CN106576578A - Vibrating screen assembly of combine harvester - Google Patents
Vibrating screen assembly of combine harvester Download PDFInfo
- Publication number
- CN106576578A CN106576578A CN201611264645.1A CN201611264645A CN106576578A CN 106576578 A CN106576578 A CN 106576578A CN 201611264645 A CN201611264645 A CN 201611264645A CN 106576578 A CN106576578 A CN 106576578A
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- Prior art keywords
- screening
- vibrosieve
- fixed
- screening bar
- bar
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- 238000012216 screening Methods 0.000 claims abstract description 87
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 16
- 235000009566 rice Nutrition 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 28
- 230000033001 locomotion Effects 0.000 claims description 25
- 241000209094 Oryza Species 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims 1
- 235000013339 cereals Nutrition 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 240000007594 Oryza sativa Species 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 9
- 238000007873 sieving Methods 0.000 description 8
- 239000004744 fabric Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 210000000582 semen Anatomy 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- A01F12/44—Grain cleaners; Grain separators
- A01F12/446—Sieving means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention belongs to the technical field of screening machinery, and in particular relates to a vibrating screen assembly of a combine harvester. The vibrating screen assembly of the combine harvester comprises a screening bar assembled system, a tailing screen assembled system and a vibrating screen transmission system, wherein the screening bar assembled system is composed of screening bars and a screening bar fixing board, the tailing screen assembled system is composed of a rice machine lower screen piece, a tailing screen and a vibrating screen rack, the vibrating screen transmission system is connected to one end of a transmission rod sequentially through half-round balance weight iron, a vibrating screen chain wheel, a vibrating screen bearing block, a fixed base and an eccentric gear, and the eccentric gear, the bearing block, and the bearing block are sequentially connected to the other end of the transmission rod, and are fixed to the vibrating screen rack below the tailing screen assembled system. Through the match of the screening bar assembled system, the tailing screen assembled system and a rear rubber plate of a main horizontal auger, during the vibrating process of the vibrating screen, the screening bars vibrate horizontally, the tailing screen vibrates longitudinally, so that the splashing of grains can be effectively prevented, the repeated screening is carried out, thus the grain screening efficiency is improved.
Description
Technical field
The invention belongs to sieving machine technical field, and in particular to a kind of vibrosieve assembly of united reaper.
Background technology
Nowadays, the agricultural economy output value is growing, agricultural machinery modernization high speed development, the use of farm machinery with energetically
The agriculture business work that popularization makes field heavy has switched to mechanization by manpower, greatly reduces mass peasants and works hard work in field
Workload.As agricultural machinery is to more efficient, more facilitation direction development, farm machinery has obtained the heat of the vast farmerses masses
Strong welcome, market prospect is very considerable, has further promoted the development of mechanization of agriculture.In the total output of grain that China is annual
In, the yield of Oryza sativa L. and Semen Tritici aestivi has exceeded the half of total output, and its cultivated area, throughout all parts of the country, is China most important two
Generalized grain crop, because the results of Oryza sativa L. and Semen Tritici aestivi rely primarily on united reaper, therefore determines united reaper in agricultural
The very important status of mechanical field so that its production scale also expands year by year.
The sieving machine of wherein harvester is the special equipment for being screened to bulk granular material in engineering and being classified, and its is main
Function be bulk granular material is classified, is dehydrated, desliming, de-mediated and by quality sorting.The result of screening operation is not only affected
The efficiency of next step operation, and also contribute to the commodity value of direct or indirect generation.Motion of the bulk granular material on compass screen surface
State has the extremely complex mechanical characteristic similar to fluid, is design level, the potentiation consumption reduction for improving sieving machine, urgently
Need to understand in depth kinestate of the bulk granular material on compass screen surface and sieve rule thoroughly.Vibrosieve is the groundwork of united reaper
Part, is also sieving machine the most frequently used in current engineering.Sieve performance is to need to consider in the design and application of vibrosieve
Major issue, but existing Screening theory can not satisfactorily solve these problems, because existing Screening theory is for examination
The dependency tested is very big, and it so not only wastes time and energy with generally requiring to combine substantial amounts of test, often cannot also ideal
Result.
