Double-row duckbilled transplanter

Abstract

The utility model discloses a double-row duckbilled transplanter which comprises a walking chassis, and more than two duckbilled transplanters, a seedling transmission device and a seedling feeding device which are arranged on the walking chassis, the duckbilled transplanters are respectively arranged on two opposite sides of the seedling feeding device, the seedling transmission device is arranged above the seedling feeding device, and the seedling feeding device is arranged on the walking chassis. Seedlings are conveyed to the position below the seedling conveying device through the seedling conveying device, the seedlings are lifted upwards through the seedling conveying device and then conveyed into the duckbilled transplanting devices on the two sides, and the seedlings are vertically inserted into soil through the duckbilled transplanting devices. The double-row duckbilled transplanter has the advantages of being small in manual labor amount, high in transplanting efficiency and good in transplanting effect.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a double-row duckbill type transplanter. Background Art

[0002] With the development of agricultural mechanization and the acceleration of urbanization in my country, the vegetable planting model has gradually changed from scattered planting to large-scale farm production. Transplanting is an indispensable part of large-scale vegetable planting. While pursuing transplanting efficiency, it is necessary to strictly control transplanting quality. However, my country's transplanting machine started late and developed relatively slowly, and there is still a certain gap compared with developed agricultural countries.

[0003] Existing transplanting equipment is usually a semi-automatic transplanter, including a transplanter, into which seedlings are manually placed one by one, and then the transplanter transplants the seedlings one by one, resulting in the need for manual placement of seedlings, which not only consumes labor, but also has poor transplanting effects and low transplanting efficiency. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art and provide a double-row duckbill transplanter with small manual labor, high transplanting efficiency and good transplanting effect.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A double-row duckbill transplanter comprises a walking chassis and a duckbill transplanter, a seedling transmission device and a seedling delivery device installed on the walking chassis. The duckbill transplanter is provided with more than two and is arranged on opposite sides of the seedling delivery device. The seedling transmission device is arranged above the seedling delivery device. The seedlings are transported to the bottom of the seedling transmission device through the seedling delivery device. The seedling transmission device lifts the seedlings upward and then transports them to the duckbill transplanters on both sides respectively, so that the seedlings are vertically inserted into the soil through the duckbill transplanter.

[0007] As a further improvement of the above technical solution:

[0008] The duckbill transplanter includes a square tube, a first electric push rod and a parallelogram mechanism. A fixing rod is provided on the walking chassis. One end of the parallelogram mechanism is connected to the square tube, and the other end of the parallelogram mechanism is connected to the fixing rod. The first electric push rod is arranged to be tilted downward. One end of the first electric push rod is connected to the fixing rod, and the other end of the first electric push rod is connected to the parallelogram mechanism. The duckbill transplanter also includes an opening and closing mechanism for closing or opening the lower end of the square tube.

[0009] The opening and closing mechanism includes a slide rail, a slider, an annular sleeve and a clip. The annular sleeve is sleeved on the outside of the square tube. The slide rail is fixedly connected to the square tube. The slider is fixedly connected to the annular sleeve. The slide rail and the slider cooperate with each other to slide. There are multiple clips, each of which is hinged at the lower end of the square tube, and each of the clips is connected to the annular sleeve through a first connecting rod.

[0010] The parallelogram mechanism includes two groups of parallel link groups arranged at intervals, each group of the parallel link groups includes two parallel links, one end of each of the parallel links is hinged to the fixed rod, and the other end of each of the parallel links is hinged to the square tube, and the first electric push rod is hinged to the corresponding two parallel links.

[0011] The seedling transmission device includes a guide tube corresponding to the duckbill transplanter, a clamping mechanism, and a driving assembly for driving the guide tube to move left and right and driving the clamping mechanism to move up and down at the same time.

[0012] The driving assembly includes a second electric push rod, a connecting rod mechanism and a clamp fixing plate. A fixing frame is provided on the walking chassis. One end of the second electric push rod is connected to the fixing frame, and the other end of the second electric push rod is connected to the clamp fixing plate. The clamp mechanism is installed on the clamp fixing plate, and the connecting rod mechanism is arranged corresponding to the conduit and connected to the corresponding conduit.

