CN104025813A - Full-feeding combined harvesting threshing device - Google Patents
Full-feeding combined harvesting threshing device Download PDFInfo
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- CN104025813A CN104025813A CN201410291260.9A CN201410291260A CN104025813A CN 104025813 A CN104025813 A CN 104025813A CN 201410291260 A CN201410291260 A CN 201410291260A CN 104025813 A CN104025813 A CN 104025813A
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Abstract
The invention relates to a full-feeding combined harvesting threshing device which comprises a body. A front transverse tangential-flow drum, a transitional guide plate and a rear longitudinal axial-flow drum are sequentially mounted on the body, a front grid concave sieve is arranged below the front transverse tangential-flow drum, a rear grid concave sieve is arranged below the rear longitudinal axial-flow drum, a swing type vibrating sieve is mounted below the front grid concave sieve and the rear grid concave sieve, a fan, a primary auger and a secondary auger are mounted below the swing type vibrating sieve, and a stem cutting device is mounted at the rear of the swing type vibrating sieve. The full-feeding combined harvesting threshing device is characterized in that the transverse center line of the front transverse tangential-flow drum and the axial center line of the rear longitudinal axial-flow drum are positioned on the straight line; a plurality of punched holes are uniformly formed in the transitional guide plate. The rear longitudinal axial-flow drum comprises threshing toothed bars and a feeding head, the feeding head is mounted at the ends of the threshing toothed bars, and three spiral blades are arranged on the circumferential surface of the feeding head. The full-feeding combined harvesting threshing device has the advantages that the conveying and threshing abilities can be improved, the feeding quantity can be increased, and the loss ratio can be reduced.
Description
Technical field
The sheller unit that the present invention relates to a kind of full feeding combining, belongs to agricultural machinery technological field.
Background technology
In prior art, the threshing cylinder of all feeding-in combine be take longitudinal axial-flow type drum and pressure-bearing type axial-flow type drum as main, and production efficiency is low, and grain loss is large.And the preposition cut flow roller of cutting vertical stream all feeding-in combine is pressure-bearing type, rearmounted axial-flow type drum is longitudinal, and the transverse center of preposition cut flow roller becomes offset to arrange with respect to rearmounted axial-flow type drum axis, and the spiral feeding head of rearmounted axial-flow type drum adopts two helical pitches.This arranges that relatively single longitudinal axial flow whole-feeding combine harvester feed quantity increases to some extent, but because the transverse center of preposition cut flow roller becomes offset to arrange with respect to rearmounted axle cylinder axis, biasing one side produces dead angle and easily produces crop and pile up at this, easily result in blockage, and carry not smooth, impact normally harvesting.In addition, its transmission be take chain transmission as main, and complex structure, noise are large, poor reliability.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of sheller unit of full feeding combining is provided, improve and carry and threshing ability, increase feed quantity, reduce percent of loss.
According to technical scheme provided by the invention, the sheller unit of described full feeding combining, comprise body, preposition horizontal cut flow roller and rearmounted longitudinal axis flow drum are installed on body, between preposition horizontal cut flow roller outlet and the feeding mouth of rearmounted longitudinal axis flow drum, transition guide plate is set, grid concave plate sieve before arranging below preposition horizontal cut flow roller, grid concave plate sieve after arranging below rearmounted longitudinal axis flow drum, below front grid concave plate sieve and rear grid concave plate sieve, swing type vibratory sieve is installed, provided with fan below swing type vibratory sieve, screw feeder and secondary screw feeder, Apparatus for cutting stalk into pieces is installed at rear at swing type vibratory sieve, it is characterized in that: the cross central line of described preposition horizontal cut flow roller and the longitudinal center line of rearmounted longitudinal axis flow drum are located along the same line, on described transition guide plate, be evenly arranged some punchings.
Further, described rearmounted longitudinal axis flow drum comprises threshing toothed bar and the feeding head that is installed on threshing toothed bar end, and the periphery of feeding head is provided with three helical blades, is respectively the first helical blade, the second helical blade and triple helical blade.
Further, at the positive and negative of described the first helical blade, the second helical blade and triple helical blade, abrasion-resistant blade is installed respectively.
