CN108142110A - A kind of adjustable threshing cylinder of cylinder-concave clearance - Google Patents
A kind of adjustable threshing cylinder of cylinder-concave clearance Download PDFInfo
- Publication number
- CN108142110A CN108142110A CN201810016142.5A CN201810016142A CN108142110A CN 108142110 A CN108142110 A CN 108142110A CN 201810016142 A CN201810016142 A CN 201810016142A CN 108142110 A CN108142110 A CN 108142110A
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- China
- Prior art keywords
- cylinder
- gap
- adjusting mechanism
- main shaft
- gap adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A01F12/18—Threshing devices
- A01F12/181—Adjustable threshing mechanisms
Abstract
The invention discloses a kind of adjustable threshing cylinder of cylinder-concave clearance, including main shaft, gap adjusting mechanism, ratch and gap control mechanism.The gap adjusting mechanism and gap control mechanism are installed on main shaft, and the end of gap adjusting mechanism is connect with ratch, and gap adjusting mechanism can adjust ratch and carry out radial motion;The gap control mechanism is connect with gap adjusting mechanism, and the sliding members of gap adjusting mechanism can be controlled to slide axially;One end of the main shaft is equipped with main shaft drives sprocket wheel.The present invention has reformed the threshing roller structure that previous spoke disk adds threshing toothed bar, using gap adjusting mechanism instead of spoke disk, and gap control mechanism is attached, it not only can be with timely adjustment cylinder-concave clearance, the blockage problem of threshing cylinder can also be effectively solved, and application range is wider.
Description
Technical field
The present invention relates to a kind of agricultural machinery, more particularly to a kind of adjustable threshing cylinder of cylinder-concave clearance.
Background technology
Cylinder-concave clearance is one of main working parameters of sheller unit, and cylinder-concave clearance affects threshability to a certain extent
Energy.Cylinder-concave clearance refers to the gap between threshing cylinder threshing tooth tooth top and concave grate.When cylinder-concave clearance is less than normal, roller is to material
Strike is serious, crushes stalk, increases the miscellaneous remaining content of emersion object, and threshing seed is difficult to detach and increases entrainment loss.
Cylinder-concave clearance is too small or during feed quantity increase or even roller can be caused to block.Usual cylinder-concave clearance be after feed quantity determines,
By testing the more excellent cylinder-concave clearance of determining device.Due to harvesting crops type difference, suitable cylinder-concave clearance differs greatly, for
Adapt to various crop threshing, combine harvester usually with replace concave grate or using pull rod adjusting concave grate position mode come
Adjust cylinder-concave clearance.
During due to combine operation, forward speed is difficult to control, and same field as liquid manure, illumination etc. because
Element causes yield inconsistent, therefore the feed quantity of combine harvester is difficult to stability contorting.It is however corresponding suitable under different feed quantities
Suitable cylinder-concave clearance is different, it is therefore desirable in due course adjusting cylinder-concave clearance is changed to adapt to operating mode according to feed quantity, it is de- so as to improve
Grain quality.In addition, the crop threshing that some Grass Valley are bigger than content, moisture content is high easily causes sheller unit to block, work as sheller unit
Drum rotation speed reduces when will block, and needing increases cylinder-concave clearance and drum rotation speed excludes to accelerate material, prevents from blocking.
The threshing cylinder disclosed in threshing cylinder and CN206472522U disclosed in CN103039209A, is to pass through tune
The mode of fixed position of the threshing toothed bar on spoke disk is saved, realizes that cylinder diameter of beater is adjustable, so as to fulfill the tune of cylinder-concave clearance
Section, the regulative mode need to open sheller unit adjusting under shutdown status, it is impossible to realize the real-time adjusting of cylinder-concave clearance.
CN107172973A discloses the sheller unit that a kind of cylinder-concave clearance is adjusted, which adjusts four of concave grate by hydraulic cylinder
Fulcrum upright position, so as to adjust cylinder-concave clearance, but easily there is the problem of blocking in the device.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, and it is adjustable de- to provide a kind of cylinder-concave clearance
Grain roller, it has reformed the threshing roller structure that previous spoke disk adds threshing toothed bar, using gap adjusting mechanism instead of spoke disk, and
Gap control mechanism is attached, not only with timely adjustment cylinder-concave clearance, can also can effectively solve the blockage problem of threshing cylinder,
And application range is wider.
