CN105103812B - Millet combined harvester, and threshing and cleaning device and threshing and cleaning system thereof - Google Patents
Millet combined harvester, and threshing and cleaning device and threshing and cleaning system thereof Download PDFInfo
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- CN105103812B CN105103812B CN201510553782.6A CN201510553782A CN105103812B CN 105103812 B CN105103812 B CN 105103812B CN 201510553782 A CN201510553782 A CN 201510553782A CN 105103812 B CN105103812 B CN 105103812B
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Abstract
The invention discloses a millet combined harvester, and a threshing and cleaning device and a threshing and cleaning system thereof, and belongs to the technical field of crop combined harvest. The threshing and cleaning device of the millet combined harvester comprises a threshing separation part and a millet cleaning part arranged below the threshing separation part. The threshing separation part comprises a threshing box, a front threshing cylinder, a rear threshing cylinder, a front separating screen, a rear separating screen, a transition separating screen, a front threshing top cover, a rear threshing top cover, and a transmission mechanism providing power for the front threshing cylinder and the rear threshing cylinder. The millet cleaning part comprises a cleaning frame, a front blower fan, a reciprocating vibration screen, and a vibration mechanism driving the reciprocating vibration screen to vibrate. The threshing and cleaning system comprises the threshing and cleaning device mentioned above and a controller. The millet combined harvester comprises the threshing and cleaning device mentioned above. According the invention, the cleaning and threshing loss late is low, the grain impurity rate is low, the working efficiency is high, and using demands in different harvesting periods for the millet can be met.
Description
Technical field
The present invention relates to agricultural machinery technological field, more particularly to a kind of joint to harvest the fine grain crops such as millet
Cropper and its threshing cleaning unit and threshing and cleaning system.
Background technology
In recent years, with domestic high-quality hybrid millet popularization and market miscellaneous grain crops consumption demand is significantly increased, millet
Production is able to pay attention to and expands, and the Production Gain and plantation enthusiasm of peasant are greatly improved.But, as millet belongs to little crop,
Relative to Semen Tritici aestivi, Oryza sativa L., Semen Maydiss, quality grain is little, and mass of 1000 kernel only has in the middle of 2.4 ~ 3.5g, and grain ear bar stem, above which
One-level branch is produced, two grades of branches, three-level branches are produced in one-level branch again, each grade of branch is a little code, is had above
Many seeds, up to two or three hundred for having, according to Traditional Rice wheat or rape combined harvester sheller unit threshing when, can make
It is not readily separated into grain ear and straw, paddy code is difficult to purify, the high significant deficiency of grain loss rate.Also have during along with millet maturation
Straw band it is green it is ripe, the characteristics of moisture is big, further increase millet cleans difficulty, so the difficulty of millet mechanized harvest
It is very big, become the maximum bottleneck of millet results always.For this purpose, Zeng Yeyou enterprises adhere to that the joint for exploring millet is received for many years
Obtain, but effect is undesirable, why this namely not yet develops in the market truly obtains peasant's satisfaction
The main cause of millet combined harvester.
The content of the invention
It is an object of the invention to：Even if being admitted to the feelings of apparatus of the present invention process in the green ripe millet of a large amount of straw bands
Under condition, can also have and good clean rate and threshing performance, little loss rate and percentage of impurity.
The technical scheme is that and a kind of threshing cleaning unit of millet combined harvester is provided, including threshing separated part
With grain cleaning portion；The grain cleaning portion is located at the lower section of the threshing separated part, and the threshing separated part includes threshing box
Body, front threshing cylinder, rear threshing roller, front bolter, rear bolter, transition bolter, front threshing head cover, rear threshing head cover,
And the drive mechanism of power is provided for the front threshing cylinder and the rear threshing roller；The front threshing cylinder and it is described after
Threshing cylinder accumbency is in the threshing box body, and separates between the two, the front threshing cylinder and the rear threshing roller it
Between be provided with handing-over mouth E；The front bolter is located at the underface of the front threshing cylinder and is wrapped in outward the front threshing cylinder；Institute
Rear bolter is stated positioned at the underface of the rear threshing roller and the rear threshing roller is partly wrapped near the front threshing cylinder
Leading portion；The front side of the transition bolter is docked with the rear side of the front bolter, the rear side of the transition bolter and institute
State the feeding mouth F docking of rear bolter；The front threshing head cover is arranged on the front threshing cylinder, the rear threshing head cover peace
It is mounted on the rear threshing roller；The grain cleaning portion includes cleaning framework, front blower fan, reciprocating oscillating screen and makes described
The vibrating mechanism of reciprocating oscillating screen vibration；The front blower fan is arranged on the front upper place cleaned in framework；It is described of reciprocating vibration
Sieve as double-deck screen shale shaker, be installed on the back upper place cleaned in framework.
