CN215957214U

CN215957214U - Corn ear harvesting system of stem and ear harvesting type corn harvester

Info

Publication number: CN215957214U
Application number: CN202121776986.3U
Authority: CN
Inventors: 李衡; 李侠; 杨香林
Original assignee: Hebei Yinghu Agricultural Machinery Manufacturing Co Ltd
Current assignee: Hebei Yinghu Agricultural Machinery Manufacturing Co Ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-03-08
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses an ear harvesting system of a stem and ear harvesting type corn harvester, which comprises an upper header, a large elevator, a peeler and an engine; the engine is provided with a first power main output wheel, the first power main output wheel is connected with a main output shaft through belt transmission, the right side of a first belt pulley of the main output shaft is further provided with a power transmission wheel of a peeler, the power transmission wheel of the peeler is connected with a power shaft of the peeler in a transmission manner, the other end of the main output shaft is further provided with a lower main shaft power transmission wheel, the lower main shaft power transmission wheel is connected with a lower main shaft in a transmission manner, and the upper header is connected with a lower main shaft in a transmission manner. The utility model transmits power to each working unit of the corn harvester through the total output shaft, saves space, facilitates the arrangement of a transmission system of the whole machine, reduces the power transmission stages and improves the transmission efficiency and reliability.

Description

Corn ear harvesting system of stem and ear harvesting type corn harvester

Technical Field

The utility model relates to the field of corn harvesters, in particular to a cluster harvesting system of a stem-ear harvesting type corn harvester.

Background

A corn harvester with both stalk and ear harvesting function is composed of a corn harvesting system consisting of upper cutting table for picking up the corn ears, a big elevator for peeling the corn ears, a husker for removing the corn ears, and a grain bin for delivering the peeled corn ears to said husker.

The existing corn harvester with stem and ear harvesting generally uses an engine to transmit power to an upper cutting table, a large lifting conveyor, a peeling machine, a lower cutting table, a feeding device, a crusher, a throwing blower and the like through multi-stage transmission, and the energy loss is large and the product reliability is low due to the high power transmission stage number. In addition, the cutting table of the existing corn harvester is generally in unilateral transmission, all moving parts on the whole cutting table are transmitted through a cutting table main shaft, one middle shaft is connected with a plurality of ear picking units, two small elevators and two auger mechanisms, and the middle shaft of the cutting table is very easy to bend and lose efficacy due to uneven stress and load distribution, and is small in space, compact in structure and extremely inconvenient to maintain and replace.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model adopts the following technical scheme:

a corn ear harvesting system of a stalk-ear reaping type corn harvester comprises a corn harvesting system, a power transmission system and an engine;

the corn harvesting system comprises an upper header, a large elevator, a peeling machine and a granary;

the upper header is connected with an inlet of the peeling machine through a large elevator, and an outlet of the peeling machine is connected with the granary; the bottom of the throwing air feeder is connected with the lower cutting table; the upper part of the throwing air feeder is provided with a secondary throwing part which is matched with the grass bin;

wherein, be provided with power total output wheel one on the engine, power total output wheel one connects the total output shaft belt pulley of setting on total output shaft through belt transmission, the right side of total output shaft belt pulley one still is provided with peeler power transmission wheel, peeler power transmission wheel passes through the belt, connects the peeler power shaft through peeler power shaft wheel transmission, the left side of total output shaft still is provided with down main shaft power transmission wheel, main shaft power transmission wheel passes through the belt, connects lower main shaft down in the transmission of lower main shaft wheel, it connects to go up the header transmission lower main shaft.

Preferably, the right side of the power main output wheel I is also provided with a power main output wheel II, the power main output wheel II is in transmission connection with an intermediate shaft through a belt and an intermediate shaft belt wheel, the right end of the intermediate shaft is also provided with a peeler power transmission chain wheel, and the peeler power transmission chain wheel is in transmission connection with the peeler.

Preferably, the peeling machine comprises a peeling part, a sheet jelly machine and a kernel recovery device;

the peeling part comprises a dredging component, a peeling component, a bract coat conveying component, a seed cleaning fan and a poking roller; the peeling assembly comprises a plurality of peeling rollers; the dredging component is arranged above the peeling component; the poking roller is positioned on one side of the peeling assembly and is used for poking the peeled fruit ears to the fruit ear bin; the bract coat conveying assembly is arranged below the peeling assembly, a cleaning auger group is arranged inside the bract coat conveying assembly, and the cleaning auger group comprises a lower peeler auger and an upper peeler auger; the outlet end of the bract coat conveying assembly is communicated with the sheet jelly machine; the seed recovery device is arranged at the bottom of the bract coat conveying assembly; the grain cleaning fan is arranged on one side of the grain recovery device;

the power shaft of the peeling machine provides power for the peeling part and the sheet jelly machine;

the power transmission chain wheel of the peeling machine is in transmission connection with the kernel recovery power shaft through the chain and the kernel recovery power input chain wheel.

Preferably, be located on the peeler power shaft, the right side of peeler power shaft wheel still is provided with sheet jelly machine driving sprocket, sheet jelly machine driving sprocket passes through chain, the power input shaft wheel transmission of sheet jelly portion and connects sheet jelly portion power input shaft, is located on the peeler power shaft, the left side of peeler power shaft wheel still is provided with the portion output wheel of skinning, the portion output wheel of skinning passes through chain, the portion power input wheel transmission of skinning and connects the portion power shaft of skinning.

Preferably, the other end of the peeling part power shaft is also provided with a peeling part power output wheel, and the peeling part power output wheel is sequentially connected with a lower auger power input chain wheel of the peeling machine, a reversing intermediate wheel I and an upper auger power input chain wheel of the peeling machine in a transmission manner through a chain I;

wherein, auger power input sprocket sets up under the peeler on the auger power axle, auger power input sprocket sets up on the auger power axle on the peeler.

Preferably, the first reversing intermediate wheel is arranged on the first intermediate shaft and located on the first intermediate shaft, a cleaning fan input chain wheel is further arranged on the inner side of the first reversing intermediate wheel, and the cleaning fan input chain wheel is in transmission connection with a cleaning fan power shaft through a chain and a cleaning fan power input chain wheel.