In order to solve the above technical problems, technical solution proposed by the present invention is:A kind of adjustable threshing roll of cylinder-concave clearance
Cylinder, including main shaft, gap adjusting mechanism, ratch and gap control mechanism, the gap adjusting mechanism and gap control mechanism are equal
On main shaft, the end of gap adjusting mechanism is connect with ratch, and gap adjusting mechanism can adjust ratch and carry out radial motion;
The gap control mechanism is connect with gap adjusting mechanism, and gap adjusting mechanism can be controlled to slide axially;The main shaft
One end be equipped with main shaft drives sprocket wheel.
As a further improvement of the above technical scheme:The gap adjusting mechanism includes retaining element, sliding members, length
Bar, quarter butt and several for hinged earrings, the quarter butt adjusts unit with stock composition, each to adjust quarter butt in unit
Quantity is two, and two quarter butts are respectively symmetrically mounted on the both sides of stock, and two quarter butt one end are hinged with retaining element, the other end
It is hinged with the center of stock, it is and holding pair hinged with stock for convenience each to adjust and two quarter butts are used in unit
Claim, secondly drum functions have tangential force, moment of flexure is shown as, therefore using two short at retaining element for regulating mechanism
Bar can increase moment of flexure bearing capacity;One end of stock and one end of sliding members are hinged in each adjusting unit, the other end and tooth
Bar is hinged;A pair of of earrings is respectively welded on the retaining element and sliding members for adjusting quarter butt and stock in unit
It is hinged, stock and quarter butt are first to drill, and are then hinged in drill hole and earrings;The sliding members passes through fastening
Bolt is connect with gap control mechanism, and the retaining element set is mounted on by fastening bolt on main shaft.
Further, the length of the quarter butt is equal to the 1/2 of long pole length, along with above-mentioned quarter butt one end is hinged on length
The center of bar may be such that ratch after adjustment, retaining element, the hinge joint at sliding members three form right angled triangle
(Center line on hypotenuse is equal to the half of bevel edge), which causes hinge joint at ratch there was only the fortune of roller radial direction
It is dynamic, no axial movement, so that only diameter of cylinder changes.
Further, the retaining element and sliding members outer ring be in hexahedron structure, hexahedron structure it is every
It is distributed with an adjusting unit on a side, each unit that adjusts is all connected with that there are one ratch;This kind of structure forms ratch
It is symmetrical so that retaining element and sliding members are for main shaft radial direction only gravity, therefore rubbing between sliding members and main shaft
It is smaller to wipe power, facilitates adjusting.
Further, the gap control mechanism includes the dynamic element of connection, regulating element and driving element, connects dynamic member
Part, regulating element and driving element are axle sleeve structure, and the dynamic element of connection is consolidated by fastening bolt and gap adjusting mechanism
Fixed connection is equipped with thrust bearing, is formed between regulating element and the dynamic element of connection between the regulating element and the dynamic element of connection
The closed overlapping space in one end, it is dynamic between element and regulating element at overlapping part that thrust bearing is located at connection, is allowed in connecting
It connects in the space more sealed formed between element and regulating element, high dirt when can make thrust bearing for drum functions
In environment, the driving element outer cover is equipped with outer bearing, and outer bearing is placed in rack and installs again;The driving element and main shaft
Between be equipped with inner bearing, the other end of driving element is equipped with control drive sprocket, and control drive sprocket can pass through motor driving rotation
Turn, which can be stepper motor, and the intelligence for being easy to implement cylinder-concave clearance is adjusted, and the control drive sprocket and above-mentioned main shaft drive
Movable sprocket is installed by bearing block.
Further, it is attached by the way of motion thread connection between the regulating element and driving element, i.e.,
The outer ring of driving element and the inner ring of regulating element are equipped with the screw thread being used in conjunction with each other, and can will need the linear motion adjusted
It is converted into circular motion;Due to threshing cylinder at work, ratch centrifugal force is larger, and sliding members, which has to have with retaining element, to be leaned on
Hold together trend, therefore gap control mechanism carries out lead angle design using motion thread, and to motion thread, may be such that gap is controlled
Mechanism processed has auto-lock function.
