CN113994815A - Header of corn harvester capable of harvesting stems and ears - Google Patents
Header of corn harvester capable of harvesting stems and ears Download PDFInfo
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- CN113994815A CN113994815A CN202111260687.9A CN202111260687A CN113994815A CN 113994815 A CN113994815 A CN 113994815A CN 202111260687 A CN202111260687 A CN 202111260687A CN 113994815 A CN113994815 A CN 113994815A
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- header
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D47/00—Headers for topping of plants, e.g. stalks with ears
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/02—Harvesting of standing crops of maize, i.e. kernel harvesting
- A01D45/021—Cornheaders
- A01D45/025—Snapping rolls
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D57/00—Delivering mechanisms for harvesters or mowers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/06—Gearings
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvesting Machines For Specific Crops (AREA)
Abstract
The invention discloses a header of a corn harvester with a stem and ear harvesting function, which comprises a fruit ear harvesting header, a straw harvesting header and a header power shaft, wherein the header power shaft is in transmission connection with an engine; the cluster harvesting header comprises an upper header auger, a small elevator and a cluster picking mechanism which are arranged in front of the upper header auger, and the small elevator and the cluster 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 header power shaft is sequentially provided with a swing box driving belt pulley, a lower header auger driving wheel, an upper header auger driving wheel and a driving gear, the power is transmitted to the swing box, the lower header auger, the upper header auger and a header upper driving shaft respectively, the header upper driving shaft is also provided with a gearbox driving wheel and a small elevator driving wheel, the power is transmitted to the ear picking mechanism and the small elevator respectively, 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
Technical Field
The invention relates to the field of corn harvesters, in particular to a header of a stem and ear harvesting type corn harvester.
Background
A header of a stem and ear harvesting type corn harvester comprises a fruit ear harvesting header and a straw harvesting header, wherein the fruit ear harvesting header comprises a picking mechanism and an auger, the picking mechanism picks the fruit ears, and the fruit ears are transported to a grain transporter of the corn harvester through the auger; the straw harvesting header comprises a swinging knife and a packing auger, wherein the swinging knife cuts off straws from the root part and conveys the straws to the straw crushing mechanism through the packing auger.
Zl201420562973.x discloses a corn harvester header, which is used for picking ears by pulling a corn stalk to a picking roller through a grain pulling chain arranged on the left and right, and the picked ears are lifted to a large elevator for subsequent treatment through the grain pulling chain. Firstly, the structure adopting a group of grain pulling chains for grain pulling and ear conveying has the same grain pulling and ear conveying speed, and cannot be independently adjusted, so that on one hand, the ear lifting speed cannot be further increased, the lifting speed is slower, and the efficiency is low; on the other hand, when the densities of the corn stalks are different, the grain pulling speed cannot be effectively matched with the conveying speed of the corn ears, the corn ears cannot be quickly lifted to a large lifting conveyor, the corn ears are easily stacked, and equipment is caused to break down.
In addition, the header of the existing stem and ear harvesting type corn harvester generally adopts a header main input shaft to transmit power to the ear picking mechanism, the upper header auger, the swinging knife, the lower header auger and the like in sequence through multi-stage transmission, 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 invention adopts the following technical scheme:
a header of a corn harvester with a stem and ear harvesting function comprises a fruit ear harvesting header, a straw harvesting header and a header power shaft, wherein the header power shaft is in transmission connection with an engine;
the fruit ear harvesting header comprises an upper header auger and 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 the 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 an upper driving shaft of the header;
the straw harvesting header comprises a straw cutting mechanism, a feeding roller and a lower header auger which are sequentially connected from front to back; the straw cutting mechanism comprises a swing box, a fixed cutting knife and a movable cutting knife, and the swing box is in transmission connection with the movable cutting knife; 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 cutting table driving wheel is connected with a cutting table lower driving shaft through chain transmission, a swing 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 swing box driving belt pulley is in transmission connection with the swing box through a belt and a swing box input wheel; the driving wheel of the lower header auger is in transmission connection with the lower header auger through a chain and a lower auger input wheel; the driving wheel of the upper header auger is in transmission connection with the upper header auger through a chain and an input wheel of the upper auger;
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 header upper driving shaft.
