CN107535194A - Single longitudinal axial flow Coupled Rigid-flexible corn threshing device - Google Patents
Single longitudinal axial flow Coupled Rigid-flexible corn threshing device Download PDFInfo
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- CN107535194A CN107535194A CN201710902717.9A CN201710902717A CN107535194A CN 107535194 A CN107535194 A CN 107535194A CN 201710902717 A CN201710902717 A CN 201710902717A CN 107535194 A CN107535194 A CN 107535194A
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- threshing
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Abstract
The invention discloses a kind of single longitudinal axial flow Coupled Rigid-flexible corn threshing device, including frame and both ends to be rotatably supported at the column threshing cylinder in the frame；Twist around the Coupled Rigid-flexible threshing unit for the leading portion outer peripheral edge for setting the threshing cylinder；The hollow tube-shape concave grate being coaxially set in outside the threshing cylinder, the concave grate include：The helically multiple support bars for being spaced extension of line style, are fixed on the first baffle of the both sides of the support bar, and lower end is embedded into the notch board threshing bar in the receiving space.The present invention acts on threshing by Coupled Rigid-flexible, further reduces corn kernel percentage of damage, by increasing threshing intensity, improves threshing performance.
Description
Technical field
The present invention relates to a kind of agricultural machinery, more particularly to a kind of single longitudinal axial flow Coupled Rigid-flexible corn threshing device.
Background technology
Kernel direct receipts type corn threshing device is the developing direction of following corn harvest mechanization, however, China is most of
Moisture content is high during regional harvest corn, also has higher requirement to kernel direct receipts type corn threshing device.Longitudinal axial-flow type corn takes off
Grain device is gained the name because the threshing cylinder of sheller unit is axially identical with the direction of travel of harvester, and it is because than transverse-axis-flow threshing
The threshing efficiency of device is higher and obtains broader applications.
Axial flow type threshig device is made up of threshing cylinder and concave grate, and the threshing element of existing threshing cylinder uses line mostly
The forms such as bar, spike-tooth, plate tooth, and be directly rigidly attached on the surface of threshing cylinder, concave grate is made up of Turbogrid plates and grizzly bar,
Plane where Turbogrid plates is parallel with threshing cylinder axis.Corn ear is passive in the cylinder-concave clearance that threshing cylinder and concave grate are formed
Move, make peripheral helical line along cylinder axis direction under the threshing element effect of threshing cylinder and move, by threshing element
Impact and rubbing action with concave grate and carry out threshing, however, threshing element and concave grate apply line to corn ear and connect
Contact action power is touched or puts, the impulsive force and rubbing intensity to seed are big, when particularly carrying out threshing to high-moisture percentage corn, more
The damage of a large amount of corn kernels is easily caused, therefore, is badly in need of that a kind of suitable high-moisture percentage, seed damage rate be low, efficient corn takes off
Grain device.
The content of the invention
The present invention is the deficiency for solving current technology, there is provided a kind of single longitudinal axial flow Coupled Rigid-flexible corn threshing device, is entered
One step reduces corn kernel percentage of damage；
Another goal of the invention of the present invention is, by increasing threshing intensity, to improve threshing performance.
Technical scheme provided by the invention is：A kind of single longitudinal axial flow is provided and imitates Coupled Rigid-flexible corn threshing device, including：
Frame；And
Column threshing cylinder, its both ends are rotatably supported in the frame；
Coupled Rigid-flexible threshing unit, it is adjacent twist around the leading portion outer peripheral edge for setting the column threshing cylinder
Coupled Rigid-flexible threshing unit interlock arranged for interval；
Hollow tube-shape concave grate, it is coaxially set in outside the column threshing cylinder, the concave grate and the frame
It is fixed；The diameter that the concave grate passes through becomes larger；
The hollow tube-shape concave grate includes：
Multiple support bars, it extends from described concave grate one end to the other end and helically line style is spaced；
First baffle, it is fixed on the both sides of the support bar；The second baffle opposite face of the support bar both sides has
Groove forms receiving space；
Notch board threshing bar, its upper surface are provided with inclined depression arc surface, increase threshing intensity, improve threshing performance；Its lower end
It is embedded into the receiving space；
First spring, its both ends are respectively supported on the lower surface and the support bar of the notch board threshing bar；
Wherein, axis direction of the upper surface of the notch board threshing bar towards the hollow tube-shape concave grate.
Preferably, threshing post, its helical arrangement is fixed on the back segment outer peripheral surface of the column threshing cylinder, described
Threshing post upper end has oblique section, and the oblique section is provided with multiple fins being parallel to each other；The threshing post corresponds to described
The two sides at fin both ends are provided with multiple be parallel to each other along the axially extending groove of the threshing post.
