Line dividing device and wheat single-row independent harvester

Abstract

The invention discloses a row dividing device and a wheat single-row independent harvester, and relates to the technical field of ear row harvesting equipment in crop planting and breeding, and the technical scheme is characterized in that the row dividing device comprises a harvester main body and a grain pulling device arranged at the front end of the harvester main body; the center rotating wheels are arranged on the two sides of the grain pulling device, the multiple sets of picking and separating rods are evenly distributed on the center rotating wheels, the driving motor is arranged on the harvester body, and the driving motor drives the center rotating wheels through a transmission belt. The center rotating wheels capable of independently rotating are arranged on the two sides of the grain pulling device, and the picking and separating rods are arranged on the center rotating wheels, so that when the harvester body harvests wheat, wheat parts staggered between rows can be picked up through rotation of the picking and separating rods, meanwhile, a single set of picking and separating rods are arranged to be in the form that two sets of shell separating barrels are oppositely combined, and the picking and separating efficiency is improved. By arranging the shell separating cylinder, lateral thrust can be generated on wheat straw through unfolding of the shell separating cylinder while wheat is picked open, it is guaranteed that the wheat straw is separated stably and thoroughly, and therefore the collection purity of single-row wheat samples is guaranteed, and the accuracy of follow-up research data is improved.

Description

Technical Field

[0001] The invention relates to the technical field of ear row harvesting equipment in crop planting and breeding, and in particular to a row divider and a wheat single-row independent harvester. Background Art

[0002] Crop breeding is the process of applying existing genetic and variation theories to practice, creating new varieties through artificial selection, hybridization and directional breeding, and using a variety of breeding methods to select high-yield, stable-yield, high-quality varieties, which plays an important role in increasing crop yields, improving quality and improving the efficiency of agricultural resource utilization. The breeding of tall-stalked crops uses planting fields dedicated to experiments for breeding. Conventionally, a single ear is a breeding material. After planting, the ear needs to be harvested and separated, and then subsequent trait research is carried out. During the harvesting process, because tall-stalked crops will fall to a certain extent around, especially in the breeding and harvesting operations of wheat samples, there will be straw or ears interlaced between rows, which will result in a certain amount of ears from other rows being brought in when harvesting with a harvester, resulting in impure sample species and low accuracy of research data, which affects the advancement of breeding work.

[0003] In view of this, the present invention is designed to solve the above-mentioned problems.

[0004] The above contents are only used to assist in understanding the technical solution of the present invention, and do not constitute an admission that the above contents are the closest prior art. Summary of the invention

[0005] The object of the present invention is to solve the above-mentioned deficiencies and provide a row divider and a single-row independent wheat harvester.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] The row separator comprises a central rotating wheel, a plurality of groups of separating rods evenly arranged on the central rotating wheel for separating the interlaced parts of crops between rows, and a driving motor for driving the central rotating wheel to rotate.

[0008] Furthermore, the separating rod is hollow and is divided into two groups of shell cylinders that can be opened in half. The central rotating wheel is provided with a movable frame located inside the separating rod for supporting the shell cylinders. The central rotating wheel is provided with a first driving component for driving the movable frame, so that the central rotating wheel drives the shell cylinders to periodically expand and close during rotation.

[0009] Furthermore, the movable frame includes an inner support tube arranged on the center rotating wheel, an inner support frame arranged on the center rotating wheel, two groups of bidirectional threaded screws rotatably arranged on the inner support frame and connected to the center rotating wheel for coaxial rotation, a threaded sleeve plate threadedly sleeved on the bidirectional threaded screw for reciprocating movement, and a connecting arm hingedly arranged between the threaded sleeve plate and the shell cylinder; a first limiting sliding groove for limiting sliding of the connecting arm is opened on the inner support tube; a limiting sliding rod with one end arranged on the center rotating wheel and the other end arranged on the inner support frame is also movably connected on the threaded sleeve plate.