The threshing cleaning unit threshing different using different two nested structures, length difference, parameter is arranged with front and back in parallel
System, front threshing system adopt half axial threshing principle of hemisection stream, rub broken to rub as chief commander's paddy code；Threshing system is using complete afterwards
Axial threshing principle, while paddy code is further rubbed, impacts the remaining paddy code for not yet purifying thoroughly to make seed from paddy
Separate in code；The cleaning and sorting system of the millet combined harvester is the combination of double-deck screen shale shaker and blower fan, has good clear
Select rate and threshing performance, little loss rate and percentage of impurity.
Preferably, the front threshing cylinder includes the front roll axle of left and right direction, is bonded and is connected to front roll axle both sides
Width disk, circumferential many front threshing toothed bars being uniformly connected on width disk and the front rasp bar being fixed on front threshing toothed bar；Before described
Threshing toothed bar includes the front support seat that front ratch, the downward projection of front ratch in front ratch both sides win in succession, project upwards, right side upwards
Prominent multiple threshing tooths；Front rasp bar is fixed on the support base of front threshing toothed bar.
Preferably, the front bolter is the recessed face-up sieve lattice structure surrounded with front steel wire by front grating, it is described
The grid of sieve lattice structure is not more than 40mm10mm, and intrados is not more than 13mm with the minimum distance h1 in front threshing cylinder.
Preferably, the whole cylinder of covering that rotates centered on threshing cylinder axle center before including of the front roll top cover
The front grand cowl top panel that swells upwards, be arranged on two arranged in parallel that grand cowl top panel Right Inboard is extended downwardly with cylinder axis into
The grass guide board bar of angle.
Preferably, the rear threshing roller includes the back roll axle of left and right direction, is bonded and is connected to back roll axle both sides
Width disk, it is circumferential be uniformly connected to many on width disk after threshing toothed bar and the rear rasp bar being fixed on rear threshing toothed bar；It is described
Afterwards threshing toothed bar include rear ratch, rear ratch win in succession, rear support seat, rear threshing tooth and height higher than rear threshing tooth Herba lysimachiae capillipedis
Tooth；Rasp bar is fixed on the support base of rear threshing toothed bar afterwards, and after installation, rasp bar peak is same with the crown of right side threshing tooth high.
Preferably, the rear bolter is the recessed face-up sieve lattice structure surrounded with rear steel wire by rear grating, it is described
The grid that grating is surrounded with rear steel wire afterwards is from corn is from pickup or gathers in direction to 3rd/2nd to four/3rds of threshing direction
To rub section, sizing grid is not more than 50mm to section10mm；Remaining three/mono- to a quarter section is beating segment segregation section,
Sizing grid is more than 50mm12mm and be less than 50mm15mm, week spacing h2 is not more than intrados recently with rear threshing roller
16mm。
Preferably, the back roll top cover includes the whole cylinder of covering rotated centered on the axle center of rear threshing roller
The rear grand cowl top panel for swelling upwards, and be arranged on the inside of grand cowl top panel a plurality of equidistant arranged in parallel and cylinder that extends downwardly
Rear grass guide board bar of the axis into angle.
Preferably, the front rasp bar of front threshing cylinder has the contrary stricture of vagina in direction of rotation with the rear rasp bar of rear threshing roller
Road.
Preferably, the width e of the handing-over mouth E is set to not less than front roll length k 1/2nd；The feeding
The width f of mouth F is equal with the width e of handing-over mouth E.
Preferably, the reciprocating oscillating screen include screen frame, screen frame soldering member, upper wire gauze sieve, lower wire gauze sieve, by original text plate；
The screen frame soldering member is arranged on the top of the screen frame after combining with the upper wire gauze sieve；Lower wire gauze sieve is arranged on the screen frame
Bottom；Described to be arranged on the screen frame Internal back end by original text plate, which is topmost higher by the back side panel of screen frame afterbody.
Preferably, described be additionally provided with the baffle plate for tilting backwards 40 degree of -50 degree by original text plate front upper place.
