A seedling covering and watering synchronous planting device

Abstract

The application discloses a kind of seedling covering soil spraying synchronous planting device, belong to forestry seedling raising equipment field, solve the problem that existing equipment needs to be matched with pump power supply, waste material is continuously sprayed when stopping, planting spraying cannot be synchronously linked.The device contains base, ditcher, coverer, walking mechanism, spraying mechanism and seeding mechanism;Walking wheel shaft is linked with spraying and seeding mechanism respectively by tower wheel chain.Piston reciprocating pump is driven by eccentric driving disc in spraying mechanism, without electric pump, matched adjusting assembly can change the stroke of piston to adjust the amount of spraying, one-way valve is provided in pipeline to realize continuous pumping and draining;Seeding mechanism quantitatively seeds by seeding wheel with seed hole.Equipment walking is completed synchronously ditching, seeding, covering soil, spraying, seeding and spraying are stopped synchronously after stopping, water and fertilizer are saved, equipment manufacturing and maintenance cost are reduced, and it is suitable for seedling, vegetable and fruit seedling large-scale seedling raising operation.

Description

Technical Field

[0001] This invention relates to the field of forestry engineering seedling equipment technology, specifically a seedling covering and spraying simultaneous planting device. Background Technology

[0002] In large-scale planting operations of seedlings, vegetables, and fruits, seedling transplanting, soil covering, and watering are the core continuous operation procedures, which directly determine the survival rate of transplanted seedlings and planting efficiency.

[0003] In existing technologies, seedling cultivation equipment typically requires an independent pump as a power source, and needs a battery or external power supply to power the pump. This spraying method, which relies on an independent pump and power supply, has significant drawbacks: on the one hand, the inclusion of components such as pumps and batteries significantly increases equipment and maintenance costs; on the other hand, batteries need to be charged or replaced regularly, and insufficient power during field operations will affect operational efficiency.

[0004] In addition, during operation, the pump continuously supplies liquid, and the nozzles continue to spray liquid even when the equipment stops moving. Excessive local spraying can not only affect seedling growth, but also increase the cost of seedling materials. Summary of the Invention

[0005] This invention aims to solve the technical problems of existing seedling planting equipment, which requires separate pumps and power supplies, continues to spray even after the equipment stops moving, resulting in material waste, and cannot synchronize the planting and spraying processes. It provides a seedling covering and spraying synchronous planting device that uses the drive of the walking wheels to realize the synchronous start and stop of sowing and spraying, eliminating the need for a separate pump and power supply, saving materials, and reducing the cost of equipment use and maintenance.

[0006] This invention is achieved through the following technical solution:

[0007] This invention relates to a seedling covering and spraying simultaneous planting device, comprising a base, a furrow opener disposed on one side of the bottom of the base, and a soil covering device on the other side, and further comprising:

[0008] A walking mechanism is provided at the bottom of the base. The walking mechanism includes two supports symmetrically arranged at the bottom of the base. A rotating shaft is rotatably provided between the two supports. The two ends of the rotating shaft pass through the supports and are fixedly connected to wheels.

[0009] A spraying mechanism is located at the bottom of the base and is connected to the walking mechanism for spraying the seedlings.

[0010] A sowing mechanism is mounted on the base and is connected to the walking mechanism for transmission. The sowing mechanism is used to sow seeds into the furrows after the furrow opener has opened the furrows.

[0011] The spraying mechanism includes a spraying component and a linkage component;

[0012] The spraying assembly includes a fixed base, a pipette, an atomizing nozzle, a storage tank, a drain pipe, and a suction pipe. The fixed base and the atomizing nozzle are both fixedly installed on the lower side wall of the base. The pipette is fixedly installed on the fixed base, and the storage tank is fixedly installed on the upper side wall of the base. The drain pipe is located between the bottom wall of the pipette and the atomizing nozzle, and the suction pipe is located between the bottom wall of the storage tank and the pipette.