Preferably, the small left elevator comprises a shell, a small left elevator driving shaft, a small left elevator driven shaft and a transmission chain, wherein a plurality of transmission chain wheels are arranged on the small left elevator driving shaft and the small left elevator driven shaft and on the inner side of the shell, the transmission chain surrounds the transmission chain wheels corresponding to the small left elevator driving shaft and the small left elevator driven shaft, and the small left elevator driving shaft and the small left elevator driven shaft extend out of the left end of the shell in a penetrating manner;
the left small elevator driving shaft is in transmission connection with the header upper driving shaft.
Preferably, the small right elevator and the small left elevator are identical in structure, are arranged in a mirror image mode with the center line of the ear harvesting header and comprise small right elevator driving shafts, and the small right elevator driving shafts are in transmission connection with the header upper driving shaft.
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 roller pair I, a left cardan shaft I, a left reversing box power output shaft, a reel chain driving wheel I and a reel chain, the left ear picking roller pair I and the left cardan shaft I are arranged at the front end of the left reversing box and are in transmission connection with the left reversing box, the left reversing box I is in transmission connection with the left cardan shaft, the left reversing box power output shaft is vertically arranged at the upper end of the left reversing box, and the left reversing box power output shaft is fixedly provided with the reel chain driving wheel I.
Preferably, the first left gearbox comprises a power input shaft of the left gearbox, a first ear picking roller output shaft and a cardan shaft output shaft, wherein the power input shaft of the left gearbox is in transmission connection with the driving shaft on the header, the first ear picking roller output shaft is connected with the first left ear picking roller, and the cardan shaft output shaft is connected with the first left cardan shaft.
Preferably, the left ear picking unit II is arranged in a mirror image mode with the left small elevator as a center and comprises a left gear box II, the left gear box II comprises a power input shaft of the left gear box II, and the left ear picking unit I and the left ear picking unit II are respectively arranged on the left side and the right side of the left small elevator;
and the secondary power input shaft of the left gearbox is in transmission connection with the driving shaft on the header.
Preferably, the left middle ear picking unit comprises a support plate, a reversing mechanism and a second reel chain driving wheel, the support plate is mounted at the front end of the shell, the reversing mechanism is mounted below the support plate and close to the front end of the shell, and the reel chain driving wheel is mounted above the support plate;
the reversing mechanism comprises an input shaft and two output shafts, the two output shafts are vertical to the input shaft, and the second reel chain driving wheel is fixedly arranged on the output shafts; the input shaft is in transmission connection with the driven shaft of the small left elevator.
Preferably, a power transmission chain wheel is arranged on the driven shaft of the small left elevator and positioned outside the shell, a power receiving chain wheel is arranged on the input shaft, and the power transmission chain wheel is in transmission connection with the power receiving chain wheel through a chain.
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 transmission wheel of a gearbox and a transmission wheel of a small elevator are further arranged on a driving shaft on the cutting table; the cutting machine comprises a header, a transmission wheel, a transmission shaft, a chain, a transmission power receiving wheel, a transmission case left power shaft, a left ear picking unit power input chain wheel, a right ear picking unit power receiving wheel, a left ear picking unit power input chain wheel, a right ear picking unit power input chain wheel, a left ear picking unit power receiving wheel, a right ear picking unit power receiving wheel, a transmission shaft and a transmission shaft.
Preferably, the right end of the left power shaft of the gearbox is coaxially provided with a 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 as to drive the right power shaft of the gearbox to synchronously rotate; the left end and the right end of a right power shaft of the gearbox are respectively provided with a right ear picking unit two power input chain wheel and a right ear picking unit one power input chain wheel.
Preferably, a power input chain wheel of the left ear picking unit is in transmission connection with a power input shaft of the left gearbox through a chain and a 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; and the power input chain wheel of the right ear picking unit is in transmission connection with a power input shaft of the right gearbox 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 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 also 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 wheel is in transmission connection with the large pulley through a chain, and the small pulley is in transmission connection with the feeding roller input wheel through a chain.