[0010] Furthermore, the central rotating wheel includes a fixed wheel and a movable wheel which are rotatably connected to each other, wherein the movable wheel is transmission-connected to the driving motor, and the picking rod is arranged on the movable wheel; the first driving assembly includes a full toothed disk fixedly arranged on the fixed wheel and a first gear arranged at the end of the bidirectional threaded screw and meshing with the full toothed disk; the first gears on the bidirectional threaded screw located in the same group of picking rods are meshed with each other.

[0011] Furthermore, a swing mechanism corresponding to each group of picking rods is also provided in the central rotating wheel, which is used to drive the shell separation tube to make a circumferential swing with the axis of the inner support tube as the center when the shell separation tube is unfolded; the inner support tube is passed through the movable wheel and connected to its bearing, and the threaded sleeve plate includes an inner sleeve plate threadedly sleeved on the bidirectional threaded screw and an outer sleeve plate rotatably sleeved on the outer surface of the inner sleeve plate, wherein the limiting sliding rod is movably connected with the inner sleeve plate, and the connecting arm is hingedly provided on the outer sleeve plate; the swing mechanism includes a swing component arranged on the movable wheel and forming a transmission with the inner support tube, and a second driving component arranged in the central rotating wheel for driving the swing component.

[0012] Furthermore, the swing assembly includes a limit rail frame fixed on the movable wheel, a limit sliding block that slides in a limit position in the limit rail frame, a connecting frame arranged on the limit sliding block, a limit plate arranged at one end of the connecting frame away from the limit sliding block, and a lifting rod that slides in a limit position in a second limit sliding groove that is arranged on the inner support tube and opened on the limit plate.

[0013] Furthermore, the second driving assembly includes a residual toothed disk fixedly mounted on a fixed wheel, a second gear rotatably mounted on a movable wheel via a bearing frame and periodically meshing with the residual toothed disk, a third gear mounted on the second gear and coaxially rotating therewith, a fourth gear rotatably mounted on the movable wheel via a bearing frame and meshing with the third gear, a crankshaft mounted on the fourth gear, and a connecting rod rotatably mounted on the crankshaft; a fixing rod rotatably connected to an end of the connecting rod away from the crankshaft is disposed on the limiting slider.

[0014] A single-row independent wheat harvester comprises a harvester body and a straw plow arranged at the front end of the harvester body, and also comprises a row divider; the central rotating wheel is arranged at both sides of the straw plow and rotates independently relative to the straw plow, the driving motor is arranged on the harvester body, wherein the driving motor transmits power to the central rotating wheel through a transmission belt; the fixed wheels are fixedly arranged at both sides of the straw plow.

[0015] Compared with the prior art, the beneficial effects of the present solution are as follows: the present invention arranges a central rotating wheel and a picking rod, so that the rotation of the central rotating wheel can enable the picking rod to separate the crops between rows, so that other adjacent rows will not be harvested when the crop samples are harvested, and at the same time, a single set of picking rods is arranged in the form of two sets of shelling cylinders, so that when picking the crops, it can also generate lateral thrust on the straw through the expansion of the shelling cylinders, thereby ensuring that the separation is stable and thorough, and the harvested samples will not be mixed, thereby improving the accuracy of the test.

[0016] By setting the central rotating wheel on both sides of the tiller and allowing it to rotate independently relative to the tiller, and evenly distributing picking rods on the central rotating wheel, the harvester body cooperates with the row divider to use the picking rods to pick out the wheat parts staggered between rows when harvesting wheat, thereby ensuring the purity of single-row wheat sample collection and greatly improving wheat breeding research and experimental technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 Schematic diagram of the installation position of the embodiment of the present invention on the harvester body;

[0019] Figure 2 It is a schematic structural perspective view of an embodiment of the present invention;

[0020] Figure 3 is a disassembled schematic diagram of the central rotating wheel in an embodiment of the present invention;

[0021] Figure 4 is a schematic structural diagram of a fixed wheel in an embodiment of the present invention;

[0022] Figure 5 is a schematic diagram of the internal structure of the central rotating wheel in an embodiment of the present invention from a first viewing angle;

[0023] Figure 6 is a schematic diagram of the internal structure of the central rotating wheel in the embodiment of the present invention from a second viewing angle;