Further, the quantity of the gap adjusting mechanism and gap control mechanism is two, is respectively symmetrically mounted on
Left and right ends on main shaft, it is ensured that stability, the balance of flexible threshing device work of the invention are higher.
Further, the gap adjusting mechanism and gap control mechanism are axially symmetric structure, are further ensured that this hair
Balance when bright threshing cylinder works is higher.
Further, the ratch is connect by the earrings that its lower end is fixedly installed with gap adjusting mechanism, convenient for adjusting
Ratch.
Further, the gap adjusting mechanism facilitates progress compared to gap control mechanism closer to the center of main shaft
It adjusts.
Compared with prior art, the advantage of the invention is that:
1st, the present invention has reformed the threshing roller structure that previous spoke disk adds threshing toothed bar, using gap adjusting mechanism and clearance control
Mechanism cooperates to adjust the radius roller formed during ratch work, can change in due course adjusting cylinder-concave clearance according to feed quantity
To adapt to operating mode, so as to improve threshing quality, realize and do not shut down adjusting cylinder-concave clearance;
2nd, the both ends of threshing cylinder of the present invention can individually carry out the adjusting of cylinder-concave clearance, be filled relative to existing axial threshing
It puts, the present invention can so that drum front end cylinder-concave clearance is small, and threshing performance is improved convenient for threshing;Rear end cylinder-concave clearance is big, convenient for dividing
From entrainment loss is reduced, the blockage problem of threshing cylinder can be effectively solved;
3rd, gap control mechanism of the invention adds thrust bearing using two axle sleeves so that static gap control mechanism can control
High-speed rotating gap adjusting mechanism, reliability are higher;
4th, because of the factors difference such as field liquid manure, illumination, agricultural particle properties are also variant, yield per unit area, stalk amount equal difference
Different that threshing sex character can be caused to change, the present invention can change according to agricultural particle properties and change in due course, can adjust gap in due course, feed
It is big to enter amount, gap increases therewith;Feed quantity is small, and gap reduces therewith, advantageously reduces power consumption, and it is broken to reduce strike;
5th, since the cylinder-concave clearance of the present invention can be automatically adjusted in real time, the present invention can increase threshing crop and adapt to model
It encloses, can be applied to various types of grain threshing, and do not influence threshing efficiency and quality.
Description of the drawings
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is the structure diagram of right end gap adjusting mechanism in the present invention;
Fig. 3 is one group of adjusting unit of intermediate gap regulating mechanism of the present invention and the connection diagram of ratch;
Fig. 4 is the front view of Fig. 3;
Fig. 5 is the structure diagram of intermediate gap control mechanism of the present invention.
Marginal data:
1st, main shaft;11st, main shaft drives sprocket wheel;2nd, gap adjusting mechanism;21st, retaining element;22nd, sliding members;23rd, stock;24、
Quarter butt;25th, earrings;3rd, ratch;4th, gap control mechanism;41st, dynamic element is connected;42nd, regulating element;43rd, driving element;44、
Thrust bearing;45th, outer bearing;46th, inner bearing;47th, drive sprocket is controlled;5th, fastening bolt.
Specific embodiment
For the ease of understanding the present invention, the present invention is made below in conjunction with Figure of description and preferred embodiment more complete
Face meticulously describes, but the protection scope of the present invention is not limited to the following specific embodiments.
As shown in Figures 1 to 5, the adjustable soft threshing platen of a kind of cylinder-concave clearance, including main shaft 1, gap adjustment machine
Structure 2, ratch 3 and gap control mechanism 4, gap adjusting mechanism 2 and gap control mechanism 4 are installed on main shaft 1, gap adjustment
The end of mechanism 2 is connect with ratch 3, and gap adjusting mechanism 2 can adjust ratch 3 and carry out radial motion;Gap control mechanism 4 and
Gap regulating mechanism 2 connects, and gap adjusting mechanism 2 can be controlled to slide axially;One end of the main shaft 1 is equipped with main shaft drives
Sprocket wheel 11.