After the technical scheme is adopted, compared with the prior art, the invention has the following advantages:
the header power shaft is sequentially provided with a swing box driving belt pulley, a lower header auger driving wheel, an upper header auger driving wheel and a driving gear, the power is transmitted to the swing box, the lower header auger, the upper header auger and a header upper driving shaft respectively, the header upper driving shaft is also provided with a gearbox driving wheel and a small elevator driving wheel, the power is transmitted to the ear picking mechanism and the small elevator respectively, 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 grain pulling chain, the ear picking pair rollers, the small elevator and the upper header auger are independently arranged and independently driven, so that the speed is further increased, and the grain pulling chain, the ear picking pair rollers, the small elevator and the upper header auger can be reasonably matched. The gearbox drives the independent grain pulling chain and the ear picking roller pair to pull grain and pick ears, the grain pulling speed and the ear picking speed can be independently improved, and the grain pulling efficiency and the ear picking efficiency are improved. And moreover, the separate small elevator is adopted for elevating the clusters, the elevating speed of the clusters can be further improved, the elevating speed of the clusters is improved, the accumulation of the clusters is effectively prevented, and the omission of the clusters is avoided. And its rotational speed can be adjusted alone to the last header auger of independent setting to satisfy the demand that chain conveyor carried the ear fast, with a large amount of ears propelling movement to big lift fortune ware, improved the harvesting efficiency of maize.
Drawings
FIG. 1 is an overall view of the header of the present invention;
FIG. 2 is an overall structure view of the ear harvesting header of the present invention;
FIG. 3 is a block diagram of a small elevator of the present invention;
FIG. 4 is a structural view of a small elevator and an intermediate snapping unit of the present invention;
FIG. 5 is a structural view of the snapping mechanism of the present invention;
FIG. 6 is a structural diagram I of the left ear picking unit of the present invention;
FIG. 7 is a structural diagram II of the left ear-picking unit of the present invention;
FIG. 8 is a structural diagram of the left transmission of the present invention;
FIG. 9 is an overall view of the straw harvesting header of the present invention;
FIG. 10 is an overall drive diagram of the header of the present invention;
FIG. 11 is a first driving diagram of the straw harvesting header of the present invention;
FIG. 12 is a first view of the overall transmission of the ear harvesting header of the present invention;
FIG. 13 is a second view of the overall transmission of the ear harvesting header of the present invention;
FIG. 14 is a second straw harvesting header drive diagram of the present invention;
FIG. 15 is a schematic view of the cone pulley of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, according to an embodiment of the present invention, a header of a stalk-ear harvesting type corn harvester includes an ear harvesting header 1, a stalk 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 stalk harvesting header 2.
Further, as shown in fig. 2, the ear harvesting header 1 includes the upper header auger 10 and the small left elevator 11, the small right elevator 12, the left ear picking mechanism, the right ear picking mechanism that set up in the upper header auger 10 the place ahead, the top export of the small left elevator 11 and the small right elevator 12 communicates with the upper header auger 10, and the upper header auger 10 further transports the ear to the peeling mechanism, the left end of the upper header auger 10 is provided with the auger input wheel 101, the auger input wheel 101 with the header power shaft 30 is connected in a transmission manner.
Further, as shown in fig. 2 to 4, the small left elevator 11 is a chain plate type elevator, and includes a housing 111, a small left elevator driving shaft 112, a small left elevator driven shaft 113, and a transmission chain 114, the small left elevator driving shaft 112 and the small left elevator driven shaft 113 are located on the housing 111, the inner sides of the housing 111 are respectively provided with a plurality of transmission sprockets, the transmission chain 114 surrounds the transmission sprockets corresponding to the small left elevator driving shaft 112 and the small left elevator driven shaft 113, the small left elevator driving shaft 112 and the small left elevator driven shaft 113 both penetrate through and extend out of the left end of the housing 111, and the small left 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 comprises a left ear picking unit i 13, a left middle ear picking unit 14 and a left ear picking unit ii 15.