[0024] Figure 7 is a schematic diagram of a local structure in a central rotating wheel in an embodiment of the present invention;

[0025] Figure 8 Schematic diagram of the internal structure of the picking rod in the embodiment of the present invention;

[0026] Fig. 9 is a schematic structural diagram of a movable frame in an embodiment of the present invention;

[0027] Fig.10 is a cross-sectional schematic diagram of a movable frame in an embodiment of the present invention;

[0028] Fig.11 It is a schematic diagram of the structure of the inner support cylinder in an embodiment of the present invention;

[0029] Fig.12 Schematic diagram of the internal structure of the inner support cylinder in an embodiment of the present invention;

[0030] Fig.13 Schematic diagram of the structural disassembly of the threaded sleeve in an embodiment of the present invention;

[0031] Fig.14 It is a partial structural schematic diagram of the swing mechanism in an embodiment of the present invention;

[0032] Fig.15 It is a schematic diagram of a partial combined structure of a swing assembly and a second drive assembly in an embodiment of the present invention;

[0033] Fig.16 is a schematic structural diagram of a swing assembly in an embodiment of the present invention;

[0034] Fig.17 Schematic diagram of the disassembly of the swing assembly in the embodiment of the present invention.

[0035] In the figure: 1. harvester body; 11. tiller; 2. center rotating wheel; 21. picking rod; 22. driving motor; 23. transmission belt; 3. shell separation cylinder; 4. inner supporting cylinder; 41. inner supporting frame; 42. bidirectional threaded screw; 43. threaded sleeve; 44. connecting arm; 45. first limiting slide; 46. limiting slide; 5. fixed wheel; 51. movable wheel; 52. full toothed disc; 53. first gear; 6. inner sleeve; 61. outer sleeve; 7. limiting rail frame; 71. limiting slide; 72. connecting frame; 73. limiting plate; 74. second limiting slide; 75. picking rod; 8. residual toothed disc; 81. second gear; 82. third gear; 83. fourth gear; 84. crank shaft; 85. connecting rod; 86. fixing rod. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0037] like Figure 1-17 The row divider shown includes a central rotating wheel 2, a plurality of groups of picking and dividing rods 21 evenly distributed on the central rotating wheel 2, and a driving motor 22 arranged on the harvester body 1, wherein the row divider can be assembled on a wheat harvester to be assembled into a single-row independent wheat harvester, the single-row independent wheat harvester includes a harvester body 1 and a straw plow 11 arranged at the front end of the harvester body 1, the central rotating wheel 2 is arranged on both sides of the straw plow 11 and rotates independently relative to it, the driving motor 22 is arranged on the harvester body 1, wherein the driving motor 22 transmits power to the central rotating wheel 2 through a transmission belt 23, the electrical signal of the driving motor 22 is connected to the harvester body 1, when the harvester body 1 is started for single-row harvesting, the driving motor 22 is started synchronously, and drives the central rotating wheel 2 to rotate through the transmission belt 23, and the central rotating wheel 2 moves upward through the picking and dividing rod 21 during the rotation process, thereby picking out the staggered parts of the wheat between the rows, so that the straw plow 11 will not pull part of the wheat from the adjacent rows together when plowing the wheat backwards, thereby ensuring the purity of the collected samples.

[0038] In one embodiment, the picking rod 21 is hollow and is divided into two groups of shell cylinders 3 that can be opened in half. A movable frame for supporting the shell cylinder 3 is provided on the central rotating wheel 2 and is located inside the picking rod 21. A first driving component for driving the movable frame is provided inside the central rotating wheel 2, so that the central rotating wheel 2 drives the shell cylinder 3 to expand and close periodically during rotation. The expansion of the shell cylinder 3 can make the picking rod 21 generate lateral thrust on the straw part of the wheat when picking the wheat, thereby increasing the separation distance of the wheat, ensuring that when the wheat plow 11 is plowing the wheat together, no part of the wheat in the adjacent rows will have an interlaced point with the wheat in the collecting row, so that the effect of separating the wheat is better and more thorough.