[0013] Furthermore, the linkage assembly includes a first driving tractor wheel, a first driven tractor wheel, a first transmission chain, a drive disc, a piston rod, a piston, and a movable wheel;

[0014] The first active roller is fixedly sleeved on the outside of the rotating shaft, the first driven roller is rotatably mounted on the fixed base and located above the pipette, the first transmission chain is wound between the first active roller and the first driven roller, the drive disc is disposed on the side of the first driven roller near the pipette, an annular groove is formed on one side wall of the drive disc, the piston rod slides through the upper side wall of the pipette, the piston is sealed and slidably disposed inside the pipette, the lower end of the piston rod is fixedly connected to the piston, and the movable wheel is rotatably disposed on the upper end of the piston rod and movably embedded in the annular groove.

[0015] Furthermore, the spraying assembly also includes an adjustment assembly, which includes a sliding seat, an adjustment seat, a screw, and a wrench slot;

[0016] The sliding seat is fixedly mounted on the side wall of the first driven tower wheel near the drive disc. The adjusting seat is slidably mounted inside the sliding seat. The screw is rotatably mounted on the bottom of the sliding seat. The upper end of the screw is threaded through the adjusting seat and extends to the outside of the sliding seat. The wrench groove is opened at the upper end of the screw. The drive disc is fixedly mounted on the adjusting seat.

[0017] Furthermore, a one-way valve is provided at the connection between the pipette and the drain pipe and the suction pipe;

[0018] The one-way valve connected to the drain pipe is open from the pipette to the atomizing nozzle and closed in the reverse direction.

[0019] The one-way valve connected to the pumping tube is open from the storage tank to the pipette and closed in the reverse direction.

[0020] Furthermore, the sowing mechanism includes a seed storage hopper, a shell, a sowing wheel, a second driven roller, a second driving roller, and a second transmission chain;

[0021] The seed storage hopper is fixedly installed on the upper side wall of the base, the housing is fixedly installed on the lower side wall of the base and communicates with the seed storage hopper, the seeding wheel is rotatably installed between the two side walls of the housing, one end of the seeding wheel extends to the outside of the housing and is fixedly connected to the second driven tower wheel, the second driving tower wheel is fixedly sleeved on the rotating shaft, and the second transmission chain is wound between the second driving tower wheel and the second driven tower wheel.

[0022] Furthermore, the seeding wheel is provided with multiple sets of seed transfer holes, and the bottom of the housing is provided with a seed inlet.

[0023] Furthermore, a traction ring is fixedly connected to one side wall of the base.

[0024] Furthermore, the top of the liquid storage tank is provided with a liquid filling port, and the liquid filling port is provided with a sealing cap.

[0025] Furthermore, the outer side of the wheel is provided with anti-slip texture.

[0026] The present invention has the following beneficial effects:

[0027] This invention achieves synchronized operation of planting and spraying processes by setting up a walking mechanism, a spraying mechanism, and a sowing mechanism, and by connecting the spraying and sowing mechanisms to the walking mechanism for transmission. When the wheels of the walking mechanism move, the rotating shaft simultaneously drives the spraying and sowing mechanisms to complete the integrated operation of furrowing, sowing, covering, and spraying. When the equipment stops moving, the spraying and sowing actions stop simultaneously, effectively avoiding the problem in traditional equipment where the nozzles continue to dispense liquid when the equipment is stopped due to the continuous liquid supply from an independent pump. This significantly reduces material waste and lowers material costs.

[0028] The spraying mechanism of this invention is driven by mechanical transmission, transmitting the rotational power of the walking mechanism to the piston inside the pipette to achieve reciprocating suction and spraying. This structure does not require a separate electric pump and power supply, relying entirely on the walking motion for power, which reduces equipment manufacturing and maintenance costs, and avoids the problem of insufficient power affecting work efficiency during field operations.

[0029] This invention, through the inclusion of an adjustment component, allows the operator to rotate a screw using a wrench slot, causing the adjustment seat to move up and down along the sliding seat. This changes the eccentricity of the drive disc relative to the first driven tower wheel, thereby adjusting the reciprocating stroke of the piston rod. This structure enables flexible adjustment of the spray volume within a single stroke according to actual operational needs, adapting to the varying requirements of different seedlings for inoculants or water volume, further improving material utilization accuracy, and preventing over-spraying. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of a seedling covering and spraying synchronous planting device according to the present invention.

