Small harvester

Abstract

The invention relates to the field of agricultural machinery, in particular to a small harvester. Which comprises a frame assembly and is characterized in that a harvesting assembly is arranged on the front side of the frame assembly, and a threshing machine, a grain feeding pipe, a bag sucking and opening assembly, a rotating assembly, a bag placing table, a grain bag pushing assembly, a seam shearing assembly and a roller assembly are arranged above the frame assembly; the threshing machine is connected with the harvesting assembly through a conveying pipe, a grain conveying pipe is arranged on the rear side of the threshing machine, a bag suction opening assembly is arranged at an outlet of the grain conveying pipe, a rotating assembly is arranged on the frame assembly opposite to the bag suction opening assembly, and a bag placing table is arranged on the frame assembly located on the rear side of the rotating assembly. A seam shearing assembly is arranged on the portion, located on one side of the bag sucking and opening assembly and the rotating assembly, of the frame assembly. According to the invention, new energy is used for replacing petroleum energy, so that the environment-friendly requirement is met; the suction bag opening device and the rotating assembly can achieve automatic bag feeding and opening of a bag opening, the weight of grains in the suction bag is controlled below the opened suction bag through the weighing table, after the requirement is met, the suction bag is packaged through the linear guide rail via the seam shearing assembly, finally, the full suction bag is pushed down from the equipment through the grain bag pushing assembly, unmanned operation is achieved in the whole process, and the labor intensity of workers is reduced. High intelligence is achieved, and the harvesting efficiency can be effectively improved.

Description

Technical Field

[0001] The invention relates to the field of agricultural machinery, and in particular to a small harvester. Background Art

[0002] A harvester is a common integrated machine for harvesting crops. It completes harvesting and threshing at one time, collects the grains into storage bins, and then transfers the grains to transport vehicles via conveyor belts. It can also be harvested manually by laying rice, wheat and other crops' stalks in the field, and then picking them up and threshing them with grain harvesting machinery. However, the common harvesters on the market usually require human drivers, so harvesters are usually relatively large. In addition, due to the addition of a control system, the whole machine is heavy. In complex terrain, harvesters are prone to sinking into the soil, especially in paddy fields or muddy land. They also require manual operation, which cannot meet the current development trend of intelligent agricultural planting. Summary of the invention

[0003] The present invention provides a small harvester, which reduces weight to meet the needs of field harvesting in complex terrain, especially paddy fields or muddy fields, and has unmanned operation to meet the current trend of intelligent agricultural planting.

[0004] To solve the above technical problems, a small harvester comprises a frame assembly, characterized in that: a harvesting assembly is provided on the front side of the frame assembly, and a thresher, a grain feeding pipe, a suction bag opening assembly, a rotating assembly, a bag placing platform, a grain bag pushing assembly, a shearing assembly and a roller assembly are provided above the frame assembly. The thresher is provided on the front side above the frame assembly, the thresher is connected to the harvesting assembly through a conveying pipe, a grain feeding pipe is provided on the rear side of the thresher, a suction bag opening assembly is provided at the outlet of the grain feeding pipe, a rotating assembly is provided on the frame assembly opposite to the suction bag opening assembly, a bag placing platform is provided on the frame assembly located at the rear side of the rotating assembly, a shearing assembly is provided on the frame assembly located on one side of the suction bag opening assembly and the rotating assembly, a suction bag opening assembly and a rotating assembly are provided on one side of the shearing assembly, a grain bag pushing assembly is provided on the frame assembly on the other side of the shearing assembly, a roller assembly is provided on the frame assembly located at the rear side of the grain bag pushing assembly, and an air compressor platform is provided on the frame assembly located in front of the grain bag pushing assembly.

[0005] The frame assembly includes a frame, a reduction gear box, a motor support frame, a supporting roller, a crawler track and a tensioning wheel. A reduction gear box is respectively provided on the front and rear sides of the frame, a reducer is provided in the reduction gear box, an output shaft of the reducer passes through the reduction gear box and is connected to the tensioning wheel, a plurality of supporting rollers are respectively provided on the left and right ends of the frame, a crawler track is respectively provided on the left and right ends of the frame, and the frame assembly drives the crawler track to move through the tensioning wheel and the plurality of supporting rollers; a motor support frame is provided on the frame between the two reduction gear boxes, a mudguard is provided on the side of the motor support frame away from the frame, and a reinforcing triangle plate is also provided on the front end surface of the reduction gear box at the front end of the frame.