Preferably, the mesh center specification of the upper wire gauze sieve is 12mm12mm to 14mm14mm。
Preferably, the mesh center specification of the lower wire gauze sieve is not more than 6.3mm6.3mm。
Preferably, two outside rear ends of the screen frame are additionally provided with the side of 30 degree of -50 degree that turn forward that can install moccasin
Wing plate.
Another technical solution of the present invention is to provide a kind of grain threshing cleaning and sorting system, including above-mentioned threshing and cleaning dress
Put and control the controller of the threshing cleaning unit operation.
Another technical solution of the present invention is to provide a kind of millet combined harvester, including above-mentioned threshing and cleaning dress
Put.
The invention has the advantages that：
The present invention increased threshing time and path through rubbing twice and impact, therefore, even if in substantial amounts of straw band
In the case that green ripe millet is admitted to threshing process, can also have good threshing performance and little entrainment loss rate；Institute
That states millet combined harvester cleans portion due to the upper and lower two-layer screening of process and the cooperation of the separator ridlle with baffle plate, purifies completely
Paddy code is blown outside machine with grass cuttings, and the capes code not purified then carries out threshing again by secondary rethreshing device, therefore, even if
The green ripe millet of substantial amounts of straw band is admitted in the case of cleaning process, can also have little cleaning loss percentage and seed
Percentage of impurity.
Description of the drawings
Fig. 1 is the left view of millet combined harvester of the present invention.
Fig. 2 is the sectional view of the threshing cleaning unit of invention millet combined harvester.
Fig. 3 is the top view of the threshing of the threshing cleaning unit of invention millet combined harvester.
Fig. 4 a are the right view of the front roll of the threshing cleaning unit of invention millet combined harvester.
Fig. 4 b are the top view of the front roll of the threshing cleaning unit of invention millet combined harvester.
Fig. 5 is the top view of the front bolter of the threshing cleaning unit of invention millet combined harvester.
Fig. 6 is the lower view of the front threshing head cover of the threshing cleaning unit of invention millet combined harvester
Fig. 7 a are the right view of the back roll of the threshing cleaning unit of invention millet combined harvester.
Fig. 7 b are the top view of the back roll of the threshing cleaning unit of invention millet combined harvester.
Fig. 8 is the axonometric drawing of the rear bolter of the threshing cleaning unit of invention millet combined harvester.
Fig. 9 is the top view of the rear bolter of the threshing cleaning unit of invention millet combined harvester.
Figure 10 is the left view of the rear bolter of the threshing cleaning unit of invention millet combined harvester.
Figure 11 is the top view of the separated part of the threshing cleaning unit of invention millet combined harvester.
Figure 12 is the lower view of the rear threshing head cover of the threshing cleaning unit of invention millet combined harvester.
Figure 13 is the blower fan axonometric drawing of the threshing cleaning unit of invention millet combined harvester.
Figure 14 is the blower fan pulley structure figure of the threshing cleaning unit of invention millet combined harvester.
Figure 15 is axonometric drawing in the vibrosieve of the threshing cleaning unit of invention millet combined harvester.
Figure 16 be the threshing cleaning unit of invention millet combined harvester vibrosieve under axonometric drawing.
Figure 17 is the vibrosieve sectional view of the threshing cleaning unit of invention millet combined harvester.
Figure 18 is the vibrosieve rear end partial side view of the threshing cleaning unit of invention millet combined harvester.
Specific embodiment
Below in conjunction with the accompanying drawing in the present invention, technical scheme is clearly and completely described.
Such as Fig. 1-3, the threshing cleaning unit of millet combined harvester of the present invention, including threshing separated part 4, grain cleaning portion
5, top of the threshing separated part 4 in grain cleaning portion 5.
