CN115885683A

CN115885683A - Cutting table

Info

Publication number: CN115885683A
Application number: CN202310011857.2A
Authority: CN
Inventors: 张军朋; 李小坡; 贾艺; 杨亚帆
Original assignee: Changzhou Changfa Heavy Industry Technology Co ltd; Jiangsu Changfa Agricultural Equipment Co Ltd
Current assignee: Changzhou Changfa Heavy Industry Technology Co ltd; Jiangsu Changfa Agricultural Equipment Co Ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-04-04
Anticipated expiration: 2043-01-05
Also published as: CN115885683B

Abstract

The invention provides a header, comprising: the upper cutting table comprises a divider assembly, the divider assembly comprises a left divider and a right divider which are positioned on two sides of the cutting table, the lower cutting table is positioned below the upper cutting table, a cutter is arranged at the bottom of the front end of the lower cutting table, a first divider and a second divider are respectively arranged on two sides of the front end of the lower cutting table, and the first divider and the second divider are respectively positioned on two sides of the cutter in the length direction; under the matching and gathering action of the crop divider assembly, the first crop dividing part and the second crop dividing part, the ears enter the upper header, and the stalks are cut off by the cutter and enter the lower header. According to the crop dividing device, the first crop dividing part and the second crop dividing part are respectively arranged on two sides of the front end of the lower cutting table, and crops on two sides of the cutting table are divided under the cooperation of the crop dividing device assembly.

Description

Cutting table

Technical Field

The invention belongs to the technical field of harvesters, and particularly relates to a header.

Background

Our country is a big agricultural country, corn is the second crop in our country, and corn has the attributes of grains, feed and industrial raw materials, and the basic status in national economy is self-evident. The current market mainstream corn harvesting machinery mainly adopts special machinery, namely, an ear harvesting machinery, a seed harvesting machinery, a green feed harvesting machinery and the like.

Aiming at the corn harvesting operation, the types of the fruit ears and the stalks which are harvested simultaneously are few, most of the current ear-stalk harvesting harvesters have the defects of low harvesting efficiency and poor harvesting quality, and the specific expression is as follows: when the operation, the stalk that is located header both sides annex often can appear that the upper portion gets into the upper header and the lower part is in the outside of lower floor's header, fails with the cutting knife contact, can not be cut off to the stalk on both sides can not carry out normal harvesting, can lead to that the header blocks up, the stalk feeding is inhomogeneous, throw out the stalk and contain a series of problems such as a large amount of earth.

In the prior art. Therefore, there is a need for a header that overcomes the above-mentioned disadvantages.

Disclosure of Invention

The invention aims to provide a header.

According to an aspect of the present invention, there is provided a header, comprising:

the upper cutting table comprises a nearside divider assembly, and the nearside divider assembly comprises a left nearside divider and a right nearside divider which are positioned on two sides of the cutting table;

the lower cutting table is positioned below the upper cutting table, a cutter is arranged at the bottom of the front end of the lower cutting table, a first seedling dividing piece and a second seedling dividing piece are respectively arranged on two sides of the front end of the lower cutting table, and the first seedling dividing piece and the second seedling dividing piece are respectively positioned on two sides of the cutter in the length direction;

under the matching and gathering action of the crop divider assembly, the first crop dividing part and the second crop dividing part, the ears enter the upper header, and the stalks are cut off by the cutter and enter the lower header.

Preferably, the header includes the header frame, the header frame includes relative left side board and the right side board that sets up and backplate and bottom plate between left side board and right side board, the cutterbar sets up in the front end of bottom plate, first branch standing grain piece locate the front end of left side board and with the left side divider corresponds the setting from top to bottom, the second divide standing grain piece locate the front end of right side board and with the right side divider corresponds the setting from top to bottom.

Preferably, the first seedling dividing part comprises a first seedling dividing end located at the foremost end and used for dividing and gathering crops and a first guide surface extending backwards from the first seedling dividing end and inclined towards the right side plate, and the second seedling dividing part comprises a second seedling dividing end located at the foremost end and used for dividing and gathering the crops and a second guide surface extending backwards from the second seedling dividing end and inclined towards the left side plate.

