阅读说明：本技术 一种摘穗对辊、玉米收获机割台及玉米收获机 (Ear picking double-roller, corn harvester header and corn harvester ) 是由 徐蕾 曾李 郭和甲 马超 于 2021-10-28 设计创作，主要内容包括：本发明公开了一种摘穗对辊、玉米收获机割台及玉米收获机,包括割台机架、秸秆切割机构、秸秆喂入机构、摘穗机构、果穗传送机构,秸秆喂入机构设于割台机架的前端,秸秆喂入机构的后方设有摘穗机构,摘穗机构的后方设有铡草机；秸秆切割机构用于切断玉米秸秆；秸秆喂入机构用于将秸秆切割机构切断的玉米秸秆传送至摘穗机构；摘穗机构用于将玉米秸秆和玉米穗分离；摘穗机构的第一摘穗辊和第二摘穗辊结构相同或不同,第一摘穗辊和第二摘穗辊在竖直方向上间隔设置。本发明的摘穗辊卧式横向设置割台,通过将摘穗辊设置在秸秆喂入机构的后方,减小割台的宽度,还避免了摘穗辊和摘穗链并排设置造成拥挤,在摘穗过程中容易堵塞摘穗辊的问题。(The invention discloses ear picking double rollers, a corn harvester header and a corn harvester, which comprise a header frame, a straw cutting mechanism, a straw feeding mechanism, an ear picking mechanism and an ear conveying mechanism, wherein the straw feeding mechanism is arranged at the front end of the header frame; the straw cutting mechanism is used for cutting off the corn straws; the straw feeding mechanism is used for conveying the corn straws cut off by the straw cutting mechanism to the ear picking mechanism; the ear picking mechanism is used for separating the corn stalks from the corn ears; the first ear picking roller and the second ear picking roller of the ear picking mechanism are the same in structure or different in structure, and are arranged at intervals in the vertical direction. The header with the horizontal ear picking roller is arranged behind the straw feeding mechanism, so that the width of the header is reduced, and the problems that the ear picking roller is crowded due to the parallel arrangement of the ear picking roller and the ear picking chain and the ear picking roller is easily blocked in the ear picking process are solved.)

1. The ear picking paired rollers are characterized by comprising a first ear picking roller (401) and a second ear picking roller (402), wherein the first ear picking roller (401) and the second ear picking roller (402) have the same or different structures; the first snapping roll comprises a first shaft body (408), second shaft bodies (404) are arranged on two sides of the first shaft body (408), and guide vanes (403) are arranged on the second shaft bodies (404); a third shaft body (405) is arranged on the outer side of one of the second shaft bodies (404), and a fourth shaft body (407) is arranged on the outer side of the other second shaft body (404).

2. The pair of snapping rolls according to claim 1, wherein said third shaft (405) is provided on its outer side with a first snapping roll driving wheel (406).

3. The pair of ear rollers according to claim 1, characterized in that the first shaft (408) is provided with ear portions projecting perpendicularly to the axial direction of the first ear roller (401).

4. The snapping counter roll according to any of claims 1 to 3, wherein said second snapping roll (402) is structurally different from said first snapping roll (401), said second snapping roll (402) comprises a fifth shaft (409) cooperating with said first shaft (408), said fifth shaft (409) is provided on both sides with a sixth shaft (411) and a seventh shaft (412), respectively, and a second snapping roll driving wheel (410) is provided on the outside of said sixth shaft (411).

5. A header of a corn harvester is characterized by comprising a header rack (1), and a straw cutting mechanism (2), a straw feeding mechanism (3), an ear picking mechanism (4) and an ear conveying mechanism (5) which are arranged on the header rack (1); the straw cutting mechanism (2) and the straw feeding mechanism (3) are arranged at the front end of the header frame (1), the ear picking mechanism (4) is arranged behind the straw feeding mechanism (3), and the hay cutter (6) is arranged behind the ear picking mechanism (4);

the straw cutting mechanism (2) is used for cutting off the corn straws in the field;

the straw feeding mechanism (3) is used for conveying the corn straws cut off by the straw cutting mechanism (2) to the ear picking mechanism (4);

the ear picking mechanism (4) is used for separating corn straws from ears on the corn straws, the separated corn straws enter a hay cutter (6), and the ears are conveyed away by the ear conveying mechanism (5);

the snapping mechanism (4) comprises two sets of snapping double rollers (40) according to any one of claims 1 to 4, the first snapping roller (401) and the second snapping roller (402) are rotatably arranged on the header frame (1), and the first snapping roller (401) and the second snapping roller (402) are arranged at intervals in the vertical direction; an included angle formed by the first snapping roll (401) and the advancing direction of the corn harvester header along the length extending direction from inside to outside of the header frame (1) is not less than 45 degrees.

