Seeding machine for intelligent agricultural planting

Abstract

The invention discloses a seeding machine for intelligent agricultural planting, and relates to the technical field of agricultural planting machines, when a driver operates a tractor to adjust a large direction or turn around, a seeding hanger can be automatically jacked up to leave the ground, and at the moment, the power of an independent walking wheel of the seeding hanger to leave the ground is released, so that the seeding operation of a seeding roller in the seeding hanger is cut off; even if the negative pressure type material distribution mechanism is still in a material suction state, the seeding hanging tool does not continue a series of operation steps such as ditching, seed metering, soil covering and pressing, the effect that seeding operation is cut off during steering which is relatively close to actual production is achieved, and ditching, soil covering and pressing operations are synchronously stopped to prevent damage to the periphery of a field during steering, so that the production efficiency is improved. The uniformity and the high efficiency of the seeding operation are further ensured, and the adverse effects caused by the fact that a power source cannot be disconnected when a traction machine tool steers to adjust a machine position and an operation area and the seeding operation is still continued are eliminated.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural planting machinery and tools, and in particular to a smart agricultural planting seeder. Background Art

[0002] A seeder is a planting machine that sows crop seeds and can complete a series of actions such as furrowing, seed placement, soil covering and pressing during the sowing process, thereby greatly improving people's planting efficiency for crops such as corn, peanuts, and beans, and effectively reducing the amount of labor and labor intensity of farmers during planting operations.

[0003] For example, a seeder for agricultural planting with publication number CN119302087A is provided, by providing a round shell, a rotating shaft, a motor, conveying blades and mounting parts, so that fertilizer or seeds enter the round shell through a feed pipe and are temporarily stored between two adjacent conveying blades. As the conveying blades rotate forward, they are discharged from a discharge pipe to achieve the effect of fertilizing and sowing; at the same time, by providing a first mounting sleeve, a second mounting sleeve, a sealing piece, a connecting block, a connecting sleeve, a protrusion, a spiral groove and an operating shaft, the position of the conveying blade is first adjusted and fixed, and then the sealing piece is rotated to open the gap of the conveying blade, so that the fertilizer and seeds can flow continuously and be smoothly discharged from the recovery pipe, effectively improving the work efficiency of the entire recovery operation.

[0004] At present, the automation and intelligence of agricultural planting are gradually deepening, and the functions and operating efficiency of seed drills have been gradually improved and perfected. However, most automated seed drills will face a common problem when they are put into actual production: the seed drills are often connected to the traction equipment by traction. In large-scale mass production and standard field production operations, most seed drills generally follow the traction equipment. Some use their own walking force as the power source output, and some directly connect the seed drill with the driving force source of the traction equipment to achieve power transmission. No matter which method is used as the power source, there will be a problem: when the traction equipment turns to adjust the machine position and the working area, the power source will not be disconnected, and the sowing work will continue: Traction equipment often operates in a straight line. After running to the end, it needs to change direction to continue the next straight line sowing operation. During the change of direction, whether it is a traction equipment as an output power or a traction seeder that uses its own walking as a power source, it will continue to maintain the working posture, that is, a series of operating steps such as trenching, seeding, covering and pressing are still in progress. This leads to chaotic sowing near the edge of the farmland during sowing operations, and the equipment often uses the ridges when changing direction, which inevitably causes a certain degree of tilt, forcing the seeder to walk to a slightly higher ridge and continue a series of operating steps such as trenching, seeding, covering and pressing at the intersection of the ridges, which will further deepen the chaos of sowing in the edge area of ​​the field when the direction is changed, and cause some waste of crop seeds.

[0005] In response to the above problems, it is urgently necessary to carry out innovative designs based on the original smart agricultural planting seeders. Summary of the invention

