CN202514328U - Downdraught winnowing wheat thresher - Google Patents
Downdraught winnowing wheat thresher Download PDFInfo
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- CN202514328U CN202514328U CN201220096493XU CN201220096493U CN202514328U CN 202514328 U CN202514328 U CN 202514328U CN 201220096493X U CN201220096493X U CN 201220096493XU CN 201220096493 U CN201220096493 U CN 201220096493U CN 202514328 U CN202514328 U CN 202514328U
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Abstract
The utility model relates to a grain threshing and cleaning machine in agricultural machinery, and particularly relates to a downdraught winnowing wheat thresher. An existing thresher is complicated in machine structure, inconvenient to manually feed, and high in machine cost, does not clean straw powder and restricts utilization of wheat straw powder feed. The downdraught winnowing wheat thresher comprises a frame, a feeding mechanism arranged on the frame, a crushing and threshing mechanism, a lower hold, a winnowing box, an exhausting mechanism and a transmission mechanism, wherein the feeding mechanism is arranged in front of the crushing and threshing mechanism; the lower hold is arranged at the lower part of the crushing and threshing mechanism; the lower hold is connected with the winnowing box through an air flue; the winnowing box is arranged at the upper part of the crushing and threshing mechanism; and one end of the winnowing box is connected with the exhausting mechanism, and the transmission mechanism is arranged at the left and right sides of the frame. The downdraught winnowing wheat thresher is compact in structure, reasonable in power parameter design, small in machine body, lower in feeding hole, convenient to manually feed, convenient to operate, use and carry, and small in distributed power, and can clean the straw at the same time.
Description
Technical field
The utility model relates to the grain threshing in a kind of agricultural machinery and cleans machinery, is a kind of exhausting formula selection by winnowing wheat thresher specifically.
Background technology
The wheat thresher is a kind of agricultural machinery of using always, is widely used.Most wheat thresher work flow of popularizing in area, South Sinkiang, Xinjiang at present is: by manual work wheat stalk is passed through the charging aperture feed roller; Cylinder by high speed rotating passes through the cylinder tooth with crushed stalk and grain threshing again; Crushed material and cereal sieve and freely fall; Blowing gradation mechanism outwards blows out crushed material, and part cereal is blown off on the travelling sieve, crosses behind the travelling sieve to slide into by the inclined-plane to push in the groove; Agitator type pushes mechanism and elevating mechanism is transported to the secondary cleaning plant with cereal, and the secondary cleaning plant carries out the secondary cleaning with cereal and obtains clean cereal and crushed material.This shows that the secondary cleaning plant is arranged, implement structure is more numerous and diverse, body is heavy; And spout is overhead higher, and artificial feeding is very inconvenient, and carrying is inconvenient; The power of adapted is big, and relative fixed and rather spacious place will be arranged when operation, and the facility cost is high.And; The Uygur nationality of our South Sinkiang, the Xinjiang feeding method that always has wheat stalk powder and wheat bran stirring back hello cattle and sheep among the people; Occupied critical positions in this powder of straw Domestic Animal feed; But in the middle of feeding,, restricted the utilization of wheat stalk powder feed owing to there is not suitable cleaning processing equipment.
Summary of the invention
The purpose of the utility model is to overcome the shortcoming of existing thresher, and a kind of exhausting formula selection by winnowing wheat thresher is provided, compact conformation, and body is little; In light weight, cheap, charging aperture is shorter, and artificial feeding is very convenient; And simultaneously the tangerine bar is cleared up processing, manipulate and convenient in carrying, the power of adapted is little; Grain separates totally with powder of straw, not limited by the place, is convenient to the self-employed farmer and uses.
The purpose of the utility model is to realize through following technical scheme:
A kind of can with the exhausting formula selection by winnowing wheat thresher of tractor, comprise frame and be arranged on feeding mechanism, crushing thresher structure, Lower Hold, selection by winnowing case, air draft mechanism, the transmission mechanism on the frame.Said feeding mechanism is arranged on crushing thresher structure the place ahead; Crushing thresher structure bottom is provided with Lower Hold, and Lower Hold is connected with the selection by winnowing case through the air channel, and the selection by winnowing case is located at crushing thresher structure top; Selection by winnowing case one end is connected with air draft mechanism, and said transmission mechanism is arranged on the frame left and right sides.
