A sweet potato seedling side-inserting transplanting machine and a transplanting method

Abstract

The present invention relates to a sweet potato seedling side-inserting transplanting machine and a transplanting method. A sweet potato seedling side-inserting transplanting machine includes a frame equipped with a traveling device, a rice transplanting device, an electric drive system, and a sweet potato seedling conveying device; the electric drive system transmits the electric energy of the battery pack to the rice transplanting device, the sweet potato seedling conveying device, and drives the frame to move; the rice transplanting device and the sweet potato seedling conveying device are adapted; the present invention uses the sweet potato seedling conveying device to automatically convey the sweet potato seedlings to the seedling planting claws of the rice transplanting device in sequence, and side-insert the sweet potato seedlings onto the ridges; realizing the planting of sweet potato seedlings in a direction perpendicular to the ridges of the field, effectively increasing the planting quantity of sweet potato seedlings per unit, and improving the transplanting efficiency of sweet potato seedlings.

Description

Technical Field

[0001] The present invention relates to the technical field of crop transplanting machinery, especially to the field of sweet potato seedling transplanting, and specifically refers to a side-inserting transplanting machine for sweet potato seedlings and a transplanting method. Background Technique

[0002] Sweet potato is a kind of food crop with rich nutrition, wide uses, high and stable yields. The planting area and total output of sweet potatoes in China rank first in the world. At present, the transplanting method of sweet potatoes in China is mostly bare-seedling transplanting. The uniqueness of bare seedlings brings certain difficulties to the development of transplanting machinery, and the research on bare-seedling transplanting technology has been in a slow development state.

[0003] The planting of sweet potatoes mainly relies on manual transplanting, with a large labor intensity, which seriously restricts the development of the sweet potato industry. Therefore, realizing mechanized transplanting that meets the agronomic requirements of sweet potato planting has become an urgent problem to be solved in sweet potato planting. Summary of the Invention

[0004] In view of the current situation that there is no side-inserting transplanting machinery for sweet potatoes, the present invention provides a side-inserting transplanting machine for sweet potato seedlings and a transplanting method, which not only realizes the mechanized operation of sweet potato seedlings, but also realizes side planting.

[0005] The present invention is realized through the following technical solutions. A side-inserting transplanting machine for sweet potato seedlings is provided, which includes a frame equipped with a traveling device, a fixed frame fixedly connected to the frame, and a transplanting device and a seedling conveying device installed on the fixed frame;

[0006] The seedling conveying device includes an annular conveying chain rotatably installed on the fixed frame, and a first driving device for driving the annular conveying chain to rotate. The plane where the annular conveying chain is located extends vertically. The outer side of the annular conveying chain is provided with a number of seedling placement positions arranged at intervals in the circumferential direction. The sweet potato seedlings are placed horizontally in the seedling placement positions, and the roots of the seedlings face the side where the seedling transplanting position is located; a seedling retaining bar adapted to the seedling placement positions of the downward conveying section and the bottom conveying section of the annular conveying chain is also fixedly installed on the fixed frame;

[0007] The transplanting device includes a number of seedling planting claws for moving the sweet potato seedlings at the seedling placement positions of the bottom conveying section of the annular conveying chain to the soil, and a second driving device for driving the seedling planting claws to reciprocate between the clamping point and the planting point. The arrangement direction of each seedling planting claw is perpendicular to the traveling direction of the frame. The clamping point corresponds to the roots of the sweet potato seedlings at the seedling placement positions of the bottom conveying section of the annular conveying chain, and the planting point corresponds to the seedling transplanting position.

[0008] When the present solution is in use, workers place the sweet potato seedlings on the seedling placement position of the circular conveyor chain, and the sweet potato seedlings are sent to the bottom conveying section by the rotation of the circular conveyor chain, so that the roots of the sweet potato seedlings correspond to the seedling clamping points, and the seedling planting claws are driven by the second driving device to plant the sweet potato seedlings horizontally into the soil; by providing a seedling baffle bar, the sweet potato seedlings are prevented from falling in the downward conveying section and the bottom conveying section.

[0009] As an optimization, the rice transplanting device also includes a main transmission shaft II rotatably connected to the fixed frame, a transfer shaft relatively fixed and parallel to the main transmission shaft II, and a main transmission shaft I transmission-connected to the second drive device, the main transmission shaft I is rotatably connected to the fixed frame and parallel to the transfer shaft, and a driving handle is sleeved and fixed on the main transmission shaft I, and the end of the driving handle away from the main transmission shaft I is sleeved on the transfer shaft; a plurality of groups of rice transplanting mechanisms arranged axially are installed on the main transmission shaft II, and the rice transplanting mechanism includes a driven rod sleeved and fixed on the main transmission shaft II, and a connecting rod fixed to the driven rod, and the end of the connecting rod away from the driven rod is fixed to the transfer shaft, and the seedling planting claw is installed on the bracket formed by the driven rod and the connecting rod. This optimization scheme drives the driving handle to rotate through the main transmission shaft I, and drives the bracket to swing through the driving handle, thereby realizing the reciprocating movement of the seedling planting claw, with a simple structure and more accurate repeatability of the position of the seedling planting claw.