6. A corn harvester header as claimed in claim 5, characterized in that the first snapping roll (401) and/or the second snapping roll (402) is/are height-adjustable on the header frame (1).

7. The corn harvester header of claim 5, wherein the straw cutting mechanism (2) is a reciprocating cutter or a ground hob; the ear conveying mechanism (5) is a conveyor belt or a chain rake type running machine, and the ear conveying mechanism (5) is arranged below the ear picking mechanism (4).

8. The header of a corn harvester according to claim 5, characterized in that the straw feeding mechanism (3) comprises two pairs of straw shifting chains (31), two pairs of straw shifting chains (31) are arranged in front of each group of snapping rolls (40), and each pair of straw shifting chains (31) feeds a row of corn straws to be harvested.

9. The header of a corn harvester according to claim 8, wherein the straw feeding mechanism (3) further comprises a guide chain (33) located between the reel chain (31) and the ear picking pair rollers (40), the guide chain (33) is arranged at each end of each ear picking pair roller (40) in the length extension direction, and the guide chain (33) is arranged on the header frame (1).

10. A corn harvester comprising a corn harvester header of any one of claims 5 to 9.

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a pair of ear picking rollers, a corn harvester header and a corn harvester.

Background

The snapping roll is an essential part of a corn harvester cutting table, and the current corn harvester cutting table mainly comprises a horizontal type longitudinally-arranged cutting table of the snapping roll according to the arrangement mode of the snapping roll on the cutting table of the corn harvester. In the header with the horizontal snapping roll longitudinally arranged as shown in fig. 1, the heading direction of the header is set to be in front (as shown by an arrow in fig. 1), two snapping rolls 1001 with the same structure are horizontally arranged to form a group of snapping roll pairs, and the snapping rolls 1001 are parallel to the header in the heading direction or form an acute angle (namely, are approximately parallel) smaller than 30 degrees in the length extending direction from back to front. The horizontal header that vertically sets up of snapping roll leads to the header than wider because snapping roll and snapping chain set up side by side, and snapping roll and snapping chain set up more crowded, there is the problem of easily blockking up snapping roll in the snapping process, consequently, it is necessary to provide a snapping roll pair roller and maize picker header and maize picker that snapping roll unconventionally set up to solve the problem that exists among the background art.

Disclosure of Invention

The invention aims to provide a snapping double-roller with an unconventional snapping roller, a corn harvester header and a corn harvester, which are needed to solve the problems that the header in the prior art is too wide, the snapping roller and the snapping chain are arranged crowded, and the snapping roller is easy to block in the snapping process.

In order to solve the technical problems, the technical scheme is as follows: the ear picking paired rollers comprise a first ear picking roller and a second ear picking roller, wherein the first ear picking roller and the second ear picking roller have the same or different structures; the first snapping roll comprises a first shaft body, two sides of the first shaft body are provided with second shaft bodies, and the second shaft bodies are provided with guide vanes; the outer side of one of the second shaft bodies is provided with a third shaft body, and the outer side of the other second shaft body is provided with a fourth shaft body.

Preferably, a first snapping roll driving wheel is arranged on the outer side of the third shaft body.

Preferably, a radial diameter of the first shaft body is at least larger than a radial diameter of a part of the second shaft body.

Preferably, the second snapping roll has a different structure from the first snapping roll, the second snapping roll comprises a fifth shaft body matched with the first shaft body, a sixth shaft body and a seventh shaft body are respectively arranged on two sides of the fifth shaft body, and a second snapping roll driving wheel is arranged on the outer side of the sixth shaft body.

The invention also discloses a header of the corn harvester, which comprises a header rack, and a straw cutting mechanism, a straw feeding mechanism, an ear picking mechanism and an ear conveying mechanism which are arranged on the header rack; the straw cutting mechanism and the straw feeding mechanism are arranged at the front end of the header frame, the ear picking mechanism is arranged behind the straw feeding mechanism, and a hay cutter is arranged behind the ear picking mechanism; the straw cutting mechanism is used for cutting off the corn straws in the field; the straw feeding mechanism is used for conveying the corn straws cut off by the straw cutting mechanism to the ear picking mechanism; the ear picking mechanism is used for separating corn straws from ears on the corn straws, the separated corn straws enter a hay cutter, and the ears are conveyed away by the ear conveying mechanism;

the ear picking mechanism comprises two groups of ear picking paired rollers, the first ear picking roller and the second ear picking roller are rotatably arranged on the header frame, and the first ear picking roller and the second ear picking roller are arranged at intervals in the vertical direction; the first snapping roll forms an included angle of not less than 45 degrees with the advancing direction of the corn harvester header along the header frame from the length extending direction from inside to outside of the header.