Said feeding mechanism is fixed on the frame, and it is made up of the cylinder that is provided with in feeding hopper and the feeding hopper, and cylinder is fixed on the drum shaft; Drum shaft passes through bearing fixing on frame; Drum shaft one end is fixed with feeder house beater, is provided with tooth harrow in the cylinder, and tooth harrow descends with the drive of cylinder and cylinder rotates synchronously; Tooth harrow was in upper half indentation cylinder when cylinder rotated, and lower half stretches out outside the cylinder and with wheat harrows in the pulverizing threshing bin.
Said crushing thresher structure is fixed on the frame; It is formed by pulverizing threshing circle frame, lattice-shaped arc spacer screen and cover cap; Pulverizing threshing circle frame is the annular brandreth that is welded with band iron in appearance by a major axis; Its annular surface is welded with many row's grass-smashing reamers, and on frame, circle frame axle two ends are fixed with crushing wheel and driven wheel respectively through bearing fixing at circle frame axle two ends; Be provided with lattice-shaped arc spacer screen below the pulverizing threshing circle frame, and be fixed on the frame; Be provided with cover cap above pulverizing threshing circle frame, cover cap is a semicircular shell, and cover cap back and frame are hinged, and the cover cap right side is fixed through adjusting rod, regulates the size of pulverizing the threshing interior space through adjusting rod and alleviates the pressure that wheat tangerine pole pair is pulverized threshing circle frame.
Said Lower Hold is located at crushing thresher structure bottom, is fixed on the frame, and the Lower Hold bottom is from the exhausting road junction of the oblique centre of the right and left; Lower Hold middle part is provided with brings down stocks mouth; Bringing down stocks mouth is provided with the hinge door, and Lower Hold the right is provided with air inlet duct, clears up again for the impurity that the secondary cleaning chamber is discharged the air inlet duct import is aimed on the secondary hopper outlet; Middle part, Lower Hold bottom surface is provided with wind pumping channle, and the wind pumping channle of Lower Hold is connected through flange with the wind pumping channle of selection by winnowing case.
Be artificial feeding create convenient, be with the spout design overhead nearer, the selection by winnowing case is arranged on crushing thresher structure top.Said selection by winnowing case is fixed on the frame, is provided with selection by winnowing chamber and secondary selection by winnowing chamber in the selection by winnowing case.The place ahead, a selection by winnowing chamber is provided with the switching-over plate washer, and the rear is provided with the spill plate washer, and spill plate washer the place ahead is provided with swash plate; Spill plate washer below is provided with the grid web plate; Spill plate washer lower end connects with funnel, the pair of air inlet mouth of symmetry before and after being provided with between funnel and the swash plate, and funnel and air inlet often leave; From then on suck the part air and reduce the negative pressure degree of spill plate washer below, be convenient to sorting cereal.After the tangerine bar of grain that is come off and cavings, fragmentation etc. falls into the Lower Hold base portion together; Negative pressure in the exhaust column sucts with the foreign material such as tangerine bar that are about to grain and cavings, fragmentation; The foreign material that are inhaled into wind pumping channle and the collision of switching-over plate washer change direction and are thrown that into a selection by winnowing is indoor; Throw the indoor impurity of selection by winnowing and collide earlier on the spill plate washer and rebound, the impurity that is rebounded drops on swash plate and the grid web plate, and the foreign material of falling on the swash plate slide on the grid plate under swash plate; It is indoor that the foreign material such as tangerine bar of the contrary wind that be inhaled into from funnel and air inlet this moment cavings that self proportion is lighter, fragmentation blow to the secondary selection by winnowing; The less foreign material of partial volume slide in the funnel mouth under the inclined-plane through the grid web plate, the contrary wind that is inhaled into from funnel with self proportion light and less part foreign material of volume to blow to the secondary selection by winnowing again indoor, and full grain is bigger because of self proportion; Just pass the grain hopper outlet, realized the purpose of cleaning, separating; Top, secondary selection by winnowing chamber is provided with the switching-over link stopper, and the rear is provided with secondary spill plate washer, and secondary spill plate washer the place ahead is provided with the secondary swash plate; Secondary spill plate washer below is provided with quadratic lattice aperture plate plate; Secondary spill plate washer lower end connects with the secondary funnel, a pair of secondary air mouth of symmetry