[0006] The technical solution of the present invention aims at the technical problem that the existing technical solutions are too single, and provides a solution that is significantly different from the existing technologies. Specifically, the purpose of the present invention is to provide a smart agricultural planting seeder to solve the problem that the traction equipment proposed in the above-mentioned background technology is often arranged in a straight line. After running to the end, it is necessary to turn around and continue the next row of straight sowing operations. During the direction change, whether it is a traction seeder that uses a traction equipment as an output power or uses its own walking as a power source, it will continue to maintain the working posture, that is, a series of operating steps such as furrowing, seeding, covering and pressing are still in progress, which leads to chaotic sowing near the edge of the farmland during sowing operations, and the equipment often borrows the ridge when turning direction, and it is inevitable that a certain degree of tilt will occur, which will force the seeder to walk to a slightly higher ridge and continue a series of operating steps such as furrowing, seeding, covering and pressing at the intersection of the ridges, which will further deepen the chaos of sowing in the edge area of ​​the field when the direction is changed, and cause the problem of waste of some crop seeds.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a smart agricultural planting seeder, comprising a tractor, a sowing hanger towed by the tractor, and a steering power system installed at the front end of the tractor, and also comprising a support plate fixed to the bottom of the tractor for support, a driven shaft rotatably installed on the upper surface of the support plate and driven to rotate by the steering power system, and a paddle fixed to the outer wall of the driven shaft for lifting the sowing hanger when the tractor turns sharply, a pin shaft that can serve as a rotation center for the sowing hanger to rotate is arranged between the sowing hanger and the tractor, and a driven rotating plate that can follow the steering of the tractor and adaptively deflect is fixed to the outer wall of the driven shaft.

[0008] Preferably, the power output shaft of the tractor is connected to the power input shaft of the sowing hanger through a multi-stage transmission rod, and a telescopic rod that can adaptively shrink as the sowing hanger rotates is installed at the center of the multi-stage transmission rod.

[0009] Preferably, guide wheels are symmetrically mounted on the front end of the tractor, and a steering plate is provided between the two guide wheels, and the steering plate is controlled by a power steering system.

[0010] Preferably, a vertical plate is fixed on the upper surface of the support plate, and an adjustment rod is slidably installed inside the vertical plate, an arc plate corresponding to the position of the paddle is fixed at one end of the adjustment rod, and a push block is fixed at the other end of the adjustment rod.

[0011] Preferably, the surface of one side of the push block away from the support plate is designed to be arc-shaped, and the outer surface of the push block is fitted with a push rod fixedly connected to the sowing hanger, and the contact end of the push rod and the push block is designed to be hemispherical.

[0012] Preferably, the paddles are symmetrically arranged on the outer wall of the driven shaft about the central axis of the adjusting rod, and the outer ends of the paddles away from the driven shaft are chamfered.

[0013] Preferably, a return spring is wound around the outer wall of the adjusting rod, one end of the return spring is welded to the side of the support plate, and the other end of the return spring is fixed to the side wall of the push block.

[0014] Preferably, first pin grooves are symmetrically provided at both ends of the driven rotating plate, and a first pin rod is slidably provided inside the first pin groove, and the end of the first pin rod is rotatably connected to a transverse pull plate.

[0015] Preferably, second pin grooves are symmetrically provided at both ends of the steering plate, and a second pin rod is slidably provided inside the second pin groove, and the end of the second pin rod is rotatably connected to the transverse pull plate.

[0016] Preferably, the two ends of the steering plate are symmetrically provided with third pin grooves, and a third pin rod is slidably arranged inside the third pin groove, and the end of the third pin rod is rotatably connected to one end of a connecting plate, and the other end of the connecting plate is fixed to the outer wall of the central axis of the guide wheel; The central shaft and the guide wheel are rotationally connected.

[0017] Compared with the prior art, the present invention has the following beneficial effects: When the driver operates the tractor to control the steering of the guide wheel through the steering power system, the steering plate moves horizontally and generates a push-pull effect in the same direction on the third pin rods on both sides through the third pin grooves on both sides, so that the third pin rods on both sides push the connecting plates and the guide wheels on both sides in the same direction with the same stroke, thereby making the guide wheels on both sides rotate at the same angle. At the same time, when the steering plate moves horizontally, it will generate a horizontal push-pull force in the opposite direction on the second pin rods on both sides through the second pin grooves on both sides, so that the second pin rods on both sides drive the transverse pull plates on both sides to move forward and backward. Similarly, the two transverse pull plates with the same stroke and forward and backward movement will generate a horizontal forward and reverse push-pull effect on the first pin grooves symmetrically arranged on both sides of the driven rotating plate through the first pin rods on both sides, so that the driven rotating plate drives the driven rotating plate and the paddle to deflect, and the direction of the deflection is consistent with the deflection direction of the guide wheel. When the tractor adjusts the driving angle slightly to ensure the linearity of the sowing operation, it will not affect the normal sowing operation, which is in line with the actual production.