[0013] The connecting rod mechanism includes a cross bar, a long connecting rod, a short connecting rod and a guide rod. The cross bar is connected to a fixed frame, one end of the cross bar is hinged to the long connecting rod, the other end of the cross bar is hinged to the short connecting rod, one end of the long connecting rod away from the cross bar is hinged to the guide tube, one end of the short connecting rod away from the cross bar is hinged to the guide tube, one end of the guide rod is hinged to the short connecting rod, and the other end of the guide rod is hinged to a clamp fixing plate.

[0014] The clamping mechanism includes a first motor, a screw rod, a movable plate, a connecting plate and a shovel. The first motor is mounted on the clamping fixed plate. One end of the screw rod is connected to the first motor, and the other end of the screw rod is connected to the connecting plate. A copper nut is provided on the screw rod, and the movable plate is connected to the copper nut. The shovel is hinged to the connecting plate, and the shovel is connected to the movable plate through a second connecting rod.

[0015] The seedling delivery device includes an annular conveyor belt, a driving shaft, a driven shaft, a second motor and a frame. One end of the annular conveyor belt is wound around the driving shaft, and the other end of the annular conveyor belt is wound around the driven shaft. The output shaft of the second motor is connected to the driving shaft. The driving shaft and the driven shaft are respectively arranged at two ends of the frame and are rotatably connected to the frame.

[0016] The walking chassis includes a base plate, rollers and a pusher, the pusher is fixedly connected to the upper side of the base plate, a bracket is provided on the lower side of the base plate, the roller is rollingly connected to the bracket, and the duckbill transplanter, seedling transmission device and seedling delivery device are all installed on the base plate.

[0017] Compared with the prior art, the utility model has the following advantages: the double-row duckbill transplanter of the utility model places a plurality of seedlings or seedling trays on the seedling delivery device, and under the action of the seedling delivery device, the seedlings are transported in the direction of the seedling transmission device and transported to the bottom of the seedling transmission device, and then the seedling transmission device moves downward and grabs two seedlings at a time, and then moves upward to lift and transport the grabbed two seedlings to the duckbill transplanters arranged on both sides of the seedling delivery device, and the two seedlings are vertically inserted into the soil respectively through the duckbill transplanters. By delivering the seedlings through the seedling delivery device, there is no need to manually deliver the seedlings to the transplanter one by one, and a large number of seedlings can be transported at one time, which reduces the amount of manual labor, greatly saves labor costs, and improves transplanting efficiency. By using a mechanical structure transmission and setting more than two duckbill transplanters, double-row transplanting can be achieved, the action is stable and reliable, and the seedlings can be vertically inserted into the soil, and the transplanting effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of a double-row duckbill transplanter.

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the seedling transmission device.

[0020] Figure 3 for Figure 2 A magnified schematic diagram of center A.

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the duckbill transplanter.

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the seedling delivery device.

[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the walking chassis.

[0024] Legend:

[0025] 1. Walking chassis; 11. Bottom plate; 12. Roller; 13. Push handle; 14. Bracket; 15. Push handle frame; 2. Duckbill transplanter; 21. Square tube; 22. First electric push rod; 23. Parallelogram mechanism; 231. Parallel connecting rod; 24. Fixed rod; 241. First ear piece; 25. Opening and closing mechanism; 251. Slide rail; 252. Sliding block; 253. Annular sliding sleeve; 254. Clip; 255. First connecting rod; 256. First fixed seat; 257. Second fixed seat; 258. Third fixed seat; 26. Lifting ear; 3. Seedling transmission device; 31. Catheter; 32. Clamping mechanism; 321. First A motor; 322, a screw rod; 323, a movable plate; 324, a connecting plate; 325, a shovel; 326, a copper nut; 327, a second connecting rod; 33, a driving assembly; 331, a second electric push rod; 332, a connecting rod mechanism; 3321, a cross bar; 3322, a long connecting rod; 3323, a short connecting rod; 3324, a guide rod; 333, a clamping claw fixing plate; 334, a fixing frame; 4, a seedling delivery device; 41, an endless conveyor belt; 42, a driving shaft; 43, a second motor; 44, a frame; 441, a first tail stock; 442, a second tail stock; 443, a connecting aluminum rod; 444, a support; 445, a second ear piece. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] like Figures 1 to 6As shown, the double-row duckbill transplanter of this embodiment includes a walking chassis 1, a duckbill transplanter 2, a seedling transmission device 3 and a seedling delivery device 4. The duckbill transplanter 2, the seedling transmission device 3 and the seedling delivery device 4 are all installed on the walking chassis 1 to move with the walking chassis 1. The duckbill transplanter 2 is provided with two and is arranged on opposite sides of the seedling delivery device 4. The seedling transmission device 3 is arranged above the seedling delivery device 4. The seedlings are transported to the bottom of the seedling transmission device 3 through the seedling delivery device 4. The seedling transmission device 3 moves up and down to lift the seedlings upward and then transport them to the two duckbill transplanters 2 respectively, so that the seedlings are vertically inserted into the soil through the duckbill transplanter 2. The double-row duckbill transplanter of the utility model places a plurality of seedlings or seedling trays on the seedling delivery device 4, and under the action of the seedling delivery device 4, transports them in the direction of the seedling transmission device 3 and transports them to the bottom of the seedling transmission device 3, and then the seedling transmission device 3 moves downward and grabs two seedlings at a time, and then moves upward to lift and transport the grabbed two seedlings to the duckbill transplanters 2 arranged on both sides of the seedling delivery device 4, respectively, and the two seedlings are vertically inserted into the soil respectively through the duckbill transplanters 2. The double-row duckbill transplanter of the utility model delivers seedlings through the seedling delivery device 4, and does not need to manually deliver the seedlings to the transplanter one by one, and can transport a large number of seedlings at a time, which reduces the amount of manual labor, greatly saves labor costs, and improves transplanting efficiency. It uses a mechanical structure transmission and is provided with two duckbill transplanters 2, so that double-row transplanting can be achieved, the action is stable and reliable, and the seedlings can be vertically inserted into the soil, and the transplanting effect is good. In other embodiments, four, six, etc. duckbill transplanters 2 may be provided, which are disposed on opposite sides of the seedling delivery device 4 .

[0028] In this embodiment, the duckbill transplanter 2 includes a square tube 21, a first electric push rod 22 and a parallelogram mechanism 23. A fixed rod 24 is provided on the walking chassis 1. One end of the parallelogram mechanism 23 is connected to the square tube 21, and the other end of the parallelogram mechanism 23 is connected to the fixed rod 24. The first electric push rod 22 is tilted downward, one end of the first electric push rod 22 is connected to the fixed rod 24, and the other end of the first electric push rod 22 is connected to the parallelogram mechanism 23. The duckbill transplanter 2 also includes an opening and closing mechanism 25 for closing or opening the lower end of the square tube 21. The first electric push rod 22 drives the parallelogram mechanism 23 to move the square tube 21 downward, and the opening and closing mechanism 25 drives the lower end of the square tube 21 to open, and the seedlings vertically enter the pit in the soil from the lower end opening of the square tube 21. Then the first electric push rod 22 drives the parallelogram mechanism 23 to move the square tube 21 upward, and the opening and closing mechanism 25 drives the lower end of the square tube 21 to close, and continue to transport and transplant the next seedling. In this embodiment, the gap of the square tube 21 is just enough to pass a seedling. In this embodiment, the fixed rod 24 is provided with a first ear piece 241, and the first electric push rod 22 is hinged to the fixed rod 24 through the first ear piece 241, and the fixed rod 24 is fixed to the walking chassis 1 through an angle code. This combined structural mode can ensure that the square tube 21 maintains a plumb state during the movement, so that the seedlings are vertically inserted into the soil, ensuring the uprightness of the transplanted seedlings, and improving the transplanting effect.

[0029] In this embodiment, the opening and closing mechanism 25 includes a slide rail 251, a slider 252, an annular sleeve 253 and a clip 254. The annular sleeve 253 is sleeved on the outside of the square tube 21. The slide rail 251 is fixedly connected to the square tube 21. The slider 252 is fixedly connected to the annular sleeve 253. The slide rail 251 and the slider 252 slide in cooperation with each other. There are multiple clips 254. Each clip 254 is hinged at the lower end of the square tube 21. Each clip 254 is connected to the annular sleeve 253 through a first connecting rod 255. When the square tube 21 moves downward, the slide rail 251 moves downward along the slider 252, so that each clip 254 opens outward. When the square tube 21 moves upward, the slide rail 251 moves upward along the slider 252, so that each clip 254 closes inward, so as to achieve linkage. In this embodiment, a first fixing seat 256 is provided on the annular sleeve 253, a second fixing seat 257 is provided on the square tube 21, a third fixing seat 258 is fixedly connected to the clip 254, the clip 254 is connected to the square tube 21 through the third fixing seat 258 and the second fixing seat 257, the end of the third fixing seat 258 away from the clip 254 is connected to the first connecting rod 255, and the end of the first connecting rod 255 away from the third fixing seat 258 is connected to the first fixing seat 256. In other embodiments, the matching mode of the optical axis and the linear bearing can also be adopted.