[0031] Figure 2 This is a schematic diagram of the bottom structure of a seedling covering and spraying synchronous planting device according to the present invention.

[0032] Figure 3 This is a schematic diagram of the walking mechanism of a seedling covering and spraying synchronous planting device according to the present invention.

[0033] Figure 4 This is a schematic diagram of the spraying component structure of a seedling covering and spraying synchronous planting device according to the present invention.

[0034] Figure 5 This is a schematic diagram of the linkage component structure of a seedling covering and spraying synchronous planting device according to the present invention.

[0035] Figure 6 This is a schematic diagram of the adjustment component structure of a seedling covering and spraying synchronous planting device according to the present invention.

[0036] Figure 7 This is a schematic diagram of the sowing mechanism of a seedling covering and spraying synchronous planting device according to the present invention.

[0037] Figure 8 This is a schematic diagram of the seeding wheel structure of a seedling covering and spraying synchronous planting device according to the present invention.

[0038] In the diagram: 1. Base; 2. Trencher; 3. Covering device; 4. Traveling mechanism; 41. Support; 42. Shaft; 43. Wheel; 5. Spraying mechanism; 51. Spraying assembly; 52. Linkage assembly; 511. Fixed base; 512. Pipette; 513. Atomizing nozzle; 514. Storage tank; 515. Drain pipe; 516. Suction pipe; 521. First driving roller; 522. First driven roller; 523. First transmission chain; 524. 525. Drive disc; 526. Piston rod; 527. Piston; 5241. Movable wheel; 53. Adjusting assembly; 531. Sliding seat; 532. Adjusting seat; 533. Screw; 534. Wrench groove; 6. One-way valve; 7. Seeding mechanism; 71. Seed storage hopper; 72. Housing; 73. Seeding wheel; 74. Second driven roller; 75. Second driving roller; 76. Second transmission chain; 731. Seed transfer hole; 11. Traction ring. Detailed Implementation

[0039] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] Please see Figures 1 to 8 The present invention provides a technical solution: a seedling covering and spraying synchronous planting device, including a base 1, a furrow opener 2 set on one side of the bottom of the base 1 and a covering device 3 on the other side, and also includes a walking mechanism 4, a spraying mechanism 5 and a sowing mechanism 7.

[0041] The base 1 serves as the installation foundation for the entire device. It is made of metal sheet with sufficient strength and rigidity and is used to support and secure all other components. A furrow opener 2 is fixedly installed on the front side of the base 1's bottom. This furrow opener 2 has a sharp plowshare structure and is used to cut open the soil to form planting furrows as the device moves forward. A soil covering device 3 is fixedly installed on the rear side of the base 1's bottom. This soil covering device 3 has a V-shaped structure and is used to backfill the soil turned up by the furrow opener 2 to the base of the seedlings. Both the furrow opener 2 and the soil covering device 3 are common knowledge in the field, and their specific structures will not be described in detail here.

[0042] The walking mechanism 4 is located at the bottom of the base 1, and specifically includes two supports 41 symmetrically welded and fixed to the left and right sides of the bottom of the base 1. A horizontal rotating shaft 42 is rotatably connected between the two supports 41 via a bearing. The two ends of the rotating shaft 42 pass through the corresponding supports 41 and extend outward, with a wheel 43 fixedly connected to each extended end. When the wheel 43 rolls on the ground, it drives the rotating shaft 42 to rotate synchronously, providing walking power for the entire device.

[0043] The spraying mechanism 5 is located at the bottom of the base 1 and is connected to the rotating shaft 42 of the walking mechanism 4. The spraying mechanism 5 is used to spray the soil around the seedlings after they are planted. The sowing mechanism 7 is located on the base 1 and is also connected to the rotating shaft 42 of the walking mechanism 4. The sowing mechanism 7 is used to quantitatively sow seeds into the furrows after the furrow opener 2 opens the furrows.

[0044] The spraying mechanism 5 includes a spraying component 51 and a linkage component 52. The spraying component 51 is used to store and transport liquid, while the linkage component 52 is used to transmit the rotational power of the rotating shaft 42 to the spraying component 51.

