CN106818066A - Threshing cleaning unit - Google Patents
Threshing cleaning unit Download PDFInfo
- Publication number
- CN106818066A CN106818066A CN201710012977.9A CN201710012977A CN106818066A CN 106818066 A CN106818066 A CN 106818066A CN 201710012977 A CN201710012977 A CN 201710012977A CN 106818066 A CN106818066 A CN 106818066A
- Authority
- CN
- China
- Prior art keywords
- unit
- frame
- screen frame
- cleaning
- sieve nest
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- A01F11/00—Threshing apparatus specially adapted for maize; Threshing apparatus specially adapted for particular crops other than cereals
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a kind of threshing cleaning unit, including frame, the front portion of frame is provided with sheller unit, the rear portion of frame is provided with cleaning plant, and sheller unit is located at the top of cleaning plant, and cleaning plant includes screen frame (unit), screen frame (unit) is connected with sieve nest and lower sieve nest, and screen frame (unit) is driven by toggle；Screen frame (unit) includes the scalping shoe and lower screen frame (unit) that are independently arranged, and scalping shoe is supported in the frame of harvester by back stay, and the two ends of back stay are hinged with scalping shoe and frame respectively；Lower screen frame (unit) is lifted on frame by rear suspension bar, and the two ends of rear suspension bar are hinged with lower screen frame (unit) and frame respectively；Upper sieve nest is connected to scalping shoe, and lower sieve nest is connected to lower screen frame (unit).The threshing cleaning unit can carry out threshing and clean two courses of work, and the scalping shoe of cleaning plant can do relatively reciprocating motion with lower screen frame (unit), improve and clean effect to grain.
Description
Technical field
The present invention relates to united reaper technical field, more particularly to a kind of threshing cleaning unit.
Background technology
The domestic middle-size and small-size wheeled harvester with the production of the harvester manufactory such as thunder fertile, middle receipts, middle, spring rain is more normal
See.Middle-size and small-size wheeled harvester compact conformation, strong adaptability, productivity ratio is high, belongs to Central Plains situation of selling well type.Above-mentioned type threshing is clear
Screening device structure is commonly cuts stream and the homodromous single screen frame (unit) cleaning plant of horizontal axial drum cooperation, the tight Minato of simple structure.It is single
Screen frame (unit) cleaning plant refers to that upper sieve and lower sieve for cleaning swing on a screen frame (unit), and two sorting screens do unidirectional reciprocal
Motion, without relative motion.Upper sieve and lower sieve are located on a screen frame (unit), and sieve does not have relative motion, only same direction when cleaning
Reciprocating motion.
At present, there are two kinds of typical structures in the harvester for being equipped with single screen frame (unit) cleaning plant.
A kind of structure is：Its threshing cleaning unit by cut flow roller, axial-flow type drum, screen frame (unit) (with shuttle board constitute one),
Upper sieve, lower screen banks into.The shuttle board of its cleaning plant constitutes integrative-structure, shuttle board, upper sieve, lower sieve, screen frame (unit) composition with screen frame (unit)
Integrally, same direction reciprocating motion is done.The threshing cleaning unit structure is extremely compact.Cut flow roller, axial-flow type drum are located at and clean
Device front upper place, lateral arrangement, preceding, rear, axial-flow type drum position is higher than cutting stream cut flow roller position for axial-flow type drum for cut flow roller
Put, there is a material leveling auger axial-flow type drum lower section, the material that two rollers are taken off is by material leveling auger to cleaning plant side
To conveying.Leveling auger rear side is adjacent with cleaning plant, and the material of conveying is pushed on supreme sieve by the shuttle board of screen frame (unit), by wind
The wind-force that machine is produced is cleaned.Screen frame (unit) is driven by screen frame (unit) drive device and screen frame (unit) rear suspension bar and moved back and forth, and material is entered
Row seed, clever chaff, the separation of straw grass.The seed of weight, short straw and small ear head are fallen on lower sieve in watering and separation procedure, light straw grass,
Clever chaff is blown outside machine, and fringe head long is pushed by upper sieve and falls into miscellaneous remaining drain pan through lower sieve rear portion to screen frame (unit) rear end and taken off again.Because of sieve
Without relative motion, the material fallen on lower sieve can not shakeout upper and lower sieve, uniformly, cannot get Effective selection, and part is heavier
Short straw, small ear are first-class to enter seed drain pan with seed, the dirty phenomenon of grain occurs.
