CN105830631B - A kind of threshing screening plant for combine harvester - Google Patents
A kind of threshing screening plant for combine harvester Download PDFInfo
- Publication number
- CN105830631B CN105830631B CN201610023941.6A CN201610023941A CN105830631B CN 105830631 B CN105830631 B CN 105830631B CN 201610023941 A CN201610023941 A CN 201610023941A CN 105830631 B CN105830631 B CN 105830631B
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- China
- Prior art keywords
- sheller unit
- rack
- threshing
- vibrating screen
- screening
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/44—Grain cleaners; Grain separators
- A01F12/446—Sieving means
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/46—Mechanical grain conveyors
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F2012/188—Rethreshing devices
Abstract
The present invention provides a kind of threshing screening plants for combine harvester, belong to combine harvester technical field.This is used for the threshing screening plant of combine harvester, comprising: rack is equipped with eccentric drive component in rack；Main sheller unit and multiple sheller unit, multiple sheller unit are set side by side with main sheller unit；Vibrating screen device, vibrating screen device are mounted on the rack and are located at the lower section of multiple sheller unit and main sheller unit, and vibrating screen device includes sieve plate, secondary screening component and connecting rod, and eccentric drive component is connected to connecting rod；Main sheller unit is to crops threshing, cast falls on vibrating screen device, eccentric drive component drives vibrating screen to move back and forth, cast is after sieve plate screens, partial exfoliation object, which falls, carries out postsearch screening to secondary screening component, and another part cast is delivered to multiple sheller unit and carries out secondary threshing and fall into vibrating screen device screening again.The present invention has the advantages that Threshing is good, screening cleannes are good.
Description
Technical field
The invention belongs to combine harvester technical fields, are related to a kind of combine harvester, especially a kind of to receive for combining
The threshing screening plant of cutting mill.
Background technique
Chinese patent CN102511249A discloses a kind of sheller unit of harvester, including chassis, is fixed on chassis
Threshing rack, be both connected to threshing rack and all along harvester direction of travel setting main separating mechanism and multiple separating mechanism,
Be fixedly connected on threshing rack and be located between chassis and main multiple separating mechanism separating cleaning vibrating screen, be set to separating cleaning and shake
The miscellaneous remaining promotion screw feeder below sieve rear end between multiple separating mechanism is moved, the main separating mechanism includes being articulated with threshing rack
Main threshing cylinder is fixed on threshing rack and encloses the master that big concave grate, the big concave grate of covering outside main threshing cylinder are open
Drum cover；The main threshing cylinder is arranged obliquely along the direction of advance of harvester.
The validity that cereal-granules are screened in threshing course is an important indicator of threshing efficiency, selects efficient sieve
Screening device can make threshing rapider, and Threshing is good.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, propose that a kind of Threshing is good, screening is clear
The good threshing screening plant for combine harvester of cleanliness.
Object of the invention can be realized by the following technical scheme: a kind of thrashing screen for combine harvester chooses to install
It sets characterized by comprising
Rack is equipped with eccentric drive component in the rack；
Main sheller unit, the main sheller unit are mounted on the rack；
Multiple sheller unit, the multiple sheller unit are mounted on the rack, and the multiple sheller unit and main sheller unit are arranged side by side
Setting；
Vibrating screen device, the vibrating screen device are mounted on the rack and are located under multiple sheller unit and main sheller unit
Side, the vibrating screen device includes the connecting rod of sieve plate, the secondary screening component being connected on sieve plate, connection sieve plate and rack, described inclined
Heart driving assembly is connected to connecting rod；
To crops threshing, cast falls on vibrating screen device the main sheller unit, the eccentric drive component
Connecting rod is driven to sit reciprocally swinging, the connecting rod drives vibrating screen to move back and forth, and the cast is after sieve plate screens, partial exfoliation
Object, which falls, carries out postsearch screening to secondary screening component, and another part cast is delivered to multiple sheller unit and carries out secondary threshing and again
Fall into vibrating screen device screening.
In a kind of above-mentioned threshing screening plant for combine harvester, it is mutually flat that several rows are offered on sieve plate
Capable sieve pore and adjacent rows sieve pore is interspersed, and in each sieve pore side, inclination is protruding with baffle, and the baffle takes off towards main
Grain device side.