[0010] As an optimization, a mounting box is fixedly connected to the lower end of the bracket, and a camshaft extending in the transverse direction and a fulcrum shaft extending in the vertical direction are rotatably connected in the mounting box. The camshaft is transmission-connected to the main transmission shaft II, and a cam is fixedly mounted on the camshaft. Guide platforms are respectively provided on both sides of the cam, and the width of the guide platform along the axial direction gradually increases; the seedling planting claw includes two claw bodies that are sleeved on the fulcrum shaft and cross-arranged, and the control ends of the two claw bodies are respectively in contact with the two sides of the guide platform, and the seedling clamping ends of the two claw bodies face the side where the potato seedlings are planted; the two claw bodies are also connected by a spring, and the spring makes the seedling clamping ends of the two claw bodies have a tendency to close. This optimization scheme sets the seedling planting claw as a scissor-type structure, and uses the action of the guide platform on the side of the cam to make the seedling clamping end open periodically. Through the set spring, after the control end is separated from the guide platform, the seedling clamping end is closed to achieve the clamping of the root of the sweet potato seedling.

[0011] As an optimization, a clamping piece extending vertically is fixed at the seedling clamping end of the claw body. This optimization solution increases the clamping area by providing the clamping piece, improves the reliability of clamping the roots of the sweet potato seedlings, and avoids damage to the sweet potato seedlings during clamping.

[0012] As an optimization, the camshaft is drivingly connected to the main transmission shaft II through a transmission chain, and transmission sprockets meshing with the transmission chain are respectively installed on the camshaft and the driving shaft II. This optimization solution realizes the transmission from the main transmission shaft II to the camshaft through chain drive, with strong transmission reliability. At the same time, the rotation of the transmission sprockets drives the rotation of the transmission chain, realizing the synchronous progress of the overall swing of the seedling planting claws and the relative rotation of the two claw bodies.

[0013] As an optimization, a seedling tray placement rack is also fixedly provided on the frame. A plurality of layers of seedling trays are placed on the seedling tray placement rack, and the seedling tray placement rack is located on one side of the sweet potato seedling conveying device close to the sweet potato seedling planting position. This optimization solution facilitates the orderly placement of the seedling trays containing sweet potato seedlings by setting a seedling tray placement rack on the frame, which is beneficial to improving the operation efficiency. Placing the seedling tray placement rack on one side of the sweet potato seedling conveying device close to the sweet potato seedling planting position is beneficial to reducing the width of the whole machine, thereby reducing the space occupied by the equipment.

[0014] As an optimization, the annular conveying chain includes a top conveying section, a downward conveying section, a bottom conveying section, and an upward conveying belt arranged in sequence along the circumference. Both the top conveying section and the bottom conveying section are horizontally arranged, and the length of the top conveying section is greater than the length of the bottom conveying section. This optimization solution sets the annular conveying chain as an inverted trapezoid with a long top side and a short bottom side, which is convenient for increasing the number of sweet potato seedlings placed, thus ensuring the continuity of the seedling planting operation.

[0015] As an optimization, the annular conveying chain includes two annular chains and a number of seedling placing plates arranged at intervals in sequence along the circumference. The left and right ends of the seedling placing plates are respectively fixedly connected to the two annular chains, and conveying sprockets adapted to the annular chains are rotatably arranged on the fixing frame. This optimization solution improves the conveying stability by setting two annular chains, and provides support for the placement of sweet potato seedlings through the set seedling placing plates.

[0016] As an optimization, retaining bars are fixedly provided on the seedling placing plate on the front and rear sides of the sweet potato seedlings respectively, and the distance between the retaining bars and the sweet potato seedling retaining strips is less than the diameter of the sweet potato seedling stem. This optimization solution further prevents the sweet potato seedlings from falling off the seedling placing plate by setting the retaining bars.