Preferably, U-shaped bearing, it has U-shaped groove；
Threshing element, its one end can rotate around one end of the U-shaped groove, and other end float support is in the U-shaped groove
The other end；The threshing element can rotate in certain angle around one end of the U-shaped groove；
Second spring, its both ends are respectively supported at the threshing element bottom and the U-shaped bottom portion of groove.
Preferably, gyroaxis, it is arranged on one end of the U-shaped groove and is hinged the threshing element, makes described
Threshing element can be bonded with rotary moving with corn kernel surface；
Second baffle, it is arranged on the U-shaped bearing other end and has through hole, the vertical projection of the threshing element
Portion is inserted into the through hole from the bottom up.
Preferably, multiple annular brace ribs, it has the ring-wound of certain intervals in the hollow tube-shape concave grate
Outer peripheral edge.
Preferably, the threshing element upper surface is inclined plane, thereon with multiple along inclined plane longitudinal arrangement phase
Mutually connected groove；The incline direction of the notch board threshing bar incline direction and the threshing element is opposite.
Preferably, helix of the Coupled Rigid-flexible threshing unit along the lift angle that helix is arranged and the support bar
Lift angle is identical, its relative corn ear in threshing course is formed engagement form, is advantageously implemented and is connect with the face of corn kernel
Touch.
Preferably, the oblique section of the threshing post is identical with the angle of inclination of the notch board threshing element, in threshing
Cheng Zhong, it can be formed and be engaged with respect to corn ear, beneficial to threshing.
Preferably, the frame includes：
Crossbeam；
Arm, it is along the equidirectional extension in crossbeam both ends；The column threshing cylinder is rotatably supported at institute
State the overhanging end of arm；
At least two arcs are cranked arm, and its middle part is fixed on the crossbeam；The overhanging end cranked arm is fixedly connected described
Hollow tube-shape concave grate.
Preferably, spiral feeding head, it is fixed on the front end of the column threshing cylinder, and its surface is set around circumference
There is spiral feeding blade.
Beneficial effect of the present invention：1) threshing element on roller is that the shape of imitative corn ear and seed profile is set
Meter, the threshing bar that contacting surface design is imitated with concave grate coordinate threshing, realize that threshing element contacts with the face of corn ear, reduce
To corn kernel action intensity, so as to improve threshing performance, seed breakage rate is reduced.2) threshing element on roller and bearing it
Between, connected by spring between the notch board threshing bar and spiral support bar of concave grate, with elasticity, realize that Coupled Rigid-flexible takes off
Grain effect, further reduces corn kernel percentage of damage.3) there is inclination fin on threshing post oblique section, both sides are fluted, are advantageous to
Realization contacts with the face of corn kernel, increases threshing intensity, improves threshing performance.
Brief description of the drawings
The structural representation of Fig. 1 embodiment of the present invention.
The structural representation of the threshing cylinder of Fig. 2 embodiment of the present invention.
The top view of the Coupled Rigid-flexible threshing unit of Fig. 3 embodiment of the present invention
The side view of the Coupled Rigid-flexible threshing unit of Fig. 4 embodiment of the present invention.
The structural representation of the spiral concave grate of Fig. 5 embodiment of the present invention.
The structural representation of the notch board elasticity threshing element of Fig. 6 embodiment of the present invention.
The structural representation of the threshing post of Fig. 7 embodiment of the present invention.
The notch board elasticity threshing element of Fig. 8 embodiment of the present invention corn relative with the threshing element of Coupled Rigid-flexible threshing unit
Fruit ear engaging structure schematic diagram.
Wherein, 1. frame；2. hood；3. crank arm；4. arm；5. threshing cylinder；6. screw type concave grate；7. corn fruit
Fringe model；510 outer barrels；520 threshing posts；530 Coupled Rigid-flexible threshing units；540 spiral feeding blades；550 tapers feed head；
521 fins；522 bevel posts；523 grooves；531 regulating bolts；532 threshing elements；533 second baffles；534 gyroaxises；535
Seat；536 second support bars；537 second springs；610 circular support ribs；620 notch board elasticity threshing elements；630 spiral supports
Bar；621 notch board threshing bars；622 first baffles；623 first springs；624 first support bars；625 fixing bolts.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
As shown in figure 1, single longitudinal axial flow Coupled Rigid-flexible corn threshing device of the present invention includes organic frame 1, arm 4, its edge
The equidirectional extension in crossbeam both ends of frame 1；At least two arcs crank arm 3, and its middle part is fixed on crossbeam；Column threshing roll
Cylinder 5, its both ends is rotatably supported in frame 1, positioned at the overhanging end of arm 4；Hollow tube-shape concave grate 6, it is coaxially arranged
Outside column threshing cylinder 5, be fixed on crank arm 3 overhanging end on the inside of, the diameter that concave grate 6 passes through gradually becomes
Greatly.
