CN108338011B - A interior flow type cylinder screen cleaning plant for fine grain crop results - Google Patents
A interior flow type cylinder screen cleaning plant for fine grain crop results Download PDFInfo
- Publication number
- CN108338011B CN108338011B CN201711437184.8A CN201711437184A CN108338011B CN 108338011 B CN108338011 B CN 108338011B CN 201711437184 A CN201711437184 A CN 201711437184A CN 108338011 B CN108338011 B CN 108338011B
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- shell
- fine
- screen
- cylindrical
- cylindrical screen
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- 238000004140 cleaning Methods 0.000 title claims abstract description 37
- 239000002245 particle Substances 0.000 claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 29
- 238000012216 screening Methods 0.000 claims abstract description 25
- 238000003306 harvesting Methods 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 6
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 235000013339 cereals Nutrition 0.000 description 14
- 239000004744 fabric Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 244000062793 Sorghum vulgare Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/44—Grain cleaners; Grain separators
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/44—Grain cleaners; Grain separators
- A01F12/446—Sieving means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
Aiming at the problem of low production efficiency of fine crop particle cleaning in the prior art, the invention provides an inner flow type cylinder screen cleaning device for harvesting fine crops, which comprises a shell, a screening mechanism arranged in the shell, a cleaning mechanism communicated with the shell and a rack for arranging the shell and the cleaning mechanism; the feeding end of the screening mechanism is correspondingly provided with a feeding mechanism, and the other end of the screening mechanism is provided with a discharging mechanism for outputting massive impurities; the lower part of the screening mechanism of the machine shell is provided with a sliding plate; fine crop particles fall into the in-process that connects the workbin at the slide, through cleaning mechanism to the fine debris that mixes in the fine crop particles remove the edulcoration that induced drafts, accomplish fine crop results, screening mechanism include with the coaxial cylinder sieve that sets up of casing, with the axis parallel of cylinder sieve and be close to the spiral auger of ground setting and be located the helical blade on the cylinder sieve lateral wall. The invention has simple structure and good cleaning effect.
Description
Technical Field
The invention belongs to the field of agricultural machinery, and particularly relates to an inner flow type cylinder screening device for harvesting fine crops.
Background
Compared with wheat and rice, rape, vegetable seeds, millet and the like belong to fine grain crops. The fine grain crop seeds are small, the suspension speed is low, and the seeds are easily blown out by air flow to generate loss during cleaning, or the seeds are often entrained in light impurities to generate loss.
At present, the harvesting of fine grain crops in most areas of China is mainly solved by manpower, the labor intensity is high, the operation cost is high, and the efficiency is low. In recent years, enterprises or farmers use grain combine harvesters such as wheat or rice, and harvest fine grain crops after slightly refitting and adjusting, and the adopted cleaning devices can be divided into three main types: fan-vibrating screen cleaning device, fan-material outflow type cylinder screen cleaning device and cyclone separation cleaning device. The vibration screen blower is the most commonly used mode at present, and light sundries which pass through the screen surface and fall together with the seeds can be blown out of the machine by a longer distance, so that the required wind force is large, the cleaning loss rate is increased, the operation effect is extremely unsatisfactory, and the peasant acceptance degree is not high.
Disclosure of Invention
Aiming at the problem of low production efficiency of fine crop particle cleaning in the prior art, the invention provides an inner flow type cylinder screen cleaning device for harvesting fine crops, which has a simple structure and improves cleaning efficiency.