In recent years, as the research to sieving machine deepens continuously, in screen box structure, compass screen surface movement locus and compass screen surface material
Etc. aspect carry out substantial amounts of research work so that it is developed rapidly and perfect.Its development trend has following several respects：
(1) to standardization, generalization, seriation development.This is easy for designing, organizes Virtual production, ensures quality and reduction
The approach of cost.The width of USL, USK screen(ing) machine of German KHD companies is with 200mm as one grade.Length is with 750 mm as one grade of composition
45 kinds of specification products of two series.Its screen cloth, crossbeam, power transmission shaft, feedboard, reclaiming plate realize standardization, generalization,
Also only three kinds of vibrator.The simultaneously cold and hot sintering jig of the Carl Schenck AG of Germany and equal thick screen only general two kinds of vibrators, it is seen that
Three height for changing degree.
(2) keep the large-scale development, the maximization of sieving machine is conducive to improving treating capacity, expands the scale of production, and improves life
Efficiency is produced, convenient management improves the economic benefit of enterprise.In recent years, large-scale sieving machine development both domestic and external is swift and violent.It is so-called big
Type screening machine, does not have the specification limit to it to make to specify in design specification., in more than 2.4m, area is in 15m for general width2With
On, it is believed that it is large-scale screening machine.The width of German Shen gram (SCHENCK) company manufacture is 4m, and length is 8.5m, and area is
34m2Coke screening machine, disposal ability reach 800m3/h.The single shaft vibration of German sieve technology company (SIEBTECHNIK) manufacture
The effective width of sieve is 2.4m to the maximum, and length is 6m；And the effective width of dual-axis vibration sieve is 5.5m to the maximum, length is 11m.Day
The maximum specification of the HLW type linear vibrating screens that Benshen's steel is developed is width 3.6m, and long 7.5m, area is 24m2's.Kawasaki, Japan weight
Work have also been developed wide 4m, and long 9.5m, area is 38m2Linear vibrating screen.Mine building equipment exhibition is held in the U.S. within 2003
The width of three shaft vibrations sieve of exhibition can be gone up all in more than 2m.
(3) develop to ideal movements track vibrating screen, screening machine unit area disposal ability under certain screening efficiency,
Depend greatly on the movement locus of screen cloth.The achievement in research of recent decades is largely reflected in the motion of screen cloth
In the change of track.The movement locus of screen cloth develop into various curves from straight line；Develop to non-linear from linear；From plane
Curve to spatial complex curve, to adapt to process the requirement by sieve material of various different qualities.
(4) vibration mechanism of vibrosieve will break through traditional vibration shape, and take new vibration mode, fundamentally solve
Certainly current insoluble some subject matters of vibrosieve.From from the aspect of the Theory of Vibration for being adopted, traditional determination can be broken through
Property linear oscillator it is theoretical, and adopt the stationary linear random vibration theory for more tallying with the actual situation and Nonlinear Random Vibration reason
By.
(5) using motor synchronizing technology, realize that synchronous self-synchronizing vibrating screen need not install gear using mechanics principle same
Step device, can simplify structure, reduce noise, reduce equipment fault, save maintenance cost.Motor synchronizing formula vibrosieve will be obtained further
Development.
(6) develop to difficult screening materials carrying screen(ing) machine, moisture content 7%～14%, granularity exists in the fine moist material of below 6mm
Easily bond in screening process agglomerating, block screen cloth, screening difficulty is very big.Chinese scholars are successively designed for difficult screened material
Polytype screening plant, mainly there is rotary probability screen, flip flop screen, equal thick screen extension set, piano wire screen etc..Through decades not
Disconnected to explore, the material sieving technology of fine moist material still needs to preferably solve the machinery of screening machine achieved with very big progress
Contradiction between intensity and technological effect.
(7) noise is further reduced because vibration screening machinery operating noise is big, work under hard conditions.How improved structure,
Using more reasonably kinetic parameter, still one important topic of research of noise is reduced.
(8) high reliability, the development of reliability, maintainability, safety and human factors vibrosieve.
It is contemplated that continuous ripe and perfect with vibrosieve technology, the structure of vibrosieve more rationally can be entered
One-step optimization and standardization, making the production cost and maintenance cost of product further reduces, and screening efficiency and productivity ratio can enter one
Step is improved.
The content of the invention
It is an object of the invention to provide a kind of in hgher efficiency, the joint that system reliability is higher, resonant horizontal is lower is received
The vibrosieve assembly of cutting mill.
