CN102860182B - Cut vertical stream threshing separating cleaner - Google Patents
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Abstract
The present invention, for cutting vertical stream threshing separating cleaner, comprises and cuts vertical stream twin-roll installed threshing separator, emersion object conveying plant, two air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve, seed assorted remaining conveying plant, transmission system and frame.Cut stream installed threshing separator mainly to comprise flow-cut threshing cylinder, cut stream notch board and cut stream top cover; Longitudinally axial flow threshing and separating installation mainly comprises longitudinally axial flow threshing cylinder, conical flow guiding cover, longitudinal axial flow top cover and longitudinal axial flow notch board; Emersion object conveying plant is for cutting stream emersion object shuttle board and longitudinal axial flow emersion object shuttle board; Two air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve comprises two air channel multiple-blade axial flow blower and double-deck screen shale shaker; The assorted remaining conveying plant of seed comprises tailing auger, the assorted remaining outlet of secondary and seed screw feeder.The present invention can meet the crop harvesting requirements such as feed quantity 3.5 ~ 7kg/s paddy rice, wheat, rape, barley and beans, operating efficiency 10 ~ 20 mu/hour, and threshing separating power is strong, and grain loss rate, percentage of impurity is low.
Description
Technical field
The present invention relates to crops mechanical threshing cleaning plant manufacturing technology field, be that one cuts vertical stream threshing separating cleaner concretely, can be widely used in gathering in the crops paddy rice, wheat, the high-performance results of rape, barley and beans etc.
Background technology
Along with crop varieties continuous renewal, output progressively improve; especially country encourages the appearance of the policies such as land right of use flowing, the integration of fragmentation soil; China's modern agriculture large-scale production is just progressively formed, and this Combine Harvester transaction capabilities and efficiency are had higher requirement.
Tradition full feed type transverse-axis-flow combined harvester is by the restriction of transverse machine bulk, and the ability of its core work parts threshing separation, cleaning plant is obviously restricted, and cannot meet the growth requirement of China's combined harvester.The difficult problems such as grass, threshing are unclean, entrainment loss increases sharply are taken out in the clamping that half-feed combine harvester effectively can not solve wide swath, high canopy brings that Kubo field, foreign horse, company of large equal Japan and Korea S produce, when fringe width difference is larger, results effect is more undesirable.
Full feed type is cut vertical stream combined harvester and is adopted advanced cutting to flow and longitudinal axial flow Combined threshing isolation technics, threshing stroke is long, separating area is large, can boost productivity when not increasing body volume, threshing performance is high, percentage of damage is low, good to moist, difficult de-crop adaptability.
Cut stream disclosed in Chinese patent ZL03250419.5 to become to cut disclosed in control and the combining device of longitudinal axial flow and Chinese patent ZL00137715.9 and to flow and longitudinal axial flow Combined threshing separator comprises and cuts flow threshing device, the auxiliary feeding device of light cylinder and tooth plate cylinder composition, longitudinal axial flow threshing device, complex structure, volume is larger, cost is higher, generally be configured in feed quantity 6-8kg/s, in the large-scale wheel type combine harvester of swath more than 4 meters, operating efficiency be 15-20 mu/hour, this device is for gathering in the crops wheat, during the Dry crops such as rape, operation effectiveness is better, results are difficult de-, during the high paddy rice of moisture content, power consumption is larger, easily there is plugging fault.Longitudinal axial flow threshing device disclosed in Chinese patent CN200920118544.2, CN201110172174.2 and CN201120217361.3 is longitudinal axial flow list cylinder threshing separator, generally be configured on all feeding-in combine of feed quantity 2-3kg/s, operating efficiency be 6-10 mu/hour.When this device gathers in the crops the high-yield rice of per mu yield more than 750 kilograms, machine total loss rate and percentage of impurity significantly increase, power consumption becomes large, and operating efficiency obviously declines.