[0006] The frame is also provided with a pulley motor, which is fixed between a reduction gear box and a motor support frame at the front end of the frame. The output end of the pulley motor is connected to a pulley, and a belt is sleeved on the pulley.

[0007] A hydraulic lifting assembly is provided on the front end of the frame assembly, and the hydraulic lifting assembly includes an oil pump motor, a hydraulic oil pump and a motor fixing seat. The oil pump motor is fixed to the frame assembly through the motor fixing seat, and the output end of the oil pump motor is connected to the hydraulic oil pump. The output end of the hydraulic oil pump is connected to the harvesting assembly through a connecting rod.

[0008] The suction bag expansion assembly includes a cylinder, a suction bag connecting plate and a fixing pin. The outer side of the particle feeding tube wraps the suction bag connecting plate. The suction bag connecting plate is in a frame shape with one end open. A suction cup assembly is provided at the opening of the suction bag connecting plate. A long opening is provided on the side of the suction bag connecting plate. The fixing pin passes through the long opening to fix the suction bag expansion assembly to the particle feeding tube.

[0009] The rotating assembly includes a rodless cylinder, a rotating fixed plate, a rotating cylinder, an L-shaped slide rail and a connecting piece. The rodless cylinder is fixed on the frame assembly. The rodless cylinder is provided with a rotating fixed plate. The rotating fixed plate is provided with a rotating cylinder. The output end of the rotating cylinder is provided with a cross bar. The two ends of the cross bar are respectively embedded in the L-shaped slide rail. A fixed plate is connected to the L-shaped slide rail through a connecting piece. The fixed plate is provided with a suction cup assembly. The suction cup assembly of the rotating assembly and the suction cup assembly of the suction bag opening assembly are relatively arranged.

[0010] The suction cup assembly comprises a pin suction cup and a connecting plate. Two pin suction cups are provided and the two pin suction cups are placed side by side. The two pin suction cups are connected by the connecting plate.

[0011] A weighing platform is provided on the frame assembly between the bag suction and opening assembly and the rotating assembly, and a servo motor is provided on the frame assembly located on one side of the weighing platform. The servo motor is connected to a linear guide rail, one end of the linear guide rail is close to the servo motor, and the other end of the linear guide rail is close to the grain bag pushing assembly.

[0012] A shearing assembly is provided on the frame assembly on one side of the linear guide rail, and the shearing assembly includes a shearing motor, a shearing bracket, pneumatic scissors and a bag sewing machine. The shearing bracket is in an inverted L-shape, and the L-shaped vertical section of the shearing bracket is fixed on the frame assembly, and the bag sewing machine is provided at the front end of the L-shaped horizontal section of the shearing bracket. Pneumatic scissors and a shearing motor are respectively provided at the left and right ends of the L-shaped horizontal section of the shearing bracket. Two shearing motors are provided, and the output shafts of the two shearing motors are downwardly connected to driving wheels. A plurality of driven wheels cooperating with the driving wheels are also provided below the shearing motor. A rotating belt is provided outside the driving wheel and the cooperating driven wheel below any of the shearing motors. The belts under the two shearing motors rotate in opposite directions, and the gap between the two belts faces the gap of the pneumatic scissors.

[0013] The grain bag pushing assembly includes a push plate cylinder and a push plate, wherein the push plate cylinder is fixed on the frame assembly, and a push plate is provided at the rear end of the push plate cylinder; the roller assembly includes a roller and a roller fixing plate, wherein the roller fixing plates are provided with two oppositely placed plates, and a plurality of rollers are provided between the two roller fixing plates.

[0014] According to the present invention, new energy is used to replace petroleum energy to meet the requirements of environmental protection; the suction bag expansion device and the rotating component can achieve the operation of automatically loading the bag and opening the bag mouth, and the weight of the grain in the suction bag is controlled by a weighing table under the expanded suction bag. After meeting the requirements, the suction bag is packed through the shearing component through the linear guide rail, and finally the grain bag pushing component pushes the filled suction bag off the equipment. The whole process is unmanned and highly intelligent, which can effectively improve the harvesting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention.

[0016] Figure 2 It is a left side view of the present invention.

[0017] Figure 3 It is a right side view of the present invention.

