CN107347384A - Self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant - Google Patents
Self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant Download PDFInfo
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- CN107347384A CN107347384A CN201610297390.2A CN201610297390A CN107347384A CN 107347384 A CN107347384 A CN 107347384A CN 201610297390 A CN201610297390 A CN 201610297390A CN 107347384 A CN107347384 A CN 107347384A
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- sieve
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- 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
Abstract
The present invention discloses a kind of self-propelled twin shaft stream grain combine harvester pneumatic jig cleaning plant.The device is by staged shuttle board,Cleaning screen on ladder punched holes type,Woven lower cleaning sieve,Woven tail sheet,Cross flow fan,The key operation functional parts such as crank swing arm driving mechanism form,Cloth is conveyed with loose be uniformly dispersed continuously uninterruptedly is shaken,Coarse-fine two-stage large area relatively back and forth clean by shake,Blade paddy handle air-flow in small, broken bits blows floating discharge,The driving operation of bilateral support balanced synchronization,Miscellaneous remaining collect of the code of paddy containing small ear waits seed cleaning operation function back off,Preferably solving existing millet harvester, to clean handling capacity present in seed cleaning operation technique link low,It is small effectively to clean working area,Crushing straw blade kinks alluvial obstruction compass screen surface,It is uneven to clean material feeding,Seed percentage of impurity is high,Entrainment loss is big to wait technical barrier,The seed cleaning technical conditions requirement for carrying out mechanical harvest operation under different condition to millet crop can be met.
Description
Technical field
This patent is related to a kind of agricultural machinery special-purpose member, in particular relate to a kind of with the double axial flow threshing separation facility close fits in longitudinal direction, self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant for the progress seed cleaning operation of mechanical harvest millet crop.
Background technology
Millet origin of crop is in China, large area artificial growth is away from the present existing more than 8000 years history, Gu claims millet or grain, is exactly the important grain variety in China since ancient times, has the characteristics that drought-resistant, impoverishment tolerant, water demand are few, field management is easy, plantation input is little, strong adaptability.The northern provinces and regions such as Hebei in China, Shandong, Shanxi, Shaanxi, Jilin, Liaoning, Inner Mongol, it is the major production areas of millet crop all the time；Millet crop gross annual output amount accounts for 80% or so of whole world total output up to more than 280 ten thousand tons at present, is millet crop production big country of the world, and the principal item of China's grain-export export trade, and particularly significant status is occupied in agricultural production.
Millet crop kernel because containing nutriment necessary to the human body such as abundant vitamin, protein, fat, carbohydrate and calcium, phosphorus, iron, and especially easily it is ripe it is agreeable to the taste easily absorb, obtained popular welcome and the eating of people.But because millet crop is all the time by per unit area yield is less, price is relatively low, is not easy to realize that the factors such as mechanized harvest are influenceed, cultivated area had once once been greatly reduced, and the position on dining table is also gradually withdrawn to from staple food grain to aid nutrition kind status.Recent years, as people's living standard steps up, diet structure and nutritive value idea are also constantly changing, increasing to the quantity required of millet on dining table, and millet market sale price has reached 3~4 times of corn, and toward contact, supply falls short of demand；And making constant progress with scientific and technological level, the good quality and high output new varieties of millet crop are constantly released, many kind per unit area yields are attained by more than 520kg/ mus, the plantation economic benefit of millet crop is substantially suitable with corn so that national millet crops planting area is picked up year after year.The Major Strategic measures such as many expert's all predicted estimates, the adjustment crop growing mix proposed along with country, supply side structural reform are progressively carried out implementing, and millet crops planting area can also increase by a fairly big margin.
For a long time, because China is all the time without special millet crop harvesting machine, the harvest operation of most millet crops is forced, all has to continue to use that bundle is cut in manpower field, machinery transports threshing place, cal rolling threshing, the traditional work flow that manually or mechanically wind-force is cleaned on field.Existing this artificial mechanism coordinates harvesting method, both the problems such as appropriation of labour power is more, personnel labor intensity is big, low production efficiency, high operation labour cost be present, there is also harvest operation link is more, place rolls that threshing performance is low, a problems such as entrainment loss is big is fallen in collision in operation.Some millet crop large area plantation area, selection carries out harvest operation using wheat, rice class corn mowing machine, but because core job functional part can not still fully meet the threshing of millet crop, separate, the technical conditions requirement such as clean, in the prevalence of the technical problem such as threshing performance is low, percentage of damage is high, percentage of impurity is high, loss late is big.At present, the special harvest machinery of millet crop is developed as early as possible, realizes millet crop mechanized harvest operation, it has also become restricts the main bottleneck of millet crop-planting industry development.
Under the powerful pulling of the market demand, recent years many R＆D institutions, institution of higher learning and manufacturing enterprise, the special harvest machinery of millet crop is all included in focus scientific research task one after another to be developed, there are many scientific achievements and patented technology to start to disclose disclosure successively, also some special millet harvester new architectures start to launch use, both market segment urgent need had effectively been alleviated, has also achieved preferable operation effectiveness.But as a complete unit, special millet harvester is still at an early stage, to the biological structure morphological character of millet crop, millet crop-planting harvest feature etc., still needs to carry out further investigation discussion；Threshing, the integral arrangement form key operation device such as separate, clean, operation technique performance boost measure, parts Operating match such as coordinate at the key core technical elements in mechanical harvest operation, particularly in terms of production operational capacity is improved, still there is larger research and development space.
This patent is on the basis of the existing special millet harvester essential core operation function part pneumatic jig cleaning plant Shortcomings in China and weakness is conscientiously researched and analysed,According to the biological structure morphological character of millet crop,Targetedly in the integral arrangement form of device,Operation technique performance boost measure,In terms of the key core technology contents such as matching arrangement are coordinated in parts operation,Take multinomial structure innovation technical measures,Research and design goes out a kind of double axial flow threshing separation facility matching and coordinations in and longitudinal direction,In the form of longitudinally corresponding adapting structure for electric mounting arrangements,By staged shuttle board,Sorting screen on ladder punched holes type,Woven lower cleaning sieve,Woven tail sheet,Cross flow fan,Self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant of the main parts sizes such as crank swing arm driving mechanism composition,It is little preferably to solve production operational capacity existing for existing millet harvester,It is not strong to clean handling capacity,Percentage of impurity is high,Loss late is big to wait technical barrier,Self-propelled longitudinal twin shaft stream grain combine harvester is set to meet the different technologies condition requirement for carrying out mechanized harvest operation under the conditions of northern China varying environment to millet crop.
The content of the invention
The technical problem that this patent intends to solve.
The grain ear of millet crop is in multistage accumulation structural form, it is made up of cob, dendritic fringe bone, small ear, paddy code, seed, grown around cob without several dendritic fringe bones, numerous small ear is all grown on dendritic fringe bone, numerous paddy code is included in each small ear, more seeds are grown in each paddy code, every seed is all linked by paddy handle and paddy code；Millet crop has that stalk is soft, ratio of grain to straw is big, hung low with green ripe, grain ear, the light biomorph characteristic such as small more than seed.In mechanized harvest operation process is carried out to millet crop, easily there is paddy code or even small ear is integrally deviate from, crushing straw blade and seed kink the problems such as agglomerating, seed is blocked by crushing straw blade entrainment discharge, sorting screen surface alluvial.
