CN111247946B - Efficient and reliable corn ear-stem header - Google Patents

Efficient and reliable corn ear-stem header Download PDF

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Publication number
CN111247946B
CN111247946B CN202010094124.6A CN202010094124A CN111247946B CN 111247946 B CN111247946 B CN 111247946B CN 202010094124 A CN202010094124 A CN 202010094124A CN 111247946 B CN111247946 B CN 111247946B
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Prior art keywords
chain wheel
shaft
header
output
auger
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CN202010094124.6A
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CN111247946A (en
Inventor
梁雪
张林强
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Yongmeng Machinery Co ltd
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Yongmeng Machinery Co ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D45/00Harvesting of standing crops
    • A01D45/02Harvesting of standing crops of maize, i.e. kernel harvesting
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D45/00Harvesting of standing crops
    • A01D45/02Harvesting of standing crops of maize, i.e. kernel harvesting
    • A01D45/021Cornheaders
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D47/00Headers for topping of plants, e.g. stalks with ears
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D69/00Driving mechanisms or parts thereof for harvesters or mowers
    • A01D69/03Driving mechanisms or parts thereof for harvesters or mowers fluid
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D69/00Driving mechanisms or parts thereof for harvesters or mowers
    • A01D69/06Gearings

Abstract

The invention relates to a high-efficiency and reliable corn ear and stalk header, which comprises a corn ear picking header and a stalk cutting and recovering header; the stalk cutting and recovering header comprises a lower header frame, a roller cutter type cutter, a conveying roller assembly and a feeding screw assembly; the transmission output box body is provided with two output shafts which are respectively provided with a first output chain wheel and a second output chain wheel; the first output chain wheel is in transmission connection with the screw feeder power input chain wheel, the second output chain wheel is in transmission connection with one chain wheel of the transition double chain wheel, the other chain wheel is in transmission connection with the cutter power input chain wheel, and the cutter power output chain wheel is in transmission connection with the conveying roller power input chain wheel; the corn ear picking header comprises an outer conveying auger and an inner shaft, wherein the left end of the inner shaft is provided with a power input chain wheel and a first power output chain wheel, and the first power output chain wheel is in transmission connection with an input chain wheel of a left ear picking box body; a second power output chain wheel arranged at the right end of the inner shaft is in transmission connection with an input chain wheel of the ear picking box body on the right side; the power input chain wheel of the auger is connected with the output chain wheel of the ear picking box body on the right side. The invention has reliable transmission.

Description

Efficient and reliable corn ear-stem header
Technical Field
The invention belongs to the technical field of corn harvesters, relates to a header structure of a corn ear and stem harvesting machine, and particularly relates to a high-efficiency and reliable corn ear and stem harvesting header.
Background
The corn ear and stem header is a key structure on a corn ear and stem harvester, and the structure and transmission design of the stem cutting and recovering header (also called a lower header) and the corn ear picking header (also called an upper header) have decisive influence on the performances of the harvester in the aspects of harvesting efficiency, working reliability, working stability and the like.
For the lower header, the roller cutter cutting type stalk recovery header is a commonly adopted lower header structure, the structure mainly comprises a chopping roller, a conveying roller, a transition roller and an auger, a single-side intermediate shaft is used for bearing and conveying power through chain transmission, the lower header of the structure is unstable in safety and reliability, relatively complex in structure and extremely high in damage to the conveying shaft in the face of complex working conditions.
For the header, the corn ear picking device is mainly composed of a corn ear picking device positioned at the front end and a conveying auger positioned at the rear end, the corn ear picking device is composed of a plurality of groups of ear picking units which are arranged in parallel, multi-ridge simultaneous ear picking is realized, the conveying auger conveys the picked corn ears backwards, the conveying auger device used at present is of a single-shaft structure, two chain wheels are arranged at one end, the outer chain wheel receives power transmitted by a power source, and the inner chain wheel outputs power to the ear picking box body at the same side; the other end is provided with a chain wheel which outputs power to the ear picking box body at the same side. During the field operation of the stem and ear harvesting machine, in order to deal with the temporary adjustment of different ear picking heights, the relative angles of the upper and lower groups of cutting tables can be adjusted at high frequency, so that the requirement on the reliability of the conveying auger is high. And the shaft end load of unipolar transport is very big to the damage of spindle nose to cause the crooked, cracked harm of shaft end in the operation process, influence the operating efficiency, the reliability is not good.