In the present embodiment, gap adjusting mechanism 2 includes retaining element 21, sliding members 22, stock 23, quarter butt 24 and several
A for hinged earrings 25, quarter butt 24 is formed with stock 23 adjusts unit, and each quantity for adjusting quarter butt 24 in unit is two
A, two quarter butts 24 are respectively symmetrically mounted on the both sides of stock 23, and two 24 one end of quarter butt are hinged with retaining element 21, the other end
It is hinged with the center of stock 23;One end of stock 23 and one end of sliding members 22 are hinged in each adjusting unit, another
End is hinged with ratch 3;A pair of of earrings 25 is respectively equipped on retaining element 21 and sliding members 22 for being cut with scissors with adjusting unit
It connects;Sliding members 22 is connect by fastening bolt 5 with gap control mechanism 4, and retaining element 21 is mounted on master by fastening bolt 5
On axis 1.
In the present embodiment, the length of quarter butt 24 is equal to the 1/2 of 23 length of stock.
In the present embodiment, retaining element 21 and 22 outer ring of sliding members are in hexahedron structure, hexahedron structure
It is distributed with an adjusting unit on each side, each unit that adjusts is all connected with that there are one ratch 3.
In the present embodiment, gap control mechanism 4 includes the dynamic element 41 of connection, regulating element 42 and driving element 43, connection
Dynamic element 41 is fixedly connected by fastening bolt 5 with gap adjusting mechanism 2, is equipped between regulating element 42 and the dynamic element 41 of connection
Thrust bearing 44,43 outer cover of driving element are equipped with outer bearing 45;Inner bearing 46 is equipped between driving element 43 and main shaft 1,
The other end of driving element 43 is equipped with control drive sprocket 47, and control drive sprocket 47 can be driven by motor to be rotated.
In the present embodiment, it is attached by the way of motion thread connection between regulating element 42 and driving element 43.
In the present embodiment, the quantity of gap adjusting mechanism 2 and gap control mechanism 4 is two, is respectively symmetrically mounted on
Left and right ends on main shaft 1.
In the present embodiment, gap adjusting mechanism 2 and gap control mechanism 4 are axially symmetric structure.
In the present embodiment, the earrings 25 that ratch 3 is fixedly installed by its lower end is connect with gap adjusting mechanism 2.
In the present embodiment, gap adjusting mechanism 2 is compared to gap control mechanism 4 closer to the center of main shaft 1.
Claims (10)
1. a kind of adjustable threshing cylinder of cylinder-concave clearance, it is characterised in that:Including main shaft(1), gap adjusting mechanism(2), tooth
Bar(3)And gap control mechanism(4), the gap adjusting mechanism(2)And gap control mechanism(4)It is installed in main shaft(1)On,
Gap adjusting mechanism(2)End and ratch(3)Connection, gap adjusting mechanism(2)Ratch can be adjusted(3)Carry out radial motion;
The gap control mechanism(4)With gap adjusting mechanism(2)Connection, and gap adjusting mechanism can be controlled(2)It slides axially;
The main shaft(1)One end be equipped with main shaft drives sprocket wheel(11).
2. the adjustable threshing cylinder of cylinder-concave clearance according to claim 1, it is characterised in that:The gap adjusting mechanism
(2)Including retaining element(21), sliding members(22), stock(23), quarter butt(24)Hinged earrings is used for several(25),
The quarter butt(24)With stock(23)Composition adjusts unit, each to adjust quarter butt in unit(24)Quantity for two, it is two short
Bar(24)Respectively symmetrically it is mounted on stock(23)Both sides, two quarter butts(24)One end and retaining element(21)It is hinged, the other end
With stock(23)Center be hinged;It is each to adjust stock in unit(23)One end and sliding members(22)One end hinge
It connects, the other end and ratch(3)It is hinged;The retaining element(21)And sliding members(22)On be respectively equipped with a pair of of earrings(25)With
It is hinged in adjusting unit;The sliding members(22)Pass through fastening bolt(5)With gap control mechanism(4)Connection, institute
State retaining element(21)Pass through fastening bolt(5)Mounted on main shaft(1)On.
3. the adjustable threshing cylinder of cylinder-concave clearance according to claim 2, it is characterised in that:The quarter butt(24)Length
Degree is equal to stock(23)The 1/2 of length.
4. the adjustable threshing cylinder of cylinder-concave clearance according to claim 2, it is characterised in that:The retaining element(21)
And sliding members(22)Outer ring is in hexahedron structure, and one is distributed on each side of hexahedron structure and adjusts list
Member, each unit that adjusts are all connected with that there are one ratch(3).
