CN204134910U - Turbine multiple duct blower fan high-efficient cleaning screening device - Google Patents
Turbine multiple duct blower fan high-efficient cleaning screening device Download PDFInfo
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- CN204134910U CN204134910U CN201420507712.8U CN201420507712U CN204134910U CN 204134910 U CN204134910 U CN 204134910U CN 201420507712 U CN201420507712 U CN 201420507712U CN 204134910 U CN204134910 U CN 204134910U
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Abstract
The utility model is a kind of turbine multiple duct blower fan high-efficient cleaning screening device, and this device mainly comprises mass transport even distribution device, seed and assorted remaining conveying device, cleaning plant and transmission device; What meet large feed quantity crop efficiently cleans requirement; Turbine multiple duct compressor flow is large, air outlet wind speed is even, steady air current, antidamping ability are strong and compact conformation, Energy Efficiency Ratio are high; The shake of material vibrating sieve and the repeatedly selection by winnowing effect of turbine multiple duct blower fan, clean seed falls into seed auger, enters into tanker, falls into the assorted remaining auger of secondary, again enter compass screen surface and realize cleaning again after backhaul plate is uniform more than part is assorted.The utility model can meet feed quantity 5-8kg/s wheat, paddy rice, rape, corn, Soybean and Other Crops high-efficient high performance clean operation, cleaning loss is little, percentage of impurity is low, operating efficiency is high, compact conformation.
Description
technical field
The utility model relates to agricultural machinery cleaning plant manufacturing technology field, a kind of turbine multiple duct blower fan high-efficient cleaning screening device concretely, can be widely used in paddy rice, wheat, rape, corn, Soybean and Other Crops high-performance clean operation, favorable working performance, operating efficiency is high, compact conformation.
Background technology
Existing combined harvester great majority adopt Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve.Blower fan used mostly is quaterfoil list air channel, right angle centrifugal blower, there is the shortcomings such as interior flow field instability, air outlet wind speed is uneven, sea land distribution is very fast, Energy Efficiency Ratio is low, cannot meet the results demand of large feed quantity (>=5kg/s).Along with the continuous increase of feed quantity, the thickness of emersion object also constantly increases, in an air-flow winnowing process of quaterfoil list air channel, right angle centrifugal blower, material has little time layering, dispersion, easily piles up, and forms cleaning loss, and the cleannes of seed are also poor, cleaning efficiency is lower.Therefore traditional single air channel cleaning plant can not meet large feed quantity, moist crop clean requirement, be badly in need of utility model a kind of new high-efficient cleaning screening device.
Chinese patent CN203302024U discloses a kind of cleaning device of combined harvester, devise and a kind ofly shuttle board is separated from screen box the cleaning plant becoming an independently moving component, shuttle board lengthens by this kind of cleaning plant, the material fallen from cylinder and distribution screw feeder like this can stop the longer time on shake version, material can be carried out sufficient layering to shake loose, but the blower fan of this cleaning plant is quaterfoil list air channel, right angle centrifugal blower, cannot realize prerinse, an air-flow selection by winnowing is difficult to meet large feed quantity and cleans requirement.
Chinese patent CN101953258A discloses one and cleaning device of combined harvester, devise the cleaning plant that a kind of vibratory sieve is driven by crank rod assembly, top sieve and lower sieve are driven by toggle by this kind of cleaning plant, the vibration of body can be reduced like this, but the blower fan of this cleaning plant is still quaterfoil list air channel, right angle centrifugal blower, precleaning effect cannot be realized, and air outlet wind speed is less, uniformity is poor, but the structure of this cleaning plant entirety is more complicated, what be only applicable to baby combine cleans operation.
It is double-deck to the sieve cleaning plant that shakes that Chinese patent CN102688857A discloses a kind of two cross flow fan three air channel, it is double-deck to the sieve structure that shakes that this cleaning plant adopts two cross flow fan to add, cross flow fan air outlet wind speed is even, although adopt two cross flow fan to efficiently solve the lamination problem of emersion object, but this apparatus structure is complicated, bulky, difficult arrangement, and there is no backhaul conveying device, be difficult to meet large feed quantity and clean requirement.
