CN219812544U - Header of corn harvester capable of harvesting stems and ears - Google Patents

Abstract

The utility model relates to a header of a corn harvester with both stems and ears, belonging to the technical field of corn harvesters. The technical proposal is as follows: comprises an upper header (1) and a lower header (2); the upper cutting table (1) comprises an upper cutting table auger mechanism (11), a right lifter (12), a left lifter (13), a left ear picking mechanism and a right ear picking mechanism which are arranged in front of the upper cutting table auger mechanism (11), and the lower cutting table (2) comprises a cutting table shell (25), straw cutting scissors (23), a feeding roller (22), a lower cutting table auger (21) and a swinging box (24) which are arranged on the cutting table shell (25); a header power wheel (205) is arranged on the header power shaft (201), and the header power wheel (205) is connected with the upper header lower driving wheel (101) through a chain. The beneficial effects of the utility model are as follows: the lifting speed of the clusters is improved, the clusters are effectively prevented from being accumulated, and the clusters are not missed.

Description

Header of corn harvester capable of harvesting stems and ears

Technical Field

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

Background

A corn stalk is pulled 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 corn harvester cutting table with both stems and ears is characterized in that power is transmitted to a corn picking mechanism, an upper cutting table auger, a swinging cutter, a lower cutting table auger and the like through a plurality of shafts, the structure is complex, and the reliability of products is low.

Disclosure of Invention

The utility model aims to provide a header of a corn harvester with both stems and ears, which improves the lifting speed of the ears, effectively prevents the accumulation of the ears, does not generate omission of the ears and solves the problems in the prior art.

The technical scheme of the utility model is as follows:

a header of a corn harvester with both stems and ears comprises an upper header and a lower header;

the upper cutting table comprises an upper cutting table auger mechanism, a right lifter, a left ear picking mechanism and a right ear picking mechanism, wherein the right lifter, the left ear picking mechanism and the right ear picking mechanism are arranged in front of the upper cutting table auger mechanism;

the left ear picking mechanism comprises a left ear picking unit, a middle left ear picking unit and a left reel unit, and the left ear picking unit and the middle left ear picking unit are respectively arranged at the left side and the right side of the left lifter; the left ear picking unit comprises a left ear picking box, a high ear picking roller, a low ear picking roller, a seedling pulling box transmission shaft, a seedling pulling box, a left seedling pulling chain and a seedling pulling bracket, wherein the high ear picking roller, the low ear picking roller and the seedling pulling box transmission shaft are arranged at the front end of the left ear picking box and are in transmission connection with the left ear picking box, the high ear picking roller and the low ear picking roller form an ear picking pair roller, the seedling pulling bracket is arranged on a main body frame, the left seedling pulling chain is arranged on the seedling pulling bracket, the left ear picking box is in transmission connection with the seedling pulling box through the seedling pulling box transmission shaft, and the seedling pulling box provides power for the rotation of the left seedling pulling chain; the right ear picking mechanism is the same as the left ear picking mechanism, and the right ear picking mechanism and the left ear picking mechanism are symmetrically arranged;

the left lifter is a chain plate lifter and comprises a shell, a left lifter driving shaft, a left lifter driven shaft and a conveying chain, wherein a plurality of conveying chain wheels are arranged on the inner side of the shell, the conveying chain surrounds the conveying chain wheels corresponding to the left lifter driving shaft and the left lifter driven shaft, the left lifter driving shaft and the left lifter driven shaft penetrate through and extend out of the left end of the shell, and a lifter driving wheel on the left lifter driving shaft is in transmission connection with a lifter driving wheel arranged on the upper cutting table through a chain; the right lifter and the left lifter have the same structure;

the lower cutting table comprises a cutting table shell, and straw cutting scissors, a feeding roller, a lower cutting table auger and a swinging box which are arranged on the cutting table shell, wherein the straw cutting scissors, the feeding roller and the lower cutting table auger are sequentially arranged front and back, a lower auger input wheel and a lower auger input shaft I are arranged at the left end of the lower cutting table auger, and the lower auger input wheel is in transmission connection with a cutting table power shaft; the left end of the feeding roller is provided with a feeding roller input wheel and a feeding roller input shaft, and the feeding roller input wheel is in transmission connection with a cutting table power shaft;

the cutting table is characterized in that the cutting table power shaft is in transmission connection with the engine, a cutting table driving wheel is arranged on the cutting table power shaft and connected with an upper cutting table lower driving wheel through a chain, and the upper cutting table lower driving wheel is connected with an upper cutting table upper driving wheel through a chain.

