CN113519275A - Header for stem and ear harvesting type corn harvester - Google Patents

Abstract

The invention discloses a header for a stem and ear harvesting type corn harvester, which comprises a fruit ear harvesting header, a straw harvesting header and a lower main shaft, wherein the lower main shaft is connected with the stalk harvesting header; the ear harvesting 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; 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, 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 small elevator, the left small auger and the left ear picking mechanism are in transmission connection with a left first shaft of the header, and the right small elevator, the right small auger and the right ear picking mechanism are in transmission connection with a right first shaft of the header. The header transmission chain solves the problems that the existing header transmission chain is easy to generate heat and break, the transmission shaft is easy to bend, and the header transmission reliability is not high, so that the header transmission arrangement is more reasonable, the load distribution is uniform, the operation is stable, and the reliability is improved.

Description

Header for stem and ear harvesting type corn harvester

Technical Field

The invention relates to the field of corn harvesters, in particular to a header for a stem and ear harvesting type corn harvester.

Background

The feeding mode of the rear side of a front cutting knife of the straw harvesting header in the existing stem and ear header is a rake chain structure, flat pipes are arranged above two chains, the flat pipes are dragged to move through the rotation of the chains, and the straws are driven to reach the feeding purpose backwards.

The cutting table of the existing corn harvester is generally in unilateral transmission, all moving parts on the whole cutting table are transmitted only through a cutting table middle shaft, the middle shaft is connected with a plurality of ear picking units, two small lifters are connected, two auger mechanisms are connected, and two straw chopping mechanisms are connected.

Disclosure of Invention

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

a header for a stem and ear harvesting type corn harvester comprises a fruit ear harvesting header, a straw harvesting header and a lower main shaft, wherein the lower main shaft is in transmission connection with an engine and transmits power to the fruit ear harvesting header and the straw harvesting header;

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

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, the straw harvesting header comprises a header frame body, and further comprises a swinging ring cutter, a feeding mechanism, a crushing mechanism and a feeding auger which are sequentially arranged in the header frame body from front to back, wherein the feeding mechanism comprises at least two guide-in rollers which are arranged along the front-back direction, the axes of the guide-in rollers are arranged along the left-right direction, and all the guide-in rollers synchronously rotate in the same direction; the feeding mechanism comprises an upper feeding roller and a smooth roller; the crushing mechanism comprises a rotary moving knife;

the rotary moving knife and the upper feeding roller are in transmission connection with a power input shaft of a left gearbox, and the guide-in roller, the smooth rod and the swinging ring knife are in transmission connection with a power input shaft of a right gearbox.

Preferably, a transmission gear is arranged on a power input shaft of the left gearbox and on the left side of a power chain wheel of the left ear picking unit, the transmission gear is in transmission connection with an intermediate shaft through a meshing gear, a rotary moving knife shaft input chain wheel is arranged on the intermediate shaft and on the outer side of the meshing gear, and the rotary moving knife shaft input chain wheel is in transmission connection with a rotary moving knife shaft through a chain and the rotary moving knife shaft power input chain wheel; an upper feeding roller input chain wheel is further arranged on the right side of the rotating movable cutter shaft power input chain wheel and is connected with an upper feeding roller shaft through a chain and the upper feeding roller power input chain wheel in a transmission mode.

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 is connected with a smooth roller power shaft through a chain and the smooth roller power input chain wheel;

the smooth roller power shaft other end still sets up pendulum and returns case input belt pulley and leading-in roller input sprocket, pendulum is returned case input belt pulley and is passed through the belt, is put the case power input belt pulley transmission and is connected pendulum and is returned the case drive shaft, leading-in roller input sprocket passes through the chain, is connected leading-in roller power shaft to leading-in roller power input sprocket.

Preferably, be located on the header right side No. three epaxially No. one the outside of header right side No. three output sprocket one still is equipped with header right side No. three output sprocket two, No. three output sprocket two on the header right side pass through chain, pay-off auger input sprocket transmission and connect pay-off auger power shaft.

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

the invention solves the problems that the header transmission chain of the corn harvester in the prior art is easy to generate heat and break, the transmission shaft is easy to bend, and the header transmission reliability is not high, so that the header transmission arrangement is more reasonable, the load distribution is uniform, the operation is stable, and the reliability is improved; according to the header, bilateral transmission on two sides of the header is realized, all transmission parts are symmetrically arranged, the universality of parts is high, and the maintenance is very convenient;

compared with the prior art, the guide-in rollers guide cut straws into the feeding mechanism behind the swing ring cutter, and the probability of dropping straws is effectively reduced by the small radial distance between the front and back adjacent guide-in rollers.

