CN103548505A - Grain separating system for longitudinal axial flow type harvester - Google Patents
Grain separating system for longitudinal axial flow type harvester Download PDFInfo
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- CN103548505A CN103548505A CN201310543408.9A CN201310543408A CN103548505A CN 103548505 A CN103548505 A CN 103548505A CN 201310543408 A CN201310543408 A CN 201310543408A CN 103548505 A CN103548505 A CN 103548505A
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- fan
- screening bar
- flow type
- longitudinal axial
- cleaning system
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Abstract
The invention provides a grain separating system for a longitudinal axial flow type harvester. The grain separating system comprises a rack, wherein the upper part of the rack is provided with a threshing drum and a rethreshing device; the lower part of the threshing drum is provided with a vibrating sieve; the left side of the vibrating device is provided with a separating fan, and the lower part of the vibrating sieve is provided with a foreign-residual matter horizontal conveying auger and a grain-discharging horizontal auger; the foreign-residual matter horizontal conveying auger is connected with a vertical foreign-residual matter transferring auger which is arranged at the back part of the rack; the foreign-residual matter transferring auger is connected with the rethreshing device. The grain separating system provided by the invention has the advantages that due to the adoption of a special design structure with combination of the vibrating sieve, the fan and the threshing drum, multi-time separation can be carried out in a circulating manner, the separation is more complete and the separation efficiency is high.
Description
Technical field
The invention belongs to grain header, specifically a kind of longitudinal axial-flow type grain header grain cleaning system.
Background technology
Longitudinal axial-flow type grain header adopts the disengaging mode of longitudinal axial flow, and cereal is carried through passing a bridge backward through ceding of Taiwan feeding screw feeder, adopts blade feeding, the longitudinal tilting mode of axial-flow type drum, the relative body of axial-flow type drum tilts, and has greatly increased disengaging disengaging time, effectively reduces percent of loss.The grain cleaning system of common longitudinal axis streaming grain header, generally can only once clean, and cleans completely not, cleans effect good not.
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Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of longitudinal axial-flow type grain header grain cleaning system.
A kind of longitudinal axial-flow type grain header grain cleaning system, it is characterized in that it comprises frame, the top of described frame is provided with threshing cylinder and rethreshing device, the bottom of described threshing cylinder is provided with vibratory sieve, the left side of vibratory sieve is provided with cleaning fan, the bottom of vibratory sieve is provided with assorted remaining horizontal feed screw feeder and the horizontal screw conveyor of putting out cereal, and described assorted remaining horizontal feed screw feeder is connected with the vertical assorted remaining screw feeder that transmits that is arranged on frame back, and the assorted remaining screw feeder that transmits is connected with rethreshing device.
Described a kind of longitudinal axial-flow type grain header grain cleaning system, it is characterized in that described vibratory sieve involving vibrations screen frame (unit), in described shaker basket, be provided with screening bar bottom plate, the left and right sides, top of described screening bar bottom plate is respectively arranged with screening bar upper left fixed head and the screening bar upper right fixed head being flexibly connected with shaker basket, between described screening bar upper left fixed head and screening bar upper right fixed head, be provided with some the screening bars that are parallel to each other, the upper end of described screening bar both sides is respectively by bolt and screening bar upper left fixed head and screening bar upper right fixed head threaded, the lower end of described screening bar both sides is the both sides threaded with screening bar bottom plate by bolt respectively.
Described a kind of longitudinal axial-flow type grain header grain cleaning system, it is characterized in that between described screening bar, being provided with one regulates screening bar, on described screening bar upper left fixed head and screening bar upper right fixed head, be respectively arranged with adjusting lever with regulating the outside of screening bar junction.
Described a kind of longitudinal axial-flow type grain header grain cleaning system, the rear portion that it is characterized in that described shaker basket is provided with tail sheet, on described tail sheet, be provided with latticed screen cloth, gap between the grid Gap-Ratios screening bar of described screen cloth is large, and the bottom of described tail sheet is provided with the combination of vibratory sieve power transmission shaft.
Described a kind of longitudinal axial-flow type grain header grain cleaning system, is characterized in that described assorted remaining horizontal feed screw feeder is arranged on the bottom of tail sheet, described in the horizontal screw conveyor of putting out cereal be arranged on the bottom of shaker basket.
Described a kind of longitudinal axial-flow type grain header grain cleaning system, it is characterized in that described cleaning fan comprises fan skeleton cylindraceous, the side of described fan skeleton is welded with bellows, fan skeleton front end is provided with fan installing plate, on fan installing plate, be provided with bearing block, described bearing block is connected with the one end that is arranged on the fan shaft at fan skeleton middle part, is symmetrically arranged with 4 fan propeller on described fan shaft, and the edge of described fan propeller is provided with flanging.
