CN108934413A

CN108934413A - Chopping device assembly and combine harvester for combine harvester

Info

Publication number: CN108934413A
Application number: CN201710357040.5A
Authority: CN
Inventors: 付宝松; 李军榜; 王国强; 林政伟; 肖西蒙
Original assignee: John Deere Tianjin Co Ltd
Current assignee: John Deere Tianjin Co Ltd
Priority date: 2017-05-19
Filing date: 2017-05-19
Publication date: 2018-12-07
Anticipated expiration: 2037-05-19
Also published as: CN108934413B

Abstract

The present invention discloses a kind of chopping device assembly and combine harvester for combine harvester, wherein, the chopping device assembly includes: Lysimachia sikokiana roller, the Lysimachia sikokiana roller can be rotated around first axle, the Lysimachia sikokiana roller is received through combine harvester threshing treated crop stem, and the crop stem is dished out to the rear of harvester；Chopper, the chopper include: left side wall and right side wall, the chopper roller between the left side wall and right side wall are arranged in, and the multiple chopping blade being set on the chopper roller；The chopper roller can be rotated around second axis, and the second axis is parallel to the first axle and is located at the back lower place of the first axle；Upper splicing plate, the upper splicing plate can guide at least part for the crop stem dished out by the Lysimachia sikokiana roller to the chopper to be cut off by the chopping blade.Shedding in the present invention for the chopping device assembly of combine harvester and the material of combine harvester is more uniform.

Description

Chopping device assembly and combine harvester for combine harvester

Technical field

The present invention relates to field of agricultural machinery more particularly to a kind of chopping device assembly and joint for combine harvester to receive Cutting mill.

Background technique

Currently, combine harvester should be equipped with straw chopper under national policy laws and regulations requirement, to realize stalk returning to the field It is required that.In general, straw chopper is located at the rear of the threshing unit of combine harvester, the stem of plant after receiving simultaneously chop-thresher Stalk.

Existing straw chopper may be selected directly after chopping after shredding crop stem according to the classification of crop stem It sheds in field, or push to rear shed device.

Summary of the invention

It finds in use, poor, the crop stem degree of grinding of shedding uniformity coefficient of existing combine harvester It is poor；Through inventor's foundation many years the study found that existing chopper is directly installed on the rear of detachment roller, while undertaking and cutting Broken material (crop stem) and the work for pushing material backward.And chopper sheds material since self structure limits backward Distance it is limited so as to stay aloft the time shorter for material, cause the corresponding landing of material to be limited in scope, so that stalk be caused to throw It is poor to spread uniformity coefficient.

Simultaneously as the limitation of drive mechanism of existing chopper itself and installation space, can not be arranged can be shredded Device provides high-revolving speed increasing mechanism, causes the revolving speed of chopper lower, causes stalk disintegrating degree not ideal enough.

In view of above-mentioned deficiency, it is necessary to provide a kind of for the chopping device assembly of combine harvester and combining by the present invention Machine, can at least solve one of problem above.

Chopping device assembly of the invention includes: Lysimachia sikokiana roller, and the Lysimachia sikokiana roller can be rotated around first axle, the Lysimachia sikokiana roller It receives through combine harvester threshing treated crop stem, and the crop stem is dished out to the rear of harvester；

Chopper, the chopper include: left side wall and right side wall, and cutting between the left side wall and right side wall is arranged in Millstone roller, and the multiple chopping blade being set on the chopper roller；The chopper roller can be revolved around second axis Turn, the second axis is parallel to the first axle and is located at the back lower place of the first axle；

Upper splicing plate, the upper splicing plate can guide at least part for the crop stem dished out by the Lysimachia sikokiana roller To the chopper to be cut off by the chopping blade.

As a preferred embodiment, the upper splicing plate has forward edge, posterior edges and left side edge And right side edge, wherein the forward edge is parallel with the first axle, and it is located at the top of the first axle.

As a preferred embodiment, the forward edge is less than or equal to away from the horizontal distance of the first axle The diameter of the Lysimachia sikokiana roller.

As a preferred embodiment, the forward edge is greater than or equal to away from the vertical distance of the first axle The radius of Lysimachia sikokiana roller.

As a preferred embodiment, the upper splicing plate includes front part, middle section and rear section； The front part and the rear section are slab construction, and the middle section is twisted plate structure.

As a preferred embodiment, the posterior edges are parallel with the second axis, and it is located at described the The front upper place of two axis.

As a preferred embodiment, the posterior edges are greater than or equal to away from the horizontal distance of the second axis The one third of the radius of the chopper, vertical distance of the posterior edges away from the second axis are greater than or equal to chopping The radius of device.

As a preferred embodiment, further include:

Lower splicing plate, the lower splicing plate can accept the crop stem from the Lysimachia sikokiana roller, and by the stem of plant Stalk is guided to the chopper.

As a preferred embodiment, the lower splicing plate, which has, is curled at least partly cylindric front end, And the main part positioned at the front end rear；The main part is slab construction；The axis of at least partly cylinder It is parallel to the second axis, and is located at the front upper place of the second axis.

As a preferred embodiment, the radius of at least partly cylinder is at least 10 millimeters.

As a preferred embodiment, the radius of at least partly cylinder is at least 20 millimeters.

As a preferred embodiment, the main part is inclined relative to horizontal setting, the main part Angle between horizontal plane is greater than or equal to 20 degree.

As a preferred embodiment, the horizontal distance of the axis of at least partly cylinder and the second axis Greater than the radius of the chopper.

As a preferred embodiment, the vertical distance of the axis of at least partly cylinder and the second axis Less than the diameter of the chopper.

As a preferred embodiment, the rear end of the axis of at least partly cylinder and the upper splicing plate away from From the radius for being greater than or equal to the chopper.

As a preferred embodiment, Lysimachia sikokiana roller notch board is provided with below the Lysimachia sikokiana roller, the Lysimachia sikokiana roller Notch board has grid configuration to allow crop kernel to fall.

As a preferred embodiment, being additionally provided with conveying between the Lysimachia sikokiana roller notch board and the lower splicing plate Band；Part can be delivered to the chopper by the crop stem that the Lysimachia sikokiana roller is dished out by rotating by the conveyer belt.

As a preferred embodiment, being additionally provided with the concave extension being connected with the rear end of the Lysimachia sikokiana roller notch board Plate；The concave extension has leading edge and rear, and the rear is located at the up-front back upper place；Concave extension tool There is smooth upper surface, and the angle of the upper surface and horizontal plane is 10 degree to 20 degree.

As a preferred embodiment, the rear of the concave extension is parallel to the first axle, the rear It is greater than the radius of the Lysimachia sikokiana roller with the horizontal distance of the first axle.

As a preferred embodiment, the rear of the concave extension and the horizontal distance of the first axle are big In the diameter of the Lysimachia sikokiana roller.

As a preferred embodiment, the chopping blade is installed in rotation on the chopper roller.

As a preferred embodiment, the chopper further includes that the front lower place of the chopper roller is arranged in determine Knife knife bar, the length direction of the stationary knife knife bar is parallel to the second axis, and equally spaced sets on the stationary knife knife bar It is equipped with multiple stationary knife blades；When the chopper roller is driven to rotate, which moves the chopping blade rotation warp Cross the gap between the stationary knife blade.

As a preferred embodiment, the chopping device assembly further includes stationary knife knife bar regulating device, the stationary knife knife Post adjustment mechanism includes rotary shaft and installation frame, and the stationary knife knife bar is mounted on the installation frame and can be described The rotary shaft rotation is surrounded under the drive of installation frame, and then adjusts the opposite position between the stationary knife knife bar and second axis It sets.