[0030] In this embodiment, the parallelogram mechanism 23 includes two sets of parallel link groups arranged at intervals, each set of parallel link groups includes two parallel links 231, one end of each parallel link 231 is hinged to the fixed rod 24, the other end of each parallel link 231 is hinged to the square tube 21, and the first electric push rod 22 is hinged to the corresponding two parallel links 231. In this embodiment, the square tube 21 and the fixed rod 24 are both provided with a lifting lug 26, and each parallel link 231 is hinged to the square tube 21 and the fixed rod 24 through the lifting lug 26.

[0031] In this embodiment, the seedling transmission device 3 includes two conduits 31, a clamping mechanism 32, and a driving assembly 33 for driving the conduits 31 to move left and right and driving the clamping mechanism 32 to move up and down. The driving assembly 33 drives the clamping mechanism 32 to move downward to grab the seedlings, and drives the two conduits 31 to move outward at the same time, ensuring that the clamping mechanism 32 moves downward smoothly. After grabbing the seedlings, the driving assembly 33 drives the clamping mechanism 32 to move upward, and drives the two conduits 31 to move inward at the same time. The clamping mechanism 32 is released to allow the seedlings to fall smoothly into the conduits 31 and enter the duckbill transplanter 2 through the conduits 31. The structure is simple and compact, and can realize the grabbing and conveying of the seedlings. The conduit 31 is tilted downward to facilitate the conveying of the seedlings.

[0032] In this embodiment, the first driving assembly 33 includes a second electric push rod 331, a connecting rod mechanism 332 and a clamping claw fixing plate 333. A fixing frame 334 is provided on the walking chassis 1. One end of the second electric push rod 331 is connected to the fixing frame 334, and the other end of the second electric push rod 331 is connected to the clamping claw fixing plate 333. The clamping claw mechanism 32 is installed on the clamping claw fixing plate 333. The connecting rod mechanism 332 has two groups corresponding to the two guide tubes 31. The second electric push rod 331 makes the clamping claw fixing plate 333 move up and down, so that the clamping claw mechanism 32 connected to the clamping claw fixing plate 333 also moves up and down, and the structure is simple and easy to control.

[0033] In this embodiment, the connecting rod mechanism 332 includes a cross bar 3321, a long connecting rod 3322, a short connecting rod 3323 and a guide rod 3324. The cross bar 3321 is connected to the fixed frame 334, one end of the cross bar 3321 is hinged to the long connecting rod 3322, the other end of the cross bar 3321 is hinged to the short connecting rod 3323, one end of the long connecting rod 3322 away from the cross bar 3321 is hinged to the conduit 31, one end of the short connecting rod 3323 away from the cross bar 3321 is hinged to the conduit 31, one end of the guide rod 3324 is hinged to the short connecting rod 3323, and the other end of the guide rod 3324 is hinged to the clamp fixing plate 333.

[0034] In this embodiment, the clamp mechanism 32 includes a first motor 321, a screw rod 322, a moving plate 323, a connecting plate 324 and a shovel 325. The first motor 321 is mounted on the clamp fixing plate 333. One end of the screw rod 322 is connected to the first motor 321, and the other end of the screw rod 322 is connected to the connecting plate 324. A copper nut 326 is provided on the screw rod 322, and the moving plate 323 is connected to the copper nut 326. The shovel 325 is hinged to the connecting plate 324, and the shovel 325 is connected to the moving plate 323 through a second connecting rod 327. The first motor 321 is a stepping motor. In this embodiment, six shovels 325 are provided, which are set as two groups, each with three.

