Pull-type three-row transplanter

Abstract

The utility model discloses a traction type three-row transplanter which comprises a frame and a three-line driving mechanism, symmetrically-distributed driving frames are fixedly connected into the frame, rotating shafts are rotationally connected to the rear ends of the driving frames, driving wheels are fixedly connected to the ends, away from the center of the frame, of the rotating shafts, shock absorbers are rotationally connected between the driving frames and the frame, and symmetrically-distributed wheel assemblies are rotationally connected to the rear end of the frame; transmission case assemblies which are uniformly distributed are arranged at the rear end of the frame, output handles, away from one ends of the center of the frame, of the transmission case assemblies are rotationally connected with first transmission assemblies, one ends, away from the center of the frame, of the three first transmission assemblies on the lower side are rotationally connected with movable frames, and transplanting hoppers are arranged at the rear ends of the movable frames; the three-line driving mechanism is arranged at the front end of the frame, the ends, close to the center of the frame, of the transmission case assemblies are fixedly connected with the rear end of the three-line driving mechanism, and the traction type three-line transplanter can drive three-line punching and transplanting work at the same time.

Description

Technical Field

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

[0002] The traction type three-row transplanter is a mechanical equipment pulled by a wheeled tractor, which has the functions of planting seedlings, punching and shaping. Its main working principle is to drive the duckbill movement through the rotation of the double crankshaft. The duckbill and the forward movement of the tractor are combined to realize the vertical planting of seedlings. The transplanting device and the punching movement are synchronized, ensuring that the punching and planting are in the same hole and position.

[0003] Some existing traction transplanters use a single-row transplanting method to transplant crops;

[0004] Such conventional traction transplanters have the following problems. For example, the single-row transplanting method may affect the crop transplanting efficiency of the traction transplanter and may increase the workload of the staff. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a towed three-row transplanter that can simultaneously realize the driving of three-row drilling and transplanting work, reduce manpower input, improve labor efficiency, help alleviate the shortage of tractors and drivers, and effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a towed three-row transplanter, comprising a frame and a three-line drive mechanism;

[0007] Frame: A symmetrically distributed driving frame is fixedly connected inside it, and the rear end of the driving frame is rotatably connected to a rotating shaft, and the end of the rotating shaft away from the center of the frame is fixedly connected to a driving wheel, and a shock absorber is rotatably connected between the driving frame and the frame, and the rear end of the frame is rotatably connected to a symmetrically distributed wheel assembly, and the rear end of the frame is provided with an evenly distributed transmission box assembly, and the output handle of the transmission box assembly away from the center of the frame is rotatably connected to the first transmission assembly, and the ends of the three first transmission assemblies on the lower side away from the center of the frame are rotatably connected to a movable frame, and the rear end of the movable frame is provided with a transplanting bucket;

[0008] Three-line drive mechanism: It is arranged at the front end of the frame, and the end of the transmission box assembly close to the center of the frame is fixedly connected to the rear end of the three-line drive mechanism, which can simultaneously realize the driving of three-row drilling and transplanting work, reduce manpower input, improve labor efficiency, and help alleviate the shortage of tractors and drivers.

[0009] Furthermore, the three-wire drive mechanism includes a main shaft, a coupling, a spline shaft, a sprocket 1, a chain 1 and a sprocket 2. The main shaft is rotatably connected to the front end of the frame, the left and right ends of the main shaft are connected to the spline shaft through a coupling, the sprocket 1 is fixedly connected to the middle of the main shaft and the spline shaft respectively, the sprocket 2 is fixedly connected to one end of the input shaft of the transmission box assembly close to the center of the frame, and the two longitudinally adjacent sprockets 1 and sprocket 2 are connected by chain 1 transmission.

[0010] Furthermore, the ends of the three first transmission assemblies on the lower side away from the center of the frame are fixedly connected to a cam, the ends of the movable frames away from the center of the frame are rotatably connected to a swing arm, the distal ends of the cams are cooperated and installed with the front ends of the longitudinally adjacent swing arms, the rear ends of the movable frames are rotatably connected to the rear duckbills, the lower ends of the movable frames are fixedly connected to baffles, springs are fixedly connected between the baffles and the longitudinally adjacent rear duckbills, and the swing arms are rotatably connected to the upper ends of the longitudinally adjacent rear duckbills.