Such as Fig. 1-12, the threshing separated part 4 include threshing casing 40, front threshing cylinder 41, rear threshing roller 42, front point
From sieve 44, rear bolter 45, transition bolter 49, front threshing head cover 47, rear threshing head cover 48, and be the front threshing cylinder
41 and the rear threshing roller 42 provide power drive mechanism.The front threshing cylinder 41 is short, and rear threshing roller 42 is grown, parallel
In the threshing casing 40, left side is alignd for accumbency（Such as Fig. 3）.The middle interval of the front threshing cylinder 41, rear threshing roller 42
Disconnected, left side is provided with handing-over mouth E（Such as Fig. 3）.The front bolter 44 is located at the underface of the front threshing cylinder 41 and is wrapped in outward
The front threshing cylinder 41, is the weldment for sieving lattice structure, is similar to tile, and concave surface is upward.The rear bolter 45 is located at institute
State the underface of rear threshing roller 42 and be partly wrapped in leading portion of the rear threshing roller 42 near the front threshing cylinder 41, also
Be partly be wrapped in left section of threshing cylinder 42 it is cylindrical on, cornerite β is more than or equal to 180 degree, and breach is upward.The rear bolter 45
To sieve the weldment of lattice structure, the left side of the rear bolter 45 is provided with feeding mouth F（Such as Fig. 9）, width f and the friendship of feeding mouth
Interface E is with wide.Described transition bolter 49 is steel plate stamped sieve, is similar to the tile that swells upwards, with front bolter 44, after
The left side alignment of bolter 45, width with handing-over mouth E, docked with the rear end of front bolter 44 by front side, rear side and rear bolter 45
Feeding mouth docking.The front threshing head cover 47 is arranged on the front threshing cylinder 41, and the rear threshing head cover 48 is arranged on
On the rear threshing roller 42.
The threshing principle of the front threshing cylinder 41 of the present invention is hemisection stream semiaxis stream, and the threshing principle of rear threshing roller 41 is
Holoaxial stream.
For prominent based on rubbing, the front threshing cylinder 41 is cylindrical " open type " cylinder, including by left and right direction
Front roll axle 413, be bonded be connected to the front width disk 414 of 413 both sides of front roll axle, it is circumferential be uniformly connected to it is many on front width disk 414
Root, threshing toothed bar 411 and rasp bar 412 before being fixed on front threshing toothed bar 411 before such as 4 or 6.The front threshing toothed bar 411,
From front ratch 411a, the downward projection of ratch in front ratch 411a both sides win in succession 411b, the support base 411c for projecting upwards, right side to
Upper protrusion it is multiple, such as 2-4 finger-like threshing tooth 411d is welded, and front rasp bar 412 is bolted on support base 411c
On, front rasp bar 412 has the lines side outwardly, and direction is dextrorotation.
For it is simultaneous rub and impact in one and Herba lysimachiae capillipedis, the rear threshing roller 42 for two sections of different-diameters conjuncted cylinder
" open type " cylinder, including left and right direction back roll axle 423, be bonded and be connected to the back panel disk 424 of 423 both sides of back roll axle, circumferential
Many be uniformly connected on back panel disk 424, threshing toothed bar 421 and are bolted on rear threshing toothed bar 421 after such as 6
Rear rasp bar 422.Described rear threshing toothed bar 421 is won in succession 421b, support base 421c, threshing tooth by rear ratch 421a, ratch
The Herba lysimachiae capillipedis tooth 421e of 421d and low order end and height higher than 1.2 to 2 times of threshing tooth 421d is welded, rear rasp bar 422
Length is 1/2nd of rear threshing toothed bar 421 or slightly longer, is bolted on the support base 421c of rear threshing toothed bar 421
On, after installation, rasp bar peak is same with the crown of right side threshing tooth 421d high, its 5/6ths sections of left side cylindrical straight for being formed
The same threshing cylinder 41 in footpath, but rasp bar direction is left-handed；/ 6th straw outlet section of the rightmost side is due to being welded with higher than threshing tooth
The Herba lysimachiae capillipedis tooth 421e of 421d, the body diameter which forms are bigger than left section.
Do not rub capes code and leak down from grating gap location not allow, the grid that front grating 442 is surrounded with front steel wire 443 is not more than
40mm10mm, and intrados is not more than 13mm with the minimum distance h1 of front threshing toothed bar 411.The rear sieve of the rear bolter 45
3/2nds to four/3rds sections from left to right of the grid that bar 452 is surrounded with rear steel wire 453, that is, rub section, no more than 50mm
10mm, remaining three/mono- to a quarter section, i.e. beating segment segregation section, more than 50mm12mm but be less than 50mm15mm,
Week spacing h2 is not more than 16mm to intrados recently with rear threshing roller 42, reduces the loss carried secretly by big stalk.Separate before above-mentioned
The gap of sieve 44 and rear bolter 45 affects larger, front bolter 44 and rear bolter to corn filter effect, percentage of damage, percentage of impurity
Between the grid between 45, centre-to-centre spacing is about 9mm, and the paddy code for splitting away off and not purifying can be prevented from fringe head to fall.