As shown in Fig. 2 the outer surface of threshing cylinder 5 is cased with outer barrel 510, the rotatable cone-type spiral that is fixed with of leading head is fed
Enter first 550, spiral feeds first 550 front end and is provided with spiral feeding blade 540；There is Spiral distribution in the forward outer surface of outer barrel 510
Coupled Rigid-flexible threshing unit 530, the angle of spiral are identical with the angle of spiral of the spiral support bar 630 on concave grate 6；Outside
Outer barrel 510 is more densely distributed with the external rear face of cylinder 510, and it is arranged at outer barrel rear portion into spiral form.Such as Fig. 3
For the top view of Coupled Rigid-flexible threshing unit 530, each of which Coupled Rigid-flexible threshing unit 530 1 is laid with three six sides on side
The regulating bolt 531 of shape, intermediate parallel are provided with three threshing elements 532.
As shown in figure 4, threshing element 532 is a tri-prismoid, upper surface is oblique section, and skewed surface is by multiple by circular arc
The groove that section and both sides bevel phase are formed is formed, and it can be in contact in threshing course with the seed of corn ear, and threshing member
Part surface.Threshing element 532 is hinged by gyroaxis 534 and the side of bearing 535, and bearing 535 is fixed on the table of outer barrel 510
Face, multiple second springs 537 are provided with the intermediate gaps of bearing 535 and threshing element 532, its lower end is fixed on bearing 535
On, upper end is fixed on the lower surface of threshing element 532, is internally provided with second support bar 536 so that threshing element 532 can be sent out
Raw elastic displacement, meanwhile, another side of bearing 535 is provided with second baffle 533, and it can limit the elastic position of threshing element 532
The extreme position of shifting, realize the Coupled Rigid-flexible performance of threshing unit.
As shown in figure 5, the concave grate 6 of screw type is sequentially provided with the branch of the concentric circles of increasing radii from top to bottom
Stake rib 610, notch board threshing element 620 are fixed in ribs 610 by the support bar 630 of ring-type, and support bar 630 is from concave grate
6 one end extend to the other end and helically line style is spaced；And notch board threshing element 620 is arranged by spiral line type interval
Row.The structure of each notch board threshing element 620 is as shown in fig. 6, first baffle 622, it is fixed on the both sides of support bar 630；Branch
There is the opposite face of second baffle 622 of the both sides of stay 630 groove to form receiving space, and the right side of first baffle 622 is provided with fixed spiral shell
Bolt 625, the support bar 630 of ring-type is by its center ring around the bottom of first baffle 622, and notch board threshing bar 621, its upper surface is provided with
Inclined depression arc surface, its lower end are embedded into the receiving space；The bottom of threshing bar 621 and the upper end of support bar 630 it
Between be mounted with the first spring 623, the inside of the first spring 623 is provided with first support bar 624, and under original state, first supports
There is a segment distance on the top of bar 624 apart from the bottom of threshing bar 621, and in working condition, first support bar 624 can limit
The position of one spring 623 so that notch board threshing bar 621 is flexible within the specific limits, meanwhile, the upper table of notch board threshing bar 621
Face is provided with inclined depression arc surface, corn when relative with the threshing element 532 of Coupled Rigid-flexible threshing unit 530 on threshing cylinder 5
Formation of spike engages form, is advantageously implemented and is contacted with the face of corn kernel.
As shown in fig. 6, the main body of threshing post 520 is the bevel post 522 that an end section is inclined-plane, the two sides of bevel post 522
On be uniformly provided with groove 523 parallel to vertical axis, the oblique section of upper end is provided with parallel strip fin 521, and strip is convex
The tilt distribution of rib 521, it is identical with the inclination angle of the notch board elasticity threshing element 620 of concave grate 6, along with arc groove 523
Design, be advantageously implemented and contacted with the face of corn kernel.
