecting rod, motor 3, a bevel gear, an installation box, a partition, a rotating rod, a lever, an electromagnet, a push block, an elastic rope, a seed tube, an angle sensor and an opening box. The motor 2 is fixedly installed on the outer side of a frame perpendicular to the horizontal base, the drum is fixedly connected to the output end of the motor 2, the drum is installed on the inner side of the frame, the drum is rotatably connected to the end cover, the end of the hopper close to the horizontal base is connected to the end cover through a pipeline, the end of the hopper perpendicular to the horizontal base is fixedly connected to the frame through a connecting rod, the motor 3 is fixedly installed on the outer surface of the end cover, the output end of the motor 3 extends into the drum and is fixedly connected to one end of the rotating rod, and the other end of the rotating rod is fixedly connected to the bevel gear. There are four bevel gears, which are meshed with each other, the rotating rod is rotatably connected to the mounting box, the bevel gear is installed inside the mounting box, the mounting box is nested in the center of the partition, the partition is fixedly installed inside the drum, the lever is fixedly connected to the rotating rod, the opening box is fixedly installed on the end of the partition close to the hopper, the electromagnet is fixedly installed inside the opening box close to the center of the partition, one end of the elastic rope is fixedly connected to the push block, and the other end is fixedly connected to the electromagnet, the push block is slidably installed inside the opening box, the seed outlet tube is opened on the drum corresponding to the opening box, the angle sensor is fixedly installed on the end of the partition close to the hopper, the drum surface is provided with a negative pressure fan vent, and the partition surface is evenly provided with a plurality of seed passing holes.

[0013] During the movement of the vehicle body, while the second motor drives the drum to rotate, the seeds in the hopper are continuously released into the drum, the negative pressure fan is started to suck the seeds into the through hole on the partition, and the seeds are exposed on the other side of the partition. Under the action of the rotating rod, the third motor drives the bevel gear to rotate, thereby driving the lever to rotate in the opposite direction of the drum to remove the excess seeds adsorbed on the through hole or the seeds in the incorrect position, so as to ensure that one seed is sown at a time. When the angle sensor detects that the angle between the opening box and the ground is 0 degrees, the signal is fed back to the controller, and the controller changes the current input to the electromagnet to change the polarity of the electromagnet. The electromagnet pushes the push block to slide out and push the seeds down, so that the seeds fall into the soil through the seed outlet tube, thereby realizing the single seed sowing of seeds. When the angle sensor detects that the angle between the opening box and the ground is not 0 degrees, the signal is fed back to the controller, and the controller changes the current input to the electromagnet again to change the polarity of the electromagnet, so that the electromagnet cooperates with the elastic rope to adsorb the push block to slide in the opening box, preparing for the next seed delivery.

[0014] Furthermore, the secondary coating unit includes a motor four, a telescopic rod two, a roller, a needle roller and an upper soil wheel two. The motor four is fixedly mounted on the end face of the frame away from the horizontal foundation. One end of the telescopic rod two is fixedly connected to the output end of the motor four, and the other end is vertically connected to the roller for rotation. A plurality of needle rollers are evenly and fixedly mounted on the side surface of the roller. The upper soil wheel two is fixedly mounted on the surface of the frame close to the horizontal foundation.

[0015] After the seed sowing is completed, start motor 4 to drive telescopic rod 2 to extend and retract. After adjusting the distance between the roller and the ground to a suitable position, when the vehicle body moves, the mulch roll on the mounting rod 2 automatically releases the mulch film, and at the same time the roller rotates under the friction of the soil, and the roller needle pokes holes in the mulch film along the sowing furrow. At the same time, the upper soil wheel 2 rolls the soil to the mulch film, and turns the two sides to cover the mulch film roll, completing the laying of the second layer of film. The second layer of film and the first layer of film together form a small greenhouse environment. When the seedlings break through the soil, these small holes can regulate the temperature inside the film and prevent high temperature from burning the seedlings. After it rains, the water on the film can flow in from the small holes, making full and efficient use of natural rainfall, thereby increasing crop yield and sowing time.