The front roll top cover 47 on front threshing cylinder 41 is entirely rolled by the covering rotated centered on axle center
The grand cowl top panel 471 for swelling upwards of cylinder be welded on two arranged in parallel that 471 Right Inboard of grand cowl top panel is extended downwardly with
Cylinder axis are spinned by particular track the grass guide board bar 472 of motion to the left into the guiding crop of certain degree, the grass guide board
The height of bar 472 is 50mm-70mm, and the gap for leading swath 472 with cylinder crown is 8mm-12mm.
The back roll top cover 48 on rear threshing roller 42 is entirely rolled by the covering rotated centered on axle center
The grand cowl top panel 481 for swelling upwards of cylinder be welded on the inside of grand cowl top panel 481, extend downwardly, left side is alignd, right side is far from side wall
The a plurality of equidistant arranged in parallel of 100mm-200mm is done by particular track to the right into the guiding crop of certain degree with cylinder axis
The grass guide board bar 482 of screw, the height of the grass guide board bar 482 is 50mm-70mm, the grass guide board bar 482 and cylinder
The gap of crown is 8mm to 12mm.
Threshing principle：As the handing-over mouth E for arranging is in left side, i.e., into the crop on the left of front threshing cylinder 41 in threshing tooth
Rub threshing in the presence of bar, separated seed, broken grass are entered through front bolter 44 and clean process, the crop that do not purify,
Paddy code is then directly allocated to rear by joining mouth E, and the crop entered on the right side of front threshing cylinder 41 is then stopped by rear portion, front
Spinned under the assistance of threshing head cover 47 to the left motion, converged with the follow-up crop for entering left side, be allocated to by joining mouth E together
Rear threshing roller is transferred to process in rear.
Crop into rear threshing roller is spinned under assistance of the threshing toothed bar with rear threshing head cover 48 to the right with paddy code
Motion, emersion object are entered by rear bolter 45 and clean process, and the long straw that purifies, paddy code shell are then most right in rear threshing roller 42
Side is discharged outside machine.
As Fig. 1,2,13-18, the grain cleaning portion 5 include selecting framework 51, front blower fan 52, reciprocating oscillating screen 53, and
The vibrating mechanism for vibrating the reciprocating oscillating screen 53.The front blower fan 52 is arranged on the front upper place cleaned in framework 51.
The reciprocating oscillating screen 53 is installed on the back upper place cleaned in framework 51.
The front blower fan 52 adopts centrifugal blower, including fan shaft 521, blower fan skeleton 522, blade 523, input belt wheel
524；The different wind speed for needed for controlling Different Crop, described blower fan pulley diameters are have level adjustable.Input belt wheel 524 includes
The outer adjustment sheets of 524a, middle adjustment sheet 524b, interior adjustment sheet 524c, thickness adjusted piece 524d, by increasing, reducing thickness adjusted piece
To change wind speed.524 rotating speed of blower fan belt wheel can have level adjustable by increasing and decreasing adjusting gasket 524d.Because millet seed is very
Gently, seed is close with the selecting crude drugs with winnower critical velocity of paddy handle and short cane.If air quantity conference makes grain blowout and causes to waste, air quantity
Little and block sieve and pile up, the adjustable structure of such speed can effectively meet different results of millet makes its use requirement.Example
As three-step timing, low speed adapt to the millet that millet harvests, the middling speed adaptation period of maturation is partially early and harvest, harvesting wheat is adapted at a high speed.
For the capes code not purified fails effectively removal when cleaning in view of first time, then above-mentioned cleaning plant also includes
Secondary rethreshing device, auxiliary cleaning plant carry out threshing again, then the secondary rethreshing device 57 is arranged on and described cleans framework 51
The back lower place.
The cleaning plant also includes device 56 of delivering grain, and is arranged on the front lower place for cleaning framework 51.