As a preferred embodiment, the chopper also has upper cover plate, the upper cover plate is located at the left side Between wall and right side wall, and the front end of the upper cover plate is connected with the upper splicing plate.

As a preferred embodiment, it is convex to form the oriented chopper roller outstanding first on the upper cover plate It rises, which extends along the direction for being parallel to the second axis.

As a preferred embodiment, the chopper also has lower cover plate, the lower cover plate is located at the left side Between wall and right side wall, and the front end of the lower cover plate is connected with the lower splicing plate.

As a preferred embodiment, it is convex to form the oriented chopper roller outstanding second on the lower cover plate It rises, which extends along the direction for being parallel to the second axis.

As a preferred embodiment, the chopping device assembly further includes shedding positioned at the chopper rear Device, this is shed upper directing plate of the device with left plate, right side plate and the connection left plate and right side plate, draws on described Multiple guide blades are installed, for guiding crop stem chopped rearward to shed out on guide plate.

As a preferred embodiment, the rear end of the left side wall of the chopper is fixedly mounted with left connection board, The left connection board has the first long hole；

The left plate for shedding device has left pin shaft, which is inserted into first long hole；The left side wall On be rotatably provided left limit part, which has the first recess, and first recess is for accommodating the left pin shaft；

The rear end of the right side wall of the chopper is fixedly mounted with right connection board, which has the second long hole；

The right side plate for shedding device has a right pin shaft, right pin shaft setting coaxial with the left pin shaft, and the right pin shaft is slotting Enter into second long hole；Right limit part is rotatably provided on the right side wall, which has the second recess, Second recess is for accommodating the right pin shaft.

Device position adjustment structure is shed as a preferred embodiment, being additionally provided with, it is described to shed the adjusting of device position Structure includes,

It is separately positioned on the elongated slot shed on the left plate and right side plate of device；

The adjusting bolt being separately positioned on the left side wall and right side wall of the chopper；And

The adjusting nut matched with adjusting bolt；The adjusting bolt is accommodated in the elongated slot and guides the throwing Device is spread around the left pin shaft and the right pin shaft rotation.

A kind of combine harvester, wherein the combine harvester includes:

Walking component for making the combine harvester walk；

For gathering in the harvesting component of crop；

Conveying assembly for conveying the crop under harvesting backward；

For receiving from the next crop of conveying assembly conveying and carrying out the threshing and cleaning component of threshing and cleaning processing； And

Chopping device assembly described in any embodiment as above.

As a preferred embodiment, the threshing and cleaning component includes tail sheet, the rear end of the tail sheet is in level On direction between the first axle and second axis.

As a preferred embodiment, the front end of the lower splicing plate of the chopping device assembly extends to the tail sheet Lower section, and close to the lower surface of the tail sheet.

As a preferred embodiment, the front end of the lower splicing plate of the rear end of the tail sheet and the chopping device assembly Distance in the horizontal direction is greater than 200mm.

As a preferred embodiment, before the rear end of the tail sheet is higher than the lower splicing plate of the chopping device assembly End.

As a preferred embodiment, the tail sheet tilts extension from front lower place rearwardly and upwardly, the tail sheet prolongs Long line is higher than the front end of the lower splicing plate of the chopping device assembly.

As a preferred embodiment, the combine harvester has left organism sidewall and right organism sidewall, it is described The left side wall of chopper is installed to the left organism sidewall by the first slipway bracket, and the right side wall passes through the second slipway bracket It is installed to the right organism sidewall, to allow the chopper to slide.

As a preferred embodiment, second slipway bracket is symmetrically set with first slipway bracket It sets；Also,

First slipway bracket includes:

Left body lateral bracket, the left body lateral bracket are mounted on the left organism sidewall；

Left cut millstone lateral bracket, the left cut millstone lateral bracket are mounted on the chopper left side wall；

Second slipway bracket includes:

Right body lateral bracket, the right body lateral bracket are mounted on the right organism sidewall；

Right cut millstone lateral bracket, the right cut millstone lateral bracket are mounted on the chopper right side wall.

As a preferred embodiment, the left body lateral bracket has the first bending bent to body side Portion, the left cut millstone lateral bracket have the second bending part bent towards the body other side, when the chopper is in installation When position, second bending part in first bending part top and by second bending part support；

The right body lateral bracket has the third bending part bent to body side, and the right cut millstone lateral bracket has Towards the body other side bend the 4th bending part, when the chopper is in installation site, the 4th bending part in The top of the third bending part is simultaneously supported by the third bending part.

As a preferred embodiment, first bending part and the second bending part are respectively provided with multiple bolts hole, To allow bolt to pass through and fix；

The third bending part and the 4th bending part are respectively provided with multiple bolts hole, to allow bolt to pass through and fix.

As a preferred embodiment, the combine harvester includes and coaxial mounted first skin of the Lysimachia sikokiana roller Belt wheel, first belt pulley is for driving the Lysimachia sikokiana roller to rotate.

As a preferred embodiment, further include with coaxial mounted second belt pulley of the chopper roller, this Two belt pulleys are for driving the chopper roller to rotate.

As a preferred embodiment, the diameter of first belt pulley is greater than the diameter of the second belt pulley, it is described First belt pulley drives second belt pulley by belt.

The Lysimachia sikokiana roller that chopping device assembly in the present invention is separated by setting with chopper, meanwhile, Lysimachia sikokiana roller is by backward It dishes out so that crop stem enters chopper, throwing returning is then carried out after chopper shreds or is delivered to shedding for rear Device, it can be seen that the aerial duration that can extend crop stem using chopping device assembly of the invention promotes the throwing of crop stem Distance is spread, so that material distribution is more uniform.

Referring to following description and accompanying drawings, only certain exemplary embodiments of this invention is disclosed in detail, specifies original of the invention Reason can be in a manner of adopted.It should be understood that embodiments of the present invention are not so limited in range.In appended power In the range of the spirit and terms that benefit requires, embodiments of the present invention include many changes, modifications and are equal.

The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more It uses in a other embodiment, is combined with the feature in other embodiment, or the feature in substitution other embodiment.

It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those skilled in the art without any creative labor, can be with root Other attached drawings are obtained according to these attached drawings.

Fig. 1 is the combine harvester partial structure diagram that one embodiment of the present invention provides；

Fig. 2 is the chopper component structure diagram in Fig. 1；

Fig. 3 is chopper in Fig. 2 and sheds device structural schematic diagram；

Fig. 4 is the chopper structural schematic diagram in Fig. 1；

Fig. 5 is chopper scheme of installation in Fig. 1；

Fig. 6 is the first slipway bracket structural schematic diagram in Fig. 5.

Specific embodiment

Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without making creative work, all should belong to guarantor of the present invention The range of shield.

It should be noted that it can directly on the other element when element is referred to as " being set to " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.

Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more Any and all combinations of relevant listed item.

In the present invention, typical combine harvester has the walking component for making the combine harvester walk, and is located at The harvester front and the harvesting component for being used to gather in crop, the conveying assembly that the crop under harvesting is conveyed backward receive Crop from conveying assembly conveying and the threshing and cleaning component for carrying out threshing and cleaning processing, and to the stem of plant after threshing The chopping device assembly that stalk is crushed.Chopping device assembly of the invention can be used on above-mentioned combine harvester.