Another structure is：Its threshing cleaning unit is by cut flow roller, axial-flow type drum, screen frame (unit), shuttle board, upper sieve, lower sieve
Composition.The shuttle board of its cleaning plant is respectively absolute construction with screen frame (unit), and upper sieve and lower sieve are located on single screen frame (unit), upper sieve, lower sieve with
And screen frame (unit) composition one.Shuttle board is absolute construction, and shuttle board makees the reciprocating motion of relative direction, balance portion inertia with screen frame (unit)
Power.The threshing cleaning unit has structure also extremely compact.Cut flow roller, axial-flow type drum are located at cleaning plant front upper place, horizontal cloth
Put, preceding, rear, axial-flow type drum position has axial-flow type drum cut flow roller higher than stream cut flow roller position, axial-flow type drum lower section is cut
Material leveling auger, the material that two rollers are taken off is conveyed by material leveling auger to cleaning plant.Leveling auger downside is
The shuttle board of cleaning plant, the material of conveying is first pushed on shuttle board, then by the reciprocating motion of shuttle board by material backward
It is delivered on the upper sieve of screen frame (unit), the wind-force produced by blower fan is cleaned.Screen frame (unit) is driven by screen frame (unit) drive device and screen frame (unit) rear suspension bar
It is dynamic to move back and forth, seed, clever chaff, the separation of straw grass are carried out to material.The seed of weight, short straw and small ear in watering and separation procedure
Head is fallen on lower sieve, and careless, the clever chaff of light straw is blown outside machine, and fringe head long is pushed to screen frame (unit) rear end by upper sieve and fallen into through lower sieve rear portion
Miscellaneous remaining drain pan is taken off again.Because upper and lower sieve is without relative motion, falling into lower on-the-sieve material can not shakeout, uniformly, and cannot get
Effective selection, the heavier short straw in part, small ear are first-class to enter seed drain pan with seed, the dirty phenomenon of grain occurs.
The content of the invention
The technical problems to be solved by the invention are：A kind of threshing cleaning unit is provided, the threshing cleaning unit can enter
Row threshing and two courses of work are cleaned, the scalping shoe of cleaning plant can do relatively reciprocating motion with lower screen frame (unit), improve to grain
That eats cleans effect.
In order to solve the above technical problems, the technical scheme is that：A kind of threshing cleaning unit, including frame, it is described
The front portion of frame is provided with sheller unit, and the rear portion of the frame is provided with cleaning plant, and the sheller unit is located at described clear
The top of screening device, the cleaning plant includes screen frame (unit), and the screen frame (unit) is connected with sieve nest and lower sieve nest, and the screen frame (unit) is by crank
Linkage drives.The screen frame (unit) includes the scalping shoe and lower screen frame (unit) that are independently arranged, and the scalping shoe is provided with shuttle board, described
Scalping shoe is supported in the frame of harvester by back stay, the two ends of the back stay respectively with the scalping shoe and the frame
It is hinged；The lower screen frame (unit) is lifted on the frame by rear suspension bar, the two ends of the rear suspension bar respectively with the lower screen frame (unit) and institute
Frame is stated to be hinged；The upper sieve nest is connected to the scalping shoe, and the lower sieve nest is connected to the lower screen frame (unit).
Used as a kind of improved mode, the toggle includes also serving as driving wheel, rocking arm and the connecting rod of crank, institute
State rocking arm and be articulated with the frame, the scalping shoe and the lower screen frame (unit) are respectively by hinge in the rocking arm, the company
One end of bar is hinged with the rocking arm, and other end bias is connected to the driving wheel.
Used as a kind of improved mode, described being hinged is hinge, and hinged place is provided with rubber shaft bearing.
Used as a kind of improved mode, the sheller unit includes the cut flow roller and axial-flow type drum of lateral arrangement, described
Cut flow roller is arranged at the axial-flow type drum front upper place, and it is equal to be provided with material between the axial threshing cylinder and the cleaning plant
Cloth screw feeder.