[0018] Figure 4 It is a top view of the present invention.

[0019] Figure 5 It is a structural schematic diagram of the frame assembly in the present invention.

[0020] Figure 6 It is a structural schematic diagram of the hydraulic lifting assembly in the present invention.

[0021] Figure 7 It is a structural schematic diagram of the grain bag pushing assembly in the present invention.

[0022] Figure 8 It is a structural schematic diagram of the roller assembly in the present invention.

[0023] Fig. 9 It is a structural schematic diagram of the suction cup assembly in the present invention.

[0024] Fig.10 It is a structural schematic diagram of the rotating assembly in the present invention.

[0025] Fig.11a It is a structural schematic diagram of the seam shear assembly of the present invention.

[0026] Fig.11b It is a front view of the seam shear assembly of the present invention.

[0027] Fig.11c It is a side view of the seam shear assembly of the present invention.

[0028] Among them, 1 is a harvesting component, 2 is a suction cup component, 3 is a hydraulic lifting component, 4 is a roller component, 5 is a suction bag expansion component, 6 is a rotating component, 7 is a frame component, 8 is a grain bag pushing component, 9 is a sewing and shearing component, 10 is a bag placing table, 11 is a pulley motor, 12 is a pulley, 13 is a belt, 14 is a conveying pipe, 15 is a thresher, 16 is a grain feeding pipe, 17 is a servo motor, 18 is a linear guide rail, 19 is an air compressor, 20 is a weighing table, 201 is a needle suction cup, 202 is a connecting plate, 301 is an oil pump motor, 302 is a hydraulic oil pump, 303 is a motor fixing seat, 401 is a roller, 402 is a roller fixing plate, 5 01 is the cylinder, 502 is the bag suction connecting plate, 503 is the fixing pin, 601 is the rodless cylinder, 602 is the rotating fixing plate, 603 is the rotating cylinder, 604 is the L-shaped slide rail, 605 is the fixing plate, 606 is the connecting piece, 701 is the reinforcing triangle plate, 702 is the reduction gear box, 703 is the motor support frame, 704 is the fender, 705 is the supporting wheel, 706 is the crawler track, 707 is the tensioning wheel, 801 is the push plate cylinder, 802 is the push plate, 901 is the sewing and shearing motor, 902 is the driven wheel, 903 is the sewing and shearing bracket, 904 is the pneumatic scissors, 905 is the bag sewing machine, 906 is the rotating belt, and 907 is the driving wheel. DETAILED DESCRIPTION

[0029] Next, combine Figure 1-11c A small harvester according to an embodiment of the present invention is described, wherein: Figure 1-4The structure diagram of the present invention is shown in FIG. 1 , wherein a harvesting assembly 1 is provided on the front side of the frame assembly 7, and a thresher 15, a grain feeding pipe 16, a suction bag opening assembly 5, a rotating assembly 6, a bag placing platform 10, a grain pushing bag assembly 8, a shearing assembly 9 and a roller assembly 4 are provided above the frame assembly 7. The thresher 15 is provided on the front side above the frame assembly 7, and the thresher 15 is connected to the harvesting assembly 1 through a conveying pipe 14. A grain feeding pipe 16 is provided on the rear side of the thresher 15, and a suction bag opening assembly 5 is provided at the outlet of the grain feeding pipe 16. A rotating assembly 6 is provided on the frame assembly 7 opposite to the opening assembly 5, a bag placing table 10 is provided on the frame assembly 7 located at the rear side of the rotating assembly 6, a shearing assembly 9 is provided on the frame assembly 7 located on one side of the bag suction and opening assembly 5 and the rotating assembly 6, a bag suction and opening assembly 5 and a rotating assembly 6 are provided on one side of the shearing assembly 9, a grain pushing bag assembly 8 is provided on the frame assembly 7 on the other side of the shearing assembly 9, a roller assembly 4 is provided on the frame assembly 7 located at the rear side of the grain pushing bag assembly 8, and an air compression table 19 is provided on the frame assembly 7 located at the front side of the grain pushing bag assembly 8.

[0030] In addition, an air compressor 19 is also provided on the frame assembly 7. The air compressor 19 is fixed on the frame assembly 7 through an air compressor stand. The air compressor 19 is a machine that requires pressure in the present invention.