Aiming at the defects of the existing corn ear and stem header, the structure and the transmission of the upper header and the lower header are required to be improved so as to improve the reliability and the stability of the harvesting and ensure the harvesting efficiency of the corn harvester.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the efficient and reliable corn ear-stem header with high harvesting speed, adjustable ear picking height, low stubble remaining, reliable transmission and stable performance
The above purpose of the invention is realized by the following technical scheme:
the utility model provides a high-efficient reliable maize ear of grain stem header concurrently which characterized in that: comprises a stalk cutting and recovering header positioned at the lower part and a corn ear picking header positioned at the upper part;
the stalk cutting and recovering header comprises a lower header frame, wherein a rotatable roller cutter type cutter, a conveying roller assembly and a feeding auger assembly are sequentially erected between the front side wall and the rear side wall of the lower header frame; a cutter power output chain wheel and a cutter power input chain wheel are respectively and fixedly arranged at the left shaft end and the right shaft end of the roller cutter type cutter, and a conveying roller power input chain wheel is fixedly arranged at the left shaft end of a conveying roller assembly; an auger power input chain wheel is movably sleeved at the right shaft end of the feeding auger assembly, the auger power input chain wheel is in driving connection with the right shaft end of the feeding auger assembly through a first clutch, and a transition double chain wheel is arranged outside the right side wall of the lower header frame through a transition shaft; a transmission output box body assembly is arranged behind the right side wall of the lower header frame, the transmission output box body assembly is in gear engagement to form a transmission mechanism, an input shaft is arranged on the left side of the transmission output box body assembly, two output shafts are arranged on the right side of the transmission output box body assembly, a first output chain wheel is fixedly arranged on one output shaft, a second output chain wheel is movably sleeved on the other output shaft, and the second output chain wheel is in driving connection with the corresponding output shaft through a second safety clutch; the first output chain wheel is connected with the auger power input chain wheel through a first transmission chain, the second output chain wheel is connected with one chain wheel of the transition double chain wheel through a second transmission chain, the other chain wheel of the transition double chain wheel is connected with the cutter power input chain wheel through a third transmission chain, and the cutter power output chain wheel is connected with the conveying roller power input chain wheel through a fourth transmission chain; the upper ends of the rear parts of the two side walls of the lower header frame are respectively provided with a left connecting platform and a right connecting platform;
the corn ear picking header comprises a rack and an ear picking rack positioned at the front part and connected with the rack, a plurality of groups of ear picking units are transversely arranged on the ear picking rack, and a composite conveying auger is arranged between two side walls of the rack; the composite conveying auger comprises an outer conveying auger and an inner shaft, wherein the inner shaft is inserted into the outer conveying auger, bearings are respectively arranged between the part, close to two ends, of the inner shaft and two ends of the outer conveying auger, so that the inner shaft and the outer conveying auger form rotatable coaxial fit, two ends of the inner shaft extend out, an upper header power input chain wheel and a first power output chain wheel are fixedly arranged at the left exposed end of the inner shaft from outside to inside in sequence, and the first power output chain wheel is connected with an input chain wheel on an input shaft of a left ear picking box body of the corn ear picking header through a transmission chain; a second power output chain wheel is fixedly arranged at the right exposed end of the inner shaft, and the second power output chain wheel is connected with an input chain wheel on an input shaft of a right ear picking box body of the corn ear picking header through a transmission chain; the right end of the external conveying auger is fixedly connected with an auger power input chain wheel which is connected with an output chain wheel on an input shaft of a snapping box body on the right side of the corn snapping header through a transmission chain; the left end part of the inner shaft penetrates through the left side wall of the rack and is supported above the left connecting platform through a left bearing seat, the right end part of the outer conveying auger is rotatably connected with the right side wall of the rack through a bearing seat, and the right end part of the inner shaft penetrates through the right side wall of the rack and is supported above the right connecting platform through a right bearing seat;
and the outside of the two side walls of the lower header frame and the outside of the two sides of the ear picking frame are respectively and correspondingly connected with a driving oil cylinder, so that the corn ear picking header is connected with the stalk cutting and recovering header in an up-and-down adjustable mode.