This patent is according to the biological structure morphological character of millet crop and what is easily occurred clean technical quality problems,Targeted research and design goes out a kind of overall in the form of longitudinally corresponding adapting structure for electric mounting arrangements,Cloth is conveyed with loose be uniformly dispersed continuously uninterruptedly is shaken,Coarse-fine two-stage large area relatively back and forth clean by shake,Crushing straw blade air blows floating discharge,The driving operation of bilateral support balanced synchronization,The miscellaneous remaining collection of the code of paddy containing small ear waits self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant of technical characteristic back off,By with the double mutually coordinated matchings of axial flow threshing separation facility in longitudinal direction,Resolving existing millet harvester, to clean handling capacity present in seed cleaning operation process low,It is small effectively to clean area,Crushing straw blade kinks with seed,Compass screen surface alluvial obstruction,Clean working load shakiness,It is uneven to clean material feeding,Seed percentage of impurity is high,Entrainment loss is big to wait technical barrier.
This patent solves the technical scheme that technical problem uses.
This patent solves technical problem, by using following technical scheme in advance with realization：Research and design goes out one kind and uninterruptedly shakes the loose conveying cloth that is uniformly dispersed with continuous,Coarse-fine two-stage large area relatively back and forth clean by shake,Crushing straw blade air blows floating discharge,Bilateral support synchronously driving operation,The miscellaneous remaining self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant for collecting the distinct technical characteristic such as back off of the code of paddy containing small ear,Including staged shuttle board,Sorting screen on ladder punched holes type,Woven lower cleaning sieve,Woven tail sheet,Cross flow fan,The key operation functional parts such as crank swing arm driving mechanism,The overall mounting arrangements in the form of longitudinally corresponding undertaking of pneumatic jig cleaning plant are in the fuselage inner chamber below the double axial flow threshing separation facilities in the longitudinal direction that main frame is provided with,Front end passes through a left side,Right shuttle board swing arm is respectively hinged at a main frame left side,On the shuttle board support base that right side wall front inner is provided with,Rear end passes through a left side,Upper right sieve swing arm is respectively hinged at a main frame left side,On the upper sieve suspension bracket that right side wall posterior medial is provided with.
The staged shuttle board of research and design, it is a kind of back and forth to shake the conveying operation part that transporting pattern will be cleaned material and be pushed on ladder punched holes type on sorting screen compass screen surface, has and continuous uninterrupted all accept transmission, shake loose scattered, the uniform operation function such as conveying cloth；It is made up of parts such as shuttle board plate case, ladder plate, rubber connection fixing base, shuttle board swing arms, integral installation is arranged in below the double axial flow threshing separation facilities in longitudinal direction, front end is respectively hinged at by left and right shuttle board swing arm on the shuttle board support base that the left and right side wall front inner of main frame is provided with, and rear end is connected by rubber connection fixing base with the front bezel in ladder punching sieve.
Described shuttle board plate case, it is made up of axle in left and right plate wall panel, left and right shuttle board swing arm；Left and right plate wall panel is designed to strip plate shape by cleaning mass flow volume, selection is made using carbon junction steel steel plate, axle is designed to cylinder in left and right shuttle board swing arm, selects to be made using carbon junction steel round steel, is welded is fixed on the front end outer side of left and right plate wall panel respectively.Described ladder plate, it is made up of parts such as plate framework, stepped plate, separation reinforcing plates, integral installation is fixed between left and right plate wall panel, and it is overall to form a kind of rigid box-shaped；The left and right frame of plate framework selects to be made using carbon junction steel angle steel, forward and backward frame selects to be made using carbon junction steel band steel, left and right frame is welded with forward and backward frame using welding method is fixed into plane frame structure rigidity entirety, and band steel upper surface is maintained at the same horizontal plane with angle steel upper side；Stepped plate presses the geomeries such as the ladder height of design, terrace angle of inclination and uses galvanized sheet compressing, is fixed on using clinching method riveting dress in the plane of plate framework formation；Separation reinforcing plate is designed with 3, uses zinc-plated plate stamping and forming by the plate height of design, ladder plate shape, and point of use dress welding method is welded by the horizontal longitudinal direction of distance at equal intervals and is fixed in the plate face of stepped plate.The selection of ladder plate is designed to this structural arrangement form, in back and forth shake running, loose disperse can be separated to cleaning material and effectively shake, material can be avoided cleaning laterally jump to alter and kink, alluvial obstruction plate face, energy will clean material, and continuously uninterrupted uniformly shake push is distributed on ladder punched holes type on sorting screen compass screen surface, is resolved and is cleaned working load shakiness, cleans the unequal technical barrier of material feeding.Described rubber connection fixing base, it is designed with 4, select to be made using vulcanie fibrous material, upper surface is respectively mounted below the rear frame being fixed in plate framework, lower surface is connected with the front bezel in ladder punching sieve, staged shuttle board is formed one kind with sorting screen on ladder punched holes type and be coupled entirety, can realize that the reciprocal shake of synchronous progress is run, and can effectively alleviates the inertia impact of reciprocal jitter motion formation.Described shuttle board swing arm, it is designed with left and right 2, select to be made using carbon junction steel steel plate, upper end is formed with hinged connection hole and is respectively articulated with the shuttle board swing arm being provided with the outside of left and right plate wall panel on axle, lower end, which is welded, is fixed with shuttle board swing arm lower axle, is respectively articulated with the shuttle board support base being provided with installed in the left and right side wall front inner of main frame in hinged connection hole.
Sorting screen on the ladder punched holes type of research and design, be it is a kind of carry out roughing to cleaning material in the form of back and forth shaking and clean operation part, there is large area ladder punching sieve back and forth to shake roughing, tail over crushing straw blade and back and forth shake push discharge etc. and clean operation function；It is made up of parts such as upper sieve screen box, ladder punching sieve, upper sieve swing arms, front end is connected by rubber connection fixing base with the rear frame in ladder plate, it is connected respectively with left and right Qu Dong Oscillating arms by left and right upper sieve drive shaft, rear end is connected by rubber sheet gasket with the front beam in tail sheet screen box, is respectively articulated with by left and right upper sieve swing arm on the upper sieve suspension bracket being provided with installed in the left and right side wall posterior medial of main frame.