[0011] Furthermore, evenly distributed seedling feeders are provided at the upper end of the frame, and the input shafts of the seedling feeders are connected to the output shafts of the transmission box assembly near the center end of the frame through transmission box 2. The transplanting buckets are vertically corresponding to the seedling outlets of the vertically adjacent seedling feeders, so as to automatically supply seedlings for the transplanting of crops.

[0012] Furthermore, sprocket three is fixedly connected to both left and right ends of the main shaft, sprocket four is fixedly connected to the middle of the rotating shaft, and longitudinally adjacent sprocket three and sprocket four are connected through chain two transmission to provide driving force for the operation of each mechanism.

[0013] Furthermore, a gearbox is provided at the front end of the frame, and the input shaft of the gearbox is connected to the power output shaft of the external tractor through a universal joint shaft. An oil tank is provided at the upper end of the frame, and a hydraulic oil pump is provided at the lower end of the oil tank. The oil tank is connected to the oil port of the hydraulic oil pump through an oil pipe. A driving motor is provided at the front end of the movable frame, and the hydraulic oil pump is connected to the driving motor through a conduit. The output shaft of the driving motor is fixedly connected to the upper end of the longitudinally adjacent punching device to provide driving force for the operation of the transplanter.

[0014] Furthermore, three seats are fixedly connected to the front end of the frame, and three pedals are fixedly connected to the middle part of the frame. The seats correspond longitudinally to the longitudinally adjacent pedals, and storage slots are fixedly connected between the pedals to provide working space for personnel.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the traction-type three-row transplanter has the following advantages:

[0016] Personnel connect the input shaft of the gearbox with the power output shaft of the external tractor through the universal joint transmission shaft. The external tractor drives the frame forward with the assistance of the wheel assembly. The driving wheel contacts the ground, and the gear teeth are pressed into the soil by the deadweight of the mechanism and the shock absorber. When the tractor moves forward, the resistance of the soil to the gear teeth enables the driving wheel to roll forward. The rotation of the driving wheel drives the rotation of the laterally adjacent shafts. The rotation of the shafts drives the rotation of the laterally adjacent sprocket four. The rotation of sprocket four drives the rotation of the longitudinally adjacent sprocket three through chain two. The sprocket three drives the main shaft to rotate. The rotation of the main shaft drives the two The spline shafts rotate, and the rotation of the main shaft and the spline shaft drives the vertically adjacent sprocket one to rotate. The rotation of sprocket one drives sprocket two to rotate through chain one. The rotation of sprocket two drives the input shaft of the longitudinally adjacent transmission box assembly to rotate. The rotation of the output shaft of the transmission box assembly drives the laterally adjacent first transmission components to rotate. The rotation of the two vertically adjacent first transmission components drives the laterally adjacent movable frames to rotate. The movable frames perform circular reciprocating motion, which can realize the driving of three rows of drilling and transplanting work at the same time, reduce personnel input, improve labor efficiency, and help alleviate the shortage of tractors and drivers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the left side of the utility model;

[0019] Figure 3 It is a cross-sectional structural schematic diagram of the rear side of the utility model;

[0020] Figure 4 It is a cross-sectional structural schematic diagram of the left side of the utility model;

[0021] Figure 5 This is an enlarged structural diagram of the utility model at A;

[0022] Figure 6 This is an enlarged structural diagram of the utility model at B;

[0023] Figure 7 It is a structural schematic diagram of the three-wire drive mechanism of the utility model.

[0024] In the figure: 1 frame, 2 transmission box assembly, 3 rear duckbill, 4 seedling feeder, 5 swing arm, 6 drive motor, 7 punching device, 8 three-wire drive mechanism, 81 main shaft, 82 coupling, 83 spline shaft, 84 sprocket one, 85 chain one, 86 sprocket two, 9 first transmission component, 10 oil tank, 11 gearbox, 12 hydraulic oil pump, 13 drive frame, 14 shock absorber, 15 cam, 16 spring, 17 storage slot, 18 seat, 19 pedal, 20 sprocket three, 21 sprocket four, 22 rotating shaft, 23 drive wheel, 24 chain two, 25 transmission box two, 26 transplanting bucket, 27 wheel assembly, 28 movable frame. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-7 ,This embodiment provides a technical solution: a towed three-row transplanter, comprising a frame 1 and a three-line drive mechanism 8;