Preferably, the left crop divider extends forwards while extending leftwards, the right crop divider extends forwards while extending rightwards, the foremost end of the left crop divider is located in front of the first crop dividing end and the foremost end of the left crop divider is located on the left side of the first crop dividing end, the foremost end of the right crop divider is located in front of the second crop dividing end and the foremost end of the right crop divider is located on the right side of the second crop dividing end.

Preferably, the first seedling dividing part further comprises a first fixed end fixed to the header frame, the second seedling dividing part further comprises a second fixed end fixed to the header frame, the first seedling dividing part extends forwards from the first fixed end, the first seedling dividing end is located on the left side of the plane where the left side plate is located, the second seedling dividing part extends forwards from the second fixed end, and the second seedling dividing end is located on the right side of the plane where the right side plate is located.

Preferably, the header frame is still including locating the left crossbeam at left side board top and locating the right crossbeam at right side board top, first branch standing grain piece comprises the first standing grain board that is fixed in the left first standing grain board of left side board and the second standing grain board that is fixed in the left side board right side, the front end of first standing grain board and the front end interconnect of second standing grain board form first branch standing grain end, the rear end that first standing grain board and second were divided standing grain board all is fixed with the left crossbeam, first spigot surface is located the second and divides standing grain board.

Preferably, the bottoms of the first seedling dividing plate and the second seedling dividing plate are respectively provided with an avoiding port for avoiding the cutter.

Preferably, a swing ring box is arranged on the right side of the right side plate, the second seedling dividing pieces are fixed with the swing ring box, and the second seedling dividing pieces are gradually gathered forwards from the swing ring box to be arranged in a V shape.

Preferably, be equipped with the bracing piece that is used for adjusting header and header difference in height between header and the header down, the second divides the standing grain board including be used for with the fixed first mounting of left crossbeam and be used for with the fixed second mounting of first branch standing grain board, first mounting is from dividing standing grain board top around the setting of left crossbeam, first branch standing grain board is equipped with the opening that is used for adjusting the bracing piece height.

Preferably, the front end of the left side plate is provided with a connecting seat for connecting a supporting rod, the connecting seat is positioned between the first seedling separating plate and the second seedling separating plate, the supporting rod is rotatably connected with the connecting seat through a pin shaft, and the pin shaft penetrates through the first seedling separating plate and the second seedling separating plate.

Compared with the prior art, the header provided by the invention has the following beneficial effects:

the two sides of the front end of the lower cutting table are respectively provided with a first seedling dividing part and a second seedling dividing part, and under the matching of the lower cutting table and the seedling divider assembly, crops on the two sides of the cutting table are divided. The upper part of the crop is gathered to the upper header under the action of the left divider and the right divider, then the ears enter the upper header, and then the lower part of the crop is gathered under the action of the first dividing part and the second dividing part on the basis that the upper part of the crop is already gathered, and then the stalks are cut off by the cutter and enter the lower header. When accomplishing the synchronous harvesting of ear of grain and stem stalk, avoided the crops upper portion to divide and get into the header after holding together, and the lower part then is located header both sides outside down, can't be by the emergence of the phenomenon of cutterbar cutting, and then has avoided the emergence of the header jam phenomenon that causes from this.

Drawings

The invention is described in further detail below with reference to the following figures and embodiments:

fig. 1 is a perspective view of a header of the present invention;

fig. 2 is a front view of the header of the present invention;

FIG. 3 is a bottom view of the header of the present invention;

FIG. 4 is a first perspective view of the lower header of the present invention;

fig. 5 is a second perspective view of the lower header of the present invention;

FIG. 6 is a top view of the lower header of the present invention;

fig. 7 is a perspective view of the first seedling dividing member of the present invention;

fig. 8 is a perspective view of a first straw-dividing board of the present invention;

fig. 9 is a perspective view of a second seedling-dividing plate of the present invention;

fig. 10 is a perspective view of a second seedling dividing member of the present invention;

fig. 11 is a partial perspective view of a lower header of the present invention.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically 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.

In addition, in the description of the present application, the terms "first," "second," and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, without inventive effort, other drawings and embodiments can be derived from them.

Referring to fig. 1 and 2, a header includes an upper header 100 and a lower header 200 disposed below the upper header 100. The header 100 includes a crop divider assembly 1, and the crop divider assembly 1 includes a left crop divider 11, a right crop divider 12, and an intermediate crop divider 13 located between the left crop divider 11 and the right crop divider 12. The lower cutting table 200 comprises a cutting table frame 2, wherein the front end of the cutting table frame 2 is provided with a first seedling dividing part 3 corresponding to the left seedling divider 11, and a second seedling dividing part 4 corresponding to the right seedling divider 12.