Summary of the invention
The object of the invention is the technical disadvantages overcoming above-mentioned threshing cleaning unit, there is provided one can be configured on track combine, meet the crop harvesting requirements such as feed quantity 3.5 ~ 7kg/s paddy rice, wheat, rape, barley and beans, operating efficiency 15-20 mu/hour, have threshing separating power strong, stream threshing separating cleaner is indulged in grain loss rate and low the cutting of percentage of impurity.
The technical solution used in the present invention is, cutting vertical stream threshing separating cleaner mainly to comprise and cut vertical stream twin-roll installed threshing separator, emersion object conveying plant, two air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve, seed assorted remaining conveying plant, transmission system and frame, wherein cutting longitudinal axial flow twin-roll installed threshing separator primarily of cutting stream installed threshing separator and longitudinally axial flow threshing and separating installation composition.It is characterized in that, cut stream installed threshing separator and mainly comprise flow-cut threshing cylinder, cut stream notch board and cut stream top cover; Longitudinally axial flow threshing and separating installation mainly comprises longitudinally axial flow threshing cylinder, conical flow guiding cover, longitudinal axial flow top cover and longitudinal axial flow notch board; Emersion object conveying plant is for cutting stream emersion object shuttle board and longitudinal axial flow emersion object shuttle board; Two air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve comprises two air channel multiple-blade axial flow blower and double-deck screen shale shaker; The assorted remaining conveying plant of seed comprises tailing auger, the assorted remaining outlet of secondary and seed screw feeder.
Cut stream installed threshing separator between delivery chute and longitudinally axial flow threshing and separating installation, capture after carrying out preliminary threshing separation from crop in delivery chute, crop is thrown to the longitudinally axial flow threshing and separating installation being positioned at rear and realize multiple de-separation; The top sieve front end of two air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve is evenly transported to through cutting stream emersion object shuttle board from cutting the isolated emersion object of stream notch board, be delivered in the middle part of pair top sieve of air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve by longitudinal axial flow emersion object shuttle board from the isolated emersion object of longitudinal axial flow notch board, cut stream and realize seed and assorted remaining being separated with longitudinal axial flow emersion object in the effect of air-flow, compass screen surface; The seed screw feeder being positioned at bottom achieves the conveying of clean seed, and tailing auger will assorted remaining conveying dishing out longitudinal axial flow emersion object shuttle board from the assorted remaining outlet of secondary, again cleans.
Cut the below that stream notch board is positioned at flow-cut threshing cylinder, comprise cut stream feeding dull and stereotyped, cut stream grid concave plate and cut stream and throw flat board, wherein cut stream grid concave plate to cut stream feeding dull and stereotyped and cut stream and throw between flat board, cut stream notch board and delivery chute joining place be smooth cut to flow feed flat board, guiding crop enters and cuts stream installed threshing separator; Cutting stream notch board and conical flow guiding cover joining place is that smooth stream of cutting throws flat board, raising crop throw ability.
Longitudinally axial flow threshing and separating installation is low early and high after being in tilted layout, longitudinally axial flow threshing cylinder axis and machine advance horizontal direction angle are 0 ~ 15 °, longitudinally axial flow threshing drum front end feeding auger head comprises spiral feeding blade, anti-tangle plate and spiral feeding head inner core, wherein the outer end of spiral feeding blade is pre-large post-small inverted cone-shaped structure, and spiral feeding head inner core is pre-large post-small pyramidal structure; Conical flow guiding cover comprises conical flow guiding over body case and spiral stream guidance blade, and the conical flow guiding over body case be positioned at outside spiral feeding blade is pre-large post-small inverted cone-shaped structure, front end with cut that to flow notch board wide, rear end is concordant with longitudinal axial flow top cover with longitudinal axial flow notch board; Conical flow guiding over body case internal placement has multiple spiral stream guidance blade, and the longitudinal axial flow roller front end spiral feeding blade of High Rotation Speed coordinates with conical flow guiding cover and forms powerful pneumatic transportation effect, strengthens the smooth and easy conveying capacity of the not damaged of crop.