It is understood that combine harvester has specific direction of advance, correspondingly, as used in the present invention " preceding " " rear " " front " " rear " is in combine harvester present position (ratio all in accordance with the direction of advance of combine harvester or people As being located in driver's cabin) and defined towards the front-rear direction when standing of the direction of advance of combine harvester.Meanwhile in the present invention Used in " left side " " right side " " left " " right " be similarly according to people be in combine harvester present position (such as be located at drive It is indoor) and defined towards the left and right directions when standing of the direction of advance of combine harvester.In addition, combine harvester reversing or Direction of travel in the case of retroversion and above-mentioned direction of advance on the contrary, and, height relationship described in the present invention is with reference to perpendicular Histogram is obtained to (or gravity direction, plummet direction).

Fig. 1 to Fig. 6 is please referred to, one embodiment of the present invention provides a kind of chopping device assembly for combine harvester, It include: Lysimachia sikokiana roller 200, the Lysimachia sikokiana roller 200 can be rotated around first axle, which receives through combine harvester Threshing treated crop stem, and the crop stem is dished out to the rear of harvester；Chopper 300, the chopping Device 300 includes: left side wall 320 and right side wall, the chopper roller being arranged between the left side wall 320 and right side wall (not shown) 301, and the multiple chopping blade 301 being set on the chopper roller 301；The chopper roller 301 can surround second Axis rotation, the second axis are parallel to the first axle and are located at the back lower place of the first axle；Upper splicing plate 400, the upper splicing plate 400 can guide at least part for the crop stem dished out by the Lysimachia sikokiana roller 200 to described Chopper 300 by the chopping blade 301 to be cut off.

When using above-mentioned chopping device assembly, above-mentioned chopping device assembly can be installed on the threshing component of combine harvester Rear, to receive the crop stem after threshing.By threshing, treated that crop stem is delivered to this in operation for combine harvester Device assembly is shredded, Lysimachia sikokiana roller 200 is dished out through the crop stem, and crop stem enters in chopper 300 after dishing out to be crushed, so Afterwards by chopper 300 by the crop stem throwing returning after chopping, or be delivered to rear shed device 500.

Chopping device assembly in present embodiment, which passes through, is arranged the Lysimachia sikokiana roller 200 isolated with chopper 300, meanwhile, Lysimachia sikokiana Then roller 200 shed also by retrojecting out so that crop stem enters chopper 300 after the chopping of chopper 300 Field or be delivered to rear shed device 500, it can be seen that crop stem can be extended using the chopping device assembly of present embodiment Aerial duration, promote crop stem sheds distance so that material distribution it is more uniform.

In the present embodiment, the material that Lysimachia sikokiana roller 200 is dished out backward, wherein partial material can be without upper splicing The guidance of plate 400 is directly entered chopper 300, and partial material can contact or hit splicing plate 400, thus in upper splicing plate Enter chopper 300 under 400 guidance, and the partial material may be due to dishing out in the case where no upper splicing plate 400 Hypertelorism and cannot be introduced into chopper 300.

As shown in Figure 1 to Figure 3, the upper splicing plate 400 has forward edge 401, posterior edges 402, left side edge (not Show) and right side edge (not shown).Wherein, forward edge 401, posterior edges 402, left side edge and right side edge are formed The overall profile structure of splicing plate 400.

Material to be discharged convenient for Lysimachia sikokiana roller 200 more enters in chopper 300, the forward edge 401 with it is described First axle is parallel, and is located at the top of the first axle.Wherein, forward edge 401 is parallel with first axle, such as before this Side edge 401 is a straight edges, so as to relatively easily be installed, reduces installation difficulty.In present embodiment In, the forward edge 401 of upper splicing plate 400 can be located at the front upper place of first axle, surface, or as shown in Figure 1 after Top, the forward edge 401 that need to only go up splicing plate 400 in the present embodiment are higher than Lysimachia sikokiana roller 200 in vertical height. Certainly, preferably, the forward edge 401 of upper splicing plate 400 is located at the back upper place of first axle.

In specific example, the forward edge 401 (is referred to as level away from the horizontal distance of the first axle Direction distance) it is less than or equal to the diameter of the Lysimachia sikokiana roller 200.Wherein, Lysimachia sikokiana roller 200 may include a cylindrical body and set The Lysimachia sikokiana tooth being placed in cylindrical body, these Lysimachia sikokiana teeth have dentelation, and along the circumferential direction with the in cylindrical body One axis is evenly distributed.In addition, Lysimachia sikokiana roller 200 also can be configured to include a cylindrical body and being set in cylindrical body Lysimachia sikokiana plate, these Lysimachia sikokiana plates be extend along first axle direction and the platy structure essentially identical with drum length, and this A little Lysimachia sikokiana plates are uniformly distributed in the circumference side of cylindrical body.Certainly, which can also be readily apparent that using those skilled in the art Other designs that crop stem can be stirred and crop stem is rearward dished out.The first axle is similarly the cylindrical body Circle core shaft.The diameter of Lysimachia sikokiana roller 200 is that (the Lysimachia sikokiana tooth outer rim is referred to as tooth for first axle and Lysimachia sikokiana tooth or Lysimachia sikokiana plate outer rim Top, increment；It is opposite with Lysimachia sikokiana tooth outer rim over the ground be Lysimachia sikokiana root portion, Lysimachia sikokiana tooth by root connect cylindrical body) radially away from From.As shown in Fig. 2, being L1 with the horizontal distance of forward edge 401 and first axle, the radius of Lysimachia sikokiana roller 200 is R1, and diameter is D1；In this example, L1≤D1=2R1.

Please continue to refer to Fig. 2, in this example, the forward edge 401 (can also away from the vertical distance of the first axle With referred to as vertical direction distance) it is greater than or equal to the radius of the Lysimachia sikokiana roller 200.With the forward edge 401 and described first The vertical distance (it can be appreciated that distance that forward edge 401 is higher than the first axle) of axis is L2, wherein L2 >= R1.The distance between the forward edge 401 of above-mentioned upper splicing plate 400 and the first axle of Lysimachia sikokiana roller 200 proportionate relationship are invention People by for a long time and a large number of experiments obtains, the upper splicing plate 400 in the case where this kind of position proportional relationship is arranged can have compared with Good guidance splicing effect.

In present embodiment, the material to be guided convenient for upper splicing plate 400 enters in chopper 300 and avoids Dutch Millstone 300 but the case where cannot be introduced into, the posterior edges 402 are parallel with the second axis, and are located at second axis The top of line.Wherein, posterior edges 402 are parallel with second axis, and such posterior edges 402 are a straight edges, so as to Relatively easily to connect chopper 300, installation difficulty is reduced.In the present embodiment, the posterior edges of upper splicing plate 400 402 can be located at the back upper place of second axis, underface or front upper place as shown in Figure 1, only need in the present embodiment The forward edge 401 of splicing plate 400 is higher than Lysimachia sikokiana roller 200 in vertical height.Certainly, as preferred upper splicing plate 400 posterior edges 402 are located at the front upper place of second axis.

In specific example, the horizontal distance of the posterior edges 402 away from the second axis is greater than or equal to described The one third of the radius of chopper 300, the vertical distance of the posterior edges 402 away from the second axis, which is greater than or equal to, cuts The radius of millstone 300.It continues from the preceding paragraph description, chopper 300 includes chopper roller 301 and is set on chopper roller 301 Multiple chopping blade 302.Wherein, the radius of chopper 300 is the chopping blade 302 under the second axis and working condition The distance of outer rim (outer rim of chopping blade 302 can refer to the description of above-mentioned Lysimachia sikokiana tooth outer rim, and details are not described herein) radially. As shown in Fig. 2, being L3, posterior edges 402 and described second with the horizontal distance of the posterior edges 402 and the second axis The vertical distance of axis is L4, and the radius of the chopper 300 is R2, diameter D2, in this example, L3 >=1/3*R2, L4 ≥R2。

In the present embodiment, second axis is located at the back lower place of first axle, correspondingly, the same position of chopper roller 301 In the back lower place of Lysimachia sikokiana roller 200, this allows for splicing plate 400 with bending structure or warp architecture to guide Lysimachia sikokiana roller 200 The material dished out enters in chopper 300.Wherein, upper splicing plate 400 can be formed for multiple board material splices, or monolithic Plate passes through bending and molding.Preferably, upper splicing plate 400 is integrated bending and molding.