Preferably, the other end of the packing auger power shaft on the peeling machine is also provided with a packing auger power output chain wheel on the peeling machine, the packing auger power output chain wheel on the peeling machine is in transmission connection with a second intermediate shaft through a chain and a second intermediate wheel, the inner side of the second intermediate wheel is also provided with a first reversing gear, and the first reversing gear is in transmission connection with a third intermediate shaft through a second reversing gear arranged on a third intermediate shaft; the outer side of the reversing gear II is also provided with a middle shaft three-power output chain wheel, the middle shaft three-power output chain wheel is sequentially in transmission connection with a fourth dredging roller power input chain wheel and a second dredging roller power input chain wheel through a chain II, and the fourth dredging roller power input chain wheel is arranged on a fourth dredging roller power shaft; the second dredging roller power input chain wheel is arranged on a second dredging roller power shaft.

Preferably, the other end of the second dredging roller power shaft is also provided with a first dredging roller power output chain wheel, and the first dredging roller power output chain wheel is connected with the first dredging roller power shaft through a chain and a first dredging roller power input chain wheel in a transmission manner.

Preferably, the other end of the first dredging roller power shaft is also provided with a shifting roller output wheel, the shifting roller output wheel is sequentially connected with a shifting roller power input wheel and a reversing chain wheel in a transmission mode through a chain III, and the shifting roller power input wheel is arranged on the shifting roller power shaft.

Preferably, the poking roller output wheel and the reversing chain wheel are positioned on the three inner sides of the chain, and the poking roller power input wheel is positioned on the three outer sides of the chain.

Preferably, the power shaft of the peeling part is also provided with a plurality of driving bevel gears, the driving bevel gears are in transmission connection with the inner peeling roller through driven bevel gears meshed with the driving bevel gears, and the inner peeling roller is also provided with transmission gears.

Preferably, the large elevator comprises a left large elevator side plate, a right large elevator side plate and a large elevator conveying chain positioned between the two large elevator side plates; a large elevator lifting plate is also arranged between the two large elevator side plates, a large elevator driving shaft is arranged at the top end of the large elevator lifting plate, and a large elevator driven shaft is arranged at the bottom end of the large elevator lifting plate; a large elevator driving chain wheel is arranged on the large elevator driving shaft, a large elevator driven chain wheel is arranged on the large elevator driven shaft, and the large elevator conveying chain is matched with the large elevator driving chain wheel, the large elevator lifting plate and the large elevator driven chain wheel in a surrounding manner;

the peeler is characterized in that a large elevator driving shaft input wheel is further arranged on the large elevator driving shaft, a large elevator power transmission wheel is further arranged at the left end of the peeler power shaft, the large elevator power transmission wheel is in transmission connection with a large elevator intermediate shaft through a belt and a large elevator intermediate shaft belt pulley, a large elevator intermediate shaft chain wheel is further arranged at the other end of the large elevator intermediate shaft, and the large elevator intermediate shaft chain wheel is in transmission connection with the large elevator driving shaft through a chain and the large elevator driving shaft input wheel.

Preferably, the input wheel of the driving shaft of the large elevator is rotatably arranged on the driving shaft of the large elevator, one side of the input wheel of the driving shaft of the large elevator is synchronously provided with a first clutch wheel, so that the input wheel of the driving shaft of the large elevator and the first clutch wheel synchronously rotate, and a first clutch tooth is arranged on the clutch surface of the first clutch wheel; a second clutch wheel is further sleeved on the driving shaft of the large elevator, a second clutch tooth is arranged on the clutch surface of the second clutch wheel, and the first clutch tooth corresponds to the second clutch tooth; the large elevator driving shaft is also sleeved with a clutch gland, and the clutch gland is synchronously arranged on the clutch wheel II so as to enable the clutch gland and the clutch wheel II to synchronously rotate; a sliding block is arranged on the inner side face of the clutch gland, and a sliding groove matched with the sliding block is formed in the large elevator driving shaft, so that the clutch gland is axially arranged in a sliding manner along the large elevator driving shaft and synchronously rotates; one end of the clutch gland is pressed by a pressing spring sleeved on the driving shaft of the large elevator so as to provide pressing force for the clutch pulley II and enable the clutch pulley II and the clutch pulley to be combined together; and a compression nut is installed at the end part of the large elevator driving shaft, the other end of the compression spring abuts against the compression nut, and then the compression spring is installed on the large elevator driving shaft.

Preferably, a large elevator top plate is arranged at the top of the large elevator, a fan mounting port is arranged at the top end of the large elevator top plate, and the fan mounting port is sealed through a fan mounting port cover plate; and a large elevator bottom plate is arranged at the bottom of the large elevator.

Preferably, the upper header comprises a left small elevator, a right small elevator, a left small auger, a right small auger, a left ear picking mechanism and a right ear picking mechanism, wherein the top end outlet of the left small elevator is communicated with the inlet of the left small auger, and the top end outlet of the right small elevator is communicated with the inlet of the right small auger;

the left ear picking mechanism comprises a left ear picking unit I, a left middle ear picking unit and a left ear picking unit II, the right ear picking mechanism comprises a right ear picking unit I, a right middle ear picking unit and a right ear picking unit II, and the right ear picking mechanism and the left ear picking mechanism are symmetrically arranged; the left ear picking unit I comprises a left gear box I, and the left ear picking unit II comprises a left gear box II;

the left end chain wheel of the lower main shaft is in transmission connection with a left third shaft of the cutting table through a chain and a left third shaft input chain wheel of the cutting table, a left third shaft output chain wheel of the cutting table is further arranged on the left side of the left third shaft input chain wheel of the cutting table, and the left third shaft output chain wheel of the cutting table is in transmission connection with a left first shaft of the cutting table through the chain and the left first shaft input chain wheel of the cutting table; a right end chain wheel of the lower main shaft is in transmission connection with a header right third shaft through a chain and a header right third shaft input chain wheel, a header right third shaft output chain wheel I is further arranged on the header right third shaft and on the outer side of the header right third shaft input chain wheel, and the header right third shaft output chain wheel I is in transmission connection with the header right first shaft through the chain and the header right first shaft input chain wheel;

wherein, little lift conveyer in a left side, little auger in a left side and a left ear of grain mechanism of plucking with header first left side shaft drive is connected, little lift conveyer in a right side, little auger in a right side and a right ear of grain mechanism of plucking with header first right side shaft drive is connected.