Double-deck screen shale shaker is made up of top sieve, lower sieve, tail sheet, connection connecting lever and vibratory sieve driving mechanism; Cut the top sieve front upper place that stream emersion object shuttle board is positioned at double-deck screen shale shaker, joining place is interlaced; Tail sheet is positioned at the rear of top sieve, for discharging long stalk; Lower sieve is positioned at the below of top sieve, completes the screening of clean seed; Longitudinal axial flow emersion object shuttle board (10) by connect connecting lever be arranged on cutting on same screen box flow emersion object shuttle board, top sieve, lower sieve and tail sheet realize under the effect of vibratory sieve driving mechanism front and back to the reciprocating motion of shaking, reduce vibration out-of-balance force.
Two air channels multiple-blade axial flow blower is by upper air outlet, volute of blower, fan blade, lower air outlet and split-wind plate, wherein volute of blower is positioned at the outside of fan blade, and under the air-flow that fan blade High Rotation Speed is formed always is arranged in blower fan rear respectively, air outlet blows out with the upper air outlet be positioned at above blower fan; Upper air outlet is being cut stream emersion object shuttle board and is cleaning between top sieve, realizes light assorted remaining selection by winnowing; Lower air outlet is divided into multiple region by the split-wind plate be arranged in lower air outlet, covers whole top sieve, lower sieve and tail sheet.
Described flow-cut threshing cylinder is spike-tooth or knife tine cylinder, and cut stream notch board access space 10 ~ 40mm adjustable, outlet gap 10 ~ 40mm is adjustable, improves the adaptability to crop.
Described longitudinally axial flow threshing cylinder is spike-tooth or spike-tooth-tooth plate combination roll, and longitudinally axial flow threshing cylinder, longitudinal axial flow notch board and longitudinal axial flow top cover adopt eccentric configuration, and 10 ~ 40mm is adjustable for longitudinal axial flow notch board leading portion cylinder-concave clearance, improves the separating power to crop.
The invention has the beneficial effects as follows, be configurable on feed quantity 3.5 ~ 7kg/s track combine, meet the high-performance mechanicalization results requirement of the crops such as paddy rice, wheat, rape, barley and beans, have that operating efficiency is high, threshing separating power be strong, threshing separation power is lower, grain loss rate and the advantage such as percentage of impurity is low.
Accompanying drawing explanation
Fig. 1 cuts vertical stream threshing separating cleaner structural representation front view.
Fig. 2 cuts vertical stream threshing separating cleaner structural representation vertical view.
Fig. 3 cuts stream notch board structural representation front view.
Fig. 4 cuts stream notch board structural representation vertical view.
Fig. 5 is that conical flow guiding cover feeds head with longitudinally axial flow threshing cylinder spiral and coordinates schematic diagram.
Fig. 6 is that schematic diagram arranged by longitudinal axial flow emersion object shuttle board and double-deck screen shale shaker.
Fig. 7 is two air channels multiple-blade axial flow blower structural representations.
In figure, 1. cut stream top cover, 2. flow-cut threshing cylinder, 3. cut stream notch board, 301. cut stream feeding flat board, 302. cut stream grid concave plate, 303. cut stream throws flat board, 4. conical flow guiding cover, 401. conical flow guiding over body case 402. spiral stream guidance blade 5. longitudinal axial flow notch board 6. longitudinally axial flow threshing cylinder 601. spiral feeding blade 602. anti-tangle plate 603. spiral feeding head inner core 7. longitudinal axial flow top cover 8. transmission system 9. frame 10. longitudinal axial flow emersion object shuttle board 11. tailing auger 12. double-deck screen shale shaker 1201. top sieve, 1202. times sieve 1203. tail sheets 1204. connect connecting lever 1205. vibratory sieve driving mechanism 13. 2 assorted remaining outlet 14. seed screw feeders 15. and cut air outlet 1602. volute of blower 1603. fan blade 1604. times air outlet 1605. split-wind plates on stream emersion object shuttle board 16. pairs of air channel multiple-blade axial flow blowers 1601..