[0018] When the guide wheel deflects greatly, the synchronously rotating paddle will contact and squeeze the arc-shaped inner end of the adjusting rod to make the adjusting rod slide outward through the vertical plate. At the same time, the adjusting rod will synchronously push the push rod through the push block to make the sowing hanger rotate around the pin axis, so that the sowing hanger is completely lifted off the ground, and the height off the ground is controlled by the deflection amplitude of the guide wheel. In simple terms, when the guide wheel deflects greatly, that is, when the driver operates the tractor to adjust the general direction or turn around, the sowing hanger will be automatically lifted off the ground. At this time, the independent walking wheel of the sowing hanger is lifted off the ground by force. The sowing operation of the sowing roller of the sowing hanger is disconnected, and even if the negative pressure material placing mechanism is still in the material sucking state, the sowing hanger no longer continues a series of operation steps such as furrowing, seeding, covering and pressing, so as to achieve the effect of disconnecting the sowing operation when turning which is more in line with the actual production, and the operations such as furrowing, covering and pressing are stopped synchronously to prevent damage to the surrounding area of ​​the field when turning, further ensuring the uniformity and efficiency of the sowing operation, and eliminating the adverse effect caused by the power source not being disconnected when the traction equipment is turned to adjust the machine position and the working area, and the sowing work is still continuing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a first stereoscopic schematic diagram of the traction machine of the present invention when it is moving straight.

[0020] Figure 2 It is a second stereoscopic schematic diagram of the traction machine of the present invention when it is moving straight.

[0021] Figure 3 It is a first stereoscopic schematic diagram of the tractor of the present invention when turning.

[0022] Figure 4 It is a second stereoscopic schematic diagram of the tractor of the present invention when turning.

[0023] Figure 5 It is a three-dimensional schematic diagram of the normal operation of the sowing hanger when the tractor of the present invention is moving straight.

[0024] Figure 6 It is a three-dimensional schematic diagram of the sowing hanger being lifted up when the tractor of the present invention turns.

[0025] Figure 7 It is a schematic diagram of the angles of the driven shaft and the driven rotating plate when the traction machine of the present invention is moving straight.

[0026] Figure 8 It is a schematic diagram of the driven shaft and the driven turning plate after the angles are deflected when the traction machine of the present invention turns.

[0027] Fig. 9 For the present invention Figure 6 Enlarged structural diagram at A in the middle.

[0028] In the figure: 1. tractor; 2. seeding hanger; 21. telescopic rod; 3. power steering system; 31. guide wheel; 4. support plate; 41. vertical plate; 42. adjustment rod; 43. push block; 44. return spring; 45. push rod; 5. driven shaft; 51. paddle; 6. driven rotating plate; 61. first pin groove; 62. first pin rod; 7. horizontal pull plate; 8. steering plate; 81. second pin groove; 82. second pin rod; 83. third pin groove; 84. third pin rod; 85. connecting plate; 9. pin shaft. DETAILED DESCRIPTION

[0029] 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.

[0030] See also Figures 1 to 9 The present invention provides a technical solution: a smart agricultural planting seeder, comprising a tractor 1, a sowing hanger 2 towed by the tractor 1, and a steering assist system 3 installed at the front end of the tractor 1, and also comprising a support plate 4 fixed to the bottom of the tractor 1 for support, a driven shaft 5 rotatably installed on the upper surface of the support plate 4 and driven to rotate by the steering assist system 3, and a paddle 51 fixed to the outer wall of the driven shaft 5 for lifting the sowing hanger 2 when the tractor 1 turns sharply, a pin shaft 9 which can be used as a rotation center for the sowing hanger 2 to rotate is arranged between the sowing hanger 2 and the tractor 1, and a driven rotating plate 6 which can follow the steering of the tractor 1 and adaptively deflect is fixed to the outer wall of the driven shaft 5.