5. the adjustable threshing cylinder of cylinder-concave clearance according to claim 1, it is characterised in that:The gap control mechanism
(4)Including connecting dynamic element(41), regulating element(42)And driving element(43), the dynamic element of connection(41)By fastening spiral shell
Bolt(5)With gap adjusting mechanism(2)It is fixedly connected, the regulating element(42)With connecting dynamic element(41)Between be equipped with thrust axis
It holds(44), the driving element(43)Outer cover is equipped with outer bearing(45);The driving element(43)With main shaft(1)Between be equipped with it is interior
Bearing(46), driving element(43)The other end be equipped with control drive sprocket(47).
6. the adjustable threshing cylinder of cylinder-concave clearance according to claim 5, it is characterised in that:The regulating element(42)
With driving element(43)Between using motion thread connection by the way of be attached.
7. the adjustable threshing cylinder of cylinder-concave clearance according to any one of claim 1-6, it is characterised in that:Described
Gap regulating mechanism(2)And gap control mechanism(4)Quantity be two, respectively symmetrically mounted on main shaft(1)On left and right two
End.
8. the adjustable threshing cylinder of cylinder-concave clearance according to any one of claim 1-6, it is characterised in that:Described
Gap regulating mechanism(2)And gap control mechanism(4)It is axially symmetric structure.
9. the adjustable threshing cylinder of cylinder-concave clearance according to any one of claim 1-6, it is characterised in that:The tooth
Bar(3)The earrings being fixedly installed by its lower end(25)With gap adjusting mechanism(2)Connection.
10. the adjustable threshing cylinder of cylinder-concave clearance according to any one of claim 1-6, it is characterised in that:It is described
Gap adjusting mechanism(2)Compared to gap control mechanism(4)Closer to main shaft(1)Center.
Priority Applications (1)
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CN201810016142.5A CN108142110B (en) | 2018-01-08 | 2018-01-08 | Threshing cylinder with adjustable threshing gap |
Applications Claiming Priority (1)
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CN201810016142.5A CN108142110B (en) | 2018-01-08 | 2018-01-08 | Threshing cylinder with adjustable threshing gap |
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CN108142110A true CN108142110A (en) | 2018-06-12 |
CN108142110B CN108142110B (en) | 2020-07-10 |
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CN201810016142.5A Active CN108142110B (en) | 2018-01-08 | 2018-01-08 | Threshing cylinder with adjustable threshing gap |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109220240A (en) * | 2018-11-26 | 2019-01-18 | 江苏农牧科技职业学院 | A kind of rice wheat combine harvester installed threshing separator |
CN110915429A (en) * | 2019-12-17 | 2020-03-27 | 湖南农业大学 | Threshing cylinder with adjustable threshing gap |
CN110915430A (en) * | 2019-12-17 | 2020-03-27 | 湖南农业大学 | Multipurpose threshing cylinder |
CN110915431A (en) * | 2019-12-17 | 2020-03-27 | 湖南农业大学 | Threshing cylinder with adjustable threshing gap |
CN111194622A (en) * | 2020-01-20 | 2020-05-26 | 湖南农业大学 | Threshing cylinder with adjustable threshing gap |
CN111226610A (en) * | 2020-02-27 | 2020-06-05 | 江苏大学 | Threshing cylinder with adjustable threshing diameter, adjusting method and combine harvester |
CN111226609A (en) * | 2020-01-20 | 2020-06-05 | 湖南农业大学 | Threshing method of threshing device in grain combine harvester |
WO2020186540A1 (en) * | 2019-03-18 | 2020-09-24 | 江苏大学 | Threshing device with adjustable two-way pull wire threshing gap and combine harvester |
CN111887032A (en) * | 2020-08-13 | 2020-11-06 | 湖南农业大学 | Threshing cylinder with adjustable threshing gap |