[0045] The spraying assembly 51 includes a mounting base 511, a pipette 512, an atomizing nozzle 513, a storage tank 514, a drain pipe 515, and a suction pipe 516. The mounting base 511 is an L-shaped bracket, its top fixed to the lower side wall of the base 1 by bolts. The pipette 512 is a cylindrical container, fixed to the side wall of the mounting base 511 by bolts, used for temporary storage and squeezing of liquid. The atomizing nozzle 513 is fixedly mounted on the lower side wall of the base 1. The storage tank 514 is a closed container, fixedly mounted on the upper side wall of the base 1, used to hold large quantities of water or nutrient solution. The drain pipe 515 connects the outlet at the bottom of the pipette 512 to the inlet of the atomizing nozzle 513, used to guide the liquid squeezed out of the pipette 512 to the atomizing nozzle 513. The suction tube 516 is connected between the liquid outlet at the bottom of the liquid storage tank 514 and the liquid inlet at the bottom of the side wall of the pipette 512, and is used to draw liquid from the liquid storage tank 514 into the pipette 512.

[0046] With the above structure, when the wheel 43 moves and drives the shaft 42 to rotate, the shaft 42 simultaneously drives the linkage component 52 to operate, thereby enabling the spraying component 51 to pump and spray liquid, and also driving the sowing mechanism 7 to sow, realizing integrated synchronous operation of furrowing, sowing, covering soil and spraying. When the device stops moving, all actions stop synchronously.

[0047] In this embodiment, as Figure 3 and Figure 5 As shown, the linkage assembly 52 includes a first driving tractor wheel 521, a first driven tractor wheel 522, a first transmission chain 523, a drive disc 524, a piston rod 525, a piston 526, and a movable wheel 527.

[0048] The first driving sprocket 521 is a stepped sprocket with multiple chain grooves of different diameters. Its central hole is fixedly fitted onto the outside of the rotating shaft 42 via a key connection, and it does not rotate relative to the rotating shaft 42. The first driven sprocket 522 is also a stepped sprocket with multiple chain grooves of different diameters. It is rotatably mounted on the fixed seat 511 via bearings and is located above the pipette 512. The first transmission chain 523 is wound around the corresponding grooves of the first driving sprocket 521 and the first driven sprocket 522 to transmit the power of the first driving sprocket 521 to the first driven sprocket 522, making them rotate synchronously. The operator can adjust the transmission ratio by hanging the chain on grooves of different diameters, thereby adjusting the spray frequency. The drive disc 524 is a disc-shaped component, which is disposed on the side of the first driven sprocket 522 near the pipette 512, and the rotation center of the drive disc 524 coincides with the rotation center of the first driven sprocket 522. An annular groove 5241 is formed on one side wall of the drive disc 524, and the center of the annular groove 5241 coincides with the center of the drive disc 524. The piston rod 525 is a vertically arranged round rod, the upper part of which slides through the central hole of the upper side wall of the pipette 512. A sealing ring is provided in the central hole to prevent leakage. The piston 526 is a disc-shaped rubber, and its outer peripheral wall forms a sealing sliding fit with the inner wall of the pipette 512. The piston 526 is fixedly connected to the lower end of the piston rod 525. The upper end of the piston rod 525 extends upward outside the pipette 512, and a movable wheel 527 is rotatably mounted on the upper end via a pin. The outer diameter of the movable wheel 527 matches the width of the annular groove 5241. The movable wheel 527 is embedded in the annular groove 5241 and can slide along the annular groove 5241.

[0049] With the above structure, when the first driven roller 522 drives the drive disc 524 to rotate, the up and down position of the annular groove 5241 changes periodically, forcing the movable wheel 527 to drive the piston rod 525 to move up and down reciprocally, thereby pushing the piston 526 to slide back and forth in the pipette 512 to complete the liquid suction and discharge actions.

[0050] In this embodiment, as Figure 5 and Figure 6 As shown, the spraying assembly 51 also includes an adjustment assembly 53, which includes a sliding seat 531, an adjustment seat 532, a screw 533, and a wrench slot 534.