Described upper sieve screen box, formed by sieving swing arm lower axle on left and right screen box wallboard, left and right, sieving the parts such as drive shaft on left and right；Left and right screen box wallboard is designed to strip plate shape by cleaning mass flow volume, selects to be made using carbon junction steel steel plate；Left and right upper sieve swing arm lower axle is designed to cylinder, selects to be made using carbon junction steel round steel, is welded is fixed on the outside of the rear end of left and right screen box wallboard respectively；Left and right upper sieve drive shaft is designed to cylinder, selection is made using carbon junction steel round steel, it is welded respectively and is fixed on the front end outer side of left and right screen box wallboard, it is connected with left and right driving rocking arm, drive sorting screen on ladder punched holes type to carry out reciprocal shake operation, complete to carry out reciprocal shake roughing operation to cleaning material.Described ladder punching sieve, it is made up of sieve framework, ladder punched-plate, separation reinforcing plate, integral installation is fixed between left and right screen box wallboard, and it is overall to form a kind of rigid box-shaped；The left and right frame of sieve framework selects to be made using carbon junction steel angle steel, forward and backward frame selects to be made using carbon junction steel band steel, left and right frame is welded with forward and backward frame using welding method is fixed into plane frame structure rigidity entirety, band steel upper surface is maintained at the same horizontal plane with angle steel upper side, front bezel is connected with the rear frame of ladder plate by rubber connection fixing base and is connected, it is driven synchronously to carry out reciprocal shake operation, frame is connected by the front beam of rubber sheet gasket and tail sheet screen box afterwards, drives the shake operation of its synchronous reciprocating；Ladder punched-plate, zinc-plated plate stamping and forming is used by shape sizes such as the ladder height of design, terrace angle of inclination, punching geomery, punching positions, be fixed on using clinching method riveting dress in the plane of sieve framework formation；Separate reinforcing plate and be designed with 3, be made by the plate height of design, ladder punching plate shape using galvanized sheet, using point-like welding method by laterally longitudinal be welded of distance is fixed in the plate face of ladder punched-plate at equal intervals.The selection of ladder punching sieve is designed to this structural arrangement form, can at utmost increase and clean area, effectively improve main frame production operational capacity；The most crushing straw blades tailed over of discharge can be pushed in back and forth shake running, roughing goes out seed and tiny paddy handle leaf bits, can mitigate selected working load, and work capacity is cleaned in raising；Effectively shake can be carried out to cleaning material and separate loose scattered, can avoided cleaning material laterally jumping to alter and kink, alluvial obstruction compass screen surface, resolved and clean that work capacity is low, effectively cleans the technical barriers such as area is small, entrainment loss is big.Described upper sieve swing arm, it is designed with left and right 2, select to be made using carbon junction steel steel plate, upper end, which is welded, is fixed with axle in sieve swing arm, it is respectively articulated with the upper sieve suspension bracket being provided with installed in the left and right side wall posterior medial of main frame in hinged connection hole, lower end is formed with hinged connection hole, is respectively articulated with the upper sieve swing arm lower axle being provided with the outside of left and right upper sieve screen box wallboard rear end.
The woven lower cleaning sieve of research and design, be it is a kind of in the form of back and forth shaking to clean material carry out it is selected clean operation part, there is braiding detailed catalogue sieve aperture precisely to clean, shake operation with air-flow blow floating cooperation discharge debris, back and forth shake balancing inertia impacts etc. and to clean operation function relatively；It is made up of parts such as lower sieve screen box, lower sieve braiding sieve, lower sieve swing arms, the overall mounting arrangements in the form of corresponding undertaking are on ladder punched holes type below sorting screen, the seed that sieve is collected to the seed being provided with to main frame in conveying device directly below shakes pushing plate, front end is connected with left and right driving rocking arm respectively by left and right lower sieve drive shaft, and rear end is respectively articulated with the lower sieve suspension bracket being then provided with the left and right side wall rear portion of main frame by left and right lower sieve swing arm.
Described lower sieve screen box, formed by sieving the parts such as sieve drive shaft under swing arm lower axle, left and right under left and right screen box wallboard, sieve bracket, left and right；Left and right screen box wallboard is designed to strip plate shape by cleaning mass flow volume, selects to be made using carbon junction steel steel plate；The left and right longeron of sieve bracket selects to be made using carbon junction steel angle steel, forward and backward crossbeam selects to be made using carbon junction steel band steel, left and right longeron is welded using welding method with forward and backward crossbeam and is fixed into plane framework, band steel upper surface is maintained at the same horizontal plane with angle steel upper side, integral installation is fixed between left and right screen box wallboard, and it is overall to form a kind of rigid box-shaped；Left and right lower sieve swing arm lower axle is designed to cylinder, selects to be made using carbon junction steel round steel, is welded is fixed on the outside of the rear end of left and right screen box wallboard respectively；Left and right lower sieve drive shaft is designed to cylinder, selection is made using carbon junction steel round steel, it is welded respectively and is fixed on the front end outer side of left and right screen box wallboard, it is connected with left and right driving rocking arm, woven lower cleaning sieve is driven to carry out back and forth shake operation relative with sorting screen on ladder punched holes type, complete back and forth to be shaken selected operation to cleaning material, while inertia impact caused by operation is cleaned in the reciprocal shake of active balance abatement.Described lower sieve braiding sieve, is made up of sieve framework, strengthening rib strip, braiding mesh sheet；Left and right side frame, front and rear frame and strengthening rib strip in sieve framework, it is designed to, by upper and lower two layers of strip slab structure, select to be made using carbon junction steel band steel；Braiding mesh sheet selection is made using detailed catalogue braided steel wire mesh sheet, braiding mesh sheet is placed between the sieve framework and strengthening rib strip being made up of double-layer structure form, it is overall using the fixed shape rigidity in blocks of clinching method riveting dress, it is fixed in the plane of sieve bracket formation.Lower sieve braiding sieve selection is designed to this structure type, in reciprocal jitter motion and air-flow blow floating the selected operation process of cooperation, clean seed can be made to be considered to be worth doing from leaf, fully efficiently separated in the mixtures such as paddy handle scattered, and pass through detailed catalogue braiding sieve aperture and drop on seed shake pushing plate, the seed collection conveying device being provided with again by main frame, which is transported in silo, keeps in, the leaf bits that separation is scattered can be made, paddy handle etc. it is light it is small tail over mixture air-flow caused by cross flow fan and blow floating hike up, and with air-flow discharge machine outside, resolve that to clean handling capacity low, seed percentage of impurity is high, entrainment loss is big to wait technical barrier.Described lower sieve swing arm, it is designed with left and right 2, select to be made using carbon junction steel steel plate, upper end, which is welded, is fixed with axle in lower sieve swing arm, it is respectively articulated with the lower sieve suspension bracket being provided with installed in the left and right side wall posterior medial of main frame in hinged connection hole, lower end is formed with hinged connection hole, is respectively articulated with the lower sieve swing arm lower axle being provided with the outside of left and right lower sieve screen box wallboard rear end.
The woven tail sheet of research and design, it is that a kind of discharge in the form of back and forth shaking tails over the recovery of crushing straw blade mixture and containing seed small ear paddy code cleans operation part, there is the operation functions such as shake push discharge, the recovery of coarse meshed sieve hole；It is made up of parts such as tail sheet screen box, tail sheet braiding sieves, integral installation is arranged in the rear of sorting screen on ladder punched holes type, directly below to the miscellaneous remaining miscellaneous remaining shake pushing plate collected in device back off being provided with to main frame, front end is connected sieve by rubber sheet gasket with the rear frame of ladder punching sieve.
Described tail sheet screen box, it is made up of parts such as left and right screen box wallboard, sieve brackets；Left and right screen box wallboard is designed to strip plate shape by cleaning mass flow volume, selects to be made using carbon junction steel steel plate；The left and right longeron of sieve bracket selects to be made using carbon junction steel angle steel, forward and backward crossbeam selects to be made using carbon junction steel band steel, left and right longeron is welded using welding method with forward and backward crossbeam and is fixed into plane framework, band steel upper surface is maintained at the same horizontal plane with angle steel upper side, integral installation is fixed between left and right screen box wallboard, and it is overall to form a kind of rigid box-shaped；Front beam is connected to be formed by rubber sheet gasket with the rear frame in ladder punching sieve is coupled entirety, and reciprocal shake is synchronously carried out with it and is run.Described tail sheet braiding sieve, is made up of sieve framework, strengthening rib strip, braiding mesh sheet；Left and right side frame, front and rear frame and strengthening rib strip in sieve framework, it is designed to, by upper and lower two layers of strip slab structure, select to be made using carbon junction steel band steel；Braiding mesh sheet selection is made using thick mesh braided steel wire mesh sheet, braiding mesh sheet is placed between the sieve framework and strengthening rib strip being made up of double-layer structure form, it is overall using the fixed shape rigidity in blocks of clinching method riveting dress, it is fixed in the plane of sieve bracket formation.Tail sheet braiding sieve selection is designed to this structure type, in reciprocal jitter motion, it can make containing the small ear for not purifying seed, paddy code is separated from mixture more than sorting screen, and pass through thick mesh braiding sieve aperture and drop on miscellaneous remaining shake pushing plate, the miscellaneous remaining device back off of collecting being provided with again by main frame is sent back in threshing separation of material feed chamber, prepare to receive secondary threshing separating treatment, can be by mixtures such as the crushing straw blades more than sorting screen by shaking outside push form whole discharge machine, resolve that to clean handling capacity low, entrainment loss is big to wait technical barrier.