For the installation and fixation convenient for upper splicing plate 400, and the trajectory of projection of material is adapted to, preferably to lead material Flow to 300 front of chopper, as shown in figure 3, the upper splicing plate 400 may include front part 403, middle section 404 with And rear section 405.The front part 403 and the rear section 405 are slab construction, and the middle section 404 is curved Bent plate structure.Above-mentioned forward edge 401 is located at front part 403, and posterior edges 402 are located at rear section 405.

Wherein, the front part 403 under slab construction is parallel with a certain plane with rear section 405, and suitability quality is lifted Example are as follows: as shown in Fig. 2, front part 403 is parallel to the horizontal plane, rear section 405 is parallel with a tapered plane.Under twisted plate structure Middle section 404 it is shown in Fig. 2 under contour line be circular arc or other smooth transition curves.In the smooth of middle section 404 Under transition, front part 403 is seamlessly transitted to rear section 405, to be conducive to directing material.

Certainly, the upper splicing plate 400 in present embodiment does not repel the example of non-rounding off bending, for example, one Splicing plate 400 is only with above-mentioned front part 403 and rear section 405, the front part 403 and rear side on this in embodiment Part 405 passes through a corner (preferably obtuse angle) transition.

It should be noted that the upper splicing plate 400 with front part 403, middle section 404 and rear section 405 It is not intended to limit splicing plate 400 to be spliced to form by three blocks of plates, front part 403, middle section 404 and rear section 405 Can be with certain a part of monolith plate, therefore the upper splicing plate 400 so under structure may be bending and molding.

In the present embodiment, for convenient in material input chopper 300 as much as possible that Lysimachia sikokiana roller 200 is dished out, The chopping device assembly can also have lower splicing plate 600.The lower splicing plate 600 can be accepted from the Lysimachia sikokiana roller 200 Crop stem, and the crop stem is guided to the chopper 300.Wherein, lower splicing plate 600 is located at upper splicing plate 400 lower section, partial material fall in 300 front of chopper after dishing out and are accepted by lower splicing plate 600, and in lower splicing plate 600 Lead into chopper 300.

As shown in Fig. 2, lower splicing plate 600 is located substantially at the front of chopper roller 301, lower splicing plate 600 is generally oblique (relative to vertical direction) is placed.Underground splicing plate 600 is arranged such in addition to directing material enters chopper 300, or It blocks in 300 front (lower portion) of chopper, to avoid chopper 300 during shredding material and get material Chopper 300.Wherein, rear end to the front end 601 (being referred to as upper end, top) of lower splicing plate 600 is gradually distance from chopper Roller 301.From figure 2 it may also be seen that the rear end of lower splicing plate 600 is in the horizontal direction close to chopper roller 301, front end 601 is remote From chopper roller 301.

Wherein, after the undertaking crop stem of the front end 601 of lower splicing plate 600, if there is the accumulation of material, then before making Clearance space between end 601 and lower splicing plate 600 is gradually reduced, and the reduction of the clearance space causes crop stem to enter chopping The amount of device 300 reduces, and influences the chopping result of crop stem, is considered based on the point, in the present embodiment the lower splicing plate 600 have the upper end for being curled at least partly cylindrical shape, and the main part positioned at the upper end rear.The main part Dividing 602 is slab construction；The axis of the cylinder is parallel to the second axis, and is located at before the second axis Side.

Wherein, the front end 601 of lower splicing plate 600 is at least partly cylindrical shape, at least partly cylinder (601 institute of label Refer to part) there can be an open cylinder for side wall, correspondingly, the contour line of at least partly cross section of cylinder is at least Partial arc.The axis of the cylinder is located remotely from 300 side of chopper, can be with thus when crop stem falls in the front end 601 The arc-shaped surface of the front end 601 at least partly cylindric along this enters the plane (upper surface) of main part 602, and in master Enter chopper 300 under the guidance of body portion 602, forms accumulation on lower splicing plate 600 so as to avoid material.

In the present embodiment, central angle corresponding at least partly cylinder (contour line of cross section) of the front end 601 There is no restriction, which can be greater than 180 degree as shown in Figure 2, at this point, front end 601 is more than half cylindrical shape；The central angle It might be less that 180 degree, at this point, front end 601 is arc-shaped plate.

For with build up of material effect is preferably prevented, the radius of at least partly cylinder is at least 10 millimeters.Into one Step, the radius of at least partly cylinder is at least 20 millimeters.So set, can be preferably by material diversion to chopper 300.Specifically, the horizontal distance of the axis of at least partly cylinder and the second axis is greater than the chopper 300 Radius.As shown in Fig. 2, be L5 with the horizontal distance of the axis of at least partly cylinder and the second axis, i.e. L5 > R2.

Please continue to refer to Fig. 2, the front end 601 to guarantee upper splicing plate 400 is excessively high and influences chopper 300 and feeds, described At least partly diameter of the vertical distance of the axis of cylinder and the second axis less than the chopper 300.With it is described at least The vertical distance of the axis of partial cylinder and the second axis is L6, that is, L6 < D2=2R2.It is similarly and guarantees chopper 300 Feed openings with preferred size, the axis of at least partly cylinder are big at a distance from the rear end of the upper splicing plate 400 In or equal to the chopper 300 radius.With the axis of at least partly cylinder at a distance from the rear end of the upper splicing plate 400 For L7, that is, L7 >=R2.

In the present embodiment, main part 602 is set to 601 rear of front end.Main part 602 is that plate (can also be with Referred to as plate) structure, correspondingly, the main part 602 is parallel to a certain tapered plane.What the front end 601 of lower splicing plate 600 flowed down The structure that material can depend on front end 601, which is taken advantage of a situation, flows to main part 602, to enter in chopper 300 convenient for material, the main part Divide 602 can be inclined relative to horizontal setting.Specifically, the angle between the main part 602 and horizontal plane be greater than or Equal to 20 degree.

It should be noted that lower splicing plate 600 can be formed for an entire plate by bending, can also be spelled by plurality of plates It connects to be formed, for example, front end 601 is a bending plate, main part 602 is that a plate, the bending plate and plate are formed by welding Lower splicing plate 600.Certainly, lower splicing plate 600 can be an integral molding structure as a preferred option in the present embodiment.

In the present embodiment, the lower section of the Lysimachia sikokiana roller 200 is provided with Lysimachia sikokiana roller notch board 201, the Lysimachia sikokiana roller is recessed Plate 201 has grid configuration to allow crop kernel to fall.Wherein, Lysimachia sikokiana roller 200 is matched with Lysimachia sikokiana roller notch board 201, will be made Object stalk is dished out.Lysimachia sikokiana roller notch board 201 is grid configuration, and a large amount of grid holes are distributed with thereon.Enter Lysimachia sikokiana roller notch board 201 with If crop stem inner clip hetero moiety seed when between Lysimachia sikokiana roller 200, seed can enter combine harvester across grid hole at this time Seed cleaning component in, to complete collecting for the part seed, avoid wasting.