[0027] The frame 1 is fixedly connected with a symmetrically distributed driving frame 13 inside, and the rear end of the driving frame 13 is rotatably connected with a rotating shaft 22, and the end of the rotating shaft 22 away from the center of the frame 1 is fixedly connected with a driving wheel 23, and the driving frame 13 and the frame 1 are rotatably connected with a shock absorber 14, and the rear end of the frame 1 is rotatably connected with a symmetrically distributed wheel assembly 27, and the rear end of the frame 1 is provided with a uniformly distributed transmission box assembly 2, and the output handle of the transmission box assembly 2 away from the center of the frame 1 is rotatably connected with the first transmission assembly 9, and the three first transmission assemblies 9 on the lower side are away from the center of the frame 1. One end of the frame 1 is rotatably connected with a movable frame 28, and a transplanting bucket 26 is provided at the rear end of the movable frame 28. The upper end of the frame 1 is provided with a uniformly distributed seedling supply device 4, and the input shaft of the seedling supply device 4 is transmission-connected with the output shaft of the transmission box assembly 2 near the center end of the frame 1 through the transmission box 25. The transplanting bucket 26 is vertically corresponding to the seedling outlet of the vertically adjacent seedling supply device 4. The left and right ends of the main shaft 81 are fixedly connected with a sprocket three 20, and the middle part of the rotating shaft 22 is fixedly connected with a sprocket four 21, and the longitudinally adjacent sprocket three 20 and sprocket four 21 are transmission-connected through the chain 24;

[0028] The three-wire drive mechanism 8 is arranged at the front end of the frame 1, and the end of the transmission box assembly 2 close to the center of the frame 1 is fixedly connected to the rear end of the three-wire drive mechanism 8. The three-wire drive mechanism 8 includes a main shaft 81, a coupling 82, a spline shaft 83, a sprocket 1 84, a chain 1 85 and a sprocket 2 86. The main shaft 81 is rotatably connected to the front end of the frame 1, and the left and right ends of the main shaft 81 are connected to the spline shaft 83 through the coupling 82. The sprocket 1 84 is fixedly connected to the middle of the main shaft 81 and the spline shaft 83 respectively. The sprocket 2 86 is fixedly connected to the end of the input shaft of the transmission box assembly 2 close to the center of the frame 1. The two longitudinally adjacent sprockets 1 84 and sprockets 2 86 are connected by chain 1 85. The external tractor drives the frame 1 forward under the auxiliary action of the wheel assembly 27. The driving wheel 23 contacts the ground, and the wheel teeth are pressed into the soil through the deadweight of the mechanism and the shock absorber 14. When the tractor moves forward, The resistance of the soil to the wheel teeth enables the driving wheel 23 to roll forward. The rotation of the driving wheel 23 drives the rotation of the laterally adjacent rotating shaft 22. The rotation of the rotating shaft 22 drives the rotation of the laterally adjacent sprocket four 21. The rotation of the sprocket four 21 drives the rotation of the longitudinally adjacent sprocket three 20 through the chain two 24. The sprocket three 20 drives the main shaft 81 to rotate. The rotation of the main shaft 81 drives the two spline shafts 83 to rotate through the coupling 82. The rotation of the main shaft 81 and the spline shaft 83 drives the rotation of the vertically adjacent sprocket one 84. The rotation of the sprocket one 84 drives the rotation of the sprocket two 86 through the chain one 85. The rotation of the sprocket two 86 drives the rotation of the input shaft of the longitudinally adjacent transmission box assembly 2. The rotation of the output shaft of the transmission box assembly 2 drives the rotation of the laterally adjacent first transmission assembly 9. The rotation of the two vertically adjacent first transmission assemblies 9 drives the rotation of the laterally adjacent movable frames 28. The movable frames 28 perform circular reciprocating motion.