Further, as shown in fig. 5-7, the left ear picking unit one 13 includes a left gearbox one 131, a left ear picking pair roller one 132, a left cardan shaft one 133, a left reversing box one 134, a left reversing box one power output shaft 135, a reel chain driving wheel one 136 and a reel chain, the left ear picking pair roller one 132 and the left cardan shaft one 133 are arranged at the front end of the left reversing box one 134 and are in transmission connection with the left reversing box one 134, the left reversing box one 134 is in transmission connection with the left cardan shaft one 133, the left reversing box one power output shaft 135 is vertically arranged at the upper end of the left reversing box one, and the left reversing box one power output shaft 135 is fixedly provided with the reel chain driving wheel 136;
further, as shown in fig. 8, the left gearbox one 131 includes a left gearbox one power input shaft 1311, a pair of ear picking rollers output shaft 1312 and a cardan shaft output shaft 1313, wherein the left gearbox one power input shaft 1311 is in transmission connection with the header power shaft 30, the pair of ear picking rollers output shaft 1312 is connected with the left pair of ear picking rollers one 132, and the cardan shaft output shaft 1313 is connected with the left cardan shaft one 133.
Further, as shown in fig. 5, the left ear picking unit two 15 is symmetrically arranged with the left ear picking unit one 13 with the left small elevator 11 as the center, the left ear picking unit two 15 comprises a left gear box two 151, the left gear box two 151 comprises a left gear box two power input shaft 1511, and other structures and connection modes of the left ear picking unit two 15 are the same as those of the left ear picking unit one 13. The left ear picking unit I13 and the left ear picking unit II 15 are respectively arranged on the left side and the right side of the left small elevator 11.
Further, as shown in fig. 3-5, the left middle snapping unit 14 includes a supporting plate 141, a reversing mechanism 142 and a second reel chain driving wheel 143, the supporting plate 141 is mounted at the front end of the housing 111, the reversing mechanism 142 is mounted below the supporting plate 141 at a position close to the front end of the housing 111, and the second reel chain driving wheel 143 is mounted above the supporting plate 141;
the reversing mechanism 142 comprises an input shaft 1421 and an output shaft 1422, two output shafts 1422 are provided and are perpendicular to the input shaft 1421, and the second reel chain driving wheel 143 is fixedly mounted on the output shaft 1422.
Further, as shown in fig. 3, the input shaft 1421 is in transmission connection with the left small elevator driven shaft 113. Preferably, a power transmission chain wheel 115 is arranged on the driven shaft 113 of the small left elevator and outside the shell 111, the input shaft 1421 is provided with a power receiving chain wheel 1423, and the power transmission chain wheel 115 is in transmission connection with the power receiving chain wheel 1423 through a chain.
Further, as shown in fig. 5, the right ear picking mechanism comprises a right ear picking unit i 16, a right middle ear picking unit 17 and a right ear picking unit ii 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, a straw cutting mechanism, a feed roller 24 and a lower header auger 20, wherein the straw cutting mechanism, the feed roller 24 and the lower header auger 20 are arranged on the header shell and are sequentially connected in front and back; a lower auger input wheel 201 is arranged at the left end of the lower header auger 20, and a lower auger input chain wheel 201 is in transmission connection with the header power shaft 30; a feed roller input wheel 241 is arranged at the right end of the feed roller 24, and the feed roller input wheel 241 is in transmission connection with the header power shaft 30.
Further, the straw cutting mechanism comprises a swing box 21, a fixed cutter 22 and a movable cutter 23, wherein a swing box input wheel 211 is arranged on the swing box 21, and the swing box input wheel 211 is in transmission connection with the header power shaft 30 through a transmission belt; the swing box 21 is in transmission connection with the movable cutting knife 23, and the movable cutting knife 23 is driven by the swing box 21 to move back and forth relative to the fixed cutting knife 22, so that the corn stalks are cut off from the bottom.