CN111887031A (en) * | 2020-08-13 | 2020-11-06 | 湖南农业大学 | Differential roller with adjustable threshing gap |
CN112048839A (en) * | 2020-09-14 | 2020-12-08 | 董续军 | A prevent fold auxiliary device for silk surface fabric clothing is made up |
CN112369214A (en) * | 2020-10-15 | 2021-02-19 | 江苏大学 | Rotatable anti-blocking concave plate sieve with grid bars |
WO2021120608A1 (en) * | 2019-12-17 | 2021-06-24 | 湖南农业大学 | Multifunctional threshing cylinder |
CN113508690A (en) * | 2021-05-08 | 2021-10-19 | 河南科技大学 | Flexible threshing device capable of automatically adjusting threshing gap |
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CN105660057A (en) * | 2016-03-02 | 2016-06-15 | 济南大学 | Diameter-adjustable corn threshing and flow cutting roller |
CN207820595U (en) * | 2018-01-08 | 2018-09-07 | 湖南农业大学 | A kind of adjustable threshing cylinder of cylinder-concave clearance |
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RU2150815C1 (en) * | 1999-02-22 | 2000-06-20 | Салдаев Александр Макарович | Apparatus for threshing, preferably, licorice beans |
CN201438819U (en) * | 2009-03-12 | 2010-04-21 | 湖州丰源农业装备制造有限公司 | Threshing cylinder device capable of changing spacing with concave board of combine harvester |
WO2013082236A1 (en) * | 2011-11-29 | 2013-06-06 | Agco Corporation | Constant pressure concave assembly in a combine harvester processing system |
CN105660057A (en) * | 2016-03-02 | 2016-06-15 | 济南大学 | Diameter-adjustable corn threshing and flow cutting roller |
CN207820595U (en) * | 2018-01-08 | 2018-09-07 | 湖南农业大学 | A kind of adjustable threshing cylinder of cylinder-concave clearance |
Cited By (17)
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CN109220240A (en) * | 2018-11-26 | 2019-01-18 | 江苏农牧科技职业学院 | A kind of rice wheat combine harvester installed threshing separator |
WO2020186540A1 (en) * | 2019-03-18 | 2020-09-24 | 江苏大学 | Threshing device with adjustable two-way pull wire threshing gap and combine harvester |
US11330764B2 (en) | 2019-03-18 | 2022-05-17 | Jiangsu University | Threshing device with two-way pull wires and adjustable threshing clearance and combined harvester |
CN110915429A (en) * | 2019-12-17 | 2020-03-27 | 湖南农业大学 | Threshing cylinder with adjustable threshing gap |
CN110915430A (en) * | 2019-12-17 | 2020-03-27 | 湖南农业大学 | Multipurpose threshing cylinder |
CN110915431A (en) * | 2019-12-17 | 2020-03-27 | 湖南农业大学 | Threshing cylinder with adjustable threshing gap |
WO2021120608A1 (en) * | 2019-12-17 | 2021-06-24 | 湖南农业大学 | Multifunctional threshing cylinder |
CN111194622A (en) * | 2020-01-20 | 2020-05-26 | 湖南农业大学 | Threshing cylinder with adjustable threshing gap |
CN111226609A (en) * | 2020-01-20 | 2020-06-05 | 湖南农业大学 | Threshing method of threshing device in grain combine harvester |
CN111226610A (en) * | 2020-02-27 | 2020-06-05 | 江苏大学 | Threshing cylinder with adjustable threshing diameter, adjusting method and combine harvester |
CN111226610B (en) * | 2020-02-27 | 2023-10-10 | 江苏大学 | Threshing cylinder with adjustable threshing diameter, adjusting method and combine harvester |
CN111887032A (en) * | 2020-08-13 | 2020-11-06 | 湖南农业大学 | Threshing cylinder with adjustable threshing gap |
CN111887031A (en) * | 2020-08-13 | 2020-11-06 | 湖南农业大学 | Differential roller with adjustable threshing gap |
CN112048839A (en) * | 2020-09-14 | 2020-12-08 | 董续军 | A prevent fold auxiliary device for silk surface fabric clothing is made up |
CN112369214A (en) * | 2020-10-15 | 2021-02-19 | 江苏大学 | Rotatable anti-blocking concave plate sieve with grid bars |
CN112369214B (en) * | 2020-10-15 | 2021-11-23 | 江苏大学 | Rotatable anti-blocking concave plate sieve with grid bars |
CN113508690A (en) * | 2021-05-08 | 2021-10-19 | 河南科技大学 | Flexible threshing device capable of automatically adjusting threshing gap |
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