The object of the present invention is achieved like this：
The vibrosieve assembly of united reaper includes screening bar combined system, tail sheet combined system and vibrosieve drive system；
A kind of vibrosieve assembly of united reaper, including screening bar combined system, tail sheet combined system and vibrosieve power train
System；It is characterized in that：Described screening bar combined system is constituted by bar, screening bar fixed plate is screened, and screening bar is single row configuration,
Wherein have two screening bars to be fixed in screening bar fixed plate by screening bar governor motion and detent mechanism, remaining screening
Bar is bolted in screening bar fixed plate；There is arcuate groove on described screening bar governor motion, bolt passes through arcuate groove
It is fixed on screening bar governor motion, screening bar governor motion lower section has the fixing hole of screening bar, screening bar governor motion top
There is bulge-structure, bulge-structure limits raised hunting range, screens bar group by the pin-and-hole being fixed in screening bar fixed plate
Syzygy system is fixed on the centre position of shaker basket；Described tail sheet combined system is by sieve, tail sheet and vibrosieve under rice machine
Frame is constituted, and described tail sheet is made up of the tail sheet zigzag sieve of the fixed counterpiece number of some tail sheet bars series connection simultaneously, and is installed
In tail sheet fixed plate, tail sheet fixed plate is fixed on the end of shaker basket by bolt, plain cushion and spring washer, sieve under rice machine
The bottom surface of shaker basket is fixed on by bolt, plain cushion and spring washer；Vibrosieve drive system is successively by semicircle balance weight iron, vibration
Sieve rotating wheel, vibrating screen bearing seat, fixed seat and eccentric are connected to one end of drive link, eccentric, bearing block and bearing block
It is sequentially connected in the shaker basket that the other end of drive link is fixed on below tail sheet combined system.
Described bolt connects split pin and fixes screening bar by plain cushion, spring washer.
Also include material driver plate 18, material driver plate is fixed on the head end of shaker basket, uniformly sets on material driver plate
It is equipped with horizontal convex bar.
Also include rubber dermatotome 19 after main horizontal screw conveyor, obliquely under the junction of sieve under rice machine and tail sheet
Side.
The installation direction of described material driver plate to screening bar combined system is inclined.
The installation direction of described tail sheet to screening bar combined system is inclined.
Described material driver plate, one end is fixedly connected on the head end of shaker basket, and one end is overlapped under material driver plate
On the lever of side.
Described tail sheet, one end is fixedly connected on the tail end of shaker basket, and one end is overlapped on the shelves below material driver plate
On bar, the lower section of tail sheet fixed plate is connected with the eccentric contact of vibrosieve drive system.
Rubber peel is fixed with the outside of the described side of shaker basket four.
Described rubber peel is fixed on shaker basket edge by rubber peel press strip.
The beneficial effects of the present invention is：
The present invention is being shaken using the cooperation of rubber dermatotome after screening bar combined system, tail sheet combined system and main horizontal screw conveyor
In dynamic sieve vibration processes, bar transverse vibration is screened, tail sheet longitudinally shakes, and can effectively prevent grain from spilling, carries out repeating to screen out,
Improve sieve grain efficiency.
Description of the drawings
Fig. 1 is overall structure figure of the present invention.
Fig. 2 is present configuration bottom view.
Fig. 3 is present configuration top view.
Fig. 4 is present configuration left view.
Fig. 5 is present configuration right view.
Fig. 6 is sieve structure chart under rice machine of the present invention.
Fig. 7 is tail sheet structure chart of the present invention.
Fig. 8 is present invention screening bar combined system structure chart.
Fig. 9 is vibrosieve drive system structure figure of the present invention.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings.