before and after being provided with between secondary funnel and the secondary swash plate, and secondary funnel and secondary air mouth are also often opened; From then on suck the part air and reduce the negative pressure degree of secondary spill plate washer below, be convenient to sorting cereal.The foreign material that are inhaled into secondary selection by winnowing chamber change the direction impelling with the collision of switching-over link stopper and to the secondary notch plate, rebound; The impurity that is rebounded drops on secondary swash plate and the quadratic lattice aperture plate plate; The foreign material of falling on the secondary swash plate slide on the quadratic lattice aperture plate plate under the secondary swash plate; The contrary wind that this moment, secondary was inhaled into from funnel and secondary air mouth cavings that self proportion is lighter, broken foreign material such as tangerine bar are drawn in the air draft mechanism through back plate mouth; The less foreign material of partial volume slide in the secondary funnel mouth under the inclined-plane through quadratic lattice aperture plate plate; The contrary wind that is inhaled into from the secondary funnel is drawn into self proportion is light and volume is less part foreign material in the air draft mechanism through back plate mouth again, and bigger grain and the part foreign material of self proportion just pass the secondary hopper outlet and get into Lower Hold again through air inlet duct.In order not allow various foreign material to enter the selection by winnowing chamber, be provided with rectangular screen pack outside the air inlet that designs on selection by winnowing chamber before and after the selection by winnowing case and the secondary selection by winnowing chamber with outside environment.
Said air draft mechanism is fixed on the frame of selection by winnowing case right side, it by wind chamber, fan blade, blade shaft, tier pole road, hook-type distinguish net, the dust discharge road is formed, wind chamber is fixed on the frame; The wind chamber air entry connects with the back plate mouth on selection by winnowing case right side, is provided with air-breathing fan blade in the wind chamber, and fan blade is fixed on blade shaft one end; On the wind chamber casing, the blade shaft other end is equipped with air-extracting wheel to blade shaft through bearing fixing, and the wind chamber rear is provided with the tier pole road; Outside the tangerine bar powder discharge machine of tier pole road with the sorting cleaning; For tangerine bar powder and dust are distinguished, come directly towards the fan blade below from wind chamber and be provided with hook-type and distinguish net, hook-type is distinguished side off the net and is provided with the dust discharge road.
Said transmission mechanism is made up of driving wheel, drive, crushing wheel, driven wheel, feeder house beater and air-extracting wheel, and driving wheel is fixed on the frame, and external power directly connects with driving wheel; Driving wheel connects with drive through belt; Drive is fixed on the frame, and drive drives crushing wheel respectively through belt and air-extracting wheel rotates, and crushing wheel and driven wheel are loaded on the same axle; So crushing wheel and driven wheel rotate synchronously, driven wheel drives feeder house beater through belt and rotates.
During work, external power drives the transmission mechanism running through driving wheel, and complete machine gets into duty.Send into wheat from the spout of feeding hopper; Wheat is harrowed in the pulverizing threshing chamber through the cylinder tooth harrow; In pulverizing threshing chamber, pulverize threshing, grain after the pulverizing threshing and cavings, broken foreign material such as tangerine bar are inhaled in the selection by winnowing case through the air draft mechanism exhausting, clean, isolate grain in the indoor foreign material such as tangerine bar with cavings, fragmentation of selection by winnowing; Grain packs outward through the funnel machine of discharging, and cavings, broken foreign material such as tangerine bar are further handled outside the back discharge machine through air draft mechanism.
The advantage of the utility model is:
The utility model compact conformation, kinetic parameter is reasonable in design, and body is little, and is in light weight; Spout is shorter, and artificial feeding is very convenient, and simultaneously the tangerine bar is cleared up processing; Economical and practical, to manipulate and convenient in carrying, the power of adapted is little; Grain separates totally with powder of straw, not limited by the place, is convenient to the self-employed farmer and uses.
Description of drawings:
Fig. 1 is the work sketch map of the utility model;
Fig. 2 is the complete machine structure left view of the utility model;
Fig. 3 is the complete machine structure right view of the utility model;
Fig. 4 is the complete machine structure rearview of the utility model;
Fig. 5 is the selection by winnowing case and the air draft mechanism work sketch map of the utility model.