The reciprocating oscillating screen 53 include screen frame 531, screen frame seam 532, upper wire gauze sieve 533, lower wire gauze sieve 534, by original text
Plate 535；The screen frame seam 532 and upper wire gauze sieve 533 are bolted on the top of screen frame 531, lower wire gauze sieve after combining
534 bottoms for being bolted on screen frame 531, are arranged on 531 Internal back end of screen frame by original text plate 535, and which is topmost higher by sieve
531 afterbody back side panel 531a of frame；The front upper place by original text plate 535 is further fixed on width with by original text plate 535, height 30mm-
50mm's, sweptback plate washer 5351, the inclination angle for baffle plate itself flanging upper back with the angle of vibrosieve plane is
40 degree of -50 degree；The threshing again of secondary rethreshing device, the baffle plate itself folding are fallen into further to intercept the capes code for not yet purifying
The angle on side is also spent into 130 degree -155.On reciprocating oscillating screen, sieve is short, is easy to spill by original text plate, makes the paddy code for not yet purifying
Into secondary threshing again de- again, to reduce cleaning loss.
To prevent paddy code shell from leaking down, the mesh center specification of the upper wire gauze sieve 533 of the reciprocating oscillating screen 53 should be 12mm12mm-14mm14mm.To prevent capes code shell from leaking down to reduce percentage of impurity, the mesh center specification of lower wire gauze sieve 534 is less than
Equal to 6.3mm6.3mm；Sieve according to punching steel plate, then Kong Jing should be less than 7mm.
Two outside rear ends of the screen frame 531 of the reciprocating oscillating screen 53 be additionally provided with can install moccasin turn forward 30 degree-
50 degree of side wing 531b, is close to the moccasin that side wall will not be rubbed because of reciprocating motion again on side wing 531b by being provided with,
Its objective is to stop the seed being blown up on screw feeder of delivering grain below reciprocating oscillating screen 53, reduce cleaning loss.
Threshing and cleaning system of the present invention includes above-mentioned threshing cleaning unit, and controls the threshing cleaning unit operation
Controller.The controller is to control the vibrating mechanism so that the vibrating mechanism operates 53 vibrosieve of reciprocating oscillating screen
Select corn.The controller can also control front rotation speed of fan, be effective regulator air quantity and wind speed, adapt to the different results of millet
The use requirement in period, Design of Rotation are 1600r/min or so.The controller is to control the drive mechanism so that institute
It is that front threshing cylinder 41 and the rear threshing roller 42 provide power to state drive mechanism.Threshing cylinder rotating speed is controlled in 850-
900r/min, increases threshing cylinder rotating speed to increase the filter effect to paddy code.
Millet combined harvester of the present invention, including above-mentioned threshing cleaning unit, header or pick-up bench etc..
The above, patent only of the present invention preferably specific embodiment, but the protection domain of patent of the present invention is not
This is confined to, any those familiar with the art can be readily occurred in the technical scope of patent diselosesll of the present invention
Change or replacement, should all cover within the protection domain of patent of the present invention.
Claims (14)
1. a kind of threshing cleaning unit of millet combined harvester, including threshing separated part（4）With grain cleaning portion（5）；It is described
Grain cleaning portion（5）Positioned at the threshing separated part（4）Lower section, it is characterised in that
The threshing separated part（4）Including threshing casing（40）, front threshing cylinder（41）, rear threshing roller（42）, front bolter
（44）, rear bolter（45）, transition bolter（49）, front threshing head cover（47）, rear threshing head cover（48）, and for de- before described
Grain cylinder（41）With the rear threshing roller（42）The drive mechanism of power is provided；The front threshing cylinder（41）It is rear de- with described
Grain cylinder（42）Accumbency is in the threshing box body, and separates between the two, the front threshing cylinder（41）With the rear threshing
Cylinder（42）Between be provided with handing-over mouth（E）；The front bolter（44）Positioned at the front threshing cylinder（41）Underface and outer
It is wrapped in the front threshing cylinder（41）；The rear bolter（45）Positioned at the rear threshing roller（42）Underface and be partly wrapped in
The rear threshing roller（42）Near the front threshing cylinder（41）Leading portion；The transition bolter（49）Front side with it is described
Front bolter（44）Rear side docking, the transition bolter（49）Rear side and the rear bolter（45）Feeding mouth（F）
Docking；The front threshing head cover（47）Installed in the front threshing cylinder（41）On, the rear threshing head cover（48）Installed in institute
State rear threshing roller（42）On；
The grain cleaning portion（5）Including cleaning framework（51）, front blower fan（52）, reciprocating oscillating screen（53）, and make described past