The left divider 11 extends forward and extends leftward, and the right divider 12 extends forward and extends rightward. The left divider 11 and the right divider 12 show a gradual expansion trend, and the middle divider 13 extends straight forward.

Referring to fig. 4 and 5, the header frame 2 includes left and

right side plates

21 and 22 disposed opposite to each other, a rear plate 23 and a bottom plate 24 disposed between the left and

right side plates

21 and 22, and a left cross member 25 disposed at the top of the left side plate 21 and a right cross member 26 disposed at the top of the right side plate 22, respectively. The front end of the bottom plate 24 is provided with a cutter 5 for cutting crop stalks, and an auger (not marked in the figure) is arranged above the bottom plate 24 and between the left side plate 21 and the right side plate 22. The right side of the right side plate 22 is provided with a swing ring box 6 connected with a cutter 5, and the cutter 5 performs reciprocating cutting motion along the axial direction of the auger under the control of the swing ring box 6.

Under the matching gathering action of the crop divider assembly 1, the first dividing part 3 and the second dividing part 4, the ears enter the upper header 100, and the stalks are cut off by the cutter 5 and enter the lower header 200.

Referring to fig. 1, 3, 4 and 5, the first seedling dividing piece 3 is arranged at the front end of the left side plate 21 and fixed with the left cross beam 25, and the second seedling dividing piece 4 is arranged at the front end of the right side plate 22 and fixed with the swing ring box 6. The first seedling dividing part 3 and the second seedling dividing part 4 are respectively positioned at two sides of the length direction of the cutter 5. The first seedling dividing part 3 is positioned below the left seedling divider 11, and the second seedling dividing part 4 is positioned below the right seedling divider 12. The bottoms of the first seedling dividing part 3 and the second seedling dividing part 4 are both provided with avoidance ports 7 for avoiding the cutter 5.

The first seedling dividing member 3 includes a first fixed end 31 fixed to the header frame 2, a first seedling dividing end 32 located at the foremost end of the first seedling dividing member 3 for dividing and gathering crops, and a first guide surface 35 extending rearward from the first seedling dividing end 32 and inclined toward the right side plate 22. The second seedling dividing member 4 comprises a second fixed end 41 fixed with the header frame 2, a second seedling dividing end 42 positioned at the foremost end of the second seedling dividing member 4 and used for dividing crops, and a second guide surface 43 extending backwards from the second seedling dividing end 42 and inclined towards the left side plate 21. The first seedling-dividing part 3 extends forwards from the first fixed end 31, the first seedling-dividing end 32 is positioned on the left side of the plane of the left side plate 21, the second seedling-dividing part 4 extends forwards from the second fixed end 41, and the second seedling-dividing end 42 is positioned on the right side of the plane of the right side plate 22.

The distance between the foremost end of the left divider 11 and the foremost end of the right divider 12 is greater than the transverse horizontal distance between the first and second cutting ends 32, 42, i.e. the horizontal distance along the length of the cutter 5. The foremost end of the left crop divider 11 is located in front of the first crop dividing end 32 and the foremost end of the left crop divider 11 is located on the left side of the first crop dividing end 32. The foremost end of the right crop divider 12 is located in front of the second crop dividing end 42 and the foremost end of the right crop divider 12 is located on the right side of the second crop dividing end 42.

The horizontal distance between the foremost end of the left divider 11 and the first dividing end 32 is 20-30 mm, and the horizontal distance between the foremost end of the right divider 12 and the second dividing end 42 is 20-30 mm. In other embodiments, the horizontal distance between the front end of the left divider 11 and the first dividing end 32 and the horizontal distance between the front end of the right divider 12 and the second dividing end 42 are not limited to 20-30 mm according to actual working conditions, and can be changed according to actual conditions to achieve the best harvesting efficiency.