Embodiment
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5; A kind of can with the exhausting formula selection by winnowing wheat thresher of tractor, comprise frame and be arranged on feeding mechanism, crushing thresher structure, Lower Hold (12), selection by winnowing case (8), air draft mechanism, the transmission mechanism on the frame (1).Said feeding mechanism is arranged on crushing thresher structure the place ahead; Crushing thresher structure bottom is provided with Lower Hold (12); Lower Hold (12) is connected with selection by winnowing case (8) through the air channel; Selection by winnowing case (8) is located at crushing thresher structure top, and selection by winnowing case (8) one ends are connected with air draft mechanism, and said transmission mechanism is arranged on frame (1) left and right sides.
Said feeding mechanism is fixed on the frame (1); It is made up of the cylinder (4) that feeding hopper (2) and feeding hopper (2) lining are provided with; Cylinder (4) is fixed on the drum shaft (47), and on frame (1), drum shaft (47) one ends are fixed with feeder house beater (20) to drum shaft (47) through bearing fixing; Be provided with tooth harrow (3) in the cylinder (4); Tooth harrow (3) rotates with cylinder (4) down with the drive of cylinder (4) synchronously, and tooth harrow (3) was in upper half indentation cylinder (4) when cylinder (4) rotated, and lower half stretches out outside the cylinder (4) and with wheat harrows in the pulverizing threshing bin.
Said crushing thresher structure is fixed on the frame (1); It is formed by pulverizing threshing circle frame (5), lattice-shaped arc spacer screen (13) and cover cap (7); Pulverizing threshing circle frame (5) is the annular brandreth that is welded with band iron in appearance by a major axis; Its annular surface is welded with many row's grass-smashing reamers (14), and on frame (1), circle frame (5) axle two ends are fixed with crushing wheel (23) and driven wheel (18) respectively through bearing fixing at circle frame (5) axle two ends; Be provided with lattice-shaped arc spacer screen (13) below the pulverizing threshing circle frame (5), and be fixed on the frame (1); Be provided with cover cap (7) above pulverizing threshing circle frame (5); Cover cap (7) is a semicircular shell; Cover cap (7) back and frame (1) are hinged; Cover cap (7) right side is fixing through adjusting rod (6), regulates the size of pulverizing the threshing interior space through adjusting rod (6) and alleviates the pressure that wheat tangerine pole pair is pulverized threshing circle frame (5).
Said Lower Hold (12) is located at crushing thresher structure bottom; Be fixed on the frame (1); Lower Hold (12) bottom is from the wind pumping channle (17) of the oblique centre of the right and left mouthful, and Lower Hold (12) middle part is provided with brings down stocks mouthful (31), bring down stocks mouthful (31) be provided with the hinge door; Lower Hold (12) the right is provided with air inlet duct (25); Again clear up in the outlet of air inlet duct (25) import aligning secondary funnel (32) for the impurity that the secondary cleaning chamber is discharged, middle part, Lower Hold (12) bottom surface is provided with wind pumping channle (17), and the wind pumping channle (17) of Lower Hold (12) is connected through flange (15) with the wind pumping channle (16) of selection by winnowing case (8).