Preferably, the left gearbox I comprises a power input shaft of the left gearbox I, and the left gearbox II comprises a power input shaft of the left gearbox II; a power input chain wheel of a left ear picking unit is further arranged on the left side of the input chain wheel of the left first shaft of the header, and the power input chain wheel of the left ear picking unit is in transmission connection with a power input shaft of the left gearbox through a chain and a power chain wheel of the left ear picking unit;

the small left elevator is a chain plate elevator and comprises a small left elevator driving shaft; a left small elevator power input chain wheel is further arranged on the right side of the header left first shaft input chain wheel and is in transmission connection with the left small elevator driving shaft through a chain and the left small elevator power chain wheel; a left small auger power transmission chain wheel is also arranged on the left small elevator driving shaft and on the right side of the left small elevator power chain wheel and is in transmission connection with a left small auger power shaft through a chain and the left small auger power chain wheel;

the right-hand member of header left side first axle still is provided with a left side and plucks two power input sprocket of ear unit, a left side is plucked two power input sprocket of ear unit and is connected through chain, the transmission of two power sprocket of left side ear unit two power input axles of left side gearbox.

Preferably, a power input chain wheel of a right ear picking unit is further arranged on the right side of the input chain wheel of the right first shaft of the header, and the power input chain wheel of the right ear picking unit is in transmission connection with a power input shaft of a right gearbox through a chain and the power chain wheel of the right ear picking unit;

a right small elevator power input chain wheel is also arranged on the right first shaft of the header and on the left side of the right first shaft input chain wheel of the header, and the right small elevator power input chain wheel is in transmission connection with a right small elevator driving shaft through a chain and the right small elevator power chain wheel; a right small auger power transmission chain wheel is also arranged on the left side of the right small elevator driving shaft and is in transmission connection with a right small auger power shaft through a chain and the right small auger power chain wheel;

the left end of the header right side first shaft is also provided with a right ear picking unit two power input chain wheel, the right ear picking unit two power input chain wheel is connected with a right gearbox two power input shaft through a chain and a right ear picking unit two power chain wheel transmission.

Preferably, little lift conveyer still includes casing, little lift conveyer driven shaft in a left side and transfer chain, on little lift conveyer driving shaft in a left side and the little lift conveyer driven shaft in a left side, be located the casing inboard all is equipped with transfer chain wheel, transfer chain is around on transfer chain wheel, little lift conveyer driving shaft in a left side and little lift conveyer driven shaft in a left side all run through and stretch out the casing.

Preferably, the left middle ear picking unit comprises a support plate, a reversing mechanism and a reel chain driving wheel, the support plate is mounted at the front end of the shell, the reversing mechanism is mounted below the support plate, and the reel chain driving wheel is mounted above the support plate;

the reversing mechanism comprises an input shaft and two output shafts, the two output shafts are perpendicular to the input shaft, and the reel chain driving wheel is fixedly arranged on the output shafts; and a power transmission chain wheel is arranged on the driven shaft of the small left elevator and positioned outside the shell, a power receiving chain wheel is arranged on the input shaft, and the power transmission chain wheel is connected with the power receiving chain wheel through a chain.

Preferably, the left ear picking unit I further comprises a left ear picking roller pair I, a left cardan shaft I, a left reversing box I and a left reversing box power output shaft, the left ear picking roller pair I and the left cardan shaft I are arranged at the front end of the left reversing box I and are in transmission connection with the left reversing box I, the left reversing box I is in transmission connection with the left cardan shaft, the left reversing box power output shaft is vertically arranged at the upper end of the left reversing box I, and a reel chain driving wheel is fixedly mounted on the left reversing box power output shaft;

the left gearbox I further comprises a snapping double-roller output shaft and a cardan shaft output shaft, the snapping double-roller output shaft is connected with the left snapping double-roller I, and the cardan shaft output shaft is connected with the left cardan shaft I.

Preferably, the left ear picking unit I and the left ear picking unit II are respectively arranged at the left side and the right side of the left small elevator, and the left ear picking unit II is symmetrically arranged with the left ear picking unit I by taking the left small elevator as the center.

Preferably, a transmission gear is further arranged on the power input shaft of the left gearbox and on the left side of the power chain wheel of the left ear picking unit, the transmission gear is in transmission connection with a middle shaft through a meshing gear, and the middle shaft transmits power to the lower cutting table.

Preferably, a smooth roller input chain wheel is further arranged on the power input shaft of the right gearbox and outside the power chain wheel of the right ear picking unit, and the smooth roller input chain wheel transmits power to the lower cutting table.

After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:

the main output shaft is provided with the power transmission wheel of the peeler and the power transmission wheel of the lower main shaft, power is transmitted to each working unit of the corn harvester through the main output shaft, space is saved, the arrangement of a transmission system of the whole machine is facilitated, the power transmission stage number is reduced, and the transmission efficiency and the reliability are improved.

The power system respectively transmits power to the peeling part and the seed grain recovery device through the power main output wheel I and the power main output wheel II, the rotating speed required by the seed grain recovery device is far lower than that required by the peeling part, compared with the prior art in which the power is directly transmitted to the seed grain recovery device in the peeling machine through the peeling part, a speed reducer or other speed changing devices are not required to be configured in the peeling machine, the whole space of the peeling machine is saved, the arrangement of the whole transmission system of the peeling machine is convenient, the power transmission stage number is reduced, the cost is reduced, and the transmission efficiency and the reliability are improved.

When the large elevator is blocked, the clutch wheel II and the clutch gland slide outwards to extrude the compression spring, the clutch tooth I is separated from the clutch tooth II, the input wheel of the driving shaft of the large elevator idles on the driving shaft of the large elevator, and the driving shaft of the large elevator cannot be driven to rotate, so that overlarge rotating force applied to the conveying chain of the large elevator is effectively avoided, the conveying chain of the large elevator is prevented from being broken or other damages are prevented, and the failure rate of the large elevator is reduced.

The utility model solves the problems that the transmission chain of the header of the corn harvester in the prior art is easy to generate heat and break, the transmission shaft is easy to bend, and the transmission reliability of the header is not high, so that the transmission arrangement of the header is more reasonable, the load distribution is uniform, and the reliability is improved; the bilateral transmission of header both sides has been realized, and each drive disk assembly symmetrical arrangement, and spare part general character is high, and maintenance is very convenient.

