CN220545507U

CN220545507U - Header of corn harvester capable of harvesting stems and ears

Info

Publication number: CN220545507U
Application number: CN202122604866.1U
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: 2021-10-28
Filing date: 2021-10-28
Publication date: 2024-03-01
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a header of a corn harvester with both stalks and ears, which comprises a header for harvesting ears, a header for harvesting straws and a header power shaft, wherein the header power shaft is in transmission connection with an engine; the ear harvesting header comprises an upper header auger, a small lift conveyer and an ear picking mechanism which are arranged in front of the upper header auger, and the small lift conveyer and the ear picking mechanism are driven by a header power shaft; the straw harvesting header comprises a lower header auger, a swinging box and a feeding roller. The cutting table power shaft is sequentially provided with a driving belt pulley of the swing box, a driving wheel of the lower cutting table auger, a driving wheel of the upper cutting table auger and a driving gear, power is respectively transmitted to the swing box, the lower cutting table auger, the upper cutting table auger and the upper driving shaft of the cutting table, the upper driving shaft of the cutting table is also provided with a gearbox driving wheel and a small lift conveyer driving wheel, the power is respectively transmitted to the ear picking mechanism and the small lift conveyer, the ear picking mechanism also transmits the power to the feeding roller, the power transmission stage number is low, the energy loss is small, and the product reliability is high.

Description

Header of corn harvester capable of harvesting stems and ears

Technical Field

The utility model relates to the field of corn harvesters, in particular to a header of a corn harvester with both stems and ears.

Background

The corn harvester header is composed of a corn harvesting header and a straw harvesting header, wherein the corn harvesting header comprises a corn picking mechanism and a screw conveyer, the corn picking mechanism picks off the corn, and the corn is conveyed to a grain conveyer of the corn harvester through the screw conveyer; the straw harvesting header comprises a swinging cutter and a packing auger, wherein the swinging cutter cuts off straws from roots and conveys the straws to the straw crushing mechanism through the packing auger.

Zl201420562973.X discloses a corn harvester header, which pulls corn stalks to a snapping roll through a pulling chain arranged left and right to pick the ears, and the picked ears are lifted to a large lift conveyer for subsequent treatment through the pulling chain. Firstly, in the structure for carrying out the seedling pulling and the ear conveying by adopting a group of seedling pulling chains, the seedling pulling and the ear conveying speeds are the same, independent adjustment cannot be carried out, on one hand, the lifting speed of the ears cannot be further improved, the lifting speed is lower, and the efficiency is low; on the other hand, when the density of the corn stalks is different, the seedling pulling speed and the conveying speed of the ears cannot be effectively matched, the ears cannot be quickly lifted to the large lift conveyer, accumulation of the corn ears is easy to occur, and equipment is easy to fail.

In addition, the existing stalk and spike harvesting corn harvester cutting table is generally transmitted to a spike picking mechanism, an upper cutting table auger, a swinging knife, a lower cutting table auger and the like in sequence through multistage transmission by a cutting table total input shaft, and the energy loss is large and the product reliability is low due to high power transmission stage number.

Disclosure of Invention

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

the header of the corn harvester with both the stalks and the ears comprises a harvesting header of the ears, a harvesting header of the stalks and a header power shaft, wherein the header power shaft is in transmission connection with an engine;

the harvesting header comprises an upper header auger, a left small elevator, a right small elevator, a left ear picking mechanism and a right ear picking mechanism which are arranged in front of the upper header auger, wherein top outlets of the left small elevator and the right small elevator are communicated with the upper header auger, an upper auger input wheel is arranged at the left end of the upper header auger, and the left small elevator, the right small elevator, the left ear picking mechanism and the right ear picking mechanism are driven by a header upper driving shaft;

the straw harvesting header comprises a straw cutting mechanism, a feeding roller and a lower header auger which are sequentially connected front and back; the straw cutting mechanism comprises a swinging box, a fixed cutter and a movable cutter, wherein the swinging box is in transmission connection with the movable cutter; the left end of the lower header auger is provided with a lower auger input wheel, the swing box is provided with a swing box input wheel, and the right end of the feeding roller is provided with a feeding roller input wheel;