Be artificial feeding create convenient, be with feeding hopper (2) design overhead nearer, selection by winnowing case (8) is arranged on crushing thresher structure top.Said selection by winnowing case (8) is fixed on the frame (1), and (8) are provided with selection by winnowing chamber and secondary selection by winnowing chamber in the selection by winnowing case.The place ahead, a selection by winnowing chamber is provided with switching-over plate washer (36), and the rear is provided with spill plate washer (39), and spill plate washer (39) the place ahead is provided with swash plate (37); Spill plate washer (39) below is provided with grid web plate (38); Spill plate washer (39) lower end connects with funnel (33), the pair of air inlet mouth (35) of symmetry before and after being provided with between funnel (33) and the swash plate (37), and funnel (33) and air inlet (35) often leave; From then on suck the part air and reduce the negative pressure degree of spill plate washer (39) below, be convenient to sorting cereal.After the tangerine bar of grain that is come off and cavings, fragmentation etc. falls into Lower Hold (12) base portion together; Negative pressure in the wind pumping channle (17) sucts with the foreign material such as tangerine bar that are about to grain and cavings, fragmentation; The foreign material that are inhaled into wind pumping channle (17) and switching-over plate washer (36) collision change direction and are thrown that into a selection by winnowing is indoor; Thrown the indoor impurity of selection by winnowing and collided upward bounce-back of spill plate washer (39) earlier; The impurity that is rebounded drops on swash plate (37) and the grid web plate (38); The foreign material of falling on the swash plate (37) slide on the grid plate (38) under swash plate (37), and it is indoor that the foreign material such as tangerine bar of the contrary wind that be inhaled into from funnel (33) and air inlet (35) this moment cavings that self proportion is lighter, fragmentation blow to the secondary selection by winnowing, and the less foreign material of partial volume slide on funnel (33) mouth under the inclined-plane through grid web plate (38); The contrary wind that is inhaled into from funnel (33) with self proportion light and less part foreign material of volume to blow to the secondary selection by winnowing again indoor; And full grain is bigger because of self proportion, just passes grain funnel (33) outlet, has realized the purpose of cleaning, separating; Top, secondary selection by winnowing chamber is provided with switching-over link stopper (41); The rear is provided with secondary spill plate washer (44); Secondary spill plate washer (44) the place ahead is provided with secondary swash plate (43), and secondary spill plate washer (44) below is provided with quadratic lattice aperture plate plate (46), and secondary spill plate washer (44) lower end connects with secondary funnel (32); The a pair of secondary air mouth (42) of symmetry before and after being provided with between secondary funnel (32) and the secondary swash plate (43); Secondary funnel (32) and secondary air mouth (42) are also often opened, and from then on suck the negative pressure degree that the part air reduces secondary spill plate washer (44) below, are convenient to sorting cereal.The foreign material that are inhaled into secondary selection by winnowing chamber change the direction impelling with switching-over link stopper (41) collision and go up bounce-back to secondary notch plate (44); The impurity that is rebounded drops on secondary swash plate (43) and the quadratic lattice aperture plate plate (46); The foreign material of falling on the secondary swash plate (43) slide on the quadratic lattice aperture plate plate (46) under secondary swash plate (43); The contrary wind that this moment, secondary was inhaled into from funnel (32) and secondary air mouth (42) cavings that self proportion is lighter, broken foreign material such as tangerine bar are drawn in the air draft mechanism through back plate (45) mouth; The less foreign material of partial volume slide on secondary funnel (32) mouth under the inclined-plane through quadratic lattice aperture plate plate (46); The contrary wind that is inhaled into from secondary funnel (32) is drawn into self proportion is light and volume is less part foreign material in the air draft mechanism through back plate (45) mouth again; And bigger grain and the part foreign material of self proportion just pass secondary funnel (32) outlet and get into Lower Hold (12) again through air inlet duct (25).In order not allow various foreign material to enter the selection by winnowing chamber, be provided with rectangular screen pack (34) outside air inlet (35) that designs on selection by winnowing chamber before and after the selection by winnowing case (8) and the secondary selection by winnowing chamber and the secondary air mouth (42) with outside environment.
Said air draft mechanism is fixed on selection by winnowing case (8) the right side frame (1), it by wind chamber (48), fan blade (29), blade shaft (49), tier pole road (9), hook-type distinguish net (28), dust discharge road (11) are formed, wind chamber (48) is fixed on the frame (1); Wind chamber (48) air entry connects with back plate (45) mouth on selection by winnowing case (8) right side; Be provided with air-breathing fan blade (29) in the wind chamber (48), fan blade (29) is fixed on blade shaft (49) one ends, and blade shaft (49) passes through bearing fixing on wind chamber (48) casing; Blade shaft (49) other end is equipped with air-extracting wheel (30); Wind chamber (48) rear is provided with tier pole road (9), outside tier pole road (9) tangerine bar powder discharge machine with the sorting cleaning, for tangerine bar powder and dust are distinguished; Come directly towards fan blade (29) below from wind chamber (48) and be provided with hook-type and distinguish net (28), hook-type is distinguished net (28) below and is provided with dust discharge road (11).