[0035] In this embodiment, the seedling delivery device 4 includes an annular conveyor belt 41, a driving shaft 42, a driven shaft, a second motor 43 and a frame 44. One end of the annular conveyor belt 41 is wound around the driving shaft 42, and the other end of the annular conveyor belt 41 is wound around the driven shaft. The output shaft of the second motor 43 is connected to the driving shaft 42. The driving shaft 42 and the driven shaft are respectively arranged at both ends of the frame 44 and are rotatably connected to the frame 44. In this embodiment, the frame 44 includes a first tailstock 441, a second tailstock 442 and a connecting aluminum rod 443, one end of the connecting aluminum rod 443 is connected to the first tailstock 441, and the other end of the connecting aluminum rod 443 is connected to the second tailstock 442. Two supports 444 are provided on the connecting aluminum rod 443, the driven shaft is rotatably connected to the first tailstock 441, the driving shaft 42 is rotatably connected to the second tailstock 442, the second motor 43 is connected to the driving shaft 42 through a coupling, the second motor 43 is provided with a second ear piece 445, and the second ear piece 445 is fixedly connected to the walking chassis 1, wherein the second motor 43 is a stepping motor, and the width of the seedling delivery device 4 is equal to the width of the seedling tray.

[0036] In this embodiment, the walking chassis 1 includes a bottom plate 11, rollers 12 and a push handle 13. The push handle 13 is fixedly connected to the upper side of the bottom plate 11. A bracket 14 is provided on the lower side of the bottom plate 11. The roller 12 is rollingly connected to the bracket 14. The duckbill transplanter 2, the seedling transmission device 3 and the seedling delivery device 4 are all installed on the bottom plate 11. In this embodiment, there are four rollers 12, and four brackets 14 are correspondingly provided. The four rollers 12 respectively include two fixed wheels and two universal wheels. The four brackets 14 correspondingly include two fixed wheel brackets and two universal wheel brackets. The fixed wheels are rollingly connected to the fixed wheel brackets, and the universal wheels are connected to the universal wheel brackets through couplings. The universal wheels are arranged at the front end of the walking chassis 1, and the fixed wheels are arranged at the rear end of the walking chassis 1. The push handle 13 transmits power by manually applying thrust to move the roller 12, thereby moving the walking chassis 1. The push handle 13 is connected to the bottom plate 11 through two push handle racks 15, and the two push handle racks 15 are connected to the rear end of the bottom plate 11. This arrangement enables the trolley to flexibly adjust its direction and ensure that the gap between the trolley and the seedlings meets the requirements. Preferably, a Hall sensor is installed at the rear roller 12 of the walking chassis 1 to detect the distance the trolley moves forward in real time. In other embodiments, a walking chassis 1 of other structural forms composed of a steering system, a transmission system, and a walking system can be selected.

[0037] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, improvements and changes obtained without departing from the technical concept of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A double-row duckbill transplanter, characterized in that: The invention comprises a walking chassis (1), a duckbill transplanter (2), a seedling transmission device (3) and a seedling delivery device (4) installed on the walking chassis (1); the duckbill transplanter (2) is provided with more than two and is arranged on opposite sides of the seedling delivery device (4); the seedling transmission device (3) is arranged above the seedling delivery device (4); the seedlings are transported to the bottom of the seedling transmission device (3) through the seedling delivery device (4); the seedling transmission device (3) lifts the seedlings upward and then transports them to the duckbill transplanters (2) on both sides respectively, so that the seedlings are vertically inserted into the soil through the duckbill transplanters (2).

2. The double-row duckbill transplanter according to claim 1, characterized in that: The duckbill transplanter (2) comprises a square tube (21), a first electric push rod (22) and a parallelogram mechanism (23); a fixing rod (24) is provided on the walking chassis (1); one end of the parallelogram mechanism (23) is connected to the square tube (21); the other end of the parallelogram mechanism (23) is connected to the fixing rod (24); the first electric push rod (22) is arranged to be tilted downward; one end of the first electric push rod (22) is connected to the fixing rod (24); the other end of the first electric push rod (22) is connected to the parallelogram mechanism (23); the duckbill transplanter (2) further comprises an opening and closing mechanism (25) for closing or opening the lower end of the square tube (21).