Further: the roller cutter type cutter is composed of a roller cutter shaft and a plurality of groups of cutting units axially fixed on the roller cutter shaft, each group of cutting units comprises two cutting blades, the two cutting blades are oppositely arranged along the circumference square in 180 degrees, a cutter handle of each cutting blade is fixedly connected with the roller cutter shaft through a screw, and the cutting edge of each cutting blade faces outwards; two adjacent groups of cutting units are arranged in a 90-degree staggered manner.
Further: the conveying roller assembly is a multi-edge roller structure and is composed of a roller shaft and a plurality of protruding edges which are uniformly distributed and fixed on the roller shaft along the circumferential direction.
Further: the outer conveying auger comprises an auger sleeve body part, a left end supporting sleeve and a right end supporting sleeve, wherein the left end supporting sleeve and the right end supporting sleeve are fixedly connected with the left end and the right end of the auger sleeve body part respectively in a mode that part of inserting parts are exposed.
Further: the inner shaft is of a combined shaft structure and comprises an inner shaft sleeve main body, a left end shaft head and a right end shaft head which are fixedly connected with two ends of the inner shaft sleeve main body in an inserted mode, the power input chain wheel and the first power output chain wheel of the header are fixedly installed on the left end shaft head, and the second power output chain wheel is fixedly installed on the right end shaft head.
The invention has the advantages and positive effects that:
1. the ear-stem harvesting header can realize the simultaneous harvesting of the ears and the straws, and has simple structure, light weight and high efficiency; the transmission of the stalk cutting and recovering header and the transmission of the corn ear picking header adopt two unrelated transmission systems, the independent free lifting function of the double-layer header is ensured, the upper and lower positions of the corn ear picking header can be adjusted through the two driving oil cylinders, so that the adjustment of the ear picking height is realized, the corn ear picking header is suitable for domestic different corn planting conditions and different areas for harvesting, and the corn ear picking header has the advantage of wide application range.
2. The invention discloses transmission of a stalk cutting and recovering header and a corn ear picking header, and relates to the technical field of functional components without cross transmission, wherein only a transmission intermediate shaft arranged at the left rear part of the stalk cutting and recovering header receives a power source from other components of a whole machine and directly transmits the power source to an inner shaft of the corn ear picking header, so that the power source is used as a power source of the corn ear picking header. The advantages are that: the power is guaranteed not to be transmitted in a crossed mode, the maintenance is convenient, and the problem of long cantilever of the transmission shaft caused by unilateral transmission of multiple shafts is avoided.
2. The corn ear picking header is driven by the composite auger, so that the uniform power sources of the auger and the ear picking box body are respectively transmitted and shunted, the stress is uniform, the damage to the half shaft is reduced, and the operation reliability is higher; the transmission box double-clutch system applied to the stalk cutting and recovering header can protect the transmission system by responding to the transient stress enhancement, the operation reliability is improved, and the crop cutting stubble is less due to the advantage of low operation height of the roller cutter type chopper.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the stalk cutting and recovering header of the present invention;
FIG. 3 is a schematic view of the portion of FIG. 2 from the A direction;
FIG. 4 is a schematic view of the portion of FIG. 2 taken from the direction B;
FIG. 5 is a schematic view of the overall structure of the corn ear picking header of the present invention;
FIG. 6 is a schematic view of the construction of the compound conveying auger of FIG. 5;
FIG. 7 is an enlarged view of the right portion of FIG. 5;
fig. 8 is a partially enlarged left portion of fig. 5.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.
An efficient and reliable corn ear-stem header is shown in fig. 1-8, and the invention point is as follows: comprises a stalk cutting and recovering cutting table 1 positioned at the lower part and a corn ear picking cutting table 2 positioned at the upper part.