Said transmission mechanism is made up of driving wheel (21), drive (26), crushing wheel (23), driven wheel (18), feeder house beater (20) and air-extracting wheel (30); Driving wheel (21) is fixed on the frame (1); External power directly connects with driving wheel (21), and driving wheel (21) connects with drive (26) through belt (22), and drive (26) is fixed on the frame (1); Drive (26) drives crushing wheel (23) respectively through belt (24) and belt (27) and air-extracting wheel (30) rotates; Crushing wheel (23) is loaded on the same axle with driven wheel (18), so crushing wheel (23) rotates with driven wheel (18) synchronously, driven wheel (18) drives feeder house beater (20) through belt (19) and rotates.
Above technical characterictic has constituted the most preferred embodiment of the utility model, and it has stronger adaptability and best implementation result, also can increase and decrease inessential technical characterictic according to actual needs, satisfies the needs of different situations.
Claims (7)
1. exhausting formula selection by winnowing wheat thresher; Comprise frame (1) and be arranged on feeding mechanism, crushing thresher structure, Lower Hold (12), selection by winnowing case (8), air draft mechanism, the transmission mechanism on the frame (1); It is characterized in that: said feeding mechanism is arranged on crushing thresher structure the place ahead; Crushing thresher structure bottom is provided with Lower Hold (12), and Lower Hold (12) is connected with selection by winnowing case (8) through the air channel, and selection by winnowing case (8) is located at crushing thresher structure top; Selection by winnowing case (8) one ends are connected with air draft mechanism, and said transmission mechanism is arranged on frame (1) left and right sides.
2. exhausting formula selection by winnowing wheat thresher according to claim 1; It is characterized in that: said feeding mechanism is fixed on the frame (1), and it is made up of the cylinder (4) that feeding hopper (2) and feeding hopper (2) lining are provided with, and cylinder (4) is fixed on the drum shaft (47); Drum shaft (47) passes through bearing fixing on frame (1); Drum shaft (47) one ends are fixed with feeder house beater (20), are provided with tooth harrow (3) in the cylinder (4), and tooth harrow (3) is following and cylinder (4) rotation synchronously with the drive of cylinder (4); Tooth harrow (3) was in upper half indentation cylinder (4) when cylinder (4) rotated, and lower half stretches out outside the cylinder (4).
3. exhausting formula selection by winnowing wheat thresher according to claim 1; It is characterized in that: said crushing thresher structure is fixed on the frame (1); It is formed by pulverizing threshing circle frame (5), lattice-shaped arc spacer screen (13) and cover cap (7); Pulverizing threshing circle frame (5) is the annular brandreth that is welded with band iron in appearance by a major axis; Its annular surface is welded with many row's grass-smashing reamers (14), and on frame (1), circle frame (5) axle two ends are fixed with crushing wheel (23) and driven wheel (18) respectively through bearing fixing at circle frame (5) axle two ends; Be provided with lattice-shaped arc spacer screen (13) below the pulverizing threshing circle frame (5), and be fixed on the frame (1); Be provided with cover cap (7) above pulverizing threshing circle frame (5); Cover cap (7) is a semicircular shell; Cover cap (7) back and frame (1) are hinged; Cover cap (7) right side is fixing through adjusting rod (6), regulates the size of pulverizing the threshing interior space through adjusting rod (6) and alleviates the pressure that wheat tangerine pole pair is pulverized threshing circle frame (5).
4. exhausting formula selection by winnowing wheat thresher according to claim 1; It is characterized in that: said Lower Hold (12) is located at crushing thresher structure bottom, is fixed on the frame (1), and Lower Hold (12) bottom is from wind pumping channle (17) mouth of the oblique centre of the right and left; Lower Hold (12) middle part is provided with brings down stocks mouthful (31); Bring down stocks mouthful (31) be provided with the hinge door, Lower Hold (12) the right is provided with air inlet duct (25), air inlet duct (25) import is aimed in secondary funnel (32) outlet; Middle part, Lower Hold (12) bottom surface is provided with wind pumping channle (17), and the wind pumping channle (17) of Lower Hold (12) is connected through flange (15) with the wind pumping channle (16) of selection by winnowing case (8).