Multiplex vibration is sieved（53）The vibrating mechanism of vibration；The front blower fan（52）Framework is cleaned described in being arranged on（51）Interior front upper place；Institute
State reciprocating oscillating screen（53）For double-deck screen shale shaker, it is installed on and described cleans framework（51）Interior back upper place, the front threshing cylinder
（41）Including the front roll axle of left and right direction（413）, be bonded and be connected to front roll axle（413）The width disk of both sides（414）, it is circumferential uniform
It is connected to width disk（414）On many front threshing toothed bars（411）Be fixed on front threshing toothed bar（411）On front rasp bar（412）；
The front threshing toothed bar（411）Including front ratch（411a）, front ratch（411a）The downward projection of front ratch connecting plate in both sides
（411b）, the front support seat that projects upwards（411c）, multiple threshing tooths for projecting upwards of right side（411d）；Front rasp bar（412）Gu
It is scheduled on front threshing toothed bar（411）Support base（411c）On, the rear threshing roller（42）Including the back roll axle of left and right direction
（423）, be bonded and be connected to back roll axle（423）The width disk of both sides（424）, circumferential be uniformly connected to width disk（424）On many after
Threshing toothed bar（421）And it is fixed on rear threshing toothed bar（421）On rear rasp bar（422）；The rear threshing toothed bar（421）Including
Ratch afterwards（421a）, rear ratch connecting plate（421b）, rear support seat（421c）, rear threshing tooth（421d）And height is higher than rear threshing
Tooth（421d）Herba lysimachiae capillipedis tooth（421e）；Rasp bar afterwards（422）It is fixed on rear threshing toothed bar（421）Support base（421c）On, install
Afterwards, rear rasp bar（422）Peak with its on the right side of threshing tooth（421d）Crown with high.
2. the threshing cleaning unit of a kind of millet combined harvester according to claim 1, it is characterised in that before described point
From sieve（44）For the recessed face-up sieve lattice structure surrounded with front steel wire (443) by front grating (442), the net of the sieve lattice structure
Lattice are not more than 40mm × 10mm, and intrados is not more than 13mm with the minimum distance h1 in front threshing cylinder.
3. the threshing cleaning unit of a kind of millet combined harvester according to claim 1, it is characterised in that de- before described
Grain top cover（47）Including former threshing cylinder（41）The front grand cover for swelling upwards of the whole cylinder of covering rotated centered on axle center
Top board（471）, be arranged on grand cowl top panel（471）Two arranged in parallel that Right Inboard is extended downwardly with cylinder axis into angle
Grass guide board bar（472）.
4. the threshing cleaning unit of a kind of millet combined harvester according to claim 1, it is characterised in that after described point
From sieve（45）For the recessed face-up sieve lattice structure surrounded with rear steel wire (453) by rear grating (452), the rear grating（452）
With rear steel wire（453）3/2nds to four/3rds sections of direction to threshing direction are picked up certainly or gathered in the grid for surrounding from corn
To rub section, sizing grid is not more than 50mm × 10mm；Remaining three/mono- to a quarter section be beating segment segregation section, net
Lattice size is more than 50mm × 12mm and is less than 50mm × 15mm, intrados and rear threshing roller（42）Spacing h2 is not more than recently
16mm。
5. the threshing cleaning unit of a kind of millet combined harvester according to claim 1, it is characterised in that de- after described
Grain top cover（48）Including with rear threshing roller（42）Axle center centered on rotate the whole cylinder of covering swell upwards it is rear grand
Cowl top panel（481）, and it is arranged on grand cowl top panel（481）Inner side extend downwardly a plurality of equidistant arranged in parallel with cylinder axis into
The rear grass guide board bar of angle（482）.
6. a kind of threshing cleaning unit of millet combined harvester according to claim 1, it is characterised in that front threshing roll
Cylinder（41）Front rasp bar（412）With rear threshing roller（42）Rear rasp bar（422）With the contrary lines in direction of rotation.
7. a kind of threshing cleaning unit of millet combined harvester according to claim 1, it is characterised in that the handing-over
Mouthful（E）Width e be set to not less than front threshing cylinder（41）/ 2nd of length k；The feeding mouth（F）Width f with
Handing-over mouth（E）Width e it is equal.
8. the threshing cleaning unit of a kind of millet combined harvester according to claim 1, it is characterised in that described reciprocal
Vibrosieve（53）Including screen frame（531）, screen frame soldering member（532）, upper wire gauze sieve（533）, lower wire gauze sieve（534）, by original text plate
（535）；The screen frame soldering member（532）With the upper wire gauze sieve（533）The screen frame is arranged on after combination（531）Top；
Lower wire gauze sieve（534）It is arranged on the screen frame（531）Bottom；It is described by original text plate（535）It is arranged on the screen frame（531）It is internal
Rear end, which is topmost higher by screen frame（531）The back side panel of afterbody（531a）.