[0031] In order to ensure that the grains in the grain feeding tube 16 will not fly out due to the inertia of transportation, the grain feeding tube 16 is provided with a horizontal section, a bent upward section and a bent downward section in sequence at the outlet end. On the one hand, the bent upward section can reduce the inertia generated during the grain transportation process, and on the other hand, the bent downward section can ensure that the grains in the grain feeding tube 16 fall downward into the suction bag and will not escape from the suction bag due to inertia.

[0032] like Figure 5 As shown, the frame assembly 7 includes a frame, a reduction gear box 702, a motor support frame 703, a supporting roller 705, a track 706 and a tensioning wheel 707. A reduction gear box 702 is provided on the front and rear sides of the frame respectively. A reducer is provided in the reduction gear box 702. The output shaft of the reducer passes through the reduction gear box 702 and is connected to the tensioning wheel 707. A plurality of supporting rollers 705 are provided on the left and right ends of the frame respectively. A track 706 is provided on the left and right ends of the frame respectively. The frame assembly 7 drives the track 706 to move through the tensioning wheel 707 and the plurality of supporting rollers 705. A motor support frame 703 is provided on the frame between the two reduction gear boxes 702. A fender 704 is provided on the side of the motor support frame 703 away from the frame. A reinforcing triangle piece 701 is also provided on the front end surface of the reduction gear box 702 at the front end of the frame.

[0033] In this way, the tensioning wheel 707 on one side of the frame and the supporting wheel 705 on the same side are wrapped with a track 706, wherein the tensioning wheel 707 acts as a driving wheel and provides power to the track 706 under the drive of the reducer, and the supporting wheel 705 moves as a passive wheel under the action of the track 706; a roller is provided on the side opposite to the direction of the output end of the reducer, which serves to make the track 706.

[0034] In addition, the reducer box 702 adopts an output shaft at one end, and the output shafts of the reducers at the front and rear ends of the frame assembly 7 pass through the reducer box 702 in different directions. For example, if the output end of the reducer at the front end of the frame faces to the left, then the output end of the reducer at the rear end of the frame faces to the right, or if the output end of the reducer at the front end of the frame faces to the right, then the output end of the reducer at the rear end of the frame faces to the left. In this way, the speed difference of the front and rear tensioning wheels 707 can be achieved through the different deceleration effects of the reducers at the front and rear ends of the frame, thereby achieving the purpose of steering.

[0035] In addition, a motor is provided on the click support frame 703 on the frame, and the output shaft of the motor is respectively connected to the reducers at the front and rear ends of the frame to provide power. The small harvester of the present invention needs to work in the soil. In order to prevent the motor from being damaged by accumulated water or muddy water in rainy days, a mud guard 704 is provided on one side of the motor support frame 703 close to the crawler 706 to prevent muddy water or accumulated water from splashing.

[0036] like Figure 1-4 As shown, a pulley motor 11 is also provided on the frame, and the pulley motor 11 is fixed between the reduction gear box 702 and the motor support frame 703 at the front end of the frame. The output end of the pulley motor 11 is connected to the pulley 12, and the pulley 12 is provided with a belt 13.

[0037] Among them, the harvesting component 1 as a whole can adopt a conventional harvesting structure. For example, the harvesting component 1 includes a hopper, a harvesting knife on the front side of the hopper, a lower harvesting knife under the hopper, and a reel above the hopper. Although not shown in the figure, the connecting rod in the middle of the reel is connected to the belt 13, and the belt motor wheel 11 drives the reel to rotate through the pulley 12 and the belt 13, so that during the movement of the small harvester of the present invention, crops such as wheat are moved, and the harvesting knife on the front side of the hopper harvests the wheat ears on the wheat stalks into the hopper, and the lower harvesting knife under the hopper cuts off the straw pushed to the hopper.

[0038] like Figure 6 As shown, a hydraulic lifting assembly 3 is provided on the front end of the frame assembly 7. The hydraulic lifting assembly 3 includes an oil pump motor 301, a hydraulic oil pump 302 and a motor fixing seat 303. The oil pump motor 301 is fixed to the frame assembly 7 through the motor fixing seat 302. The output end of the oil pump motor 301 is connected to the hydraulic oil pump 302. The output end of the hydraulic oil pump 302 is connected to the harvesting assembly 1 through a connecting rod.

