CN105993414A - Double-drum threshing machine - Google Patents

Double-drum threshing machine Download PDF

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Publication number
CN105993414A
CN105993414A CN201610542455.5A CN201610542455A CN105993414A CN 105993414 A CN105993414 A CN 105993414A CN 201610542455 A CN201610542455 A CN 201610542455A CN 105993414 A CN105993414 A CN 105993414A
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CN
China
Prior art keywords
threshing
drum
double
cylinder
cavity
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CN201610542455.5A
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Chinese (zh)
Inventor
程友明
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GUIZHOU SHUANGMU AGRICULTURAL MACHINERY CO Ltd
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GUIZHOU SHUANGMU AGRICULTURAL MACHINERY CO Ltd
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Priority claimed from CN2015108829614 external-priority
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Publication of CN105993414A publication Critical patent/CN105993414A/en
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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00Parts or details of threshing apparatus
    • A01F12/18Threshing devices
    • A01F12/22Threshing cylinders with teeth

Abstract

The invention relates to a double-drum threshing machine. The double-drum threshing machine comprises a power device, a machine body, a primary threshing device and a secondary threshing device, wherein the primary threshing device is composed of a primary threshing drum, a primary threshing sieve plate and the machine body, the secondary threshing device is composed of a secondary threshing drum, a secondary threshing sieve plate and the machine body, the primary threshing drum, the primary threshing sieve plate and the machine body form a first threshing cavity, the secondary threshing drum, the secondary threshing sieve plate and the machine body form a secondary threshing cavity, and the first threshing cavity is communicated with the second threshing cavity. The double-drum threshing machine provided by the invention has the advantages of simple structure, high threshing rate, low grain impurity rate, easy operation and wide application range.