The inner flow type cylinder screening device for harvesting the fine grain crops comprises a horizontal cylindrical shell with two open ends, a screening mechanism arranged in the shell, a screening mechanism communicated with the shell and a rack for arranging the shell and the screening mechanism; wherein, the feeding end of the screening mechanism is correspondingly provided with a feeding mechanism, and the other end of the screening mechanism is provided with a discharging mechanism for outputting massive impurities; the shell is provided with a sliding plate for conveying fine crop particles at the lower part of the screening mechanism; wherein, fine grain crop granule fall into the in-process that connects the workbin at the slide, through cleaning mechanism to fine debris that mixes in the fine grain crop granule induced draft edulcoration, accomplish fine grain crop results, its technical scheme lies in: the screening mechanism comprises a cylindrical screen coaxially arranged with the shell, a spiral auger which is parallel to the axis of the cylindrical screen and is close to the ground and used for feeding, and a spiral blade positioned on the outer side wall of the cylindrical screen;
wherein, the cylinder screen and the spiral auger reversely rotate; the spiral auger forms a suspension state of the fine crop particles to be separated entering from the feeding mechanism through spiral airflow generated by rotation of the spiral auger and moves axially; after being filtered by the screen cloth of the cylindrical screen, the fine crop particles are suspended between the cylindrical screen and the shell, and massive sundries are discharged from the interior of the cylindrical screen through a spiral auger at a discharge mechanism of the cylindrical screen; the fine crop particles between the drum screen and the housing are fed into the lower part of the drum screen by the rotating fine crop particles of the helical blades and fall into the receiving box by the slide plate.
Further, the spiral auger comprises a feeding auger close to one end of the feeding mechanism, a discharging auger close to the discharging mechanism, a re-threshing roller positioned between the feeding auger and the discharging auger and a rotating shaft; the re-threshing roller is in a truncated cone shape with the diameter gradually increased from the feeding end of the cylindrical screen to the sundry discharging end of the cylindrical screen, and threads are arranged on the outer surface of the truncated cone shape; the screw thread rotation direction of the outer surface of the re-threshing roller is consistent with the rotation direction of the screw auger and is used for removing impurities Yu Fu close to the inner side wall of the cylindrical screen and assisting the movement of large impurities to the discharging mechanism;
both ends of the rotating shaft are arranged on the frame through bearings and bearing seat structures; the driving end of the rotating shaft is provided with a belt pulley I;
the length of the cylinder screen is longer than that of the shell; wherein the length of the spiral auger is longer than that of the cylinder screen.
Preferably, the material of the re-stripping roller is rubber.
Further, the cleaning mechanism comprises a fan shell, an impeller arranged in the fan shell and a cross-flow fan for driving the impeller; one end of the fan shell is communicated with the shell, and the other end of the fan shell is communicated with the outside; the suction direction generated by the impeller driven by the cross flow fan is vertical to the sliding plate.
Further, supporting rollers are uniformly distributed on the outer sides of the two ends of the cylindrical screen, which are positioned outside the machine shell; the supporting rollers are arranged on the frame.
Further, the outer side of one end, close to the feeding mechanism, of the two ends of the cylindrical screen, which are positioned outside the machine shell, is provided with a belt pulley II.
Further, the feeding mechanism comprises a cylindrical shell with a bottom; the cylindrical shell is arranged at the outer side of the feeding auger in the spiral auger, and a through hole for passing through a rotating shaft in the spiral auger is formed in the bottom of the cylindrical shell; the cylindrical side of the tubular housing is provided with openings for feeding.
Further, the discharging mechanism comprises a discharging plate which is arranged on the frame and is inclined downwards.
Further, the frame is used for installing and matching the rotating shaft bearing and the frame leg of the bearing seat, and the frame leg is provided with a height adjusting device for adjusting the distance between the cylinder screen and the spiral auger.
Still further, the height adjusting means includes a long hole provided on the leg for adjusting a position of the bearing housing fitted with the rotation shaft in a vertical direction.