There is disclosed in Chinese patent CN202697298U and CN102860182A the cleaning device of combined harvester of two outlet multiple duct, the cleaning fan of these two kinds of devices all adopts traditional corner vane type centrifugal blower, air outlet wind speed is uneven, airflow stability is poor, boundary effect is obvious, Energy Efficiency Ratio is low, sea land distribution is fast, and the layering that can not realize material is cleaned, because upper air outlet is positioned at vibratory sieve foremost, be difficult to the precleaning effect realizing material, be difficult to meet large feed quantity and clean requirement.
Japan Patent JP7-250559A discloses a kind of bimodal maps, this device mainly feeds sheller unit with half and coordinates, blower fan adopts traditional corner vane type centrifugal blower, air quantity is less, wind speed uniformity is poor, and lack backhaul conveying device, be mainly applicable to the half feeding threshing and cleaning operation that feed quantity is less.
Utility model content
The purpose of this utility model is, solve the technical disadvantages of above-mentioned cleaning plant, a kind of turbine multiple duct blower fan high-efficient cleaning screening device is provided, meet feed quantity 5-8kg/s wheat, paddy rice, rape, corn, the requirement of Soybean and Other Crops results, large feed quantity lamination problem can be solved, improve screening efficiency, and the feature such as compact conformation, Energy Efficiency Ratio are high, flow is large.
The utility model discloses turbine multiple duct high-efficient cleaning screening device, comprise cleaning plant and mass transport even distribution device, described cleaning plant comprises cleaning fan and vibratory sieve, described cleaning fan is multiple duct turbine centrifugal blower fan, described cleaning fan comprises spiral case, impeller and fan drive device, described impeller is fixed on the driving shaft of described fan drive device, described spiral case comprises air outlet and lower air outlet, described upper air outlet is positioned at the top of described vibratory sieve, and described lower air outlet is positioned at the below of described vibratory sieve.
Further, described impeller is that the curved multiple-blade of plunderring of turbine that two back-to-back type are fixedly connected with combines.Continuously can produce high speed, steady air flow, antidamping ability is strong, and Energy Efficiency Ratio is higher.
Further, described mass transport even distribution device comprises backhaul delivery board (1) and upper shuttle board (201), described upper air outlet (503) comprises upper air duct I(503a) and upper air duct II(503b), described upper air duct I(503a) be positioned at the below that shuttle board (201) exports, described upper air duct II(503b) be positioned at the below that backhaul delivery board (1) exports.Upper air duct I(503a) air-flow that blows out for the layering of upper ladder shuttle board (201) falling material, upper air duct II(503b) air-flow that blows out is for the layering of backhaul delivery board (1) falling material
Further, described upper air outlet (503) comprises air outlet spiral case (501a), and the corresponding angle φ of described upper air outlet spiral case (501a) is 85 °-100 °.Compression travel is comparatively large, the throughput of air outlet (503) in raising;
Further, split-wind plate I (506), split-wind plate II (508) are installed by described lower air outlet (504) place, described split-wind plate I (506), split-wind plate II (508) are a terminal bolt and fix, and the other end is provided with U-type groove.Freely can adjust the angle of split-wind plate with the need, thus adjustment wind direction
Further, the output shaft of described fan drive device (501) fixes 3 impellers (502).Ensure enough, stable air-out.
Further, described mass transport even distribution device comprises backhaul shuttle board (103) and upper shuttle board (201), the end mounting broach assembly respectively of described backhaul shuttle board (103) and upper shuttle board (201), described comb assembly comprises thin tooth connecting plate (1012) and comb (1011), the end of described backhaul shuttle board (103) and upper shuttle board (201) is fixed with thin tooth connecting plate (1012) respectively, and described comb (1011) is fixed on described thin tooth connecting plate (1012).Strengthen the layering of uniform rear material, loose ability.
Further, described comb (1011) upwards bending, bending angle is 10 ° ~ 15 °.