[0029] Among them: the ends of the three first transmission components 9 on the lower side away from the center of the frame 1 are fixedly connected with the cam 15, the ends of the movable frame 28 away from the center of the frame 1 are rotatably connected with the swing arm 5, the distal ends of the cam 15 are matched with the front ends of the swing arms 5 adjacent in the longitudinal direction, the rear ends of the movable frames 28 are rotatably connected with the rear duckbills 3, the lower ends of the movable frames 28 are fixedly connected with baffles, the baffles and the rear duckbills 3 adjacent in the longitudinal direction are fixedly connected with springs 16, the swing arms 5 are rotatably connected with the upper ends of the rear duckbills 3 adjacent in the longitudinal direction, the hydraulic oil pump 12 is running, the operation of the hydraulic oil pump 12 causes the drive motor 6 to rotate, the rotation of the output shaft of the drive motor 6 drives the vertically adjacent punching devices 7 to rotate, when the movable frame 28 moves downward, the movable frame 28 drives the vertically adjacent punching devices 7 to move downward, realizes the punching work, and provides space for the transplanting of crops, and at the same time, the movable frame 28 moves downward with After the duckbill 3 moves downward, the three first transmission components 9 on the upper side rotate and reciprocate in a circle on the movable frame 28. At the same time, the transmission box assembly 2 drives the input shaft of the longitudinally adjacent seedling feeder 4 to rotate through the longitudinally adjacent transmission box 25, and the crop seedlings fall into the interior of the vertically adjacent transplanting bucket 26 through the seedling outlet. At the same time, the three first transmission components 9 on the lower side operate, and all drive the laterally adjacent cams 15 to rotate. When the distal end of the cam 15 contacts the longitudinally adjacent swing arm 5, the swing arm 5 is pushed to rotate downward, and the rear end of the swing arm 5 opens the longitudinally adjacent rear duckbill 3 to achieve the transplanting of crop seedlings. When the rear duckbill 3 is opened, the vertically adjacent spring 16 is elastically stretched. When the cam 15 stops contacting the swing arm 5, the elastic force of the spring 16 drives the longitudinally adjacent rear duckbill 3 to close. As the cam 15 moves in a circle, the transplanting of crops is achieved.

[0030] Wherein: a gearbox 11 is arranged at the front end of the frame 1, the input shaft of the gearbox 11 is connected to the power output shaft of the external tractor through a universal transmission shaft, an oil tank 10 is arranged at the upper end of the frame 1, a hydraulic oil pump 12 is arranged at the lower end of the oil tank 10, the oil tank 10 is connected to the oil port of the hydraulic oil pump 12 through an oil pipe, a driving motor 6 is arranged at the front end of the movable frame 28, the hydraulic oil pump 12 is connected to the driving motor 6 through a conduit, and the output shaft of the driving motor 6 is fixedly connected to the upper end of the punching device 7 adjacent to the longitudinal direction;

[0031] Among them, three seats 18 are fixedly connected to the front end of the frame 1, and three pedals 19 are fixedly connected to the middle part of the frame 1. The seats 18 correspond longitudinally to the longitudinally adjacent pedals 19, and storage slots 17 are fixedly connected between the pedals 19.

[0032] The working principle of a traction-type three-row transplanter provided by the utility model is as follows: when working, a person connects the input shaft of the gearbox 11 with the power output shaft of an external tractor through a universal transmission shaft, and the external tractor drives the frame 1 to move forward under the auxiliary action of the wheel assembly 27, and the driving wheel 23 contacts the ground, and the gear teeth are pressed into the soil through the dead weight of the mechanism and the shock absorber 14. When the tractor moves forward, the soil gives resistance to the gear teeth to achieve the forward rolling of the driving wheel 23, and the rotation of the driving wheel 23 drives the rotation of the laterally adjacent shaft 22, and the rotation of the shaft 22 drives the rotation of the laterally adjacent sprocket four 21, and the rotation of the sprocket four 21 is all connected The chain 24 drives the longitudinally adjacent sprocket 3 20 to rotate, the sprocket 3 20 drives the main shaft 81 to rotate, the rotation of the main shaft 81 drives the two spline shafts 83 to rotate through the coupling 82, the rotation of the main shaft 81 and the spline shaft 83 drives the vertically adjacent sprocket 1 84 to rotate, the rotation of the sprocket 1 84 drives the sprocket 2 86 to rotate through the chain 1 85, the rotation of the sprocket 2 86 drives the input shaft of the longitudinally adjacent transmission box assembly 2 to rotate, the rotation of the output shaft of the transmission box assembly 2 drives the laterally adjacent first transmission assembly 9 to rotate, the rotation of the two vertically adjacent first transmission assemblies 9 drives the laterally adjacent movable frame 28 to rotate, and the movable frame 28 all make circular reciprocating motion, and at the same time realize the operation of hydraulic oil pump 12. The operation of hydraulic oil pump 12 makes the driving motor 6 rotate. The rotation of the output shaft of the driving motor 6 drives the vertically adjacent punching device 7 to rotate. When the movable frame 28 moves down, the movable frame 28 drives the vertically adjacent punching device 7 to move down to realize the punching work and provide space for the transplanting of crops. At the same time, the downward movement of the movable frame 28 drives the rear duckbill 3 to move down, and the three first transmission components 9 on the upper side rotate. The movable frame 28 reciprocates in the circle. At the same time, the transmission box assembly 2 drives the input shaft of the longitudinally adjacent seedling supply device 4 to rotate through the longitudinally adjacent transmission box 25. The crop seedlings fall into the interior of the vertically adjacent transplanting bucket 26 through the seedling outlet, and at the same time, the three first transmission components 9 on the lower side operate, driving the laterally adjacent cams 15 to rotate. When the distal end of the cam 15 contacts the longitudinally adjacent swing arm 5, the swing arm 5 is pushed to rotate downward, and the rear end of the swing arm 5 opens the longitudinally adjacent rear duckbill 3 to achieve the transplanting of crop seedlings. When the rear duckbill 3 is opened, the vertically adjacent spring 16 is elastically stretched. When the cam 15 stops contacting the swing arm 5, the elastic force of the spring 16 drives the longitudinally adjacent rear duckbill 3 to close. As the cam 15 moves in a circle, the transplanting of crops is achieved.