It in a kind of feasible embodiment, is spaced a distance between chopper 300 and Lysimachia sikokiana roller 200, to prevent Partial material is fallen between gap between, and then the problem of can not be crushed, influence material chopping result, in institute It states and is also provided with conveyer belt (not shown) between Lysimachia sikokiana roller notch board 201 and the lower splicing plate 600；The conveyer belt can pass through Part is delivered to the chopper 300 by the crop stem that the Lysimachia sikokiana roller 200 is dished out by rotation.The conveyer belt can have more Item, or one, do not limited particularly in present embodiment.

Please continue to refer to Fig. 1 to Fig. 6 illustrated embodiment, to make the farther of material throwing, material is distributed more evenly, should Chopping device assembly is additionally provided with the concave extension 202 being connected with the rear end of the Lysimachia sikokiana roller notch board 201.The concave extension 202 have leading edge and rear, and the rear is located at up-front back upper place.The concave extension 202 has smooth upper table Face, and the angle of the upper surface and horizontal plane is 10 degree to 20 degree.As can be seen that the concave extension 202 is due to steeving one Determine angle, and provides slideway for crop stem movement.In the promotion (being rotated counterclockwise when scope of readers is to Fig. 1) of Lysimachia sikokiana roller 200 Under, crop stem is dished out with the state steeved, thus have it is farther throw distance, meanwhile, smooth upper surface is advantageously In the movement of crop stem, the resistance in crop stem movement is reduced.

In the present embodiment, the rear of the concave extension 202 is parallel to the first axle.Pass through test of many times It was found that when the horizontal distance L8 of the rear and the first axle is greater than the radius of the Lysimachia sikokiana roller 200, the concave extension 202 have preferably throw effect.Further, the rear of the concave extension 202 and the first axle it is horizontal away from It is greater than 200 diameter of Lysimachia sikokiana roller from L8.

In the present embodiment, chopping blade 302 can be fixedly installed in chopper roller 301, for example, fixed form can be with It welds to be described, be spirally connected, rivet etc..For fixed chopping blade 302, to avoid chopping blade 302 from existing To encounter hard object in chopping operation and damage, the chopping blade 302 is installed in rotation on the chopper roller 301, from And there is longer service life.At this point, centrifugal force spread apart when chopping blade 302 can be by rotation, and then formed Cutting to material.If chopping blade 302 encounters hard object in chopping material operation, chopping blade 302 can carry out adaptability Rotation, to avoid hard object forms biggish impact force to chopping blade 302 and damages chopping blade 302.

Specifically as described in Fig. 3, Fig. 4, the chopper 300 further includes the front lower place that the chopper roller 301 is arranged in Stationary knife knife bar 307, the length direction of the stationary knife knife bar 307 is parallel to the second axis, and in the stationary knife knife bar 307 On be equally spaced multiple stationary knife blades 305.When the chopper roller 301 is driven to rotate, 301 band of chopper roller The rotation of chopping blade 302 is moved by the gap between the stationary knife blade 305.

Wherein, the rotation direction of chopper roller 301 is identical as Lysimachia sikokiana roller 200, is to rotate counterclockwise (in scope of readers to figure When X).When chopper roller 301 rotates, chopping blade 302 is holded up under whipping.Chopping blade 302 is passing through two neighboring stationary knife The tip portion of chopping blade 302 is overlapped with the tip portion of stationary knife blade 305 when the gap of blade 305, and crop stem is cut It is broken.

In this embodiment, length direction (be parallel to second axis) of multiple stationary knife blades 305 along stationary knife knife bar 307 Arrangement.Stationary knife blade 305 is fixed on stationary knife knife bar 307, and can be mobile with stationary knife knife bar 307.Stationary knife knife bar 307 is installed on On left side wall 320 and right side wall, such as shown in Fig. 2, the both ends of stationary knife knife bar 307 are threaded through left side wall 320 and right side respectively On wall.

For the chopping result convenient for adjusting crop stem, Different Crop type is adapted to, it can be by adjusting chopping blade 302 Above-mentioned purpose is realized with the amount of coincidence of stationary knife blade 305.Specifically, adjusting chopping blade 302 and stationary knife blade 305 to realize Coincidence amount, the chopping device assembly can also include 307 regulating device of stationary knife knife bar.307 regulating device of stationary knife knife bar includes Rotary shaft 306 and installation frame 308, the stationary knife knife bar 307 are mounted on the installation frame 308 and can be in the peaces Frame up frame 308 drive under surround the rotary shaft 306 and rotate, and then adjust between the stationary knife knife bar 307 and second axis Relative position.

Wherein, rotary shaft 306 is parallel with second axis, and parallel with stationary knife knife bar 307.Rotary shaft 306 can be installed on 307 top of stationary knife knife bar, lower section, front or behind etc., preferably as shown in Fig. 2, rotary shaft 306 is located at stationary knife knife bar 307 Top.Rotary shaft 306 is also attached on chopper 300, is preferably secured on left side wall 320 and right side wall.Installing frame Rotary shaft 306 is connect by frame 308 with ipsilateral one end of stationary knife knife bar 307, which can be preferably the connection in figure Plate.Stationary knife knife bar 307 and rotary shaft 306 are separately connected different location of the connecting plate on its (connecting plate) length direction, thus By (manually or mechanically) forcing on installation frame 308, can be rotated around rotary shaft 306, so that stationary knife knife bar 307 be driven to exist It is acted within the scope of certain arc area.

Specifically, left side wall 320 and right side wall are equipped with the arching trajectory long hole 309 worn for 307 end of stationary knife knife bar, Stationary knife knife bar 307 can be acted along the track long hole 309, in order to accurately adjust the position of stationary knife blade 305.Installation frame The upper end of 308 (connecting plates) connects rotary shaft 306, which can be to be rotatably connected, that is, and rotary shaft 306 is not involved in rotation, Installation frame 308 is rotated around rotary shaft 306；The connection may be relatively fixed connection, that is, the meeting simultaneously of installation frame 308 Rotary shaft 306 is driven to rotate, at this point, rotary shaft 306 is to be rotatably connected with left side wall 320 and/or right side wall.Installation frame 308 other end (lower end) is free end, which can be turned with being used to receive active force by driving for by force side It is dynamic.

As shown in figure 3, the chopper 300 also has upper cover plate 303, the upper cover plate 303 is located at the left side wall 320 Between right side wall, and the front end 601 of the upper cover plate 303 is connected with the upper splicing plate 400, such as by riveting, welding It connects or is bolted；Also, the upper cover plate 303 can also integrally be manufactured with upper splicing plate 400.The chopper 300 also has Lower cover plate 304, the lower cover plate 304 is between the left side wall 320 and right side wall, and the front end 601 of the lower cover plate 304 Be connected with the lower splicing plate 600, for example, by riveting, weld or be bolted；And the lower cover plate 304 can also connect under Flitch 600 integrally manufactures.

Wherein, the shell of upper cover plate 303, lower cover plate 304 and left side wall 320, right side wall formation chopper 300, chopping Device roller 301 and chopping blade 302 are located in shell.Upper cover plate 303 and the generally arc panel of lower cover plate 304.Along upper cover plate 303, the extending direction (or circumferencial direction of chopper roller 301) of lower cover plate 304, upper cover plate 303 and lower cover plate 304 and the second axis The distance of line is integrally kept constant, rather than is changed at a distance from second axis from one end to the other end.Such structure The material that upper cover plate 303 can make chopper roller 301 rewind with lower cover plate 304 is conveyed according to desired trajectory, avoids chopping Material is got chopper 300 by device 300.