Description

A kind of Double-drum threshing machine
Technical field
The present invention relates to agricultural machinery engineering technical field, a kind of Double-drum threshing machine.
Background technology
Oryza sativa L. is one of China's staple food crop, is the Main Economic source of peasant.But a lot of rice terrace belongs to hilly country in China, plot is little, and peasant's harvesting is got up time consuming, and paddy thresher is as the small agricultural machinery of a kind of extensive utilization, it is possible to machinery crop kernels separated with stem stalk.
Existing thresing machine is generally provided only with a threshing cylinder, and threshing cylinder rotates under the drive of motor, can carry out threshing operation, the so paddy of abjection and mix with disconnected broken bar leaf, and harvesting goes back also to carry out grain separation with blower fan.For existing axial-flow type installed threshing separator, sheller unit is typically all arranged to orthoscopic, when carrying out threshing; crop feeds from the feeding mouth of threshing cylinder; carrying out threshing along with threshing cylinder rotates, de-beating only often occur, threshing performance is low and corn percentage of damage high situation.Meanwhile, the stem stalk of abjection is more broken, and in abjection mixture, miscellaneous remaining content is high so that follow-up cleaning load increases, and causes making threshing operations Quality Down, thus it is higher to there is labor intensity, the situation that work efficiency is relatively low.
Summary of the invention
For the problem in the presence of background technology, the technology that the invention solves the problems that is to provide a kind of simple in construction, threshing performance is high, seed breakage rate is low, and the sheller unit that corn percentage of impurity is low, specifically a kind of Double-drum threshing machine.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: a kind of Double-drum threshing machine, including power set, body, sheller unit, rethresher, a described sheller unit is by a threshing cylinder, threshing sieve plate and body are constituted, described rethresher is by secondary threshing cylinder, secondary threshing sieve plate and body are constituted, a described threshing cylinder, the first threshing cavity is formed between threshing sieve plate and body, described secondary threshing cylinder, the second threshing cavity is formed between secondary threshing sieve plate and body, described first threshing cavity and the connection of described second threshing cavity.
Further, a described threshing cylinder and secondary threshing cylinder are provided with threshing tooth.
Further, a described threshing cylinder and secondary threshing cylinder are arranged side by side, and described first threshing cavity one end connects with one end of described second threshing cavity.
Further, described second threshing cavity is positioned at the front upper place of described first threshing cavity.
Further, described secondary threshing cylinder cylinder wall offers grid window.
Further, described body is provided with the cover plate corresponding with secondary threshing cylinder, and described cover plate is provided with guider.
Further, on a described threshing cylinder, threshing tooth is arranged in the shape of a spiral along barrel direction of rotation, and described threshing tooth is circular arc bow tooth.
Further, on described secondary threshing cylinder, threshing tooth is the slightly curved straight-tooth in one end.
Further, described body is made up of base plate, body frame and casing, and described base plate (1) is connected with body frame (2), and described body frame is connected with casing.
Further, also include drainage conduit, described drainage conduit (7) is connected with granary (3), a standing grain segregation apparatus it is provided with in described drainage conduit, described grain standing grain segregation apparatus includes discharge nozzle, separator, discharge pipe, described discharge pipe is connected with discharge nozzle, and separator is arranged on inside discharge nozzle, is separated by grain standing grain by separator.
Use a kind of Double-drum threshing machine of the present invention, compared with prior art, it has the beneficial effects that: owing to using double-roller structure, grain is under the effect of a threshing cylinder, grain is carried out from the stem stalk of Oryza glutinosa threshing, after threshing, threshing again can be carried out in entering into secondary threshing cylinder under the action of the forces of the wind with the stem stalk remaining grain on the stem stalk that threshing tooth cuts off, thus improve the threshing performance of its Oryza glutinosa, stem stalk through cutting off then can be discharged from the straw outlet being arranged on above secondary threshing cylinder, Oryza glutinosa after threshing and broken tiny stem stalk impurity then enter in threshing bin, under the effect of blower fan, by winnowing, device is discharged the mixture in threshing bin together from drainage conduit.Simultaneously, a standing grain segregation apparatus is had owing to connecting in drainage conduit, by separator, grain standing grain is separated, the secondary impurity discharging port that broken tiny stem stalk impurity is arranged at discharge pipe carries out outer row, so Oryza glutinosa just can be connected at discharge nozzle be collected, it is achieved thereby that grain is separated up hill and dale by direct pocket.Having simple in construction, low cost of manufacture, convenient in carrying, alleviate manual work intensity, have that threshing performance is high, seed breakage rate is low, threshing quality is good, and corn percentage of impurity is low, and processing ease, improves work efficiency, applied widely.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the present invention is described in further detail.
Fig. 1 is the structural representation of a kind of Double-drum threshing machine of the present invention.
Fig. 2 is the top view after a kind of Double-drum threshing machine removal canopy lid of the present invention.
Fig. 3 is the structural representation of a kind of Double-drum threshing machine the second threshing cavity cover plate of the present invention.
Shown in figure: 1-base plate, 2-body frame, 3-granary, 4-winnows device, bis-threshing sieve plates of 5-, bis-threshing cylinders of 6-, 7-drainage conduit, 8-straw outlet, 9-canopy lid, 10-drivewheel, 11-driven pulley, threshing cylinder of 12-, threshing sieve plate of 13-, 14-blower fan, 15-output shaft, 16-fan blade belt pulley, 17-helical axis belt pulley, 18-V belt, 19-leads He Bangai, 20-discharge nozzle, 21-separator, 22-discharge pipe, 23-speed-regulating control device, 24-workbench, 25-threshing tooth, 26-direction of rotation, 27-guider, 28-groove, 29-cover plate.