[0051] The sliding seat 531 is a rectangular groove structure with an opening, which is bolted to the side wall of the first driven roller 522 near the drive disc 524. The adjusting seat 532 is a slider structure adapted to the inner cavity of the sliding seat 531. It is slidably disposed inside the sliding seat 531 and can only reciprocate along the extension direction of the sliding seat 531, but cannot rotate relative to the sliding seat 531. The screw 533 is vertically disposed, and its lower end is rotatably disposed on the bottom wall of the sliding seat 531 via a bearing. The screw 533 is provided with external threads, and the external threaded portion passes upward through the threaded hole on the adjusting seat 532 and continues upward to the outside of the sliding seat 531. The wrench groove 534 is an internal hexagonal groove formed on the upper end face of the screw 533, for the operator to insert and rotate the screw 533 using an internal hexagonal wrench.

[0052] With the above structure, when the operator inserts a tool into the wrench slot 534 and rotates the screw 533, the screw 533 can only rotate but cannot move axially because it is at the bottom of the sliding seat 531, and the adjusting seat 532 is restricted from rotating by the sliding seat 531. According to the principle of thread transmission, the adjusting seat 532 will move up and down along the axial direction of the screw 533. When the adjusting seat 532 moves, it drives the drive disc 524 to move synchronously, thereby causing the rotation center of the drive disc 524 to shift relative to the rotation center of the first driven tower wheel 522. When the offset increases, the amplitude of the up and down movement of the movable wheel 527 driven by the rotation of the drive disc 524 increases, the stroke of the piston 526 becomes longer, the amount of liquid sucked and discharged in a single reciprocating motion increases, and the spray volume increases; conversely, when the eccentricity decreases, the stroke of the piston 526 becomes shorter, and the spray volume decreases.

[0053] In this embodiment, as Figure 6 As shown, a one-way valve 6 is provided at the connection between the pipette 512 and the drain pipe 515 and the suction pipe 516.

[0054] The one-way valve 6 installed at the connection of the drain pipe 515 is configured to allow liquid to flow from the inside of the pipette 512 to the atomizing nozzle 513, and to be closed in the opposite direction. The one-way valve 6 is preferably a spring-loaded check valve, ensuring that the drain passage is only opened when the pressure inside the pipette 512 increases, and the liquid is forced towards the atomizing nozzle 513.

[0055] The one-way valve 6 installed at the connection of the suction pipe 516 is set to allow liquid to flow from the reservoir 514 to the pipette 512, and is closed in the opposite direction. This one-way valve 6 ensures that the suction passage is opened only when a negative pressure is generated in the pipette 512, allowing liquid to be drawn from the reservoir 514 into the pipette 512.

[0056] Through the coordinated operation of the two check valves 6, the reciprocating motion of the piston 526 in the pipette 512 can continuously draw the liquid in the storage tank 514 into the pipette 512, and then pressurize and pump it out to the atomizing nozzle 513, forming a complete pumping cycle.

[0057] In this embodiment, as Figure 2 , Figure 7 and Figure 8 As shown, the seeding mechanism 7 includes a seed storage hopper 71, a housing 72, a seeding wheel 73, a second driven roller 74, a second driving roller 75, and a second transmission chain 76;

[0058] The seed storage hopper 71 is a funnel-shaped container, wider at the top and narrower at the bottom. Its open top is used to hold seeds, and its bottom is bolted to the upper side wall of the base 1. The shell 72 is a hollow box structure, fixedly mounted on the lower side wall of the base 1. The top inlet of the shell 72 is sealed to the bottom outlet of the seed storage hopper 71, allowing seeds in the hopper 71 to fall into the shell 72 by gravity. The sowing wheel 73 is a cylindrical wheel rotatably mounted between the two side walls of the shell 72 via bearings, and can rotate freely within the shell 72. One end of the sowing wheel 73's shaft extends outward to the outside of the shell 72, and a second driven roller 74 is fixedly connected to this extended end. The second driving roller 75 is fixedly mounted on the rotating shaft 42 via a key connection and rotates synchronously with the shaft 42. The second transmission chain 76 is wound between the second driving roller 75 and the second driven roller 74, and is used to transmit the rotational power of the rotating shaft 42 to the seeding wheel 73, driving the seeding wheel 73 to rotate inside the housing 72.