Further, the left seedling pulling unit comprises a supporting plate, a duplex seedling pulling box, a seedling pulling chain and a seedling pulling chain driving wheel, wherein the supporting plate and the duplex seedling pulling box are arranged at the front end of the shell up and down, and the seedling pulling chain is arranged on the supporting plate; the duplex reel comprises two input shafts and two output shafts, the two output shafts are perpendicular to the input shafts, a reel chain driving wheel is arranged after the two output shafts penetrate through the supporting plate, and the reel chain driving wheel provides power for rotation of the reel chain.

Further, the driven shaft of the left lifter is positioned at the outer side of the shell and is provided with a power transmission sprocket, 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.

Further, the upper header lower driving wheel is connected with the upper header first shaft in a transmission way through a chain and the upper header upper driving wheel, a transmission gear is arranged on the upper header first shaft, a receiving gear is arranged on the upper header second shaft, and the transmission gear is meshed with the receiving gear.

Further, the right ear picking mechanism comprises a right ear picking unit, a middle right ear picking unit and a right straw pulling unit, and the right ear picking unit and the middle right ear picking unit are respectively arranged at the left side and the right side of the right lifter.

Further, the left ear picking unit comprises a left ear picking box, and the left ear picking box provides power for the left ear picking unit; the middle-left ear picking unit comprises a middle-left ear picking box which provides power for the middle-left ear picking unit; the right ear picking unit comprises a right ear picking box which provides power for the right ear picking unit; the middle and right ear picking units comprise middle and right ear picking boxes which provide power for the middle and right ear picking units.

Further, a ear picking box driving wheel and a lifter driving wheel are further arranged on the two shafts of the upper cutting table, the ear picking box driving wheel is in transmission connection with a left power shaft of the ear picking box through a chain and an ear picking box power receiving wheel, a left ear picking box input chain wheel and a middle left ear picking box input chain wheel are respectively arranged at the left end and the right end of the left power shaft of the ear picking box, the left ear picking box input chain wheel drives the left ear picking box through the chain, and the middle left ear picking box input chain wheel drives the middle left ear picking box through the chain; the right end of the left power shaft of the ear picking box is coaxially provided with a right power shaft of the ear picking box, the right end of the left power shaft of the ear picking box is connected with the left end of the right power shaft of the ear picking box through a coupler, the left end and the right end of the right power shaft of the ear picking box are respectively provided with a right ear picking box input chain wheel and a middle right ear picking box input chain wheel, the right ear picking box input chain wheel drives the right ear picking box through a chain, and the middle right ear picking box input chain wheel drives the middle right ear picking box through a chain.

Further, the lifter driving wheel is connected with the left lifter driving shaft through a chain and a lifter driving wheel in a transmission mode, the right end of the left lifter driving shaft penetrates through the right end of the extending shell, and the right end of the left lifter driving shaft is connected with the right lifter driving shaft of the right lifter through a coupling assembly.

Further, a swinging box input wheel is arranged on the swinging box and is in transmission connection with a cutting table power shaft through a transmission belt; the swinging box is in transmission connection with the straw cutting scissors.

Further, a swing box driving belt pulley, a lower cutting table auger driving wheel and a cutting table driving wheel are sequentially arranged on the cutting table power shaft from left to right, the cutting table driving wheel is connected with the upper cutting table lower driving wheel through chain transmission, and the swing box driving belt pulley is connected with the swing box through a belt and a swing box input wheel in a transmission manner; the lower cutting table auger driving wheel is connected with the lower cutting table auger through a chain and a lower auger input wheel in a transmission manner; the upper driving wheel of the upper cutting table is connected with the upper cutting table auger mechanism through a chain and an upper auger input wheel in a transmission way; the right side of the cutting table power shaft is provided with a feeding driving gear, the right side of the lower cutting table triaxial is provided with a feeding driven gear, the feeding driving gear is meshed with the feeding driven gear, the left end of the lower cutting table triaxial is provided with a feeding roller driving sprocket, and the feeding roller driving sprocket is connected with a feeding roller input wheel through a chain and a cone pulley in a transmission manner.

Further, the cone pulley is an integrated structure formed by a large pulley and a small pulley, the driving sprocket of the feeding roller is connected with the large pulley through chain transmission, and the small pulley is connected with the input pulley of the feeding roller through chain transmission.