Further, the oriented chopper roller 301 first protrusion 3031 outstanding is formed on the upper cover plate 303, First protrusion 3031 extends along the direction for being parallel to the second axis.Oriented described cut is formed on the lower cover plate 304 Second protrusion 3041 outstanding of millstone roller 301, second protrusion 3041 extend along the direction for being parallel to the second axis.Pass through First protrusion 3031, the second protrusion 3041 are set, so that upper cover plate 303, lower cover plate 304 are in first the 3031, second protrusion of protrusion The inner wall of 3041 positions preferably crushes crop stem closer to chopping blade 302, and prevents from twining grass.

It is preferably carried out in mode one, to promote the even results of shedding of chopping ensuing crop stalk, and meets different Crop species shed demand, and the chopping device assembly can also include shedding device 500 positioned at 300 rear of chopper. This sheds upper directing plate of the device 500 with left plate 501, right side plate and the connection left plate 501 and right side plate, in institute It states and multiple guide blades 502 is installed on directing plate, for guiding crop stem chopped rearward to shed out.Wherein, The arragement direction of multiple guide plates can be parallel to the length direction arrangement of second axis.

Device 500 is shed to be easily installed and dismantling, while avoiding shedding the generation of device 500 movement when machine vibration and influencing Effect is shed, the rear end of the left side wall 320 of the chopper 300 is fixedly mounted with left connection board 311, the left connection board 311 It (is not indicated) with the first long hole.The left plate 501 for shedding device 500 has left pin shaft 503, which is inserted into In first long hole；It is rotatably provided left limit part 310 on the left side wall 320, which has first Recess, first recess is for accommodating the left pin shaft 503.

The rear end of the right side wall of the chopper 300 is fixedly mounted with right connection board (not shown), right connection board tool There is the second long hole.The right side plate shed has right pin shaft (not shown), and the right pin shaft is coaxial with the left pin shaft 503 to be set It sets, which is inserted into second long hole；Right limit part is rotatably provided on the right side wall, the right limit part With the second recess, second recess is for accommodating the right pin shaft.

As shown in figure 3, left connection board 311, right connection board are rectangular slab (being not limited to the shape), the left connection board 311 fix with the position of right connection board, can not move (not representing can not dismantle) in the installation site.Left limit part 310, Right limit part is installed on left connection board 311, right connection board outside, and can be around a pivot axis (pivotal axis and the second axis Line is parallel, and left connection board 311, right connection board are passed through).

Left limit part 310, right limit part generally rectangular slab, one end connect pivotal axis, and it is recessed that the other end offers first Mouth (not indicating), the second recess.Wherein, the first recess, the second recess are rectangle (or rectangular), and are provided with left limit part 310, the end corner location of right limit part.

Left connection board 311 and right connection board are equipped with the first long hole, the second long hole.Left pin shaft 503, right pin shaft difference It is fixed on left plate 501, right side plate, and is pierced by the first long hole, the second long hole respectively from inside to outside.Left limit part 310, right limit Part rotates (when scope of readers is to Fig. 3) along clockwise direction and left pin shaft 503, right pin shaft is respectively clamped into the first recess, second Recess, and then left pin shaft 503, right pin shaft are fixed on the first long hole, on the second long hole, complete the installation for shedding device 500.

To shed 500 position of device convenient for adjusting, saving adjusts the labor intensity for shedding device 500, meanwhile, adapt to different situations And variety classes crop is shed, guarantee it is good sheds effect, the chopping device assembly is additionally provided with sheds device position tune Section structure, the device position adjustment structure of shedding includes: to be separately positioned on the left plate 501 and right side plate for shedding device 500 On elongated slot 505；The adjusting bolt 504 being separately positioned on the left side wall 320 and right side wall of the chopper 300；And with Adjust the adjusting nut that bolt 504 matches；The adjusting bolt 504 is accommodated in the elongated slot 505 and guides the throwing Device 500 is spread around the left pin shaft 503 and the right pin shaft rotation.

In present embodiment, left plate 501, right side plate can be distinguished by screwing adjusting bolt 504 and adjusting nut Be fixedly clamped on left side wall 320, right side wall, and with to shed under the left pin shaft 503 of fixed position, right pin shaft collective effect The position of device 500 is fixed.When need to adjust the position for shedding device 500, bolt 504 or adjusting nut are adjusted by rotation, make left side Plate 501, right side plate are adjustable and rotate around left pin shaft 503, right pin shaft, change the inclination angle for shedding device 500 with respect to ground, thus Change shed device 500 shed distance.When shedding device 500 around left pin shaft 503 and the rotation of right pin shaft, adjusts bolt 504 and be located at length Position (or depth) in slot 505 also changes.When shedding device 500 and being adjusted to suitable position, by screwing adjusting bolt 504 and adjusting nut can fix the position for shedding device 500.

Please continue to refer to Fig. 1 to Fig. 6, a kind of combine harvester is also provided in another embodiment of the present invention, is wrapped It includes: the walking component for making the combine harvester walk；For gathering in the harvesting component of crop；For the crop under gathering in The conveying assembly conveyed backward；For receiving from the next crop of conveying assembly conveying and carrying out the de- of threshing and cleaning processing Grain cleans component 100；And chopping device assembly described in any embodiment as above.

In the present embodiment, the threshing and cleaning part includes tail sheet 101.The rear end of the tail sheet 101 is in level side Upwards between the first axle and second axis.Wherein, tail sheet 101 is steeved to the back-end by its front end, can be by seed It is separated with sundries such as chaff shells.

It in an embodiment (not shown), is spaced a distance between chopper 300 and tail sheet 101, is preventing portion It is the problem of dividing material to fall between gap between, and then can not being crushed, influence material chopping result, described to cut The front end 601 of the lower splicing plate 600 of millstone component extends to the lower section of the tail sheet 101, and under the tail sheet 101 Surface.

In this embodiment, the front end 601 of lower splicing plate 600 can be located at the lower section of 101 any position of tail sheet, can With the rear end (lower section for being located at 101 rear end of tail sheet) of neighbouring tail sheet 101, can also be located at below the middle position of tail sheet 101, It may be located on the lower section of 101 front end 601 of tail sheet, suppression or positioned at the lower section etc. of 101 other positions of tail sheet, in this embodiment party The front end 601 of lower splicing plate 600 is only needed to be located at the lower section of tail sheet 101 in formula.

In embodiment as shown in Figure 3, chopper 300 can be not only located at the rear of Lysimachia sikokiana roller 200, be similarly positioned in tail The rear of sieve 101.Since Lysimachia sikokiana roller 200 is only used for dishing out crop stem, crop stem throw distance it is longer, for guarantee make Object stalk throws distance, improves uniformly shedding for material, the front end of the rear end of the tail sheet 101 and the lower splicing plate 600 601 distance L9 in the horizontal direction is greater than 200mm.Be arranged such can not only guarantee crop stem throw distance it is longer, Meanwhile between tail sheet 101 and lower splicing plate 600 can there are sufficient mainteinance repair spaces, to facilitate operator to de- Grain cleans the mechanisms such as component 100, Lysimachia sikokiana roller 200 and carries out mainteinance repair.

Further, the rear end of the tail sheet 101 is higher than the front end 601 of the lower splicing plate 600.Alternatively, the tail sheet 101 tilt extension from front lower place rearwardly and upwardly, and the extended line of the tail sheet 101 is higher than the front end 601 of the lower splicing plate 600.

In the present embodiment, to be easily installed chopper 300 and adjusting the position of chopper 300, the joint is received Cutting mill has left organism sidewall and right organism sidewall, and the left side wall 320 of the chopper 300 is installed to by the first slipway bracket The left organism sidewall, the right side wall are installed to the right organism sidewall by the second slipway bracket, to allow the chopping Device 300 slides.