The stalk cutting and recovering header comprises a lower header rack 1.1, wherein the lower header rack mainly comprises a left side wall, a right side wall and a cross rod connecting part connected with the rear parts of the left side wall and the right side wall. A rotatable roller cutter type cutter 1.15, a conveying roller assembly 1.14 and a feeding screw feeder assembly 1.13 are sequentially erected between two side walls of a lower header frame from front to back. And a cutter power output chain wheel 1.18 and a cutter power input chain wheel 1.12 are fixedly arranged on a left shaft end positioned outside the left side wall of the lower header frame and a right shaft end positioned outside the right side wall of the lower header frame on the roller cutter respectively. And a conveying roller power input chain wheel 1.16 is fixedly arranged at the left shaft end of the conveying roller assembly positioned outside the left side wall of the lower header frame. An auger power input chain wheel 1.8 is movably sleeved at the right shaft end of the feeding auger positioned outside the right side wall between the cutting tables, and the auger power input chain wheel is in driving connection with the right shaft end of the feeding auger assembly through a first clutch 1.9. And a transition double-chain wheel 1.10 is arranged outside the right side wall of the lower header rack through a transition shaft, and the transition double-chain wheel is arranged below the power input chain wheel of the auger. The rear part of the right side wall of the lower header rack is provided with a transmission output box body assembly 1.2, the left side of the transmission output box body is provided with an input shaft and a main power input chain wheel, the input power position is positioned at another functional part (an intermediate transmission box which belongs to the part of the whole machine part) outside the header, the functional parts are connected through chain transmission, and the gear sets with different tooth numbers are arranged inside the transmission box body to realize the output of different rotating speeds of the lower header; two output shafts are arranged on the right side, a first output chain wheel 1.3 is fixedly installed on one output shaft, a second output chain wheel 1.4 is movably sleeved on the other output shaft, and the second output chain wheel is in driving connection with the corresponding output shaft through a second safety clutch 1.5. The first output chain wheel is connected with the auger power input chain wheel through a first transmission chain 1.7, the second output chain wheel is connected with one chain wheel of the transition double chain wheel through a second transmission chain 1.6, the other chain wheel of the transition double chain wheel is connected with the cutter power input chain wheel through a third transmission chain 1.11, and the cutter power output chain wheel is connected with the conveying roller power input chain wheel through a fourth transmission chain 1.17. The upper ends of the rear parts of the two side walls of the lower header rack are respectively provided with a left connecting platform and a right connecting platform. The chain transmission connection realizes the transmission of the output power of the transmission output box body assembly to the roller cutter type cutter, the conveying roller assembly and the feeding auger assembly.
In the above structure: the roller knife type cutter further adopts the following structure:
the roller knife type cutter consists of a roller knife shaft 1.15.1 and a plurality of groups of cutting units axially fixed on the roller knife shaft, each group of cutting units comprises two cutting blades 1.15.2, the two cutting blades are oppositely arranged along the circumference square in 180 degrees, the knife handles of the cutting blades are fixedly connected with the roller knife shaft through screws, and the cutting edges of the cutting blades face outwards; two adjacent groups of cutting units are arranged in a 90-degree staggered manner.
In the above structure, the conveying roller assembly further adopts the following structure:
the conveying roller is assembled into a multi-edge roller structure and consists of a roller shaft 1.14.1 and a plurality of convex edges 1.14.2 which are uniformly distributed and fixed on the roller shaft along the circumferential direction. The roll shaft is composed of a tubular main body part and shaft head parts welded at two ends, and the convex edges are made of square steel. The conveying roller assembly has the function that after the straw is cut off by the front chopping roller, the middle part of the conveying roller assembly is used as a conveying roller for transition conveying, and the straw is conveyed to the rear screw conveyer.
The stalk cutting and recovering header adopts a double-roller design structure, so that the cutting structure is simplified; the transmission adopts a double-clutch system, so that the protection of the transmission system by transient stress enhancement is responded, and the operation reliability is improved. The stalk cutting and recovering header adopts the roller cutter type cutter, can be cut on the ground, is short and small due to the design of double rollers (the roller cutter type cutter and the conveying roller assembly), and has smaller ground clearance compared with a multi-roller header under the condition of the same cutting action point, and the stubble remaining of the harvested crops is low.