The cross flow fan of research and design configuration, be a kind of separation discharge in the form of air-flow blows floating it is in small, broken bits tail over mixture clean part, overall is in elongated cylindrical, it is made up of main parts sizes such as impeller, spiral case, snail tongues, the left and right assembling being provided with by the left and right side wall of main frame fixes suspension bracket, mounting arrangements are cleaned dynamic transfer system with the pneumatic jig of main frame by driving belt and are connected in the front of woven lower cleaning sieve, receive to transmit air-supply power.Cross flow fan has that dynamic pressure is high, outlet air flow velocity is big, air-flow reaches the outstanding features such as distance is remote, particularly remains to keep air velocity when air feed width is larger, the features such as air pressure is uniform and stable, is more suitable for configuring on grain combine harvester and uses.
The crank swing arm driving mechanism of research and design, it is that the power transmission component that part carries out reciprocal shake operation is cleaned in a kind of driving in the form of crank swing arm, it is made up of main parts sizes such as drive shaft, eccentric chain-wheel, driving asessory shaft, driving rocking arm, drive links, dynamic transfer system is cleaned with the pneumatic jig of main frame by eccentric chain-wheel to be connected, have crank-rocker traction swing arm linkage, bilateral support synchronously driving operation, relative carry out reciprocal shake and the operation function such as clean.
Described drive shaft, select to be made using carbon junction steel round steel by the geomery of design, be fixed in the form of extending transversely through main machine body in the left and right side wall of main frame below staged shuttle board.Described eccentric chain-wheel, it is designed with left and right 2, select to be made using steel alloy steel plate by the geomery of design, it is welded on the eccentric distance position of every outside design and is fixed with eccentric shaft, integral installation is fixed on the spindle nose that drive shaft is exposed outside the left and right side wall of main frame, mounting arrangements are cleaned dynamic transfer system with the pneumatic jig of main frame by driving chain and are connected, receive transmission and clean driving force in the eccentric chain-wheel on right side.Described driving asessory shaft, select to be made using carbon junction steel round steel by the geomery of design, be fixed in the form of extending transversely through main machine body in the left and right side wall of main frame on ladder punched holes type between sorting screen and woven lower cleaning sieve.Described driving rocking arm, left and right 2 are designed with, select to be made using carbon junction steel steel plate by the geomery of design, integral installation is fixed on driving asessory shaft and exposed on the spindle nose outside the left and right side wall of main frame；Pass through the lower sieve drive shaft hinged connection hole being formed with, it is respectively articulated with the left and right lower sieve drive shaft being provided with installed in lower sieve screen box, pass through the upper sieve drive shaft hinged connection hole being formed with, it is respectively articulated with the left and right upper sieve drive shaft being provided with installed in upper sieve screen box, by the connection drive shaft hinged connection hole being formed with, it is respectively articulated with the connection drive shaft being provided with installed in left and right driving connecting rod.Described drive link, it is designed with left and right 2, select to be made using carbon junction steel steel plate by the geomery of design, front end is formed with eccentric shaft hinged connection hole, it is respectively articulated with the eccentric shaft being provided with installed in left and right eccentric chain-wheel, rear end, which is welded, is fixed with connection drive shaft, is respectively articulated with the connection drive shaft hinged connection hole that left and right Qu Dong Oscillating arms are provided with.
When carrying out seed cleaning operation, pneumatic jig of the mounting arrangements on the right side of main frame cleans dynamic transfer system, drives right eccentric chain-wheel to rotate by driving chain, under the drive of drive shaft support rotating, the left eccentric chain-wheel for being fixed on left end realizes synchronous axial system；Be welded the eccentric shaft being fixed on left and right eccentric chain-wheel, driving left and right rocking arm by left and right driving connecting rod, asessory shaft realization is synchronously forward and backward to swing operation around driving, a kind of synchronously driven operation form of bilateral support is formed, can effectively avoid reciprocal jitter motion from producing twisting resistance and cause torsional pulse to damage to cleaning operation and cleaning part.It is left, right driving rocking arm, which is respectively articulated with, is provided with sieve drive shaft and lower sieve drive shaft, pass through the upper sieve swing arm drawn or be coupled linkage form Yu be provided with, lower sieve swing arm, shuttle board swing arm forms cooperation linkage, drive sorting screen on ladder punched holes type, woven lower cleaning sieve, staged shuttle board, woven tail sheet etc. cleans operation part and realizes synchronous reciprocating shake operation, form a kind of linkage form by crank-rocker towage part swing arm, reciprocating stroke can be effectively ensured, shake is shaken frequently, shake amplitude etc. cleans the operation technique performance parameter coordinating and unifying, operation quality and production operation efficiency are cleaned in raising.Upper sieve drive shaft hinged connection hole and lower sieve drive shaft hinged connection hole, separately design the swinging support driving asessory shaft upper and lower for being arranged in driving rocking arm, when driving rocking arm to carry out forward and backward swing around driving asessory shaft, the upper sieve drive shaft and lower sieve drive shaft being respectively articulated with driving rocking arm, sorting screen and woven lower cleaning sieve on ladder punched holes type can be driven to realize relatively reciprocal shake operation respectively；A kind of relative reciprocal shake operation form carried out is formed, inertia impact caused by operation is cleaned in the reciprocal shake of energy active balance abatement, and operation steady and smooth is cleaned in guarantee.
The effect that this patent has the advantage that and reached.
Self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant of this patent research and design,According to the biological structure morphological character of millet crop,Targetedly take in the form of the longitudinally corresponding overall structure mounting arrangements accepted pneumatic jig and coordinated,Research and design goes out staged shuttle board,Sorting screen on ladder punched holes type,Woven lower cleaning sieve,Option and installment cross flow fan,The various structures such as crank swing arm driving mechanism innovate operation function part,It is provided with the pneumatic jig cleaning plant and continuously uninterruptedly shakes the loose conveying cloth that is uniformly dispersed,The driving operation of bilateral support balanced synchronization,Coarse-fine two-stage large area relatively back and forth clean by shake,Crushing straw blade air blows floating discharge,The distinct seed cleaning technical characteristics such as the miscellaneous remaining collection recovery of the code of paddy containing small ear,Preferably solve that to clean handling capacity existing for domestic existing special millet harvester low,It is small effectively to clean area,Crushing straw blade kinks with seed,Compass screen surface alluvial obstruction,It is uneven to clean material feeding,Seed percentage of impurity is high,Entrainment loss is big to wait technical barrier.