Used as a kind of improved mode, the cut flow roller and axial-flow type drum lower section are mounted on grid concave plate.
Use the technique effect acquired by above-mentioned technical proposal for：
Sheller unit combination cleaning plant can be continuously finished threshing and clean two courses of work.Scalping shoe is provided with to be trembled
Seed and clever chaff layering can be formed the uniform material curtain of thickness by dynamic plate, shuttle board shake.The drive mechanism of cleaning plant is driven
Dynamic scalping shoe and lower screen frame (unit) are done relatively reciprocating motion, and upper sieve nest spreads out material by the swing of relative direction with lower sieve nest
It is flat, uniform, it is convenient for effectively cleaning, substantially increase and clean effect.
Because described being hinged is hinge, and hinged place is provided with rubber shaft bearing.Event is reduced using rubber shaft bearing
Barrier rate, the accuracy of manufacture of rubber shaft bearing is low, also reduces cost.
Because sheller unit includes and the front and rear cut flow roller being arranged side by side and axial-flow type drum, cut flow roller is higher than axle flow roll
Cylinder arrangement, is provided with material leveling auger between axial-flow type drum and cleaning plant, cut flow roller and axial-flow type drum take off to material
Grain, material leveling auger is uniform by material and is conveyed to cleaning plant.
Because cut flow roller and axial-flow type drum lower section are mounted on grid concave plate, the material that sheller unit is taken off can be by grid
The grid of lattice notch board falls.
Brief description of the drawings
Fig. 1 is the structural representation of the threshing cleaning unit of the embodiment of the present invention；
Fig. 2 is the structural representation of the cleaning plant of the embodiment of the present invention；
In figure, 1- frames, 2- sheller units, 21- cut flow roller, 22- axial-flow type drums, 23- material leveling augers, 24- grid
Lattice notch board, 3- cleaning plants, 31- scalping shoes, the upper sieve nests of 311-, screen frame (unit) under 32-, sieve nest under 321-, 33- back stays hang after 34-
Bar, 35- connecting rods, 36- driving wheels, 37- rocking arms, 38- shuttle boards.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
It is jointly shown with reference to Fig. 1 and Fig. 2.A kind of united reaper, is provided with the ceding of Taiwan in front of chassis, install organic on chassis
Frame 1, is provided with sheller unit 2 and cleaning plant 3 in frame 1, sheller unit 2 is located at the top in the front of cleaning plant 3.
The present embodiment is applied to middle-size and small-size wheeled harvester, and scalping shoe 31 and the shuttle board 38 of cleaning plant 3 are assembled into one
Body (for large-scale harvester, shuttle board 38 could be arranged to absolute construction).Cleaning plant 3 includes screen frame (unit).Screen frame (unit) includes independent
The scalping shoe 31 of setting and lower screen frame (unit) 32, scalping shoe 31 are supported in the frame 1 of harvester, the two of back stay 33 by back stay 33
End is hinged with scalping shoe 31 and frame 1 respectively.Lower screen frame (unit) 32 is lifted on frame 1, the two ends point of rear suspension bar 34 by rear suspension bar 34
It is not hinged with lower screen frame (unit) 32 and frame 1.Upper sieve nest 311 is fixedly connected on scalping shoe 31, and lower sieve nest 321 is fixedly connected on lower screen frame (unit)
32。
Scalping shoe 31 and lower screen frame (unit) 32 are driven by toggle, and the mechanism of crank connecting link 35 includes also serving as the driving of crank
Wheel 36, rocking arm 37 and connecting rod 35, rocking arm 37 is articulated with frame 1, scalping shoe 31 and lower screen frame (unit) 32 respectively by hinge in
Rocking arm 37, one end and the rocking arm 37 of connecting rod 35 are hinged, and other end bias is connected to driving wheel 36.Driving wheel 36 is uniformly stirred by material
The rotating shaft of dragon 23 drives.
