CN102511249A - Threshing device of harvester - Google Patents
Threshing device of harvester Download PDFInfo
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- CN102511249A CN102511249A CN2011104193546A CN201110419354A CN102511249A CN 102511249 A CN102511249 A CN 102511249A CN 2011104193546 A CN2011104193546 A CN 2011104193546A CN 201110419354 A CN201110419354 A CN 201110419354A CN 102511249 A CN102511249 A CN 102511249A
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- threshing
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- concave grate
- grain header
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Abstract
The invention relates to a harvester, in particular to a threshing device of a harvester. According to the technical scheme, the threshing device of the harvester comprises an underframe, a threshing frame, a main threshing mechanism, a rethreshing mechanism, a separation, cleaning and vibration screen and an impurity lifting screw, wherein the threshing frame is fixed on the underframe, both the main threshing mechanism and the rethreshing mechanism are connected to the threshing frame and disposed along the travelling direction of the harvester, the separation, cleaning and vibration screen is fixedly connected to the threshing frame and positioned between the underframe and the main threshing and rethreshing mechanisms, and the impurity lifting screw is disposed between the position below the rear end of the separation, cleaning and vibration screen and the rethreshing mechanism. The main threshing mechanism comprises a main threshing roller, a large concave screen and a main roller cover, wherein the main threshing roller is hinged to the threshing frame, the large concave screen is fixed to the threshing frame and encloses the main threshing roller, and the main roller cover covers an opening of the large concave screen. The main threshing roller is slantingly disposed along the advancing direction of the harvester. A corner between the main threshing roller and a conveying chute of the threshing device compared with the prior art is reduced, so that conveying of crops is smooth, and the shortages of the prior art are made up.
Description
Technical field
The present invention relates to grain header, particularly a kind of sheller unit of grain header.
Background technology
The separating mechanism of at present common grain header has two kinds, and a kind of is separating mechanism with the vertical placement of grain header direction of travel, and a kind of is separating mechanism with the parallel placement of grain header direction of travel; The separating mechanism of these two kinds of grain headers is horizontal positioned; Though the latter has adopted the separating mechanism of vertical layout, increased the length of threshing cylinder greatly with respect to the separating mechanism of lateral arrangement, prolonged the threshing time; But the turning of delivery chute and main threshing cylinder is bigger; Handing-over had some setbacks when crop was from delivery chute to separating mechanism when the harvesting operation, and resistance is big, occurs clogging easily.
Summary of the invention
The sheller unit that the purpose of this invention is to provide a kind of grain header, the relative background technology of this kind sheller unit has reduced the turning between main threshing cylinder and the delivery chute, makes the crop handing-over smooth and easy, has remedied disadvantages of background technology.
Above-mentioned technical purpose of the present invention is achieved through following technical scheme: a kind of sheller unit of grain header; Comprise underframe, be fixed in threshing frame on the underframe, all be connected in the threshing frame and all along the main separating mechanism and the multiple separating mechanism of the setting of grain header direction of travel, be fixedly connected on the threshing frame and the separating cleaning vibratory sieve between underframe and the main multiple separating mechanism, be located at below the separating cleaning vibratory sieve rear end with multiple separating mechanism between assorted surplus lifting screw feeder, the master rotor that said main separating mechanism comprises the main threshing cylinder that is articulated in the threshing frame, be fixed in the threshing frame and be located in the outer big concave grate of main threshing cylinder, the big concave grate opening of covering covers; Said main threshing cylinder is provided with down along the direction of advance of grain header is oblique.
Grain header with crop harvesting after, carry out threshing thereby by main threshing cylinder crop is delivered to big concave grate through delivery chute; Main threshing cylinder is the setting under oblique along the direction of advance of grain header, and background technology has reduced the turning between main threshing cylinder and the delivery chute relatively, thereby be beneficial to main threshing cylinder crop is delivered in the big concave grate more swimmingly, is difficult for blockage phenomenon.
As of the present invention preferred, said big concave grate is provided with down along the direction of advance of grain header is oblique.