[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A traction-type three-row transplanter, characterized in that: It comprises a vehicle frame (1) and a three-wire drive mechanism (8); The frame (1) is fixedly connected to a symmetrically distributed driving frame (13) inside the frame, the rear end of the driving frame (13) is rotatably connected to a rotating shaft (22), one end of the rotating shaft (22) away from the center of the frame (1) is fixedly connected to a driving wheel (23), a shock absorber (14) is rotatably connected between the driving frame (13) and the frame (1), the rear end of the frame (1) is rotatably connected to a symmetrically distributed wheel assembly (27), the rear end of the frame (1) is provided with a uniformly distributed transmission box assembly (2), the output handle of the transmission box assembly (2) away from the center of the frame (1) is rotatably connected to a first transmission assembly (9), the ends of the three first transmission assemblies (9) on the lower side away from the center of the frame (1) are rotatably connected to a movable frame (28), and the rear end of the movable frame (28) is provided with a transplanting bucket (26); A three-wire drive mechanism (8) is arranged at the front end of the vehicle frame (1), and one end of the transmission box assembly (2) close to the center of the vehicle frame (1) is fixedly connected to the rear end of the three-wire drive mechanism (8).

2. A towed three-row transplanter according to claim 1, characterized in that: The three-wire drive mechanism (8) comprises a main shaft (81), a coupling (82), a spline shaft (83), a sprocket wheel one (84), a chain wheel one (85) and a sprocket wheel two (86); the main shaft (81) is rotatably connected to the front end of the frame (1); both left and right ends of the main shaft (81) are connected to the spline shaft (83) via the coupling (82); the sprocket wheel one (84) is fixedly connected to the middle of the main shaft (81) and the spline shaft (83) respectively; the sprocket wheel two (86) is fixedly connected to one end of the input shaft of the transmission box assembly (2) close to the center of the frame (1); and two longitudinally adjacent sprocket wheels one (84) and two sprocket wheels two (86) are transmission-connected via the chain wheel one (85).

3. A towed three-row transplanter according to claim 2, characterized in that: The left and right ends of the main shaft (81) are fixedly connected to sprocket three (20), the middle part of the rotating shaft (22) is fixedly connected to sprocket four (21), and the longitudinally adjacent sprocket three (20) and sprocket four (21) are connected by chain two (24).

4. A towed three-row transplanter according to claim 1, characterized in that: A gearbox (11) is provided at the front end of the vehicle frame (1), and the input shaft of the gearbox (11) is connected to the power output shaft of an external tractor via a universal transmission shaft. An oil tank (10) is provided at the upper end of the vehicle frame (1), and a hydraulic oil pump (12) is provided at the lower end of the oil tank (10). The oil tank (10) is connected to the oil port of the hydraulic oil pump (12) via an oil pipe. A drive motor (6) is provided at the front end of each movable frame (28), and the hydraulic oil pump (12) is connected to the drive motor (6) via a guide tube. The output shaft of each drive motor (6) is fixedly connected to the upper end of a longitudinally adjacent punching device (7).

5. The towed three-row transplanter according to claim 1, characterized in that: Three seats (18) are fixedly connected to the front end of the frame (1), and three pedals (19) are fixedly connected to the middle of the frame (1). The seats (18) correspond longitudinally to the pedals (19) adjacent to each other in the longitudinal direction, and storage slots (17) are fixedly connected between the pedals (19).

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