[0039] In one embodiment, the movable frame includes an inner support tube 4 arranged on the center rotating wheel 2, an inner support frame 41 arranged on the center rotating wheel 2, two groups of bidirectional threaded screws 42 rotatably arranged on the inner support frame 41 and connected to the center rotating wheel 2 for coaxial rotation, a threaded sleeve 43 threadedly sleeved on the bidirectional threaded screw 42 for reciprocating movement, and a connecting arm 44 hingedly arranged between the threaded sleeve 43 and the shell cylinder 3; a first limiting sliding groove 45 for limiting sliding of the connecting arm 44 is opened on the inner support tube 4; a limiting sliding rod 46 with one end arranged on the center rotating wheel 2 and the other end arranged on the inner support frame 41 is also movably connected on the threaded sleeve 43, by driving the two coaxial groups of bidirectional threaded screws 42 to rotate, the threaded sleeve 43 on the bidirectional threaded screw 42 is made to move relative to each other, and the threaded sleeve 43 will drive the shell cylinder 3 to perform expansion and closing actions through the connecting arm 44 during the movement.

[0040] In one embodiment, the central rotating wheel 2 includes a fixed wheel 5 and a movable wheel 51 that are rotatably connected to each other, wherein the movable wheel 51 is transmission-connected to the driving motor 22, the picking rod 21 is arranged on the movable wheel 51, and the fixed wheel 5 is fixedly arranged on the mounting frames on both sides of the plowing device 11, and it does not rotate synchronously with the plowing device 11; the first driving component includes a full toothed disc 52 fixedly arranged on the fixed wheel 5 and a first gear 53 arranged at the end of the bidirectional threaded screw 42 and meshing with the full toothed disc 52; the first gears 53 on the bidirectional threaded screw 42 located in the same group of picking rods 21 are meshed with each other, and when the driving motor 22 drives the movable wheel 51 to rotate through the transmission belt 23, the bidirectional threaded screw 42 arranged on the movable wheel 51 will drive the first gear 53 at its rear end to mesh with the full toothed disc 52 The shelling cylinder 3 is fully unfolded when the first gear 53 is rotated halfway on the full toothed disk 52, and is fully closed when the first gear 53 is rotated halfway. As a result, when the picking rod 21 completes a circle of circular motion, the shelling cylinder 3 at its upper end completes a cycle of unfolding and closing. At the same time, the initial unfolding and fully closing actions of the shelling cylinder 3 are set at the meshing point of the first gear 53 and the bottom end of the full toothed disk 52, so as to maximize the unfolding position of the shelling cylinder 3 to be below the staggered part of the wheat that is about to enter the rows. As a result, when the picking rod 21 rotates toward the staggered point of the wheat, the unfolding degree of the shelling cylinder 3 will gradually increase, forming a picking and pushing action, so that the wheat can be stably separated.

[0041] In one embodiment, a swing mechanism corresponding to each group of separation rods 21 is also provided in the central rotating wheel 2, which is used to drive the separation cylinder 3 to make a circumferential swing within a certain range with the axis of the inner support cylinder 4 as the center when the separation cylinder 3 is unfolded; the inner support cylinder 4 passes through the movable wheel 51 and is connected to its bearing, and the threaded sleeve 43 includes an inner sleeve 6 threadedly sleeved on the bidirectional threaded screw 42 and an outer sleeve 61 rotatably sleeved on the outer surface of the inner sleeve 6, wherein the limiting slide 46 is movably connected with the inner sleeve 6, and the connecting arm 44 is hingedly arranged on the outer sleeve 61; the swing mechanism includes a sleeve arranged on the movable wheel 51 and formed between the inner support cylinder 4 The transmission swinging assembly and the second driving assembly arranged in the central rotating wheel 2 for driving the swinging assembly, utilize the design of making the shelling cylinder 3 swing synchronously when it rotates and unfolds, so as to imitate the stirring action when people separate wheat by hand. This action imitation can make the wheat separation process more gentle. The swing of the shelling cylinder 3 intermittently stirs the wheat straw on its side, so as to better gradually separate the wheat that is more closely intertwined, thereby avoiding the situation where some wheat grains on the adjacent rows of wheat are separated and mixed with the wheat in the collection row due to hard separation, and further improves the collection accuracy of single-row samples.