The beneficial effects of the invention are as follows: according to the invention, fine crop particles with impurities are transmitted from a feeding end to a discharging end through the spiral auger, and in the transmission process, spiral airflow generated by rotation of the spiral auger forms a suspension state and moves axially; after being filtered by the screen cloth of the cylindrical screen, the fine crop particles are suspended between the cylindrical screen and the shell, and massive sundries are discharged from the interior of the cylindrical screen through a spiral auger at a discharge mechanism of the cylindrical screen; the fine crop particles between the drum screen and the housing are fed into the lower part of the drum screen by the rotating fine crop particles of the helical blades and fall into the receiving box by the slide plate. The invention has simple structure and good cleaning effect.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a left side view of the de-rack of fig. 1.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-2, an internal flow type cylinder screen cleaning device for harvesting fine grain crops comprises a horizontal cylindrical shell 1 with two open ends, a screening mechanism arranged in the shell 1, a cleaning mechanism communicated with the shell 1 and a rack 3 for arranging the shell 1 and the cleaning mechanism; wherein, the feeding end of the screening mechanism is correspondingly provided with a feeding mechanism, and the other end of the screening mechanism is provided with a discharging mechanism for outputting massive impurities; the machine shell 1 is provided with a sliding plate 4 for conveying fine crop particles at the lower part of the screening mechanism; wherein, fine grain crop granule in slide 4 fall into the in-process that connects workbin 8 through cleaning mechanism to fine debris that mixes in the fine grain crop granule induced draft edulcoration, accomplish fine grain crop and gather, its technical scheme lies in: the screening mechanism comprises a cylindrical screen 2 coaxially arranged with the shell 1, a spiral auger 10 parallel to the axis of the cylindrical screen 2 and close to the ground for feeding, and spiral blades 9 positioned on the outer side wall of the cylindrical screen 2;
wherein, the cylinder screen 2 and the spiral auger 10 reversely rotate; the spiral auger 10 forms a suspension state of fine crop particles to be separated entering from a feeding mechanism by spiral airflow generated by rotation of the spiral auger 10 and moves axially; after being filtered by the screen cloth of the cylindrical screen 2, the fine crop particles are suspended between the cylindrical screen 2 and the shell 1, and massive sundries are discharged from the interior of the cylindrical screen 2 through a spiral auger 10 in a discharging mechanism of the cylindrical screen 2; the fine-grained crop particles situated between the cylindrical screen 2 and the housing 1 are fed by the rotating fine-grained crop particles of the helical blades 9 into the lower part of the cylindrical screen 2 and fall through the slide plate 4 into the receiving box 8.
What needs to be clarified is: the spiral air flow generated by the spiral auger 10 carries fine crop particles to do spiral axial movement, and because the spiral auger 10 is arranged close to the ground, the spiral air flow carries the fine crop particles to fall into the material receiving box 8 through the sliding plate 4 after being screened by the cylindrical screen 2 when the spiral air flow is close to the ground, and the screening process is completed.
Further, the spiral auger 10 comprises a feeding auger 101 close to one end of the feeding mechanism, a discharging auger 102 close to the discharging mechanism, a re-separating roller 103 positioned between the feeding auger 101 and the discharging auger 102, and a rotating shaft 104; wherein, the re-separating roller 103 is a truncated cone with gradually enlarged diameter from the feeding end of the cylindrical screen 2 to the sundry discharging end of the cylindrical screen 2, and the external surface of the truncated cone is provided with threads; the screw rotation direction of the outer surface of the re-threshing roller 103 is consistent with the rotation direction of the screw auger 10 and is used for removing impurities Yu Fu close to the inner side wall of the cylindrical screen 2 and assisting the movement of large-scale impurities to the discharging mechanism;
both ends of the rotating shaft 104 are arranged on the frame 3 through bearings and bearing seat structures; the driving end of the rotating shaft 104 is provided with a belt pulley I1041;
the length of the cylinder screen 2 is longer than that of the shell 1; wherein the length of the spiral auger 10 is longer than the length of the cylindrical screen 2.
What needs to be clarified is: the pulley I1041 is driven by another corresponding pulley, which is a common technical solution in the art, and will not be described herein.
Further, the material of the re-release roller 103 is rubber.
What needs to be clarified is: the material of the re-threshing roller 103 reduces the pressure between the fine crop particles and the cylindrical screen 2 when rubber is used, preventing crushing of the fine crop particles. Of course, when the pressure between the re-release roller 103 and the cylindrical screen 2 is not large, the re-release roller 103 made of metal may be used.
Further, the cleaning mechanism comprises a fan shell 5, an impeller 6 arranged in the fan shell 5 and a cross flow fan 7 for driving the impeller 6; one end of the fan shell 5 is communicated with the shell 1, and the other end of the fan shell 5 is communicated with the outside; the suction direction generated by the impeller 6 driven by the cross flow fan 7 is vertical to the sliding plate 4.