3. The double-row duckbill transplanter according to claim 2, characterized in that: The opening and closing mechanism (25) comprises a slide rail (251), a slider (252), an annular slide sleeve (253) and a clip (254); the annular slide sleeve (253) is sleeved on the outside of the square tube (21); the slide rail (251) is fixedly connected to the square tube (21); the slider (252) is fixedly connected to the annular slide sleeve (253); the slide rail (251) and the slider (252) slide in cooperation with each other; a plurality of clips (254) are provided; each of the clips (254) is hinged to the lower end of the square tube (21); and each of the clips (254) is connected to the annular slide sleeve (253) via a first connecting rod (255).

4. The double-row duckbill transplanter according to claim 2, characterized in that: The parallelogram mechanism (23) comprises two groups of parallel connecting rods arranged at intervals, each group of the parallel connecting rods comprises two parallel connecting rods (231), one end of each of the parallel connecting rods (231) is hinged to a fixed rod (24), the other end of each of the parallel connecting rods (231) is hinged to a square tube (21), and the first electric push rod (22) is hinged to the corresponding two parallel connecting rods (231).

5. The double-row duckbill transplanter according to claim 1, characterized in that: The seedling transmission device (3) comprises a guide tube (31) arranged corresponding to the duckbill transplanter (2), a clamping mechanism (32), and a driving assembly (33) for driving the guide tube (31) to move left and right and driving the clamping mechanism (32) to move up and down.

6. The double-row duckbill transplanter according to claim 5, characterized in that: The driving assembly (33) comprises a second electric push rod (331), a connecting rod mechanism (332) and a clamp fixing plate (333); a fixing frame (334) is provided on the walking chassis (1); one end of the second electric push rod (331) is connected to the fixing frame (334); the other end of the second electric push rod (331) is connected to the clamp fixing plate (333); the clamp mechanism (32) is mounted on the clamp fixing plate (333); the connecting rod mechanism (332) is arranged corresponding to the conduit (31) and is connected to the corresponding conduit (31).

7. The double-row duckbill transplanter according to claim 6, characterized in that: The connecting rod mechanism (332) comprises a cross bar (3321), a long connecting rod (3322), a short connecting rod (3323) and a guide rod (3324); the cross bar (3321) is connected to the fixing frame (334); one end of the cross bar (3321) is hinged to the long connecting rod (3322); the other end of the cross bar (3321) is hinged to the short connecting rod (3323); one end of the long connecting rod (3322) away from the cross bar (3321) is hinged to the guide tube (31); one end of the short connecting rod (3323) away from the cross bar (3321) is hinged to the guide tube (31); one end of the guide rod (3324) is hinged to the short connecting rod (3323); the other end of the guide rod (3324) is hinged to the clamp fixing plate (333).

8. The double-row duckbill transplanter according to claim 6, characterized in that: The clamping mechanism (32) comprises a first motor (321), a screw rod (322), a movable plate (323), a connecting plate (324) and a shovel (325); the first motor (321) is mounted on a clamping jaw fixing plate (333); one end of the screw rod (322) is connected to the first motor (321); the other end of the screw rod (322) is connected to the connecting plate (324); a copper nut (326) is provided on the screw rod (322); the movable plate (323) is connected to the copper nut (326); the shovel (325) is hinged to the connecting plate (324); and the shovel (325) is connected to the movable plate (323) via a second connecting rod (327).

9. The double-row duckbill transplanter according to any one of claims 1 to 8, characterized in that: The seedling delivery device (4) comprises an annular conveyor belt (41), a driving shaft (42), a driven shaft, a second motor (43) and a frame (44); one end of the annular conveyor belt (41) is wound around the driving shaft (42); the other end of the annular conveyor belt (41) is wound around the driven shaft; the output shaft of the second motor (43) is connected to the driving shaft (42); the driving shaft (42) and the driven shaft are respectively arranged at two ends of the frame (44) and are rotatably connected to the frame (44).

10. The double-row duckbill transplanter according to any one of claims 1 to 8, characterized in that: The walking chassis (1) comprises a bottom plate (11), a roller (12) and a push handle (13); the push handle (13) is fixedly connected to the upper side of the bottom plate (11); a bracket (14) is provided on the lower side of the bottom plate (11); the roller (12) is rollingly connected to the bracket (14); and the duckbill transplanter (2), the seedling transmission device (3) and the seedling delivery device (4) are all mounted on the bottom plate (11).

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