Further, vibratory sieve (2) comprises front axle (202), lower shuttle board (203), top sieve (205), guide plate (206), tail sheet (207), lower sieve (208), wind-guiding arc plate (209); Vertical range on vibratory sieve between shuttle board (201) and top sieve (205) is 80mm-100mm; The vertical range of backhaul delivery board (1) foremost and between top sieve (205) is 330mm-380mm; The loosen spacing of moving tooth (204) of backhaul delivery board (1) and vibrating sieve tail is 100mm-200mm, and described backhaul delivery board (1) is positioned at the upper right side of vibratory sieve (2), and the angle that is inclined upwardly is 3 ° ~ 15 °.
Further, under vibratory sieve, a streamlined deflector (209) is equipped with in shuttle board (203) below.In bootable air channel I (505), air-flow directly enters purge chamber along arc plate, reduce the energy loss of air-flow, prevent the generation of whirlpool, improve purge chamber's sieve leading portion air velocity, change the distribution of cleaning room airflow field, be more suitable for the sorting purpose under large feed quantity condition.
Accompanying drawing explanation
Fig. 1 is turbine multiple duct blower fan high-efficient cleaning screening device structural representation and air current flow schematic diagram
Fig. 2 is Structure of Vibrating Screen schematic diagram
Fig. 3 is backhaul transport conveyor constructions schematic diagram
Fig. 4 is the blower fan structure front view in Fig. 1
Fig. 5 is blower fan structure top view and air intake, air-out schematic diagram
Fig. 6 is transmission arrangements figure
Fig. 7 is drive path figure
Fig. 8 is that toothing front view is dredged in the layering of backhaul plate
Fig. 9 is that toothing top view is dredged in the layering of backhaul plate
In figure: 1. backhaul delivery board, 101. backhaul plate layering comb, 102. backhaul conveying front axles, 103. backhaul shuttle boards, 104. eccentric axis of rockings, 2. vibratory sieve, shuttle board on 201., 202. front axle, 203. times shuttle boards, 204. loose moving teeth, 205. top sieve, 206. guide plate, 207. tail sheet, 208. times sieves, 209. wind-guiding arc plates, 3. tailing auger, 4. seed screw feeder, 5. blower fan, 501. spiral case, 502. impeller, air outlet on 503, 504. times air outlets, 505. air channels I, split-wind plate on 506., 507 air channels II, 508. times split-wind plates, 509. air channels III, 510. fan drive device, 601. jackshaft belt pulleys, 602. blower belt dishes, 603. defeated grain screw feeder belt pulleys, 604. defeated grain screw feeder sprocket wheels, 605. tailing auger chain wheel I, 606 tailing auger chain wheel II, 607. vibratory sieve sprocket wheels, 608. backhaul delivery board sprocket wheels, 1011. dredge tooth, 1012. dredge tooth connecting plate.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described, but protection domain of the present utility model is not limited to this.
A kind of turbine multiple duct blower fan high-efficient cleaning screening device, comprises mass transport even distribution device, seed and assorted remaining conveying device, cleaning plant and transmission device.
As illustrated in fig. 1 and 2, mass transport even distribution device is by backhaul delivery board (1), upper shuttle board (201) and upper shuttle board layering comb (204) composition, the tail end that tooth (204) is positioned at shuttle board (201) is dredged in upper shuttle board layering, strengthens the layering of uniform rear material, loose ability under airflow function.Upper shuttle board (201) and vibratory sieve (2) are arranged on screen box jointly, form an entirety.Backhaul delivery board (1) is positioned at vibratory sieve (2) upper right side, and the angle that is inclined upwardly is 3 ° ~ 15 °, for the emersion object of longitudinally axial flow threshing and separating installation is transported to the upper compass screen surface (205) of vibratory sieve (2) leading portion in the middle part of.Backhaul delivery board (1) is primarily of backhaul plate layering comb (101), and backhaul conveying front axle (102), backhaul shuttle board (103) and eccentric axis of rocking (104) form.Backhaul plate layering comb (101) is positioned at the tail end of backhaul shuttle board (103), by thin tooth (1011), dredge tooth connecting plate (1012) composition, dredging tooth (1011) is welded on thin tooth connecting plate (1012), the bending angle dredging tooth is 10o-15o, the two is bolted on backhaul shuttle board (103), strengthens the layering of uniform rear material, loose ability.Streamlined guide plate (105) is housed below backhaul shuttle board, streamlined guide plate (105) from corresponding to backhaul shuttle board (103) place of top sieve (205) postmedian to corresponding to backhaul shuttle board (103) end of tail sheet (207), highly progressively increase, the longitudinal interface dimensions of cleaning room is reduced, improve tail sheet (207) place air velocity, be conducive to outside more assorted remaining blowout machine.Seed is made up of seed screw feeder (4) and tailing auger (3) with assorted remaining conveying device.Seed screw feeder (4) is positioned at the below of vibratory sieve (2), near blower fan (5) air outlet side; Tailing auger (3) is positioned at the below of vibratory sieve (2), near lower sieve (208) afterbody side.