[0031] In the specific implementation, in the prior art, the tractor 1 is traction-connected to the sowing hanger 2 through the pin shaft 9, and the sowing hanger 2 has an independent walking mechanism. The independent walking mechanism of the sowing hanger 2 serves as the power source for sowing and discharging, and the output power shaft of the tractor 1 is connected to the negative pressure feeding mechanism of the sowing hanger 2 through a multi-stage transmission rod and serves as its power source. That is to say, when the tractor 1 turns normally, the power of the tractor 1 will not be disconnected, so the negative pressure feeding mechanism of the sowing hanger 2 will not be disconnected and the independent walking mechanism of the sowing hanger 2 is also in operation, so the entire sowing production operation continues during the steering adjustment process of the tractor 1.

[0032] As a further implementation scheme of the present invention, the power output shaft of the tractor 1 is connected to the power input shaft of the sowing hanger 2 through a multi-stage transmission rod, and a telescopic rod 21 that can adaptively retract as the sowing hanger 2 rotates is installed at the center of the multi-stage transmission rod.

[0033] In a specific implementation, since the power output shaft of the traction machine 1 is connected to the sowing hanger 2 through a multi-stage transmission rod, the transmission rod in the middle of the multi-stage transmission rod is changed into a telescopic rod 21 with an adaptively adjustable length. Even when the sowing hanger 2 is lifted up, the adaptive contraction of the telescopic rod 21 can satisfy the rotation of the sowing hanger 2 around the pin shaft 9, while ensuring that the power output remains connected.

[0034] As a further embodiment of the present invention, guide wheels 31 are symmetrically installed at the front end of the tractor 1 , and a steering plate 8 is arranged between the two guide wheels 31 , and the steering plate 8 is controlled by the steering assist system 3 .

[0035] In a specific implementation, the power steering system 3 will synchronously drive the steering plate 8 to move horizontally when the driver turns the steering wheel. Vehicle power steering is a relatively common existing technology, which includes mechanical power steering, hydraulic power steering and electric power steering, which will not be described in detail here.

[0036] As a further implementation scheme of the present invention, a vertical plate 41 is fixed to the upper surface of the support plate 4, and an adjusting rod 42 is slidably installed inside the vertical plate 41, an arc plate corresponding to the position of the paddle 51 is fixed to one end of the adjusting rod 42, and a push block 43 is fixed to the other end of the adjusting rod 42.

[0037] In specific implementation, when the guide wheel 31 deflects significantly, the rotation angle of the paddle 51 will also change significantly, contacting and squeezing the arc-shaped inner end of the adjusting rod 42, so that the adjusting rod 42 passes through the vertical plate 41 to slide outward and compress the reset spring 44. At the same time, the horizontally displaced adjusting rod 42 will synchronously push the push rod 45 through the push block 43. Since the push rod 45 is fixedly connected to the frame of the sowing hanger 2, the pushed push rod 45 will rotate together with the sowing hanger 2 with the pin shaft 9 as the axis, so that the sowing hanger 2 is completely lifted off the ground, and the height off the ground is controlled by the deflection amplitude of the guide wheel 31.

[0038] As a further implementation scheme of the present invention, the side surface of the push block 43 away from the support plate 4 is designed to be arc-shaped, and the outer surface of the push block 43 is fitted with a push rod 45 fixedly connected to the sowing hanger 2, and the contact end of the push rod 45 and the push block 43 is designed to be hemispherical.

[0039] In a specific implementation, the hemispherical end of the push rod 45 is in correspondence with the arc-shaped outer surface of the push block 43 , which helps to stabilize the contact when the push block 43 squeezes the push rod 45 and prevents contact jumping due to the presence of edges and corners.

[0040] As a further embodiment of the present invention, the paddle 51 is symmetrically arranged on the outer wall of the driven shaft 5 about the central axis of the adjustment rod 42, and the outer end of the paddle 51 away from the driven shaft 5 is chamfered.

[0041] In a specific implementation, when the guide wheel 31 deflects significantly, the rotation angle of the paddle 51 will also change significantly, contacting and squeezing the arc-shaped inner end of the adjusting rod 42. At the same time, the two groups of paddles 51 arranged symmetrically can ensure that the driven shaft 5 can contact and squeeze the arc-shaped inner end of the adjusting rod 42 regardless of whether it rotates forward or reverse. At the same time, a certain gap is reserved between the paddle 51 and the arc-shaped inner end of the adjusting rod 42. The purpose is that when the guide wheel 31 deflects slightly, the paddle 51 will not push the adjusting rod 42. In other words, the driver's operation of the tractor 1 to fine-tune the angle during the sowing operation will not cause the sowing hanger 2 to be lifted, and the safety range of the fine-tuning can be determined by the size of the gap reserved between the paddle 51 and the adjusting rod 42.