the right end of the cutting table power shaft is provided with a cutting table driving wheel which is connected with a cutting table lower driving shaft through chain transmission, a swinging box driving belt pulley, a lower cutting table auger driving wheel, an upper cutting table auger driving wheel and a driving gear are sequentially arranged on the cutting table lower driving shaft from left to right, and the swinging box driving belt pulley is connected with the swinging box through a belt and a swinging box input wheel in a transmission manner; the lower cutting table auger driving wheel is in transmission connection with the lower cutting table auger through a chain and a lower auger input wheel; the upper header auger driving wheel is in transmission connection with the upper header auger through a chain and an upper auger input wheel;

the driving gear is meshed with a driven gear arranged on the intermediate shaft, an upper header driving wheel is further arranged at the left end of the intermediate shaft, and the upper header driving wheel is in transmission connection with an upper header driving shaft through a chain and an upper header power receiving wheel; the feeding roller input wheel is in transmission connection with the driving shaft on the cutting table.

Preferably, the left small elevator comprises a shell, a left small elevator driving shaft, a left small elevator driven shaft and a conveying chain, wherein a plurality of conveying chain wheels are arranged on the left small elevator driving shaft and the left small elevator driven shaft and positioned on the inner side of the shell, the conveying chain surrounds the conveying chain wheels corresponding to the left small elevator driving shaft and the left small elevator driven shaft, and the left small elevator driving shaft and the left small elevator driven shaft penetrate through and extend out of the left end of the shell;

the left small elevator driving shaft is connected with the driving shaft on the header in a transmission manner.

Preferably, the right small elevator and the left small elevator have the same structure, are arranged in a mirror image mode by the center line of the ear harvesting header, and comprise a right small elevator driving shaft which is in transmission connection with the driving shaft on the header.

Preferably, 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 left ear picking unit I comprises a left gearbox I, a left ear picking pair roller I, a left universal shaft I, a left reversing box I power output shaft, a reel chain driving wheel I and a reel chain, wherein the left ear picking pair roller I and the left universal 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 universal shaft I, the left reversing box I power output shaft is vertically arranged at the upper end of the left reversing box I, and the reel chain driving wheel I is fixedly arranged on the left reversing box I power output shaft.

Preferably, the first left gearbox comprises a first left gearbox power input shaft, a first ear picking pair roller output shaft and a universal shaft output shaft, wherein the first left gearbox power input shaft is in transmission connection with the driving shaft on the header, the first ear picking pair roller output shaft is connected with the first left ear picking pair roller, and the universal shaft output shaft is connected with the first left universal shaft.

Preferably, the second left ear picking unit is arranged in a mirror image with the first left ear picking unit by taking the small left elevator as a center, the second left ear picking unit comprises a second left gearbox, the second left gearbox comprises a second left gearbox power input shaft, and the first left ear picking unit and the second left ear picking unit are respectively arranged at the left side and the right side of the small left elevator;

and the two power input shafts of the left gearbox are in transmission connection with the driving shaft on the header.

Preferably, the left middle ear picking unit comprises a supporting plate, a reversing mechanism and a reel chain driving wheel II, wherein the supporting plate is arranged at the front end of the shell, the reversing mechanism is arranged below the supporting plate and near the front end of the shell, 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 second reel chain driving wheel is fixedly arranged on the output shaft; the input shaft is in transmission connection with the driven shaft of the left small elevator.

Preferably, a power transmission chain wheel is arranged on the driven shaft of the left small 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 chain transmission.

Preferably, 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; the first right ear picking unit comprises a first right gearbox, the first right gearbox comprises a first right gearbox power input shaft, the second right ear picking unit comprises a second right gearbox, and the second right gearbox comprises a second right gearbox power input shaft; 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.

Preferably, a gearbox driving wheel and a small elevator driving wheel are further arranged on the driving shaft on the header; the transmission wheel is arranged in the middle of a driving shaft on the cutting table, and is in transmission connection with a transmission left power shaft through a chain and a transmission power receiving wheel, and a left ear picking unit first power input sprocket and a left ear picking unit second power input sprocket are respectively arranged at the left end and the right end of the transmission left power shaft.