[0059] With the above structure, during operation, the rotating shaft 42 drives the second driving roller 75 to rotate, and the second driving roller 75 drives the second driven roller 74 and the seeding roller 73 to rotate synchronously through the second transmission chain 76. When the seeding roller 73 rotates, its seed transfer hole 731 passes through the seed inlet at the top of the shell 72 to receive the seedlings from the seed storage hopper 71, and then rotates to the seed outlet at the bottom of the shell 72 to place the seedlings into the trench dug by the furrow opener 2.

[0060] In this embodiment, as Figure 7As shown, multiple sets of seed-transferring holes 731 are evenly arranged around the cylindrical surface of the sowing wheel 73 along its circumference. Each set of seed-transferring holes 731 can be one or more pits of a certain depth, the volume of which is designed according to the size of the seedlings or seeds to accommodate the number of seedlings to be sown at one time. A seed-feeding opening is provided at the lowest position of the bottom of the housing 72. When the sowing wheel 73 rotates, only the seed-transferring hole 731 that rotates to the position communicating with the seed inlet inside the housing 72 will receive the seedlings; when the seed-transferring hole 731 continues to rotate to the seed-feeding opening position at the bottom of the housing 72, the seedlings in the seed-transferring hole 731 fall from the seed-feeding opening into the furrow under the action of gravity. Since the seed-transferring holes 731 are evenly distributed circumferentially, and the rotational speed of the sowing wheel 73 is related to the traveling speed through the chain drive ratio, it is possible to achieve equal spacing and quantitative sowing of seedlings.

[0061] In this embodiment, as Figure 1 and Figure 2 As shown, a traction ring 11 is fixedly connected to one side wall of the base 1. The traction ring 11 is used for the hook or pin of the external traction equipment to pass through and connect, so that the entire device can be dragged forward by the traction machinery to carry out field planting operations.

[0062] In this embodiment, as Figure 1 and Figure 4 As shown, the top of the liquid storage tank 514 is equipped with a liquid filling port, which has a sealing cap. The liquid filling port is used to inject water, nutrient solution, or medicine into the liquid storage tank 514. A sealing cap is installed on the liquid filling port via a threaded connection, and a sealing gasket is provided on the inside of the sealing cap. When the sealing cap is tightened, it can seal the liquid filling port, preventing liquid from splashing out of the liquid storage tank 514 due to bumps during the device's movement or operation, and also preventing external impurities from falling into the liquid storage tank 514 and contaminating the liquid.

[0063] In this embodiment, as Figure 1 , Figure 2 and Figure 3 As shown, the outer circumferential surface of the wheel 43 in contact with the ground is provided with uneven anti-slip patterns. These anti-slip patterns are transverse block-shaped raised patterns. When walking in soft or slippery soil in the field, these anti-slip patterns can embed into the soil, significantly increasing the adhesion coefficient between the wheel 43 and the ground, effectively preventing the wheel 43 from spinning and slipping, ensuring that the axle 42 can obtain a stable rotational power input, thereby ensuring precise synchronization between the sowing and spraying actions and the walking distance.

[0064] Working principle: When using this device, the operator first attaches it to the tail hook of a tractor or other traction machinery via the towing ring 11. Then, the operator opens the sealing cap on top of the liquid storage tank 514 and injects sufficient water or nutrient solution into the tank through the filling port. After completion, the sealing cap is tightened. Next, the seeds to be planted are loaded into the seed storage hopper 71.

[0065] Depending on the type of seedling, soil moisture, and agronomical requirements, operators can pre-adjust the spray volume. The adjustment method is as follows: insert an Allen wrench into the wrench slot 534 and rotate the screw 533, causing the adjusting seat 532 to move along the sliding seat 531, thereby changing the eccentricity of the drive disc 524 and setting a suitable piston stroke range to control the single spray volume. Simultaneously, based on the expected plant spacing, the chain groove positions of the first driving roller 521 and the first driven roller 522, as well as the chain groove positions of the second driving roller 75 and the second driven roller 74, can be selected to match the walking speed with the sowing and spraying frequency.