[0017] This solution also provides a transplanting method using the above-mentioned sweet potato seedling side-inserting transplanter, including the following steps:

[0018] 1. Place the seedling tray containing sweet potato seedlings on the seedling tray placement rack, and drive the whole machine to move in the field through the traveling device;

[0019] 2. Workers place the sweet potato seedlings on the seedling tray flat on the seedling placing plate at the top of the sweet potato seedling conveying device, and make the roots of the sweet potato seedlings face the side where the sweet potato seedling planting position is located. Use the rotation of the annular conveying chain to convey the sweet potato seedlings to the bottom conveying section. When the sweet potato seedlings on the bottom conveying section are moved to correspond to the seedling planting claws, the annular conveying chain stops rotating;

[0020] 3. The second driving device operates to drive the driving handle to rotate, thereby driving the connecting rod mounted on the adapter shaft to perform a circular motion, causing the seedling planting claws to reciprocate along an arc-shaped trajectory between the seedling clamping point and the seedling planting point;

[0021] When the connecting rod drives the seedling planting claws to move to the seedling clamping point, the clamping end closes under the action of the spring and clamps the root of the sweet potato seedling. When the seedling planting claws move to the seedling planting point along with the connecting rod, the sweet potato seedling is horizontally inserted into the soil. During the process of the seedling planting claws moving from the seedling planting point to the seedling clamping point, the main transmission shaft II rotates, thereby driving the camshaft to rotate. First, by the action of the guiding platform on the cam, the control end of the seedling planting claws gradually opens, so that the clamping end opens and releases the sweet potato seedling planted in the soil. Then, the control end gradually disengages from the guiding platform, and the clamping end gradually closes under the action of the spring. When the seedling planting claws move to the seedling clamping point, they clamp the root of the sweet potato seedling;

[0022] 4. During the process of the seedling planting claws delivering the sweet potato seedlings to the seedling planting point, the annular conveying chain rotates a certain distance, so that the next batch of sweet potato seedlings are respectively moved to the positions corresponding to the seedling planting claws.

[0023] The beneficial effects of the present invention are as follows: Multiple groups of transplanting mechanisms are adopted for horizontal in-ridge transplanting. The seedling planting claws are perpendicular to the ridge, which can realize the horizontal planting of sweet potato seedlings, effectively reducing the planting distance between adjacent sweet potato seedlings, increasing the number of sweet potato seedlings planted per unit area, and enabling the sweet potato seedlings to present a boat-bottom shape in the soil, which not only better meets the agronomic requirements of sweet potato planting but also improves the economic benefits of sweet potato planting; The overall movement of the seedling planting claws and the opening and closing actions of the seedling planting claws adopt the same power source, improving the accuracy of the position of the seedling planting claws and at the same time improving the continuity of the seedling planting actions. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a front view schematic diagram of the overall structure of the present invention;

[0025] Figure 2 is a left view schematic diagram of the overall structure of the present invention;

[0026] Figure 3 is a top view schematic diagram of the overall structure of the present invention;

[0027] Figure 4 is an isometric schematic diagram of the overall structure of the present invention;

[0028] Figure 5 is an isometric schematic diagram of the seedling transplanting device and the fixing frame of the present invention;

[0029] Figure 6 is Figure 5 an enlarged view of the structure of part A in

[0030] Figure 7 is an isometric schematic diagram of the sweet potato seedling conveying device and the fixing frame of the present invention;

[0031] Figure 8 This is a diagram of the state of clamping sweet potato seedlings;

[0032] As shown in the figure:

[0033] 1. Frame, 2. Universal wheel, 3. Driving wheel, 4. Motor controller, 5. Battery pack, 6. Backup battery pack, 7. Driving shaft, 8. Transmission shaft of potato seedling conveying device, 9. Motor I, 10. Rice transplanting device, 11. Transmission assembly II of rice transplanting device, 12. Cam, 13. Driven rod, 14. Connecting rod, 15. Transmission assembly I of rice transplanting device, 16. Adapter shaft, 17. Driving handle, 18. Main transmission shaft I, 19. Transmission assembly of potato seedling conveying device, 20. Potato seedling conveying device, 21. Motor II, 22. Ring conveying chain, 23. Conveying sprocket, 24. First driven sprocket, 25. First chain, 26. First driving sprocket, 27. Potato seedling baffle, 28. Seedling plate, 29. Seedling tray, 30. Seat, 31. Seedling claw, 32. Camshaft, 33. Fixed frame, 34. Main transmission shaft II, 35. Motor III. DETAILED DESCRIPTION

[0034] In order to clearly illustrate the technical features of this solution, this solution is described below through a specific implementation method.