Above-mentioned setting; The relative big horizontally disposed structure of concave grate in the background technology, make crop in big concave grate along the front end of big concave grate when move the rear end, owing to receive the influence of gravity; And increased the holdup time of crop in big concave grate, thereby increase the threshing effect of crop; Simultaneously, being obliquely installed of big concave grate, being horizontally disposed with in the background technology also increased the length of big concave grate relatively, thereby, further increase the threshing time of crop in big concave grate, thereby increased the threshing effect of crop; Preferred as further, the axis of big concave grate overlaps with the axis of main threshing cylinder or is parallel; Thereby when making big concave grate cooperate threshing, make the threshing better effects if with main threshing cylinder.
As of the present invention preferred, said multiple separating mechanism comprises the multiple threshing cylinder that is articulated in the threshing frame, is fixed in the threshing frame and is located in the outer little concave grate of multiple threshing cylinder, covers the multiple drum cover of little notch board sieve plate opening; Said little concave grate is provided with down along the direction of advance of grain header is oblique.
Above-mentioned setting; The relative horizontally disposed structure of the medium and small concave grate of background technology, make crop in little concave grate along the front end of little concave grate when move the rear end, owing to receive the influence of gravity; And increased the holdup time of crop in little concave grate, thereby increase the threshing effect of crop; Simultaneously, being obliquely installed of little concave grate, being horizontally disposed with in the background technology also increased the length of little concave grate relatively, thereby, further increase the threshing time of crop in little concave grate, thereby increased the threshing effect of crop.
As of the present invention preferred, the axis of said multiple threshing cylinder overlaps with the axis of little concave grate or is parallel.
Above-mentioned setting makes that to receive the power of multiple threshing cylinder little concave grate crop everywhere comparatively even, makes the threshing better effects if.
As of the present invention preferred, be provided with between said big concave grate and the separating cleaning vibratory sieve along the oblique grain sliding plate that is provided with down of the direction of advance of grain header, the higher-end of said grain sliding plate is positioned at the below, rear end of big concave grate.
Above-mentioned setting makes the front end that can slide to the separating cleaning vibratory sieve through the crop of main separating mechanism threshing along grain sliding plate, thereby increases crop cleaning the time on the separating cleaning vibratory sieve, cleans effect with raising, improves cleannes.
As of the present invention preferred, the front end of said separating cleaning vibratory sieve is provided with cleaning fan; The air outlet of cleaning fan is towards the separating cleaning vibratory sieve.
The effect of cleaning fan is that the crop that is difficult for from the separating cleaning vibratory sieve drops is blown to the rear end of separating cleaning vibratory sieve, thereby these a little crops are delivered to multiple separating mechanism through assorted surplus lifting screw feeder, carries out threshing once more.
As of the present invention preferred, said main threshing cylinder comprises with the hinged master of threshing frame and takes off axle, distributes successively and all be fixed in main feeding section and the threshing section on the axle of taking off along front end to the back extreme direction of main threshing cylinder; Said feeding section comprises that axial cross section is the blade that round table-like Rotary-table, spiral is located at the Rotary-table sidewall; The diameter of Rotary-table front end surface is less than the diameter of rear end surface; Blade equates with distance between the Rotary-table axis away from any point on the side of Rotary-table.
Be positioned at the crop on the delivery chute, carry out threshing thereby stir into threshing section through the feeding section; The shape of Rotary-table and blade are away from the equidistant setting between any point on the side of Rotary-table and the Rotary-table axis; Make blade be front wide and rear narrow shape by front end to rear end; Thereby make the feeding section when receiving crop, have bigger reception space, more be prone to crop is stirred into threshing section.
As of the present invention preferred, the threshing section comprise a plurality of be fixed in side by side mainly take off axle and gripper shoe in the form of a ring, be fixed in the gripper shoe outer rim and along the main a plurality of pipes that take off an axial distribution, be fixed in the threshing fourth tooth on the pipe.
As of the present invention preferred, multiple threshing cylinder comprises and is articulated in that answering of threshing frame taken off axle, is fixed in the cylinder that takes off axle again, is fixedly arranged on the anterior rectangular slab of cylinder, shape is fixedly arranged on and takes off stirring leaf, being fixedly arranged on the cylinder and at rectangular slab and stir the threshing tooth between the leaf of a rear portion again in the shape of a spiral.