[0016] Furthermore, a magnet is fixedly mounted on one end of the push block close to the electromagnet, and the gravity of the push block itself is 1 / 2 of the attraction force of the electromagnet.

[0017] In order to push the seeds down from the through hole on the partition, a magnet is fixedly installed at the end of the push block close to the electromagnet to complete the seed sowing. At the same time, it is prevented that the push block itself is too heavy and moves down, blocking the through hole and affecting the seed sowing and the hole. The weight of the push block itself is set to 1 / 2 of the attraction of the electromagnet.

[0018] Furthermore, a groove is provided on the same axis of the lever and the through hole.

[0019] In order to remove the excess seeds adsorbed on the partition holes or seeds in the wrong position, it is avoided that the partition holes are blocked and the seeds cannot be sown, resulting in cavitation, which reduces the seed sowing efficiency and the crop yield.

[0020] Furthermore, the angle sensor is electrically connected to an external controller, and the electromagnet is electrically connected to the external controller.

[0021] In order to achieve automation and timely response, when the angle sensor detects that the angle between the opening box and the ground is 0 degrees, it can promptly feedback to the controller to control the electromagnet to push the seeds down and complete the sowing, thereby realizing automated sowing, improving sowing efficiency and saving manpower.

[0022] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: the present invention uses the shaping wheel in the primary film covering unit to press and shape the sowing furrow in the soil, so as to form a sowing furrow that is wide at the top and narrow at the bottom and can adapt to drum sowing; the film roll on the mounting rod automatically rotates to release the film, and the upper soil wheel flips the soil to both sides of the film during the moving process, thereby completing the laying of the first layer of film;

[0023] The present invention starts the negative pressure fan in the sowing unit to suck the seeds into the through hole on the partition and expose the seeds on the other side of the partition. Under the action of the rotating rod, the motor 3 drives the bevel gear to rotate, thereby driving the lever and the drum to rotate in the opposite direction to remove the excess seeds adsorbed on the through hole or the seeds in the incorrect position, thereby ensuring that one seed is sown at a time. When the angle sensor detects that the angle between the opening box and the ground is 0 degrees, the controller is fed back with a signal. The controller changes the current input to the electromagnet to change the polarity of the electromagnet. The electromagnet pushes the push block to slide out and push the seeds down, so that the seeds fall into the soil through the seed outlet tube, thereby realizing the single seed sowing.

[0024] The present invention automatically releases the ground film by installing the ground film roll on the second rod in the secondary covering unit, and at the same time, the roller rotates under the friction of the soil, and the roller needle pokes holes in the ground film along the sowing furrow. At the same time, the upper soil wheel two rolls the soil toward the ground film, and the two sides are turned over to cover the ground film roll, so as to complete the laying of the second layer of film. The second layer of film and the first layer of film together constitute a small greenhouse environment. After the seedlings break through the soil, these small holes can achieve the effect of regulating the temperature inside the film and preventing the seedlings from being burned by high temperature. After it rains, water on the film can flow in from the small holes, and natural rainfall is fully and efficiently utilized, thereby increasing the crop yield and sowing time. Compared with the traditional planting method, the sowing time can be advanced by up to about 15 days, and the effective accumulated temperature can be increased by about 400 degrees, creating more favorable conditions for crop growth. In areas with a short frost-free period, it makes it possible to plant crops with higher accumulated temperature requirements, and the yield per mu can be significantly increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0026] Figure 1 It is a schematic diagram of the overall appearance structure of the present invention;

[0027] Figure 2 It is a front view structural schematic diagram of the present invention;

[0028] Figure 3 It is a schematic diagram of the top view structure of the present invention;

[0029] Figure 4 It is a schematic diagram of the internal structure of one side of the drum of the present invention;

[0030] Figure 5 is a schematic diagram of the internal appearance structure of the other side of the drum of the present invention;

[0031] Figure 6 It is a schematic diagram of the internal side view structure of the drum of the present invention;