The innovation point of the utility model is that: 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 and a driving wheel of the cutting table, power is respectively transmitted to the swing box, the lower cutting table auger and the lower driving wheel of the upper cutting table, the upper cutting table upper driving wheel is arranged on the upper cutting table first shaft, and the upper cutting table first shaft and the upper cutting table second shaft are meshed with the receiving gear through the driving gear to transmit power. The right end of the two shafts of the upper header is provided with a lifter driving wheel which transmits power to a lifter driving wheel on a left lifter driving shaft through a chain. The left end of the two shafts of the upper header is provided with a ear picking box driving wheel which transmits power with the ear picking box power receiving wheel through a chain. The ear picking mechanism further transmits power to the feeding roller, the power transmission stage number is low, the energy loss is small, the structure is simple, and the product reliability is high.

The reel chain, the ear picking pair roller, the lifter (chain plate type lifter) and the upper header auger mechanism are independently arranged, are independently driven, are further lifted in speed, and can be reasonably matched. The gear box drives the independent reel chain and the ear picking pair roller to pull out the reel and pick the ear, so that the reel pulling speed and the ear picking speed can be independently improved, and the reel pulling and ear picking efficiency is improved. And the independent chain plate type 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 mechanism can be independently regulated, 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, the harvesting efficiency of corn is improved, and the power of the transmission structure is taken from the fact that one shaft of the upper header is not in power connection with the lower header, so that the height regulation of the upper header is not influenced.

The beneficial effects of the utility model are as follows: the lifting speed of the clusters is improved, the clusters are effectively prevented from being accumulated, and the clusters are not missed.

Drawings

FIG. 1 is a schematic view of the overall structure of a header according to the present utility model;

FIG. 2 is a partial schematic view of a lower header of the present utility model;

FIG. 3 is a schematic view of the installation of the right and left lifters of the present utility model;

FIG. 4 is a schematic view of an upper header of the present utility model;

FIG. 5 is a schematic diagram of the upper header drive of the present utility model;

FIG. 6 is a schematic view of the ear picking mechanism of the present utility model;

FIG. 7 is a schematic diagram of the left lifter and duplex reel installation of the present utility model;

FIG. 8 is a schematic diagram of the left riser and left reel unit installation of the present utility model;

FIG. 9 is a schematic view of the lower header structure of the present utility model;

FIG. 10 is a side view of the lower header of the present utility model;

in the figure: an upper header 1 and a lower header 2;

an upper header auger mechanism 11, a right lifter 12, a left lifter 13, a right ear picking unit 14, a middle and right ear picking unit 15, a middle and left ear picking unit 16, a left stalk pulling unit 17, a left ear picking unit 18 and a right stalk pulling unit 19;

the lower header auger 21, the feeding roller 22, the straw cutting mechanism 23, the swinging box 24 and the header shell 25;

an upper header lower drive wheel 101, an upper header upper drive wheel 102, an upper header first shaft 103, an upper header second shaft 104, a transmission gear 105, a receiving gear 106, a head box drive wheel 107, a head box power receiving wheel 108, a left head box input sprocket 109A, a middle left head box input sprocket 109B, a head box left power shaft 110, a coupling 111, a head box right power shaft 112, a lifter drive wheel 113, a coupling assembly 114, an upper auger input wheel 115, a right head box input sprocket 116A, a middle right head box input sprocket 116B, a lifter drive wheel 131, a housing 132, a transmission chain 133, a left lifter drive shaft 134, a power transmission sprocket 135, a left lifter driven shaft 136, a transmission sprocket 138, a left head box 141A, a middle left head box 141B, a right head box 142A, a middle right head box 142B, a low head roller 144, a high head roller 145, a support plate 171, a reel 172, a double reel 175, a reel transmission shaft 181, a reel shaft 183, a reel 184;

a reel chain drive 1751, an input shaft 1752, a power receiving sprocket 1753, and an output shaft 1754;

header power shaft 201, lower header triaxial 202, feed driving gear 203, feed driven gear 204, header drive wheel 205, lower header auger drive wheel 211, lower auger input wheel 212, lower auger input shaft one 213, feed roller drive sprocket 221, cone pulley 222, feed roller input wheel 223, feed roller input shaft 224, swing case drive pulley 241, swing case input wheel 242.

Detailed Description

The utility model is further illustrated by way of example with reference to the accompanying drawings.