It is above-mentioned be previously mentioned be hinged and be hinge, and hinged place is provided with rubber shaft bearing.Rubber shaft bearing includes one
Individual sleeve, is provided with a rubber and reverses set in sleeve, the inner circumferential of sleeve is interference fit with the periphery of rubber shaft bearing.Rubber is reversed
Jointed shaft is sheathed on, it is interference fit that rubber is reversed between set endoporus and jointed shaft.In the course of work of cleaning plant 3, rubber
Glue is reversed between set and sleeve and jointed shaft without friction, can be prevented rubber from reversing set and be ground away.Rubber reverses set and produces elastic deformation
Realize twist motion of the sleeve relative to jointed shaft.Installation accuracy can be reduced using rubber shaft bearing.
Sheller unit 2 includes cut flow roller 21, the axial-flow type drum 22 of lateral arrangement, and cut flow roller 21 is installed on axial-flow type drum
22 front portion, and the position of axial-flow type drum 22 is higher than to cut stream cut flow roller 21 position.Cut flow roller 21 and the lower section of axial-flow type drum 22 are
Grid concave plate 24 is installed.The lower section of grid concave plate 24 is provided with material leveling auger 36, and the material that two rollers are taken off passes through material
Leveling auger 36 is conveyed to cleaning plant 3.The rear side of material leveling auger 36 is adjacent with cleaning plant 3, and the material of conveying is by upper
The shuttle board 38 of screen frame (unit) 31 is pushed on supreme sieve nest 311, and the wind-force produced by blower fan is screened, and seed, grain husk are carried out to material
Chaff, straw grass, the first-class separation of fringe.The seed of weight or small fringe head are fallen into and lower sieve by the sieve aperture of upper sieve nest 311 in watering and separation procedure
On the lower sieve nest 321 that frame 32 is fixed together, by screen frame (unit) drive device and the back stay 33 of scalping shoe 31, the rear suspension bar of lower screen frame (unit) 32
34 are driven, and scalping shoe 31 is made relative direction and moved back and forth with lower screen frame (unit) 32, will fall into seed, the small ear head of lower sieve nest 321
Shakeout, uniformly, clean seed is fallen into seed drain pan device through wind filter, small ear is first-class to be pushed to lower sieve nest 321
Rear side, falls into miscellaneous remaining drain pan and is taken off again.Straw grass long, clever chaff on upper sieve nest 311 through wind-force blowout machine outside, the length not purified
Fringe head is pushed to afterbody and falls into miscellaneous remaining drain pan backward by upper sieve nest 311, is taken off again.
The scalping shoe 31 of double screen frame (unit) cleaning plants of the improved structure and the relative direction of lower screen frame (unit) 32 are moved back and forth, favorably
In the inertia force for balancing its motion, and the performance improvement of maximum is that material can be equal between upper sieve nest 311 and lower sieve nest 321
Cloth, the seed of screening is clean.
United reaper of the invention still keeps the compactedness of sheller unit 2 and the structure of cleaning plant 3, seed after improvement
Harvest clean, broken careless, short cane, the first-class percentage of impurity of small ear have before being relatively improved and significantly lifted.
Claims (5)
1. a kind of threshing cleaning unit, including frame, the front portion of the frame is provided with sheller unit, the rear portion peace of the frame
Equipped with cleaning plant, the sheller unit is located at the top of the cleaning plant, and the cleaning plant includes：
Screen frame (unit), the screen frame (unit) is connected with sieve nest and lower sieve nest, and the screen frame (unit) is driven by toggle；Characterized in that,
The screen frame (unit) includes the scalping shoe and lower screen frame (unit) that are independently arranged, and the scalping shoe is provided with shuttle board, and the scalping shoe leads to
Later in the frame of harvester, the two ends of the back stay are hinged strut support with the scalping shoe and the frame respectively；Institute
State lower screen frame (unit) and the frame is lifted on by rear suspension bar, the two ends of the rear suspension bar are cut with scissors with the lower screen frame (unit) and the frame respectively
Connect；The upper sieve nest is connected to the scalping shoe, and the lower sieve nest is connected to the lower screen frame (unit).
2. cleaning and sorting machine for harvester as claimed in claim 1, it is characterised in that the toggle includes：
Driving wheel, rocking arm and the connecting rod of crank are also served as, the rocking arm is articulated with the frame, the scalping shoe and the lower screen frame (unit)
Respectively by hinge in the rocking arm, one end of the connecting rod is hinged with the rocking arm, and other end bias is connected to described
Driving wheel.