[0032] In the figure: 1, vehicle body; 11, vehicle frame; 12, front wheel; 13, rear wheel; 2, primary film covering unit; 21, furrow opener; 22, motor 1; 23, telescopic rod 1; 24, connecting plate; 25, shaping wheel; 26, mounting rod 1; 27, upper soil wheel 1; 3, sowing unit; 31, motor 2; 32, drum; 33, end cover; 34, hopper; 35, connecting rod; 36, motor 3; 37, bevel gear; 38, mounting box; 39, partition; 310, rotating rod; 311, lever; 312, electromagnet; 313, push block; 314, elastic rope; 315, seed tube; 316, angle sensor; 317, opening box; 4, secondary film covering unit; 41, motor 4; 42, telescopic rod 2; 43, roller; 44, needle roller; 45, mounting rod 2; 46, upper soil wheel 2. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] The present invention provides a technical solution:

[0035] like Figure 1As shown, a dual-mode covering furrowing seeder includes a vehicle body 1, a primary covering unit 2, a sowing unit 3 and a secondary covering unit 4. The vehicle body 1 is placed on a horizontal foundation, the primary covering unit 2 is fixedly connected to the vehicle body 1, the primary covering unit 2 includes a mounting rod 26, both ends of the mounting rod 26 are vertically fixedly installed on the inner side of a frame 11 perpendicular to the horizontal foundation, and a ground film roll is sleeved on the outer surface of the mounting rod 26. The sowing unit 3 is fixedly connected to the vehicle body 1, and the sowing unit 3 has the function of single-grain quantitative sowing. The secondary covering unit 4 is fixedly connected to the vehicle body 1, and the secondary covering unit 4 includes a mounting rod 25, both ends of the mounting rod 25 are vertically fixedly installed on the inner side of a frame 11 perpendicular to the horizontal foundation, and a ground film roll is sleeved on the outer surface of the mounting rod 25.

[0036] The vehicle body 1 is used for installing and fixing the primary film covering unit 2, the sowing unit 3 and the secondary film covering unit 4. The primary film covering unit 2 is used for digging trenches, shaping, primary film covering and soiling of the land. The sowing unit 3 is used for placing and sowing seeds. The secondary film covering unit 4 is used for film covering, soiling and piercing holes. When the film covering machine is moving on the land, the primary film covering unit 2 digs trenches and shapes the land and then lays the first layer of film. After covering the first layer of film with soil, the sowing unit 3 sows seeds and controls the number of seeds placed. The secondary film covering unit 4 lays the second layer of film and covers it with soil, and pierces holes at the same time, providing growth conditions for the seeds after breaking through the soil, thereby advancing the sowing time of the seeds while increasing the effective accumulated temperature, creating more favorable conditions for crop growth, and increasing the yield of crops.

[0037] like Figure 2 As shown, the vehicle body 1 includes a frame 11, a front wheel 12 and a rear wheel 13. The frame 11 is placed on a horizontal basis, the front wheel 12 is fixedly mounted on an end face of the frame 11 close to the horizontal basis, the rear wheel 13 is fixedly mounted on an end face of the frame 11 close to the horizontal basis, and the frame 11 is fixedly connected to the primary coating unit 2.

[0038] like Figure 2 , 3 As shown, the primary covering unit 2 includes a furrow opener 21, a motor 22, a telescopic rod 23, a connecting plate 24, a shaping wheel 25 and an upper soil wheel 27. The furrow opener 21 is fixedly mounted on one end of the frame 11 close to the front wheel 12, the motor 22 is fixedly mounted on the end surface of the frame 11 away from the horizontal foundation, one end of the telescopic rod 23 is fixedly connected to the output end of the motor 22, and the other end is fixedly connected to the connecting plate 24, both ends of the shaping wheel 25 are vertically fixedly connected to the connecting plate 24, and the upper soil wheel 27 is fixedly mounted on the surface of one end of the frame 11 close to the horizontal foundation.