Preferably, the first snapping roll and/or the second snapping roll are/is arranged on the header frame in a height-adjustable manner.

Preferably, the straw cutting mechanism is a reciprocating cutter or a ground hob; the ear conveying mechanism is a conveyor belt or a chain rake type treadmill, and is arranged below the ear picking mechanism.

Preferably, the straw feeding mechanism comprises reel chains, two pairs of reel chains are arranged in front of each group of the snapping rollers, and each pair of reel chains feeds a row of harvested corn straws.

Preferably, the straw feeding mechanism further comprises a guide chain positioned between the reel chain and the ear picking pair rollers, the guide chain is arranged at two ends of each group of ear picking pair rollers in the length extending direction, and the guide chains are arranged on the header rack.

On the other hand, this patent still discloses a maize picker, includes aforementioned maize picker header.

Compared with the prior art, the invention has the beneficial effects that:

1. the ear picking pair rollers for the header of the corn harvester in the patent are different from the existing ear picking pair rollers in design technical scheme, the ear picking pair rollers in the patent comprise a first ear picking roller and a second ear picking roller which are different in structure, and the first ear picking roller and the second ear picking roller of the ear picking pair rollers are arranged at intervals in the vertical direction; the first snapping roll forms an included angle of not less than 45 degrees with the advancing direction of the corn harvester header along the header frame from the length extending direction of the inner part and the outer part of the header frame, and the snapping roll is horizontally and transversely arranged on the header. Compared with the ear picking roller used in the existing header with the ear picking roller horizontally and longitudinally arranged, the ear picking roller pair in the patent is specially designed for the header with the ear picking roller horizontally and transversely arranged, and is a brand new technical scheme.

2. The header of the corn harvester comprises a header frame, and a straw cutting mechanism, a straw feeding mechanism, an ear picking mechanism and an ear conveying mechanism which are arranged on the header frame; the straw cutting mechanism and the straw feeding mechanism are arranged at the front end of the header frame, the ear picking mechanism is arranged behind the straw feeding mechanism, and a hay cutter is arranged behind the ear picking mechanism; the straw cutting mechanism is used for cutting off the corn straws in the field; the straw feeding mechanism is used for conveying the corn straws cut off by the straw cutting mechanism to the ear picking mechanism; the ear picking mechanism is used for separating corn straws from ears on the corn straws, the separated corn straws enter a hay cutter, and the ears are conveyed away by the ear conveying mechanism; ear picking mechanism includes two sets of ear of grain pairs rollers of plucking, and arbitrary pair of ear picking roller pair all includes first ear of grain roller and second ear of grain roller of plucking, first ear of grain roller with the equal rotatable locating of second ear of grain roller of plucking in the header frame, first ear of grain roller with the second ear of grain roller interval sets up in vertical direction. The first snapping roll forms an included angle of not less than 45 degrees with the advancing direction of the corn harvester header along the header frame from the length extending direction from inside to outside of the header. The ear picking roller is arranged behind the straw feeding mechanism, so that the design width of the header is reduced, and the problem that the ear picking roller is jammed easily in the ear picking process due to the fact that the ear picking roller and the ear picking chain are arranged side by side is avoided.

3. The invention aims at the horizontal transverse arrangement of the header of the snapping roll, the guide chains are arranged between the reel chains and the snapping roll pairs, and the guide chains are arranged at the two ends of each snapping roll pair in the length extension direction, so that the corn straws can be better conveyed, and the snapping mechanism can be prevented from being blocked when the corn straws are fed into the snapping mechanism.

Drawings

FIG. 1 is a horizontal and longitudinal header with snapping rollers in the prior art;

FIG. 2 is a schematic structural view of a first ear picking roller of an ear picking pair roller for a corn harvester of the invention;

FIG. 3 is a schematic view of the structure of the second ear picking roller of the ear picking pair roller for the corn harvester

FIG. 4 is a top view of a header of the corn harvester of the present invention;

FIG. 5 is a front view of a header of the corn harvester of the present invention;

FIG. 6 is a side view of a header of the corn harvester of the present invention.