As described in Fig. 1-9, the vibrosieve assembly of united reaper includes screening bar combined system, tail sheet combined system and shakes
Dynamic sieve drive system；
Described screening bar combined system by screen bar, screening bar fixed plate constitute, screening bar be single row configuration, generally 22
Or 27, wherein two screening bars are fixed in screening bar fixed plate by screening bar governor motion and detent mechanism, should
Two screenings article are preferably the 9th and the 16th or the 8th and the 15th, and remaining screening bar is bolted on screening bar and consolidates
In fixed board；There is arcuate groove on described screening bar governor motion, bolt is fixed on screening bar governor motion by arcuate groove, sieve
Bar governor motion lower section is selected to have the fixing hole of screening bar, there is bulge-structure on screening bar governor motion top, and bulge-structure is by solid
The pin-and-hole being scheduled in screening bar fixed plate limits raised hunting range, screens the centre that bar combined system is fixed on shaker basket
Position；Described tail sheet combined system is made up of sieve, tail sheet and shaker basket under rice machine, and described tail sheet is by some tail sheets
Bar is connected and fixes the tail sheet zigzag sieve composition of counterpiece number simultaneously, and in tail sheet fixed plate, typically adopts 6 tails
The tail sheet zigzag sieve that 29 numbers are fixed in the series connection simultaneously of sieve bar is preferred, and tail sheet fixed plate passes through bolt, plain cushion and spring washer
The end of shaker basket is fixed on, sieve is fixed on the bottom surface of shaker basket by bolt, plain cushion and spring washer under rice machine；Vibration
Sieve drive system is connected to biography by semicircle balance weight iron, vibrosieve rotating wheel, vibrating screen bearing seat, fixed seat and eccentric successively
One end of lever, eccentric, bearing block and bearing block are sequentially connected the other end of drive link and are fixed on tail sheet combined system lower section
Shaker basket on, vibrosieve rotating wheel can be sprocket wheel or belt pulley.Described bolt connects split pin by plain cushion, spring washer
Fixed screening bar.Also include material driver plate, material driver plate is fixed on the head end of shaker basket, uniformly sets on material driver plate
It is equipped with horizontal convex bar.Also include rubber dermatotome after main horizontal screw conveyor, obliquely sieve and tail sheet under rice machine
Junction lower section.The installation direction of described material driver plate to screening bar combined system is inclined.The installation side of described tail sheet
To the combined system inclination of screening bar.Described material driver plate, one end is fixedly connected on the head end of shaker basket, one end overlap joint
On lever below material driver plate.Described tail sheet, one end is fixedly connected on the tail end of shaker basket, and one end is overlapped on thing
On lever below material driver plate, the lower section of tail sheet fixed plate is connected with the eccentric contact of vibrosieve drive system.Described
Shaker basket four is fixed with rubber peel on the outside of side.Described rubber peel is fixed on shaker basket edge by rubber peel press strip.
The present invention adopts the cooperation of rubber dermatotome after screening bar combined system, tail sheet combined system and main horizontal screw conveyor, in vibrosieve
In vibration processes, bar transverse vibration is screened, tail sheet longitudinally shakes, and can effectively prevent grain from spilling, carry out repeating to screen out, improved
Sieve grain efficiency；Adjusted using screening bar two ends are set to into screening bar governor motion, then entirely sieved under the drive of drive shaft
Select bar to will be similar to that screen cloth blocks bulk debris, prevent bulk debris from resting under rice machine in sieve, affect sieve rice effect；
Rubber strip is provided with using in the edge of adjacent shaker basket two-by-two, prevents from leaking grain from junction, improve sieve grain effect；Using
Rubber peel press strip is pressed in rubber peel in shaker basket, and only needing to take apart two locks in repair demolition vibrosieve just can will be whole
Individual vibrosieve is disassembled, and reduces maintenance difficulty, improves maintenance efficiency.Half is provided with by vibrosieve drive system side
Circular polarization block, polarization block is relative in the position of capacity eccentric bearing with drive shaft in the position of vibrosieve side.Using polarization block
Can jolt power of the balance drive axle to sieve plate, improve the stability of drive shaft.
Under described rice machine sieve to shaker basket head end diagonally downward.Tail sheet lower section is provided with damping spring, described
The global stiffness of damping spring is required
K=Mωg 2
K be spring global stiffness, ωgFor the natural frequency of vibrosieve, M is vibrosieve gross mass.
Therefore the global stiffness of each spring is：K/n, n are spring sum.
The quality of eccentric is
m=MAw/ r, AwFor tail sheet amplitude, r is the radius of gyration of eccentric.
The amplitude of the screening bar of described screening bar combined system is：
A=P/│K-Mω2│
Wherein, P is screening bar vibration force amplitude.P=rAw/K
It is to be herein pointed out the present invention establishes the two-dimensional kinematics model of vibrosieve.For to be studied vibrosieve
Structure and forms of motion, have carried out kinematics analyses, first using the cartesian approach of multi rigid body system dynamics to vibrosieve
Coordinate system is established, the secondary constraint equation of different motion has been derived according to the coordinate system set up（Including position constraint equation, speed
Degree constraint equation and constrained equations of acceleration etc.）, the group collection and method for solving of whole system constraint equation are then described, finally
The relation for calculating each point motion parameter in vibrosieve has been derived, by the setting of above-mentioned parameter, the tail sheet and sieve of vibrosieve has been made
Select bar system to coordinate automatically, reach the impact of the system resonance minimum, vibrosieve will not integrally produce resonance effect.