9. the threshing cleaning unit of a kind of millet combined harvester according to claim 8, it is characterised in that described by original text
Plate（535）Front upper place is additionally provided with the baffle plate for tilting backwards 40 degree of -50 degree（5351）.
10. the threshing cleaning unit of a kind of millet combined harvester according to claim 8, it is characterised in that on described
Wire gauze sieve（533）Mesh center specification be 12mm × 12mm to 14mm × 14mm.
11. a kind of threshing cleaning units of millet combined harvester according to claim 8, it is characterised in that under described
Wire gauze sieve（534）Mesh center specification be not more than 6.3mm × 6.3mm.
A kind of 12. threshing cleaning units of millet combined harvester according to claim 8, it is characterised in that
The screen frame（531）Two outside rear ends be additionally provided with for install moccasin turn forward 30 degree -50 degree side wing
（531b）.
13. a kind of grain threshing cleaning and sorting systems, it is characterised in that including the threshing cleaning unit of one of the claims 1-12
With the controller for controlling the threshing cleaning unit operation.
14. a kind of millet combined harvesters, it is characterised in that including the threshing cleaning unit of one of the claims 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510553782.6A CN105103812B (en) | 2015-09-02 | 2015-09-02 | Millet combined harvester, and threshing and cleaning device and threshing and cleaning system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510553782.6A CN105103812B (en) | 2015-09-02 | 2015-09-02 | Millet combined harvester, and threshing and cleaning device and threshing and cleaning system thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN105103812A CN105103812A (en) | 2015-12-02 |
| CN105103812B true CN105103812B (en) | 2017-04-12 |
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| CN201510553782.6A Active CN105103812B (en) | 2015-09-02 | 2015-09-02 | Millet combined harvester, and threshing and cleaning device and threshing and cleaning system thereof |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105830631B (en) * | 2016-01-14 | 2019-03-22 | 金华职业技术学院 | A kind of threshing screening plant for combine harvester |
| CN105830670A (en) * | 2016-01-14 | 2016-08-10 | 金华职业技术学院 | Cleaning device for combine harvester |
| CN105830630B (en) * | 2016-01-14 | 2020-09-15 | 金华职业技术学院 | Cleaning and conveying device for combine harvester |
| CN107223414B (en) * | 2017-08-01 | 2023-05-26 | 洛阳理工学院 | Threshing system for millet combine harvester |
| CN109287269A (en) * | 2018-11-16 | 2019-02-01 | 张祥军 | A kind of pepper harvester |
| CN111742717A (en) * | 2020-07-28 | 2020-10-09 | 中国农业科学院草原研究所 | Seed threshing and cleaning device |
| CN112121893B (en) * | 2020-08-16 | 2021-11-05 | 方翠 | Agricultural crushing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3042736A1 (en) * | 1979-11-14 | 1981-05-27 | Sperry N.V., Zedelgem | HARVESTER |
| JP2010220563A (en) * | 2009-03-24 | 2010-10-07 | Kubota Corp | Normal-type combine harvester |
| CN202095306U (en) * | 2011-05-11 | 2012-01-04 | 李志胜 | Rasp-bar axial-flow cylinder of combine harvester |
| CN202385515U (en) * | 2012-01-09 | 2012-08-22 | 星光农机股份有限公司 | Threshing separating device with three horizontal threshing cylinders |
| CN202799712U (en) * | 2012-04-19 | 2013-03-20 | 星光农机股份有限公司 | Threshing cylinder of full-feeding combine harvester |
| CN203575152U (en) * | 2013-12-10 | 2014-05-07 | 福田雷沃国际重工股份有限公司 | Three-section type combined axial flow roller |
| CN103814678B (en) * | 2014-03-06 | 2016-01-20 | 星光农机股份有限公司 | A kind of collection grain discharge mechanism of combine and there is the combine of this device |
| CN204377460U (en) * | 2014-12-03 | 2015-06-10 | 桐乡市天鑫包装有限公司 | A kind of sheller unit |
| CN205071677U (en) * | 2015-09-02 | 2016-03-09 | 星光农机股份有限公司 | Millet combine harvester and cleaning plant and cleaning system that threshes thresh thereof |
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