What needs to be clarified is: the air flow generated by the cross flow fan 7 is perpendicular to the sliding plate 4, so that fine light impurities such as dust and fine weed dust in the fine crop particles on the sliding plate 4 are separated from the fine crop particles.
Further, supporting rollers 11 are uniformly distributed on the outer sides of the two ends of the cylindrical screen 2, which are positioned outside the machine shell 1; the supporting rollers 11 are all arranged on the frame 3.
What needs to be clarified is: the support roller 11 may be replaced by a support bearing.
Further, a pulley II201 is arranged outside one end, close to the feeding mechanism, of the two ends of the cylindrical screen 2, which are positioned outside the machine shell 1.
What needs to be clarified is: pulley II201 is driven by another corresponding pulley, which is a common solution in the art and will not be described in detail herein.
Further, the feeding mechanism 12 comprises a cylindrical shell 1201 with a bottom; the cylindrical housing 1201 is provided on the outside of the feeding auger 101 in the screw auger 10 and the bottom of the cylindrical housing 1201 is provided with a through hole for passing through the rotation shaft 104 in the screw auger 10; the cylindrical side of the cylindrical housing 1201 is provided with openings for feeding.
What needs to be clarified is: the diameter of the through hole provided at the bottom of the cylindrical housing 1201 is much larger than the diameter of the rotation shaft 104.
What needs to be clarified is: in order to prevent the feed mechanism 12 from leaking out, the outer diameter of the cylindrical housing 1201 is smaller than the inner diameter of the cylindrical screen 2 and the open end portion of the cylindrical housing 1201 is coaxially disposed inside the cylindrical screen 2.
Further, the discharging mechanism comprises a discharging plate 13 which is arranged on the frame 3 and is inclined downwards.
Further, the frame 3 is provided with a height adjusting device 14 for adjusting the distance between the cylinder screen 2 and the spiral auger 10 on the frame leg 301 for installing and matching the bearing of the rotating shaft 104 and the bearing seat.
What needs to be clarified is: the through hole provided at the bottom of the cylindrical housing 1201 has a larger diameter, preventing the rotation shaft 104 from interfering with the bottom of the cylindrical housing 1201 when the height adjusting device 14 adjusts the distance between the auger 10 and the cylindrical screen 2.
What needs to be clarified is: the distance between the spiral auger 10 and the cylindrical screen 2 can be adjusted according to actual conditions, so that not only can the fine-grain crops be prevented from being crushed by the re-threshing roller 103 during cleaning, but also the fine-grain crops can be adjusted according to different fine-grain crop conditions, and the loss of fine-grain crop particles from a discharging mechanism of the cylindrical screen 2 due to spiral airflow generated by the spiral auger 10 is prevented.
Further, the height adjusting means 14 includes a long hole provided on the leg 301 for adjusting a position of the bearing housing fitted with the rotation shaft 104 in the vertical direction.
What needs to be clarified is: the radial adjustment of the shaft by the long hole is a common technical means in the field.
The working process of the invention is as follows: the invention puts fine crop particles to be cleaned from a feeding mechanism 12, and the fine crop particles are in a suspension state and axially move by spiral airflow generated by the rotation of a spiral auger 10; after being filtered by the screen cloth of the cylindrical screen 2, the fine crop particles are suspended between the cylindrical screen 2 and the shell 1, and massive sundries are discharged from the interior of the cylindrical screen 2 through a spiral auger 10 in a discharging mechanism of the cylindrical screen 2; the fine-grained crop particles situated between the cylindrical screen 2 and the housing 1 are fed by the rotating fine-grained crop particles of the helical blades 9 into the lower part of the cylindrical screen 2 and fall through the slide plate 4 into the receiving box 8.