[0035] like Figures 1 to 4 The sweet potato seedling side-transplanting machine shown in the figure comprises a frame 1 equipped with a walking device, a fixed frame 33 fixed to the frame, and a rice transplanting device 10 and a potato seedling conveying device 20 installed on the fixed frame, wherein the rice transplanting device 10 is located below the inner side of the potato seedling conveying device 20, and the seedling clamping point of the rice transplanting device 10 is adapted to the potato seedling conveying device 20, and the fixed frame 33 is used to fix and support the rice transplanting device 10 and the potato seedling conveying device 20. The frame 1 is also fixed with a seedling tray placement rack and a seat 30, on which a plurality of layers of seedling trays 29 are placed, and the seedling trays are used to hold sweet potato seedlings, and the seedling tray placement rack and the seat are both located on one side of the potato seedling conveying device close to the potato seedling planting position, and the seat is located behind the seedling tray placement rack.

[0036] The traveling device comprises two driving wheels 3 and two universal wheels 2. The driving wheels are drivingly connected to the third driving device, and the third driving device provides power to the driving wheels to realize the traveling of the whole machine.

[0037] like Figure 7As shown in the figure, the sweet potato seedling conveying device 20 includes an annular conveying chain 22 rotatably installed on a fixed frame, and a first driving device for driving the annular conveying chain to rotate. The plane where the annular conveying chain is located extends vertically. The outer side of the annular conveying chain is provided with a plurality of seedling placement positions for sweet potato seedlings arranged at intervals in the circumferential direction. The sweet potato seedlings are placed horizontally at the seedling placement positions, and the roots of the sweet potato seedlings face the side where the seedling planting position is located. A seedling retaining bar 27 adapted to the seedling placement positions of the downward conveying section and the bottom conveying section of the annular conveying chain is also fixedly installed on the fixed frame to prevent the sweet potato seedlings from falling during the downward conveying and bottom conveying processes.

[0038] The annular conveying chain includes a top conveying section, a downward conveying section, a bottom conveying section, and an upward conveying belt arranged in sequence in the circumferential direction. The top conveying section and the bottom conveying section are both horizontally arranged, and the length of the top conveying section is greater than the length of the bottom conveying section. The annular conveying chain in this embodiment includes two annular chains, and a plurality of seedling placing plates 28 arranged at equal intervals in the circumferential direction. There are 30 seedling placing plates in this embodiment, and the annular chains are single-row double-port curved plate conveying chains. The two annular chains are parallel to each other, so as to ensure that the single-row double-port curved plate conveying chain can convey the seedling placing plates 28 more stably. The distance between adjacent two seedling placing plates is equal to the distance between adjacent two seedling planting claws, which is more convenient for the subsequent transplanting device 10 to clamp and plant. The left and right ends of the seedling placing plate are respectively fixed to the two annular chains. A conveying sprocket 23 adapted to the annular chain is rotatably arranged on the fixed frame. Retaining bars are fixedly installed on the seedling placing plate on the front and rear sides of the sweet potato seedlings respectively. The distance between the retaining bar and the seedling retaining bar is less than the diameter of the sweet potato seedling stem, further preventing the sweet potato seedlings from falling. The seedling retaining bar 27 is fixedly arranged on the fixed frame 33, is arranged parallel to the single-row double-port curved plate conveying chain, and keeps a certain distance from the seedling placing plate 28. When the seedling placing plate 28 moves to the non-horizontal section and the bottom position, the retaining bar on the upper side of the seedling placing plate 28 and the seedling retaining bar 27 enclose the sweet potato seedlings to control the movement position of the sweet potato seedlings. When the seedling placing plate 28 moves to the bottom position, the transplanting device 10 clamps the sweet potato seedlings from the seedling retaining bar 27 and plants them into the soil. The transmission track of the single-row double-port curved plate conveying chain is trapezoidal. The upper and lower sides of the trapezoid are parallel, and the length of the upper base is greater than the length of the lower base. The operator can place the sweet potato seedlings at the upper base position. When six seedling placing plates 28 move to the bottom position, the transplanting device 10 clamps the sweet potato seedlings from the seedling placing plate 28 and plants them into the soil. The length of the upper base is greater than the length of the lower base, increasing the number of sweet potato seedlings that can be placed and preventing the situation of missing seedlings during transplanting.

[0039] The transplanting device 10 includes a plurality of seedling planting claws 31 for moving the sweet potato seedlings at the seedling placement positions of the bottom conveying section of the annular conveying chain to the soil, and a second driving device for driving the seedling planting claws to reciprocate between the clamping point and the planting point. The arrangement direction of each seedling planting claw is perpendicular to the traveling direction of the frame. The clamping point corresponds to the roots of the sweet potato seedlings at the seedling placement positions of the bottom conveying section of the annular conveying chain, and the planting point corresponds to the sweet potato seedling planting position.

