CN207820595U - A kind of adjustable threshing cylinder of cylinder-concave clearance - Google Patents
A kind of adjustable threshing cylinder of cylinder-concave clearance Download PDFInfo
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- CN207820595U CN207820595U CN201820026091.XU CN201820026091U CN207820595U CN 207820595 U CN207820595 U CN 207820595U CN 201820026091 U CN201820026091 U CN 201820026091U CN 207820595 U CN207820595 U CN 207820595U
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- Prior art keywords
- cylinder
- gap
- adjusting mechanism
- main shaft
- gap adjusting
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Abstract
The utility model discloses a kind of adjustable threshing cylinders 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 that can control gap adjusting mechanism slides axially；One end of the main shaft is equipped with main shaft drives sprocket wheel.The utility model 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 utility model is related 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, keeps stalk broken, increases the miscellaneous remaining content of emersion object, and threshing seed is difficult to detach and increase entrainment loss.
When cylinder-concave clearance is too small or feed quantity increases, or even roller can be caused to block.Usual cylinder-concave clearance be after feed quantity determination,
By testing the more excellent cylinder-concave clearance of determining device.Since harvesting crops type is different, suitable cylinder-concave clearance differs greatly, for
Adapt to various crop threshing, combine harvester usually with replace concave grate or in the way of pull rod adjusting concave grate position come
Adjust cylinder-concave clearance.
When due to combine operation, forward speed be 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.However it is corresponding suitable under different feed quantities
Suitable cylinder-concave clearance is different, it is therefore desirable to change in due course adjusting cylinder-concave clearance to adapt to operating mode according to feed quantity, be taken off 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 needs increase cylinder-concave clearance and drum rotation speed to be excluded to accelerate material, prevents from blocking.
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, to realize the tune of cylinder-concave clearance
Section, the regulative mode need to open sheller unit adjusting under shutdown status, can not achieve the real-time adjusting of cylinder-concave clearance.
CN107172973A discloses a kind of sheller unit that cylinder-concave clearance is adjusted, which adjusts four of concave grate by hydraulic cylinder
Fulcrum upright position, to adjust cylinder-concave clearance, but the problem of the device easily blocks.
Utility model content
The technical problems to be solved in the utility model is that overcome the deficiencies of the prior art and provide a kind of cylinder-concave clearance adjustable
Threshing cylinder, 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 it can also can effectively solve the blocking of threshing cylinder with timely adjustment cylinder-concave clearance
Problem, and application range is wider.
In order to solve the above technical problems, the utility model proposes technical solution be：A kind of cylinder-concave clearance is adjustable de-
Grain roller, including main shaft, gap adjusting mechanism, ratch and gap control mechanism, the gap adjusting mechanism and clearance control machine
Structure is 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 direction
Movement；The gap control mechanism is connect with gap adjusting mechanism, and can be controlled gap adjusting mechanism and be slid axially；It is described
One end of main shaft is 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 be used for hinged earrings, the quarter butt and stock composition adjust unit, 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
Hinged with the center of stock, it is and holding pair hinged with stock for convenience each to adjust in unit and use two quarter butts
Claim, followed by drum functions have tangential force, show as moment of flexure for regulating mechanism, therefore using two short at retaining element
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 to be used for and adjust the 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 make ratch after adjustment, retaining element, the hinge joint at sliding members three to form right angled triangle
（Center line on hypotenuse is equal to the half of bevel edge）, which makes 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 are 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 that element, regulating element and driving element are moved in connection, connects dynamic member
Part, regulating element and driving element are axle sleeve structure, and it is solid by fastening bolt and gap adjusting mechanism that element is moved in the connection
Fixed connection, the regulating element and connection are equipped with thrust bearing between moving element, and regulating element and connection are formed between moving element
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 of the thrust bearing for drum functions when can be made
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, the linear motion that can adjust needs
It is converted into circular motion；At work due to threshing cylinder, 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 uses motion thread, and lead angle design is carried out to motion thread, gap may make to control
Mechanism processed has self-locking 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 the flexible threshing device work of the utility model are higher.