Further, referring to fig. 2 and 10-12, a header transmission wheel 31 is arranged at the right end of the header power shaft 30, the header transmission 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 in transmission connection with the swing box 21 through a belt and a swing box input wheel 211 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 that power is provided for the lower header auger 20; and 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 that power is provided for the upper header auger.
Further, as shown in fig. 1 and 11, the driving gear 36 is meshed with a driven gear 37 arranged on the intermediate shaft 38, so as to drive the intermediate shaft 38 to rotate, an upper header transmission wheel 39 is further arranged at the left end of the intermediate shaft 38, and the upper header transmission wheel 39 is in transmission connection with a header upper driving shaft 41 through a chain and an upper header power receiving wheel 40; a gearbox transmission wheel 42 and a small elevator transmission wheel 43 are also arranged on the header upper driving shaft 41;
the gearbox transmission wheel 42 is arranged in the middle of a driving shaft 41 on the header, the gearbox transmission wheel 42 is in transmission connection with a gearbox left power shaft 45 through a chain and a gearbox power receiving wheel 44, a left ear picking unit one-power input chain wheel 46 and a left ear picking unit two-power input chain wheel 47 are respectively arranged at the left end and the right end of the gearbox left power shaft 45, and the left ear picking unit one-power input chain wheel 46 is in transmission connection with the left gearbox one-power input shaft 1311 through the chain and a left gearbox one-driving wheel 48, so that the left gearbox one 131 is driven to work, and power is provided for the left ear picking unit one 13; the second power input chain wheel 47 of the left ear picking unit is in transmission connection with the second power input shaft 1511 of the left gearbox through a chain and a second driving wheel of the left gearbox (not shown), so that the second left gearbox 151 is driven to work, and power is provided for the second left ear picking unit 15.
Further, a right power shaft 49 of the gearbox is coaxially arranged at the right end of the left power shaft 45 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 coupler 50, so that the right power shaft 49 of the gearbox is driven to synchronously rotate; a right ear picking unit two-power input chain wheel 51 and a right ear picking unit one-power input chain wheel 52 are respectively arranged at the left end and the right end of the transmission case right power shaft 49, and the right ear picking unit two-power input chain wheel 51 is in transmission connection with the right transmission case two-power input shaft 1811 through a chain and a right transmission case two driving wheel (not shown), so that the right transmission case two 181 is driven to work to provide power for the right ear picking unit two 18; the power input chain wheel 52 of the right ear picking unit is in transmission connection with the power input shaft 1611 of the right gearbox through a chain and a driving wheel (not shown) of the right gearbox, so that the right gearbox 161 is driven to work, and power is provided for the right ear picking unit 16.
Further, referring to fig. 13-15, the right end of the right gearbox-power input shaft 1611 is coaxially connected to a feed roller power transmission shaft 56 through a second coupling 55, the right end of the feed roller power transmission shaft 56 is further provided with a feed roller power transmission wheel 57, and the feed roller power transmission wheel 57 is in transmission connection with the feed roller input wheel 241 through a chain and a tower pulley 58, so as to drive the feed roller 24 to work.
Further, the cone pulley 58 comprises a large pulley 581 and a small pulley 582 which are integrally formed, the feeding roller power transmission wheel 57 is in transmission connection with the large pulley 581 through a chain, and the small pulley 582 is in transmission connection with the feeding roller input wheel 241 through a chain.
Further, as shown in fig. 13, the small elevator transmission wheel 43 is in transmission connection with the small left elevator driving shaft 112 through a chain and a small elevator driving wheel 53, so as to provide power for the small left elevator; the right end of the left small elevator driving shaft 112 penetrates through and extends out of the right end of the shell 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 that the right small elevator driving shaft 122 is driven to synchronously rotate, and power is provided for the right small elevator 12.