The corn ear picking header comprises a rack and an ear picking rack positioned at the front part and connected with the rack, a plurality of ear picking units 2.2 are transversely installed on the ear picking rack, and a composite conveying auger 2.1 is erected between two side walls of the rack. The composite conveying auger comprises an outer conveying auger and an inner shaft, wherein the outer conveying auger is in a structural form that a spiral conveying blade is arranged on a thin-arm sleeve. The inner shaft is inserted into the outer conveying auger, bearings are respectively arranged between the part, close to the two ends, of the inner shaft and the two ends of the outer conveying auger, the inner shaft and the outer conveying auger form rotatable coaxial fit, the two ends of the inner shaft extend out, an upper header power input chain wheel 2.3 and a first power output chain wheel 2.4 are fixedly arranged at the left exposed end of the inner shaft from outside to inside in sequence, the upper header power input chain wheel is connected with a chain wheel 2.11 on a transmission intermediate shaft to realize power input, the transmission intermediate shaft is arranged on the rear side of a lower header rack below the rear end of the rack, and power sources are received from other parts of the whole machine. The first power output chain wheel is connected with an input chain wheel 2.10 on an input shaft of a corn ear picking box body on the left side of the corn ear picking header through a transmission chain; a second power output chain wheel 2.6 is fixedly arranged at the right exposed end of the inner shaft, and the second power output chain wheel is connected with an input chain wheel 2.9 on an input shaft of a corn ear picking box body on the right side of the corn ear picking header through a transmission chain; the right end of the external conveying auger is fixedly connected with an auger power input chain wheel 2.5, and the auger power input chain wheel is connected with an output chain wheel 2.8 on an input shaft of a right ear picking box body of the corn ear picking header through a transmission chain; the left end part of the inner shaft penetrates through the left side wall of the rack and is supported above the left connecting platform through a left bearing seat 2.12, the right end part of the outer conveying auger is rotatably connected with the right side wall of the rack through a bearing seat, and the right end part of the inner shaft penetrates through the right side wall of the rack and is supported above the right connecting platform through a right bearing seat 2.7.
And the outside of the two side walls of the lower header frame and the outside of the two sides of the ear picking frame are respectively and correspondingly connected with a driving oil cylinder, so that the corn ear picking header is connected with the stalk cutting and recovering header in an up-and-down adjustable mode.
In the above structure: the outer conveying auger comprises an auger sleeve body part 2.1.3, a left end support sleeve 2.1.2 and a right end support sleeve 2.1.5, wherein the left end support sleeve and the right end support sleeve are respectively and fixedly connected with the left end and the right end of the auger sleeve body part in a partially inserted and partially exposed mode in a welding mode and the like.
In the above structure: the inner shaft further adopts a combined shaft structure and comprises an inner shaft sleeve main body 2.1.4, a left end shaft head 2.1.1 and a right end shaft head 2.1.6 which are fixedly connected with two ends of the inner shaft sleeve main body in a plug-in mode, the power input chain wheel and the first power output chain wheel of the header are fixedly installed on the left end shaft head, and the second power output chain wheel is fixedly installed on the right end shaft head. The inner shaft adopts the combined shaft structure, and compared with a solid through shaft, the combined shaft has the advantages of light dead weight, low cost and good strength.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims (5)

1. The utility model provides a high-efficient reliable maize ear of grain stem is header concurrently which characterized in that: comprises a stalk cutting and recovering header positioned at the lower part and a corn ear picking header positioned at the upper part;
the stalk cutting and recovering header comprises a lower header rack, wherein a rotatable roller cutter type cutter, a conveying roller assembly and a feeding auger assembly are sequentially erected between the front side wall and the rear side wall of the lower header rack; a cutter power output chain wheel and a cutter power input chain wheel are fixedly arranged at the left shaft end and the right shaft end of the roller cutter type cutter respectively, and a conveying roller power input chain wheel is fixedly arranged at the left shaft end of a conveying roller assembly; an auger power input chain wheel is movably sleeved at the right shaft end of the feeding auger assembly, the auger power input chain wheel is in driving connection with the right shaft end of the feeding auger assembly through a first clutch, and a transition double chain wheel is arranged outside the right side wall of the lower header frame through a transition shaft; a transmission output box body assembly is arranged behind the right side wall of the lower header rack, the transmission output box body assembly is formed by meshing gears to form a transmission mechanism, an input shaft is arranged on the left side of the transmission output box body assembly, two output shafts are arranged on the right side of the transmission output box body assembly, a