As shown in Figures 4 and 5, cleaning plant is by cleaning fan (5) and vibratory sieve (2).Cleaning fan (5) is multiple duct turbine centrifugal blower fan, is positioned at vibratory sieve (2) lower left.Cleaning fan (5) comprises spiral case (501), impeller (502), upper air outlet (503), lower air outlet (504), split-wind plate I (506) and split-wind plate II (508), wherein spiral case (501) and impeller (502) have three groups, often organize both sides air intake, radial air-out.Impeller (502) employing two back-to-back type turbines are curved plunders multiple-blade combining structure, and continuously can produce high speed, steady air flow, antidamping ability is strong, and Energy Efficiency Ratio is higher, and under equal wind speed air quantity condition, physical dimension is less, more compact structure.
The corresponding angle φ of upper air outlet spiral case (501a) is 85 °-100 °, and compression travel is comparatively large, the throughput of air outlet (503) in raising; Simultaneously, upper air outlet (503) is divided into upper air duct I(503a) and upper air duct II(503b) two air channels, upper air duct I(503a) air-flow that blows out for the layering of upper ladder shuttle board (201) falling material, upper air duct II(503b) air-flow that blows out is for the layering of backhaul delivery board (1) falling material.The blowout air-flow of upper air outlet (503) covers the leading portion of upper ladder shuttle board (201) and upper compass screen surface (205), the blowout air-flow of upper air outlet (503) achieves the layering of shuttle board (201) and backhaul shuttle board (101) end materials, directly be blown outside machine more than gently mixing in emersion object dropping process simultaneously, both achieve the precleaning effect of large feed quantity emersion object, alleviate again follow-up cleaning load; Lower air outlet (501) is divided into three air channels by split-wind plate I (506), split-wind plate II (508), the blowout air-flow in air channel I (505) covers the first half of top sieve (205) and the leading portion of lower sieve (208), air quantity is comparatively large, wind speed is less, improve the dispersion of large feed quantity seed, thoroughly sieve ability, can not seed be blown too far away; In the latter half that the blowout air-flow in air channel II (507) covers top sieve (205) and lower sieve (208), back segment, air quantity and wind speed moderate, strengthen the dispersion of seed, thoroughly sieve ability; The blowout air-flow in air channel III (509) covers tail sheet (207), and wind speed is comparatively large, air quantity is less, improves air-flow decay distance, seed can not be blown out outside machine again.The shape of air outlet duct is trapezoidal, and uniform stream can be made to distribute, and avoids producing the high low situation of air-flow on one side; Split-wind plate I (506) and split-wind plate II (508) can regulate according to crop characteristic, and adjustable range is all ± 20 °.
As shown in figures 1 and 3, vibratory sieve (2) comprises front axle (202), lower shuttle board (203), top sieve (205), guide plate (206), tail sheet (207), lower sieve (208), wind-guiding arc plate (209); Vertical range on vibratory sieve between shuttle board (201) and top sieve (205) is 80mm-100mm; The vertical range of backhaul delivery board (1) foremost and between top sieve (205) is 330mm-380mm, for material provides enough distance of falls to carry out precleaning; The loosen spacing of moving tooth (204) of backhaul delivery board (1) and vibrating sieve tail is 100mm-200mm; Seed screw feeder (4) and tailing auger (3) are respectively in the below of vibratory sieve (2), and seed screw feeder (4) is near cleaning fan (5) air outlet.