Drawings

FIG. 1 is a view showing the structure of an ear harvesting system of a corn harvester of the present invention;

FIG. 2 is a power transmission diagram of the engine of the present invention;

FIG. 3 is a diagram of the total output shaft power transmission system of the present invention;

FIG. 4 is a diagram of the power transmission system of the power shaft of the debarker of the present invention;

FIG. 5 is an overall block diagram of the debarker of the present invention;

FIG. 6 is a first structural view of the power transmission system of the peeling machine of the present invention;

FIG. 7 is a second embodiment of the power transmission system of the peeling machine of the present invention;

FIG. 8 is a third embodiment of the power transfer system of the peeling machine of the present invention;

FIG. 9 is a fourth embodiment of the power transmission system of the peeling machine of the present invention;

FIG. 10 is an overall block diagram of the large elevator of the present invention;

FIG. 11 is a view of the drive shaft of the large elevator of the present invention;

FIG. 12 is a schematic view of the power shaft of the debarker of the present invention;

FIG. 13 is an overall view of the header of the present invention;

FIG. 14 is an overall view of the header of the present invention;

FIG. 15 is a block diagram of a small elevator of the present invention;

FIG. 16 is a structural view of a snapping mechanism of the present invention;

FIG. 17 is a structural diagram of the left ear-picking unit of the present invention;

FIG. 18 is a left transmission structural view of the present invention;

FIG. 19 is a structural view of a left middle snapping unit of the present invention;

fig. 20 is a first left side drive diagram of the header of the present invention;

FIG. 21 is a second left side drive diagram of the header of the present invention;

FIG. 22 is a left and right first shaft transmission diagram of the header of the present invention;

FIG. 23 is a first right side drive diagram of the header of the present invention;

fig. 24 is a second right transmission diagram of the header of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, according to an embodiment of the present invention, an ear harvesting system of a stalk-ear reaping type corn harvester comprises a corn harvesting system, a power transmission system 9 and an engine 6;

the corn harvesting system comprises an upper header 1, a large elevator 4, a peeling machine 3 and a granary;

the upper cutting table 1 and the lower cutting table 2 are arranged at the front part of the frame, the upper cutting table 1 is arranged at the upper layer, and the lower cutting table 2 is arranged at the lower layer; the upper header 1 is connected with an inlet of a peeling machine 3 through a large elevator 4, and an outlet of the peeling machine 3 is connected with a granary 11; the header 1, the large elevator 4 and the peeling machine 3 are respectively in transmission connection with an engine 6 through a power transmission system 9.

Further, as shown in fig. 2-4, a first power output wheel 6.1 is arranged on the engine 6, the first power output wheel 6.1 is connected with a first total output shaft belt pulley 9.2 arranged on the total output shaft 9.1 through a belt in a transmission manner, a second peeler power transmission wheel 9.3 is further arranged on the right side of the first total output shaft belt pulley 9.2, the second peeler power transmission wheel 9.3 is connected with a second peeler power shaft 72 through a belt and a second peeler power shaft wheel 9.4 in a transmission manner, a second lower spindle power transmission wheel 9.9 is further arranged on the other side of the total output shaft 9.1, the second spindle power transmission wheel 9.9 is connected with a second spindle 10 through a belt and a second lower spindle wheel 9.0 in a transmission manner, and power is transmitted to each working unit of the corn harvester through a first total output shaft 9.1, so that space is saved, arrangement of a whole machine transmission system is facilitated, the number of power transmission stages is reduced, and transmission efficiency and reliability are improved.

Further, as shown in fig. 2-4, a power main output wheel two 6.2 is further arranged on the right side of the power main output wheel one 6.1, the power main output wheel two 6.2 is in transmission connection with an intermediate shaft 9.6 through a belt and an intermediate shaft belt wheel 9.5, a peeler power transmission chain wheel 9.7 is further arranged at the right end of the intermediate shaft 9.6, and the peeler power transmission chain wheel 9.7 is in transmission connection with the peeler 3.

Further, as shown in fig. 5-9, the peeling machine 3 comprises a dredging component 3.1, a peeling component 3.2, a bract coat conveying component 3.3, a grain cleaning fan 3.4, a grain recovering device 3.5, a sheet jelly machine 3.6, a poking roller 3.7 and a peeling machine power shaft 72.

The subassembly of skinning 3.2 contains a plurality of units of skinning, and the unit of skinning is four in this embodiment every the unit of skinning includes two parallel arrangement's outer skinning roller and parallel arrangement in two between two outer skinning rollers two interior skinning rollers, and specifically the unit mode of setting of skinning is prior art, and no longer repeated here.

Dredge subassembly 3.1 and contain a plurality of units of dredging, every the unit of dredging is including dredging the star gear of deflector roll and a plurality of cover on dredging the roller, dredge subassembly 3.1 set up in the subassembly 3.2 top of skinning.

The poking roller 3.7 is positioned on one side of the peeling component 3.2 and is used for poking the peeled fruit ears to the fruit ear bin.

Bract clothing conveyor component 3.3 sets up the below of subassembly 3.2 of skinning, bract clothing conveyor component 3.3 is inside to be provided with the auger group of cleaning, the auger group of cleaning includes auger under the peeler and the auger on the peeler, bract clothing conveyor component 3.3 bottom is for cleaning the screen cloth, bract clothing conveyor device 3.3 is used for separating ear bract clothing and ear of fruit.

The outlet end of the bract skin conveying component 3.3 is communicated with the sheet jelly machine 3.6, and a movable cutter shaft is arranged in the sheet jelly machine 3.6.

Seed grain recovery unit 3.5 set up in the bottom of bract clothing conveyor component 3.3, receive certainly clean the seed grain that the screen cloth dropped, clean fan 3.4 and set up in one side of seed grain recovery unit 3.5, absorb away the impurity in the seed grain.

Further, as shown in fig. 5-9, the power shaft 72 of the peeler is provided with a sheet jelly transmission sprocket 73 on the right side of the power shaft wheel 9.4 of the peeler, and the sheet jelly transmission sprocket 73 is in transmission connection with a sheet jelly part power input shaft 75 through a chain and a sheet jelly part power input shaft wheel 74, so as to input power for the sheet jelly machine 3.6.

Further, as shown in fig. 5-9, the peeling machine power shaft 72 is provided with a peeling part output wheel 76 on the left side of the peeling machine power shaft wheel 9.4, and the peeling part output wheel 76 is in transmission connection with a peeling part power shaft 78 through a chain and a peeling part power input wheel 77; referring to fig. 3, the other end of the power shaft 78 of the peeling part is further provided with a power output wheel 79 of the peeling part, and the power output wheel 79 of the peeling part is sequentially connected with a lower auger power input chain wheel 81 of the peeling machine, a first reversing intermediate wheel 82 and an upper auger power input chain wheel 83 of the peeling machine in a transmission manner through a first chain 80.