Further, the power intake of described preposition horizontal cut flow roller connects one end of the first chain, the other end of the first chain connects the input of bevel gear housing, the output of bevel gear housing is connected with one end of transmission combined cover, the other end of transmission combined cover is connected with power transmission shaft one end, the other end of power transmission shaft connects one end of the second chain, and the other end of the second chain connects the power intake of rearmounted longitudinal axis flow drum.
Further, described swing type vibratory sieve comprises sieve nest, and the middle part of sieve nest arranges deadlight, and deadlight is separated into two regions, left and right by sieve nest, in the region, two of left and right of sieve nest, some sieves are set, the two ends of sieve are pressed from both sides and are fixed on sieve nest and deadlight by sieve respectively; Afterbody at described sieve nest arranges tail sheet, and tail sheet is arranged at the both sides of deadlight; The front end of described sieve nest and one end of fork are hinged, and the other end of fork is connected with body by fork bearing pin, and two camshaft bearings are installed in the rear end of described sieve nest, in camshaft bearing, support swinging axle.
Further, in described sieve nest both sides, sieve connecting plate is set, sieve connecting plate links together all sieve folders, and sieve connecting plate is connected with sieve adjusting rod by regulating block.
Further, below described sieve nest, be provided with screen cloth.
Further, the input of a described screw feeder is arranged on body by a screw conveyor shaft bearing, input at a screw feeder is installed belt pulley, a screw feeder is arranged on and connects in shell, a side that connects shell is fixed on body, the opposite side that connects shell is installed the first bevel gear box, the first vertical axis, the first bevel gear and the second vertical axis are housed respectively in the first bevel gear box, the spline of the second vertical axis output is connected with the first bevel gear spline housing, and the spline of the first vertical axis input and the first bevel gear spline housing are connected to form gear pair; The input of described the second vertical axis is connected with the spline housing of the output of a screw feeder by spline, and the output of the first vertical axis is connected with the spline housing of vertical screw feeder input by spline.
Further, the input of described secondary screw feeder is arranged on body by secondary screw conveyor shaft bearing, input at secondary screw feeder is installed sprocket wheel, the output of secondary screw feeder is arranged in the second bevel gear box, the second bevel gear box is fixed on body, the 4th vertical axis, the second bevel gear and the 3rd vertical axis are installed in the second bevel gear box, the spline of the 3rd vertical axis output is connected with the spline housing of the second bevel gear, and the spline housing of the spline of the 4th vertical axis input and the second bevel gear is connected to form gear pair; The input of described the 3rd vertical axis is connected with the spline housing of secondary screw feeder output by spline, and the output of the 4th vertical axis is connected with the spline housing of oblique screw feeder input by spline.
Further, a side of described rearmounted longitudinal axis flow drum threshing chamber cap and one end of pneumatic rod are hinged, and the other end and the body of pneumatic rod are hinged.
The present invention has the following advantages: (1) is improved conveying and threshing ability, increases feed quantity, reduced and stop up, improve service life.With respect to rearmounted longitudinal axis flow drum axis, become offset to arrange at the center of preposition horizontal cut flow roller and be arranged symmetrically with instead, reduce and stop up, guarantee to carry smooth.By two helical pitches, make the feeding head of rearmounted longitudinal axis flow drum into three helical pitches, and added abrasion-resistant blade, thereby improve conveying capacity, increase feed quantity, increased wearability and improved service life; (2) the preposition long shaft transmission structure of intermediate power transmission employing that flows to rearmounted longitudinal axis flow drum of laterally cutting, simplifies its transmission mechanism, improves the stationarity of transmission, reduces vibration, reduces noise, improves the reliability of work; (3) between preposition cut flow roller and rearmounted longitudinal axis flow drum, be provided with netted punching deflector, increase separating area, the raising separating power of seed, improve cleannes, reduce percent of loss, reduce live load; (4) first and second screw feeders can be installed and removed in the left side of body, easy to maintenance; (5) by slider-crank mechanism, change sieve nest into crank and rocker mechanism, effectively reduce to impact and friction; (6) sieve is divided into two from middle part, increase sieve weight capacity, and the sieve that make by the wear-resisting nonmetallic materials of damping at sieve two ends is clamping fixed, has greatly reduced vibrations, has improved wearability; Sieve opening adjustment mechanism is changed system into linkage, can directly regulate sieve to be opened into necessary requirement from vibrating sieve tail, simple and reliable for structure, easy to adjust.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of described rearmounted longitudinal axis flow drum.
Fig. 4 is the structural representation of described feeding head.