As of the present invention preferred, said big concave grate comprise axial distribution steel pole, weave mutually to form latticed steel wire with steel pole; The sidewall of said little concave grate one end is provided with the charging aperture that is connected with assorted surplus lifting screw feeder, and other end bottom has discharging opening.
In sum, the present invention has following beneficial effect:
1, the present invention compares background technology, has reduced the turning between main threshing cylinder and the delivery chute, makes the crop handing-over smooth and easy, is difficult for blockage phenomenon;
2, being in tilted layout of big or small concave grate, background technology has increased the holdup time of crop in big or small concave grate, thereby has strengthened the threshing effect relatively;
3, being in tilted layout of big or small concave grate and main multiple threshing cylinder, background technology makes the length of big or small concave grate and main multiple threshing cylinder obtain lengthening, thereby has prolonged the crop threshing time relatively, has reduced the effect of entrainment loss, has strengthened the threshing effect;
4, the setting of grain sliding plate makes crop slide to separating cleaning vibratory sieve front portion, has prolonged crop cleaning the time on the separating cleaning vibratory sieve, makes and cleans better effects if, has improved cleannes.
Description of drawings
Fig. 1 is the main threshing schematic side view of present embodiment;
Fig. 2 is the multiple threshing schematic side view of present embodiment;
Fig. 3 is the schematic top plan view of present embodiment;
Fig. 4 is the back cross-sectional schematic of present embodiment;
Fig. 5 is the structural representation of the main threshing cylinder of present embodiment;
Fig. 6 is the structural representation of the multiple threshing cylinder of present embodiment;
Fig. 7 is the structural representation of the little concave grate of present embodiment;
Fig. 8 is the structural representation of the big concave grate of present embodiment;
Fig. 9 is the combining structure sketch map of the big or small concave grate of present embodiment;
Among the figure, 8, harvesting mechanism, 2, delivery chute, 5, underframe, 11, the threshing frame, 6, the separating cleaning vibratory sieve; 10, assorted surplus lifting screw feeder, 46, horizontal screw conveyor, 47, vertical screw feeder, 12, main threshing cylinder, 44, the main axle that takes off, 24, the feeding section; 25, threshing section, 18, Rotary-table, 19, blade, 20, gripper shoe, 22, pipe, 23, threshing fourth tooth; 14, big concave grate, 181, the master rotor lid, 16, main threshing cavity, 31, steel pole, 32, steel wire, 13, multiple threshing cylinder; 15, little concave grate, 17, multiple threshing cavity, 45, take off axle again, 30, cylinder, 50, rectangular slab, 28, stir leaf; 29, threshing tooth, 36, charging aperture, 37, discharging opening, 48, grain sliding plate, 4, cleaning fan, 9, connect grain and promote screw feeder.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explain.
This specific embodiment only is to explanation of the present invention; It is not a limitation of the present invention; Those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this specification, but as long as in claim scope of the present invention, all receive the protection of Patent Law.
Shown in Fig. 1-9, a kind of grain header is provided with harvesting mechanism 8, delivery chute 2 and sheller unit successively along front end to the rear end of grain header.
Sheller unit comprises underframe 5, be fixed in threshing frame 11 on the underframe 5, all be connected in threshing frame 11 and all along the main separating mechanism and the multiple separating mechanism of the setting of grain header direction of travel, be fixedly connected on threshing frame 11 and at the separating cleaning vibratory sieve 6 between underframe 5 and the main multiple separating mechanism, be located at below separating cleaning vibratory sieve 6 rear ends and the assorted surplus lifting screw feeder 10 of answering between the separating mechanism; Assorted surplus lifting screw feeder 10 by a horizontal horizontal screw conveyor 46 that is positioned at below, separating cleaning vibratory sieve 6 rear ends with constitute with horizontal screw conveyor 46 vertical vertical screw feeders 47.