[0042] As a further embodiment of the present invention, a return spring 44 is wound around the outer wall of the adjustment rod 42 , and one end of the return spring 44 is welded to the side of the support plate 4 , and the other end of the return spring 44 is fixed to the side wall of the push block 43 .

[0043] In a specific implementation, the reset spring 44 is only provided to assist the adjustment rod 42 in resetting at the end of the turn, so as to prevent the mechanical setback caused by excessive clearance when the adjustment rod 42 is not reset and is pressed and squeezed again.

[0044] As a further implementation scheme of the present invention, first pin grooves 61 are symmetrically provided at both ends of the driven rotating plate 6, and a first pin rod 62 is slidably provided inside the first pin groove 61, and the end of the first pin rod 62 is rotatably connected to the transverse pull plate 7.

[0045] In the specific implementation, the two transverse pull plates 7 will always maintain a posture with opposite movement directions and the same stroke when dynamic changes occur, and the two transverse pull plates 7 will always maintain opposite movement directions and the same stroke. The first pin rods 62 on both sides will produce a horizontal positive and negative push and pull effect on the first pin grooves 61 symmetrically arranged on both sides of the driven rotating plate 6, so that the driven rotating plate 6 drives the driven rotating plate 6 and the paddle 51 to deflect, and the deflection direction is consistent with the deflection direction of the guide wheel 31.

[0046] As a further embodiment of the present invention, second pin grooves 81 are symmetrically provided at both ends of the steering plate 8, and a second pin rod 82 is slidably provided inside the second pin groove 81, and the end of the second pin rod 82 is rotatably connected to the transverse pull plate 7.

[0047] In a specific implementation, when the steering plate 8 moves horizontally, the second pin grooves 81 on both sides will generate opposite horizontal push-pull forces (and the push-pull strokes are the same) on the second pin rods 82 on both sides, thereby causing the second pin rods 82 on both sides to drive the transverse pull plates 7 on both sides to move forward and reversely.

[0048] As a further embodiment of the present invention, the two ends of the steering plate 8 are symmetrically provided with third pin grooves 83, and the third pin rod 84 is slidably provided inside the third pin groove 83, and the end of the third pin rod 84 is rotatably connected to one end of a connecting plate 85, and the other end of the connecting plate 85 is fixed to the outer wall of the central axis of the guide wheel 31; The central shaft and the guide wheel 31 are rotationally connected.

[0049] In a specific implementation, the steering plate 8 will produce a push-pull effect in the same direction on the third pin rods 84 on both sides through the third pin grooves 83 on both sides, so that the third pin rods 84 on both sides push the connecting plates 85 and guide wheels 31 on both sides in the same direction with the same stroke, thereby making the guide wheels 31 on both sides rotate at the same angle, thereby realizing steering.

[0050] Working principle: When using the smart agricultural planting seeder, it should be noted that in the prior art, the tractor 1 is connected to the sowing hanger 2 by a traction method through a pin shaft 9. The sowing hanger 2 has an independent walking mechanism. The independent walking mechanism of the sowing hanger 2 serves as a power source for sowing and discharging, and the output power shaft of the tractor 1 is connected to the negative pressure feeding mechanism of the sowing hanger 2 through a multi-stage transmission rod and serves as its power source. That is to say, when the tractor 1 turns normally, the power of the tractor 1 will not be disconnected, so the negative pressure feeding mechanism of the sowing hanger 2 will not be disconnected and the independent walking mechanism of the sowing hanger 2 is also in operation. Therefore, the entire sowing production operation continues during the steering adjustment process of the tractor 1.