Further, as shown in fig. 5-9, the power input chain wheel 81 of the lower auger of the peeling machine is arranged on the power shaft of the lower auger of the peeling machine, so as to provide power for the lower auger of the peeling machine;

the first reversing intermediate wheel 82 is arranged on a first intermediate shaft 84, a cleaning fan input chain wheel 85 is further arranged on the first intermediate shaft 84 and located on the inner side of the first reversing intermediate wheel 82, and the cleaning fan input chain wheel 85 is connected with a cleaning fan power shaft 87 through a chain and a cleaning fan power input chain wheel 86 so as to provide power for a cleaning fan;

the power input chain wheel 83 of the upper auger of the peeling machine is arranged on the power shaft 88 of the upper auger of the peeling machine so as to provide power for the upper auger of the peeling machine;

the other end of the packing auger power shaft 88 on the peeling machine is also provided with a packing auger power output chain wheel 89 on the peeling machine, the packing auger power output chain wheel 89 on the peeling machine is in transmission connection with a second intermediate shaft 91 through a chain and a second intermediate wheel 90, the inner side of the second intermediate wheel 90 is also provided with a first reversing gear 92, the first reversing gear 92 is in transmission connection with a third intermediate shaft 94 through a second reversing gear 93 arranged on the third intermediate shaft 94, the outer side of the second reversing gear 93 is also provided with a third intermediate shaft power output chain wheel 95, the third intermediate shaft power output chain wheel 95 is sequentially connected with a fourth dredging roller power input chain wheel 97 and a second dredging roller power input chain wheel 98 through a second chain 96, and the fourth dredging roller power input chain wheel 97 is arranged on the fourth dredging roller power shaft so as to drive the fourth dredging roller to work; the second dispersion roller power input sprocket 98 is arranged on a second dispersion roller power shaft 100.

Further, as shown in fig. 5 to 9, the other end of the second dredging roller power shaft 100 is further provided with a first dredging roller power output sprocket 103, and the first dredging roller power output sprocket 103 is in transmission connection with a first dredging roller power shaft 105 through a chain and a first dredging roller power input sprocket 104, so as to provide power for the first dredging roller.

Further, as shown in fig. 5-9, the other end of the first dredging roller power shaft 105 is further provided with a shifting roller output wheel 106, the shifting roller output wheel 106 is sequentially connected with a shifting roller power input wheel 108 and a reversing chain wheel 110 in a transmission manner through a chain three 107, and the shifting roller power input wheel 108 is arranged on a shifting roller power shaft 109 so as to provide power for a shifting roller;

the poking roller output wheel 106 and the reversing chain wheel 110 are positioned on the inner side of the third chain 107, and the poking roller power input wheel 108 is positioned on the outer side of the third chain 107; set up in the inboard of three 107 chains through the cooperation with switching-over sprocket 110, will dial roller power input wheel 108 cooperation and set up in the outside of three 107 chains, and then realize the switching of direction of rotation, compare in gear engagement's switching-over case, the structure is simpler, need not additionally to set up the guard box and lubricate with the filling machine oil, no high temperature risk, and the cooperation required precision is low, and the fault rate is low.

Furthermore, a plurality of driving bevel gears 111, four in this embodiment, are further arranged on the power shaft 78 of the peeling part, the driving bevel gears 111 are in transmission connection with the inner peeling roller through driven bevel gears 112 engaged with the driving bevel gears, the inner peeling roller is further provided with a transmission gear 113, and the transmission gear 113 is in transmission connection with another inner peeling roller and another outer peeling roller in the peeling unit; a plurality of groups of peeling units are synchronously driven by a plurality of bevel gears, and power is transmitted to other components of the peeling part, so that the power transmission stage number is reduced, and the transmission efficiency and the reliability are improved.

Further, as shown in fig. 9, the power transmission chain wheel 9.7 of the peeling machine is in transmission connection with a kernel recovery power shaft 137 through a chain and a kernel recovery power input chain wheel 136, so as to drive a screw conveyor in the kernel recovery device to work. The power system respectively transmits power to the peeling part and the seed grain recovery device through the first power main output wheel 6.1 and the second power main output wheel 6.2, and the rotating speed required by the seed grain recovery device is far lower than that required by the peeling part.

Further, as shown in fig. 10 to 11, the large elevator 4 includes two large elevator side plates 4.1 on the left and right, a large elevator conveying chain (not shown) between the two large elevator side plates 4.1;

and a large elevator lifting plate 4.5 is also arranged between the two large elevator side plates 4.1 of the large elevator 4, a large elevator driving shaft 4.3 is arranged at the top end of the large elevator lifting plate 4.5, and a large elevator driven shaft 4.4 is arranged at the bottom end. Two ends of the large elevator driving shaft 4.4 and two ends of the large elevator driven shaft 4.5 are rotatably arranged on the left and right large elevator side plates 4.1. The large elevator driving shaft 4.3 is provided with a large elevator driving sprocket 4.31, the large elevator driven shaft 4.4 is provided with a large elevator driven sprocket 4.41, the large elevator conveying chain is matched with the large elevator driving sprocket 4.31, the large elevator lifting plate 4.5 and the large elevator driven sprocket 4.41 in a surrounding manner, and the large elevator driving sprocket 4.31 drives the large elevator conveying chain to rotate around the large elevator driving sprocket 4.31, the large elevator lifting plate 4.5 and the large elevator driven sprocket 4.41 so as to lift and convey the fruit clusters to the peeling machine.