Fig. 5 is the rearview of Fig. 1.
Fig. 6 is the structural representation of described swing type vibratory sieve.
Fig. 7 is the decomposing state schematic diagram of described swing type vibratory sieve.
Fig. 8 is the vertical view of described swing type vibratory sieve.
Fig. 9 is the front view of described swing type vibratory sieve.
Figure 10 is the A-A cutaway view of Fig. 9.
Figure 11 is the B-B cutaway view of Fig. 9.
Figure 12 is the structural representation of a described screw feeder.
Figure 13 is the structural representation of described secondary screw feeder.
Embodiment
Below in conjunction with concrete accompanying drawing, the invention will be further described.
As shown in Fig. 1～Figure 13: as described in the sheller unit of full feeding combining comprise body 1, preposition horizontal cut flow roller 2, front grid concave plate sieve 3, preposition horizontal cut flow roller threshing chamber cap 4, transition guide plate 5, rearmounted longitudinal axis flow drum 6, rear grid concave plate sieve 7, rearmounted longitudinal axis flow drum threshing chamber cap 8, swing type vibratory sieve 9, Apparatus for cutting stalk into pieces 10, fan 11, a screw feeder 12, secondary screw feeder 13, the first chain 14, bevel gear housing 15, transmission clutch collar 16, power transmission shaft 17, the second chain 18, feeding 19, abrasion-resistant blade 20, threshing toothed bar 21, the first helical blade 22, the second helical blade 23, triple helical blade 24, fork bearing pin 25, fork 26, sieve nest 27, camshaft bearing 28, swinging axle 29, sieve folder 30, sieve 31, sieve adjusting rod 32, sieve connecting plate 33, regulating block 34, tail sheet 35, deadlight 36, screen cloth 37, belt pulley 38, a screw feeder handling hole 39, a screw conveyor shaft bearing 40, connect shell 41, the second vertical axis 42, the first bevel gear 43, the first vertical axis 44, the first bevel gear box 45, vertical screw feeder 46, vertical screw feeder shell 47, secondary screw feeder handling hole 48, sprocket wheel 49, secondary screw conveyor shaft bearing 50, the 3rd vertical axis 51, the second bevel gear 52, the 4th vertical axis 53, the second bevel gear box 54, oblique screw feeder 55, oblique screw feeder shell 56, pneumatic rod 57 etc.
As shown in Figure 1 and Figure 2, the present invention includes body 1, preposition horizontal cut flow roller 2 and rearmounted longitudinal axis flow drum 6 are installed on body 1, and the longitudinal center line of the cross central line of preposition horizontal cut flow roller 2 and rearmounted longitudinal axis flow drum 6 is located along the same line, and crop is carried more smooth and easy, between described preposition horizontal cut flow roller 2 outlets and the feeding mouth of rearmounted longitudinal axis flow drum 6, transition guide plate 5 is set, preposition horizontal cut flow roller threshing chamber cap 4 and rearmounted longitudinal axis flow drum threshing chamber cap 8 are set respectively above preposition horizontal cut flow roller 2 and rearmounted longitudinal axis flow drum 6, grid concave plate sieve 3 before arranging below preposition horizontal cut flow roller 2, grid concave plate sieve 7 after arranging below rearmounted longitudinal axis flow drum 6, below front grid concave plate sieve 3 and rear grid concave plate sieve 7, swing type vibratory sieve 9 is installed, below swing type vibratory sieve 9, provided with fan 11, screw feeder 12 and secondary screw feeder 13, Apparatus for cutting stalk into pieces 10 is installed at rear at swing type vibratory sieve 9,
On described transition guide plate 5, be evenly arranged some punchings, punching is rectangular opening, circular hole or polygonal hole, and it is separated with cane that this structure is convenient to crop kernel, reduces load;
As shown in Figure 3, described rearmounted longitudinal axis flow drum 6 comprises threshing toothed bar 21 and is installed on the feeding 19 of threshing toothed bar 21 ends; As shown in Figure 4, the periphery of described feeding 19 is provided with three helical blades, is respectively the first helical blade 22, the second helical blade 23 and triple helical blade 24, and complete machine feed quantity is increased, and improves conveying capacity; As shown in Figure 3, in the front of described the first helical blade 22, the second helical blade 23 and triple helical blade 24, abrasion-resistant blade 20 is installed respectively, has been increased wearability and improved service life;
As shown in Figure 2, the clutch end of described preposition horizontal cut flow roller 2 connects one end of the first chain 14, the other end of the first chain 14 connects the input of bevel gear housing 15, the output of bevel gear housing 15 is connected with one end of transmission combined cover 16, the other end of transmission combined cover 16 is connected with power transmission shaft 17 one end, the other end of power transmission shaft 17 connects one end of the second chain 18, and the other end of the second chain 18 connects the power intake of rearmounted longitudinal axis flow drum 6;