Preferably, the right end of the left power shaft of the gearbox is coaxially provided with the right power shaft of the gearbox, and the right end of the left power shaft of the gearbox is connected with the left end of the right power shaft of the gearbox through a coupler, so that the right power shaft of the gearbox is driven to synchronously rotate; the left end and the right end of the right power shaft of the gearbox are respectively provided with a second power input sprocket of the right ear picking unit and a first power input sprocket of the right ear picking unit.

Preferably, the left ear picking unit is connected with a power input shaft of the left gearbox in a transmission way through a chain and the left gearbox is connected with a driving wheel of the left gearbox; the second power input chain wheel of the left ear picking unit is in transmission connection with the second power input shaft of the left gearbox through a chain and a second driving wheel of the left gearbox; the second power input chain wheel of the right ear picking unit is in transmission connection with the second power input shaft of the right gearbox through a chain and a second driving wheel of the right gearbox; the right ear picking unit is characterized in that a power input chain wheel is connected with a power input shaft of the right gearbox in a transmission way through a chain and a driving wheel of the right gearbox.

Preferably, the small elevator driving wheel is in transmission connection with the left small elevator driving shaft through a chain and a small elevator driving wheel; the right end of the left small elevator driving shaft penetrates through and extends out of the right end of the shell, and the right end of the left small elevator driving shaft is connected with the right small elevator driving shaft through a coupling assembly.

Preferably, the right end of the first power input shaft of the right gearbox is coaxially connected with a feeding roller power transmission shaft through a second coupler, the right end of the feeding roller power transmission shaft is further provided with a feeding roller power transmission wheel, and the feeding roller power transmission wheel is in transmission connection with the feeding roller input wheel through a chain and a cone pulley 58.

Preferably, the cone pulley comprises a large pulley and a small pulley which are integrally formed, the feeding roller power transmission pulley is connected with the large pulley through chain transmission, and the small pulley is connected with the feeding roller input pulley through chain transmission.

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

the cutting table power shaft is sequentially provided with a driving belt pulley of the swing box, a driving wheel of the lower cutting table auger, a driving wheel of the upper cutting table auger and a driving gear, power is respectively transmitted to the swing box, the lower cutting table auger, the upper cutting table auger and the upper driving shaft of the cutting table, the upper driving shaft of the cutting table is also provided with a gearbox driving wheel and a small lift conveyer driving wheel, the power is respectively transmitted to the ear picking mechanism and the small lift conveyer, the ear picking mechanism further transmits the power to the feeding roller, the power transmission stage number is low, the energy loss is small, and the product reliability is high.

The seedling pulling chain, the ear picking pair roller, the small elevator and the upper header auger are independently arranged and independently driven, so that the speed is further improved, and the seedling pulling chain, the ear picking pair roller, the small elevator and the upper header auger can be reasonably matched. The gear box drives the independent seedling pulling chain and the ear picking pair roller to pull the seedling and pick the ear, so that the seedling pulling speed and the ear picking speed can be independently improved, and the seedling pulling and ear picking efficiency is improved. And the small single elevator is adopted to carry out the lifting of the clusters, so that the lifting speed of the clusters can be further improved, the lifting speed of the clusters is improved, the clusters are effectively prevented from being accumulated, and the clusters are not missed. And the rotating speed of the independently arranged upper header auger can be independently adjusted, so that the requirement of the chain conveyor for rapidly conveying the ears is met, a large number of ears are pushed to a large elevator, and the harvesting efficiency of corn is improved.