In the figure: 1. the corn harvester comprises a header frame, 2, a straw cutting mechanism, 3, a straw feeding mechanism, 31, a reel chain, 32, a reel wheel, 33, a guide chain, 4, an ear picking mechanism, 40, an ear picking roller, 401, a first ear picking roller, 402, a second ear picking roller, 403, a guide blade, 5, an ear conveying mechanism, 6, a straw cutter, 7 and a straw conveying mechanism.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The first embodiment is as follows:

as shown in fig. 2 to 3, a pair of ear picking rollers, which is specially used for a horizontal header with ear picking rollers transversely arranged in the invention, comprises a first ear picking roller 401 and a second ear picking roller 402 which have the same or different structures, and the first ear picking roller 401 and the second ear picking roller 402 have different structures; the first snapping roll comprises a first shaft body 408, second shaft bodies 404 are arranged on two sides of the first shaft body 408, guide blades 403 are arranged on the second shaft bodies 404, and the guide blades are used for conveying the corn straws passing through the straw feeding mechanism 3 to the middle position of the first snapping roll 401 or the second snapping roll 402. A third shaft body 405 is arranged on the outer side of one of the second shaft bodies 404, a fourth shaft body 407 is arranged on the outer side of the other second shaft body 404, and the third shaft body 405 and the fourth shaft body 407 are rotatably arranged on the header frame 1 through bearings respectively. The outer side of the third shaft body 405 is provided with a first snapping roll driving wheel 406. The first shaft body (408) is provided with an ear picking part which is vertical to the axial direction of the first ear picking roller (401) and protrudes, namely, the ear picking part protrudes along the radial direction. In this embodiment, the ear picking portion is provided with ear picking ribs, each ear picking rib includes a spiral ear picking rib spirally arranged on the first shaft and a linear ear picking rib arranged along the length extending direction of the first shaft, the direction indicated by the dotted line in fig. 2 is the axial direction of the first ear picking roller, and the direction perpendicular to the axial direction of the first ear picking roller is the radial direction.

In this embodiment, the second snapping roll 402 has a different structure from the first snapping roll 401, the second snapping roll 402 includes a fifth shaft 409 engaged with the snapping portion of the first shaft 408, specifically, the fifth shaft 409 is provided with a same protruding snapping portion engaged with the snapping portion of the first shaft 408, the two protruding snapping portions squeeze the ears of corn from the corn stalk, a sixth shaft 411 and a seventh shaft 412 are respectively disposed on two sides of the fifth shaft 409, the sixth shaft 411 and the seventh shaft 412 are respectively rotatably disposed on the header frame 1 through bearings, and a second snapping roll driving wheel 410 is disposed on an outer side of the sixth shaft 411.

Of course, in other embodiments, the second snapping roll 402 may be configured the same as the first snapping roll 401, which is not limited in this patent.

The ear picking pair rollers for the header of the corn harvester in the patent are different from the existing ear picking pair rollers in design technical scheme, the ear picking pair rollers in the patent comprise a first ear picking roller and a second ear picking roller which are different in structure, and the first ear picking roller and the second ear picking roller of the ear picking pair rollers are arranged at intervals in the vertical direction; the first snapping roll forms an included angle of not less than 45 degrees with the advancing direction of the corn harvester header along the length extending direction from inside to outside of the header frame, and the header is horizontally and transversely arranged. Compared with the ear picking roller used in the existing header with the ear picking roller horizontally and longitudinally arranged, the ear picking roller pair in the patent is specially designed for the header with the ear picking roller horizontally and transversely arranged, and is a brand new technical scheme.

Example two:

as shown in fig. 4 to 6, the header of the corn harvester is set in front of the advancing direction of the header, and comprises a header frame 1, and a straw cutting mechanism 2, a straw feeding mechanism 3, an ear picking mechanism 4 and an ear conveying mechanism 5 which are arranged on the header frame 1. The straw cutting mechanism 2 and the straw feeding mechanism 3 are arranged at the front end of the header frame 1, the ear picking mechanism 4 is arranged behind the straw feeding mechanism 3, the hay cutter 6 is arranged behind the ear picking mechanism 4, and the rear end of the hay cutter 6 is fixed on the body of the corn harvester.