Further, as shown in fig. 11, a large elevator driving shaft input wheel 4.32 is further arranged on the large elevator driving shaft 4.3, the large elevator driving shaft input wheel 4.32 is rotatably mounted on the large elevator driving shaft 4.3, a clutch wheel one 4.33 is synchronously mounted on one side of the large elevator driving shaft input wheel 4.32, so that the large elevator driving shaft input wheel 4.32 and the clutch wheel one 4.33 synchronously rotate, and a clutch tooth one is arranged on a clutch surface of the clutch wheel one 4.33. The large elevator driving shaft 4.3 is further sleeved with a second clutch wheel 4.34, a second clutch tooth is arranged on the clutch surface of the second clutch wheel 4.34, and the first clutch tooth corresponds to the second clutch tooth. The clutch gland 4.35 is further sleeved on the driving shaft 4.3 of the large elevator, and the clutch gland 4.35 is synchronously installed on the second clutch wheel 4.34, so that the clutch gland 4.35 and the second clutch wheel 4.34 synchronously rotate. The inside surface of the clutch gland 4.35 is provided with a sliding block, and the large elevator driving shaft 4.3 is provided with a sliding groove matched with the sliding block, so that the clutch gland 4.35 is arranged along the axial direction of the large elevator driving shaft 4.3 in a sliding manner and synchronously rotates. One end of the clutch gland 4.35 is pressed by a pressing spring 4.36 sleeved on the driving shaft 4.3 of the large elevator so as to provide pressing force for the clutch pulley II 4.34 to combine the clutch pulley II 4.34 and the clutch pulley I4.33 together. And a compression nut 4.37 is installed at the end part of the large elevator driving shaft 4.3, the other end of the compression spring 4.36 abuts against the compression nut 4.37, and then the compression spring 4.36 is installed on the large elevator driving shaft 4.3.

Big lift conveyer driving shaft input wheel 4.32 is connected with the transmission of engine 6 through power transmission system, drives big lift conveyer driving shaft input wheel 4.32 through power transmission system and rotates, big lift conveyer driving shaft input wheel 4.32 drives clutch pulley 4.33 synchronous rotation, and clutch pulley 4.33 drives clutch pulley two 4.34 and rotates, clutch pulley two 4.34 drives clutch gland 4.35 synchronous rotation, clutch gland 4.35 drives big lift conveyer driving shaft 4.3 through the slider of inboard setting and the cooperation of big lift conveyer driving shaft 4.3 upper chute and rotates. When the large elevator 4 is blocked, the clutch wheel II 4.34 and the clutch gland 4.35 slide outwards to extrude the compression spring 4.36, the clutch tooth I is separated from the clutch tooth II, and the large elevator driving shaft input wheel 4.32 idles on the large elevator driving shaft 4.3 and cannot drive the large elevator driving shaft 4.3 to rotate, so that overlarge rotating force applied to the large elevator conveying chain of the large elevator 4 is effectively avoided, the large elevator conveying chain is prevented from being broken or other damages are prevented, and the failure rate of the large elevator is reduced.

As shown in fig. 10, a large elevator roof 4.61 is arranged on the top of the large elevator 4, and a fan mounting port is arranged at the top end of the large elevator roof 4.61 and is closed by a fan mounting port cover plate 4.62. Meanwhile, the user can dismantle the fan port cover plate 4.62 according to the requirement, the impurity removal fan is installed at the fan installation port, impurities in the fruit cluster during conveying are removed through the impurity removal fan, and the quality of the fruit cluster is improved. The bottom of the large elevator 4 is provided with a large elevator bottom plate, and the large elevator conveying chain is protected by the large elevator bottom plate, so that the large elevator conveying chain is prevented from being damaged by foreign matter impact.

Further, with reference to fig. 4 and 12, a large elevator power transmission wheel 71 is further disposed at the left end of the power shaft 72 of the peeling machine, the large elevator power transmission wheel 71 is in transmission connection with a large elevator intermediate shaft 120 through a belt and a large elevator intermediate shaft belt pulley 70, a large elevator intermediate shaft chain wheel 121 is further disposed at the other end of the large elevator intermediate shaft 120, and the large elevator intermediate shaft chain wheel 121 is in transmission connection with a large elevator driving shaft 4.3 through a chain and a large elevator driving shaft input wheel 4.32, so as to provide power for the large elevator 4.

Further, as shown in fig. 13-14, the header 1 includes little elevator 1.1 in a left side, little elevator 1.2 in the right side, little auger 1.3 in a left side, little auger 1.4 in the right side, a left side ear picking mechanism and a right side ear picking mechanism, the top export of little elevator 1.1 in a left side and the entry UNICOM of little auger 1.3 in a left side, the top export of little elevator 1.2 in the right side and the entry UNICOM of little auger 1.4 in the right side are provided with the export of header auger between little auger 1.3 in a left side and the little auger 1.4 in the right side to further transport the ear to peeling mechanism.

Further, as shown in fig. 15, the small left elevator 1.1 is a chain plate type elevator, and includes a housing 1.11, a small left elevator driving shaft 1.12, a small left elevator driven shaft 1.13, and a transmission chain 1.14, where transmission chain wheels are respectively disposed on the small left elevator driving shaft 1.12 and the small left elevator driven shaft 1.13 and on the inner side of the housing 1.11, the transmission chain 1.14 surrounds the transmission chain wheels, the small left elevator driving shaft 1.12 and the small left elevator driven shaft 1.13 both penetrate through and extend out of the housing 1.11, and the small left elevator driving shaft 1.12 is in transmission connection with the lower main shaft 10.

Further, as shown in fig. 16, the left ear picking mechanism includes a left ear picking unit 1.5, a left middle ear picking unit 1.6, and a left ear picking unit two 1.7.

Further, as shown in fig. 17, the left ear picking unit 1.5 includes a left gearbox 1.51, a left ear picking pair roller 1.52, a left cardan shaft 1.53, a left reversing box 1.54 and a left reversing box power output shaft 1.55, the left ear picking pair roller 1.52 and the left cardan shaft 1.53 are arranged at the front end of the left reversing box 1.54 and are in transmission connection with the left reversing box 1.54, the left reversing box 1.54 is in transmission connection with the left cardan shaft, the left reversing box power output shaft 1.55 is vertically arranged at the upper end of the left reversing box, and a reel chain driving wheel is fixedly mounted on the left reversing box power output shaft 1.55;

further, as shown in fig. 18, the left gearbox 1.51 includes a left gearbox power input shaft 1.511, a pair of ear picking roller output shafts 1.512 and a cardan shaft output shaft 1.513, wherein the left gearbox power input shaft 1.511 is in transmission connection with the lower main shaft 10, the pair of ear picking roller output shafts 1.512 are connected with the left pair of ear picking rollers 1.52, and the cardan shaft output shaft 1.513 is connected with the left cardan shaft 1.53.