Drawings

FIG. 1 is an overall structure view of a header for a corn harvester of the invention;

FIG. 2 is an overall structure view of the ear harvesting header of the present invention;

FIG. 3 is a block diagram of a small elevator of the present invention;

FIG. 4 is a structural view of the snapping mechanism of the present invention;

FIG. 5 is a structural diagram of the left ear-picking unit of the present invention;

FIG. 6 is a structural diagram of the left gearbox of the present invention;

FIG. 7 is a structural view of a left middle ear picking unit of the present invention;

FIG. 8 is a schematic structural view of a straw harvesting header of the present invention;

FIG. 9 is a first transmission diagram of the left side of the header for the stalk and ear harvesting corn harvester of the invention;

FIG. 10 is a second transmission diagram of the left side of the header for the stalk and ear harvesting corn harvester of the invention;

FIG. 11 is a left and right first shaft transmission diagram of the header of the present invention;

FIG. 12 is a first right side transmission diagram of a header for the novel stalk and ear harvesting corn harvester of the present invention;

fig. 13 is a second transmission diagram of the right side of the header for the novel stalk and ear harvesting corn harvester.

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 invention, as claimed, but is merely representative of selected embodiments of the invention. 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, 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, a header for a stalk and ear harvesting corn harvester comprises an ear harvesting header 1, a stalk harvesting header 2 and a lower main shaft 10, wherein the lower main shaft 10 is in transmission connection with an engine and transmits power to the ear harvesting header 1 and the stalk harvesting header 2.

Further, as shown in fig. 2, the ear harvesting header 1 comprises a left small elevator 1-1, a right small elevator 1-2, a left small auger 1-3, a right small auger 1-4, a left ear picking mechanism and a right ear picking mechanism, wherein the top outlet of the left small elevator 1-1 is communicated with the inlet of the left small auger 1-3, the top outlet of the right small elevator 1-2 is communicated with the inlet of the right small auger 1-4, and an upper header auger outlet is arranged between the left small auger 1-3 and the right small auger 1-4, so that the ears are further transported to the peeling mechanism.

Further, as shown in fig. 2 to 4, 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, wherein the small left elevator driving shaft 1-12 and the small left elevator driven shaft 1-13 are provided with transmission chain wheels on the inner sides 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 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. 4, the left ear picking mechanism comprises a left ear picking unit I1-5, a left middle ear picking unit 1-6 and a left ear picking unit II 1-7.

Further, as shown in fig. 4-5, the left ear picking unit 1-5 comprises 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. 5-6, 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. 4, the left ear picking unit two 1-7 is symmetrically arranged with the left ear picking unit one 1-5 with the left small elevator 1-1 as the center, the left ear picking unit two 1-7 comprises a left gear box two 1-71, the left gear box two 1-71 comprises a left gear box two power input shaft 1-711, and other structures and connection modes of the left ear picking unit two 1-7 are the same as those of the left ear picking unit one 1-5. The left ear picking unit I1-5 and the left ear picking unit II 1-7 are respectively arranged at the left side and the right side of the left small elevator 1-1.

Further, as shown in fig. 4 and 7, the left middle ear picking unit 1-6 comprises a support plate 1-61, a reversing mechanism 1-62 and a reel chain driving wheel, wherein the support plate 1-61 is mounted at the front end of the housing 1-11, the reversing mechanism 1-62 is mounted below the support plate 1-61, and the reel chain driving wheel is mounted above the support plate 1-61;

the reversing mechanism 1-62 comprises an input shaft 1-621 and an output shaft 1-622, two output shafts 1-622 are arranged and are perpendicular 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. 3, the input shaft 1-621 is in transmission connection with the left small elevator driven shaft 1-13. Preferably, the left small elevator driven shaft 1-13 and the outer side of the shell 1-11 are provided with power transmission chain wheels 1-15, the input shaft 1-621 is provided with a power receiving chain wheel (not shown), and the power transmission chain wheels 1-15 are connected with the power receiving chain wheel through a chain.