The foregoing description of the preferred embodiment of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. An inner flow type cylinder screen cleaning device for harvesting fine grain crops comprises a horizontal cylindrical shell (1) with two open ends, a screening mechanism arranged in the shell (1), a cleaning mechanism communicated with the shell (1) and a rack (3) for arranging the shell (1) and the cleaning mechanism; wherein, the feeding end of the screening mechanism is correspondingly provided with a feeding mechanism, and the other end of the screening mechanism is provided with a discharging mechanism for outputting massive impurities; the shell (1) is provided with a sliding plate (4) for conveying fine crop particles at the lower part of the screening mechanism; wherein, fine grain crop granule fall into in-process that connects workbin (8) at slide (4), through cleaning mechanism to fine debris that mixes in the fine grain crop granule induced draft edulcoration, accomplish fine grain crop and gather, its characterized in that: the screening mechanism comprises a cylindrical screen (2) coaxially arranged with the shell (1), a spiral auger (10) parallel to the axis of the cylindrical screen (2) and close to the ground for feeding, and spiral blades (9) positioned on the outer side wall of the cylindrical screen (2);
wherein, the cylinder screen (2) and the spiral auger (10) reversely rotate; the spiral auger (10) forms a suspension state of the fine crop particles to be separated entering from the feeding mechanism through spiral airflow generated by rotation of the spiral auger (10) and moves axially; after being filtered by a screen mesh of the cylindrical screen (2), fine crop particles are suspended between the cylindrical screen (2) and the machine shell (1), and massive sundries are discharged from the interior of the cylindrical screen (2) through a spiral auger (10) at a discharge mechanism of the cylindrical screen (2); the fine grain crop particles between the cylinder screen (2) and the shell (1) are conveyed into the lower part of the cylinder screen (2) through the rotation of the spiral blades (9), and fall into the receiving box (8) through the sliding plate (4);
the spiral auger (10) comprises a feeding auger (101) close to one end of the feeding mechanism, a discharging auger (102) close to the discharging mechanism, a re-threshing roller (103) positioned between the feeding auger (101) and the discharging auger (102) and a rotating shaft (104); the re-threshing roller (103) is in a truncated cone shape with the diameter gradually increased from the feeding end of the cylindrical screen (2) to the sundry discharging end of the cylindrical screen (2), and threads are arranged on the outer surface of the truncated cone shape; the screw thread rotation direction of the outer surface of the re-threshing roller (103) is consistent with the rotation direction of the screw auger (10) and is used for abutting against the inner side wall of the cylinder screen (2) to remove impurities Yu Fu and assist the movement of large sundries to the discharging mechanism;
both ends of the rotating shaft (104) are arranged on the frame (3) through bearings and bearing seat structures; the driving end of the rotating shaft (104) is provided with a belt pulley I (1041);
the length of the cylinder screen (2) is longer than that of the shell (1); wherein the length of the spiral auger (10) is longer than that of the cylindrical screen (2);
the cleaning mechanism comprises a fan shell (5), an impeller (6) arranged in the fan shell (5) and a cross flow fan (7) for driving the impeller (6); one end of the fan shell (5) is communicated with the shell (1), and the other end of the fan shell (5) is communicated with the outside; the suction direction generated by the impeller (6) driven by the cross flow fan (7) is vertical to the sliding plate (4);
the feeding mechanism (12) comprises a cylindrical shell (1201) with a bottom; the cylindrical shell (1201) is arranged on the outer side of the feeding auger (101) in the spiral auger (10), and a through hole for passing through a rotating shaft (104) in the spiral auger (10) is formed in the bottom of the cylindrical shell (1201); the cylindrical side of the cylindrical housing (1201) is provided with openings for feeding.
2. An internal flow cylindrical screen cleaning apparatus for fine grain crop harvesting as claimed in claim 1, wherein: the material of the re-release roller (103) is rubber.
3. An internal flow cylindrical screen cleaning apparatus for fine grain crop harvesting as claimed in claim 1, wherein: support rollers (11) are uniformly distributed on the outer sides of two ends of the cylindrical screen (2) which are positioned outside the machine shell (1); the supporting rollers (11) are all arranged on the frame (3).
4. An internal flow cylindrical screen cleaning apparatus for fine grain crop harvesting as claimed in claim 1, wherein: the outer side of one end, close to the feeding mechanism, of the two ends of the cylindrical screen (2) positioned outside the machine shell (1) is provided with a belt pulley II (201).