Further, as shown in fig. 16, the left ear picking unit ii 1.7 is symmetrically arranged with the left ear picking unit i 1.5 with the left small elevator 1.1 as the center, the left ear picking unit ii 1.7 includes a left gear box ii 1.71, the left gear box ii 1.71 includes a left gear box ii power input shaft 1.711, and other structures and connection modes of the left ear picking unit ii 1.7 are the same as those of the left ear picking unit i 1.5. The left ear picking unit I1.5 and the left ear picking unit II 1.7 are respectively arranged on the left side and the right side of the left small elevator 1.1.

Further, as shown in fig. 19, the left middle ear picking unit 1.6 includes a supporting plate 1.61, a reversing mechanism 1.62 and a reel chain driving wheel, the supporting plate 1.61 is mounted at the front end of the housing 1.11, the reversing mechanism 1.62 is mounted below the supporting plate 1.61, and the reel chain driving wheel is mounted above the supporting plate 1.61;

the reversing mechanism 1.62 comprises an input shaft 1.621 and output shafts 1.622, two output shafts 1.622 are vertical to the input shaft 1.621, and the reel chain driving wheel is fixedly arranged on the output shafts 1.622.

Further, as shown in fig. 15, the input shaft 1.621 is in driving connection with the left small elevator output shaft 1.13. Preferably, a power transmission chain wheel 1.15 is arranged on the driven shaft 1.13 of the left small elevator and positioned outside the shell 1.11, the input shaft 1.621 is provided with a power receiving chain wheel (not shown), and the power transmission chain wheel 1.15 is connected with the power receiving chain wheel through a chain.

Further, as shown in fig. 16, the right ear picking mechanism includes a first right ear picking unit 1.8, a middle right ear picking unit 1.9, and a second right ear picking unit 1.10; the right ear picking mechanism and the left ear picking mechanism are symmetrically arranged, and the structure and the connection mode of the right ear picking mechanism are the same as those of the left ear picking mechanism.

Further, as shown in fig. 20 to 21, a left end sprocket 11 of the lower main shaft 10 is in transmission connection with a header left third shaft 12 through a chain and a header left third shaft input sprocket 13, and a header left third shaft output sprocket 15 is further arranged on the left side of the header left third shaft input sprocket 13.

Further, as shown in fig. 20-21, the header left third shaft output sprocket 15 is in transmission connection with the header left first shaft 18 through a chain and a header left first shaft input sprocket 17, the left side of the header left first shaft input sprocket 17 is also provided with a left ear picking unit one power input sprocket 19, and the left ear picking unit one power input sprocket 19 is in transmission connection with the left gearbox one power input shaft 1.511 through the chain and the left ear picking unit one power sprocket 21, so as to provide power for the left ear picking unit one 1.5; a transmission gear 25 is further arranged on the left side of the power chain wheel 21 of the left ear picking unit on the left gearbox power input shaft 1.511, the transmission gear 25 is in transmission connection with the intermediate shaft 27 through a meshing gear 26, and the intermediate shaft 27 transmits power to the lower cutting platform 2.

Further, as shown in fig. 20-21, a left small elevator power input sprocket 60 is further disposed on the right side of the header left first shaft input sprocket 17, and the left small elevator power input sprocket 60 is in transmission connection with the left small elevator driving shaft 1.12 through a chain and a left small elevator power sprocket 61, so as to provide power for the left small elevator; and a left small auger power transmission chain wheel (not shown) is further arranged on the left small elevator driving shaft 1.12 and on the right side of the left small elevator power chain wheel 61 and is in transmission connection with a left small auger power shaft 63 through a chain and a left small auger power chain wheel 62, so that power is provided for the left small auger 1.3.

Further, as shown in fig. 22, a left ear picking unit two-power input sprocket 64 is further disposed at the right end of the header left first shaft 18, and the left ear picking unit two-power input sprocket 64 is in transmission connection with the left gearbox two-power input shaft 1.711 through a chain and a left ear picking unit two-power sprocket (not shown), so as to provide power for the left ear picking unit two 1.7.

Further, as shown in fig. 23 to 24, a right end sprocket 34 of the lower main shaft 10 is in transmission connection with a header right third shaft 38 through a chain and a header right third shaft input sprocket 33, and a header right third shaft output sprocket 39 is sequentially arranged on the header right third shaft 38 and outside the header right third shaft input sprocket 33;

further, referring to fig. 24, a first right third shaft output sprocket 39 of the header is in transmission connection with a first right shaft 41 of the header through a chain and a first right shaft input sprocket 40 of the header, a first right ear picking unit power input sprocket 42 is further arranged on the right side of the first right shaft input sprocket 40 of the header, and the first right ear picking unit power input sprocket 42 is in transmission connection with a first right gearbox power input shaft 45 through a chain and a first right ear picking unit power sprocket 44, so that the first right gearbox is driven to provide power for the first right ear picking unit; and a smooth roller input chain wheel 48 is also arranged on the right gearbox power input shaft 45 and outside the right ear picking unit power chain wheel 44, and the smooth roller input chain wheel 48 transmits power to the lower cutting table 2.

Further, a right small elevator power input chain wheel 65 is further arranged on the header right first shaft 41 and on the left side of the header right first shaft input chain wheel 40, and the right small elevator power input chain wheel 65 is in transmission connection with the right small elevator driving shaft through a chain and a right small elevator power chain wheel 66, so that power is provided for the right small elevator; and a right small auger power transmission chain wheel (not shown) is further arranged on the left side of the right small elevator driving shaft and on the left side of the right small elevator power chain wheel 66 and is in transmission connection with a right small auger power shaft 68 through a chain and the right small auger power chain wheel 67, so that power is provided for the right small auger 1.4.

Further, the left end of the header right shaft 41 is also provided with a right ear picking unit two power input chain wheel 69, the right ear picking unit two power input chain wheel 69 is in transmission connection with the right gearbox two power input shaft through a chain and a right ear picking unit two power chain wheel (not shown), so that the right ear picking unit two is powered.