Further, as shown in fig. 4, the right ear picking mechanism comprises a first right ear picking unit 1-8, a right middle 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. 1 and 8, the straw harvesting header 2 comprises a header frame body, and further comprises a swing ring cutter, a feeding mechanism, a crushing mechanism and a feeding auger 2-5 which are sequentially arranged in the header frame body from front to back, wherein the feeding mechanism comprises at least two guide-in rollers 2-1 which are arranged along the front-back direction, the number of the guide-in rollers is four in the embodiment, the axes of the guide-in rollers 2-1 are arranged along the left-right direction, and all the guide-in rollers 2-1 synchronously rotate in the same direction; the feeding mechanism comprises an upper feeding roller 2-3 and a smooth rod 2-2; the crushing mechanism comprises a rotary moving blade 2-4; the swinging ring cutter is a main part for cutting straws at the foremost edge of the header, the swinging ring cutter is controlled to reciprocate through the swinging ring box to cut the straws, the cut straws are guided into the feeding mechanism by the guide-in roller 2-1 behind the front cutting knife, the straws are clamped by the feeding roller 2-3 and the smooth rod 2-2 on the feeding mechanism and are sent into the crushing mechanism to be crushed, and the crushed straws are sent to the fan to be discharged by the feeding auger 2-5. Compared with the prior structure, the distance between the two front and back adjacent guide-in rollers 2-1 along the radial direction is smaller, so that the probability of straw falling can be effectively reduced, the straw loss can be greatly reduced, the loss rate is reduced, and the machine income is improved.

Further, as shown in fig. 1 and 9-10, 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, a header left third shaft output sprocket 15 is further arranged on the left side of the header left third shaft input sprocket 13, the header left third shaft output sprocket 15 is in transmission connection with a header left first shaft 18 through a chain and a header left first shaft input sprocket 17, a left ear picking unit one power input sprocket 19 is further arranged on the left side of the header left first shaft input sprocket 17, 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 a chain and a left ear picking unit one power sprocket 21, so that power is provided for the left ear picking unit one 1-5; a transmission gear 25 is further arranged on the left side of the power input shaft 1-511 of the left gearbox and the power chain wheel 21 of the left ear picking unit, the transmission gear 25 is in transmission connection with an intermediate shaft 27 through a meshing gear 26, a rotary moving blade shaft input chain wheel 28 is further arranged on the intermediate shaft 27 and on the outer side of the meshing gear 26, and the rotary moving blade shaft input chain wheel 28 is in transmission connection with a rotary moving blade shaft 30 through a chain and a rotary moving blade shaft power input chain wheel 29 to provide power for the crusher; an upper feeding roller input chain wheel 31 is further arranged on the right side of the rotating movable cutter shaft power input chain wheel 29, and the upper feeding roller input chain wheel 31 is connected with an upper feeding roller shaft through a chain and an upper feeding roller power input chain wheel 32 in a transmission mode to provide power for the upper feeding roller.

Further, as shown in fig. 10, 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 shafts 1 to 12 through a chain and a left small elevator power sprocket 61, so as to provide power for the left small elevators; and a left small auger power transmission chain wheel (not shown) is also 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. 10-11, 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. 1 and 12, the right end sprocket 34 of the lower main shaft 10 is connected with the third right shaft 38 of the header through the transmission of the chain and the third right shaft input sprocket 33 of the header, and is located on the third right shaft 38 of the header the outside of the third right shaft input sprocket 33 of the header is sequentially provided with the first right third shaft output sprocket 39 of the header and the second right third shaft output sprocket 35 of the header, the second right third shaft output sprocket 35 of the header is connected with the feeding auger power shaft through the transmission of the chain and the feeding auger input sprocket 36, so that power is provided for the feeding auger.

Further, as shown in fig. 1 and 12-13, 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 is connected with a smooth roller power shaft 50 through a chain and a smooth roller power input chain wheel 49.

Further, as shown in fig. 9 and 12, a swing box input pulley 51 and a guide roller input sprocket 52 are further disposed at the other end of the smooth roller power shaft 50, the swing box input pulley 51 is in transmission connection with a swing box driving shaft through a belt and a swing box power input pulley 53, and the guide roller input sprocket 52 is connected with a guide roller power shaft 55 through a chain and a guide roller power input sprocket 54, so as to provide power for the feeding mechanism.

Further, as shown in fig. 13, a right small elevator power input sprocket 65 is further disposed on the header right first shaft 41 and on the left side of the header right first shaft input sprocket 40, and the right small elevator power input sprocket 65 is in transmission connection with the right small elevator drive shaft through a chain and a right small elevator power sprocket 66, so as to provide power for the right small elevator; and a right small auger power transmission chain wheel (not shown) is also 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 augers 1-4.

Further, as shown in fig. 11 and 13, a right ear picking unit two power input sprocket 69 is further arranged at the left end of the header right first shaft 41, and the right ear picking unit two power input sprocket 69 is in transmission connection with the right gearbox two power input shaft through a chain and a right ear picking unit two power sprocket (not shown), so that power is provided for the right ear picking unit two.