[0066] Once preparations are complete, the traction machine is started and moves forward. The traction machine pulls the entire device forward via the traction ring 11. As the device moves forward, the furrow opener 2 first inserts into the soil, plowing out continuous planting furrows in the field.

[0067] At the same time, wheel 43 rolls on the ground, causing axle 42 to rotate. The rotational power of axle 42 is output synchronously through two paths:

[0068] First transmission path: The rotating shaft 42 drives the first active roller 521 to rotate, which in turn drives the first driven roller 522 to rotate via the first transmission chain 523. The driven roller 522 drives the adjusting seat 532 and the drive disc 524 to rotate. Due to the eccentricity of the drive disc 524, its rotational motion is converted into the reciprocating motion of the piston rod 525 and the piston 526 within the pipette 512 via the annular groove 5241 and the movable wheel 527. When the piston 526 moves upward, a negative pressure is generated within the pipette 512, and the one-way valve 6 at the suction pipe 516 opens, drawing the liquid from the storage tank 514 into the pipette 512. When the piston 526 moves downward, the pressure within the pipette 512 increases, and the one-way valve 6 at the discharge pipe 515 opens, forcing the liquid out of the pipette 512 and delivering it through the discharge pipe 515 to the atomizing nozzle 513, where it is atomized and sprayed onto the seed planting area after the soil has been covered.

[0069] The second transmission path: The rotating shaft 42 simultaneously drives the second active tower wheel 75 to rotate, which in turn drives the second driven tower wheel 74 and the sowing wheel 73 to rotate within the housing 72 via the second transmission chain 76. During rotation, the seed transfer hole 731 on the sowing wheel 73 receives seedlings from the outlet of the seed storage hopper 71, and then, as it rotates to the seeding port at the bottom of the housing 72, the seedlings fall into the trench dug by the furrow opener 2 under the action of gravity.

[0070] After the seeds fall into the trench, as the device continues to move forward, the soil covering device 3, installed behind the base 1, backfills the trench with the soil turned over by the trench opener 2, covering the seeds. Immediately afterwards, the atomizing nozzle 513 sprays liquid onto the roots of the seedlings after soil covering, completing all the processes of transplanting, soil covering, and spraying.

[0071] When the device needs to pause its movement in the field, such as when turning or encountering obstacles, the wheels 43 stop rotating, the axle 42 stops rotating accordingly, and both the first drive roller 521 and the second drive roller 75 stop rotating. The linkage component 52 and the seeding wheel 73 immediately and synchronously stop moving. The atomizing nozzle 513 stops dispensing liquid, and the seeding wheel 73 stops planting seeds, thus avoiding the material waste caused by the continuous spraying of nozzles when the traditional equipment stops. After the traction machinery restarts its movement, all processes automatically resume synchronously, achieving a synchronized linkage effect of operation upon movement and pause upon stopping.

[0072] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A seedling covering and spraying simultaneous planting device, comprising a base (1), a furrow opener (2) disposed on one side of the bottom of the base (1), and a soil covering device (3) on the other side, characterized in that, Also includes: The walking mechanism (4) is located at the bottom of the base (1). The walking mechanism (4) includes two supports (41) symmetrically arranged at the bottom of the base (1). A rotating shaft (42) is rotatably provided between the two supports (41). The two ends of the rotating shaft (42) pass through the supports (41) and are fixedly connected to wheels (43). A spraying mechanism (5) is located at the bottom of the base (1) and is connected to the walking mechanism (4) for transmission. The spraying mechanism (5) is used to spray the seedlings. The sowing mechanism (7) is set on the base (1) and is connected to the walking mechanism (4) for sowing seeds into the furrow after the furrow opener (2) opens the furrow; The spraying mechanism (5) includes a spraying component (51) and a linkage component (52); The spraying assembly (51) includes a fixed base (511), a pipette (512), an atomizing nozzle (513), a storage tank (514), a drain pipe (515), and a suction pipe (516). The fixed base (511) and the atomizing nozzle (513) are both fixedly installed on the lower side wall of the base (1). The pipette (512) is fixedly installed on the fixed base (511). The storage tank (514) is fixedly installed on the upper side wall of the base (1). The drain pipe (515) is installed between the bottom wall of the pipette (512) and the atomizing nozzle (513). The suction pipe (516) is installed between the bottom wall of the storage tank (514) and the pipette (512).