Main separating mechanism comprises the main threshing cylinder 12 that is articulated in threshing frame 11, main threshing cylinder 12 comprise with threshing frame 11 hinged masters take off axle 44, extreme direction distributes successively and all is fixed in main feeding section 24 and threshing section 25 of taking off on the axle 44 along the front end of main threshing cylinder 12 to back; Feeding section 24 comprises that axial cross section is the blade 19 that round table-like Rotary-table 18, spiral is located at Rotary-table 18 sidewalls; The diameter of Rotary-table 18 front end surface is less than the diameter of rear end surface; Blade 19 equates that with distance between Rotary-table 18 axis promptly blade 19 is front wide and rear narrow shape away from any point on the side of Rotary-table 18; Threshing section 25 comprise a plurality of be fixed in side by side main take off axle 44 and a plurality of gripper shoes 20 in the form of a ring, be fixed in gripper shoe 20 outer rims and along the main a plurality of pipes 22 that take off axle 44 axial distribution, be fixed in the threshing fourth tooth 23 on the pipe 22; Main threshing cylinder 12 peripheries are provided with the big concave grate 14 that is fixedly connected on threshing frame 11, and the opening part of big concave grate 14 is coated with master rotor lid 181, and main threshing cylinder 12 is provided with down along the direction of advance of grain header is oblique; Form main threshing cavity 16 by big concave grate 14 and master rotor lid 181; The axis of big concave grate 14 overlaps with the axis of main threshing cylinder 12 or is parallel, and big concave grate 14 is provided with down along the direction of advance of grain header is oblique; The steel wire that curves U-shaped 32 that big concave grate 14 is crossed with wearing it by the steel pole 31 of axial flat is woven into latticed, forms the grid body of U-shaped.
Multiple separating mechanism comprises the multiple threshing cylinder 13 that is articulated in threshing frame 11, be fixed in threshing frame 11 and be located in the outer little concave grate 15 of multiple threshing cylinder 13, cover the multiple drum cover of little notch board sieve plate 15 openings, and multiple drum cover is not shown in the drawings; Form multiple threshing cavity 17 between little notch board sieve plate 15 and the multiple drum cover; Little concave grate 15 is provided with down along the direction of advance of grain header is oblique; The axis of multiple threshing cylinder 13 overlaps with the axis of little concave grate 15 or is parallel, and multiple threshing cylinder 13 also is obliquely installed; Multiple threshing cylinder 13 comprises and is articulated in that answering of threshing frame 11 taken off axle 45, is fixed in the cylinder 30 that takes off axle 45 again, is fixedly arranged on the anterior rectangular slab 50 of cylinder 30, shape is fixedly arranged on and takes off stirring leaf 28, being fixedly arranged on the cylinder 30 and at rectangular slab 50 and stir the threshing tooth 29 between the leaf 28 of axle 45 rear portions again in the shape of a spiral; The sidewall of little concave grate 15 1 ends is provided with the charging aperture 36 that is connected with assorted surplus lifting screw feeder 10, and other end bottom has discharging opening 37.
Be provided with between big concave grate 14 and the separating cleaning vibratory sieve 6 along the oblique grain sliding plate 48 that is provided with down of the direction of advance of grain header, the higher-end of said grain sliding plate 48 is positioned at the below, rear end of big concave grate 14; The front end of separating cleaning vibratory sieve 6 is provided with cleaning fan 4; The air outlet of cleaning fan 4 is towards separating cleaning vibratory sieve 6.
Crop by the harvesting of harvesting mechanism is sent into main threshing cavity 16 through delivery chute 2 by feeding section 24; And deliver into threshing section 25 backward; Hit for more than 23 time, stir, crumple by the threshing spike-tooth; Carry out threshing; Taking off thing falls into to be cleaned on the separating cleaning vibratory sieve 6 to separate or fall into separating cleaning vibratory sieve 6 in the rear end of big concave grate 14 through grain sliding plate 48 through big concave grate 14 eyelets and is cleaned separation; The sieve aperture of simple grain body on separating cleaning vibratory sieve 6 falls and connect grain and promote screw feeder 9 and collect and send into tanker, and tanker is not shown in the drawings, the short spike of rice that does not purify, do not separate clean assorted surplus and simple grain body impurity separating cleaning vibratory sieve 6 ends fall by assorted surplus lifting screw feeder 10 collect and entering again threshing cavity 17 carry out threshing once more;
Collected and be sent to the agitator type helical blade 28 of the assorted excess of not purifying of multiple threshing cavity 17 by assorted surplus lifting screw feeder 10 and be fed forward by the threshing tooth and hit for more than 29 time, overturn, rub, take off thing and fall separating cleaning vibratory sieve 6 quilts through little concave grate 15 front end discharging openings 37 and cleaned separation by threshing through multiple threshing cylinder 13 ends; The eyelet of little concave grate 15 only is fit to simple grain body seed to be passed through by the cauline leaf that cleaning fan 4 blows off with more tiny being easy to, and has cleaning effect preferably.