In a kind of above-mentioned threshing screening plant for combine harvester, the secondary screening component include secondary screening plate and
It is connected to the connecting plate of secondary screening plate two sides, the connecting plate is connected to sieve plate, and it is multiple that several rows are offered on the secondary screening plate
Sieve pore, adjacent rows secondary screening are interspersed between hole.
In a kind of above-mentioned threshing screening plant for combine harvester, the eccentric drive component includes eccentric chain
Wheel, the vertical shaft being connected on eccentric chain-wheel, the swing rod being set in shaft and the swing arm being hingedly mounted on swing rod, it is described
Swing arm is fixedly attached to connecting rod, and the axis of shaft is not overlapped with the axis of eccentric chain-wheel, and eccentric chain-wheel rotation drives the one of swing rod
End moves in a circle, and the other end of swing rod drives swing arm reciprocally swinging.
In a kind of above-mentioned threshing screening plant for combine harvester, bearing block, institute are installed in the rack
It states and vibrating shaft is installed on bearing block, the connecting rod is equipped with four both ends for being separately connected vibrating screen device, wherein two connecting rods
It is symmetrically connected on vibrating shaft, another two connecting rods are hingedly mounted in rack, and the swing arm is connected in the end of vibrating shaft.
In a kind of above-mentioned threshing screening plant for combine harvester, be hingedly equipped on the secondary screening component by
Original text device offers several columns adjustment hole on the separator ridlle, and pull rod, the other end positioning of pull rod are hingedly equipped on the sieve plate
It is mounted on an adjustment hole.
In a kind of above-mentioned threshing screening plant for combine harvester, transmission chain group is also equipped in the rack
Part, the transmission chain component include the first conveyer chain, the second conveyer chain and third conveyer chain, be equipped in rack the first jockey pulley and
Second jockey pulley, the main sheller unit are connected to the first jockey pulley by the first conveyer chain, and the second transmission chain link first is auxiliary
Wheel and the second jockey pulley, third transmission second jockey pulley of chain link and eccentric chain-wheel, the diameter of second jockey pulley are less than bias
The diameter of sprocket wheel.
In a kind of above-mentioned threshing screening plant for combine harvester, sliding slot is offered in the rack, it is described
Tensioning wheel is installed, the tensioning wheel is stretched on third conveyer chain in sliding slot.
In a kind of above-mentioned threshing screening plant for combine harvester, the main sheller unit includes main shaft, consolidates
Low speed roller of the Dingan County on the main shaft and the high-speed assembly being set on main shaft are equipped with high speed on the high-speed assembly and roll
Tin, several gear hobbings are fixed on the low speed roller and high speed rotary-drum, the revolving speed of the high speed rotary-drum is greater than low speed roller
Revolving speed.
In a kind of above-mentioned threshing screening plant for combine harvester, the multiple sheller unit includes vertical conveying
Screw feeder conveys the horizontal screw conveyor shell of screw feeder with being connected to vertically, is equipped with drum member in the horizontal screw conveyor shell, the level is stirred
Several columns blow tank is offered along surface on imperial shell, offers discharge port in the end of horizontal screw conveyor shell, the drum member includes
The several columns that drum shaft, the delivery section being connected on drum shaft, interval are connected on drum shaft take off tooth again and are connected in drum shaft
The marker board of end, the delivery section intersect to vertical conveying screw feeder, the marker board face discharge port, and the vertical conveying is stirred
Dragon conveying cast to delivery section, the tooth that takes off again is exported to cast threshing and along blow tank, and remaining cast is by discharge
Plate is discharged along discharge port.
Compared with prior art, the method has the advantages that
1, sieve plate and secondary screening device are set on the vibrating, cast can be carried out to postsearch screening, screens high-quality, impurity
Few, partial exfoliation object enters multiple sheller unit and carries out secondary threshing, keeps whole threshing thorough.
2, baffle is arranged in the sieve pore side on sieve plate, and the cast organized greatly is avoided to drop into secondary screening component directly through sieve plate
In, drop into little particle in secondary screening device, screening is clean, neatly, avoids secondary screening device by congestion.
3, sieve pore and secondary screening hole are interspersed, and can effectively cover all casts, screen cast completely.
4, transmission chain component is separately connected main sheller unit and eccentric chain-wheel, and main sheller unit and vibrating screen device can be made same
When work asynchronously, consistency is good, motive drive source reduce, cost reduce.
Detailed description of the invention
Fig. 1 is left view structural representation of the invention.
Fig. 2 is right side structural representation of the invention.