As shown in Figure 6 to 8, described swing type vibratory sieve 9 comprises sieve nest 27, the middle part of sieve nest 27 arranges deadlight 36, deadlight 36 is separated into two regions, left and right by sieve nest 27, in the region 27, two of left and right of sieve nest 27, some sieves 31 are set, the two ends of sieve 31 press from both sides 30 by sieve respectively and are separately fixed on sieve nest 27 and deadlight 36, and sieve folder 30 adopts nylon sieve folder; In described sieve nest 27 both sides, sieve connecting plate 33 is set, sieve connecting plate 33 links together all sieve folders 30, and sieve connecting plate 33 is connected with sieve adjusting rod 32 by regulating block 34, forms interlinked mechanism; Swing type vibratory sieve 9 of the present invention is owing to having shortened half sieve 31, and sieve folder 30 adopted the wear-resisting nonmetallic materials of damping (nylon), effectively reduced vibrations, improved wearability, greatly increased the service life of sieve 31; When sieve 31 angles need to regulate, can be directly from sieve nest 27 afterbodys, regulate sieve adjusting rods 32, sieve connecting plate 33 drives all sieve 31 interlocks, has both reached the object that changes sieve 31 angles, has solved again easily loosening problem of bolt after sieve 31 angular adjustment; Meanwhile, at the afterbody of described sieve nest 27, tail sheet 35 is set, tail sheet 35 is arranged at the both sides of deadlight 36, improves reliability; Below described sieve nest 27, be provided with screen cloth 37, improve the separating power of seed;
As shown in Fig. 6, Fig. 9～Figure 11, one end of the front end of described sieve nest 27 and fork 26 is hinged, and the other end of fork 26 is connected with body 1 by fork bearing pin 25; Two camshaft bearings 28 are installed in the rear end of described sieve nest 27, support swinging axle 29 in camshaft bearing 28; The principle of this structure changes former slider-crank mechanism into crank and rocker mechanism exactly, and swinging axle 28 is rotated, and the fork 26 of front end is done swing campaign, effectively reduces shock and vibration, has improved smoothness of operation;
As shown in figure 12, the input of a described screw feeder 12 is arranged in a screw feeder handling hole 39 on body 1 by a screw conveyor shaft bearing 40, input at a screw feeder 12 is installed belt pulley 38, a screw feeder 12 is arranged on and connects in shell 41, a side that connects shell 41 is fixed on body 1, the opposite side that connects shell 41 is installed the first bevel gear box 45, interior first vertical axis 44 that is equipped with respectively of the first bevel gear box 45, the first bevel gear 43 and the second vertical axis 42, the spline of the second vertical axis 42 outputs is connected with the first bevel gear 43 spline housings, the spline of the first vertical axis 44 inputs and the first bevel gear 43 spline housings are connected to form gear pair, the input of described the second vertical axis 42 is connected with the spline housing of the output of a screw feeder 12 by spline, and the output of the first vertical axis 44 is connected with the spline housing of vertical screw feeder 46 inputs by spline, and vertical screw feeder 46 is arranged in vertical screw feeder shell 47, described the first bevel gear box 45 is provided with enough large volume when completing transmission of power to be passed through for cereal,
As shown in figure 13, the input of described secondary screw feeder 13 is arranged in the secondary screw feeder handling hole 48 on body 1 by secondary screw conveyor shaft bearing 50, input at secondary screw feeder 13 is installed sprocket wheel 49, the output of secondary screw feeder 13 is arranged in the second bevel gear box 54, the second bevel gear box 54 is fixed on body 1, the 4th vertical axis 53 is installed in the second bevel gear box 54, the second bevel gear 52 and the 3rd vertical axis 51, the spline of the 3rd vertical axis 51 outputs is connected with the spline housing of the second bevel gear 52, the 4th spline of vertical axis 53 inputs and the spline housing of the second bevel gear 52 are connected to form gear pair, the input of described the 3rd vertical axis 51 is connected with the spline housing of secondary screw feeder 13 outputs by spline, the output of the 4th vertical axis 53 is connected with the spline housing of oblique screw feeder 55 inputs by spline, tiltedly screw feeder 55 is arranged in oblique screw feeder shell 56, and tiltedly screw feeder shell 56 bodies 1 are connected,
As shown in Figure 5, one side of described rearmounted longitudinal axis flow drum threshing chamber cap 8 and one end of pneumatic rod 57 are hinged, the other end of pneumatic rod 57 and body 1 are hinged, and the unlatching that pneumatic rod 57 is convenient to rearmounted longitudinal axis flow drum threshing chamber cap 8 when checking with maintenance is with fixing.