Drawings

FIG. 1 is a diagram of the overall structure of a header of the present utility model;

FIG. 2 is a diagram of the overall structure of the ear harvesting header of the present utility model;

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

FIG. 4 is a block diagram of a small elevator and intermediate ear picking unit of the present utility model;

FIG. 5 is a block diagram of the ear picking mechanism of the present utility model;

FIG. 6 is a first construction diagram of a left ear picking unit according to the present utility model;

FIG. 7 is a second block diagram of the left ear picking unit according to the present utility model;

FIG. 8 is a block diagram of a left gearbox of the present utility model;

FIG. 9 is a view showing the whole structure of the straw harvesting header of the present utility model;

FIG. 10 is an overall driving diagram of the header of the present utility model;

FIG. 11 is a first view of the drive of the harvesting header of the present utility model;

FIG. 12 is a first overall drive diagram of the ear harvesting header of the present utility model;

FIG. 13 is a second overall drive diagram of the ear harvesting header of the present utility model;

FIG. 14 is a second view of the drive of the harvesting header of the present utility model;

fig. 15 is a diagram of the cone pulley structure of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model 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 utility model, as 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 made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-2, according to an embodiment of the present utility model, a header of a corn harvester with both ears includes an ear harvesting header 1, a straw harvesting header 2 and a header power shaft 30, wherein the header power shaft 30 is in transmission connection with an engine and transmits power to the ear harvesting header 1 and the straw harvesting header 2.

Further, as shown in fig. 2, the ear harvesting header 1 comprises an upper header auger 10, a left small elevator 11, a right small elevator 12, a left ear picking mechanism and a right ear picking mechanism which are arranged in front of the upper header auger 10, top outlets of the left small elevator 11 and the right small elevator 12 are communicated with the upper header auger 10, the upper header auger 10 further conveys the ears to the peeling mechanism, an upper auger input wheel 101 is arranged at the left end of the upper header auger 10, and the upper auger input wheel 101 is in transmission connection with the header power shaft 30.

Further, as shown in fig. 2-4, the left small elevator 11 is a chain-plate elevator, and includes a casing 111, a left small elevator driving shaft 112, a left small elevator driven shaft 113, and a conveying chain 114, where a plurality of conveying sprockets are disposed on the left small elevator driving shaft 112 and the left small elevator driven shaft 113 and located inside the casing 111, and the conveying chain 114 surrounds the conveying sprockets corresponding to the left small elevator driving shaft 112 and the left small elevator driven shaft 113, and the left small elevator driving shaft 112 and the left small elevator driven shaft 113 extend through the left end of the casing 111, where the left small elevator driving shaft 112 is in transmission connection with the header power shaft 30.

Further, the right small elevator 12 is identical in structure to the left small elevator 11, and includes a right small elevator driving shaft 122.

Further, as shown in fig. 5, the left ear picking mechanism includes a left ear picking unit 13, a left middle ear picking unit 14, and a left ear picking unit 15.

Further, as shown in fig. 5-7, the left ear picking unit first 13 includes a left gearbox first 131, a left ear picking pair roller first 132, a left cardan shaft first 133, a left reversing box first 134, a left reversing box first power output shaft 135, a reel chain driving wheel first 136 and a reel chain, the left ear picking pair roller first 132 and the left cardan shaft first 133 are arranged at the front end of the left reversing box first 134 and are in transmission connection with the left reversing box first 134, the left reversing box first 134 is in transmission connection with the left cardan shaft first 133, the left reversing box first power output shaft 135 is vertically arranged at the upper end of the left reversing box first, and the reel chain driving wheel first 136 is fixedly installed on the left reversing box first power output shaft 135;

further, as shown in fig. 8, the first left gearbox 131 includes a first left gearbox power input shaft 1311, a first ear picking pair roller output shaft 1312, and a first universal shaft output shaft 1313, where the first left gearbox power input shaft 1311 is in driving connection with the header power shaft 30, the first ear picking pair roller output shaft 1312 is connected to the first left ear picking pair roller 132, and the first universal shaft output shaft 1313 is connected to the first left universal shaft 133.

Further, as shown in fig. 5, the second left ear picking unit 15 is symmetrically disposed with the first left ear picking unit 13 around the small left elevator 11, the second left ear picking unit 15 includes a second left gearbox 151, the second left gearbox 151 includes a second left gearbox power input shaft 1511, and other structures and connection manners of the second left ear picking unit 15 are the same as those of the first left ear picking unit 13. The first left ear picking unit 13 and the second left ear picking unit 15 are respectively arranged at the left side and the right side of the left small elevator 11.