Brief description of the drawings
Accompanying drawing 1：Pneumatic jig cleaning plant structure arrangement schematic diagram
Reference title：I-staged shuttle board；II-cross flow fan；III-crank swing arm driving mechanism；Sorting screen on IV-ladder punched holes type；V-woven lower cleaning sieve；VI-woven tail sheet.1-tail sheet weaves sieve；2-tail sheet screen box；3-above sieve swing arm；4-upper screen box；5-sieve swing arm down；6-lower sieve weaves sieve；7-screen box is sieved down；8-ladder punching sieve；9-driving rocking arm；10-driving asessory shaft；11-rubber connection fixing base；12-drive link；13-drive shaft；14-eccentric chain-wheel；15-ladder plate；16-shuttle board plate case；The swing arm of 17-shuttle board.
Embodiment
As shown in Figure 1, self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant of this patent research and design, including staged shuttle board（Ⅰ）, sorting screen on ladder punched holes type（Ⅳ）, woven lower cleaning sieve（Ⅴ）, woven tail sheet（Ⅵ）, cross flow fan（Ⅱ）, crank swing arm driving mechanism（Ⅲ）Deng key operation functional part, for the overall mounting arrangements in the form of longitudinally corresponding undertaking of pneumatic jig cleaning plant in the fuselage inner chamber below the double axial flow threshing separation facilities in the longitudinal direction that main frame is provided with, front end passes through left and right shuttle board swing arm（17）It is respectively hinged on the shuttle board support base that the left and right side wall front inner of main frame is provided with, rear end passes through left and right upper sieve swing arm（3）It is respectively hinged on the upper sieve suspension bracket that the left and right side wall posterior medial of main frame is provided with.
As shown in Figure 1, described staged shuttle board（Ⅰ）, by shuttle board plate case（16）, ladder plate（15）, rubber connection fixing base（11）, shuttle board swing arm（17）Formed Deng parts, integral installation is arranged in below the double axial flow threshing separation facilities in longitudinal direction, and front end passes through left and right shuttle board swing arm（17）It is respectively hinged on the shuttle board support base that the left and right side wall front inner of main frame is provided with, rear end passes through rubber connection fixing base（11）With ladder punching sieve（8）In front bezel be connected.
Described shuttle board plate case（16）, it is made up of axle in left and right plate wall panel, left and right shuttle board swing arm；Left and right plate wall panel is designed to strip plate shape by cleaning mass flow volume, selection is made using carbon junction steel steel plate, axle is designed to cylinder in left and right shuttle board swing arm, selects to be made using carbon junction steel round steel, is welded is fixed on the front end outer side of left and right plate wall panel respectively.Described ladder plate（15）, it is made up of parts such as plate framework, stepped plate, separation reinforcing plates, integral installation is fixed between left and right plate wall panel, and it is overall to form a kind of rigid box-shaped；The left and right frame of plate framework selects to be made using carbon junction steel angle steel, forward and backward frame selects to be made using carbon junction steel band steel, left and right frame is welded with forward and backward frame using welding method is fixed into plane frame structure rigidity entirety, and band steel upper surface is maintained at the same horizontal plane with angle steel upper side；Stepped plate presses the geomeries such as the ladder height of design, terrace angle of inclination and uses galvanized sheet compressing, is fixed on using clinching method riveting dress in the plane of plate framework formation；Separation reinforcing plate is designed with 3, uses zinc-plated plate stamping and forming by the plate height of design, ladder plate shape, and point of use dress welding method is welded by the horizontal longitudinal direction of distance at equal intervals and is fixed in the plate face of stepped plate.Described rubber connection fixing base（11）, be designed with 4, select to be made using vulcanie fibrous material, upper surface is respectively mounted below the rear frame that is fixed in plate framework, lower surface with ladder punching sieve（8）In front bezel be connected.Described shuttle board swing arm（17）It is designed with left and right 2, select to be made using carbon junction steel steel plate, upper end is formed with hinged connection hole and is respectively articulated with the shuttle board swing arm being provided with the outside of left and right plate wall panel on axle, lower end, which is welded, is fixed with shuttle board swing arm lower axle, is respectively articulated with the shuttle board support base being provided with installed in the left and right side wall front inner of main frame in hinged connection hole.
As shown in Figure 1, sorting screen on described ladder punched holes type（Ⅳ）, by upper sieve screen box（4）, ladder punching sieve（8）, upper sieve swing arm（3）Formed Deng parts, front end passes through rubber connection fixing base（11）With ladder plate（15）In rear frame be connected, dynamic Oscillating arms are driven with left and right by left and right upper sieve drive shaft respectively（9）It is connected, rear end passes through rubber sheet gasket and tail sheet screen box（2）In front beam be connected, pass through left and right upper sieve swing arm（3）It is respectively articulated with the upper sieve suspension bracket being provided with installed in the left and right side wall posterior medial of main frame.
Described upper sieve screen box（4）, formed by sieving swing arm lower axle on left and right screen box wallboard, left and right, sieving the parts such as drive shaft on left and right；Left and right screen box wallboard is designed to strip plate shape by cleaning mass flow volume, selects to be made using carbon junction steel steel plate；Left and right upper sieve swing arm lower axle is designed to cylinder, selects to be made using carbon junction steel round steel, is welded is fixed on the outside of the rear end of left and right screen box wallboard respectively；Left and right upper sieve drive shaft is designed to cylinder, selects to be made using carbon junction steel round steel, is welded is fixed on the front end outer side of left and right screen box wallboard respectively, with left and right driving rocking arm（9）It is connected.Described ladder punching sieve（8）, it is made up of sieve framework, ladder punched-plate, separation reinforcing plate, integral installation is fixed between left and right screen box wallboard, and it is overall to form a kind of rigid box-shaped；The left and right frame of sieve framework selects to be made using carbon junction steel angle steel, forward and backward frame selects to be made using carbon junction steel band steel, left and right frame is welded with forward and backward frame using welding method is fixed into plane frame structure rigidity entirety, band steel upper surface is maintained at the same horizontal plane with angle steel upper side, and front bezel passes through rubber connection fixing base（11）With ladder plate（15）Rear frame be connected, rear frame passes through rubber sheet gasket and tail sheet screen box（2）Front beam be connected；Ladder punched-plate, zinc-plated plate stamping and forming is used by shape sizes such as the ladder height of design, terrace angle of inclination, punching geomery, punching positions, be fixed on using clinching method riveting dress in the plane of sieve framework formation；Separate reinforcing plate and be designed with 3, be made by the plate height of design, ladder punching plate shape using galvanized sheet, using point-like welding method by laterally longitudinal be welded of distance is fixed in the plate face of ladder punched-plate at equal intervals.Described upper sieve swing arm（3）It is designed with left and right 2, select to be made using carbon junction steel steel plate, upper end, which is welded, is fixed with axle in sieve swing arm, it is respectively articulated with the upper sieve suspension bracket being provided with installed in the left and right side wall posterior medial of main frame in hinged connection hole, lower end is formed with hinged connection hole, is respectively articulated with the upper sieve swing arm lower axle being provided with the outside of left and right upper sieve screen box wallboard rear end.
As shown in Figure 1, described woven lower cleaning sieve（Ⅴ）, by lower sieve screen box（7）, it is lower sieve braiding sieve（6）, lower sieve swing arm（5）Formed Deng parts, overall mounting arrangements sorting screen on ladder punched holes type in the form of corresponding undertaking（Ⅳ）Lower section, the seed that sieve is collected to the seed that is provided with to main frame in conveying device directly below shake pushing plate, front end by left and right lower sieve drive shaft respectively with left and right driving rocking arm（9）It is connected, rear end passes through left and right lower sieve swing arm（5）It is respectively articulated with the lower sieve suspension bracket being then provided with the left and right side wall rear portion of main frame.