The working principle of the invention is as follows:

for the ear harvesting header 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 the 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 off 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 pair roller II 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 ear harvesting header 1 have the same working principle as the left side of the ear harvesting header 1.

For the straw harvesting header 2, the swinging ring cutter is a main part for cutting straws at the foremost edge of the header, the swinging ring cutter is controlled to reciprocate through the swinging ring box to cut the straws, the guide-in roller 2-1 guides the cut straws into the feeding mechanism behind the front cutting knife, the straws are clamped by the feeding roller 2-3 and the smooth roller 2-2 on the feeding mechanism and are sent into the crushing mechanism to be crushed, and the crushed straws are sent to the fan by the feeding auger 2-5 to be discharged and enter the next process.

The foregoing is illustrative of the best mode of the invention 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 (10)

1. A header for a stem and ear harvesting type corn harvester comprises a fruit ear harvesting header, a straw harvesting header and a lower main shaft, wherein the lower main shaft is in transmission connection with an engine and transmits power to the fruit ear harvesting header and the straw harvesting header;

the ear harvesting 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;

the method is characterized in that: little lift conveyer in a left side, little auger in a left side and a left ear of grain mechanism of plucking with the header left side shaft drive is connected, little lift conveyer in the right side, little auger in the right side and a right ear of grain mechanism of plucking with the header right side shaft drive is connected.

2. The header for the stem-ear harvesting corn harvester of claim 1, 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;

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.

3. A header for a stem and ear harvesting corn harvester according to claim 1 or 2, characterized in that: 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;

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.

4. The header for the stem-ear harvesting corn harvester of claim 2, 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.

5. The header for the stem-ear harvesting corn harvester of claim 4, 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;

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.

6. The header for the stem-ear harvesting corn harvester of claim 2, wherein: the first left ear picking unit further comprises a first left ear picking roller, a first left universal shaft, a first left reversing box and a power output shaft of the first left reversing box, the first left ear picking roller and the first left universal shaft are arranged at the front end of the first left reversing box and are in transmission connection with the left reversing box, the first left reversing box is in transmission connection with the left universal shaft, the power output shaft of the first left reversing box is vertically arranged at the upper end of the first left reversing box, and a reel chain driving wheel is fixedly mounted on the power output shaft of the first left reversing box;

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.

7. The header for the stem-ear harvesting corn harvester of claim 6, wherein: the left ear picking unit I and the left ear picking unit II are respectively arranged on 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.

8. The header for the stem-ear harvesting corn harvester of claim 3, wherein: the straw harvesting header comprises a header frame body, and further comprises a swinging ring cutter, a feeding mechanism, a crushing mechanism and a feeding auger which are sequentially arranged in the header frame body from front to back, wherein the feeding mechanism comprises at least two guide-in rollers which are arranged along the front-back direction, the axes of the guide-in rollers are arranged along the left-right direction, and all the guide-in rollers synchronously rotate in the same direction; the feeding mechanism comprises an upper feeding roller and a smooth roller; the crushing mechanism comprises a rotary moving knife;

the rotary moving knife and the upper feeding roller are in transmission connection with a power input shaft of a left gearbox, and the guide-in roller, the smooth rod and the swinging ring knife are in transmission connection with a power input shaft of a right gearbox.

9. The header for the stem-ear harvesting corn harvester of claim 8, wherein: a transmission gear is arranged on a power input shaft of the left gearbox and on the left side of a power chain wheel of the left ear picking unit, the transmission gear is in transmission connection with an intermediate shaft through a meshing gear, a rotary moving knife shaft input chain wheel is arranged on the intermediate shaft and on the outer side of the meshing gear, and the rotary moving knife shaft input chain wheel is in transmission connection with a rotary moving knife shaft through a chain and the rotary moving knife shaft power input chain wheel; an upper feeding roller input chain wheel is further arranged on the right side of the rotating movable cutter shaft power input chain wheel and is connected with an upper feeding roller shaft through a chain and the upper feeding roller power input chain wheel in a transmission mode.

10. The header for the stem-ear harvesting corn harvester of claim 8, wherein: 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 the smooth roller input chain wheel is connected with a smooth roller power shaft through a chain and the smooth roller power input chain wheel;

the smooth roller power shaft other end still sets up pendulum and returns case input belt pulley and leading-in roller input sprocket, pendulum is returned case input belt pulley and is passed through the belt, is put the case power input belt pulley transmission and is connected pendulum and is returned the case drive shaft, leading-in roller input sprocket passes through the chain, is connected leading-in roller power shaft to leading-in roller power input sprocket.

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