Detailed description of the invention
Such as Fig. 1, shown in Fig. 2 and Fig. 3, a kind of Double-drum threshing machine of the present invention, including power set, body, sheller unit, rethresher, it is characterized in that: a described sheller unit is by a threshing cylinder 12, threshing sieve plate 13 and body are constituted, described rethresher is by secondary threshing cylinder 6, secondary threshing sieve plate 5 and body are constituted, a described threshing cylinder 12, the first threshing cavity is formed between threshing sieve plate 13 and body, described secondary threshing cylinder 6, the second threshing cavity is formed between secondary threshing sieve plate 5 and body, described first threshing cavity and the connection of described second threshing cavity.The structure of this twin-roll arranges for once threshing of the solution of creativeness, de-sordid technical problem, Oryza glutinosa is after a sheller unit threshing, the grain of rice taken off falls in granary 3 along a threshing sieve plate 13, the grain ear not having through threshing enters in rethresher by the connectivity part of described first threshing cavity with described second threshing cavity, after the process of secondary threshing cylinder 6, grain is taken off, fall in granary 3 through secondary threshing sieve plate 5, weeds are discharged through straw outlet 8, through the Oryza glutinosa that twin-roll processed, threshing performance reaches more than 98%, the most described threshing sieve plate 13 is rhombus net 8mmX15mm simultaneously, secondary threshing sieve plate 5 is circular port, aperture is 16mm, through experiment, the setting of this specification is optimum efficiency.
Preferably, a described threshing cylinder 12 and secondary threshing cylinder 6 are provided with threshing tooth 25, and the setting of threshing tooth 25 makes the removing of grain be easier to.
Preferably, a described threshing cylinder 12 and secondary threshing cylinder 6 are arranged side by side, described first threshing cavity one end connects with one end of described second threshing cavity, in this patent, for alleviating the volume of complete machine, a described threshing cylinder 12 and secondary threshing cylinder 6 are arranged side by side, and according to the mechanics general knowledge such as revolving force and the spike of rice characteristics of motion in rotating cylinder, at one end connect so that spike of rice enters rethresher through communicating passage under mechanical function naturally, it is achieved mechanical automation completely.
Preferably, described second threshing cavity is positioned at the front upper place of described first threshing cavity, theoretical according to the rotary parabolic rolled, the second threshing cavity and the second threshing cylinder 6 be arranged on the first threshing cavity and the first threshing cylinder 12 go forward can reach optimal allocative effect and technique effect.
Preferably, grid window is offered on described secondary threshing cylinder 6 cylinder wall, for non-enclosed, in this patent, a described threshing cylinder 12 is closed design, the substantial amounts of grain of rice can be more effectively sloughed in this design, and secondary threshing cylinder 6 Main Function is that the clean grain that do not takes off remaining in grain ear and weeds is cooked a combing, simultaneously facilitate threshing, for preventing grain ear and weeds blocking secondary threshing cylinder, secondary threshing cylinder 6 is arranged to non-enclosed the most in this patent, it is preferably on cylinder wall and offers grid-like window, or whole secondary threshing cylinder uses cage drum.
Preferably, described body is provided with the cover plate 29 corresponding with secondary threshing cylinder 6, described cover plate 29 is provided with guider 27, in this patent, threshing tooth on secondary threshing cylinder 6 is preferably straight-tooth, the straight-tooth that front headband is slightly curved, the purpose that arranges of straight-tooth is still that the effect strengthening combing remnants grain, but simultaneously in order to meet the purpose of the rotational automatic Herba lysimachiae capillipedis of mechanics, in this patent, creativeness arranges guider 27 on cover plate 29, in this patent, guider 27 is preferably the guide plate tilted or direction recess or projection, direction as guide plate can be arranged rationally according to the direction of motion of weeds.
Preferably, on a described threshing cylinder 12, threshing tooth is arranged in the shape of a spiral along barrel direction of rotation, described threshing tooth 25 is in circular arc bow tooth, one time most of threshing work taken by threshing cylinder 12, therefore a threshing cylinder 12 is arranged to closed, coordinates the Threshing that can reach best in circular arc bow tooth simultaneously.
Preferably, on described secondary threshing cylinder 6, threshing tooth 25 is the straight-tooth that one end is slightly curved, and the Main Function of secondary threshing cylinder 6 is to take off remaining part grain, and the setting of straight-tooth is more beneficial for degrain in weeds, what front was slightly curved arranged can improve extension grass performance, it is simple to combing.
Preferably, described body is made up of base plate 1, body frame 2 and casing, and described base plate (1) is connected with body frame (2), and described body frame is connected with casing.
Preferably, also include drainage conduit 7, a standing grain segregation apparatus it is provided with in described drainage conduit 7, described grain standing grain segregation apparatus includes discharge nozzle 20, separator 21, discharge pipe 22, described discharge pipe 22 is connected with discharge nozzle 20, it is internal that separator 21 is arranged on discharge nozzle 20, by separator 2) grain standing grain is separated.