Further, the gap adjusting mechanism and gap control mechanism are axially symmetric structure, are further ensured that this reality
Balance when being worked with novel threshing cylinder 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 utility model has the advantage of：
1, the utility model has reformed the threshing roller structure that previous spoke disk adds threshing toothed bar, using gap adjusting mechanism and
Gap control mechanism cooperates to adjust the radius roller formed when ratch work, can change in due course adjusting according to feed quantity
Cylinder-concave clearance, to improve threshing quality, realizes to adapt to operating mode and does not shut down adjusting cylinder-concave clearance；
2, the both ends of the utility model threshing cylinder can individually carry out the adjusting of cylinder-concave clearance, relative to existing axis stream
Sheller unit, the utility model can make drum front end cylinder-concave clearance small, and threshing performance is improved convenient for threshing；Rear end cylinder-concave clearance
Greatly, it is convenient for separation to reduce entrainment loss, can effectively solves the blockage problem of threshing cylinder；
3, the gap control mechanism of the utility model adds thrust bearing using two axle sleeves so that static clearance control machine
Structure can control high-speed rotating gap adjusting mechanism, reliability higher；
4, because of the factors difference such as field liquid manure, illumination, agricultural particle properties are also variant, yield per unit area, stalk amount
Etc. differences can cause threshing sex character change, the utility model can according to agricultural particle properties change and change in due course, can adjust in due course
Whole gap, feed quantity is big, and gap increases therewith；Feed quantity is small, and gap reduces therewith, advantageously reduces power consumption, and it is broken to reduce strike
It is broken；
5, since the cylinder-concave clearance of the utility model can be automatically adjusted in real time, the utility model can increase threshing
Crop accommodation can be applied to various types of grain threshing, and not influence threshing efficiency and quality.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of right end gap adjusting mechanism in the utility model；
Fig. 3 is the connection diagram of one group of adjusting unit and ratch of the utility model intermediate gap regulating mechanism；
Fig. 4 is the front view of Fig. 3；
Fig. 5 is the structural schematic diagram of the utility model intermediate gap control mechanism.
Marginal data：
1, main shaft；11, main shaft drives sprocket wheel；2, gap adjusting mechanism；21, retaining element；22, sliding members；23, long
Bar；24, quarter butt；25, earrings；3, ratch；4, gap control mechanism；41, it connects and moves element；42, regulating element；43, driving member
Part；44, thrust bearing；45, outer bearing；46, inner bearing；47, drive sprocket is controlled；5, fastening bolt.
Specific implementation mode
For the ease of understanding the utility model, below in conjunction with Figure of description and preferred embodiment to the utility model
Work more comprehensively, meticulously describes, but the scope of protection of the utility model is not limited to embodiment in detail below.
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 can control gap adjusting mechanism 2 and 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 to be used for hinged earrings 25, quarter butt 24 adjusts unit with the composition of stock 23, 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 and one end of sliding members 22 of stock 23 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 that element 41, regulating element 42 and driving element 43, connection are moved in 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 of connection 41
Thrust bearing 44,43 outer cover of the 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）It is used for hinged earrings with several（25）,
The quarter butt（24）With stock（23）Composition adjusts unit, each to adjust quarter butt in unit（24）Quantity be 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 it is 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）Element is moved including connecting（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）Element is moved with connecting（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 be 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)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820026091.XU CN207820595U (en) | 2018-01-08 | 2018-01-08 | A kind of adjustable threshing cylinder of cylinder-concave clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820026091.XU CN207820595U (en) | 2018-01-08 | 2018-01-08 | A kind of adjustable threshing cylinder of cylinder-concave clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207820595U true CN207820595U (en) | 2018-09-07 |
Family
ID=63392020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820026091.XU Withdrawn - After Issue CN207820595U (en) | 2018-01-08 | 2018-01-08 | A kind of adjustable threshing cylinder of cylinder-concave clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207820595U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108142110A (en) * | 2018-01-08 | 2018-06-12 | 湖南农业大学 | A kind of adjustable threshing cylinder of cylinder-concave clearance |
| WO2021120608A1 (en) * | 2019-12-17 | 2021-06-24 | 湖南农业大学 | Multifunctional threshing cylinder |
-
2018
- 2018-01-08 CN CN201820026091.XU patent/CN207820595U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108142110A (en) * | 2018-01-08 | 2018-06-12 | 湖南农业大学 | A kind of adjustable threshing cylinder of cylinder-concave clearance |
| CN108142110B (en) * | 2018-01-08 | 2020-07-10 | 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180907 Effective date of abandoning: 20200710 |
|
| AV01 | Patent right actively abandoned |