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As depicted in figs. 1 and 2, cutting vertical stream threshing separating cleaner mainly to comprise and cut vertical stream twin-roll installed threshing separator, emersion object conveying plant, two air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve, seed assorted remaining conveying plant, transmission system 8 and frame 9, wherein cutting longitudinal axial flow twin-roll installed threshing separator primarily of cutting stream installed threshing separator and longitudinally axial flow threshing and separating installation composition.Cut stream installed threshing separator mainly to comprise flow-cut threshing cylinder 2, cut stream notch board 3 and cut stream top cover 1; Longitudinally axial flow threshing and separating installation mainly comprises longitudinally axial flow threshing cylinder 6, conical flow guiding cover 4, longitudinal axial flow top cover 7 and longitudinal axial flow notch board 5; Emersion object conveying plant is for cutting stream emersion object shuttle board 15 and longitudinal axial flow emersion object shuttle board 10; Two air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve comprises two air channels multiple-blade axial flow blower 16 and double-deck screen shale shaker 12; The assorted remaining conveying plant of seed comprises tailing auger 11, the assorted remaining outlet 13 of secondary and seed screw feeder 14.
As shown in Figure 3 and Figure 4, cut the below that stream notch board 3 is positioned at spike-tooth or knife tine cylinder flow-cut threshing cylinder 2, comprise cutting stream feeding flat board 301, cut stream grid concave plate 302 and cutting stream and throw dull and stereotyped 303, wherein cut stream notch board 3 and delivery chute joining place be smooth cut flow feed flat board 301, guiding crop enters and cuts stream installed threshing separator; Cutting stream notch board 3 with conical flow guiding cover 4 joining place is that smooth stream of cutting throws dull and stereotyped 303, and that improves crop throws ability.Cut stream notch board 3 access space 10 ~ 40mm adjustable, outlet gap 10 ~ 40mm is adjustable.
As shown in Figure 1 and Figure 5, longitudinally axial flow threshing and separating installation is low early and high after being in tilted layout, longitudinally axial flow threshing cylinder 6 axis and machine advance horizontal direction angle are 0 ~ 15 °, longitudinally axial flow threshing cylinder 6 front end feeding auger head comprises spiral feeding blade 601, anti-tangle plate 602 and spiral feeding head inner core 603, wherein the outer end of spiral feeding blade 601 is pre-large post-small inverted cone-shaped structure, and spiral feeding head inner core 603 is pre-large post-small pyramidal structure; Be positioned at spiral feeding blade 601) the conical flow guiding over body case 401 in outside in pre-large post-small inverted cone-shaped structure, front end with cut that to flow notch board 3 wide, rear end and longitudinal axial flow notch board 5 wide; Conical flow guiding over body case 401 internal placement has multiple spiral stream guidance blade 402, the longitudinal axial flow roller front end spiral feeding blade 601 of High Rotation Speed coordinates with conical flow guiding cover 4 and forms airflow like class axial-flow pump and inhale and operate use, strengthens the smooth and easy conveying capacity of the not damaged of crop.Spike-tooth or spike-tooth-tooth plate combination roll longitudinally axial flow threshing cylinder 6, longitudinal axial flow notch board 5 and longitudinal axial flow top cover 7 adopt eccentric configuration, and 10 ~ 40mm is adjustable for longitudinal axial flow notch board leading portion cylinder-concave clearance, improves the separating power to crop.
As shown in Figure 6, double-deck screen shale shaker 12 is made up of top sieve 1201, lower sieve 1202, tail sheet 1203, connection connecting lever and vibratory sieve driving mechanism 1205; Longitudinal axial flow emersion object shuttle board 10, by connecting connecting lever and being arranged on cutting on same screen box and flow emersion object shuttle board 15, top sieve 1201, lower sieve 1202 and tail sheet 1203 and realize front and back to the reciprocating motion of shaking under the effect of vibratory sieve driving mechanism 1205, reduces vibration out-of-balance force.
As shown in Figure 7, two air channels multiple-blade axial flow blower 16 is by upper air outlet 1601, volute of blower 1602, fan blade 1603, lower air outlet 1604 and split-wind plate 1605, wherein go up air outlet 1601 cutting stream emersion object shuttle board 15 and cleaning between top sieve 1201, realize light assorted remaining selection by winnowing; Lower air outlet 1604 is divided into multiple region by split-wind plate 1605, covers whole top sieve 1201, lower sieve 1202 and tail sheet 1203.