Referring to fig. 1-9, a header of a corn harvester for harvesting both stems and ears comprises an upper header 1 and a lower header 2;

the upper header 1 comprises an upper header auger mechanism 11, a right lifter 12, a left lifter 13, a left ear picking mechanism and a right ear picking mechanism which are arranged in front of the upper header auger mechanism 11, wherein top outlets of the right lifter 12 and the left lifter 13 are connected with the upper header auger mechanism 11, an upper auger input wheel 115 is arranged at the left end of the upper header auger mechanism 11, and the upper auger input wheel 115 is connected with an upper header upper driving wheel 102 through a chain in a transmission manner;

the left ear picking mechanism comprises a left ear picking unit 18, a middle left ear picking unit 16 and a left reel unit 17, wherein the left ear picking unit 18 and the middle left ear picking unit 16 are respectively arranged at the left side and the right side of the left lifter 13; the left ear picking unit 18 comprises a left ear picking box 141A, a high ear picking roller 145, a low ear picking roller 144, a reel box transmission shaft 181, a reel box 183, a left reel chain 182 and a reel box transmission shaft 181, wherein the high ear picking roller 145, the low ear picking roller 144 and the reel box transmission shaft 181 are arranged at the front end of the left ear picking box 141A and are in transmission connection with the left ear picking box 141A, the reel box transmission shaft 184 is arranged on the main body frame, the left reel chain 182 is arranged on the reel box transmission shaft 184, and the left ear picking box 141A is in transmission connection with the reel box 183 through the reel box transmission shaft 181; the right ear picking mechanism is the same as the left ear picking mechanism, and the right ear picking mechanism and the left ear picking mechanism are symmetrically arranged;

the left lifter 13 is a chain-plate lifter, and comprises a shell 132, a left lifter driving shaft 134, a left lifter driven shaft 136 and a conveying chain 133, wherein a plurality of conveying chain wheels 138 are arranged on the inner side of the shell 132, the conveying chain 133 surrounds the corresponding conveying chain wheels 138 of the left lifter driving shaft 134 and the left lifter driven shaft 136, the left lifter driving shaft 134 and the left lifter driven shaft 136 penetrate through and extend out of the left end of the shell 132, and a lifter driving wheel 131 on the left lifter driving shaft 134 is in transmission connection with a lifter driving wheel 113 arranged on the upper header two shaft 104 through a chain; the right lifter 12 and the left lifter 13 have the same structure;

the lower header 2 comprises a header shell 25, and a straw cutting scissors 23, a feeding roller 22, a lower header auger 21 and a swinging box 24 which are arranged on the header shell 25, wherein the straw cutting scissors 23, the feeding roller 22 and the lower header auger 21 are sequentially arranged front and back, the left end of the lower header auger 21 is provided with a lower auger input wheel 212 and a lower auger input shaft 213, and the lower auger input wheel 212 is in transmission connection with a header power shaft 201; a feeding roller input wheel 223 and a feeding roller input shaft 224 are arranged at the left end of the feeding roller 22, and the feeding roller input wheel 223 is in transmission connection with the header power shaft 201;

the cutting table power shaft 201 is in transmission connection with the engine, the cutting table power shaft 201 is provided with a cutting table driving wheel 205, the cutting table driving wheel 205 is connected with the upper cutting table lower driving wheel 101 through a chain, and the upper cutting table lower driving wheel 101 is in transmission connection with the upper cutting table upper driving wheel 102 through a chain.

In this example, referring to fig. 1-2, a header of a corn harvester with both ears and stems comprises an upper header 1 and a lower header 2 which are arranged up and down. The header power shaft 201 is in transmission connection with the engine through each stage, the header driving wheel 205 is arranged at the left end of the header power shaft 201, and power is transmitted to the upper header lower driving wheel 101 through a chain, so that the power is transmitted to the upper header 1.

As shown in fig. 1, 3 and 4, the upper header 1 comprises an upper header auger mechanism 11, a right lifter 12, a left lifter 13, a left ear picking mechanism 18, a right ear picking mechanism 14, a left reel unit 17, a middle left ear picking mechanism 16 and a middle right ear picking mechanism 15 which are arranged in front of the upper header auger 11, top outlets of the left lifter 12 and the right lifter 13 are connected with the upper header auger mechanism 11, the upper header auger mechanism 11 further conveys the fruit ears to a grain conveyer, an upper auger input wheel 115 is arranged at the left end of the upper header auger mechanism 11, the upper auger input wheel 115 is connected with an upper header upper driving wheel 102 through a chain transmission, an upper header power receiving wheel 102 is an integral tower wheel, and an outer wheel receives power and an inner wheel transmits power to the upper auger mechanism 11.

As shown in fig. 3, 4, 5 and 7, the left lifter 13 is a chain-plate lifter, and includes a housing 132, a left lifter driving shaft 134, a left lifter driven shaft 136 and a conveying chain 133, wherein a plurality of conveying sprockets 138 are disposed on the left lifter driving shaft 134 and the left lifter driven shaft 136 and located on the inner side of the housing 132, the conveying chain 133 surrounds the conveying sprockets 138 corresponding to the left lifter driving shaft 134 and the left lifter driven shaft 136, the left lifter driving shaft 134 and the left lifter driven shaft 136 extend through the left end of the housing 132, and a lifter driving wheel 131 on the left lifter driving shaft 134 is connected with a lifter driving wheel 113 mounted on the upper header two shaft 104 through chain transmission.