The straw cutting mechanism 2 is used for cutting off the corn straws in the field. The straw feeding mechanism 3 is used for clamping and conveying the corn straws cut off by the straw cutting mechanism 2 to the ear picking mechanism 4. The ear picking mechanism 4 is used for separating the corn stalks from the ears on the corn stalks, the separated corn stalks enter a hay cutter 6, and the ears are conveyed away by the ear conveying mechanism 5.

As shown in fig. 4, the snapping mechanism 4 includes two sets of snapping double rollers 40, and the two sets of snapping double rollers are symmetrically disposed about a center sill of the header frame 1. Any group of ear picking roll pairs 40 comprise a first ear picking roll 401 and a second ear picking roll 402, the first ear picking roll 401 and the second ear picking roll 402 are rotatably arranged on the header frame 1, the first ear picking roll 401 and the second ear picking roll 402 are arranged at intervals in the vertical direction, and namely, the first ear picking roll 401 and the second ear picking roll 402 have a height difference in the vertical direction. In this embodiment, the first snapping roll 401 and the second snapping roll 402 are arranged in parallel, and an included angle between the length extending direction of the first snapping roll 401 from the inner side of the header frame (i.e., the center of the header frame) to the outer side of the header frame along the header frame 1 and the advancing direction of the header of the corn harvester is not less than 45 degrees, specifically, may be 45 degrees, 60 degrees, 90 degrees, 120 degrees or other degrees.

The corn harvester header in this patent through setting up the snapping roll at straw feeding mechanism's rear, has reduced the design width of header, and the part sets up more rationally, makes things convenient for dismouting and change. The problem that the snapping roll is easily blocked in the snapping process due to the fact that the snapping roll and the snapping chain are arranged side by side is also avoided.

In this embodiment, two pairs of snapping rollers 40 are disposed on the header frame 1, two straw feeding mechanisms 3 are correspondingly disposed in front of each pair of snapping rollers 40, and a group of snapping rollers 40 corresponding to each straw feeding mechanism 3 feeds a row of harvested corn straws. Specifically, the straw feeding mechanism 3 comprises a pair of reel chains 31, the reel chains 31 are arranged on a reel wheel 32, and the reel wheel 32 drives the reel chains 31 to rotate. In order to feed the corn straws into the straw cutting mechanism 2 better, the straw feeding mechanism 3 further comprises a guide chain 33 positioned between the reel chain 31 and each group of ear-picking pair rollers 40, the two ends of each group of ear-picking pair rollers 40 in the length extension direction are respectively provided with the guide chain 33, the guide chains 33 are arranged on guide chain rotating wheels, the guide chain rotating wheels are arranged on the header frame 1, and the guide chain rotating wheels are driven by a power device.

In this embodiment, the first snapping roll 401 and/or the second snapping roll 402 are/is height-adjustable and are disposed on the header frame 1. So as to adjust the size of the gap between the first snapping roll 401 and the second snapping roll 402 according to the sizes of different corn ears and corn stalks.

In this embodiment, the straw cutting mechanism 2 is a reciprocating cutter, but a ground hob or other device capable of cutting off straw and suitable for being mounted on the header may also be used, and the straw cutting mechanism 2 is disposed below the straw feeding mechanism 3.

In this embodiment, the ear conveying mechanism 5 is a conveyor belt, and may be a chain rake type treadmill or other devices capable of conveying the ears of corn picked by the ear picking mechanism away from the header of the corn harvester, the ear conveying mechanism 5 is disposed below the ear picking mechanism 4, and one end of the ear conveying mechanism 5 is provided with a transfer conveying mechanism for conveying the ears of corn to the peeling machine or the ear box.

In this embodiment, a straw conveying mechanism 7 is arranged between the hay cutter 6 and the ear picking mechanism 4, the straw conveying mechanism 7 comprises a conveying passage and a plurality of conveying rollers located in the conveying passage, one end of the straw conveying mechanism 7 is communicated with the rear end of the ear picking mechanism 4, and the other end of the straw conveying mechanism is communicated with a feed inlet of the hay cutter 6. The corn stalks separated from the corn ears enter a hay cutter 6 through a stalk conveying mechanism 7.

In this embodiment, the first snapping roll 401 and the second snapping roll 402 are arranged in parallel. Of course, it is also possible to arrange in such a way that the horizontal plane of the first snapping roll 401 is parallel to the horizontal plane of the second snapping roll 402.

On the other hand, the invention also discloses a corn harvester which comprises the cutting table of the corn harvester, wherein the cutting table of the corn harvester is arranged on the body of the corn harvester.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions are considered to be within the protective scope of the present invention.