3. cleaning and sorting machine for harvester as claimed in claim 1 or 2, it is characterised in that described being hinged is hinge, and in hinge
The place of connecing is provided with rubber shaft bearing.
4. threshing cleaning unit as claimed in claim 1, it is characterised in that the sheller unit include and before and after be arranged side by side
Cut flow roller and axial-flow type drum, the cut flow roller arranges that the axial-flow type drum cleans with described higher than the axial-flow type drum
Material leveling auger is provided between device.
5. threshing cleaning unit as claimed in claim 4, it is characterised in that the cut flow roller and axial-flow type drum lower section
It is mounted on grid concave plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012977.9A CN106818066A (en) | 2017-01-09 | 2017-01-09 | Threshing cleaning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012977.9A CN106818066A (en) | 2017-01-09 | 2017-01-09 | Threshing cleaning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106818066A true CN106818066A (en) | 2017-06-13 |
Family
ID=59118083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710012977.9A Pending CN106818066A (en) | 2017-01-09 | 2017-01-09 | Threshing cleaning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106818066A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109937712A (en) * | 2019-02-20 | 2019-06-28 | 江苏大学 | A kind of cleaning plant and the cropper for installing the device |
| CN112825681A (en) * | 2020-12-30 | 2021-05-25 | 中国农业大学 | Corn threshing and cleaning test bed with intelligent control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1952807B1 (en) * | 1969-10-21 | 1970-08-20 | Deere & Co | An extension of the short straw sieve of threshing machines and combine harvesters consisting of fingers |
| CN2894236Y (en) * | 2006-03-18 | 2007-05-02 | 福田雷沃国际重工股份有限公司 | Harvester threshing-cleaning device |
| CN203735077U (en) * | 2014-03-19 | 2014-07-30 | 福田雷沃国际重工股份有限公司 | Self-propelled grain combine harvester |
| CN105723955A (en) * | 2016-04-06 | 2016-07-06 | 山东常林农业装备股份有限公司 | Vibrating screen cleaning mechanism used for peanut combine harvester |
| CN205611279U (en) * | 2016-05-09 | 2016-10-05 | 四平市顺邦农机制造有限公司 | Self -propelled vertical biax stream millet air screen cleaning plant for combine |
-
2017
- 2017-01-09 CN CN201710012977.9A patent/CN106818066A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1952807B1 (en) * | 1969-10-21 | 1970-08-20 | Deere & Co | An extension of the short straw sieve of threshing machines and combine harvesters consisting of fingers |
| CN2894236Y (en) * | 2006-03-18 | 2007-05-02 | 福田雷沃国际重工股份有限公司 | Harvester threshing-cleaning device |
| CN203735077U (en) * | 2014-03-19 | 2014-07-30 | 福田雷沃国际重工股份有限公司 | Self-propelled grain combine harvester |
| CN105723955A (en) * | 2016-04-06 | 2016-07-06 | 山东常林农业装备股份有限公司 | Vibrating screen cleaning mechanism used for peanut combine harvester |
| CN205611279U (en) * | 2016-05-09 | 2016-10-05 | 四平市顺邦农机制造有限公司 | Self -propelled vertical biax stream millet air screen cleaning plant for combine |
Non-Patent Citations (1)
| Title |
|---|
| 佳木斯联合收割机厂编写组: "《丰收-3.0联合收割机》", 30 April 1979, 黑龙江人民出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109937712A (en) * | 2019-02-20 | 2019-06-28 | 江苏大学 | A kind of cleaning plant and the cropper for installing the device |
| WO2020168613A1 (en) * | 2019-02-20 | 2020-08-27 | 江苏大学 | Cleaning and selection apparatus and harvester equipped therewith |
| US11252872B2 (en) | 2019-02-20 | 2022-02-22 | Jiangsu University | Cleaning device for even material distribution via shaking and harvester equipped therewith |
| CN112825681A (en) * | 2020-12-30 | 2021-05-25 | 中国农业大学 | Corn threshing and cleaning test bed with intelligent control system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
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| RJ01 | Rejection of invention patent application after publication |