The present invention is for carrying out threshing processing to crops such as paddy rice, wheats, and the seed of taking off is carried out to separation, cleans to process and obtain clean seed.Operation principle of the present invention, by the ceding of Taiwan, crop is transported in preposition cut flow roller and carries out just taking off, and the crop after just taking off is transported to rear vertical putting in axial-flow type drum, grid concave plate sieve simultaneously, the seed that excessively guide plate just takes off preposition cut flow roller carries out separation and is sent to swing type vibratory sieve, crop after rear vertical three helical blades feeding heads putting axial-flow type drum are just de-by preposition cut flow roller is transported to rear vertical putting in axial-flow type drum and takes off again, the seed taking off is again carried out separation and seed is transported to vibratory sieve by rear grid concave plate sieve, and cane is discharged from rear vertical rear portion of putting axial-flow type drum, entering Apparatus for cutting stalk into pieces pulverizes, after shed to field.Vibratory sieve coordinates fan that seed is cleaned, and clean seed falls to screw feeder one time, by a screw feeder, is transported to silo.Contain assorted remaining seed and fall to secondary screw feeder, by secondary screw feeder, containing assorted remaining seed, be recycled to vibratory sieve and again clean.
Claims (10)
1. the sheller unit of a full feeding combining, comprise body (1), at upper preposition horizontal cut flow roller (2) and the rearmounted longitudinal axis flow drum (6) installed of body (1), between preposition horizontal cut flow roller (2) outlet and the feeding mouth of rearmounted longitudinal axis flow drum (6), transition guide plate (5) is set, front grid concave plate sieve (3) is set in the below of preposition horizontal cut flow roller (2), rear grid concave plate sieve (7) is set in the below of rearmounted longitudinal axis flow drum (6), swing type vibratory sieve (9) is installed in below at front grid concave plate sieve (3) and rear grid concave plate sieve (7), below provided with fan (11) at swing type vibratory sieve (9), a screw feeder (12) and secondary screw feeder (13), Apparatus for cutting stalk into pieces (10) is installed at rear at swing type vibratory sieve (9), it is characterized in that: the longitudinal center line of the cross central line of described preposition horizontal cut flow roller (2) and rearmounted longitudinal axis flow drum (6) is located along the same line, described transition guide plate is evenly arranged some punchings on (5).
2. the sheller unit of full feeding combining as claimed in claim 1, it is characterized in that: described rearmounted longitudinal axis flow drum (6) comprises threshing toothed bar (21) and is installed on the feeding head (19) of threshing toothed bar (21) end, the periphery of feeding head (19) is provided with three helical blades, is respectively the first helical blade (22), the second helical blade (23) and triple helical blade (24).
3. the sheller unit of full feeding combining as claimed in claim 2, is characterized in that: abrasion-resistant blade (20) is installed respectively in the front at described the first helical blade (22), the second helical blade (23) and triple helical blade (24).
4. the sheller unit of full feeding combining as claimed in claim 1, it is characterized in that: the clutch end of described preposition horizontal cut flow roller (2) connects one end of the first chain (14), the other end of the first chain (14) connects the input of bevel gear housing (15), the output of bevel gear housing (15) is connected with one end of transmission combined cover (16), the other end of transmission combined cover (16) is connected with power transmission shaft (17) one end, the other end of power transmission shaft (17) connects one end of the second chain (18), the other end of the second chain (18) connects the power intake of rearmounted longitudinal axis flow drum (6).