Described a kind of longitudinal axial-flow type grain header grain cleaning system, it is characterized in that described 4 fan propeller are divided into 2 groups, every group comprises 2 integrated fan propeller that are oppositely arranged, 2 groups of fan propeller are fastened and connected mutually, and the middle part of described fan skeleton connects an air-flow plate by wing nut.
Described a kind of longitudinal axial-flow type grain header grain cleaning system, it is characterized in that described rethreshing device comprises columniform re-threshing roller, the surface of described re-threshing roller is provided with again de-plate tooth, described de-plate tooth again has 4 rows, every row again de-plate tooth at same on the straight line of re-threshing roller length direction, 4 rows again de-plate tooth are symmetrical on re-threshing roller surface, each row is the de-interlaced setting of plate tooth again between de-plate tooth again, not on same straight line, described de-plate tooth again arranges with respect to re-threshing roller surface tilt.
Described a kind of longitudinal axial-flow type grain header grain cleaning system, is characterized in that the incline direction of described de-plate tooth is again identical, and the angle between described de-plate tooth again and the circumferencial direction straight line of re-threshing roller is 15-30 degree.
Described a kind of longitudinal axial-flow type grain header grain cleaning system, is characterized in that the left side of described re-threshing roller is provided with spiral de-screw feeder blade again, and the right side of described re-threshing roller is provided with 2 rectangles that are oppositely arranged de-wheat scraping board again.
Longitudinal axial-flow type grain header grain cleaning system of the present invention, has adopted the special design structure of vibratory sieve, blower fan and multiple out-of-phase combination, can loop repeatedly and clean, and cleans more completely, and cleaning efficiency is high.Blower fan has adopted the blade construction of particular design, and wind is not understood outer race, wind concentration, and good separating effect, fabrication and installation are convenient, and Stability Analysis of Structures is not easy distortion; The gap that can sieve according to the size adjustment of cereal; Cmpletely, operating efficiency is high in de-threshing again, and work operation is more smooth, is not easy to block, and has avoided machine breakdown.
Accompanying drawing explanation
Fig. 1 is vertical direction structure cutaway view of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Fig. 3 is the side structure schematic diagram of cleaning fan of the present invention;
Fig. 4 is the Facad structure schematic diagram of cleaning fan of the present invention;
Fig. 5 is the side structure schematic diagram of vibratory sieve of the present invention;
Fig. 6 is the plan structure schematic diagram of vibratory sieve of the present invention;
Fig. 7 is the structural representation of re-threshing roller of the present invention;
In figure, 1-threshing roll cover; 2-vibratory sieve; 3-assorted remaining horizontal feed screw feeder; 4-the horizontal screw conveyor of putting out cereal; 5-cleaning fan; 6-threshing cylinder; 7-rethreshing device; 8-assorted remaining the screw feeder that transmits; 9-fan installing plate; 10-bearing block; 11-bellows; 12-fan propeller; 13-flanging; 14-fan skeleton; 15-right fan guard; 16-fan shaft; 17-wing nut; 18-air-flow plate; 19-left fan guard; 20-sprocket wheel; 21-flat key; 22-chuck; 23-shaft end ring; 24-front rubber peel; 25-shaker basket; 26-screening bar bottom plate; 27-split pin; 28-screening bar upper left fixed head; 29-rear rubber peel; 30-lower sieve; 31-rubber connecting plate; 32-pressing plate; The combination of 33-vibratory sieve power transmission shaft; 34-side rubber peel; 35-side rubber press strip; 36-screening bar; 37-screening bar upper right fixed head; 38-regulate and screen bar; 39-tail sheet; 40-re-threshing roller round flange; 41-de-screw feeder blade again; 42-re-threshing roller; 43-de-plate tooth again; 44-de-wheat scraping board again.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figures 1 to 7, a kind of longitudinal axial-flow type grain header grain cleaning system of the present invention, comprise frame, the top of frame is provided with threshing cylinder 6 and rethreshing device 7, the bottom of threshing cylinder 6 is provided with vibratory sieve 2, the left side of vibratory sieve 2 is provided with cleaning fan 5, the bottom of vibratory sieve 2 is provided with assorted remaining horizontal feed screw feeder 3 and the horizontal screw conveyor 4 of putting out cereal, assorted remaining horizontal feed screw feeder 3 is connected with the vertical assorted remaining screw feeder 8 that transmits that is arranged on frame back, and the assorted remaining screw feeder 8 that transmits is connected with rethreshing device 7.