Referring to fig. 6 and 7, the first seedling dividing element 3 is composed of a first seedling dividing plate 33 fixed to the left side of the left side plate 21 and a second seedling dividing plate 34 fixed to the right side of the left side plate 21. The front end of the first seedling dividing plate 33 and the front end of the second seedling dividing plate 34 are connected to form the first seedling dividing end 32, and the rear ends of the first seedling dividing plate 33 and the second seedling dividing plate 34 are fixed with the left cross beam 25 to form a first fixed end 31. The avoiding openings 7 are formed in the bottoms of the first seedling dividing plate 33 and the second seedling dividing plate 34 and used for avoiding the arrangement of the cutter 5 and avoiding interference on the arrangement and movement of the cutter 5.

Referring to fig. 8, the first dividing plate 33 includes a dividing fixing plate 331 for fixing with the second dividing plate 34, a first main body plate 332 bent obliquely extending rearward from the dividing fixing plate 331, and a mounting plate 333 bent extending rearward from the first main body plate 332. The second branch plate 34 includes a guide plate 341 fixed to the branch fixing plate 331 and extending obliquely to the right side plate 22, and a second main body plate 342 extending vertically bent rearward from the guide plate 341. The first guide surface 35 is located on the guide plate 341 and is such that, in operation, the guide plate 341 contacts the crop and gathers the outer surface of the crop stalks inwardly.

Referring to fig. 9, the second seedling-dividing plate 34 further includes a first fixing part 343 provided at the top of the rear end of the second body plate 342 and a second fixing part 344 provided at the bottom of the front end of the second body plate 342. The first fixing member 343 is fixed to the mounting plate 333 and the left cross member 25, and the second fixing member 344 is fixed to the first body plate 332. The first fixed member 343 is disposed around the left cross member 25, and the first fixed member 343 includes a first horizontal plate 3431 extending horizontally from the top of the second main body plate 342 to the side of the mounting plate 333 and a first vertical plate 3432 extending vertically downward from the first horizontal plate 3431. The first riser 3432 is located to the left of the first dividing board 33.

The second fixing member 344 includes a second horizontal plate 3441 extending horizontally from the bottom of the second body plate 342 to the side of the mounting plate 333, and a second vertical plate 3442 extending vertically upward from the second horizontal plate 3441. The second riser 3442 is located to the right of the first dividing floor 33.

The first cross plate 3431 has a first through hole 81 for fixing with the left cross member 25, and the first vertical plate 3432 has a second through hole 82 for fixing with the mounting plate 333 and the left cross member 25. The second vertical plate 3442 is provided with a third through hole 83 for fixing with the first body plate 332. The first grain dividing plate 33 includes a fourth through hole 84 for fixing with the left cross beam 25 and the first vertical plate 3432, and a fifth through hole 85 for fixing with the second vertical plate 3442. The fourth through hole 84 is provided corresponding to the second through hole 82, and the fifth through hole 85 is provided corresponding to the third through hole 83.

Referring to fig. 10, the second seedling dividing part 4 is fixed with the swinging ring box 6 and is positioned at the front end of the swinging ring box 6. The second seedling dividing piece 4 gradually gathers forwards from the second fixed end 41 to form a V-shaped arrangement. The second guide surface 43 is the outer surface of the second seedling dividing member 4 which contacts with the crops and gathers the crop stalks inwards when in work. The second seedling dividing member 4 is formed by bending a plate, in other embodiments, the second seedling dividing member 4 may also be formed by two plates, one end of each of the two plates is fixed to each other to form a second seedling dividing end 42, and the other end is fixed to the swing ring box 6 to form a second fixed end 41 of the second seedling dividing member 4.

Referring to fig. 1 and 11, a support bar 91 for adjusting a height difference between the upper header 100 and the lower header 200 is disposed between the upper header 100 and the lower header 200, an opening 334 for adjusting a height of the support bar 91 is disposed on the first straw dividing plate 33, and a specific installation position of the opening 334 is determined according to an adjustable position of the support bar 91.

The front end of the left side plate 21 is provided with a connecting seat 92 for fixing the supporting rod 91, and the connecting seat 92 is located between the first straw dividing plate 33 and the second straw dividing plate 34. The supporting rod 91 is rotatably connected with the connecting seat 92 through a pin shaft, the pin shaft penetrates through the first seedling dividing plate 33 and the second seedling dividing plate 34 while connecting the supporting rod 91 with the connecting seat 92, and the first seedling dividing plate 33 and the second seedling dividing plate 34 are fixed on two sides of the connecting seat 92.