[0039] Before the vehicle body 1 moves, the user pulls out the ground film and buries it in the ground with soil. During the movement of the vehicle body 1, the furrow opener 21 opens a sowing furrow on the ground, and the turned-up soil is turned inward to form a stalk. At the same time, the start motor 22 drives the telescopic rod 23 to extend and retract, and drives the connecting plate 24 and the shaping wheel 25 to rise and fall synchronously. After adjusting to the required height, the shaping wheel 25 rotates under the friction of the soil while suppressing and shaping the sowing furrow, forming a wide upper and narrow lower sowing furrow that can adapt to the sowing of the drum 32. At this time, the ground film roll on the mounting rod 26 automatically rotates to release the ground film, and the upper soil wheel 27 flips the soil to both sides of the ground film during the movement, thereby completing the laying of the first layer of ground film.

[0040] like Figure 2 , 3 , 4, 5, and 6, the sowing unit 3 includes a second motor 31, a drum 32, an end cover 33, a hopper 34, a connecting rod 35, a third motor 36, a bevel gear 37, an installation box 38, a partition 39, a rotating rod 310, a lever 311, an electromagnet 312, a push block 313, an elastic rope 314, a seed tube 315, an angle sensor 316, and an opening box 317. The second motor 31 is fixedly installed on the outer side of the horizontal basic frame 11, and the drum 32 and the motor are fixedly installed on the outer side of the horizontal basic frame 11. The output end of the second motor 31 is fixedly connected, the drum 32 is installed on the inner side of the frame 11, the drum 32 is rotatably connected to the end cover 33, the end of the hopper 34 close to the horizontal foundation is connected to the end cover 33 through a pipeline, the end of the hopper 34 perpendicular to the horizontal foundation is fixedly connected to the frame 11 through a connecting rod 35, the motor 36 is fixedly installed on the outer surface of the end cover 33, the output end of the motor 36 extends into the drum 32 and is fixedly connected to one end of the rotating rod 310, and the other end of the rotating rod 310 is connected to the drum 32. The bevel gear 37 is fixedly connected, there are four bevel gears 37, and the bevel gears 37 are meshed and connected. The rotating rod 310 is rotatably connected with the installation box 38. The bevel gear 37 is installed inside the installation box 38, and the installation box 38 is nested in the center of the partition 39. The partition 39 is fixedly installed and rotated inside the drum 32. The lever 311 is fixedly connected to the rotating rod 310. The opening box 317 is fixedly installed on the end of the partition 39 close to the hopper 34. The electromagnet 312 is fixedly installed inside the opening box 317 close to the center of the partition 39. One end of the elastic rope 314 is fixedly connected to the push block 313, and the other end is fixedly connected to the electromagnet 312. The push block 313 is slidably installed inside the opening box 317. The seed outlet tube 315 is opened on the drum 32 corresponding to the opening box 317. The angle sensor 316 is fixedly installed on the end of the partition 39 close to the hopper 34. A negative pressure fan vent is provided on the surface of the drum 32, and a plurality of seed passing holes are evenly provided on the surface of the partition 39.

[0041] During the movement of the vehicle body 1, the motor 2 31 drives the drum 32 to rotate, and at the same time, the seeds in the hopper 34 are continuously put into the drum 32. The negative pressure fan is started to suck the seeds into the through hole on the partition 39 and expose them on the other side of the partition 39. Under the action of the rotating rod 310, the motor 36 drives the bevel gear 37 to rotate, thereby driving the lever 311 to rotate in the opposite direction of the drum 32 to remove the excess seeds adsorbed on the through hole or the seeds in the incorrect position, so as to ensure that one seed is sown at a time. When the angle sensor 316 detects that the angle between the opening box 317 and the ground is 0 degrees, it feeds back a signal to the controller to control The device changes the current input to the electromagnet 312, causing the electromagnet 312 to change its polarity. The electromagnet 312 pushes the push block 313 to slide out and push the seed down, causing the seed to fall into the soil through the seed outlet tube 315, thereby realizing single-seed sowing. When the angle sensor 316 detects that the angle between the opening box 317 and the ground is not 0 degrees, it feeds back a signal to the controller, and the controller changes the current input to the electromagnet 312 again, causing the electromagnet 312 to change its polarity, so that the electromagnet 312 cooperates with the elastic rope 314 to absorb the push block 313 to slide in the opening box 317, preparing for the next seed placement.