Vibratory sieve involving vibrations screen frame (unit) 25, the bottom of shaker basket 25 is provided with lower sieve 30.In shaker basket 25, be provided with screening bar bottom plate 26, the left and right sides, top of screening bar bottom plate 26 is respectively arranged with screening bar upper left fixed head 28 and the screening bar upper right fixed head 37 being flexibly connected with shaker basket 25, between screening bar upper left fixed head 28 and screening bar upper right fixed head 37, be provided with some the screening bars 36 that are parallel to each other, the upper end of screening bar 36 both sides is respectively by bolt and screening bar upper left fixed head 28 and screening bar upper right fixed head 37 threaded, the lower end of screening bar 36 both sides is the both sides threaded with screening bar bottom plate 26 by bolt respectively, bolt and screening bar bottom plate 26, the junction of screening bar upper left fixed head 28 and screening bar upper right fixed head 37 is respectively arranged with split pin 27.Between screening bar 36, be provided with one and regulate screening bar 38, on screening bar upper left fixed head 28 and screening bar upper right fixed head 37, be respectively arranged with adjusting lever with regulating the outside of screening bar 38 junctions, during screening, can be by regulating lever to move screening bar upper left fixed head 28 and screening bar upper right fixed head 37, make all screening bars 36 to equidirectional rotation, thereby regulate the gap between screening bar 36.The rear portion of shaker basket 25 is provided with tail sheet 39, on tail sheet 39, be provided with latticed screen cloth, gap between the grid Gap-Ratios screening bar 36 of screen cloth is large, can make the paddy do not cleaned completely enter rethreshing device 7 by tail sheet 39 and take off again with secondary and clean.The bottom of tail sheet 39 is provided with vibratory sieve power transmission shaft combination 33, by vibratory sieve power transmission shaft combination 33, whole device is vibrated.The front end of shaker basket 25 is provided with front rubber peel 24, the both sides of shaker basket 25 are provided with side rubber peel 34, the vibration abrasion that front rubber peel 24 and side rubber peel 34 can alleviator bring during vibration, anti-locking apparatus damages, the rear portion downside of shaker basket 25 is provided with the rear rubber peel 29 turning forward, cereal after rear rubber peel 29 can make to sieve is concentrated to equidirectional and is entered next cleaning plant, rear rubber peel 29 is connected with shaker basket 25 by rubber connecting plate 31, between rear rubber peel 29 and rubber connecting plate 31, by pressing plate 32, is connected.Assorted remaining horizontal feed screw feeder 3 is arranged on the bottom of tail sheet 39, described in the horizontal screw conveyor 4 of putting out cereal be arranged on the bottom of shaker basket 25.
Cleaning fan comprises fan skeleton 14 cylindraceous, the side of fan skeleton 14 is welded with bellows 11, bellows 11 are comprised of upper and lower two inclined-planes, lateral opening, can make wind-force more concentrated, fan skeleton 14 front ends are provided with fan installing plate 9, on fan installing plate 9, be provided with bearing block 10, bearing block 10 is connected with the one end that is arranged on the fan shaft 16 at fan skeleton 14 middle parts, on fan shaft 16, be symmetrically arranged with 4 fan propeller 12, the edge of fan propeller 12 is provided with flanging 13, and the design of flanging 13 can make wind can outwards not run.4 fan propeller 12 are divided into 2 groups, and every group comprises that 12,2 groups of fan propeller 12 of 2 integrated fan propeller that are oppositely arranged are fastened and connected mutually, make blower fan fabrication and installation convenient, Stability Analysis of Structures.The middle part of fan skeleton 14 connects an air-flow plate 18 by wing nut 17, can to air quantity, regulate by it.On fan skeleton 14, the front portion of air-flow plate 18 is provided with right fan guard 15, and on fan skeleton 14, the rear portion of air-flow plate 18 is provided with left fan guard 19.The other end of fan shaft 16 is provided with sprocket wheel 20, between fan shaft 16 and sprocket wheel 20, is provided with flat key 21, and the arranged outside of the other end sprocket wheel 20 of fan shaft 16 has chuck 22, and the arranged outside of chuck 22 has shaft end ring 23.