2. The seedling covering and spraying synchronous planting device according to claim 1, characterized in that: The linkage component (52) includes a first driving cam (521), a first driven cam (522), a first transmission chain (523), a drive disc (524), a piston rod (525), a piston (526), ​​and a movable wheel (527). The first driving roller (521) is fixedly sleeved on the outside of the rotating shaft (42), and the first driven roller (522) is rotatably mounted on the fixed base (511) and located above the pipette (512). The first transmission chain (523) is wound between the first driving roller (521) and the first driven roller (522). The drive disc (524) is located on the side of the first driven roller (522) near the pipette (512). An annular groove (5241) is provided on one side wall of the drive disk (524). The piston rod (525) slides through the upper side wall of the pipette (512). The piston (526) is sealed and slidably disposed in the pipette (512). The lower end of the piston rod (525) is fixedly connected to the piston (526). The movable wheel (527) is rotatably disposed at the upper end of the piston rod (525) and is movably embedded in the annular groove (5241).

3. The seedling covering and spraying synchronous planting device according to claim 2, characterized in that: The spraying assembly (51) also includes an adjustment assembly (53), which includes a sliding seat (531), an adjustment seat (532), a screw (533), and a wrench slot (534). The sliding seat (531) is fixedly mounted on the side wall of the first driven tower wheel (522) near the drive disc (524). The adjusting seat (532) is slidably mounted inside the sliding seat (531). The screw (533) is rotatably mounted on the bottom of the sliding seat (531). The upper end of the screw (533) is threaded through the adjusting seat (532) and extends to the outside of the sliding seat (531). The wrench groove (534) is opened at the upper end of the screw (533). The drive disc (524) is fixedly mounted on the adjusting seat (532).

4. The seedling covering and spraying synchronous planting device according to claim 1, characterized in that: One-way valves (6) are provided at the connection points of the pipette (512), the drain pipe (515), and the suction pipe (516); The one-way valve (6) connected to the drain pipe (515) is open from the pipette (512) to the atomizing nozzle (513) and closed in the reverse direction; The one-way valve (6) connected to the liquid extraction tube (516) is open from the liquid storage tank (514) to the liquid transfer tube (512), and closed in the reverse direction.

5. The seedling covering and spraying synchronous planting device according to claim 1, characterized in that: The seeding mechanism (7) includes a seed storage hopper (71), a shell (72), a seeding wheel (73), a second driven roller (74), a second driving roller (75), and a second transmission chain (76). The seed storage hopper (71) is fixedly installed on the upper side wall of the base (1), the housing (72) is fixedly installed on the lower side wall of the base (1) and communicates with the seed storage hopper (71), the seeding wheel (73) is rotatably installed between the two side walls of the housing (72), one end of the seeding wheel (73) extends to the outside of the housing (72) and is fixedly connected to the second driven tower wheel (74), the second driving tower wheel (75) is fixedly sleeved on the rotating shaft (42), and the second transmission chain (76) is wound between the second driving tower wheel (75) and the second driven tower wheel (74).

6. The seedling covering and spraying synchronous planting device according to claim 5, characterized in that: The seeding wheel (73) is provided with multiple sets of seed transfer holes (731) on its upper ring, and the bottom of the housing (72) is provided with a seed inlet.

7. The seedling covering and spraying synchronous planting device according to claim 1, characterized in that: A traction ring (11) is fixedly connected to one side wall of the base (1).

8. The seedling covering and spraying synchronous planting device according to claim 1, characterized in that: The top of the liquid storage tank (514) is provided with a liquid filling port, and the liquid filling port is provided with a sealing cap.

9. The seedling covering and spraying synchronous planting device according to claim 1, characterized in that: The outer side of the wheel (43) is provided with anti-slip texture.

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