[0042] like Figure 2 , 3 As shown, the secondary coating unit 4 includes a motor 41, a telescopic rod 42, a roller 43, a needle roller 44 and an upper soil wheel 46. The motor 41 is fixedly mounted on the end face of the frame 11 away from the horizontal foundation. One end of the telescopic rod 42 is fixedly connected to the output end of the motor 41, and the other end is vertically rotatably connected to the roller 43. A plurality of needle rollers 44 are evenly fixedly mounted on the side surface of the roller 43. The upper soil wheel 46 is fixedly mounted on the surface of the frame 11 close to the horizontal foundation.

[0043] After the seed sowing is completed, the motor 41 is started to drive the telescopic rod 2 42 to extend and retract. After adjusting the distance between the roller 43 and the ground to a suitable position, when the vehicle body 1 moves, the mulch roll on the mounting rod 2 45 automatically releases the mulch film. At the same time, the roller 43 rotates under the friction of the soil, and the roller needle 44 pierces holes in the mulch film along the sowing furrow. At the same time, the upper soil wheel 2 46 rolls the soil towards the mulch film, and the two sides are turned over to cover the mulch film roll, completing the laying of the second layer of film. The second layer of film and the first layer of film together constitute a small greenhouse environment. When the seedlings break through the soil, these small holes can achieve the effect of regulating the temperature inside the film and preventing high temperature from burning the seedlings. After it rains, water on the film can flow in from the small holes, making full and efficient use of natural rainfall, thereby increasing crop yield and sowing time.

[0044] like Figure 4 As shown, a magnet is fixedly mounted on one end of the push block 313 close to the electromagnet 312 , and the gravity of the push block 313 itself is 1 / 2 of the attraction force of the electromagnet 312 .

[0045] In order to enable the seeds to be pushed out from the through hole on the partition 39, a magnet is fixedly installed on the end of the push block 313 close to the electromagnet 312. While completing the sowing of the seeds, it is prevented that the push block 313 itself is too heavy and moves downward, blocking the through hole and affecting the sowing of the seeds and the occurrence of holes. The gravity of the push block 313 itself is set to 1 / 2 of the attraction of the electromagnet 312.

[0046] like Figure 4 , 5 As shown, a groove is formed on the same axis of the lever 311 and the through hole.

[0047] In order to remove the excess seeds adsorbed on the holes of the partition 39 or the seeds in the wrong position, it is avoided that the holes on the partition 39 are blocked and the seeds cannot be sown, resulting in cavitation, which reduces the seed sowing efficiency and the crop yield.

[0048] like Figure 4 As shown, the angle sensor 316 is electrically connected to the external controller, and the electromagnet 312 is electrically connected to the external controller.

[0049] In order to achieve automation and timely response, when the angle sensor 316 detects that the angle between the opening box 317 and the ground is 0 degrees, it can promptly feedback to the controller to control the electromagnet 312 to push the seeds to fall, complete the sowing, and realize automated sowing to improve sowing efficiency while saving manpower.

[0050] Working principle of the present invention:

[0051] Before the vehicle body 1 moves, the user pulls out the ground film and buries it in the ground with soil. During the movement of the vehicle body 1, the furrow opener 21 opens a sowing furrow on the ground, and the turned-up soil is turned inward to form a stalk. At the same time, the start motor 22 drives the telescopic rod 23 to extend and retract, and drives the connecting plate 24 and the shaping wheel 25 to rise and fall synchronously. After adjusting to the required height, the shaping wheel 25 rotates under the friction of the soil while suppressing and shaping the sowing furrow, forming a sowing furrow that is wide at the top and narrow at the bottom and can adapt to drum sowing. At this time, the ground film roll on the mounting rod 26 automatically rotates to release the ground film, and the upper soil wheel 27 flips the soil to both sides of the ground film during the movement, thereby completing the laying of the first layer of ground film.