Further, as shown in fig. 3-5, the left middle ear picking unit 14 includes a support plate 141, a reversing mechanism 142, and a second reel drive wheel 143, where the support plate 141 is mounted at the front end of the housing 111, the reversing mechanism 142 is mounted below the support plate 141 and near the front end of the housing 111, and the reel drive wheel 143 is mounted above the support plate 141;

the reversing mechanism 142 includes an input shaft 1421 and an output shaft 1422, the output shafts 1422 are two and perpendicular to the input shaft 1421, and the second reel driving wheel 143 is fixedly mounted on the output shaft 1422.

Further, as shown in FIG. 3, the input shaft 1421 is in driving connection with the left small elevator driven shaft 113. Preferably, a power transmission sprocket 115 is disposed on the driven shaft 113 of the small left elevator and located outside the casing 111, and the input shaft 1421 is provided with a power receiving sprocket 1423, and the power transmission sprocket 115 is connected with the power receiving sprocket 1423 through a chain transmission.

Further, as shown in fig. 5, the right ear picking mechanism includes a right ear picking unit one 16, a right middle ear picking unit 17 and a right ear picking unit two 18; the first right ear picking unit 16 comprises a first right gearbox 161, the first right gearbox 161 comprises a first right gearbox power input shaft 1611, the second right ear picking unit 18 comprises a second right gearbox 181, and the second right gearbox 181 comprises a second right gearbox power input shaft 1811; 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 9, the straw harvesting header 2 comprises a header shell, and a straw cutting mechanism, a feeding roller 24 and a lower header auger 20 which are arranged on the header shell, wherein the straw cutting mechanism, the feeding roller 24 and the lower header auger 20 are sequentially connected front and back; a lower auger input wheel 201 is arranged at the left end of the lower header auger 20, and the lower auger input chain wheel 201 is in transmission connection with the header power shaft 30; the right end of the feeding roller 24 is provided with a feeding roller input wheel 241, and the feeding roller input wheel 241 is in transmission connection with the header power shaft 30.

Further, the straw cutting mechanism comprises a swinging box 21, a fixed cutter 22 and a movable cutter 23, wherein a swinging box input wheel 211 is arranged on the swinging box 21, and the swinging box input wheel 211 is in transmission connection with a cutting table power shaft 30 through a transmission belt; the swinging box 21 is in transmission connection with the movable cutter 23, and the movable cutter 23 is driven by the swinging box 21 to reciprocate relative to the fixed cutter 22, so that corn stalks are cut off from the bottom.

Further, referring to fig. 2 and 10-12, a header driving wheel 31 is arranged at the right end of the header power shaft 30, the header driving wheel 31 is connected with a header lower driving shaft 32 through chain transmission, a swing box driving pulley 33, a lower header auger driving wheel 34, an upper header auger driving wheel 35 and a driving gear 36 are sequentially arranged on the header lower driving shaft 32 from left to right, and the swing box driving pulley 33 is connected with the swing box 21 through a belt and a swing box input wheel 211 in a transmission manner, so as to provide power for the swing box 21; the lower header auger driving wheel 34 is in transmission connection with the lower header auger 20 through a chain and a lower auger input wheel 201, so as to provide power for the lower header auger 20; the upper header auger driving wheel 35 is in transmission connection with the upper header auger 10 through a chain and an upper auger input wheel 101, so as to provide power for the upper header auger.