When the crops are harvested, the crops on two sides in front of the cutting table are firstly contacted with the divider assembly 1 and then contacted with the first crop dividing piece 3 and the second crop dividing piece 4. Firstly, the upper part of the crops is gathered to the header 100 under the action of the left divider 11 and the right divider 12, then the lower part of the crops is gathered under the action of the first dividing part 3 and the second dividing part 4 on the basis that the upper part of the crops is gathered, and then the crops are cut by the cutter 5, and the synchronous harvesting of the ears and the stalks is completed. The upper part of the crop is prevented from entering the upper header 100 after being gathered together, the lower part of the crop is positioned outside two sides of the lower header 200 and cannot be cut by the cutter 5, and the phenomenon that the upper header is blocked by the stalks caused by the upper header is avoided.

It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims

1. A header, comprising:

under the matching and gathering action of the crop divider assembly, the first dividing part and the second dividing part, the ears enter the upper header, and the stalks are cut off by the cutter and enter the lower header.

2. The header of claim 1, wherein the header comprises a header frame, the header frame comprises a left side plate and a right side plate which are arranged oppositely, and a back plate and a bottom plate which are arranged between the left side plate and the right side plate, the cutter is arranged at the front end of the bottom plate, the first seedling dividing piece is arranged at the front end of the left side plate and is arranged corresponding to the left seedling divider up and down, and the second seedling dividing piece is arranged at the front end of the right side plate and is arranged corresponding to the right seedling divider up and down.

3. The header of claim 2, wherein the first crop dividing member includes a first crop dividing end at a forward most end for dividing crop and a first guide surface extending rearwardly from the first crop dividing end and inclined toward the right side plate, and the second crop dividing member includes a second crop dividing end at the forward most end for dividing crop and a second guide surface extending rearwardly from the second crop dividing end and inclined toward the left side plate.

4. A header as claimed in claim 3 wherein the left crop divider extends forwardly while extending leftwardly, the right crop divider extends forwardly while extending rightwardly, the forwardmost end of the left crop divider being located forward of the first crop dividing end and the forwardmost end of the left crop divider being located to the left of the first crop dividing end, the forwardmost end of the right crop divider being located forward of the second crop dividing end and the forwardmost end of the right crop divider being located to the right of the second crop dividing end.

5. A header as claimed in claim 4, wherein the first crop dividing member further comprises a first fixed end secured to the header frame, the second crop dividing member further comprises a second fixed end secured to the header frame, the first crop dividing member extends forwardly from the first fixed end and the first crop dividing end is located to the left of the plane of the left side plate, the second crop dividing member extends forwardly from the second fixed end and the second crop dividing end is located to the right of the plane of the right side plate.

6. A header as claimed in claim 5, wherein the header frame further comprises a left cross beam at the top of the left side plate and a right cross beam at the top of the right side plate, the first crop dividing member is composed of a first crop dividing plate fixed to the left side of the left side plate and a second crop dividing plate fixed to the right side of the left side plate, the front ends of the first crop dividing plate and the second crop dividing plate are connected with each other to form the first crop dividing end, the rear ends of the first crop dividing plate and the second crop dividing plate are both fixed to the left cross beam, and the first guide surface is located on the second crop dividing plate.

7. The header of claim 6, wherein the bottoms of the first and second dividing plates are provided with an avoidance port for avoiding the cutter.

8. The header of claim 7, wherein a swing ring box is arranged on the right side of the right side plate, the second seedling dividing members are fixed with the swing ring box, and the second seedling dividing members gradually gather forwards from the swing ring box and are arranged in a V shape.

9. A header as claimed in claim 6, wherein a support bar is provided between the header and the lower header for adjusting the height difference between the header and the lower header, the second dividing plate includes a first fixing member for fixing to the left beam and a second fixing member for fixing to the first dividing plate, the first fixing member is disposed around the left beam from the top of the second dividing plate, and the first dividing plate is provided with an opening for adjusting the height of the support bar.

10. The header of claim 9, wherein a connecting seat for connecting a support rod is provided at a front end of the left side plate, the connecting seat is located between the first straw dividing plate and the second straw dividing plate, the support rod is rotatably connected to the connecting seat through a pin shaft, and the pin shaft penetrates through the first straw dividing plate and the second straw dividing plate.