5. the sheller unit of full feeding combining as claimed in claim 1, it is characterized in that: described swing type vibratory sieve (9) comprises sieve nest (27), the middle part of sieve nest (27) arranges deadlight (36), deadlight (36) is separated into two regions, left and right by sieve nest (27), in two regions, left and right (27) of sieve nest (27), some sieves (31) are set, the two ends of sieve (31) press from both sides (30) by sieve respectively and are fixed on sieve nest (27) and deadlight (36); Afterbody at described sieve nest (27) arranges tail sheet (35), and tail sheet (35) is arranged at the both sides of deadlight (36); One end of the front end of described sieve nest (27) and fork (26) is hinged, the other end of fork (26) is connected with body (1) by fork bearing pin (25), two camshaft bearings (28) are installed in the rear end of described sieve nest (27), supporting swinging axle (29) in camshaft bearing (28).
6. the sheller unit of full feeding combining as claimed in claim 5, it is characterized in that: in described sieve nest (27) both sides, sieve connecting plate (33) is set, sieve connecting plate (33) presss from both sides (30) by all sieves and links together, and sieve connecting plate (33) is connected with sieve adjusting rod (32) by regulating block (34).
7. the sheller unit of full feeding combining as claimed in claim 5, is characterized in that: below described sieve nest (27), be provided with screen cloth (37).
8. the sheller unit of full feeding combining as claimed in claim 1, it is characterized in that: the input of a described screw feeder (12) is arranged on body (1) by a screw conveyor shaft bearing (40), input at a screw feeder (12) is installed belt pulley (38), a screw feeder (12) is arranged on and connects in shell (41), a side that connects shell (41) is fixed on body (1), the opposite side that connects shell (41) is installed the first bevel gear box (45), the first vertical axis (44) is housed respectively in the first bevel gear box (45), the first bevel gear (43) and the second vertical axis (42), the spline of the second vertical axis (42) output is connected with the first bevel gear (43) spline housing, the spline of the first vertical axis (44) input and the first bevel gear (43) spline housing are connected to form gear pair, the input of described the second vertical axis (42) is connected with the spline housing of the output of a screw feeder (12) by spline, and the output of the first vertical axis (44) is connected with the spline housing of vertical screw feeder (46) input by spline.
9. the sheller unit of full feeding combining as claimed in claim 1, it is characterized in that: the input of described secondary screw feeder (13) is arranged on body (1) by secondary screw conveyor shaft bearing (50), input at secondary screw feeder (13) is installed sprocket wheel (49), the output of secondary screw feeder (13) is arranged in the second bevel gear box (54), the second bevel gear box (54) is fixed on body (1), the 4th vertical axis (53) is installed in the second bevel gear box (54), the second bevel gear (52) and the 3rd vertical axis (51), the spline of the 3rd vertical axis (51) output is connected with the spline housing of the second bevel gear (52), the 4th spline of vertical axis (53) input and the spline housing of the second bevel gear (52) are connected to form gear pair, the input of described the 3rd vertical axis (51) is connected with the spline housing of secondary screw feeder (13) output by spline, and the output of the 4th vertical axis (53) is connected with the spline housing of oblique screw feeder (55) input by spline.
10. the sheller unit of full feeding combining as claimed in claim 1, it is characterized in that: one end of a side of described rearmounted longitudinal axis flow drum threshing chamber cap (8) and pneumatic rod (57) is hinged, the other end of pneumatic rod (57) and body (1) are hinged.
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| CN201410291260.9A CN104025813B (en) | 2014-06-25 | 2014-06-25 | A kind of sheller unit of full feeding combining |
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| CN201410291260.9A CN104025813B (en) | 2014-06-25 | 2014-06-25 | A kind of sheller unit of full feeding combining |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104541754A (en) * | 2015-01-01 | 2015-04-29 | 刘忠良 | Secondary cleaning and grain-gathering system of combine-harvester |
| CN110073821A (en) * | 2019-04-19 | 2019-08-02 | 华中农业大学 | Cut de- combined type longitudinally axial flow threshing and separating installation |
| CN110366955A (en) * | 2019-08-14 | 2019-10-25 | 蒋定强 | A kind of evodia rutaecarpa preliminary working separating mechanism and its operating method |
| CN112449879A (en) * | 2020-11-26 | 2021-03-09 | 合肥毅行科技有限公司 | Wheat threshing and separating integrated equipment based on agricultural products |
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