Rethreshing device 7 comprises columniform re-threshing roller 42, the surface of re-threshing roller 42 is provided with again de-plate tooth 43, de-plate tooth 43 has 4 rows again, every row again de-plate tooth 43 at same on the straight line of re-threshing roller 42 length directions, 4 rows again de-plate tooth 43 are symmetrical on re-threshing roller 42 surfaces, each row is the de-interlaced setting of plate tooth 43 again between de-plate tooth 43 again, not on same straight line, de-plate tooth 43 arranges with respect to re-threshing roller 42 surface tilt again, the incline direction of de-plate tooth 43 is identical again, angle between de-plate tooth 43 and the circumferencial direction straight line of re-threshing roller 42 is 20 degree again, the de-plate tooth 43 again of design makes threshing more fully completely like this, and be not easy to block.The left side of re-threshing roller 42 is provided with again de-screw feeder blade 41, de-screw feeder blade 41 is spiral again, and the right side of re-threshing roller 42 is provided with again de-wheat scraping board 44, and de-wheat scraping board 44 is rectangular again, described de-wheat scraping board 44 again has 2, is oppositely arranged on re-threshing roller 42.The left end of re-threshing roller 42 is provided with re-threshing roller round flange 40.While using this device threshing, re-threshing roller 42 rotations, de-screw feeder blade 41 send paddy stalk to the right again, de-plate tooth 43 stirs paddy stalk in rotation again, paddy stalk is in the threshing that repeatedly rubs between de-plate tooth 43 and sheller unit sidewall again simultaneously, and then being taken off again wheat scraping board 44 scrapes device.
During work, paddy is introduced into threshing cylinder 6 and carries out threshing, then falling into vibratory sieve 2 screens, after screening, heavier cereal falls into the horizontal screw conveyor 4 of putting out cereal of below, lighter assortedly remainingly by blower fan, be blown into assorted remaining horizontal feed screw feeder 3, the paddy of simultaneously not cleaned completely by tail sheet 39 falls into assorted remaining horizontal feed screw feeder 3 by tail sheet 39, enters re-threshing roller 42 and takes off again, reciprocation cycle by assorted remaining transmission screw feeder 8.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within being all included in protection scope of the present invention.
Claims (10)
1. a longitudinal axial-flow type grain header grain cleaning system, it is characterized in that it comprises frame, the top of described frame is provided with threshing cylinder (6) and rethreshing device (7), the bottom of described threshing cylinder (6) is provided with vibratory sieve (2), the left side of vibratory sieve (2) is provided with cleaning fan (5), the bottom of vibratory sieve (2) is provided with assorted remaining horizontal feed screw feeder (3) and the horizontal screw conveyor of putting out cereal (4), described assorted remaining horizontal feed screw feeder (3) is connected with the vertical assorted remaining screw feeder (8) that transmits that is arranged on frame back, the assorted remaining screw feeder (8) that transmits is connected with re-threshing roller (7).
2. a kind of longitudinal axial-flow type grain header grain cleaning system as claimed in claim 1, it is characterized in that described vibratory sieve (2) involving vibrations screen frame (unit) (25), in described shaker basket (25), be provided with screening bar bottom plate (26), the left and right sides, top of described screening bar bottom plate (26) is respectively arranged with screening bar upper left fixed head (28) and the screening bar upper right fixed head (37) being flexibly connected with shaker basket (25), between described screening bar upper left fixed head (28) and screening bar upper right fixed head (37), be provided with some the screening bars (36) that are parallel to each other, the upper end of described screening bar (36) both sides is respectively by bolt and screening bar upper left fixed head (28) and screening bar upper right fixed head (37) threaded, the lower end of described screening bar (36) both sides is the both sides threaded with screening bar bottom plate (26) by bolt respectively.
3. a kind of longitudinal axial-flow type grain header grain cleaning system as claimed in claim 2, it is characterized in that between described screening bar (36), being provided with one regulates screening bar (38), described screening bar upper left fixed head (28) and screening bar upper right fixed head (37) are upper is respectively arranged with adjusting lever with regulating the outside of screening bar (38) junction.
4. a kind of longitudinal axial-flow type grain header grain cleaning system as claimed in claim 2, the rear portion that it is characterized in that described shaker basket (25) is provided with tail sheet (39), described tail sheet is provided with latticed screen cloth on (39), gap between the grid Gap-Ratios screening bar (36) of described screen cloth is large, and the bottom of described tail sheet (39) is provided with vibratory sieve power transmission shaft combination (33).
5. a kind of longitudinal axial-flow type grain header grain cleaning system as claimed in claim 4, is characterized in that described assorted remaining horizontal feed screw feeder (3) is arranged on the bottom of tail sheet (39), described in the horizontal screw conveyor (4) of putting out cereal be arranged on the bottom of shaker basket (25).