nullDescribed Double-drum threshing machine,Including base plate 1、Body frame 2、Granary 3、Threshing cylinder 12、Secondary threshing cylinder 6、Blower fan 14、Drainage conduit 7、Straw outlet 8、Canopy lid 9、Power set,Described body frame 2 is arranged on base plate 1,Described granary 3 is arranged in the middle part of body frame 2,A described threshing cylinder 12 and secondary threshing cylinder 6 are horizontally installed in body,A wherein said threshing cylinder 12 is arranged in body frame 2,Described secondary threshing cylinder 6 is arranged on body frame 2 lateral surface,It is provided with a threshing sieve plate 13 below a described threshing cylinder 12,Secondary threshing sieve plate 5 it is provided with below described secondary threshing cylinder 6,Described blower fan 14 is arranged on below granary 3,A described threshing cylinder 12、Secondary threshing cylinder 6 and blower fan 14 are passed through transmission system drives by the power set being arranged on body frame 2,And the direction of rotation of two threshing cylinders is identical,Described granary 3 bottom is provided with device 4 of winnowing,Described device 4 of winnowing is connected with power set by helical axis belt pulley 17,Described drainage conduit 7 is arranged on body frame 2,And communicate with described granary 3,Described straw outlet 8 is positioned at above described secondary threshing cylinder 6,Described canopy lid 9 is arranged on body frame 2 top,Described canopy lid 9 is set to the ringent body structure in side.
Described drive system includes drivewheel 10, driven pulley 11, blower fan 14 output shaft and using diesel engine or gasoline engine as the output shaft 15 of power set, described drivewheel 10, driven pulley 11 are set in the mandrel termination of threshing cylinder 12, secondary threshing cylinder 6, the output shaft of described drivewheel 10, driven pulley 11, the output shaft of blower fan 14 and power set is positioned at same one end of body frame 2, the output shaft of described drivewheel 10 and blower fan 14 is connected with the output shaft 15 of power set by fan blade belt pulley 16, and described driven pulley 11 is connected with drivewheel 10 by V belt 18.
Further, also include leading standing grain plate lid 19, described in lead standing grain plate lid 19 and be arranged on the body frame 2 above granary 3, and be positioned at described canopy lid 9 opening direction side.Oryza glutinosa thus can be put into band stem stalk kernelly from opening direction side to leading standing grain plate lid 19.
Further, described drainage conduit (7) is connected with granary (3), described drainage conduit 7 is provided with a standing grain segregation apparatus, described grain standing grain segregation apparatus includes discharge nozzle 20, separator 21, discharge pipe 22, described discharge pipe 22 is connected with discharge nozzle 20, it is internal that separator 21 is arranged on discharge nozzle 20, is separated by grain standing grain by separator 21.Its objective is to reduce corn percentage of impurity, the Oryza glutinosa being directly connected to pocket be collected at discharge nozzle 20 does not just separate at needs, reduces and follow-up carries out screening process again, thus improves the work efficiency of harvesting.
Further, also include speed-regulating control device 23, described speed-regulating control device 23 is arranged on the V belt 18 that drivewheel 10 and driven pulley 11 connect, and with described V belt 18 upper surface, controlled the rotary rpm of described secondary threshing cylinder 6 by institute's speed-regulating control device 23.It addition, can also prevent V belt 18 from loosening and skidding by speed-regulating control device 23, thus ensure the normal work of secondary threshing cylinder 6.
Further, also include that workbench 24, described workbench 24 are arranged on body frame 2, and lead standing grain plate lid 19 same side described in being positioned at.
Further, being provided with threshing tooth 25 in the shape of a spiral along barrel direction of rotation on described threshing cylinder 12 and secondary threshing cylinder 6, described threshing tooth 25 is in circular arc bow tooth.
Use a kind of Double-drum threshing machine of the present invention; in actual use; first diesel engine or gasoline engine are started as power; Oryza glutinosa is put into band stem stalk kernelly by leading of being arranged on body frame 2 at workbench 24 on standing grain plate lid 19; owing to using double-roller structure; and its direction of rotation 26 is identical; grain is under the effect of threshing cylinder 12; grain is carried out from the stem stalk of Oryza glutinosa threshing; because being provided with canopy lid 9 at body frame 2 top; corn situation of splashes under threshing cylinder 12 effect can be prevented, but enter directly in granary 3.After threshing, threshing again can be carried out in entering into secondary threshing cylinder 6 under the action of the forces of the wind with the stem stalk remaining grain on the stem stalk that threshing tooth 25 cuts off, thus improve the threshing performance of its Oryza glutinosa, stem stalk through cutting off then can be discharged from the straw outlet 8 being arranged on above secondary threshing cylinder 6, Oryza glutinosa and the tiny stem stalk impurity of broken rate after threshing then enter in granary 3, under the effect of blower fan 14, by winnowing, the mixture in 4 granaries 3 of device is discharged from drainage conduit 7 together.Simultaneously, a standing grain segregation apparatus is had owing to connecting in drainage conduit 7, by separator 21, grain standing grain is separated, the secondary impurity discharging port that the tiny stem stalk impurity of broken rate is arranged at discharge pipe 22 carries out outer row, so Oryza glutinosa just can be connected at discharge nozzle 20 be collected, it is achieved thereby that grain is separated up hill and dale by direct pocket.The present invention has simple in construction, low cost of manufacture, convenient in carrying, alleviates manual work intensity, has that threshing performance is high, seed breakage rate is low, and threshing quality is good, and corn percentage of impurity is low, and processing ease, improves work efficiency, applied widely.Use a kind of Double-drum threshing machine of the present invention, there is simple in construction, low cost of manufacture, convenient in carrying, alleviate manual work intensity; having that threshing performance is high, seed breakage rate is low, threshing quality is good, and corn percentage of impurity is low; and processing ease, improves work efficiency, applied widely.
Protection scope of the present invention is not limited only to the technical scheme disclosed in detailed description of the invention; the foregoing is only the better embodiment of the present invention; it is not limiting as the present invention; every any trickle amendment, equivalent and improvement made above example according to the technical spirit of the present invention, within should be included in the protection domain of technical solution of the present invention.