Described lower sieve screen box（7）, formed by sieving the parts such as sieve drive shaft under swing arm lower axle, left and right under left and right screen box wallboard, sieve bracket, left and right；Left and right screen box wallboard is designed to strip plate shape by cleaning mass flow volume, selects to be made using carbon junction steel steel plate；The left and right longeron of sieve bracket selects to be made using carbon junction steel angle steel, forward and backward crossbeam selects to be made using carbon junction steel band steel, left and right longeron is welded using welding method with forward and backward crossbeam and is fixed into plane framework, band steel upper surface is maintained at the same horizontal plane with angle steel upper side, integral installation is fixed between left and right screen box wallboard, and it is overall to form a kind of rigid box-shaped；Left and right lower sieve swing arm lower axle is designed to cylinder, selects to be made using carbon junction steel round steel, is welded is fixed on the outside of the rear end of left and right screen box wallboard respectively；Left and right lower sieve drive shaft is designed to cylinder, selects to be made using carbon junction steel round steel, is welded is fixed on the front end outer side of left and right screen box wallboard respectively, with left and right driving rocking arm（9）It is connected.Described lower sieve braiding sieve（6）, it is made up of sieve framework, strengthening rib strip, braiding mesh sheet；Left and right side frame, front and rear frame and strengthening rib strip in sieve framework, it is designed to, by upper and lower two layers of strip slab structure, select to be made using carbon junction steel band steel；Braiding mesh sheet selection is made using detailed catalogue braided steel wire mesh sheet, braiding mesh sheet is placed between the sieve framework and strengthening rib strip being made up of double-layer structure form, it is overall using the fixed shape rigidity in blocks of clinching method riveting dress, it is fixed in the plane of sieve bracket formation.Described lower sieve swing arm（5）It is designed with left and right 2, select to be made using carbon junction steel steel plate, upper end, which is welded, is fixed with axle in lower sieve swing arm, it is respectively articulated with the lower sieve suspension bracket being provided with installed in the left and right side wall posterior medial of main frame in hinged connection hole, lower end is formed with hinged connection hole, is respectively articulated with the lower sieve swing arm lower axle being provided with the outside of left and right lower sieve screen box wallboard rear end.
As shown in Figure 1, described woven tail sheet（Ⅵ）, by tail sheet screen box（2）, tail sheet braiding sieve（1）Formed Deng parts, integral installation is arranged in sorting screen on ladder punched holes type（Ⅳ）Rear, for sieve directly below to the miscellaneous remaining miscellaneous remaining shake pushing plate collected in device back off being provided with to main frame, front end passes through rubber sheet gasket and ladder punching sieve（8）Rear frame be connected.
Described tail sheet screen box（2）, it is made up of parts such as left and right screen box wallboard, sieve brackets；Left and right screen box wallboard is designed to strip plate shape by cleaning mass flow volume, selects to be made using carbon junction steel steel plate；The left and right longeron of sieve bracket selects to be made using carbon junction steel angle steel, forward and backward crossbeam selects to be made using carbon junction steel band steel, left and right longeron is welded using welding method with forward and backward crossbeam and is fixed into plane framework, band steel upper surface is maintained at the same horizontal plane with angle steel upper side, integral installation is fixed between left and right screen box wallboard, and it is overall to form a kind of rigid box-shaped；Front beam passes through rubber sheet gasket and ladder punching sieve（8）In rear frame be connected that to form connection overall.Described tail sheet braiding sieve（1）, it is made up of sieve framework, strengthening rib strip, braiding mesh sheet；Left and right side frame, front and rear frame and strengthening rib strip in sieve framework, it is designed to, by upper and lower two layers of strip slab structure, select to be made using carbon junction steel band steel；Braiding mesh sheet selection is made using thick mesh braided steel wire mesh sheet, braiding mesh sheet is placed between the sieve framework and strengthening rib strip being made up of double-layer structure form, it is overall using the fixed shape rigidity in blocks of clinching method riveting dress, it is fixed in the plane of sieve bracket formation.
As shown in Figure 1, described cross flow fan（Ⅱ）, overall is in elongated cylindrical, is made up of main parts sizes such as impeller, spiral case, snail tongues, and the left and right assembling being provided with by the left and right side wall of main frame fixes suspension bracket, and mounting arrangements are in woven lower cleaning sieve（Ⅴ）Front, dynamic transfer system is cleaned with the pneumatic jig of main frame by driving belt and is connected.
As shown in Figure 1, described crank swing arm driving mechanism（Ⅲ）, by drive shaft（13）, eccentric chain-wheel（14）, driving asessory shaft（10）, driving rocking arm（9）, drive link（12）Formed etc. main parts size, pass through eccentric chain-wheel（14）Dynamic transfer system is cleaned with the pneumatic jig of main frame to be connected.
Described drive shaft（13）, select to be made using carbon junction steel round steel by the geomery of design, staged shuttle board be fixed in the form of extending transversely through main machine body（Ⅰ）In the left and right side wall of main frame of lower section.Described eccentric chain-wheel（14）, left and right 2 are designed with, selects to be made using steel alloy steel plate by the geomery of design, is welded on the eccentric distance position of every outside design and is fixed with eccentric shaft, integral installation is fixed on drive shaft（13）Expose on the spindle nose outside the left and right side wall of main frame, eccentric chain-wheel of the mounting arrangements on right side（14）, dynamic transfer system is cleaned with the pneumatic jig of main frame by driving chain and is connected.Described driving asessory shaft（10）, select to be made using carbon junction steel round steel by the geomery of design, sorting screen on ladder punched holes type be fixed in the form of extending transversely through main machine body（Ⅳ）With woven lower cleaning sieve（Ⅴ）Between the left and right side wall of main frame on.Described driving rocking arm（9）, left and right 2 are designed with, selects to be made using carbon junction steel steel plate by the geomery of design, integral installation is fixed on driving asessory shaft（10）Expose on the spindle nose outside the left and right side wall of main frame；By the lower sieve drive shaft hinged connection hole being formed with, it is respectively articulated with installed in lower sieve screen box（7）In the left and right lower sieve drive shaft being provided with, by the upper sieve drive shaft hinged connection hole being formed with, it is respectively articulated with installed in upper sieve screen box（4）In the left and right upper sieve drive shaft being provided with, by the connection drive shaft hinged connection hole being formed with, it is respectively articulated with installed in left and right driving connecting rod（12）In the connection drive shaft being provided with.Described drive link（12）, left and right 2 are designed with, selects to be made using carbon junction steel steel plate by the geomery of design, front end is formed with eccentric shaft hinged connection hole, is respectively articulated with installed in left and right eccentric chain-wheel（14）On the eccentric shaft being provided with, rear end, which is welded, is fixed with connection drive shaft, is respectively articulated with installed in left and right Qu Dong Oscillating arms（9）In the connection drive shaft hinged connection hole being provided with.