[0052] During the movement of the vehicle body 1, the motor 2 31 drives the drum 32 to rotate, and at the same time, the seeds in the hopper 34 are continuously put into the drum 32. The negative pressure fan is started to suck the seeds into the through hole on the partition 39 and expose them on the other side of the partition 39. Under the action of the rotating rod 310, the motor 36 drives the bevel gear 37 to rotate, thereby driving the lever 311 to rotate in the opposite direction of the drum 32 to remove the excess seeds adsorbed on the through hole or the seeds in the incorrect position, so as to ensure that one seed is sown at a time. When the angle sensor 316 detects that the angle between the opening box 317 and the ground is 0 degrees, it feeds back a signal to the controller to control The device changes the current input to the electromagnet 312, causing the electromagnet 312 to change its polarity. The electromagnet 312 pushes the push block 313 to slide out and push the seed down, causing the seed to fall into the soil through the seed outlet tube 315, thereby realizing single-seed sowing. When the angle sensor 316 detects that the angle between the opening box 317 and the ground is not 0 degrees, it feeds back a signal to the controller, and the controller changes the current input to the electromagnet 312 again, causing the electromagnet 312 to change its polarity, so that the electromagnet 312 cooperates with the elastic rope 314 to absorb the push block 313 to slide in the opening box 317, preparing for the next seed placement.

[0053] After the seed sowing is completed, the motor 41 is started to drive the telescopic rod 2 42 to extend and retract. After adjusting the distance between the roller 43 and the ground to a suitable position, when the vehicle body 1 moves, the mulch roll on the mounting rod 2 45 automatically releases the mulch film. At the same time, the roller 43 rotates under the friction of the soil, and the roller needle 44 pierces holes in the mulch film along the sowing furrow. At the same time, the upper soil wheel 2 46 rolls the soil towards the mulch film, and the two sides are turned over to cover the mulch film roll, completing the laying of the second layer of film. The second layer of film and the first layer of film together constitute a small greenhouse environment. When the seedlings break through the soil, these small holes can achieve the effect of regulating the temperature inside the film and preventing high temperature from burning the seedlings. After it rains, water on the film can flow in from the small holes, making full and efficient use of natural rainfall, thereby increasing crop yield and sowing time.

[0054] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0055] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dual-mode covering furrowing seeder, characterized in that: The dual-mode covering furrowing seeder comprises a vehicle body (1), a primary covering unit (2), a sowing unit (3) and a secondary covering unit (4); the vehicle body (1) is placed on a horizontal foundation; the primary covering unit (2) is fixedly connected to the vehicle body (1); the primary covering unit (2) comprises a mounting rod (26); both ends of the mounting rod (26) are vertically fixedly mounted on the inner side of a vehicle frame (11) perpendicular to the horizontal foundation; a ground film roll is sleeved on the outer surface of the mounting rod (26); the sowing unit (3) is fixedly connected to the vehicle body (1); the sowing unit (3) has a function of single-grain quantitative sowing; the secondary covering unit (4) is fixedly connected to the vehicle body (1); the secondary covering unit (4) comprises a mounting rod (45); both ends of the mounting rod (45) are vertically fixedly mounted on the inner side of a vehicle frame (11) perpendicular to the horizontal foundation; a ground film roll is sleeved on the outer surface of the mounting rod (45).

2. A dual-mode covering furrow seeder according to claim 1, characterized in that: The vehicle body (1) comprises a vehicle frame (11), a front wheel (12) and a rear wheel (13); the vehicle frame (11) is placed on a horizontal foundation; the front wheel (12) is fixedly mounted on an end surface of the vehicle frame (11) close to the horizontal foundation; the rear wheel (13) is fixedly mounted on an end surface of the vehicle frame (11) close to the horizontal foundation; and the vehicle frame (11) is fixedly connected to a primary coating unit (2).