Claims (10)

1. a Double-drum threshing machine, including power set, body, sheller unit and rethresher, it is characterized in that: a described sheller unit is by a threshing cylinder (12), threshing sieve plate (13) and body are constituted, described rethresher is by secondary threshing cylinder (6), secondary threshing sieve plate (5) and body are constituted, a described threshing cylinder (12), the first threshing cavity is formed between threshing sieve plate (13) and body, described secondary threshing cylinder (6), the second threshing cavity is formed between secondary threshing sieve plate (5) and body, described first threshing cavity and the connection of described second threshing cavity.
A kind of Double-drum threshing machine the most according to claim 1, it is characterised in that: a described threshing cylinder (12) and secondary threshing cylinder (6) are provided with threshing tooth (25).
A kind of Double-drum threshing machine the most according to claim 1, it is characterised in that: a described threshing cylinder (12) and secondary threshing cylinder (6) are arranged side by side, and described first threshing cavity one end connects with one end of described second threshing cavity.
A kind of Double-drum threshing machine the most according to claim 1, it is characterised in that: described second threshing cavity is positioned at the front upper place of described first threshing cavity.
A kind of Double-drum threshing machine the most according to claim 1, it is characterised in that: offer grid window on described secondary threshing cylinder (6) cylinder wall.
A kind of Double-drum threshing machine the most according to claim 1, it is characterised in that: described body is provided with the cover plate (29) corresponding with secondary threshing cylinder (6), and described cover plate (29) is provided with guider (27).
A kind of Double-drum threshing machine the most according to claim 2, it is characterised in that: the threshing tooth (25) on a described threshing cylinder (12) is arranged in the shape of a spiral along barrel direction of rotation, and described threshing tooth (25) is in circular arc bow tooth.
A kind of Double-drum threshing machine the most according to claim 2, it is characterised in that: the threshing tooth (25) on described secondary threshing cylinder (6) is the straight-tooth that one end is slightly curved.
A kind of Double-drum threshing machine the most according to claim 1, it is characterised in that: described body is made up of base plate (1), body frame (2) and casing, and described base plate (1) is connected with body frame (2), and described body frame is connected with casing.
A kind of Double-drum threshing machine the most according to claim 1; it is characterized in that: also include drainage conduit (7); described drainage conduit (7) is connected with granary (3); a standing grain segregation apparatus it is provided with in described drainage conduit (7); described grain standing grain segregation apparatus includes discharge nozzle (20), separator (21), discharge pipe (22); described discharge pipe (22) is connected with discharge nozzle (20), and it is internal that separator (21) is arranged on discharge nozzle (20), is separated by grain standing grain by separator (21).
CN201610542455.5A 2015-12-07 2016-07-12 Double-drum threshing machine Pending CN105993414A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2015108829614 2015-12-07
CN201510882961.4A CN105284308A (en) 2015-12-07 2015-12-07 Double-roller threshing machine