As shown in Figure 3, under vibratory sieve, a streamlined deflector (209) is equipped with in shuttle board (203) below, in bootable air channel I (505), air-flow directly enters purge chamber along arc plate, reduce the energy loss of air-flow, prevent the generation of whirlpool, improve purge chamber's sieve leading portion air velocity, change the distribution of cleaning room airflow field, be more suitable for the sorting purpose under large feed quantity condition.
As shown in Figures 6 and 7, transmission device comprises power transmission shaft, sprocket wheel and belt pulley.Power passes to blower belt dish (602) and seed screw feeder belt pulley (603) by the jackshaft belt pulley (601) of machine, and three's rotation direction is identical; Seed screw conveyor shaft is also equipped with sprocket wheel (604), power passes to tailing auger chain wheel I (605) by sprocket wheel (604), and the two rotation direction is identical; Power is passed to vibratory sieve sprocket wheel and backhaul delivery board sprocket wheel by tailing auger chain wheel II (606) respectively, by the reverse wrapping function of sprocket wheel, vibratory sieve (2) drives direction of rotation contrary with backhaul delivery board (1), and vibratory sieve (2) differs 180o with the initial phase of backhaul delivery board (1) driving shaft.
Backhaul delivery board (1) and vibratory sieve (2) do crisscross motion, and material mix in the dither process of shuttle board, even; Cut stream installed threshing separator and deviate from material shuttle board layering comb (204) in shuttle board (201) arrival on vibratory sieve, longitudinally axial flow threshing and separating installation emersion object arrives backhaul plate layering comb (101) by backhaul delivery board (1), in the process that material becomes waterfall shape to drop, first carried out precleaning effect by the air-flow that air outlet on blower fan (501) blows out, directly be blown outside machine more than gently mixing, the total amount of material tails off, and alleviates cleaning load.Under the continuation vibrosieve effect of vibratory sieve (2), material continues to jump to from front to back, on compass screen surface, batch ingredients and thickness constantly change, in lower air outlet three air channels, air-flow repeatedly acts on and completes washing and cleaning operation further, finally clean seed falls into the defeated grain screw feeder (4) of level, through vertical defeated grain screw feeder input tanker; Do not clean clean assorted more than fall into tailing auger (3) and carry out secondary recovery, be transported to backhaul delivery board (1) by vertical tailing auger and carry out secondary and clean.
In vibratory sieve (2) and cleaning fan (5), the aperture of top sieve (205) and blower fan split-wind plate I and II can regulate, and before carrying out harvesting, we by regulating its aperture, can clean needs with what adapt to Different Crop.
Described embodiment is preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present utility model, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection domain of the present utility model.
Claims (10)
1. turbine multiple duct high-efficient cleaning screening device, it is characterized in that: comprise cleaning plant and mass transport even distribution device, described cleaning plant comprises cleaning fan (5) and vibratory sieve (2), described cleaning fan (5) is multiple duct turbine centrifugal blower fan, described cleaning fan (5) comprises spiral case (501), impeller (502) and fan drive device (510), described impeller (502) is fixed on the driving shaft of described fan drive device (510), described spiral case (501) comprises air outlet (503) and lower air outlet (504), described upper air outlet (503) is positioned at the top of described vibratory sieve (2), described lower air outlet (504) is positioned at the below of described vibratory sieve (2).
2. turbine multiple duct high-efficient cleaning screening device according to claim 1, is characterized in that, described impeller (502) is that the curved multiple-blade of plunderring of turbine that two back-to-back type are fixedly connected with combines.
3. turbine multiple duct high-efficient cleaning screening device according to claim 1, it is characterized in that, described mass transport even distribution device comprises backhaul delivery board (1) and upper shuttle board (201), described upper air outlet (503) comprises upper air duct I(503a) and upper air duct II(503b), described upper air duct I(503a) be positioned at the below that shuttle board (201) exports, described upper air duct II(503b) be positioned at the below that backhaul delivery board (1) exports.