Further, as shown in fig. 1 and 11, the driving gear 36 is meshed with the driven gear 37 arranged on the intermediate shaft 38, so as to drive the intermediate shaft 38 to rotate, an upper header driving wheel 39 is further arranged at the left end of the intermediate shaft 38, and the upper header driving wheel 39 is in transmission connection with an upper header driving shaft 41 through a chain and an upper header power receiving wheel 40; a gearbox driving wheel 42 and a small elevator driving wheel 43 are also arranged on the driving shaft 41 on the header;

the transmission driving wheel 42 is arranged in the middle of the driving shaft 41 on the cutting table, the transmission driving wheel 42 is in transmission connection with a transmission left power shaft 45 through a chain and a transmission power receiving wheel 44, a left ear picking unit I power input chain wheel 46 and a left ear picking unit II power input chain wheel 47 are respectively arranged at the left end and the right end of the transmission left power shaft 45, and the left ear picking unit I power input chain wheel 46 is in transmission connection with the left transmission first power input shaft 1311 through the chain and a left transmission first driving wheel 48, so that the left transmission first 131 is driven to work and power is provided for the left ear picking unit I13; the second power input sprocket 47 of the second left ear picking unit is in transmission connection with the second power input shaft 1511 of the second left gearbox via a chain and a second driving wheel (not shown) of the second left gearbox, so as to drive the second left gearbox 151 to work and provide power for the second left ear picking unit 15.

Further, the right end of the left power shaft 45 of the gearbox is coaxially provided with a right power shaft 49 of the gearbox, and the right end of the left power shaft 45 of the gearbox is connected with the left end of the right power shaft 49 of the gearbox through a coupling 50, so as to drive the right power shaft 49 of the gearbox to synchronously rotate; the left end and the right end of the gearbox right power shaft 49 are respectively provided with a right ear picking unit second power input sprocket 51 and a right ear picking unit first power input sprocket 52, and the right ear picking unit second power input sprocket 51 is in transmission connection with the right gearbox second power input shaft 1811 through a chain and a right gearbox second driving wheel (not shown), so as to drive the right gearbox second 181 to work and provide power for the right ear picking unit second 18; the right ear picking unit one power input sprocket 52 is in transmission connection with the right gearbox one power input shaft 1611 through a chain and a right gearbox one driving wheel (not shown), so as to drive the right gearbox one 161 to work and provide power for the right ear picking unit one 16.

Further, referring to fig. 13-15, the right end of the first power input shaft 1611 of the right gearbox is coaxially connected with the feeding roller power transmission shaft 56 through the second coupling 55, the right end of the feeding roller power transmission shaft 56 is further provided with a feeding roller power transmission wheel 57, and the feeding roller power transmission wheel 57 is in transmission connection with the feeding roller input wheel 241 through a chain and a cone pulley 58, so as to drive the feeding roller 24 to work.

Further, the cone pulley 58 includes a large wheel 581 and a small wheel 582 which are integrally formed, the feeding roller power transmission wheel 57 is connected with the large wheel 581 through a chain transmission, and the small wheel 582 is connected with the feeding roller input wheel 241 through a chain transmission.

Further, as shown in fig. 13, the small elevator driving wheel 43 is in driving connection with the left small elevator driving shaft 112 through a chain and a small elevator driving wheel 53, so as to provide power for the left small elevator; the right end of the left small elevator driving shaft 112 extends through the right end of the casing 111, and the right end of the left small elevator driving shaft 112 is connected with the right small elevator driving shaft 122 through the coupling assembly 54, so as to drive the right small elevator driving shaft 122 to synchronously rotate, and power the right small elevator 12.

The working principle of the utility model is as follows:

for the ear harvesting header 1, a first reel chain driving wheel 136 is fixedly arranged on a first power output shaft 135 of a left reversing box in the first left ear picking unit 13, and the first reel chain driving wheel 136 is driven to rotate by a power system so as to drive a reel chain on the first left ear picking unit 13 to move; the two output shafts 1422 in the left middle ear picking unit 14 are provided, and two output shafts 1422 are fixedly provided with a second reel chain driving wheel 143, wherein the second reel chain driving wheel 143 on the left side drives a reel chain to move and form a reel assembly with the reel chain in the first left ear picking unit 13 so as to righting lodged and inclined corn plants; the left ear picking pair roller I132 in the left ear picking unit I13 is matched with an ear picking plate to pick off corn ears, the picked ears fall into the Zuo Xiao elevator 11, the left small elevator 11 conveys the ears to the upper header auger 10, and the ears finally enter the next working procedure of the corn harvester through the upper header auger 10. Similarly, a second reel chain driving wheel 143 on the right side in the left middle ear picking unit 14 drives a reel chain to move, and forms a reel assembly with a reel chain in the second left ear picking unit 15, so as to centralize lodged and inclined corn plants, the second left ear picking pair roller in the second left ear picking unit 15 is matched with an ear picking plate to pick off corn ears, the picked corn ears also fall into the left small lift conveyer 11, the left small lift conveyer 11 conveys the corn ears to the upper header auger 10, and the corn ears finally enter the next procedure of the corn harvester through the upper header auger 10.