[0051] The specific sowing process of the sowing hanger 2 in the present invention is as follows: the driving power of the tractor 1 is used as an output source to provide negative pressure power for the negative pressure spreading mechanism, and the force generated when the sowing hanger 2 walks independently is used as the power source for the rotation of the discharge roller. During normal operation, the negative pressure spreading mechanism generates negative pressure suction from the inside of the discharge roller and adsorbs the seeds through the fine holes evenly distributed on the surface of the discharge roller. As the discharge roller rotates, the adsorbed seeds will enter the discharge pipe accordingly and be scraped off and fall along the discharge pipe into the distribution groove opened by the furrowing plow below, achieving the effect of adaptive sowing. Finally, the scraper at the end of the sowing hanger 2 backfills and levels the distribution groove. This is the approximate working principle of the sowing hanger 2, which is the prior art and will not be elaborated in detail in the present invention.

[0052] When the worker operates the tractor 1 to control the steering wheel 31 to turn through the steering power system 3, first, Figure 5 and Figure 7 As shown, the steering assist system 3 will synchronously drive the steering plate 8 to move horizontally when the driver's steering wheel turns (vehicle steering assist is a relatively common prior art, including mechanical steering assist, hydraulic steering assist and electric steering assist, which will not be described in detail here). Figure 8 When moving horizontally as shown, the steering plate 8 will produce a push-pull effect in the same direction on the third pin rods 84 on both sides through the third pin grooves 83 on both sides, so that the third pin rods 84 on both sides push the connecting plates 85 and the guide wheels 31 on both sides in the same direction with the same stroke, thereby making the guide wheels 31 on both sides rotate at the same angle, thereby realizing steering.

[0053] At the same time, when the steering plate 8 moves horizontally, it will generate a horizontal push-pull force in the opposite direction (and the push-pull stroke is the same) on the second pin rods 82 on both sides through the second pin grooves 81 on both sides, so that the second pin rods 82 on both sides drive the transverse pull plates 7 on both sides to move in the forward and reverse directions. Similarly, the two transverse pull plates 7 with the same stroke and moving in the forward and reverse directions will generate a horizontal forward and reverse push-pull effect on the first pin grooves 61 symmetrically arranged on both sides of the driven rotating plate 6 through the first pin rods 62 on both sides, so that the driven rotating plate 6 drives the driven rotating plate 6 and the paddle 51 to deflect, and the deflection direction is consistent with the deflection direction of the guide wheel 31.

[0054] Then, if Figure 7 and Fig. 9 As shown, a certain gap is reserved between the paddle 51 and the arc-shaped inner end of the adjusting rod 42, so that when the guide wheel 31 is slightly deflected, the paddle 51 will not push the adjusting rod 42, that is, the driver's operation of the tractor 1 to fine-tune the angle during the sowing operation will not cause the sowing hanger 2 to be lifted, and the safety range of the fine-tuning can be determined by the size of the gap reserved between the paddle 51 and the adjusting rod 42. Subsequently, when the guide wheel 31 is greatly deflected, the rotation angle of the paddle 51 will also change greatly, contacting and squeezing the arc-shaped inner end of the adjusting rod 42, so that The adjusting rod 42 penetrates the vertical plate 41 to slide outward and compress the reset spring 44. At the same time, the adjusting rod 42 with horizontal displacement will synchronously push the push rod 45 through the push block 43. Since the push rod 45 is fixedly connected to the frame of the sowing hanger 2, the pushed push rod 45 will rotate together with the sowing hanger 2 with the pin shaft 9 as the axis, so that the sowing hanger 2 is completely lifted off the ground, and the height off the ground is controlled by the deflection amplitude of the guide wheel 31. The greater the deflection amplitude of the guide wheel 31, the higher the height of the sowing hanger 2 off the ground. At the same time, since the power output shaft of the tractor 1 is The multi-stage transmission rod is connected with the sowing hanger 2 by power. Therefore, in the present invention, the transmission rod in the middle of the multi-stage transmission rod is changed into a telescopic rod 21 with an adaptively adjustable length. Even when the sowing hanger 2 is lifted up, the adaptive contraction of the telescopic rod 21 can satisfy the rotation of the sowing hanger 2 around the pin shaft 9 while ensuring that the power output remains connected. When the guide wheel 31 deflects a large amount, that is, when the driver operates the tractor 1 to adjust the general direction or turn around, the sowing hanger 2 will be automatically lifted off the ground, and the power of the independent walking wheel of the sowing hanger 2 to leave the ground is released. Therefore, the sowing operation of the sowing roller of the sowing hanger 2 is disconnected. Even if the negative pressure material distribution mechanism is still in the material suction state, the sowing hanger 2 no longer continues a series of operation steps such as furrowing, seeding, covering and pressing, so as to achieve the effect of disconnecting the sowing operation when turning, which is more in line with the actual production. In addition, the operations such as furrowing, covering and pressing are stopped simultaneously to prevent damage to the surrounding area of ​​the field when turning, further ensuring the uniformity and efficiency of the sowing operation. In addition, when the tractor 1 slightly adjusts the driving angle to ensure the linearity of the sowing operation, it will not affect the normal sowing operation, which is in line with the actual production.