[0039] In this way, through the cooperation of the oil pump motor 301 and the hydraulic oil pump 302, the harvesting assembly 1 can be driven to rise and fall through the connecting rod, so that when the harvesting area is reached, the harvesting assembly 1 can be lowered for harvesting, and when the harvesting area is not reached, the harvesting assembly 1 can be raised to prevent the soil from obstructing the harvester.

[0040] like Figure 7 As shown, the grain bag pushing assembly 8 includes a pushing plate cylinder 801 and a pushing plate 802 . The pushing plate cylinder 801 is fixed on the frame assembly 7 , and a pushing plate 802 is provided at the rear end of the pushing plate cylinder 801 .

[0041] In this way, the push plate 802 pushes the cut grain bags onto the roller assembly 4 through the push plate cylinder 801, completing the entire harvesting process.

[0042] like Figure 8 As shown, the roller assembly 4 includes a roller 401 and a roller fixing plate 402 . The roller fixing plates 402 are provided with two rollers that are placed opposite to each other, and a plurality of rollers 401 that are placed side by side are provided between the two roller fixing plates 402 .

[0043] The cross section of the roller 401 is circular, and the left and right ends of the roller 401 pass through the roller fixing plate 402 respectively, so that the roller 401 can rotate relative to the roller fixing plate 402. The roller fixing plate 402 is arranged high in the front and low in the back, so that the bagged wheat can move from the tail of the harvester along the path laid by the rollers 401 under the action of gravity.

[0044] like Fig. 9 As shown, the outlet of the particle feeding tube 16 is provided with a suction bag expansion assembly 5, and the suction bag expansion assembly 5 includes a cylinder 501, a suction bag connecting plate 502, a fixing pin 503 and a needle suction cup 504. The outer side of the particle feeding tube 16 wraps the suction bag connecting plate 502, and the suction bag connecting plate 502 is a frame-shaped with one end open. A suction cup assembly 2 is provided at the opening of the suction bag connecting plate 502, and a long opening is provided on the side of the suction bag connecting plate 502. The fixing pin 503 passes through the long opening to fix the suction bag expansion assembly 5 to the particle feeding tube 16.

[0045] In this way, after the two needle suction cups 504 are connected by the connecting plate 505, they form a closed frame structure with the U-shaped suction bag connecting plate 502. A fixed connecting piece is also provided below the cylinder 501, and the cylinder 501 is fixed to the particle feeding tube 16 through the fixed connecting piece, wherein the fixed connecting piece below the cylinder 501 is fixed to the horizontal section of the particle feeding tube 16, and the frame structure of the suction bag connecting plate 502 is fixed to the bent upward section of the particle feeding tube 16 and fixed by the fixing pin 503.

[0046] like Fig.10As shown, a rotating assembly 6 is provided on the frame assembly 7 opposite to the suction bag opening assembly 5, and the rotating assembly 6 includes a rodless cylinder 601, a rotating fixed plate 602, a rotating cylinder 603, an L-shaped slide rail 604 and a connecting piece 606. The rodless cylinder 601 is fixed on the frame assembly 7, a rotating fixed plate 602 is provided on the rodless cylinder 601, a rotating cylinder 603 is provided on the rotating fixed plate 602, a cross bar is provided at the output end of the rotating cylinder 603, and both ends of the cross bar are respectively embedded in the L-shaped slide rail 604, a fixed plate 605 is connected to the L-shaped slide rail 604 through a connecting piece 606, and a suction cup assembly 2 is provided on the fixed plate 605, and the suction cup assembly 2 of the rotating assembly 6 and the suction cup assembly 2 of the suction bag opening assembly 5 are relatively arranged.

[0047] In this way, the suction cup assembly 2 on the rotating assembly 6 and the suction cup assembly 2 of the suction bag opening assembly 5 can cooperate to open the suction bag, and the bag opening of the suction bag is directly opposite to the outlet of the grain feeding tube 16, so that the grains can fall into the suction bag. Among them, the rodless cylinder 601 can adopt a screw structure, and the rotation of the screw drives the structure on the rotating fixed plate 603 to move.

[0048] In addition, the L-shaped slide rail 604 is divided into a horizontal section and a bending section. Driven by the extension and retraction of the rotating cylinder 603, the suction cup assembly 2 on the connecting member 606 can slide along the L-shaped slide rail 604. When sliding to the bending section, the suction cup assembly 2 on the rotating assembly 6 can suck the suction bag from the bag placing table 10, and move in the opposite direction after sucking. When sliding to the horizontal section, it can cooperate with the suction cup assembly 2 of the suction bag opening assembly 5 to open the suction bag.