As shown in fig. 4 and 6, the left ear picking mechanism comprises a left ear picking unit 18, a middle left ear picking unit 16 and a left reel unit 17, and the left ear picking unit 18 comprises a left ear picking box 141A, a high ear picking roller 145, a low ear picking roller 144, a reel box transmission shaft 181, a reel box 183, a left reel chain 182 and a reel bracket 184. The high snapping roll 145, the low snapping roll 144 and the reel transmission shaft 181 are arranged at the front end of the left snapping box 141A and are in transmission connection with the left snapping box 141A, the reel bracket 184 is arranged on the main body frame, the left reel chain 182 is arranged on the reel bracket 184, the left snapping box 141A is in transmission connection with the reel 183 through the reel transmission shaft 181, and the reel 183 provides power for the rotation of the left reel chain 182. The left ear picking unit 18 and the middle left ear picking unit 16 are provided on the left and right sides of the left lifter 13, respectively.

As shown in fig. 6, 7 and 8, the left reel unit 17 comprises a support plate 171, a duplex reel 175, a reel chain 172 and a reel chain driving wheel 1751, wherein the support plate 171 and the duplex reel 175 are arranged at the front end of the shell 132 up and down, and the reel chain 172 is arranged on the support plate 171;

the dual reel 175 comprises an input shaft 1752 and two output shafts 1754, wherein the two output shafts 1754 are perpendicular to the input shaft 1752, and a reel chain driving wheel 1751 is installed after the two output shafts 1754 penetrate through the supporting plate 171, and the reel chain driving wheel 1751 provides power for rotation of the reel chain 172.

As shown in fig. 7, the input shaft 1752 is drivingly connected to the left riser driven shaft 136. The left lifter driven shaft 136 is located outside the housing 132 and is provided with a power transmitting sprocket 135, the input shaft 1752 is provided with a power receiving sprocket 1753, and the power transmitting sprocket 135 is in chain drive connection with the power receiving sprocket 1753.

As shown in fig. 4, the right ear picking mechanism comprises a right ear picking unit 14, a middle right ear picking unit 15 and a right stalk pulling unit 19, the right ear picking unit 14 comprises a right ear picking box 142A, a high ear picking roller, a low ear picking roller, a stalk pulling box transmission shaft, a stalk pulling box, a right stalk pulling chain and the like, the right ear picking mechanism is symmetrically arranged with the left ear picking mechanism, the structure and the connection mode of the right ear picking mechanism are the same as those of the left ear picking mechanism, and the right ear picking unit 14 and the middle right ear picking unit 15 are respectively arranged at the left side and the right side of the right lifter 12.

The left ear picking unit comprises a left ear picking box, and the left ear picking box provides power for the left ear picking unit; the middle-left ear picking unit comprises a middle-left ear picking box which provides power for the middle-left ear picking unit; the right ear picking unit comprises a right ear picking box which provides power for the right ear picking unit; the middle and right ear picking units comprise middle and right ear picking boxes which provide power for the middle and right ear picking units.

The left ear picking unit, the middle left ear picking unit, the right ear picking unit and the middle right ear picking unit are similar in structure and are used for picking ears.

As shown in fig. 5, the upper header lower driving wheel 101 is in transmission connection with an upper header shaft 103 through a chain and an upper header upper driving wheel 102; the upper header first shaft 103 is provided with a transmission gear 105, the upper header second shaft 104 is provided with a receiving gear 106, and the transmission gear 105 is meshed with the receiving gear 106 to transmit power to the upper header second shaft 104. The upper header two shafts 104 are also provided with a ear picking box driving wheel 107 and a lifter driving wheel 113.