As shown in Figure 5, Figure 6, height gradually increases when chopper 300 slides from the front to the back, i.e., chopper 300 can be preceding It slides rearwardly and upwardly lower section.For convenient for the sliding of chopper 300, the sliding path of chopper 300 can be line always (with horizontal plane In the oblique line of a fixed angle of altitude), by sliding chopper 300, adjustable chopper 300 adapts to make at a distance from Lysimachia sikokiana roller 200 Object stalk throws distance, it is also possible to the distance between chopper 300 and tail sheet 101 be adjusted, so as to adjust mainteinance repair Space.

Specifically, second slipway bracket is symmetrically arranged with first slipway bracket, and described first Slipway bracket includes: left body lateral bracket 10, and the left body lateral bracket 10 is mounted on the left organism sidewall；Left cut millstone Lateral bracket 312, the left cut millstone lateral bracket 312 are mounted on 300 left side wall 320 of chopper.The second slideway support Frame includes: right body lateral bracket, and the right body lateral bracket is mounted on the right organism sidewall；300 lateral bracket of right cut millstone, 300 lateral bracket of right cut millstone is mounted on 300 right side wall of chopper.

Further, the left body lateral bracket 10 has the first bending part 11 bent to body side, the left cut Millstone lateral bracket 312 has the second bending part 3121 bent towards the body other side, when in 300 installation position of chopper When setting, second bending part 3121 is located at the top of first bending part 11 and is supported by second bending part 3121.

The right body lateral bracket has the third bending part bent to body side, 300 lateral bracket of right cut millstone With the 4th bending part bent towards the body other side, when being in 300 installation site of chopper, the 4th bending Portion is located at the top of the third bending part and is supported by the third bending part.

As shown in fig. 6, left body bracket, right body bracket, left cut millstone lateral bracket 312,300 lateral bracket of right cut millstone are equal For L shape structure, preferably pass through bending and molding.Wherein, the main part 602 of left body bracket and the first bending part 11 be substantially Perpendicular relationship, main part 602 is parallel with left organism sidewall and is fixedly connected with left organism sidewall.

As shown in fig. 6, left organism sidewall is bolted in left body bracket.For 15 intensity of reinforcement structure, left body side Wall is being provided with reinforcement structure 15 with left body bracket link position, and the upper and lower ends of the reinforcement structure 15 are welded in left body side On the inner wall of wall, left organism sidewall and reinforcement structure 15 is bolted in left body bracket.Right body bracket and right body side The connection type of wall can refer to the connection type of above-mentioned left body bracket and left organism sidewall, no longer repeat one by one herein.

Pass through between first bending part 11 and the second bending part 3121, between third bending part and the 4th bending part detachable Connection, thus when needing to adjust 300 position of chopper by removing between the first bending part 11 and the second bending part 3121, the Connection between three bending parts and the 4th bending part can slide chopper 300.Specifically, first bending part 11 and Two bending parts 3121 are respectively provided with multiple bolts hole, are fixed with allowing bolt to pass through；The third bending part and the 4th bending part Multiple bolts hole are respectively provided with, are fixed with allowing bolt to pass through.

In one embodiment, the combine harvester may include and coaxial mounted first skin of the Lysimachia sikokiana roller 200 Belt wheel 203, first belt pulley 203 is for driving the Lysimachia sikokiana roller 200 to rotate.The combine harvester further includes and the chopping Coaxial mounted second belt pulley of device roller 301, second belt pulley is for driving the chopper roller 301 to rotate.

Wherein, the first belt pulley 203 and the second belt pulley are located at body the same side, and the two can be carried out by belt 450 Transmission.For convenience of the installation of chopper 300, tensioning wheel can be set between the first belt pulley 203 and the second belt pulley.To be promoted The revolving speed of chopper roller 301, improves the crushing effect of crop stem, and the diameter of the first belt pulley 203 is greater than the second belt pulley Diameter.

It should be noted that combine harvester provided in this embodiment have walking component, harvesting component and other Partially (such as threshing and cleaning component 100) etc. can select any appropriate existing construction.To be clearly briefly described this implementation Technical solution provided by example, will no longer repeat above-mentioned part, Figure of description has also carried out corresponding simplification herein.But It is it should be understood that therefore the present embodiment is not restricted in range.

Herein cited any digital value all include between lower limit value to upper limit value with the lower value of an incremented and The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as Fruit elaborates that the quantity an of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20 To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification 68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1. These are only intended to the example clearly expressed, it is believed that all possibility for the numerical value enumerated between minimum and peak Combination is all expressly set forth in the specification in a similar manner.

Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range " about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to cover that " about 20 to about 30 ", including at least the endpoint indicated.

All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot Together in this.Describing combined term " substantially by ... constitute " should include identified element, ingredient, component or step and reality Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or " comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any Attribute is all optional.

Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used to The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component Or step.

It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to appended claims and this The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed A part of subject matter.

Claims

1. a kind of chopping device assembly for combine harvester, wherein the chopping device assembly includes:

Lysimachia sikokiana roller, the Lysimachia sikokiana roller can be rotated around first axle, which receives after combine harvester threshing processing Crop stem, and the crop stem is dished out to the rear of harvester；

Chopper, the chopper include: left side wall and right side wall, and the chopper between the left side wall and right side wall is arranged in Roller, and the multiple chopping blade being set on the chopper roller；The chopper roller can be rotated around second axis, institute Second axis is stated to be parallel to the first axle and be located at the back lower place of the first axle；

Upper splicing plate, the upper splicing plate can guide at least part for the crop stem dished out by the Lysimachia sikokiana roller to institute Chopper is stated to be cut off by the chopping blade.

2. as described in claim 1 chopping device assembly, wherein the upper splicing plate have forward edge, posterior edges and Left side edge and right side edge wherein the forward edge is parallel with the first axle, and are located at the first axle Top.

3. chopping device assembly as claimed in claim 2, wherein horizontal distance of the forward edge away from the first axle is small In or equal to the Lysimachia sikokiana roller diameter.

4. chopping device assembly as claimed in claim 2, wherein vertical distance of the forward edge away from the first axle is big In or equal to Lysimachia sikokiana roller radius.

5. as claimed in claim 2 chopping device assembly, wherein the upper splicing plate include front part, middle section and Rear section；The front part and the rear section are slab construction, and the middle section is twisted plate structure.

6. chopping device assembly as claimed in claim 2, wherein the posterior edges are parallel with the second axis, and position In the front upper place of the second axis.

7. chopping device assembly as claimed in claim 6, wherein horizontal distance of the posterior edges away from the second axis is big In or equal to the chopper radius one third, the posterior edges be greater than away from the vertical distance of the second axis or Equal to the radius of chopper.

8. the chopping device assembly as described in one of claim 1 to 7, wherein further include:

Lower splicing plate, the lower splicing plate can accept the crop stem from the Lysimachia sikokiana roller, and the crop stem is drawn It is directed at the chopper.

9. chopping device assembly as claimed in claim 8, wherein the lower splicing plate, which has, is curled at least partly cylindrical shape Front end, and the main part positioned at the front end rear；The main part is slab construction；At least partly cylinder Axis be parallel to the second axis, and be located at the front upper place of the second axis.

10. chopping device assembly as claimed in claim 9, wherein the radius of at least partly cylinder is at least 10 millimeters.

11. chopping device assembly as claimed in claim 9, wherein the radius of at least partly cylinder is at least 20 millimeters.

12. chopping device assembly as claimed in claim 9, wherein the main part is inclined relative to horizontal setting, described Angle between main part and horizontal plane is greater than or equal to 20 degree.