Claims (10)
1. the sheller unit of a grain header; Comprise underframe (5), be fixed in threshing frame (11) on the underframe (5), all be connected in threshing frame (11) and all along the main separating mechanism and the multiple separating mechanism of the setting of grain header direction of travel, be fixedly connected on threshing frame (11) and be positioned at underframe (5) and main multiple separating mechanism between separating cleaning vibratory sieve (6), be located at the assorted surplus lifting screw feeder (10) between below, separating cleaning vibratory sieve (6) rear end and the multiple separating mechanism, said main separating mechanism comprises the main threshing cylinder (12) that is articulated in threshing frame (11), be fixed in threshing frame (11) and be located in big concave grate (14) outside the main threshing cylinder (12), the master rotor that covers big concave grate (14) opening covers (181); It is characterized in that said main threshing cylinder (12) is provided with down along the direction of advance of grain header is oblique.
2. the sheller unit of a kind of grain header according to claim 1 is characterized in that, said big concave grate (14) is provided with down along the direction of advance of grain header is oblique.
3. the sheller unit of a kind of grain header according to claim 1; It is characterized in that said multiple separating mechanism comprises the multiple threshing cylinder (13) that is articulated in threshing frame (11), is fixed in threshing frame (11) and is located in the outer little concave grate (15) of multiple threshing cylinder (13), covers the multiple drum cover of little notch board sieve plate (15) opening; Said little concave grate (15) is provided with down along the direction of advance of grain header is oblique.
4. the sheller unit of a kind of grain header according to claim 3 is characterized in that, the axis of said multiple threshing cylinder (13) overlaps with the axis of little concave grate (15) or be parallel.
5. the sheller unit of a kind of grain header according to claim 3; It is characterized in that; Be provided with between said big concave grate (14) and the separating cleaning vibratory sieve (6) along the oblique grain sliding plate (48) that is provided with down of the direction of advance of grain header, the higher-end of said grain sliding plate (48) is positioned at the below, rear end of big concave grate (14).
6. the sheller unit of a kind of grain header according to claim 5 is characterized in that, the front end of said separating cleaning vibratory sieve (6) is provided with cleaning fan (4); The air outlet of cleaning fan (4) is towards separating cleaning vibratory sieve (6).
7. the sheller unit of a kind of grain header according to claim 1 and 2; It is characterized in that said main threshing cylinder (12) comprises with the hinged master of threshing frame (11) and takes off axle (44), distributes successively and all be fixed in main feeding section (24) and threshing section (25) of taking off on the axle (26) along front end to the back extreme direction of main threshing cylinder (12); Said feeding section (24) comprises that axial cross section is the blade (19) that round table-like Rotary-table (18), spiral is located at Rotary-table (18) sidewall; The diameter of Rotary-table (18) front end surface is less than the diameter of rear end surface; Blade (19) equates with distance between Rotary-table (18) axis away from any point on the side of Rotary-table (18).
8. the sheller unit of a kind of grain header according to claim 7; It is characterized in that, threshing section (25) comprise a plurality of be fixed in side by side main take off axle (44) and a gripper shoe in the form of a ring (20), be fixed in gripper shoe (20) outer rim and along the main a plurality of pipes (22) that take off axle (44) axial distribution, be fixed in the threshing fourth tooth (23) on the pipe (22).
9. according to the sheller unit of claim 3 or 4 described a kind of grain headers; It is characterized in that multiple threshing cylinder (13) comprises and is articulated in that answering of threshing frame (11) taken off axle (45), is fixed in the cylinder (30) that takes off axle (45) again, is fixedly arranged on the rectangular slab (50) of cylinder (30) one ends, shape is fixedly arranged on and takes off stirring leaf (28), being fixedly arranged on cylinder (30) and going up and be positioned at rectangular slab (50) and stir the threshing tooth (29) between the leaf (28) of axle (45) the other end again in the shape of a spiral.