[0049] like Figure 9-10 As shown, the suction cup assembly 2 includes a pin suction cup 201 and a connecting plate 202 . Two pin suction cups 201 are provided and the two pin suction cups 201 are placed side by side. The two pin suction cups 201 are connected by the connecting plate 202 .

[0050] Thus, the suction bag opening assembly 5 and the two oppositely arranged suction cup assemblies 2 on the rotating assembly 6 can conveniently open the suction bag through a total of four pin suction cups 201. Meanwhile, although not shown in the figure, it is obvious that the number of pin suction cups can be any integer.

[0051] Furthermore, the pin suction cups 201 of the suction cup assembly 2 on the suction bag expansion assembly 5 and the pin suction cups 201 of the suction cup assembly 2 on the rotating assembly 6 can be arranged opposite to each other or staggered to avoid mutual interference between the pin suction cups 201 on the opposite suction cup assemblies 2.

[0052] like Figure 4As shown, a weighing platform 20 is provided on the frame assembly 7 between the bag suction and opening assembly 5 and the rotating assembly 6, and a servo motor 17 is provided on the frame assembly 7 located on one side of the weighing platform 20. The servo motor 17 is connected to a linear guide rail 18, one end of the linear guide rail 18 is close to the servo motor 17, and the other end of the linear guide rail 18 is close to the grain bag pushing assembly 8.

[0053] Thus, the weighing platform 20 is provided with a pressure sensor. After the weight of the wheat grains in the suction bag of the present invention causes the pressure sensor to alarm, the filled suction bag is pushed onto the grain bag pushing assembly 8 along the linear guide 18 through the output push rod of the servo motor 17 .

[0054] like Figures 11a-11c As shown, a shearing assembly 9 is provided on the frame assembly 7 on one side of the linear guide rail 18, and the shearing assembly 9 includes a shearing motor 901, a shearing bracket 903, a pneumatic scissors 904 and a bag sewing machine 905. The shearing bracket 903 is in an inverted L-shape, and the L-shaped vertical section of the shearing bracket 903 is fixed on the frame assembly 7. The front end of the L-shaped horizontal section of the shearing bracket 903 is provided with a bag sewing machine 905, and the left and right ends of the L-shaped horizontal section of the shearing bracket 903 are respectively provided with pneumatic scissors 904. And a seam shearing motor 901, wherein two seam shearing motors 901 are provided, and the output shafts of the two seam shearing motors 901 are downwardly connected to a driving wheel 907, and a plurality of driven wheels 902 cooperating with the driving wheel 907 are also provided below the seam shearing motor 901, and the driving wheel 907 and the cooperating driven wheel 902 below any seam shearing motor 901 are externally provided with a rotating belt 906, and the belts 906 under the two seam shearing motors 901 rotate in opposite directions, and the gap between the two belts 906 is directly opposite to the gap of the pneumatic scissors 904.

[0055] Among them, the shearing motor 901 is closer to the weighing platform 20 than the pneumatic scissors 904. The filled suction bag first passes through the two sets of rotating belts 906 under the shearing motor 901. The opening of the suction bag will be smoother after passing through the two sets of rotating belts 906, and then the suction bag is sewed by the sewing machine 905, and finally the packaged suction bag is cut neatly by the pneumatic scissors 904.

[0056] The present invention is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned embodiments.

[0057] For example, in order to prevent the small harvester of the present invention from splashing mud and water while driving in a paddy field or muddy land, thereby causing damage to the components, a vehicle shell can also be mounted on the frame assembly 7 to protect the components of the small harvester, especially the motor, to prevent short circuit.

[0058] In addition, signal receiving antennas, cameras, and control devices can be integrated into small harvesters, so that the small harvesters can be positioned through the signal receiving devices and cameras, and the direction of travel of the vehicle can be controlled through the control devices, thereby achieving the function of fully automatic driving, thereby meeting the trend of unmanned agricultural planting.