[0040] Specifically, as Figure 5 and Figure 6 shown, the rice transplanting device further includes a main transmission shaft II 34 rotatably connected to the fixed frame, a transfer shaft 16 fixedly and parallelly arranged relative to the main transmission shaft II 34, and a main transmission shaft I 18 drivingly connected to the second driving device. The main transmission shaft II 34 is installed on one side of the fixed frame 33 and is parallel to the advancing direction of the frame 1. The main transmission shaft I 18 is rotatably connected to the fixed frame 33 and is parallel to the transfer shaft 16. A driving handle 17 is sleeved and fixed on the main transmission shaft I 18. One end of the driving handle away from the main transmission shaft I is sleeved on the transfer shaft. The main transmission shaft I can rotate relative to the driving handle, and the driving handle 17 is driven to rotate by the transmission assembly I 15 of the rice transplanting device. The main transmission shaft II, the transfer shaft, and the main transmission shaft I are all located above the bottom conveying section of the annular conveying chain in the height direction. A plurality of groups of rice transplanting mechanisms arranged axially are installed on the main transmission shaft II 34. In this embodiment, there are six groups of rice transplanting mechanisms on the main transmission shaft, which are equidistantly installed on the main transmission shaft II 34 and the transfer shaft 16 of the rice transplanting device. When the rice transplanting mechanism plants sweet potato seedlings, the sweet potato seedlings are perpendicular to the direction of the ridge, effectively reducing the distance between the sweet potato seedlings. Each time, six sweet potato seedlings are laterally transplanted. The rice transplanting mechanism includes a driven rod 13 sleeved and fixed on the main transmission shaft II, and a connecting rod 14 fixedly connected to the driven rod. One end of the connecting rod 14 away from the driven rod is fixedly connected to the transfer shaft. The seedling planting claw is installed on the bracket formed by the driven rod 13 and the connecting rod 14. When the whole bracket swings, the seedling planting claw reciprocates between the seedling clamping point and the seedling planting point, clamps the sweet potato seedlings at the seedling clamping point, and laterally plants the sweet potato seedlings at the seedling planting point.

[0041] To facilitate the installation of the seedling planting claw and realize the linkage between the opening and closing action of the seedling planting claw and the overall movement of the seedling planting claw, in this embodiment, an installation box is fixedly connected to the lower end of the bracket. A camshaft 32 extending horizontally and a fulcrum shaft extending vertically are rotatably connected in the installation box. The camshaft is drivingly connected to the main transmission shaft II. A cam 12 is fixedly installed in the middle part of the camshaft. Guide platforms protruding axially are respectively provided on both side surfaces of the cam, and the axial width of the guide platform gradually increases. The upper end of the seedling planting claw 31 contacts the side surface of the cam. The fulcrum shaft at the contact position of the middle and upper parts of the seedling planting claw 31 serves as the rotation fulcrum of the seedling planting claw 31. The lower end of the seedling planting claw 31 is a flat clamp head that can approach each other, facilitating the clamping of the sweet potato seedlings in the seedling placing plate 28. The camshaft is drivingly connected to the main transmission shaft II through a transmission chain. Transmission sprockets meshing with the transmission chain are respectively installed on the camshaft and the main driving shaft II.

[0042] The seedling planting claws are of a scissor structure. Specifically, the seedling planting claw 31 includes two claw bodies sleeved on the fulcrum shaft and arranged crosswise. The two claw bodies are symmetrically distributed. The control ends of the two claw bodies are respectively in contact with the two side surfaces of the guiding platform. The seedling clamping ends of the two claw bodies face the side where the sweet potato seedling planting position is located. The control ends and the seedling clamping ends are respectively located on both sides of the fulcrum shaft. The two claw bodies are also connected by a spring. The spring makes the seedling clamping ends of the two claw bodies have a tendency to close. After the control ends are separated from the guiding platform, the seedling clamping ends close under the action of the spring. In order to increase the clamping area and improve the reliability of clamping sweet potato seedlings, in this embodiment, a clamping piece extending vertically is fixedly arranged at the seedling clamping end of the claw body.

[0043] When the main transmission shaft II 34 of the rice transplanting device rotates, the camshaft 32 is driven to rotate through chain transmission, and the cam 12 rotates accordingly. When the guiding platforms on both sides of the cam 12 contact the upper end of the seedling picking claw 31, the seedling picking claw 31 rotates, and the lower end of the seedling picking claw 31 is in an open state. When the non-protruding surface of the cam 12 contacts the upper end of the seedling picking claw 31, the lower end of the seedling picking claw 31 rotates to a closed state. The seedling planting claws 31, the rice transplanting mechanism, etc. are installed at equal distances on the main transmission shaft II 34 of the rice transplanting device and the transfer shaft 16, and are oriented away from the transmission assembly 19 of the sweet potato seedling conveying device. The rice transplanting device 10 plants the seedlings in a boat-bottom shape into the soil along an arc trajectory, and the planting effect is good. The action of the rice transplanting device 10 clamping the sweet potato seedlings into the ridge occurs below the seat 30 and the multi-layer seedling placing tray 29.