Similarly, the working principle of the right ear picking mechanism and the right small elevator 1-2 on the right side of the ear harvesting header 1 is the same as that of the left ear picking mechanism on 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 straw at the forefront of the header, the swinging ring cutter is controlled to reciprocate through the swinging ring box to cut the straw, the chopped forage reaches the lower header auger 20 under the action of the feeding roller, and the chopped forage is sent to the next procedure by the lower header auger 20.

The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.

Claims

1. The header of the corn harvester with both the stalks and the ears comprises a harvesting header of the ears, a harvesting header of the stalks and a header power shaft, wherein the header power shaft is in transmission connection with an engine;

the cutting table is characterized in that a cutting table driving wheel is arranged at the right end of a cutting table power shaft and is connected with a cutting table lower driving shaft through chain transmission, a swinging box driving belt pulley, a lower cutting table auger driving wheel, an upper cutting table auger driving wheel and a driving gear are sequentially arranged on the cutting table lower driving shaft from left to right, and the swinging box driving belt pulley is connected with the swinging box through a belt and a swinging box input wheel in a transmission manner; the lower cutting table auger driving wheel is in transmission connection with the lower cutting table auger through a chain and a lower auger input wheel; the upper header auger driving wheel is in transmission connection with the upper header auger through a chain and an upper auger input wheel;

the driving gear is meshed with a driven gear arranged on the intermediate shaft, an upper header driving wheel is further arranged at the left end of the intermediate shaft, and the upper header driving wheel is in transmission connection with an upper header driving shaft through a chain and an upper header power receiving wheel; the feeding roller input wheel is in transmission connection with a driving shaft on the cutting table;

the left small elevator comprises a shell, a left small elevator driving shaft, a left small elevator driven shaft and a conveying chain, wherein a plurality of conveying chain wheels are arranged on the left small elevator driving shaft and the left small elevator driven shaft and positioned on the inner side of the shell, the conveying chain surrounds the conveying chain wheels corresponding to the left small elevator driving shaft and the left small elevator driven shaft, and the left small elevator driving shaft and the left small elevator driven shaft penetrate through and extend out of the left end of the shell;

2. The header of a stalk and spike harvesting corn harvester of claim 1, wherein: the small right elevator is identical to the small left elevator in structure, is arranged in a mirror image mode by the center line of the ear harvesting header, and comprises a small right elevator driving shaft which is in transmission connection with the header upper driving shaft.

3. The header of a stalk and spike harvesting corn harvester of claim 2, wherein: 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 left ear picking unit I comprises a left gearbox I, a left ear picking pair roller I, a left universal shaft I, a left reversing box I power output shaft, a reel chain driving wheel I and a reel chain, wherein the left ear picking pair roller I and the left universal 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 universal shaft I, the left reversing box I power output shaft is vertically arranged at the upper end of the left reversing box I, and the reel chain driving wheel I is fixedly arranged on the left reversing box I power output shaft.

4. A header for a corn harvester with both ears as defined in claim 3, wherein: the first left gearbox comprises a first left gearbox power input shaft, a first ear picking pair roller output shaft and a first universal shaft output shaft, wherein the first left gearbox power input shaft is in transmission connection with the driving shaft on the header, the first ear picking pair roller output shaft is connected with the first left ear picking pair roller, and the first universal shaft output shaft is connected with the first left universal shaft.