[0042] In one embodiment, the swing assembly includes a limit rail frame 7 fixed on the movable wheel 51, a limit slider 71 that slides in the limit rail frame 7, a connecting frame 72 arranged on the limit slider 71, a limit plate 73 arranged at one end of the connecting frame 72 away from the limit slider 71, and a lifting rod 75 that slides in a limit position in a second limit slot 74 that is arranged on the inner support tube 4 and opened on the limit plate 73. When the limit slider 71 moves in the limit rail frame 7, it will drive the second limit slot 74 to reciprocate synchronously through the connecting frame 72, and then the limit plate 73 will drive the lifting rod 75 to move. The inner support tube 4 is fixed on the inner support tube 4, so that the inner support tube 4 can swing within a certain range. At the same time, the limit plate 73 slides in the second limit slot 74. When the inner support tube 4 swings, it drives the connecting arm 44 to rotate synchronously through the first limit slot 45 set at the upper end, thereby driving the split shell tube 3 to swing. At the same time, the inner support tube 4 has a relative sliding arrangement with the outer sleeve plate 61 and the inner sleeve plate 6 inside the inner support tube 4, so that the inner sleeve plate 6 will not be driven to rotate when the inner support tube 4 swings, so that the two-way threaded screw 42 rotates to drive the inner sleeve plate 6 to move and drive the split shell tube 3 to expand and close. The action and the swinging action thereof do not affect each other and can be performed synchronously.

[0043] In one embodiment, the second driving assembly includes a residual toothed disc 8 fixedly arranged on the fixed wheel 5, a second gear 81 rotatably arranged on the movable wheel 51 through a bearing frame and periodically meshing with the residual toothed disc 8, a third gear 82 arranged on the second gear 81 and coaxially rotating therewith, a fourth gear 83 rotatably arranged on the movable wheel 51 through a bearing frame and meshing with the third gear 82, a crankshaft 84 arranged on the fourth gear 83, and a connecting rod 85 rotatably arranged on the crankshaft 84; a fixing rod 86 rotatably connected to one end of the connecting rod 85 away from the crankshaft 84 is arranged on the limiting slider 71, and when the movable wheel 51 is rotating, its upper end The second gears 81 of different groups will periodically mesh with the residual tooth disk 8 in sequence. When they mesh with the residual tooth disk 8, the second gear 81 drives the third gear 82 to rotate synchronously by rotating. The third gear 82 transmits to the fourth gear 83, so that the crank shaft 84 on it rotates with the axis of the fourth gear 83 as the center of the circle, and then drives the limiting slider 71 to reciprocate in the limiting rail frame 7 through the connecting rod 85, thereby driving the shell cylinder 3 to swing through the reciprocating activity of the limiting slider 71, and the position of the residual tooth disk 8 is set to mesh with the second gear 81 only after the shell cylinder 3 is expanded to a certain extent, so as to ensure that the shell cylinders 3 will not affect each other when swinging.

[0044] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

Claims

1. A line divider, characterized in that: The invention comprises a central rotating wheel (2), a plurality of groups of separating rods (21) evenly arranged on the central rotating wheel (2) for separating the interlaced parts of crops between rows, and a driving motor (22) for driving the central rotating wheel (2) to rotate.

2. The row divider according to claim 1, characterized in that: The separating rod (21) is hollow and is divided into two shell cylinders (3) that can be opened in half. The central rotating wheel (2) is provided with a movable frame located inside the separating rod (21) for supporting the shell cylinder (3). The central rotating wheel (2) is provided with a first driving component for driving the movable frame, so that the central rotating wheel (2) drives the shell cylinder (3) to open and close periodically during the rotation process.