The working principle of the invention is as follows:
for the fruit ear harvesting header 1, a first reel chain driving wheel 136 is fixedly arranged on a power output shaft 135 of a left reversing box in a first left ear picking unit 13, and the first reel chain driving wheel 136 is driven to rotate by a power system, so that a reel chain on the first left ear picking unit 13 is driven to move; two output shafts 1422 in the middle left ear picking unit 14 are provided, and two reel chain driving wheels 143 are fixedly mounted on the two output shafts 1422, wherein the reel chain driving wheel two 143 on the left side drives the reel chain to move, and forms a reel assembly with the reel chain in the first left ear picking unit 13, so as to right the lodging and skew corn plants; the left ear picking pair roller 132 in the left ear picking unit I13 is matched with the ear picking plate to pick the corn ears, the picked ears fall into the left small elevator 11, the left small elevator 11 conveys the ears to the upper header auger 10, and the ears finally enter the next process of the corn harvester through the upper header auger 10. Similarly, the second reel chain driving wheel 143 on the right side of the left middle ear picking unit 14 drives the reel chain to move, and forms a reel assembly with the reel chain in the left ear picking unit two 15 for righting the lodging and skewing corn plants, the left ear picking roller pair in the left ear picking unit two 15 cooperates with the ear picking plate to pick the corn ears, the picked corn ears also fall into the left small elevator 11, the left small elevator 11 conveys the corn ears to the upper header auger 10, and the corn ears finally enter the next process 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 straws at the foremost edge of the header, the swinging ring cutter is controlled to reciprocate through the swinging ring box to cut the straws, and the chopped straws reach the lower header auger 20 under the action of the feeding roller and are conveyed to the next process by the lower header auger 20.
The foregoing is illustrative of the best mode of the invention and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The scope of the present invention is defined by the appended claims, and any equivalent modifications based on the technical teaching of the present invention are also within the scope of the present invention.
Claims (15)
1. A header of a corn harvester with a stem and ear harvesting function comprises a fruit ear harvesting header, a straw harvesting header and a header power shaft, wherein the header power shaft is in transmission connection with an engine;
the fruit ear harvesting header comprises an upper header auger and 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 the 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 an upper driving shaft of the header;
the straw harvesting header comprises a straw cutting mechanism, a feeding roller and a lower header auger which are sequentially connected from front to back; the straw cutting mechanism comprises a swing box, a fixed cutting knife and a movable cutting knife, and the swing box is in transmission connection with the movable cutting knife; 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 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 lower cutting table driving shaft through chain transmission, a swing 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 lower cutting table driving shaft from left to right, and the swing box driving belt pulley is in transmission connection with a swing box through a belt and a swing box input wheel; the driving wheel of the lower header auger is in transmission connection with the lower header auger through a chain and a lower auger input wheel; the driving wheel of the upper header auger is in transmission connection with the upper header auger through a chain and an input wheel of the upper auger;
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 header upper driving shaft.
2. The header of the stalk-ear harvesting corn harvester according to claim 1, characterized in that: the left small elevator comprises a shell, a left small elevator driving shaft, a left small elevator driven shaft and a transmission chain, wherein a plurality of transmission 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 left small elevator driving shaft is in transmission connection with the header upper driving shaft.
3. The header of the stalk-ear harvesting corn harvester according to claim 2, characterized in that: the small right elevator and the small left elevator are identical in structure, are arranged in a mirror image mode with the center line of the ear harvesting header and comprise small right elevator driving shafts, and the small right elevator driving shafts are in transmission connection with the header driving shafts.
4. The header of the stalk-ear harvesting corn harvester according to claim 3, characterized in that: 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 roller pair I, a left cardan shaft I, a left reversing box power output shaft, a reel chain driving wheel I and a reel chain, the left ear picking roller pair I and the left cardan shaft I are arranged at the front end of the left reversing box and are in transmission connection with the left reversing box, the left reversing box I is in transmission connection with the left cardan shaft, the left reversing box power output shaft is vertically arranged at the upper end of the left reversing box, and the left reversing box power output shaft is fixedly provided with the reel chain driving wheel I.
5. The header of the stalk-ear harvesting corn harvester according to claim 4, characterized in that: the first left gearbox comprises a power input shaft of the left gearbox, a first ear picking roller output shaft and a cardan shaft output shaft, wherein the power input shaft of the left gearbox is in transmission connection with the driving shaft on the header, the first ear picking roller output shaft is connected with the first left ear picking roller, and the cardan shaft output shaft is connected with the first left cardan shaft.