[0059] When the present invention is used, the small harvester uses the harvesting device 1 to collect wheat grains between the soil. The harvesting knife on the front side of the hopper in the harvesting device 1 harvests the wheat ears on the wheat straws, and the wheat ears are collected into the hopper through the reel, and are sent to the thresher 15 through the conveying pipe 14, and then sent to the grain feeding pipe 16; at the same time, the wheat straw pushed by the hopper is cut off by the lower harvesting knife under the hopper.

[0060] At this time, the rotating component 6 sucks the suction bag in the bag placing table 10 to the outlet end of the grain feeding pipe 16 through the suction cup component 2, and the suction cup component 2 of the suction bag opening component 5 and the suction cup component 2 of the rotating component 6 cooperate to open the suction bag so that the suction bag receives the wheat grains output from the grain feeding pipe 16.

[0061] A weighing platform 20 is provided on the frame assembly 7 below the output port of the grain feeding tube 16. When the weight of the suction bag reaches a preset value, the suction bag moves along the linear guide rail 18 to the grain bag pushing assembly 8 under the action of the servo motor 17. When passing through the shearing assembly 9 next to the linear guide rail 18, the suction bag is straightened, sewn and sheared by the shearing assembly 9 in sequence to make the filled suction bag neat. The suction bag is then pushed onto the roller assembly 4 by the grain bag pushing assembly 8, and then rolled to the ground after passing through the roller assembly 4, or a container is followed by the small harvester, such as a flatbed truck hung behind the small harvester.

[0062] It should be understood that within the scope of the present invention, various parts in the embodiments can be freely combined, or various parts in the embodiments can be appropriately deformed or omitted.

Claims

1. A small harvester, comprising a frame assembly, characterized in that: A harvesting assembly (1) is provided on the front side of the frame assembly (7); a thresher (15), a grain feeding pipe (16), a bag suction and opening assembly (5), a rotating assembly (6), a bag placing platform (10), a grain pushing bag assembly (8), a shearing assembly (9) and a roller assembly (4) are provided above the frame assembly (7); the thresher (15) is provided on the front side above the frame assembly (7); the thresher (15) and the harvesting assembly (1) are connected via a conveying pipe (14); a grain feeding pipe (16) is provided on the rear side of the thresher (15); a bag suction and opening assembly (5) is provided at the outlet of the grain feeding pipe (16); the bag suction and opening assembly (5) is relatively close to the frame assembly (7); A rotating assembly (6) is provided on the frame assembly (7); a bag placing table (10) is provided on the frame assembly (7) located at the rear side of the rotating assembly (6); a shearing assembly (9) is provided on the frame assembly (7) located on one side of the bag suction and opening assembly (5) and the rotating assembly (6); a bag suction and opening assembly (5) and the rotating assembly (6) are provided on one side of the shearing assembly (9); a grain pushing bag assembly (8) is provided on the frame assembly (7) on the other side of the shearing assembly (9); a roller assembly (4) is provided on the frame assembly (7) located at the rear side of the grain pushing bag assembly (8); and an air compression table (19) is provided on the frame assembly (7) located at the front side of the grain pushing bag assembly (8).

2. A small harvester according to claim 1, characterized in that: The frame assembly (7) comprises a frame, a reduction gear box (702), a motor support frame (703), a supporting roller (705), a crawler track (706) and a tensioning wheel (707). A reduction gear box (702) is provided on the front and rear sides of the frame respectively. A reduction gear is provided in the reduction gear box (702). The output shaft of the reduction gear passes through the reduction gear box (702) and is connected to the tensioning wheel (707). A plurality of supporting rollers (705) are provided at the left and right ends of the frame respectively. A crawler track (706) is provided at the left and right ends of the frame respectively. The frame assembly (7) drives the crawler track (706) to travel via the tensioning wheel (707) and the plurality of supporting rollers (705). A motor support frame (703) is provided on the frame between the two reduction gear boxes (702). A fender (704) is provided on the side of the motor support frame (703) away from the frame. A reinforcing triangle plate (701) is provided on the front end surface of the reduction gear box (702) at the front end of the frame.

3. A small harvester according to claim 2, characterized in that: The frame is also provided with a pulley motor (11), which is fixed between a reduction gear box (702) and a motor support frame (703) at the front end of the frame, and an output end of the pulley motor (11) is connected to a pulley (12), and a belt (13) is sleeved on the pulley (12).