6. a kind of longitudinal axial-flow type grain header grain cleaning system as claimed in claim 1, it is characterized in that described cleaning fan comprises fan skeleton cylindraceous (14), the side of described fan skeleton (14) is welded with bellows (11), fan skeleton (14) front end is provided with fan installing plate (9), on fan installing plate (9), be provided with bearing block (10), described bearing block (10) is connected with the one end that is arranged on the fan shaft (16) at fan skeleton (14) middle part, on described fan shaft (16), be symmetrically arranged with 4 fan propeller (12), the edge of described fan propeller (12) is provided with flanging (13).
7. a kind of longitudinal axial-flow type grain header grain cleaning system as claimed in claim 6, it is characterized in that described 4 fan propeller (12) are divided into 2 groups, every group comprises 2 integrated fan propeller (12) that are oppositely arranged, 2 groups of fan propeller (12) are fastened and connected mutually, and the middle part of described fan skeleton (14) connects an air-flow plate (18) by wing nut (17).
8. a kind of longitudinal axial-flow type grain header grain cleaning system as claimed in claim 1, it is characterized in that described rethreshing device (7) comprises columniform re-threshing roller (42), the surface of described re-threshing roller (42) is provided with again de-plate tooth (43), described de-plate tooth (43) again has 4 rows, every row again de-plate tooth (43) at same on the straight line of re-threshing roller (42) length direction, 4 rows again de-plate tooth (43) are symmetrical on re-threshing roller (42) surface, each row is the de-interlaced setting of plate tooth (43) again between de-plate tooth (43) again, not on same straight line, described de-plate tooth (43) again arranges with respect to re-threshing roller (42) surface tilt.
9. a kind of longitudinal axial-flow type grain header grain cleaning system as claimed in claim 8, the incline direction that it is characterized in that described de-plate tooth (43) is again identical, and the angle between described de-plate tooth (43) again and the circumferencial direction straight line of re-threshing roller (42) is 15-30 degree.
10. a kind of longitudinal axial-flow type grain header grain cleaning system as claimed in claim 8, the left side that it is characterized in that described re-threshing roller (42) is provided with spiral de-screw feeder blade (41) again, and the right side of described re-threshing roller (42) is provided with 2 rectangles that are oppositely arranged de-wheat scraping board (44) again.
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CN201310543408.9A CN103548505B (en) | 2013-11-06 | 2013-11-06 | Longitudinal axial-flow type grain header grain cleaning system |
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CN201310543408.9A CN103548505B (en) | 2013-11-06 | 2013-11-06 | Longitudinal axial-flow type grain header grain cleaning system |
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CN103548505A true CN103548505A (en) | 2014-02-05 |
CN103548505B CN103548505B (en) | 2016-01-20 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105009841A (en) * | 2015-07-14 | 2015-11-04 | 河南科技大学 | Novel crushing and throwing roller for tobacco stalk |
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US20060281506A1 (en) * | 2005-06-09 | 2006-12-14 | Dirk Weichholdt | Grate between precleaner and sieve |
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 |
CN202722068U (en) * | 2012-07-10 | 2013-02-13 | 湖南中天龙舟农机有限公司 | Threshing and cleaning system of combine harvester |
CN203057888U (en) * | 2013-02-04 | 2013-07-17 | 福田雷沃国际重工股份有限公司 | Combine harvester threshing and cleaning device |
CN203537914U (en) * | 2013-11-06 | 2014-04-16 | 奇瑞重工浙江有限公司 | Grain cleaning system for longitudinal axial-flow type harvester |
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2013
- 2013-11-06 CN CN201310543408.9A patent/CN103548505B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060281506A1 (en) * | 2005-06-09 | 2006-12-14 | Dirk Weichholdt | Grate between precleaner and sieve |
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 |
CN202722068U (en) * | 2012-07-10 | 2013-02-13 | 湖南中天龙舟农机有限公司 | Threshing and cleaning system of combine harvester |
CN203057888U (en) * | 2013-02-04 | 2013-07-17 | 福田雷沃国际重工股份有限公司 | Combine harvester threshing and cleaning device |
CN203537914U (en) * | 2013-11-06 | 2014-04-16 | 奇瑞重工浙江有限公司 | Grain cleaning system for longitudinal axial-flow type harvester |
Cited By (1)
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CN105009841A (en) * | 2015-07-14 | 2015-11-04 | 河南科技大学 | Novel crushing and throwing roller for tobacco stalk |
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