[0044] The first driving device, the second driving device and the third driving device of this embodiment form a power driving system. The traveling device, the rice transplanting device 10 and the sweet potato seedling conveying device 20 are all powered by the power driving system. Specifically, the power driving system includes a battery pack 5, a backup battery pack 6, a motor controller 4, a motor I 9, a motor II 21, a motor III 35, a rice transplanting device transmission assembly I 15, a rice transplanting device transmission assembly II 11 and a sweet potato seedling conveying device transmission assembly 19. The battery pack 5, the backup battery pack 6, the motor controller 4 and the motor I 9 are all installed on the frame 1. The motor I 9 is connected to the driving shaft 7 through a sprocket and chain structure, and a driving wheel is installed on the driving shaft. The motor II 21 and the motor III 35 are installed on a fixing frame. The rice transplanting device transmission assembly I 15, the rice transplanting device transmission assembly II 11 and the sweet potato seedling conveying device transmission assembly 19 are respectively arranged between the motor II 21 and the main transmission shaft I 18 of the rice transplanting device, the motor II 21 and the main transmission shaft II 34 of the rice transplanting device, and the motor III 35 and the transmission shaft 8 of the sweet potato seedling conveying device, and are respectively sprocket and chain structures. During operation, the operator takes sweet potato seedlings on the multi-layer seedling tray and places them on the seedling placing plate 28 of the sweet potato seedling conveying device 20. The motor III 35 drives the transmission shaft 8 of the sweet potato seedling conveying device to move through the sweet potato seedling conveying device transmission assembly 19, thereby driving the operation of the sweet potato seedling conveying device 20, and transporting six sweet potato seedlings to the six groups of lateral transplanting mechanisms. At the same time, the motor I 9 drives the whole machine to move forward through the driving wheel 3, and the forward distance is the total length of six sweet potato seedlings transplanted into the ridge. A first driving sprocket 26 is fixedly installed on the output shaft of the motor III 35. The first driving sprocket 26 drives a first driven sprocket 24 to rotate through a first chain 25, and the first driven sprocket is fixedly installed on the transmission shaft 8 of the sweet potato seedling conveying device. When the whole machine stops, the motor II 21 operates and divides the power into two paths. One path drives the rotation of the main transmission shaft I 18 of the rice transplanting device through the rice transplanting device transmission assembly I 15 to control the repeated movement of the transplanting mechanism, and the other path drives the rotation of the main transmission shaft II 34 of the rice transplanting device through the rice transplanting device transmission assembly II 11 to control the opening and closing of the seedling planting claws 31. The two cooperate with each other. When the seedling planting claws 31 move to the seedling placing plate 28 at the bottom of the seedling conveying device 20, the cam 12 rotates to make the seedling planting claws 31 in a closed state, and until the seedling planting claws 31 clamp the sweet potato seedlings and move to the planting position, the cam 12 rotates to make the seedling planting claws 31 in an open state, completing a lateral vertical planting action of sweet potato seedlings perpendicular to the ridge. The transmission ratio between the mechanisms is ensured through the chain and sprocket mechanism, and further the action speed and transmission relationship between the mechanisms are ensured, and the accuracy and cooperation degree of the actions of each mechanism are ensured.

[0045] A transplanting method using the sweet potato seedling side-inserting transplanting machine of this embodiment includes the following steps:

[0046] 1. Place the seedling tray with sweet potato seedlings on the seedling tray placing rack, and drive the whole machine to move in the field through the traveling device;

[0047] 2. Workers place the sweet potato seedlings on the seedling placement plate at the top of the seedling conveying device flatly, and make the roots of the sweet potato seedlings face the side where the seedling planting position is located. The rotation of the annular conveying chain is used to convey the sweet potato seedlings to the bottom conveying section. When the sweet potato seedlings in the bottom conveying section are moved to correspond to the planting claws, the annular conveying chain stops rotating. Specifically, Motor III operates, and the driven sprocket I drives the rotation of the transmission shaft of the seedling conveying device, thereby driving the entire conveying chain to rotate. The motor controller controls the number of seedlings conveyed to be six; at the same time, Motor I operates, driving the rotation of the driving wheel through the sprocket chain. Under the action of the motor controller, the whole machine advances a distance of six seedlings into the ridge.