10. according to the sheller unit of claim 3 or 4 described a kind of grain headers, it is characterized in that, said big concave grate (14) comprise axial distribution steel pole (31), weave mutually to form latticed steel wire (32) with steel pole (31); The sidewall of said little concave grate (15) one ends is provided with the charging aperture (36) that is connected with assorted surplus lifting screw feeder (10), and other end bottom has discharging opening (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104193546A CN102511249A (en) | 2011-12-15 | 2011-12-15 | Threshing device of harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104193546A CN102511249A (en) | 2011-12-15 | 2011-12-15 | Threshing device of harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102511249A true CN102511249A (en) | 2012-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104193546A Pending CN102511249A (en) | 2011-12-15 | 2011-12-15 | Threshing device of harvester |
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| CN (1) | CN102511249A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103548503A (en) * | 2013-10-25 | 2014-02-05 | 洛阳新火种节能技术推广有限公司 | Roller type threshing mechanism for corn harvester |
| CN103703922A (en) * | 2014-01-10 | 2014-04-09 | 南京农业大学 | Processing combined machine for grain harvesting and straw and stubble fertilizing and field-returning |
| CN104855056A (en) * | 2015-06-17 | 2015-08-26 | 中联重机股份有限公司 | Longitudinal axial flow harvesting machine and cleaning device thereof |
| CN105830632A (en) * | 2016-01-14 | 2016-08-10 | 金华职业技术学院 | Threshing device for combine harvester |
| CN105830670A (en) * | 2016-01-14 | 2016-08-10 | 金华职业技术学院 | Cleaning device for combine harvester |
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| CN2351925Y (en) * | 1998-11-07 | 1999-12-08 | 江苏省国营临海农场 | Axial feeding type axial drum combine |
| WO2001037638A1 (en) * | 1999-11-26 | 2001-05-31 | New Holland Belgium Nv | Improvements to axial flow combines |
| CN201426269Y (en) * | 2009-06-26 | 2010-03-24 | 山东时风（集团）有限责任公司 | Longitudinal axial flow threshing and separating device |
| CN201536498U (en) * | 2009-04-27 | 2010-08-04 | 浙江艾格莱机械有限公司 | Threshing mechanism in longitudinal axial flow whole-feeding combine harvester |
| CN202354114U (en) * | 2011-12-15 | 2012-08-01 | 中机南方机械股份有限公司 | Threshing device for reaping machine |
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2011
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Patent Citations (5)
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| CN2351925Y (en) * | 1998-11-07 | 1999-12-08 | 江苏省国营临海农场 | Axial feeding type axial drum combine |
| WO2001037638A1 (en) * | 1999-11-26 | 2001-05-31 | New Holland Belgium Nv | Improvements to axial flow combines |
| CN201536498U (en) * | 2009-04-27 | 2010-08-04 | 浙江艾格莱机械有限公司 | Threshing mechanism in longitudinal axial flow whole-feeding combine harvester |
| CN201426269Y (en) * | 2009-06-26 | 2010-03-24 | 山东时风（集团）有限责任公司 | Longitudinal axial flow threshing and separating device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103548503A (en) * | 2013-10-25 | 2014-02-05 | 洛阳新火种节能技术推广有限公司 | Roller type threshing mechanism for corn harvester |
| CN103703922A (en) * | 2014-01-10 | 2014-04-09 | 南京农业大学 | Processing combined machine for grain harvesting and straw and stubble fertilizing and field-returning |
| CN103703922B (en) * | 2014-01-10 | 2016-05-11 | 南京农业大学 | A kind of rice wheat harvest obtains, stalk and root stubble Fertilizer Transformed are also processed combine in field |
| CN104855056A (en) * | 2015-06-17 | 2015-08-26 | 中联重机股份有限公司 | Longitudinal axial flow harvesting machine and cleaning device thereof |
| CN105830632A (en) * | 2016-01-14 | 2016-08-10 | 金华职业技术学院 | Threshing device for combine harvester |
| CN105830670A (en) * | 2016-01-14 | 2016-08-10 | 金华职业技术学院 | Cleaning device for combine harvester |
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Application publication date: 20120627 |
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