The ear picking box driving wheel 107 is arranged at the left side of the upper header two shaft 104, the ear picking box driving wheel 107 is in driving connection with the ear picking box left power shaft 110 through a chain and an ear picking box power receiving wheel 108, the left end and the right end of the ear picking box left power shaft 110 are respectively provided with a left ear picking box input chain wheel 109A and a middle left ear picking box input chain wheel 109B, and the left ear picking box input chain wheel 109A drives the left ear picking box 141A to work through the chain so as to provide power for the left ear picking unit 18; the middle left ear picking box input sprocket 109B drives the middle left ear picking box 141B through a chain to power the middle left ear picking unit 16;

the right end of the left power shaft 110 of the ear picking box is coaxially provided with a right power shaft 112 of the ear picking box, and the right end of the left power shaft 110 of the ear picking box is connected with the left end of the right power shaft 112 of the ear picking box through a coupler 111, so that the right power shaft 112 of the ear picking box is driven to synchronously rotate; the right ear picking box input chain wheel 116A and the middle right ear picking box input chain wheel 116B are respectively arranged at the left end and the right end of the ear picking box right power shaft 112, and the right ear picking box input chain wheel 116A drives the right ear picking box 142A to work through a chain so as to provide power for the right ear picking unit 14; the middle and right ear picking box input sprocket 116B drives the middle and right ear picking boxes 142B through a chain to power the middle and right ear picking units 15.

The lifter driving wheel 113 is in driving connection with the left lifter driving shaft 134 through a chain and a lifter driving wheel 131, so as to provide power for the left lifter 13; the right end of the left lifter driving shaft 134 extends through the right end of the housing 132, and the right end of the left lifter driving shaft 134 is connected with the right lifter driving shaft of the right lifter 12 through the coupling assembly 114, so as to drive the right lifter driving shaft to synchronously rotate, and provide power for the right lifter 12.

As shown in fig. 9 and 10, the lower header 2 is a straw harvesting header and comprises a header shell 25, and straw cutting scissors 23, a feeding roller 22, a lower header auger 21 and a swinging box 24 which are arranged on the header shell, wherein the straw cutting scissors 23, the feeding roller 22 and the lower header auger 21 are arranged in sequence; the left end of the lower header auger 21 is provided with a lower auger input wheel 212 and a lower auger input shaft I213, and the lower auger input wheel 212 is in transmission connection with the header power shaft 201; the left end of the feeding roller 22 is provided with a feeding roller input wheel 223 and a feeding roller input shaft 224, and the feeding roller input wheel 223 is in transmission connection with the header power shaft 201.

The swing box 24 is provided with a swing box input wheel 242, and the swing box input wheel 242 is in transmission connection with the header power shaft 201 through a transmission belt; the swinging box 24 is in transmission connection with the straw cutting scissors 23, and the swinging box 24 drives the straw cutting scissors 23 to reciprocate, so that corn stalks are cut off from the bottom.

As shown in fig. 1 and 10, the header power shaft 201 is provided with a swing case driving pulley 241, a lower header auger driving pulley 211 and a header driving pulley 205 in this order from left to right. The header driving wheel 205 is connected with the upper header lower driving wheel 206 through chain transmission, the upper header lower driving wheel 101 is connected with the upper header upper driving wheel 102 through chain transmission, and the swing box driving belt wheel 241 is connected with the swing box 24 through belt and the swing box input wheel 242 in a transmission way, so as to provide power for the swing box 24; the lower header auger driving wheel 211 is in transmission connection with the lower header auger 21 through a chain and a lower auger input wheel 212, so as to provide power for the lower header auger 21; the upper header upper drive wheel 102 is in transmission connection with the upper header auger mechanism 11 through a chain and an upper auger input wheel 115, thereby providing power for the upper header auger mechanism 11.

As shown in fig. 10, a feeding driving gear 203 is arranged on the right side of a cutting table power shaft 201, a feeding driven gear 204 is arranged on the right side of a lower cutting table triaxial 202, and the feeding driving gear 203 is meshed with the feeding driven gear 204 to transmit power to the lower cutting table triaxial 202. The left end of the lower header triaxial 202 is provided with a feeding roller driving sprocket 221, and the feeding roller driving sprocket 221 is in transmission connection with a feeding roller input wheel 223 through a chain and a cone pulley 222, so as to drive the feeding roller 24 to work.

Wherein: the cone pulley 222 is a large pulley and a small pulley which are integrally formed, the feeding roller driving sprocket 221 is connected with the large pulley through a chain transmission, and the small pulley is connected with the feeding roller input pulley 223 through a chain transmission.

The working principle of the utility model is as follows:

the upper header 1, the reel chain is used for conveying corn stalks into the low snapping roll 144 and the high snapping roll 145 of the snapping pair; the corn ears are picked off by the low picking roller 144 and the high picking roller 145 in the ear picking unit, the picked ears fall into the left lifter 13 and the right lifter 12, then the ears are conveyed into the upper header auger mechanism 11, and finally the ears enter the next procedure of the corn harvester through the upper header auger mechanism 11.