first output chain wheel is fixedly arranged on one output shaft, a second output chain wheel is movably sleeved on the other output shaft, and the second output chain wheel is in driving connection with the corresponding output shaft through a second safety clutch; the first output chain wheel is connected with the auger power input chain wheel through a first transmission chain, the second output chain wheel is connected with one chain wheel of the transition double chain wheel through a second transmission chain, the other chain wheel of the transition double chain wheel is connected with the cutter power input chain wheel through a third transmission chain, and the cutter power output chain wheel is connected with the conveying roller power input chain wheel through a fourth transmission chain; the upper ends of the rear parts of the two side walls of the lower header frame are respectively provided with a left connecting platform and a right connecting platform;
the corn ear picking header comprises a rack and an ear picking rack positioned at the front part and connected with the rack, a plurality of groups of ear picking units are transversely arranged on the ear picking rack, and a composite conveying auger is arranged between two side walls of the rack; the composite conveying auger comprises an outer conveying auger and an inner shaft, wherein the inner shaft is inserted into the outer conveying auger, bearings are respectively arranged between the positions, close to the two ends, of the inner shaft and the two ends of the outer conveying auger, so that the inner shaft and the outer conveying auger form rotatable coaxial fit, the two ends of the inner shaft extend out, an upper header power input chain wheel and a first power output chain wheel are fixedly arranged at the left exposed end of the inner shaft from outside to inside in sequence, and the first power output chain wheel is connected with an input chain wheel on an input shaft of a left ear picking box body of the corn ear picking header through a transmission chain; a second power output chain wheel is fixedly arranged at the right exposed end of the inner shaft, and the second power output chain wheel is connected with an input chain wheel on an input shaft of a right ear picking box body of the corn ear picking header through a transmission chain; the right end of the external conveying auger is fixedly connected with an auger power input chain wheel which is connected with an output chain wheel on an input shaft of a snapping box body on the right side of the corn snapping header through a transmission chain; the left end part of the inner shaft penetrates through the left side wall of the rack and is supported above the left connecting platform through a left bearing seat, the right end part of the outer conveying auger is rotatably connected with the right side wall of the rack through a bearing seat, and the right end part of the inner shaft penetrates through the right side wall of the rack and is supported above the right connecting platform through a right bearing seat;
and the outside of the two side walls of the lower header frame and the outside of the two sides of the ear picking frame are respectively and correspondingly connected with a driving oil cylinder, so that the corn ear picking header is connected with the stalk cutting and recovering header in an up-and-down adjustable mode.
2. The efficient and reliable corn ear and stalk header as claimed in claim 1, wherein: the roller cutter type cutter is composed of a roller cutter shaft and a plurality of groups of cutting units axially fixed on the roller cutter shaft, each group of cutting units comprises two cutting blades, the two cutting blades are oppositely arranged along the circumference square in 180 degrees, a cutter handle of each cutting blade is fixedly connected with the roller cutter shaft through a screw, and the cutting edge of each cutting blade faces outwards; two adjacent groups of cutting units are arranged in a 90-degree staggered manner.
3. The efficient and reliable corn ear and stalk header as claimed in claim 1, wherein: the conveying roller assembly is a multi-edge roller structure and is composed of a roller shaft and a plurality of protruding edges which are uniformly distributed and fixed on the roller shaft along the circumferential direction.
4. The efficient and reliable corn ear and stalk header as claimed in claim 1, wherein: the outer conveying auger comprises an auger sleeve body part, a left end supporting sleeve and a right end supporting sleeve, wherein the left end supporting sleeve and the right end supporting sleeve are fixedly connected with the left end and the right end of the auger sleeve body part respectively in a mode that part of inserting parts are exposed.
5. The efficient and reliable corn ear and stalk header as claimed in claim 1, wherein: the inner shaft is of a combined shaft structure and comprises an inner shaft sleeve main body, a left end shaft head and a right end shaft head which are fixedly connected with two ends of the inner shaft sleeve main body in an inserted mode, the power input chain wheel and the first power output chain wheel of the header are fixedly installed on the left end shaft head, and the second power output chain wheel is fixedly installed on the right end shaft head.
CN202010094124.6A 2020-02-15 2020-02-15 Efficient and reliable corn ear-stem header Active CN111247946B (en)

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Publication number Priority date Publication date Assignee Title
CN113383645A (en) * 2021-06-11 2021-09-14 山东巨明机械有限公司 Header for harvesting stem and ear and ensiling

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