Fig. 3 is the structural schematic diagram of vibrating screen device in the present invention.
Fig. 4 is the structural schematic diagram of sieve plate in the present invention.
Fig. 5 is the mounting structure schematic diagram of vibrating screen device in the present invention.
Fig. 6 is the structural schematic diagram of multiple sheller unit in the present invention.
Fig. 7 is the structural schematic diagram of drum member in the present invention.
Fig. 8 is the structural schematic diagram of main sheller unit in the present invention.
In figure, 1, rack；2, main sheller unit；21, main shaft,；22, low speed roller；23, low speed sprocket wheel；24, high speed is rolled
Cylinder；25, high-speed assembly；251, installation set；252, bearing；26, high speed sprocket wheel；27, gear hobbing；3, multiple sheller unit；31, vertical defeated
Send screw feeder；32, horizontal screw conveyor shell；321, blow tank；322, discharge port；33, drum member；331, drum shaft；332, delivery section；
333, tooth is taken off again；334, marker board；4, vibrating screen device；41, sieve plate；411, sieve pore；412, baffle；42, secondary screening component；421,
Secondary screening plate；422, connecting plate；423, secondary screening hole；5, chain component is transmitted；51, the first conveyer chain；52, the second conveyer chain；53,
Three conveyer chains；54, the first jockey pulley；55, the second jockey pulley；56, tensioning wheel；6, eccentric drive component；61, eccentric chain-wheel；62, it puts
Bar；63, swing arm；64, vibrating shaft；65, connecting rod；66, bearing block；67, shaft；7, separator ridlle；71, adjustment hole；72, pull rod.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figures 1 to 4, this be used for combine harvester threshing screening plant, comprising: rack 1, main sheller unit 2,
Multiple sheller unit 3 and vibrating screen device 4, eccentric drive component 6, main sheller unit 2 and multiple sheller unit 3 are installed in rack 1
On, the top for being respectively positioned on rack 1 is set side by side with main sheller unit 2 in multiple sheller unit 3, and vibrating screen device 4 is mounted in rack 1
And it is located at the lower section of multiple sheller unit 3 and main sheller unit 2, vibrating screen device 4 includes sieve plate 41, is connected to answering on sieve plate 41
Screen assembly 42, the connecting rod 65 for connecting sieve plate 41 and rack 1, eccentric drive component 6 are connected to connecting rod 65；Main sheller unit 2 is to agriculture
Crop threshing, cast fall on vibrating screen device 4, and the vibration of eccentric drive component 6 drives connecting rod 65 to sit reciprocally swinging, connecting rod
65 drive vibrating screens move back and forth, cast through sieve plate 41 screening after, partial exfoliation object fall to secondary screening component 42 carry out it is secondary
Screening, another part cast are delivered to multiple sheller unit 3 and carry out secondary threshing and fall into the screening of vibrating screen device 4 again.
Crops are carried out threshing by main sheller unit 2, and the cast of crops includes granular seed and do not take off completely
The plant with seed of grain, seed drop into secondary screening component 42 by the screening of sieve plate 41 and further from secondary screening components 42
It falls and enters collection device, partially the plant with seed delivers into multiple sheller unit 3 through convergence after the screening of sieve plate 41
In, multiple sheller unit 3 carries out secondary threshing, and seed crashes into vibrating screen device 4 from multiple sheller unit 3 after falling off and screened,
Plant after threshing exports outside harvester through multiple sheller unit 3, and threshing is clean and tidy, and sieve plate 41 and multiple is arranged on vibrating screen device 4
Screen assembly 42, by 65 reciprocally swinging of connecting rod, the cast for making to fall on vibrating screen device 4 carries out separation screening, the side of cleaning
Just.
Vibrating screen device 4 is tiltedly mounted in rack 1, and eccentric drive component 6 drives the higher one end of vibrating screen device 4,
Sieve plate 41 is in tabular, and the sieve pore 411 that several rows are parallel to each other is offered on sieve plate 41 and adjacent rows sieve pore 411 staggeredly divides
Cloth, in each 411 side of sieve pore, inclination is protruding with baffle 412, baffle 412 towards main 2 side of sheller unit, i.e., baffle 412 to
Top is opened, and cast cannot directly fall into sieve pore 411, is impinged upon on baffle 412 and is slid to adjacent sieve pore 411
Or it is vibrated into sieve pore 411 back and forth, blocking in sieve pore 411 is effectively avoided, sieve pore 411, which is interspersed can be effectively controlled, to fall off
Object avoids dead angle quickly through sieve pore 411, fast by speed.