The lower header 2 controls the straw cutting scissors 23 to reciprocate through the swinging box 24 to cut off the root of the straw, the cut straw reaches the lower header auger 21 under the conveying of the feeding roller, and then the cut straw is conveyed to the next working procedure by the lower header auger 21.

Claims (10)

1. The utility model provides a stem ear concurrently receive maize picker header which characterized in that: comprises an upper header (1) and a lower header (2);

the upper header (1) comprises an upper header auger mechanism (11), and a right lifter (12), a left lifter (13), a left ear picking mechanism and a right ear picking mechanism which are arranged in front of the upper header auger mechanism (11); the top outlets of the right lifter (12) and the left lifter (13) are connected with an upper header auger mechanism (11), an upper auger input wheel (115) is arranged at the left end of the upper header auger mechanism (11), and the upper auger input wheel (115) is in transmission connection with an upper header upper driving wheel (102) through a chain;

the left ear picking mechanism comprises a left ear picking unit (18), a middle left ear picking unit (16) and a left reel unit (17), wherein the left ear picking unit (18) and the middle left ear picking unit (16) are respectively arranged at the left side and the right side of the left lifter (13); the left ear picking unit (18) comprises a left ear picking box (141A), a high ear picking roller (145), a low ear picking roller (144), a reel box transmission shaft (181), a reel box (183), a left reel chain (182) and a reel bracket (184), wherein the high ear picking roller (145), the low ear picking roller (144) and the reel box transmission shaft (181) are arranged at the front end of the left ear picking box (141A) and are in transmission connection with the left ear picking box (141A), the reel bracket (184) is arranged on the main body frame, the left reel chain (182) is arranged on the reel bracket (184), the left ear picking box (141A) is in transmission connection with the reel box (183) through the reel box transmission shaft (181), and the reel box (183) provides power for the rotation of the left reel chain (182); the right ear picking mechanism is the same as the left ear picking mechanism, and the right ear picking mechanism and the left ear picking mechanism are symmetrically arranged;

the left lifter (13) is a chain plate lifter and comprises a shell (132), a left lifter driving shaft (134), a left lifter driven shaft (136) and a conveying chain (133), wherein a plurality of conveying chain wheels (138) are arranged on the inner side of the shell (132), the conveying chain (133) surrounds the conveying chain wheels (138) corresponding to the left lifter driving shaft (134) and the left lifter driven shaft (136), the left lifter driving shaft (134) and the left lifter driven shaft (136) penetrate through and extend out of the left end of the shell (132), and a lifter driving wheel (131) on the left lifter driving shaft (134) is connected with a lifter driving wheel (113) arranged on the upper cutting table two shaft (104) through chain transmission; the right lifter (12) and the left lifter (13) have the same structure;

the lower cutting table (2) comprises a cutting table shell (25), and straw cutting scissors (23), a feeding roller (22), a lower cutting table auger (21) and a swinging box (24) which are arranged on the cutting table shell (25), wherein the straw cutting scissors (23), the feeding roller (22) and the lower cutting table auger (21) are sequentially arranged front and back, a lower auger input wheel (212) and a lower auger input shaft I (213) are arranged at the left end of the lower cutting table auger (21), and the lower auger input wheel (212) is in transmission connection with a cutting table power shaft (201); a feeding roller input wheel (223) and a feeding roller input shaft (224) are arranged at the left end of the feeding roller (22), and the feeding roller input wheel (223) is in transmission connection with a header power shaft (201);

the cutting table is characterized in that the cutting table power shaft (201) is in transmission connection with the engine, the cutting table driving wheel (205) is arranged on the cutting table power shaft (201), the cutting table driving wheel (205) is connected with the upper cutting table lower driving wheel (101) through a chain, and the upper cutting table lower driving wheel (101) is in transmission connection with the upper cutting table upper driving wheel (102) through a chain.

2. The header of a stalk/spike harvesting corn harvester of claim 1, wherein: the left seedling pulling unit (17) comprises a supporting plate (171), a duplex seedling pulling box (175), a seedling pulling chain (172) and a seedling pulling chain driving wheel (1751), wherein the supporting plate (171) and the duplex seedling pulling box (175) are arranged at the front end of the shell (132) up and down, and the seedling pulling chain (172) is arranged on the supporting plate (171); the duplex straw pulling box (175) comprises an input shaft (1752) and an output shaft (1754), the output shaft (1754) is two and perpendicular to the input shaft (1752), the straw pulling chain driving wheels (1751) are arranged after the two output shafts (1754) penetrate through the supporting plate (171), and the straw pulling chain driving wheels (1751) provide power for rotation of the straw pulling chains (172).