Claims (6)
- A kind of 1. self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant, it is characterised in that：The pneumatic jig cleaning plant, including staged shuttle board（Ⅰ）, sorting screen on ladder punched holes type（Ⅳ）, woven lower cleaning sieve（Ⅴ）, woven tail sheet（Ⅵ）, cross flow fan（Ⅱ）, crank swing arm driving mechanism（Ⅲ）, the overall mounting arrangements in the form of longitudinally corresponding undertaking of pneumatic jig cleaning plant are in the fuselage inner chamber below the double axial flow threshing separation facilities in the longitudinal direction that main frame is provided with；Described staged shuttle board（Ⅰ）, by shuttle board plate case（16）, ladder plate（15）, rubber connection fixing base（11）, shuttle board swing arm（17）Composition, front end passes through left and right shuttle board swing arm（17）It is respectively hinged on the shuttle board support base that the left and right side wall front inner of main frame is provided with, rear end passes through rubber connection fixing base（11）With ladder punching sieve（8）In front bezel be connected；Sorting screen on described ladder punched holes type（Ⅳ）, by upper sieve screen box（4）, ladder punching sieve（8）, upper sieve swing arm（3）Composition, front end passes through rubber connection fixing base（11）With ladder plate（15）In rear frame be connected, dynamic Oscillating arms are driven with left and right by left and right upper sieve drive shaft respectively（9）It is connected, rear end passes through rubber sheet gasket and tail sheet screen box（2）In front beam be connected, pass through left and right upper sieve swing arm（3）It is respectively articulated with the upper sieve suspension bracket being provided with installed in the left and right side wall posterior medial of main frame；Described woven lower cleaning sieve（Ⅴ）, by lower sieve screen box（7）, it is lower sieve braiding sieve（6）, lower sieve swing arm（5）Composition, mounting arrangements sorting screen on ladder punched holes type in the form of corresponding undertaking（Ⅳ）Lower section, front end by it is left and right it is lower sieve drive shaft respectively with left and right driving rocking arm（9）It is connected, rear end passes through left and right lower sieve swing arm（5）It is respectively articulated with the lower sieve suspension bracket being then provided with the left and right side wall rear portion of main frame；Described woven tail sheet（Ⅵ）, by tail sheet screen box（2）, tail sheet braiding sieve（1）Composition, mounting arrangements sorting screen on ladder punched holes type（Ⅳ）Rear, front end passes through rubber sheet gasket and ladder punching sieve（8）Rear frame be connected；Described cross flow fan（Ⅱ）, overall is in elongated cylindrical, is made up of impeller, spiral case, snail tongue, and the left and right assembling being provided with by the left and right side wall of main frame fixes suspension bracket, and mounting arrangements are in woven lower cleaning sieve（Ⅴ）Front, dynamic transfer system is cleaned with the pneumatic jig of main frame by driving belt and is connected；Described crank swing arm driving mechanism（Ⅲ）, by drive shaft（13）, eccentric chain-wheel（14）, driving asessory shaft（10）, driving rocking arm（9）, drive link（12）Composition, passes through eccentric chain-wheel（14）Dynamic transfer system is cleaned with the pneumatic jig of main frame to be connected.
- 2. the self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant of one kind according to claim 1, it is characterised in that：Described shuttle board plate case（16）It is made up of axle in left and right plate wall panel, left and right shuttle board swing arm, left and right plate wall panel is designed to strip plate shape by cleaning mass flow volume, selection is made using carbon junction steel steel plate, axle is designed to cylinder in left and right shuttle board swing arm, selection is made using carbon junction steel round steel, is welded is fixed on the front end outer side of left and right plate wall panel respectively；Described ladder plate（15）, by plate framework, stepped plate, separate reinforcing plate composition, it is fixed on a left side, it is overall that a kind of rigid box-shaped is formed between right panel wall panel, a left side for plate framework, left frame selects to be made using carbon junction steel angle steel, before, frame selects to be made using carbon junction steel band steel afterwards, it is left, left frame is with before, frame is welded using welding method and is fixed into plane framework afterwards, band steel upper surface is maintained at the same horizontal plane with angle steel upper side, stepped plate is by the ladder height designed, the geomeries such as terrace angle of inclination are compressing using galvanized sheet, it is fixed on using clinching method riveting dress in the plane of plate framework formation, separate reinforcing plate and be designed with 3, it is high by the plate of design, ladder plate shape uses zinc-plated plate stamping and forming, point of use fills welding method by laterally longitudinal be welded of distance is fixed in the plate face of stepped plate at equal intervals；Described rubber connection fixing base（11）, be designed with 4, select to be made using vulcanie fibrous material, upper surface is respectively mounted below the rear frame that is fixed in plate framework, lower surface with ladder punching sieve（8）In front bezel be connected；Described shuttle board swing arm（17）It is designed with left and right 2, select to be made using carbon junction steel steel plate, upper end is formed with hinged connection hole, it is respectively articulated with the shuttle board swing arm being provided with the outside of left and right plate wall panel on axle, lower end, which is welded, is fixed with shuttle board swing arm lower axle, is respectively articulated with the shuttle board support base being provided with installed in the left and right side wall front inner of main frame in hinged connection hole.
- 3. the self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant of one kind according to claim 1, it is characterised in that：Described upper sieve screen box（4）By sieving swing arm lower axle on left and right screen box wallboard, left and right, sieve drive shaft forms on left and right, left and right screen box wallboard is designed to strip plate shape by cleaning mass flow volume, selection is made using carbon junction steel steel plate, left and right upper sieve swing arm lower axle is designed to cylinder, selection is made using carbon junction steel round steel, it is welded and is fixed on the outside of the rear end of left and right screen box wallboard respectively, left and right upper sieve drive shaft is designed to cylinder, selection is made using carbon junction steel round steel, it is welded respectively and is fixed on the front end outer side of left and right screen box wallboard, with left and right driving rocking arm（9）It is connected；Described ladder punching sieve（8）It is made up of sieve framework, ladder punched-plate, separation reinforcing plate, it is fixed between left and right screen box wallboard that to form a kind of rigid box-shaped overall, the left and right frame of sieve framework selects to be made using carbon junction steel angle steel, forward and backward frame selects to be made using carbon junction steel band steel, left and right frame is welded using welding method with forward and backward frame and is fixed into plane framework, and band steel upper surface is maintained at the same horizontal plane with angle steel upper side, and front bezel passes through rubber connection fixing base（11）With ladder plate（15）Rear frame be connected, rear frame passes through rubber sheet gasket and tail sheet screen box（2）Front beam be connected, ladder punched-plate uses zinc-plated plate stamping and forming by shape sizes such as the ladder height of design, terrace angle of inclination, punching geomery, punching positions, it is fixed on using clinching method riveting dress in the plane of sieve framework formation, separate reinforcing plate and be designed with 3, it is made by the plate height of design, ladder punching plate shape using galvanized sheet, using point-like welding method by laterally longitudinal be welded of distance is fixed in the plate face of ladder punched-plate at equal intervals；Described upper sieve swing arm（3）It is designed with left and right 2, select to be made using carbon junction steel steel plate, upper end, which is welded, is fixed with axle in sieve swing arm, it is respectively articulated with the upper sieve suspension bracket being provided with installed in the left and right side wall posterior medial of main frame in hinged connection hole, lower end is formed with hinged connection hole, is respectively articulated with the upper sieve swing arm lower axle being provided with the outside of left and right upper sieve screen box wallboard rear end.