Secondary screening component 42 includes secondary screening plate 421 and the connecting plate 422 for being connected to 421 two sides of secondary screening plate, connecting plate 422
It is connected to sieve plate 41, secondary screening plate 421 and two connecting plates 422 form the screening tank of "U" shaped, offer on secondary screening plate 421
Several row secondary screenings hole 423, secondary screening hole 423 is rounded, and the closeness in secondary screening hole 423 is high, between adjacent rows secondary screening hole 423 staggeredly
Distribution.
The cast that secondary screening component 42 can be such that sieve plate 41 falls into is arranged to converge in completely on secondary screening plate 421, in secondary screening group
Part 42 is equipped with the wind being blown into, and the partial exfoliation object of the chopped cooked entrails of sheep is carried away by the wind, and full seed drops into seed by secondary screening plate 421
Grain collection device, cleannes are high.
As shown in Figure 3 and Figure 5, eccentric drive component 6 includes eccentric chain-wheel 61, vertical turn being connected on eccentric chain-wheel 61
Axis 67, the swing rod 62 being set in shaft 67 and the swing arm 63 being hingedly mounted on swing rod 62, swing arm 63 are fixedly attached to connecting rod
65, the axis of shaft 67 is not overlapped with the axis of eccentric chain-wheel 61, and the rotation of eccentric chain-wheel 61 drives one end of swing rod 62 to do circumference
The other end of movement, swing rod 62 drives 63 reciprocally swinging of swing arm.Swing arm 63 is driven to swing back and forth by the circular motion of sprocket wheel, into
And so that vibrating screen device 4 is swung back and forth and screen cast, clever structure, vibration and swing effect are good.
Bearing block 66 is installed in rack 1, vibrating shaft 64 is installed on bearing block 66, connecting rod 65 is equipped with four difference
The both ends of vibrating screen device 4 are connected, wherein two connecting rods 65 are symmetrically connected on vibrating shaft 64, another two connecting rods 65 are hingedly installed
In rack 1, swing arm 63 is connected in the end of vibrating shaft 64.Vibrating shaft 64 is connected across the two sides for being connected to rack 1, connecting rod 65
In the inside of rack 1, one end protrusion rack 1 of vibrating shaft 64 is simultaneously connect with swing arm 63, and connecting rod 65 and vibrating screen device 4 hingedly connect
It connects, therefore, when eccentric chain-wheel 61 drives 64 reciprocally swinging of vibrating shaft, connecting rod 65 drives vibrating screen reciprocally swinging, and endurance is big,
It swings and stablizes, biggish supporting power can be born.
Separator ridlle 7 is hingedly installed on secondary screening component 42, offers several columns adjustment hole 71 on separator ridlle 7, on sieve plate 41
Pull rod 72 hingedly is installed, the other end location and installation of pull rod 72 is on an adjustment hole 71.Multiple row is arranged on separator ridlle 7 to adjust
Hole 71 can adjust the angle on separator ridlle 7 and secondary screening component 42, the matter of control cast blowout harvester by pull rod 72
Amount, it is ensured that effective seed is fallen into collection device, and waste is exported from separator ridlle 7.
As shown in Figure 1, being also equipped with transmission chain component 5 in rack 1, transmission chain component 5 includes the first conveyer chain 51, the
Two conveyer chains 52 and third conveyer chain 53, the first conveyer chain 51 are distributed along the vertical direction, and the second conveyer chain 52 divides in the horizontal direction
Cloth, the tilt distribution along the vertical direction of third conveyer chain 53 are equipped with the first jockey pulley 54 and the second jockey pulley 55 in rack 1, main de-
Grain device 2 is connected to the first jockey pulley 54 by the first conveyer chain 51, and the second conveyer chain 52 connects the first jockey pulley 54 and the second jockey pulley
55, third conveyer chain 53 connects the second jockey pulley 55 and eccentric chain-wheel 61, and the diameter of the second jockey pulley 55 is less than the straight of eccentric chain-wheel 61
Diameter, offers sliding slot in rack 1, and tensioning wheel 56 is equipped in sliding slot, and tensioning wheel 56 is stretched on third conveyer chain 53.?
First conveyer chain 51, the second conveyer chain 52 and third conveyer chain 53 are set in rack 1, the space row of ability transmission can be improved
Cloth changes transmission ratio, and can make 4 synchronization action of main sheller unit 2 and vibrating screen device, and consistency is good, saves power source, reduces
Cost.