[0048] 3. The second driving device operates, and Motor II runs. Driven by the rotation of the main transmission shaft I 18 of the transplanting device in the transplanting device, the driving handle rotates, thereby driving the six connecting rods 14 installed on the adapter shaft to make circular motions. The connecting rods 14 drive the connected driven rods 13 to move, so that the planting claws 31 reciprocate along an arc trajectory between the seedling clamping point and the seedling planting point; at the same time, the rotation of the main transmission shaft II of the transplanting device drives the active sprocket II to rotate, and the camshaft on the driven sprocket II is rotated through the chain. The camshaft drives the cam to rotate, realizing the opening and closing of the planting claws.

[0049] When the connecting rod drives the planting claw to move to the seedling clamping point, the clamping end closes under the action of the spring and clamps the root of the sweet potato seedling. When the planting claw moves to the seedling planting point along with the connecting rod, the sweet potato seedling is horizontally inserted into the soil. During the process of the planting claw moving from the seedling planting point to the seedling clamping point, the main transmission shaft II rotates, thereby driving the camshaft to rotate. First, under the action of the guiding platform on the cam, the control end of the planting claw is gradually opened, so that the clamping end is opened, releasing the sweet potato seedling planted in the soil. Then, the control end gradually disengages from the guiding platform, and the clamping end gradually closes under the action of the spring. When the planting claw moves to the seedling clamping point, it clamps the root of the sweet potato seedling.

[0050] 4. During the process of the planting claw sending the sweet potato seedling to the seedling planting point, the annular conveying chain rotates a distance of six seedlings into the ridge, so that the next batch of sweet potato seedlings are respectively moved to the positions corresponding to the planting claws. Then, Motor II operates, clamping the six seedlings at the bottom position of the seedling conveying device and placing them horizontally in a boat-bottom shape on the ridge; the above is a complete side-inserting and transplanting movement of the sweet potato seedlings, and the above movement is repeated.

[0051] Of course, the above description is not limited to the above examples. The technical features not described in the present invention can be realized by or adopted from the prior art, and will not be elaborated here; the above embodiments and drawings are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. The present invention has been described in detail with reference to the preferred embodiments. Those of ordinary skill in the art should understand that any changes, modifications, additions, or substitutions made by those of ordinary skill in the technical field within the essence of the present invention do not depart from the purpose of the present invention and should also fall within the scope of the claims of the present invention.

Claims

1. A sweet potato seedling side-inserting transplanting machine, characterized in that: It comprises a frame (1) equipped with a walking device, a fixed frame (33) fixedly connected to the frame, and a rice transplanting device (10) and a potato seedling conveying device (20) installed on the fixed frame; The potato seedling conveying device (20) comprises an annular conveying chain (22) rotatably mounted on a fixed frame, and a first driving device driving the annular conveying chain to rotate, the plane where the annular conveying chain is located extends vertically, the outer side surface of the annular conveying chain is provided with a plurality of potato seedling placement positions arranged in sequence along the circumferential direction, the potato seedlings are placed transversely at the potato seedling placement positions, and the potato seedling roots face the side where the potato seedling planting position is located; the fixed frame is also provided with a potato seedling blocking bar (27) adapted to the potato seedling placement positions of the downward conveying section and the bottom conveying section of the annular conveying chain; The rice transplanting device (10) comprises a plurality of seedling planting claws (31) for moving potato seedlings at a potato seedling placement position at the bottom conveying section of the circular conveyor chain into the soil, and a second driving device for driving the seedling planting claws to reciprocate between a seedling clamping point and a seedling planting point, wherein the arrangement direction of each seedling planting claw is perpendicular to the travel direction of the frame, the seedling clamping point corresponds to the root of the potato seedling at the potato seedling placement position at the bottom conveying section of the circular conveyor chain, and the seedling planting point corresponds to the potato seedling planting position; The rice transplanting device further comprises a main transmission shaft II (34) rotatably connected to the fixed frame, a transfer shaft (16) fixed relatively to and parallel to the main transmission shaft II (34), and a main transmission shaft I (18) transmission-connected to the second driving device, the main transmission shaft I (18) being rotatably connected to the fixed frame (33) and parallel to the transfer shaft (16), a driving handle (17) being sleeved and fixed on the main transmission shaft I (18), and an end of the driving handle away from the main transmission shaft I being sleeved on the transfer shaft; A plurality of groups of rice transplanting mechanisms arranged along the axial direction are mounted on the main transmission shaft II (34), the rice transplanting mechanisms comprising a driven rod (13) sleeved and fixed on the main transmission shaft II, and a connecting rod (14) fixedly connected to the driven rod, one end of the connecting rod away from the driven rod being fixedly connected to the transfer shaft, and the seedling planting claws being mounted on a bracket formed by the driven rod and the connecting rod; A mounting box is fixedly connected to the lower end of the bracket, a cam shaft (32) extending in the transverse direction and a fulcrum shaft extending in the vertical direction are rotatably connected in the mounting box, the cam shaft is drivingly connected to the main transmission shaft II, a cam (12) is fixedly mounted on the cam shaft, guide platforms are respectively provided on both sides of the cam, and the width of the guide platform along the axial direction gradually increases; The seedling planting claw (31) comprises two claw bodies which are sleeved on the fulcrum shaft and arranged crosswise, the control ends of the two claw bodies are in contact with the two side surfaces of the guide platform respectively, and the seedling clamping ends of the two claw bodies face the side where the potato seedling planting position is located; The two claw bodies are also connected by a spring, and the spring makes the seedling clamping ends of the two claw bodies have a tendency to close; The annular conveyor chain comprises two annular chains and a plurality of seedling placing plates (28) arranged in sequence and at intervals along the circumferential direction, the left and right ends of the seedling placing plates are respectively fixedly connected to the two annular chains, and a conveying sprocket wheel adapted to the annular chains is rotatably arranged on a fixed frame; The frame is also fixedly provided with a seedling tray placement rack, on which a plurality of layers of seedling trays (29) are placed, and the seedling tray placement rack is located on one side of the potato seedling conveying device close to the potato seedling planting position.