Cut stream installed threshing separator between delivery chute and longitudinally axial flow threshing and separating installation, capture after carrying out preliminary threshing separation from crop in delivery chute, crop is thrown to the longitudinally axial flow threshing and separating installation being positioned at rear and realize multiple de-separation; Top sieve 1201 front end of two air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve is evenly transported to through cutting stream emersion object shuttle board 15 from cutting the isolated emersion object of stream notch board 3, be delivered in the middle part of pair top sieve 1201 of air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve by longitudinal axial flow emersion object shuttle board 10 from the isolated emersion object of longitudinal axial flow notch board 5, cut stream and realize seed and assorted remaining being separated with longitudinal axial flow emersion object in the effect of air-flow, compass screen surface; The seed screw feeder 14 being positioned at bottom achieves the conveying of clean seed, and tailing auger 11 will assorted remaining conveying dishing out longitudinal axial flow emersion object shuttle board 10 from the assorted remaining outlet 13 of secondary, again cleans.
The feed quantity cut when indulging stream threshing separating cleaner results paddy rice of this model is 3.5 ~ 7kg/s, and operating efficiency 10 ~ 20 mu/hour, total power consumption is 20 ~ 40KW, threshing and cleaning total loss rate≤2.5%, seed percentage of impurity≤1.5%, seed damage rate≤1.5%.
Claims (3)
1. cut vertical stream threshing separating cleaner, it is characterized in that, comprise and cut vertical stream twin-roll installed threshing separator, emersion object conveying plant, two air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve, seed assorted remaining conveying plant, transmission system (8) and frame (9), described in cut vertical stream twin-roll installed threshing separator and comprise cutting and flow installed threshing separator and longitudinally axial flow threshing and separating installation; Cut stream installed threshing separator to comprise flow-cut threshing cylinder (2), cut stream notch board (3) and cut stream top cover (1); Longitudinally axial flow threshing and separating installation comprises longitudinally axial flow threshing cylinder (6), conical flow guiding cover (4), longitudinal axial flow top cover (7) and longitudinal axial flow notch board (5); Emersion object conveying plant is for cutting stream emersion object shuttle board (15) and longitudinal axial flow emersion object shuttle board (10); Two air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve comprises two air channel multiple-blade axial flow blower (16) and double-deck screen shale shaker (12); The assorted remaining conveying plant of seed comprises tailing auger (11), secondary assorted remaining outlet (13) and seed screw feeder (14);
Cut stream installed threshing separator between delivery chute and longitudinally axial flow threshing and separating installation, capture after carrying out preliminary threshing separation from crop in delivery chute, crop is thrown to the longitudinally axial flow threshing and separating installation being positioned at rear and realize multiple de-separation; Top sieve (1201) front end of two air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve is evenly transported to through cutting stream emersion object shuttle board (15) from cutting stream notch board (3) isolated emersion object, be delivered to top sieve (1201) middle part of two air channels Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve from longitudinal axial flow notch board (5) isolated emersion object by longitudinal axial flow emersion object shuttle board (10), cut stream and realize seed and assorted remaining being separated with longitudinal axial flow emersion object in the effect of air-flow, compass screen surface; The seed screw feeder (14) being positioned at bottom achieves the conveying of clean seed, and tailing auger (11) will be mixed remaining conveying dishing out longitudinal axial flow emersion object shuttle board (10) from the assorted remaining outlet (13) of secondary, again clean;
Cut the below that stream notch board (3) is positioned at flow-cut threshing cylinder (2), comprise and cut stream feeding dull and stereotyped (301), cut stream grid concave plate (302) and cut stream and throw flat board (303), cut stream grid concave plate (302) and be positioned to cut stream feeding flat board (301) and cut stream and throw between flat board (303); Described cut stream notch board (3) and delivery chute joining place be smooth cut flow feed flat board (301), crop enters and cuts stream installed threshing separator in guiding; Cutting stream notch board (3) with conical flow guiding cover (4) joining place is that smooth stream of cutting throws flat board (303);