As shown in Figure 2 and Figure 8, main sheller unit 2 includes main shaft 21,22 and of low speed roller being fixedly mounted on main shaft 21
The high-speed assembly 25 being set on main shaft 21 is equipped with high speed rotary-drum 24, low speed roller 22 and high speed rotary-drum on high-speed assembly 25
Several gear hobbings 27 are fixed on 24, the revolving speed of high speed rotary-drum 24 is greater than the revolving speed of low speed roller 22.It is installed on main shaft 21
There is low speed sprocket wheel 23, low speed sprocket wheel 23 drives main shaft 21 and low speed roller 22 to rotate, and high-speed assembly 25 includes installation set 251, peace
Bearing 252 between installation set 251 and main shaft 21, is equipped with high speed sprocket wheel 26 in installation set 251, and high speed rotary-drum 24 is pacified
In installation set 251, high speed sprocket wheel 26 drives installation set 251 and high speed rotary-drum 24 to rotate.Main sheller unit 2 is arranged to differential
The form of threshing, when operation, low speed roller 22 is with the rotation of minimum speed needed for rice-wheat threshing, and high speed rotary-drum 24 is with rice-wheat threshing
Permitted fair speed rotation.90% or more seed substantially takes off under the relatively slow-speed of revolution of low speed roller 22 on crop fringe,
And a small amount of difficult de- seed is taken off after entering high speed rotary-drum 24, to preferably resolve seed threshing performance, percentage of damage and containing miscellaneous
Rate three's contradiction, obtains good transaction capabilities and operating efficiency.
As shown in Fig. 2, Fig. 6 and Fig. 7, multiple sheller unit 3 includes conveying screw feeder 31 vertically and being connected to vertical conveying screw feeder
31 horizontal screw conveyor shell 32 is equipped with drum member 33 in horizontal screw conveyor shell 32, offers on horizontal screw conveyor shell 32 along surface several
Hopper 321 is listed, offers discharge port 322 in the end of horizontal screw conveyor shell 32, drum member 33 includes drum shaft 331, is connected in
The several columns that delivery section 332, interval on drum shaft 331 are connected on drum shaft 331 take off tooth 333 again and are connected in drum shaft
The marker board 334 of 331 ends takes off tooth 333 again and is arranged on drum shaft 331 in interleaved, is integrally spirally distributed, to agriculture
Crop carries out effective threshing and has both the function of transmission, the intersection of delivery section 332 to vertical conveying screw feeder 31,334 face of marker board
Discharge port 322, the vertical screw feeder 31 that conveys convey cast to delivery section 332, take off tooth 333 again to cast threshing and along blow tank
321 outputs, remaining cast are discharged by marker board 334 along discharge port 322.
Multiple sheller unit 3 is arranged carrying out secondary threshing can make the seed of crops fall off degree height, collect comprehensively, avoid not
Necessary loss sets gradually delivery section 332 in drum member 33, takes off tooth 333 and marker board 334 again, and cast is subsequently received defeated
It send, the function of threshing and discharge impurity, clever structure.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (2)
1. a kind of threshing screening plant for combine harvester characterized by comprising
Rack is equipped with eccentric drive component in the rack, and the eccentric drive component includes eccentric chain-wheel, is vertically connected in
Shaft, the swing rod being set in shaft and the swing arm being hingedly mounted on swing rod, the swing arm on eccentric chain-wheel are fixedly connected
To connecting rod, the axis of shaft is not overlapped with the axis of eccentric chain-wheel, and eccentric chain-wheel rotation drives one end of swing rod to move in a circle,
The other end of swing rod drives swing arm reciprocally swinging, is equipped with bearing block in the rack, is equipped with vibrating shaft on the bearing block,
The connecting rod is equipped with four, and the connecting rod is separately connected the both ends of vibrating screen device, wherein two connecting rods are symmetrically connected in vibration
On axis, another two connecting rods are hingedly mounted in rack, and the swing arm is connected in the end of vibrating shaft；
Main sheller unit, the main sheller unit are mounted on the rack, and the main sheller unit includes main shaft, is fixedly mounted on master
Low speed roller on axis and the high-speed assembly being set on main shaft are equipped with high speed rotary-drum, the low speed on the high-speed assembly
Several gear hobbings are fixed on roller and high speed rotary-drum, the revolving speed of the high speed rotary-drum is greater than the revolving speed of low speed roller；
It is also equipped with transmission chain component in the rack, the transmission chain component includes the first conveyer chain, the second conveyer chain and the