[0055] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A smart agricultural planting seeder, comprising a tractor (1), a sowing hanger (2) towed by the tractor (1), and a steering assist system (3) installed at the front end of the tractor (1), characterized in that: It also includes a support plate (4) fixed to the bottom of the tractor (1) for support, a driven shaft (5) rotatably mounted on the upper surface of the support plate (4) and driven to rotate by the steering power system (3), and a paddle (51) fixed to the outer wall of the driven shaft (5) for lifting the sowing hanger (2) when the tractor (1) turns sharply, a pin shaft (9) that can serve as a rotation center for the sowing hanger (2) to rotate is provided between the sowing hanger (2) and the tractor (1), and a driven rotating plate (6) that can follow the steering of the tractor (1) and adaptively deflect is fixed to the outer wall of the driven shaft (5).

2. The smart agricultural planting seeder according to claim 1, characterized in that: The power output shaft of the tractor (1) is connected to the power input shaft of the sowing hanger (2) via a multi-stage transmission rod, and a telescopic rod (21) that can adaptively retract as the sowing hanger (2) rotates is installed at the center of the multi-stage transmission rod.

3. The smart agricultural planting seeder according to claim 1, characterized in that: The front end of the tractor (1) is symmetrically provided with guide wheels (31), a steering plate (8) is provided between the two guide wheels (31), and the steering plate (8) is controlled by a steering assist system (3).

4. The smart agricultural planting seeder according to claim 1, characterized in that: A vertical plate (41) is fixed on the upper surface of the support plate (4), and an adjusting rod (42) is slidably installed inside the vertical plate (41), an arc-shaped plate corresponding to the position of the paddle (51) is fixed to one end of the adjusting rod (42), and a push block (43) is fixed to the other end of the adjusting rod (42).

5. The smart agricultural planting seeder according to claim 4, characterized in that: The surface of the push block (43) on one side away from the support plate (4) is designed to be arc-shaped, and a push rod (45) fixedly connected to the sowing hanger (2) is provided on the outer surface of the push block (43), and the contact end of the push rod (45) and the push block (43) is designed to be hemispherical.

6. The smart agricultural planting seeder according to claim 4, characterized in that: The paddle (51) is symmetrically arranged on the outer wall of the driven shaft (5) about the central axis of the adjustment rod (42), and the outer end of the paddle (51) away from the driven shaft (5) is chamfered.

7. The smart agricultural planting seeder according to claim 4, characterized in that: A return spring (44) is wound around the outer wall of the adjustment rod (42), one end of the return spring (44) is welded to the side of the support plate (4), and the other end of the return spring (44) is fixed to the side wall of the push block (43).

8. The smart agricultural planting seeder according to claim 3, characterized in that: The driven rotating plate (6) is symmetrically provided with first pin grooves (61) at both ends, and a first pin rod (62) is slidably arranged inside the first pin groove (61), and the end of the first pin rod (62) is rotatably connected to the transverse pull plate (7).

9. The smart agricultural planting seeder according to claim 8, characterized in that: The two ends of the steering plate (8) are symmetrically provided with second pin grooves (81), and a second pin rod (82) is slidably arranged inside the second pin groove (81), and the end of the second pin rod (82) is rotatably connected to the transverse pull plate (7).

10. The smart agricultural planting seeder according to claim 8, characterized in that: The two ends of the steering plate (8) are symmetrically provided with third pin grooves (83), and a third pin rod (84) is slidably provided inside the third pin groove (83), and the end of the third pin rod (84) is rotatably connected to one end of a connecting plate (85), and the other end of the connecting plate (85) is fixed to the outer wall of the central axis of the guide wheel (31); The central shaft and the guide wheel (31) are rotationally connected.

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