The working principle of the utility model is as follows: for the upper cutting table 1, a reel chain driving wheel is fixedly arranged on a power output shaft 1.55 of a left reversing box in a left ear picking unit 1.5, and a power system drives the power output shaft 1.55 of the left reversing box so as to drive a reel chain to move; two output shafts 1.622 in the left middle ear picking unit 1.6 are provided, and the two output shafts 1.622 are both fixedly provided with a reel chain driving wheel, wherein the reel chain driving wheel on the left side drives the reel chain to move, and forms a reel assembly with the reel chain in the left ear picking unit 1.5 for righting the lodging and inclined corn plants; the left ear picking pair rollers 1.52 in the left ear picking unit 1.5 are matched with ear picking plates to pick the corn ears, the picked ears fall into the left small elevator 1.1, the left small elevator 1.1 conveys the ears to the left small auger 1.3, and the ears finally enter the next working procedure of the corn harvester through the left small auger 1.3. Similarly, the right reel chain driving wheel in the left middle ear picking unit 1.6 drives the reel chain to move, and forms a reel assembly with the reel chain in the left ear picking unit II 1.7 for righting the lodging and skewing corn plants, the left ear picking roller pair in the left ear picking unit II 1.7 is matched with an ear picking plate to pick the corn ears, the picked corn ears fall into the same left small elevator 1.1, the left small elevator 1.1 conveys the corn ears to the left small auger 1.3, and the corn ears finally enter the next process of the corn harvester through the left small auger 1.3.

Similarly, the right ear picking mechanism, the right small elevator 1.2 and the right small auger 1.4 on the right side of the upper header 1 have the same working principle as the left side of the upper header 1.

The foregoing is illustrative of the best mode of the utility model and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The scope of the present invention is defined by the appended claims, and any equivalent modifications based on the technical teaching of the present invention are also within the scope of the present invention.

Claims

1. A corn ear harvesting system of a stalk-ear reaping type corn harvester comprises a corn harvesting system, a power transmission system and an engine;

its characterized in that, be provided with power total output wheel one on the engine, power total output wheel one connects the total output shaft belt pulley of setting on total output shaft through belt transmission, the right side of total output shaft belt pulley one still is provided with peeler power transmission wheel, peeler power transmission wheel passes through the belt, connects the peeler power shaft through peeler power shaft wheel transmission, the left side of total output shaft still is provided with down main shaft power transmission wheel, main shaft power transmission wheel passes through the belt, connects lower main shaft down in the main shaft wheel transmission, it connects to go up the header transmission lower main shaft.

2. The ear harvesting system of a corn harvester of claim 1, wherein: the right side of the first power main output wheel is further provided with a second power main output wheel, the second power main output wheel is in transmission connection with a middle shaft through a belt and a middle shaft belt wheel, the right end of the middle shaft is further provided with a peeler power transmission chain wheel, and the peeler is in transmission connection with the peeler power transmission chain wheel.

3. An ear harvesting system of a corn harvester of the stalk-ear reaping type as claimed in claim 2, characterized in that: the peeling machine comprises a peeling part, a sheet jelly machine and a seed recovery device;

4. An ear harvesting system of a corn harvester of the stalk-ear reaping type as claimed in claim 3, characterized in that: be located on the peeler power shaft, the right side of peeler power shaft wheel still is provided with sheet jelly machine driving sprocket, sheet jelly machine driving sprocket passes through chain, the power input shaft wheel transmission of sheet jelly portion and connects sheet jelly portion power input shaft, is located on the peeler power shaft, the left side of peeler power shaft wheel still is provided with the portion output wheel of skinning, the portion output wheel of skinning passes through chain, the portion power input wheel transmission of skinning and connects the portion power shaft of skinning.

5. An ear harvesting system of a corn harvester of the stalk-ear reaping type as claimed in claim 3 or 4, characterized in that: the large elevator comprises a left large elevator side plate, a right large elevator side plate and a large elevator conveying chain positioned between the two large elevator side plates; a large elevator lifting plate is also arranged between the two large elevator side plates, a large elevator driving shaft is arranged at the top end of the large elevator lifting plate, and a large elevator driven shaft is arranged at the bottom end of the large elevator lifting plate; a large elevator driving chain wheel is arranged on the large elevator driving shaft, a large elevator driven chain wheel is arranged on the large elevator driven shaft, and the large elevator conveying chain is matched with the large elevator driving chain wheel, the large elevator lifting plate and the large elevator driven chain wheel in a surrounding manner;

6. The ear harvesting system of a corn harvester of claim 1, wherein: the upper header comprises a left small elevator, a right small elevator, a left small auger, a right small auger, a left ear picking mechanism and a right ear picking mechanism, wherein the top end outlet of the left small elevator is communicated with the inlet of the left small auger, and the top end outlet of the right small elevator is communicated with the inlet of the right small auger;

7. The ear harvesting system of a corn harvester of claim 6, wherein: the left gearbox I comprises a power input shaft of the left gearbox I, and the left gearbox II comprises a power input shaft of the left gearbox II; a power input chain wheel of a left ear picking unit is further arranged on the left side of the input chain wheel of the left first shaft of the header, and the power input chain wheel of the left ear picking unit is in transmission connection with a power input shaft of the left gearbox through a chain and a power chain wheel of the left ear picking unit;

8. The ear harvesting system of a corn harvester of claim 6, wherein: a power input chain wheel of a right ear picking unit is also arranged on the right side of the input chain wheel of the right first shaft of the header, and the power input chain wheel of the right ear picking unit is in transmission connection with a power input shaft of a right gearbox through a chain and the power chain wheel of the right ear picking unit;

9. An ear harvesting system of a corn harvester of the stalk-ear reaping type as claimed in claim 7, wherein: the small left elevator further comprises a shell, a small left elevator driven shaft and a transmission chain, the small left elevator driving shaft and the small left elevator driven shaft are arranged on the transmission chain wheels, the transmission chain surrounds the transmission chain wheels, and the small left elevator driving shaft and the small left elevator driven shaft penetrate through and extend out of the shell.

10. An ear harvesting system of a corn harvester of the stalk-ear reaping type as claimed in claim 9, wherein: the left middle ear picking unit comprises a supporting plate, a reversing mechanism and a reel chain driving wheel, the supporting plate is arranged at the front end of the shell, the reversing mechanism is arranged below the supporting plate, and the reel chain driving wheel is arranged above the supporting plate;

11. An ear harvesting system of a corn harvester of the stalk-ear reaping type as claimed in claim 7, wherein: and a transmission gear is arranged on the power input shaft of the left gearbox and the left side of the power chain wheel of the left ear picking unit, the transmission gear is in transmission connection with a middle shaft through a meshing gear, and the middle shaft transmits power to the lower cutting table.

12. An ear harvesting system of a corn harvester of the stalk-ear reaping type as claimed in claim 8, wherein: and a smooth roller input chain wheel is also arranged on the power input shaft of the right gearbox and outside the power chain wheel of the right ear picking unit, and transmits power to the lower cutting table.