6. The header of the stalk-ear harvesting corn harvester according to claim 5, characterized in that: the left ear picking unit II is arranged in a mirror image mode with the left small elevator as a center and comprises a left gear box II, the left gear box II comprises a left gear box II power input shaft, and the left ear picking unit I and the left ear picking unit II are respectively arranged on the left side and the right side of the left small elevator;
and the secondary power input shaft of the left gearbox is in transmission connection with the driving shaft on the header.
7. The header of the stalk-ear harvesting corn harvester according to claim 4, characterized in that: the left middle ear picking unit comprises a supporting plate, a reversing mechanism and a second reel chain driving wheel, the supporting plate is mounted at the front end of the shell, the reversing mechanism is mounted below the supporting plate and close to the front end of the shell, and the reel chain driving wheel is mounted above the supporting plate;
the reversing mechanism comprises an input shaft and two output shafts, the two output shafts are vertical to the input shaft, and the second reel chain driving wheel is fixedly arranged on the output shafts; the input shaft is in transmission connection with the driven shaft of the small left elevator.
8. The header of the stalk-ear harvesting corn harvester of claim 7, wherein: and a power transmission chain wheel is arranged on the driven shaft of the small left elevator and positioned outside the shell, a power receiving chain wheel is arranged on the input shaft, and the power transmission chain wheel is in transmission connection with the power receiving chain wheel through a chain.
9. The header of the stalk-ear harvesting corn harvester according to claim 5, characterized in that: 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.
10. The header of the stalk-ear harvesting corn harvester of claim 9, wherein: a gearbox driving wheel and a small elevator driving wheel are further arranged on a driving shaft on the header; the cutting machine comprises a header, a transmission wheel, a transmission shaft, a chain, a transmission power receiving wheel, a transmission case left power shaft, a left ear picking unit power input chain wheel, a right ear picking unit power receiving wheel, a left ear picking unit power input chain wheel, a right ear picking unit power input chain wheel, a left ear picking unit power receiving wheel, a right ear picking unit power receiving wheel, a transmission shaft and a transmission shaft.
11. The header of a corn harvester of claim 10, wherein: the right end of the left power shaft of the gearbox is coaxially provided with a 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 as to drive the right power shaft of the gearbox to synchronously rotate; the left end and the right end of a right power shaft of the gearbox are respectively provided with a right ear picking unit two power input chain wheel and a right ear picking unit one power input chain wheel.
12. The header of a stalk-ear harvesting corn harvester according to claim 11, characterized in that: the power input chain wheel of the left ear picking unit is in transmission connection with a power input shaft of the left gearbox through a chain and a 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; and the power input chain wheel of the right ear picking unit is in transmission connection with a power input shaft of the right gearbox through a chain and a driving wheel of the right gearbox.
13. A header of a corn harvester of the stalk-ear harvesting type as claimed in any one of claims 10 to 12, wherein: 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.
14. The header of a corn harvester of claim 12, wherein: the right end of the 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 also 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.
15. The header of a corn harvester of claim 14, wherein: the cone pulley comprises a large wheel and a small wheel which are integrally formed, the feeding roller power transmission wheel is in transmission connection with the large wheel through a chain, and the small wheel is in transmission connection with the feeding roller input wheel through a chain.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111260687.9A CN113994815A (en) | 2021-10-28 | 2021-10-28 | Header of corn harvester capable of harvesting stems and ears |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111260687.9A CN113994815A (en) | 2021-10-28 | 2021-10-28 | Header of corn harvester capable of harvesting stems and ears |
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| CN113994815A true CN113994815A (en) | 2022-02-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116868776A (en) * | 2023-07-28 | 2023-10-13 | 九方泰禾国际重工(青岛)股份有限公司 | Header transmission system and corn harvester |
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| CN116868776A (en) * | 2023-07-28 | 2023-10-13 | 九方泰禾国际重工(青岛)股份有限公司 | Header transmission system and corn harvester |
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