Claims (10)
1. a kind of vibrosieve assembly of united reaper, including screening bar combined system, tail sheet combined system and vibrosieve transmission
System；It is characterized in that：Described screening bar combined system is constituted by bar, screening bar fixed plate is screened, and screening bar is single knot
Structure, wherein have two screening bars to be fixed in screening bar fixed plate by screening bar governor motion and detent mechanism, remaining
Screening bar is bolted in screening bar fixed plate；There is arcuate groove on described screening bar governor motion, bolt passes through arc
Shape groove is fixed on screening bar governor motion, and screening bar governor motion lower section has the fixing hole of screening bar, screens bar governor motion
There is bulge-structure on top, and bulge-structure limits raised hunting range, screening by the pin-and-hole being fixed in screening bar fixed plate
Bar combined system is fixed on the centre position of shaker basket；Described tail sheet combined system is by sieve, tail sheet under rice machine and shakes
Dynamic screen frame (unit) composition, described tail sheet is made up of the tail sheet zigzag sieve of the fixed counterpiece number of some tail sheet bars series connection simultaneously, and
In tail sheet fixed plate, tail sheet fixed plate is fixed on the end of shaker basket by bolt, plain cushion and spring washer, under rice machine
Sieve is fixed on the bottom surface of shaker basket by bolt, plain cushion and spring washer；Vibrosieve drive system successively by semicircle balance weight iron,
Vibrosieve rotating wheel, vibrating screen bearing seat, fixed seat and eccentric are connected to one end of drive link, eccentric, bearing block and axle
Bearing is sequentially connected in the shaker basket that the other end of drive link is fixed on below tail sheet combined system.
2. the vibrosieve assembly of a kind of united reaper according to claim 1, it is characterised in that：Described bolt passes through
Screening bar is fixed in plain cushion, spring washer connection split pin.
3. the vibrosieve assembly of a kind of united reaper according to claim 1, it is characterised in that：Also it is driven including material
Plate, material driver plate is fixed on the head end of shaker basket, and horizontal convex bar is evenly arranged with material driver plate.
4. the vibrosieve assembly of a kind of united reaper according to claim 1, it is characterised in that：Also stir including main level
Rubber dermatotome after dragon, obliquely under rice machine below the junction of sieve and tail sheet.
5. the vibrosieve assembly of a kind of united reaper according to claim 1, it is characterised in that：Described material transmission
The installation direction of plate to screening bar combined system is inclined.
6. the vibrosieve assembly of a kind of united reaper according to claim 1, it is characterised in that：The peace of described tail sheet
Dress direction to screening bar combined system is inclined.
7. the vibrosieve assembly of a kind of united reaper according to claim 1, it is characterised in that：Described material transmission
Plate, one end is fixedly connected on the head end of shaker basket, and one end is overlapped on the lever below material driver plate.
8. the vibrosieve assembly of a kind of united reaper according to claim 1, it is characterised in that：Described tail sheet, one
End is fixedly connected on the tail end of shaker basket, and one end is overlapped on the lever below material driver plate, the lower section of tail sheet fixed plate
It is connected with the eccentric contact of vibrosieve drive system.
9. the vibrosieve assembly of a kind of united reaper according to claim 1, it is characterised in that：Described shaker basket
Rubber peel is fixed with the outside of four sides.
10. the vibrosieve assembly of a kind of united reaper according to claim 9, it is characterised in that：Described rubber peel
Shaker basket edge is fixed on by rubber peel press strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611264645.1A CN106576578B (en) | 2016-12-30 | 2016-12-30 | Vibrating screen assembly of combine harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611264645.1A CN106576578B (en) | 2016-12-30 | 2016-12-30 | Vibrating screen assembly of combine harvester |
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| CN106576578A true CN106576578A (en) | 2017-04-26 |
| CN106576578B CN106576578B (en) | 2024-01-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108064538A (en) * | 2017-12-15 | 2018-05-25 | 武汉市农业科学院 | A kind of mud fruit separation device for water chestnut harvest |
| CN115106285A (en) * | 2022-06-20 | 2022-09-27 | 农业农村部南京农业机械化研究所 | Edible bean vibrating screen mechanism |
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| CN108064538A (en) * | 2017-12-15 | 2018-05-25 | 武汉市农业科学院 | A kind of mud fruit separation device for water chestnut harvest |
| CN108064538B (en) * | 2017-12-15 | 2023-09-26 | 武汉市农业科学院 | Mud-fruit separating device for harvesting water chestnuts |
| CN115106285A (en) * | 2022-06-20 | 2022-09-27 | 农业农村部南京农业机械化研究所 | Edible bean vibrating screen mechanism |
| CN115106285B (en) * | 2022-06-20 | 2024-03-08 | 农业农村部南京农业机械化研究所 | Edible bean vibrating screen mechanism |
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