3. A dual-mode covering furrow seeder according to claim 2, characterized in that: The primary film covering unit (2) comprises a furrow opener (21), a motor (22), a telescopic rod (23), a connecting plate (24), a shaping wheel (25) and an upper soil wheel (27); the furrow opener (21) is fixedly mounted on an end of a vehicle frame (11) close to a front wheel (12); the motor (22) is fixedly mounted on an end surface of the vehicle frame (11) away from a horizontal foundation; one end of the telescopic rod (23) is fixedly connected to an output end of the motor (22), and the other end is fixedly connected to the connecting plate (24); both ends of the shaping wheel (25) are vertically fixedly connected to the connecting plate (24); and the upper soil wheel (27) is fixedly mounted on an end surface of the vehicle frame (11) close to a horizontal foundation.

4. A dual-mode covering furrow seeder according to claim 1, characterized in that: The sowing unit (3) comprises a second motor (31), a drum (32), an end cover (33), a hopper (34), a connecting rod (35), a third motor (36), a bevel gear (37), an installation box (38), a partition (39), a rotating rod (310), a lever (311), an electromagnet (312), a push block (313), an elastic rope (314), a seed outlet tube (315), an angle sensor (316) and an opening box (317). The second motor (31) is fixedly mounted on the outer side of the horizontal base frame (11) perpendicularly. The drum (32) and the second motor (31) are connected to each other. ) output end is fixedly connected, the drum (32) is mounted on the inner side of the frame (11), the drum (32) is rotatably connected to the end cover (33), the end of the hopper (34) close to the horizontal foundation is connected to the end cover (33) through a pipeline, the end of the hopper (34) perpendicular to the horizontal foundation is fixedly connected to the frame (11) through a connecting rod (35), the motor three (36) is fixedly mounted on the outer surface of the end cover (33), the output end of the motor three (36) extends into the drum (32) and is fixedly connected to one end of the rotating rod (310), and the other end of the rotating rod (310) is connected to the bevel gear ( The rotating rod (310) is connected to the drum (32) by a rotating mechanism, wherein the ... (317) is located inside one end of the center of the partition (39), one end of the elastic rope (314) is fixedly connected to the push block (313), and the other end is fixedly connected to the electromagnet (312), the push block (313) is slidably installed inside the opening box (317), the seed outlet tube (315) is opened on the drum (32) corresponding to the opening box (317), the angle sensor (316) is fixedly installed on one end of the partition (39) close to the hopper (34), a negative pressure fan vent is opened on the surface of the drum (32), and a plurality of seed passing holes are evenly opened on the surface of the partition (39).

5. The dual-mode covering furrow seeder according to claim 1, characterized in that: The secondary coating unit (4) comprises a motor four (41), a telescopic rod two (42), a roller (43), a needle roller (44) and an upper soil wheel two (46); the motor four (41) is fixedly mounted on an end surface of a frame (11) away from a horizontal foundation; one end of the telescopic rod two (42) is fixedly connected to an output end of the motor four (41), and the other end is vertically rotatably connected to the roller (43); a plurality of needle rollers (44) are evenly fixedly mounted on the side surface of the roller (43); and the upper soil wheel two (46) is fixedly mounted on an end surface of the frame (11) close to the horizontal foundation.

6. A dual-mode covering furrow seeder according to claim 4, characterized in that: A magnet is fixedly mounted on one end of the push block (313) close to the electromagnet (312), and the gravity of the push block (313) itself is 1 / 2 of the attraction force of the electromagnet (312).

7. A dual-mode covering furrow seeder according to claim 4, characterized in that: The lever (311) is provided with a groove at the same axis as the through hole.

8. The dual-mode covering furrow seeder according to claim 4, characterized in that: The angle sensor (316) is electrically connected to an external controller, and the electromagnet (312) is electrically connected to the external controller.

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