5. The header of a stalk and spike harvesting corn harvester of claim 4, wherein: the second left ear picking unit is arranged in a mirror image with the first left ear picking unit by taking the small left elevator as a center, the second left ear picking unit comprises a second left gearbox, the second left gearbox comprises a second left gearbox power input shaft, and the first left ear picking unit and the second left ear picking unit are respectively arranged at the left side and the right side of the small left elevator;

6. A header for a corn harvester with both ears as defined in claim 3, wherein: the left middle ear picking unit comprises a supporting plate, a reversing mechanism and a reel chain driving wheel II, the supporting plate is arranged at the front end of the shell, the reversing mechanism is arranged below the supporting plate and near the front end of the shell, and the reel chain driving wheel is arranged above the supporting plate;

7. The header of a stalk and spike harvesting corn harvester of claim 6, wherein: the left small elevator is characterized in that a power transmission sprocket is arranged on the driven shaft of the left small elevator and positioned outside the shell, the input shaft is provided with a power receiving sprocket, and the power transmission sprocket is connected with the power receiving sprocket through chain transmission.

8. The header of a stalk and spike harvesting corn harvester of claim 4, wherein: 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; the first right ear picking unit comprises a first right gearbox, the first right gearbox comprises a first right gearbox power input shaft, the second right ear picking unit comprises a second right gearbox, and the second right gearbox comprises a second right gearbox power input shaft; 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.

9. The header of a stalk and spike harvesting corn harvester of claim 8, wherein: a gearbox driving wheel and a small elevator driving wheel are further arranged on the driving shaft on the header; the transmission wheel is arranged in the middle of a driving shaft on the cutting table, and is in transmission connection with a transmission left power shaft through a chain and a transmission power receiving wheel, and a left ear picking unit first power input sprocket and a left ear picking unit second power input sprocket are respectively arranged at the left end and the right end of the transmission left power shaft.

10. The header of a stalk and spike harvesting corn harvester of claim 9, wherein: the right end of the gearbox left power shaft is coaxially provided with a gearbox right power shaft, and the right end of the gearbox left power shaft is connected with the left end of the gearbox right power shaft through a coupler, so that the gearbox right power shaft is driven to synchronously rotate; the left end and the right end of the right power shaft of the gearbox are respectively provided with a second power input sprocket of the right ear picking unit and a first power input sprocket of the right ear picking unit.

11. The header of a stalk and spike harvesting corn harvester of claim 10, wherein: the left ear picking unit is characterized in that a power input chain wheel is connected with a power input shaft of a left gearbox through a chain and a driving wheel of the left gearbox in a transmission way; the second power input chain wheel of the left ear picking unit is in transmission connection with the second power input shaft of the left gearbox through a chain and a second driving wheel of the left gearbox; the second power input chain wheel of the right ear picking unit is in transmission connection with the second power input shaft of the right gearbox through a chain and a second driving wheel of the right gearbox; the right ear picking unit is characterized in that a power input chain wheel is connected with a power input shaft of the right gearbox in a transmission way through a chain and a driving wheel of the right gearbox.

12. A header for a corn harvester with both ears as defined in any one of claims 9 to 11, characterized in that: the small elevator driving wheel is in transmission connection with the left small elevator driving shaft through a chain and a small elevator driving wheel; the right end of the left small elevator driving shaft penetrates through and extends out of the right end of the shell, and the right end of the left small elevator driving shaft is connected with the right small elevator driving shaft through a coupling assembly.

13. The header of a stalk and spike harvesting corn harvester of claim 11, wherein: the right end of the first power input shaft of the right gearbox is coaxially connected with a feeding roller power transmission shaft through a second coupler, the right end of the feeding roller power transmission shaft is further provided with a feeding roller power transmission wheel, and the feeding roller power transmission wheel is in transmission connection with the feeding roller input wheel through a chain and a cone pulley 58.

14. The header of a stalk and spike harvesting corn harvester of claim 13, wherein: the cone pulley comprises a large pulley and a small pulley which are integrally formed, the feeding roller power transmission pulley is connected with the large pulley through chain transmission, and the small pulley is connected with the feeding roller input pulley through chain transmission.