5. An internal flow cylindrical screen cleaning apparatus for fine grain crop harvesting as claimed in claim 1, wherein: the discharging mechanism comprises a discharging plate (13) which is arranged on the frame (3) and is inclined downwards.
6. An internal flow cylindrical screen cleaning apparatus for fine grain crop harvesting as claimed in claim 1, wherein: the frame (3) is used for installing and matching the bearing of the rotating shaft (104) and the frame leg (301) of the bearing seat, and is provided with a height adjusting device (14) for adjusting the distance between the cylinder screen (2) and the spiral auger (10).
7. An internal flow cylindrical screen cleaning apparatus for fine grain crop harvesting as claimed in claim 6, wherein: the height adjusting device (14) comprises a long hole arranged on the frame leg (301) and used for adjusting the position of the bearing seat matched with the rotating shaft (104) in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711437184.8A CN108338011B (en) | 2017-12-26 | 2017-12-26 | A interior flow type cylinder screen cleaning plant for fine grain crop results |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711437184.8A CN108338011B (en) | 2017-12-26 | 2017-12-26 | A interior flow type cylinder screen cleaning plant for fine grain crop results |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108338011A CN108338011A (en) | 2018-07-31 |
| CN108338011B true CN108338011B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711437184.8A Active CN108338011B (en) | 2017-12-26 | 2017-12-26 | A interior flow type cylinder screen cleaning plant for fine grain crop results |
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| Country | Link |
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| CN (1) | CN108338011B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11224169B2 (en) * | 2019-09-25 | 2022-01-18 | Deere & Company | Rotary shoe cleaner |
| CN110813512A (en) * | 2019-11-15 | 2020-02-21 | 马钢集团设计研究院有限责任公司 | Refractory stone bypass high-pressure roller grinding process of autogenous mill |
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|---|---|---|---|---|
| CN1096153A (en) * | 1993-06-05 | 1994-12-14 | 东北农学院 | Four-in-one treater for grain threashing matter |
| CN2377825Y (en) * | 1999-05-28 | 2000-05-17 | 洛阳工学院 | Grain cleaner |
| RU2171024C1 (en) * | 1999-12-21 | 2001-07-27 | ОАО "Красноярский завод комбайнов" | Grain combine |
| CN2533656Y (en) * | 2002-03-22 | 2003-02-05 | 上海农工商集团向明总公司 | Fan matched with internal drum sieve type grain cleaner & rethresher |
| CN201911071U (en) * | 2010-10-22 | 2011-08-03 | 董明慧 | Rethreshing and cleaning device for whole-feed thresher |
| CN208047357U (en) * | 2017-12-26 | 2018-11-06 | 河南科技大学 | A kind of in-flow drum sieve cleaning plant for particulate crop harvest |
-
2017
- 2017-12-26 CN CN201711437184.8A patent/CN108338011B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1096153A (en) * | 1993-06-05 | 1994-12-14 | 东北农学院 | Four-in-one treater for grain threashing matter |
| CN2377825Y (en) * | 1999-05-28 | 2000-05-17 | 洛阳工学院 | Grain cleaner |
| RU2171024C1 (en) * | 1999-12-21 | 2001-07-27 | ОАО "Красноярский завод комбайнов" | Grain combine |
| CN2533656Y (en) * | 2002-03-22 | 2003-02-05 | 上海农工商集团向明总公司 | Fan matched with internal drum sieve type grain cleaner & rethresher |
| CN201911071U (en) * | 2010-10-22 | 2011-08-03 | 董明慧 | Rethreshing and cleaning device for whole-feed thresher |
| CN208047357U (en) * | 2017-12-26 | 2018-11-06 | 河南科技大学 | A kind of in-flow drum sieve cleaning plant for particulate crop harvest |
Non-Patent Citations (1)
| Title |
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| 双风机圆筒筛清选机构参数试验与优化;姬江涛, 王雅丽;农机化研究(第03期);全文 * |
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| CN108338011A (en) | 2018-07-31 |
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