4. turbine multiple duct high-efficient cleaning screening device according to claim 1, is characterized in that, described upper air outlet (503) comprises air outlet spiral case (501a), and the corresponding angle φ of described upper air outlet spiral case (501a) is 85 °-100 °.
5. turbine multiple duct high-efficient cleaning screening device according to claim 1, it is characterized in that, split-wind plate I (506), split-wind plate II (508) are installed by described lower air outlet (504) place, described split-wind plate I (506), split-wind plate II (508) are a terminal bolt and fix, and the other end is provided with U-type groove.
6. the turbine multiple duct high-efficient cleaning screening device according to claim 1,2,3 or 4, is characterized in that, the output shaft of described fan drive device (501) is fixed 3 impellers (502).
7. turbine multiple duct high-efficient cleaning screening device according to claim 1, it is characterized in that, described mass transport even distribution device comprises backhaul shuttle board (103) and upper shuttle board (201), the end mounting broach assembly respectively of described backhaul shuttle board (103) and upper shuttle board (201), described comb assembly comprises thin tooth connecting plate (1012) and comb (1011), the end of described backhaul shuttle board (103) and upper shuttle board (201) is fixed with thin tooth connecting plate (1012) respectively, described comb (1011) is fixed on described thin tooth connecting plate (1012).
8. turbine multiple duct high-efficient cleaning screening device according to claim 7, is characterized in that, described comb (1011) upwards bending, and bending angle is 10 ° ~ 15 °.
9. according to the turbine multiple duct high-efficient cleaning screening device in claim 1-8 described in any one, it is characterized in that, vibratory sieve (2) comprises front axle (202), lower shuttle board (203), top sieve (205), guide plate (206), tail sheet (207), lower sieve (208), wind-guiding arc plate (209); Vertical range on vibratory sieve between shuttle board (201) and top sieve (205) is 80mm-100mm; The vertical range of backhaul delivery board (1) foremost and between top sieve (205) is 330mm-380mm; The loosen spacing of moving tooth (204) of backhaul delivery board (1) and vibrating sieve tail is 100mm-200mm, and described backhaul delivery board (1) is positioned at the upper right side of vibratory sieve (2), and the angle that is inclined upwardly is 3 ° ~ 15 °.
10. turbine multiple duct high-efficient cleaning screening device according to claim 9, is characterized in that, under vibratory sieve, a streamlined deflector (209) is equipped with in shuttle board (203) below.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507712.8U CN204134910U (en) | 2014-09-04 | 2014-09-04 | Turbine multiple duct blower fan high-efficient cleaning screening device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420507712.8U CN204134910U (en) | 2014-09-04 | 2014-09-04 | Turbine multiple duct blower fan high-efficient cleaning screening device |
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| CN204134910U true CN204134910U (en) | 2015-02-04 |
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| CN201420507712.8U Expired - Fee Related CN204134910U (en) | 2014-09-04 | 2014-09-04 | Turbine multiple duct blower fan high-efficient cleaning screening device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226598A (en) * | 2014-09-04 | 2014-12-24 | 江苏大学 | High-efficiency cleaning device for turbo multi-duct blower |
| CN107616003A (en) * | 2016-07-14 | 2018-01-23 | 东风农业装备（襄阳）有限公司 | Sorting unit and its wind guiding mechanism |
-
2014
- 2014-09-04 CN CN201420507712.8U patent/CN204134910U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226598A (en) * | 2014-09-04 | 2014-12-24 | 江苏大学 | High-efficiency cleaning device for turbo multi-duct blower |
| CN107616003A (en) * | 2016-07-14 | 2018-01-23 | 东风农业装备（襄阳）有限公司 | Sorting unit and its wind guiding mechanism |
| CN107616003B (en) * | 2016-07-14 | 2023-09-15 | 易枭零部件科技(襄阳)有限公司 | Sorting device and wind guide mechanism thereof |
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