2. The sweet potato seedling side-inserting transplanting machine according to claim 1, characterized in that: The seedling clamping end of the claw body is fixedly provided with a clamping piece extending in the vertical direction.

3. The sweet potato seedling side-inserting transplanting machine according to claim 1, characterized in that: The camshaft is drivingly connected to the main transmission shaft II through a transmission chain, and transmission sprockets meshing with the transmission chain are respectively mounted on the camshaft and the driving shaft II.

4. The sweet potato seedling side-inserting transplanting machine according to claim 1, wherein: The annular conveying chain includes a top conveying section, a downward conveying section, a bottom conveying section, and an upward conveying section sequentially arranged in the circumferential direction. The top conveying section and the bottom conveying section are both horizontally arranged, and the length of the top conveying section is greater than that of the bottom conveying section.

5. The sweet potato seedling side-inserting transplanting machine according to claim 1, wherein: Blocking rods are fixedly provided on the seedling placing plate and are respectively located on the front and rear sides of the sweet potato seedlings. The distance between the blocking rods and the sweet potato seedling blocking strips is less than the diameter of the sweet potato seedling stem.

6. A transplanting method using the sweet potato seedling side-inserting transplanting machine according to any one of claims 1 to 5, characterized in that, It includes the following steps: (1) Place the seedling tray with sweet potato seedlings on the seedling tray placing rack, and drive the whole machine to move in the field through the traveling device; (2) The worker places the sweet potato seedlings on the seedling tray flat on the seedling placing plate at the top of the sweet potato seedling conveying device, and makes the roots of the sweet potato seedlings face the side where the sweet potato seedling planting position is located. The rotation of the annular conveying chain conveys the sweet potato seedlings to the bottom conveying section. When the sweet potato seedlings on the bottom conveying section move to correspond to the seedling planting claws, the annular conveying chain stops rotating; (3) The second driving device operates to drive the driving handle to rotate, thereby driving the connecting rod mounted on the adapter shaft to perform a circular motion, so that the seedling planting claws reciprocate along an arc trajectory between the seedling clamping point and the seedling planting point; When the connecting rod drives the seedling planting claws to move to the seedling clamping point, the clamping ends close under the action of the spring and clamp the roots of the sweet potato seedlings. When the seedling planting claws move with the connecting rod to the seedling planting point, the sweet potato seedlings are horizontally inserted into the soil. During the process of the seedling planting claws moving from the seedling planting point to the seedling clamping point, the main transmission shaft II rotates, thereby driving the camshaft to rotate. First, by the action of the guiding platform on the cam, the control ends of the seedling planting claws are gradually opened, so that the clamping ends are opened to release the sweet potato seedlings planted in the soil. Then, the control ends gradually disengage from the guiding platform, and the clamping ends gradually close under the action of the spring until the seedling planting claws move to the seedling clamping point and clamp the roots of the sweet potato seedlings; (4) During the process of the seedling planting claws sending the sweet potato seedlings to the seedling planting point, the annular conveying chain rotates a certain distance, so that the next batch of sweet potato seedlings respectively move to the positions corresponding to the seedling planting claws.

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