Longitudinally axial flow threshing and separating installation is low early and high after being in tilted layout, longitudinally axial flow threshing cylinder (6) axis and machine advance horizontal direction angle are 0 ~ 15 °, longitudinally axial flow threshing cylinder (6) front end feeding auger head comprises spiral feeding blade (601), anti-tangle plate (602) and spiral feeding head inner core (603), the outer end of described spiral feeding blade (601) is pre-large post-small inverted cone-shaped structure, and spiral feeding head inner core (603) is pre-small post-large pyramidal structure; Conical flow guiding cover (4) comprises conical flow guiding over body case (401) and spiral stream guidance blade (402), be positioned at the conical flow guiding over body case (401) in spiral feeding blade (601) outside in pre-large post-small inverted cone-shaped structure, front end with cut that to flow notch board (3) wide, rear end is concordant with longitudinal axial flow top cover (7) with longitudinal axial flow notch board (5); Conical flow guiding over body case (401) internal placement has spiral stream guidance blade (402), longitudinal axial flow roller front end spiral feeding blade (601) of High Rotation Speed coordinates with conical flow guiding cover (4) and forms powerful pneumatic transportation effect, strengthens the smooth and easy conveying capacity of the not damaged of crop;
Double-deck screen shale shaker (12) comprises top sieve (1201), lower sieve (1202), tail sheet (1203), connects connecting lever and vibratory sieve driving mechanism (1205); Cut top sieve (1201) front upper place that stream emersion object shuttle board (15) is positioned at double-deck screen shale shaker (12), joining place is interlaced; Tail sheet (1203) is positioned at the rear of top sieve (1201), discharges long stalk; Lower sieve (1202) is positioned at the below of top sieve (1201), completes the screening of clean seed; Longitudinal axial flow emersion object shuttle board (10) by connect connecting lever be arranged on cutting on same screen box flow emersion object shuttle board (15), top sieve (1201), lower sieve (1202) and tail sheet (1203) under the effect of vibratory sieve driving mechanism (1205) front and back to the reciprocating motion of shaking, reduce vibration out-of-balance force;
Two air channel multiple-blade axial flow blower (16) comprises air outlet (1601), volute of blower (1602), fan blade (1603), lower air outlet (1604) and split-wind plate (1605), described volute of blower (1602) is positioned at the outside of fan blade (1603), and the air-flow that fan blade (1603) High Rotation Speed is formed always is arranged in air outlet (1604) and the upper air outlet (1601) be positioned at above blower fan under blower fan rear respectively and blows out; Upper air outlet (1601) is positioned to be cut stream emersion object shuttle board (15) and cleans between top sieve (1201), more than light mixing, carry out selection by winnowing; Split-wind plate (1605) is arranged in lower air outlet (1604), covers whole top sieve (1201), lower sieve (1202) and tail sheet (1203).
2. according to claim 1 cutting indulges stream threshing separating cleaner, it is characterized in that, described flow-cut threshing cylinder (2) is spike-tooth or knife tine cylinder, cuts between stream notch board (3) access space 10 ~ 40mm adjustable, adjustable between outlet gap 10 ~ 40mm, improve the adaptability to crop.
3. according to claim 1 cutting indulges stream threshing separating cleaner, it is characterized in that, described longitudinally axial flow threshing cylinder (6) is spike-tooth or spike-tooth-tooth plate combination roll, longitudinally axial flow threshing cylinder (6), longitudinal axial flow notch board (5) and longitudinal axial flow top cover (7) adopt eccentric configuration, 10 ~ 40mm is adjustable for longitudinal axial flow notch board (5) leading portion cylinder-concave clearance, improves the separating power to crop.
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| CN201210355877.3A CN102860182B (en) | 2012-09-24 | 2012-09-24 | Cut vertical stream threshing separating cleaner |
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| CN202773468U (en) * | 2012-09-24 | 2013-03-13 | 江苏大学 | Longitudinal flow cutting threshing separation cleaning device |
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| CN102860182A (en) | 2013-01-09 |
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