Three conveyer chains are equipped with the first jockey pulley and the second jockey pulley in rack, and the main sheller unit is connected to by the first conveyer chain
One jockey pulley, second transmission first jockey pulley of chain link and the second jockey pulley, third transmission second jockey pulley of chain link and bias
Sprocket wheel, the diameter of second jockey pulley are less than the diameter of eccentric chain-wheel；
Multiple sheller unit, the multiple sheller unit are mounted on the rack, and the multiple sheller unit is set side by side with main sheller unit,
The multiple sheller unit includes vertical conveying screw feeder and the horizontal screw conveyor shell for being connected to vertical conveying screw feeder, the horizontal screw conveyor shell
Drum member is inside installed, offers several columns blow tank along surface on the horizontal screw conveyor shell, is opened in the end of horizontal screw conveyor shell
Equipped with discharge port, if the drum member includes that drum shaft, the delivery section being connected on drum shaft, interval are connected on drum shaft
The marker board that dry column take off tooth again and are connected in drum shaft end, the delivery section intersect to vertical conveying screw feeder, the marker board
Face discharge port, the vertical conveying screw feeder convey cast to delivery section, and the tooth that takes off again is to cast threshing and along discharging
Slot output, remaining cast are discharged by marker board along discharge port；
Vibrating screen device, the vibrating screen device are mounted on the rack and are located at the lower section of multiple sheller unit and main sheller unit,
The vibrating screen device includes sieve plate, the secondary screening component being connected on sieve plate, the connecting rod for connecting sieve plate and rack, the eccentric drive
Dynamic component is connected to connecting rod；The sieve pore that several rows are parallel to each other is offered on sieve plate and adjacent rows sieve pore is interspersed,
The inclination of each sieve pore side is protruding with baffle, and the baffle is towards main sheller unit side；
The secondary screening component includes secondary screening plate and the connecting plate for being connected to secondary screening plate two sides, and the connecting plate is connected to sieve
Plate offers several row secondary screenings hole on the secondary screening plate, and adjacent rows secondary screening is interspersed between hole, on the secondary screening component
Separator ridlle hingedly is installed, several columns adjustment hole is offered on the separator ridlle, pull rod, pull rod are hingedly installed on the sieve plate
Other end location and installation on an adjustment hole；
To crops threshing, cast falls on vibrating screen device the main sheller unit, and the eccentric drive component drives
Connecting rod does reciprocally swinging, and the connecting rod drives vibrating screen to move back and forth, and the cast is after sieve plate screens, partial exfoliation object pendant
It drops down onto secondary screening component and carries out postsearch screening, another part cast is delivered to multiple sheller unit and carries out secondary threshing and fall into again
Vibrating screen device screening.
2. a kind of threshing screening plant for combine harvester according to claim 1, which is characterized in that the rack
On offer sliding slot, tensioning wheel is installed, the tensioning wheel is stretched on third conveyer chain in the sliding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610023941.6A CN105830631B (en) | 2016-01-14 | 2016-01-14 | A kind of threshing screening plant for combine harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610023941.6A CN105830631B (en) | 2016-01-14 | 2016-01-14 | A kind of threshing screening plant for combine harvester |
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| Publication Number | Publication Date |
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| CN105830631A CN105830631A (en) | 2016-08-10 |
| CN105830631B true CN105830631B (en) | 2019-03-22 |
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| CN201610023941.6A Active CN105830631B (en) | 2016-01-14 | 2016-01-14 | A kind of threshing screening plant for combine harvester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111820015A (en) * | 2020-08-12 | 2020-10-27 | 中联重机浙江有限公司 | Low-damage re-threshing type threshing and screening system for broad bean harvester |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018179635A1 (en) * | 2017-03-30 | 2018-10-04 | ヤンマー株式会社 | Combine |
| CN109197168A (en) * | 2018-09-13 | 2019-01-15 | 全椒县汊河农机服务专业合作社 | A kind of grain threshing equipment |
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| CN111820015B (en) * | 2020-08-12 | 2022-07-08 | 中联重机浙江有限公司 | Low-damage re-threshing type threshing and screening system for broad bean harvester |
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| CN105830631A (en) | 2016-08-10 |
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