5. exhausting formula selection by winnowing wheat thresher according to claim 1; It is characterized in that: said selection by winnowing case (8) is fixed on the frame (1), and (8) are provided with selection by winnowing chamber and secondary selection by winnowing chamber in the selection by winnowing case, and the place ahead, a selection by winnowing chamber is provided with the plate washer (36) that commutates; The rear is provided with spill plate washer (39); Spill plate washer (39) the place ahead is provided with swash plate (37), and spill plate washer (39) below is provided with grid web plate (38), and spill plate washer (39) lower end connects with funnel (33); The pair of air inlet mouth (35) of symmetry before and after being provided with between funnel (33) and the swash plate (37), funnel (33) and air inlet (35) often leave; Top, secondary selection by winnowing chamber is provided with switching-over link stopper (41); The rear is provided with secondary spill plate washer (44); Secondary spill plate washer (44) the place ahead is provided with secondary swash plate (43), and secondary spill plate washer (44) below is provided with quadratic lattice aperture plate plate (46), and secondary spill plate washer (44) lower end connects with secondary funnel (32); The a pair of secondary air mouth (42) of symmetry before and after being provided with between secondary funnel (32) and the secondary swash plate (43), secondary funnel (32) and secondary air mouth (42) are also often opened; Be provided with rectangular screen pack (34) outside air inlet (35) that designs on selection by winnowing chamber before and after the selection by winnowing case (8) and the secondary selection by winnowing chamber and the secondary air mouth (42).
6. exhausting formula selection by winnowing wheat thresher according to claim 1; It is characterized in that: said air draft mechanism is fixed on selection by winnowing case (8) the right side frame (1), it by wind chamber (48), fan blade (29), blade shaft (49), tier pole road (9), hook-type distinguish net (28), dust discharge road (11) are formed, wind chamber (48) is fixed on the frame (1); Wind chamber (48) air entry connects with back plate (45) mouth on selection by winnowing case (8) right side; Be provided with air-breathing fan blade (29) in the wind chamber (48), fan blade (29) is fixed on blade shaft (49) one ends, and blade shaft (49) passes through bearing fixing on wind chamber (48) casing; Blade shaft (49) other end is equipped with air-extracting wheel (30); Wind chamber (48) rear is provided with tier pole road (9), comes directly towards fan blade (29) below from wind chamber (48) and is provided with hook-type and distinguishes net (28), and hook-type is distinguished net (28) below and is provided with dust discharge road (11).
7. exhausting formula selection by winnowing wheat thresher according to claim 1; It is characterized in that: said transmission mechanism is made up of driving wheel (21), drive (26), crushing wheel (23), driven wheel (18), feeder house beater (20) and air-extracting wheel (30); Driving wheel (21) is fixed on the frame (1); External power directly connects with driving wheel (21), and driving wheel (21) connects with drive (26) through belt (22), and drive (26) is fixed on the frame (1); Drive (26) drives crushing wheel (23) respectively through belt (24) and belt (27) and air-extracting wheel (30) rotates; Crushing wheel (23) is loaded on the same axle with driven wheel (18), so crushing wheel (23) rotates with driven wheel (18) synchronously, driven wheel (18) drives feeder house beater (20) through belt (19) and rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220096493XU CN202514328U (en) | 2012-03-15 | 2012-03-15 | Downdraught winnowing wheat thresher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220096493XU CN202514328U (en) | 2012-03-15 | 2012-03-15 | Downdraught winnowing wheat thresher |
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| Publication Number | Publication Date |
|---|---|
| CN202514328U true CN202514328U (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220096493XU Expired - Fee Related CN202514328U (en) | 2012-03-15 | 2012-03-15 | Downdraught winnowing wheat thresher |
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| Country | Link |
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| CN (1) | CN202514328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283416A (en) * | 2013-06-07 | 2013-09-11 | 阿卜杜海外尔·喀迪尔 | Threshing and seed selecting machine for wheat and oil-bearing crops and seed selecting method |
-
2012
- 2012-03-15 CN CN201220096493XU patent/CN202514328U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283416A (en) * | 2013-06-07 | 2013-09-11 | 阿卜杜海外尔·喀迪尔 | Threshing and seed selecting machine for wheat and oil-bearing crops and seed selecting method |
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