4. A small harvester according to claim 1, characterized in that: A hydraulic lifting assembly (3) is provided on the front end of the frame assembly (7); the hydraulic lifting assembly (3) comprises an oil pump motor (301), a hydraulic oil pump (302) and a motor fixing seat (303); the oil pump motor (301) is fixed to the frame assembly (7) via the motor fixing seat (303); the output end of the oil pump motor (301) is connected to the hydraulic oil pump (302); and the output end of the hydraulic oil pump (302) is connected to the harvesting assembly (1) via a connecting rod.

5. The small harvester according to claim 1, characterized in that: The suction bag expansion assembly (5) comprises a cylinder (501), a suction bag connecting plate (502) and a fixing pin (503); the outer side of the pellet feeding tube (16) wraps around the suction bag connecting plate (502); the suction bag connecting plate (502) is in a frame shape with one end open; a suction cup assembly (2) is provided at the opening of the suction bag connecting plate (502); a long strip opening is provided on the side of the suction bag connecting plate (502); and the fixing pin (503) passes through the long strip opening to fix the suction bag expansion assembly (5) to the pellet feeding tube (16).

6. A small harvester according to claim 5, characterized in that: The rotating assembly (6) comprises a rodless cylinder (601), a rotating fixed plate (602), a rotating cylinder (603), an L-shaped slide rail (604) and a connecting piece (606). The rodless cylinder (601) is fixed on the frame assembly (7). The rotating fixed plate (602) is provided on the rodless cylinder (601). The rotating fixed plate (602) is provided on the rotating cylinder (603). The output end of the rotating cylinder (603) is provided with a cross bar. The two ends of the cross bar are respectively embedded in the L-shaped slide rail (604). The L-shaped slide rail (604) is connected to a fixed plate (605) via a connecting piece (606). The fixed plate (605) is provided with a suction cup assembly (2). The suction cup assembly (2) of the rotating assembly (6) and the suction cup assembly (2) of the suction bag opening assembly (5) are arranged relative to each other.

7. A small harvester according to claim 5 or 6, characterized in that: The suction cup assembly (2) comprises a pin suction cup (201) and a connecting plate (202); two pin suction cups (201) are provided and the two pin suction cups (201) are placed side by side; the two pin suction cups (201) are connected via the connecting plate (202).

8. The small harvester according to claim 1, characterized in that: A weighing platform (20) is provided on the frame assembly (7) between the bag suction and opening assembly (5) and the rotating assembly (6); a servo motor (17) is provided on the frame assembly (7) located on one side of the weighing platform (20); the servo motor (17) is connected to a linear guide rail (18); one end of the linear guide rail (18) is close to the servo motor (17), and the other end of the linear guide rail (18) is close to the grain bag pushing assembly (8).

9. A small harvester according to claim 8, characterized in that: A shearing assembly (9) is provided on the frame assembly (7) on one side of the linear guide rail (18), the shearing assembly (9) comprising a shearing motor (901), a shearing bracket (903), pneumatic scissors (904) and a bag sewing machine (905), the shearing bracket (903), the shearing bracket (903) being in an inverted L-shape, the L-shaped vertical section of the shearing bracket (903) being fixed on the frame assembly (7), the bag sewing machine (905) being provided at the front end of the L-shaped horizontal section of the shearing bracket (903), and the pneumatic scissors (904) being provided at the left and right ends of the L-shaped horizontal section of the shearing bracket (903) respectively. ) and a shearing motor (901), wherein two shearing motors (901) are provided, the output shafts of the two shearing motors (901) being connected downwardly to a driving wheel (907), a plurality of driven wheels (902) cooperating with the driving wheel (907) being provided below the shearing motor (901), a rotating belt (906) being provided externally on the driving wheel (907) and the cooperating driven wheel (902) below any of the shearing motors (901), the belts (906) under the two shearing motors (901) rotating in opposite directions, and a gap between the two belts (906) facing the gap of the pneumatic scissors (904).

10. The small harvester according to claim 8, characterized in that: The grain bag pushing assembly (8) comprises a push plate cylinder (801) and a push plate (802), wherein the push plate cylinder (801) is fixed on the frame assembly (7), and a push plate (802) is provided at the rear end of the push plate cylinder (801); the roller assembly (4) comprises a roller (401) and a roller fixing plate (402), wherein two roller fixing plates (402) are provided and are placed opposite to each other, and a plurality of rollers (401) are provided between the two roller fixing plates (402) and are placed side by side.

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