- 4. the self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant of one kind according to claim 1, it is characterised in that：Described lower sieve screen box（7）,By left and right screen box wallboard,Sieve bracket,Swing arm lower axle is sieved under left and right,Drive shaft composition is sieved under left and right,It is left,Right screen box wallboard is designed to strip plate shape by cleaning mass flow volume,Selection is made using carbon junction steel steel plate,A left side for sieve bracket,Right vertical beam selects to be made using carbon junction steel angle steel,Before,Rear cross beam selects to be made using carbon junction steel band steel,It is left,Right vertical beam is with before,Rear cross beam is welded using welding method and is fixed into plane framework,Band steel upper surface is maintained at the same horizontal plane with angle steel upper side,It is fixed on a left side,It is overall that a kind of rigid box-shaped is formed between right screen box wallboard,It is left,Bottom right sieve swing arm lower axle is designed to cylinder,Selection is made using carbon junction steel round steel,It is welded respectively and is fixed on a left side,On the outside of the rear end of right screen box wallboard,It is left,Bottom right sieve drive shaft is designed to cylinder,Selection is made using carbon junction steel round steel,It is welded respectively and is fixed on a left side,The front end outer side of right screen box wallboard,With a left side,Right driving rocking arm（9）It is connected；Described lower sieve braiding sieve（6）It is made up of sieve framework, strengthening rib strip, braiding mesh sheet, left and right side frame, front and rear frame and strengthening rib strip in sieve framework, it is designed to by upper and lower two layers of strip slab structure, selection is made using carbon junction steel band steel, and braiding mesh sheet selection is made using detailed catalogue braided steel wire mesh sheet, and braiding mesh sheet is placed between the sieve framework and strengthening rib strip being made up of double-layer structure form, it is overall using the fixed shape rigidity in blocks of clinching method riveting dress, it is fixed in the plane of sieve bracket formation；Described lower sieve swing arm（5）It is designed with left and right 2, select to be made using carbon junction steel steel plate, upper end, which is welded, is fixed with axle in lower sieve swing arm, it is respectively articulated with the lower sieve suspension bracket being provided with installed in the left and right side wall posterior medial of main frame in hinged connection hole, lower end is formed with hinged connection hole, is respectively articulated with the lower sieve swing arm lower axle being provided with the outside of left and right lower sieve screen box wallboard rear end.
- 5. the self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant of one kind according to claim 1, it is characterised in that：Described tail sheet screen box（2）, by left and right screen box wallboard, sieve bracket forms, it is left, right screen box wallboard is designed to strip plate shape by cleaning mass flow volume, selection is made using carbon junction steel steel plate, a left side for sieve bracket, right vertical beam selects to be made using carbon junction steel angle steel, before, rear cross beam selects to be made using carbon junction steel band steel, it is left, right vertical beam is with before, rear cross beam is welded using welding method and is fixed into plane framework, band steel upper surface is maintained at the same horizontal plane with angle steel upper side, it is fixed on a left side, it is overall that a kind of rigid box-shaped is formed between right screen box wallboard, front beam passes through rubber sheet gasket and ladder punching sieve（8）In rear frame be connected that to form connection overall；Described tail sheet braiding sieve（1）It is made up of sieve framework, strengthening rib strip, braiding mesh sheet, left and right side frame, front and rear frame and strengthening rib strip in sieve framework, it is designed to by upper and lower two layers of strip slab structure, selection is made using carbon junction steel band steel, and braiding mesh sheet selection is made using thick mesh braided steel wire mesh sheet, and braiding mesh sheet is placed between the sieve framework and strengthening rib strip being made up of double-layer structure form, it is overall using the fixed shape rigidity in blocks of clinching method riveting dress, it is fixed in the plane of sieve bracket formation.
- 6. the self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant of one kind according to claim 1, it is characterised in that：Described drive shaft（13）, select to be made using carbon junction steel round steel by the geomery of design, staged shuttle board be fixed in the form of extending transversely through main machine body（Ⅰ）In the left and right side wall of main frame of lower section；Described eccentric chain-wheel（14）, left and right 2 are designed with, selects to be made using steel alloy steel plate by the geomery of design, is welded on the eccentric distance position of every outside design and is fixed with eccentric shaft, be fixed on drive shaft（13）Expose on the spindle nose outside the left and right side wall of main frame, the eccentric chain-wheel on right side（14）Dynamic transfer system is cleaned by driving chain with the pneumatic jig of main frame to be connected；Described driving asessory shaft（10）, select to be made using carbon junction steel round steel by the geomery of design, sorting screen on ladder punched holes type be fixed in the form of extending transversely through main machine body（Ⅳ）With woven lower cleaning sieve（Ⅴ）Between the left and right side wall of main frame on；Described driving rocking arm（9）, left and right 2 are designed with, selects to be made using carbon junction steel steel plate by the geomery of design, is fixed on driving asessory shaft（10）Expose on the spindle nose outside the left and right side wall of main frame, by the lower sieve drive shaft hinged connection hole being formed with, be respectively articulated with installed in lower sieve screen box（7）In the left and right lower sieve drive shaft being provided with, by the upper sieve drive shaft hinged connection hole being formed with, it is respectively articulated with installed in upper sieve screen box（4）In the left and right upper sieve drive shaft being provided with, by the connection drive shaft hinged connection hole being formed with, it is respectively articulated with installed in left and right driving connecting rod（12）In the connection drive shaft being provided with；Described drive link（12）, left and right 2 are designed with, selects to be made using carbon junction steel steel plate by the geomery of design, front end is formed with eccentric shaft hinged connection hole, is respectively articulated with installed in left and right eccentric chain-wheel（14）On the eccentric shaft being provided with, rear end, which is welded, is fixed with connection drive shaft, is respectively articulated with installed in left and right Qu Dong Oscillating arms（9）In the connection drive shaft hinged connection hole being provided with.
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| CN109769484A (en) * | 2019-03-05 | 2019-05-21 | 农业农村部南京农业机械化研究所 | A kind of grain harvesting machine intelligence cleaning plant |
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| CN108014995A (en) * | 2017-12-11 | 2018-05-11 | 合肥美青工业设计有限公司 | A kind of novel household rice-washing device |
| CN107983635A (en) * | 2017-12-31 | 2018-05-04 | 吉林大学 | The wet glutinous high-efficiency grain vibration cleaning plant of Throwing formulas is turned in reciprocal deflecting |
| CN107983635B (en) * | 2017-12-31 | 2023-10-27 | 吉林大学 | Reciprocating turning and throwing type wet sticky grain efficient vibration cleaning device |
| CN108055912B (en) * | 2018-01-18 | 2023-09-22 | 吉林大学 | Different-direction distributing and evenly spreading type grain-separating shaking throwing device |
| CN108055912A (en) * | 2018-01-18 | 2018-05-22 | 吉林大学 | It is incorgruous to allocate the shake of even stand formula cereal emersion object and throw device |
| CN109013339A (en) * | 2018-09-19 | 2018-12-18 | 河南科技大学 | A kind of efficient cleaner of low damage of particulate crop |
| CN109013339B (en) * | 2018-09-19 | 2024-02-09 | 河南科技大学 | Low-loss high-efficiency cleaning machine for fine-grain crops |
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| CN109769484B (en) * | 2019-03-05 | 2024-02-13 | 农业农村部南京农业机械化研究所 | Intelligent cleaning device of grain harvester |
| CN109716937B (en) * | 2019-03-05 | 2024-04-19 | 农业农村部南京农业机械化研究所 | Self-adaptive cleaning device of grain harvester |
| CN109821737A (en) * | 2019-03-26 | 2019-05-31 | 东北农业大学 | Corn kernel, which is cleaned, combines screening mechanism with impurities removal |
| CN109821737B (en) * | 2019-03-26 | 2021-11-19 | 东北农业大学 | Corn grain cleaning and impurity discharging combined screen mechanism |
| CN112970431A (en) * | 2021-01-29 | 2021-06-18 | 中国农业科学院麻类研究所 | Feeding device for stalks |
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Application publication date: 20171117 |