3. The header of a stalk/spike harvesting corn harvester of claim 2, wherein: the left lifter driven shaft (136) is located outside the shell (132) and is provided with a power transmission sprocket (135), the input shaft (1752) is provided with a power receiving sprocket (1753), and the power transmission sprocket (135) is connected with the power receiving sprocket (1753) through chain transmission.

4. The header of a stalk/spike harvesting corn harvester of claim 1, wherein: the upper header lower driving wheel (101) is connected with an upper header first shaft (103) through a chain and an upper header upper driving wheel (102) in a transmission way, a transmission gear (105) is arranged on the upper header first shaft (103), a receiving gear (106) is arranged on an upper header second shaft (104), and the transmission gear (105) is meshed with the receiving gear (106).

5. The header of a stalk/spike harvesting corn harvester of claim 4, wherein: the upper header two shafts (104) are also provided with a corn cob picking box driving wheel (107), the corn cob picking box driving wheel (107) is in driving connection with a corn cob picking box left power shaft (110) through a chain and a corn cob picking box power receiving wheel (108), left and right ends of the corn cob picking box left power shaft (110) are respectively provided with a left corn cob picking box input chain wheel (109A) and a middle left corn cob picking box input chain wheel (109B), the left corn cob picking box input chain wheel (109A) drives a left corn cob picking box (141A) through the chain, and the middle left corn cob picking box input chain wheel (109B) drives a middle left corn cob picking box (141B) through the chain; the right end of the left power shaft (110) of the ear picking box is coaxially provided with a right power shaft (112) of the ear picking box, the right end of the left power shaft (110) of the ear picking box is connected with the left end of the right power shaft (112) of the ear picking box through a coupler (111), the left end and the right end of the right power shaft (112) of the ear picking box are respectively provided with a right ear picking box input chain wheel (116A) and a middle right ear picking box input chain wheel (116B), the right ear picking box input chain wheel (116A) drives the right ear picking box (142A) through a chain, and the middle right ear picking box input chain wheel (116B) drives the middle right ear picking box (142B) through a chain.

6. A header for a corn harvester with both ears as in claim 1 or 5, characterized in that: the lifter driving wheel (113) is in transmission connection with the left lifter driving shaft (134) through a chain and the lifter driving wheel (131), the right end of the left lifter driving shaft (134) penetrates through the right end of the extending shell (132), and the right end of the left lifter driving shaft (134) is connected with the right lifter driving shaft of the right lifter (12) through the coupling assembly (114).

7. The header of a stalk/spike harvesting corn harvester of claim 1, wherein: the swing box (24) is provided with a swing box input wheel (242), and the swing box input wheel (242) is in transmission connection with the header power shaft (201) through a transmission belt; the swinging box (24) is connected with the straw cutting scissors (23) in a transmission way.

8. The header of a stalk/spike harvesting corn harvester of claim 1, wherein: the right ear picking mechanism comprises a right ear picking unit (14), a middle right ear picking unit (15) and a right reel unit (19), wherein the right ear picking unit (14) and the middle right ear picking unit (15) are respectively arranged at the left side and the right side of the right lifter (12).

9. The header of a stalk/spike harvesting corn harvester of claim 7, wherein: the cutting table power shaft (201) is sequentially provided with a swing box driving belt pulley (241), a lower cutting table auger driving wheel (211) and a cutting table driving wheel (205) from left to right, the cutting table driving wheel (205) is connected with an upper cutting table lower driving wheel (101) through chain transmission, and the swing box driving belt pulley (241) is connected with a swing box (24) through a belt and a swing box input wheel (242) in a transmission manner; the lower cutting table auger driving wheel (211) is in transmission connection with the lower cutting table auger (21) through a chain and a lower auger input wheel (212); the upper driving wheel (102) of the upper cutting table is in transmission connection with the auger mechanism (11) of the upper cutting table through a chain and an upper auger input wheel (115); the right side of the cutting table power shaft (201) is provided with a feeding driving gear (203), the right side of the lower cutting table triaxial (202) is provided with a feeding driven gear (204), the feeding driving gear (203) is meshed with the feeding driven gear (204), the left end of the lower cutting table triaxial (202) is provided with a feeding roller driving sprocket (221), and the feeding roller driving sprocket (221) is connected with a feeding roller input wheel (223) through a chain and a cone pulley (222) in a transmission manner.

10. The corn harvester header of claim 9, wherein: the cone pulley (222) is an integrated structure formed by a large pulley and a small pulley, the feeding roller driving sprocket (221) is connected with the large pulley through chain transmission, and the small pulley is connected with the feeding roller input pulley (223) through chain transmission.