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CN105993414A true CN105993414A (en) 2016-10-12

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CN201510882961.4A Pending CN105284308A (en) 2015-12-07 2015-12-07 Double-roller threshing machine
CN201610542455.5A Pending CN105993414A (en) 2015-12-07 2016-07-12 Double-drum threshing machine
CN201620726509.9U Expired - Fee Related CN205794160U (en) 2015-12-07 2016-07-12 A kind of Double-drum threshing machine

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105284308A (en) * 2015-12-07 2016-02-03 贵州双木农机有限公司 Double-roller threshing machine
CN108097588B (en) * 2017-12-12 2020-12-22 阜阳创智生产力促进中心有限公司 Agricultural swing winnowing device
CN110881306A (en) * 2019-11-30 2020-03-17 河南科技大学 Semi-feeding combine harvester

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CN2418661Y (en) * 2000-03-23 2001-02-14 徐清伟 Threshing separator for combine harvester
CN2741345Y (en) * 2004-09-08 2005-11-23 甘学明 Bran sucking type thresher after secondary treatment and discharging slag
CN101336587A (en) * 2008-08-12 2009-01-07 江苏大学 Different-speed double transverse-axis-flow threshing separation device
KR20120002352U (en) * 2010-09-27 2012-04-04 임종록 Bean sheller
CN203369132U (en) * 2013-07-29 2014-01-01 重庆民茂机械制造有限公司 Threshing assembly of small combine harvester
CN203435385U (en) * 2013-07-10 2014-02-19 湘南学院 Double-roller cereal threshing selection separating device
CN204031867U (en) * 2014-07-17 2014-12-24 泰州常发农业装备有限公司 The transverse-axis-flow twin-roll combine of height difference
CN204377462U (en) * 2015-01-05 2015-06-10 甘肃农业大学 Longitudinal axial flow twin-roll cell breeding wheat threshing separator
CN205794160U (en) * 2015-12-07 2016-12-14 贵州双木农机有限公司 A kind of Double-drum threshing machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2418661Y (en) * 2000-03-23 2001-02-14 徐清伟 Threshing separator for combine harvester
CN2741345Y (en) * 2004-09-08 2005-11-23 甘学明 Bran sucking type thresher after secondary treatment and discharging slag
CN101336587A (en) * 2008-08-12 2009-01-07 江苏大学 Different-speed double transverse-axis-flow threshing separation device
KR20120002352U (en) * 2010-09-27 2012-04-04 임종록 Bean sheller
CN203435385U (en) * 2013-07-10 2014-02-19 湘南学院 Double-roller cereal threshing selection separating device
CN203369132U (en) * 2013-07-29 2014-01-01 重庆民茂机械制造有限公司 Threshing assembly of small combine harvester
CN204031867U (en) * 2014-07-17 2014-12-24 泰州常发农业装备有限公司 The transverse-axis-flow twin-roll combine of height difference
CN204377462U (en) * 2015-01-05 2015-06-10 甘肃农业大学 Longitudinal axial flow twin-roll cell breeding wheat threshing separator
CN205794160U (en) * 2015-12-07 2016-12-14 贵州双木农机有限公司 A kind of Double-drum threshing machine

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CN105284308A (en) 2016-02-03

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Application publication date: 20161012