3. The row splitter according to claim 2, characterized in that: The movable frame comprises an inner support cylinder (4) arranged on the central rotating wheel (2), an inner support frame (41) arranged on the central rotating wheel (2), two sets of bidirectional threaded screws (42) rotatably arranged on the inner support frame (41) and connected to the central rotating wheel (2) for coaxial rotation, a threaded sleeve plate (43) threadably sleeved on the bidirectional threaded screws (42) for reciprocating movement, and a connecting arm (44) hingedly arranged between the threaded sleeve plate (43) and the split shell cylinder (3); The inner support tube (4) is provided with a first limiting sliding groove (45) for the connecting arm (44) to slide in a limited manner; The threaded sleeve plate (43) is also movably connected with a limiting sliding rod (46) with one end arranged on the central rotating wheel (2) and the other end arranged on the inner support frame (41).

4. The row splitter according to claim 3, characterized in that: The central rotating wheel (2) comprises a fixed wheel (5) and a movable wheel (51) which are rotatably connected to each other, wherein the movable wheel (51) is transmission-connected to a driving motor (22), and the picking rod (21) is arranged on the movable wheel (51); The first driving assembly comprises a full toothed disc (52) fixedly arranged on the fixed wheel (5) and a first gear (53) arranged at the end of the bidirectional threaded screw (42) and meshing with the full toothed disc (52); The first gears (53) on the bidirectional threaded screw rods (42) in the same group of picking rods (21) are meshed with each other.

5. The row splitter according to claim 3 or 4, characterized in that: The central rotating wheel (2) is also provided with a swing mechanism corresponding to each group of separation rods (21), which is used to drive the separation cylinder (3) to swing in a circumferential direction with the axis of the inner support cylinder (4) as the center when the separation cylinder (3) is unfolded; The inner support cylinder (4) passes through the movable wheel (51) and is connected to its bearing, the threaded sleeve plate (43) comprises an inner sleeve plate (6) threadedly sleeved on the bidirectional threaded screw (42) and an outer sleeve plate (61) rotatably sleeved on the outer surface of the inner sleeve plate (6), wherein the limit sliding rod (46) is movably connected with the inner sleeve plate (6), and the connecting arm (44) is hingedly arranged on the outer sleeve plate (61); The swing mechanism comprises a swing component which is arranged on the movable wheel (51) and forms a transmission with the inner support cylinder (4), and a second driving component which is arranged in the central rotating wheel (2) and is used to drive the swing component.

6. The row splitter according to claim 5, characterized in that: The swing assembly comprises a limit rail frame (7) fixed on the movable wheel (51), a limit slider (71) that slides in a limit position in the limit rail frame (7), a connecting frame (72) arranged on the limit slider (71), a limit plate (73) arranged at one end of the connecting frame (72) away from the limit slider (71), and a lifting rod (75) that slides in a limit position in a second limit slide groove (74) provided on the limit plate (73) and arranged on the inner support tube (4).

7. The row splitter according to claim 6, characterized in that: The second driving assembly comprises a residual toothed disc (8) fixedly arranged on the fixed wheel (5), a second gear (81) rotatably arranged on the movable wheel (51) through a bearing frame and periodically meshing with the residual toothed disc (8), a third gear (82) arranged on the second gear (81) and coaxially rotating therewith, a fourth gear (83) rotatably arranged on the movable wheel (51) through the bearing frame and meshing with the third gear (82), a crankshaft (84) arranged on the fourth gear (83), and a connecting rod (85) rotatably arranged on the crankshaft (84); The limiting slider (71) is provided with a fixing rod (86) rotatably connected to an end of the connecting rod (85) away from the crank shaft (84).

8. A single-row independent wheat harvester, comprising a harvester body (1) and a reed-puller (11) arranged at the front end of the harvester body (1), characterized in that: A row splitter comprising claims 4-7; The central rotating wheel (2) is arranged on both sides of the reeder (11) and rotates independently relative to the reeder, and the driving motor (22) is arranged on the harvester body (1), wherein the driving motor (22) transmits power to the central rotating wheel (2) through a transmission belt (23); The fixed wheels (5) are fixedly arranged on both sides of the reed plow (11).

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