13. chopping device assembly as claimed in claim 9, wherein the axis of at least partly cylinder and the second axis Horizontal distance be greater than the chopper radius.

14. chopping device assembly as claimed in claim 9, wherein the axis of at least partly cylinder and the second axis Vertical distance be less than the chopper diameter.

15. chopping device assembly as claimed in claim 9, wherein the axis of at least partly cylinder and the upper splicing plate Rear end distance be greater than or equal to the chopper radius.

16. chopping device assembly as claimed in claim 9, wherein be provided with Lysimachia sikokiana roller notch board, institute below the Lysimachia sikokiana roller Lysimachia sikokiana roller notch board is stated with grid configuration to allow crop kernel to fall.

17. chopping device assembly as claimed in claim 16, wherein between the Lysimachia sikokiana roller notch board and the lower splicing plate also Equipped with conveyer belt；Part can be delivered to the chopping by the crop stem that the Lysimachia sikokiana roller is dished out by rotating by the conveyer belt Device.

18. chopping device assembly as claimed in claim 17, wherein be additionally provided with and be connected with the rear end of the Lysimachia sikokiana roller notch board Concave extension；The concave extension has leading edge and rear, and the rear is located at the up-front back upper place；The notch board Extension plate has smooth upper surface, and the angle of the upper surface and horizontal plane is 10 degree to 20 degree.

19. chopping device assembly as claimed in claim 18, wherein the rear of the concave extension is parallel to the first axle The horizontal distance of line, the rear and the first axle is greater than the radius of the Lysimachia sikokiana roller.

20. chopping device assembly as claimed in claim 19, wherein the rear of the concave extension and the first axle Horizontal distance is greater than the diameter of the Lysimachia sikokiana roller.

21. chopping device assembly as described in claim 1, wherein the chopping blade is installed in rotation on the chopping On device roller.

22. chopping device assembly as described in claim 1, wherein the chopper further includes that the chopper roller is arranged in The stationary knife knife bar of front lower place, the length direction of the stationary knife knife bar are parallel to the second axis, and on the stationary knife knife bar It has been equally spaced multiple stationary knife blades；When the chopper roller is driven to rotate, which moves the chopping Blade rotation is by the gap between the stationary knife blade.

23. chopping device assembly as claimed in claim 22, wherein the chopping device assembly further includes that stationary knife knife bar adjusts dress It sets, which includes rotary shaft and installation frame, and the stationary knife knife bar is mounted on the installation frame simultaneously And can be rotated under the drive of the installation frame around the rotary shaft, and then adjust the stationary knife knife bar and second axis it Between relative position.

24. the chopping device assembly as described in claim 1 to 7 is any, wherein the chopper also has a upper cover plate, it is described on Cover board is between the left side wall and right side wall, and the front end of the upper cover plate is connected with the upper splicing plate.

25. chopping device assembly as claimed in claim 24, wherein it is prominent to form the oriented chopper roller on the upper cover plate The first protrusion out, first protrusion extend along the direction for being parallel to the second axis.

26. the chopping device assembly as described in one of claim 9 to 20, wherein the chopper also has lower cover plate, under described Cover board is between the left side wall and right side wall, and the front end of the lower cover plate is connected with the lower splicing plate.

27. chopping device assembly as claimed in claim 26, wherein it is prominent to form the oriented chopper roller on the lower cover plate The second protrusion out, second protrusion extend along the direction for being parallel to the second axis.

28. chopping device assembly as described in claim 1, wherein the chopping device assembly further includes after being located at the chopper Side sheds device, this sheds upper directing plate of the device with left plate, right side plate and the connection left plate and right side plate, Multiple guide blades are installed on the upper directing plate, for guiding crop stem chopped rearward to shed out.

29. chopping device assembly as claimed in claim 28, wherein the rear end of the left side wall of the chopper is fixedly mounted with Left connection board, the left connection board have the first long hole；

The left plate for shedding device has left pin shaft, which is inserted into first long hole；It can on the left side wall It is rotatably provided with left limit part, which has the first recess, and first recess is for accommodating the left pin shaft；

The right side plate for shedding device has right pin shaft, right pin shaft setting coaxial with the left pin shaft, which is inserted into In second long hole；Right limit part is rotatably provided on the right side wall, which has the second recess, this Two recesses are for accommodating the right pin shaft.

30. chopping device assembly as claimed in claim 29, wherein it is additionally provided with and sheds device position adjustment structure, it is described to shed Device position adjustment structure includes,

The adjusting nut matched with adjusting bolt；The adjusting bolt is accommodated in the elongated slot and sheds device described in guidance Around the left pin shaft and the right pin shaft rotation.

31. a kind of combine harvester, wherein the combine harvester includes:

Walking component for making the combine harvester walk；

For gathering in the harvesting component of crop；

Conveying assembly for conveying the crop under harvesting backward；

For receiving from the next crop of conveying assembly conveying and carrying out the threshing and cleaning component of threshing and cleaning processing；And

Chopping device assembly as described in claim 1-30 is any.

32. combine harvester as claimed in claim 31, wherein the threshing and cleaning component includes tail sheet, the tail sheet Rear end is located in the horizontal direction between the first axle and second axis.

33. combine harvester as claimed in claim 32, wherein the front end of the lower splicing plate of the chopping device assembly extends to The lower section of the tail sheet, and close to the lower surface of the tail sheet.

34. combine harvester as claimed in claim 32, wherein connect under the rear end of the tail sheet and the chopping device assembly The distance of the front end of flitch in the horizontal direction is greater than 200mm.

35. combine harvester as claimed in claim 32, wherein the rear end of the tail sheet is higher than under the chopping device assembly The front end of splicing plate.

36. combine harvester as claimed in claim 34, wherein the tail sheet tilts extension, institute from front lower place rearwardly and upwardly The extended line for stating tail sheet is higher than the front end of the lower splicing plate for shredding device assembly.

37. combine harvester as claimed in claim 32, wherein the combine harvester has left organism sidewall and right body Side wall, the left side wall of the chopper are installed to the left organism sidewall by the first slipway bracket, and the right side wall passes through the Two slipway brackets are installed to the right organism sidewall, to allow the chopper to slide.

38. combine harvester as claimed in claim 37, wherein second slipway bracket and first slipway bracket are left The right side is symmetrically arranged；Also,

First slipway bracket includes:

Second slipway bracket includes:

39. combine harvester as claimed in claim 38, wherein the left body lateral bracket has to be bent to body side First bending part, the left cut millstone lateral bracket has the second bending part bent towards the body other side, when the chopper When in installation site, second bending part in first bending part top and by second bending part support；

The right body lateral bracket has the third bending part bent to body side, and the right cut millstone lateral bracket has direction 4th bending part of body other side bending, when the chopper is in installation site, the 4th bending part is in described The top of third bending part is simultaneously supported by the third bending part.

40. combine harvester as claimed in claim 39, wherein first bending part and the second bending part are respectively provided with more A bolt hole, to allow bolt to pass through and fix；

41. combine harvester as claimed in claim 31, wherein the combine harvester includes coaxially pacifying with the Lysimachia sikokiana roller First belt pulley of dress, first belt pulley is for driving the Lysimachia sikokiana roller to rotate.

42. combine harvester as claimed in claim 41, wherein further include and coaxial mounted second skin of the chopper roller Belt wheel, second belt pulley is for driving the chopper roller to rotate.

43. combine harvester as claimed in claim 42, wherein the diameter of first belt pulley is greater than the second belt pulley Diameter, first belt pulley drive second belt pulley by belt.