As shown in fig. 7, when threshing works, threshing cylinder 5 continuously rotates, and corn ear 7 feeds first 550 by taper, warp
Cross between the cylinder-concave clearance for leading out into threshing cylinder 5 and concave grate 6 and being formed of spiral feeding blade 540, when corn ear 7 with
When notch board elasticity threshing element 620 and Coupled Rigid-flexible threshing unit 530 contact, two flexible elements can be according to corn fruit
The radius of fringe 7 carries out displacement regulation, makes corn ear just between the two, now, corn kernel just with threshing element
532 arc grooves are bonded and the fitting of the arc surface of threshing bar 621, and two arcs of relative two elements are towards on the contrary, can be firm
It is good to form intermeshing form with corn kernel, under the drive of threshing cylinder 5, threshing element 532, threshing bar 621 and take off
The mutual cooperation effect of grain post 520 carries out threshing.The rotary rolling of corn ear 7 simultaneously, complete threshing work.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (10)
- A kind of 1. single longitudinal axial flow Coupled Rigid-flexible corn threshing device, it is characterised in that including：Frame；AndColumn threshing cylinder, its both ends are rotatably supported in the frame；Coupled Rigid-flexible threshing unit, twist around the leading portion outer peripheral edge for setting the column threshing cylinder, adjacent is firm for it Soft coupling threshing unit interlocks arranged for interval；Hollow tube-shape concave grate, it is coaxially set in outside the column threshing cylinder, and the concave grate and the frame are fixed； The diameter that the concave grate passes through becomes larger；The hollow tube-shape concave grate includes：Multiple support bars, it extends from described concave grate one end to the other end and helically line style is spaced；First baffle, it is fixed on the both sides of the support bar；The second baffle opposite face of the support bar both sides has groove Form receiving space；Notch board threshing bar, its upper surface are provided with inclined depression arc surface；Its lower end is embedded into the receiving space；First spring, its both ends are respectively supported on the lower surface and the support bar of the notch board threshing bar；Wherein, axis direction of the upper surface of the notch board threshing bar towards the hollow tube-shape concave grate.
- 2. single longitudinal axial flow Coupled Rigid-flexible corn threshing device according to claim 1, it is characterised in that also include：Threshing post, its helical arrangement are fixed on the back segment outer peripheral surface of the column threshing cylinder, the threshing post upper end tool There is oblique section, the oblique section is provided with multiple fins being parallel to each other；The threshing post corresponds to the two of the fin both ends Side is provided with multiple be parallel to each other along the axially extending groove of the threshing post.
- 3. single longitudinal axial flow Coupled Rigid-flexible corn threshing device according to claim 1 or claim 2, it is characterised in that Coupled Rigid-flexible takes off Grain unit includes：U-shaped bearing, it has U-shaped groove；Threshing element, its one end can rotate around one end of the U-shaped groove, and other end float support is another the U-shaped groove One end；The threshing element can rotate in certain angle around one end of the U-shaped groove；Second spring, its both ends are respectively supported at the threshing element bottom and the U-shaped bottom portion of groove.
- 4. single longitudinal axial flow Coupled Rigid-flexible corn threshing device according to claim 3, it is characterised in that also include：Gyroaxis, it is arranged on one end of the U-shaped groove and is hinged the threshing element；Second baffle, it is arranged on the U-shaped bearing other end and has through hole, the vertical lug boss of the threshing element from Under be up inserted into the through hole.
- 5. single longitudinal axial flow Coupled Rigid-flexible corn threshing device according to claim 1, it is characterised in that also include：Multiple annular brace ribs, it has the ring-wound of certain intervals in the outer peripheral edge of the hollow tube-shape concave grate.
- 6. single longitudinal axial flow Coupled Rigid-flexible corn threshing device according to claim 3, it is characterised in that the threshing element Upper surface is inclined plane, thereon with multiple grooves mutually connected along inclined plane longitudinal arrangement；The notch board threshing bar inclines The incline direction of tilted direction and the threshing element is opposite.
- 7. single longitudinal axial flow Coupled Rigid-flexible corn threshing device according to claim 5, it is characterised in that：The Coupled Rigid-flexible threshing unit is identical with the angle of spiral of the support bar along the lift angle that helix is arranged.
- 8. single longitudinal axial flow Coupled Rigid-flexible corn threshing device according to claim 2 or 7, it is characterised in that the threshing The oblique section of post is identical with the angle of inclination of the notch board threshing element.
- 9. single longitudinal axial flow Coupled Rigid-flexible corn threshing device according to claim 2, it is characterised in that the frame bag Include：Crossbeam；Arm, it is along the equidirectional extension in crossbeam both ends；The column threshing cylinder is rotatably supported at described hang The overhanging end of arm；At least two arcs are cranked arm, and its middle part is fixed on the crossbeam；The overhanging end cranked arm is fixedly connected described hollow Cylindrical concave sieves.
- 10. single longitudinal axial flow Coupled Rigid-flexible corn threshing device according to claim 9, it is characterised in that also include：Spiral feeds head, and it is fixed on the front end of the column threshing cylinder, and its surface is provided with spiral feeding leaf around circumference Piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902717.9A CN107535194B (en) | 2017-09-29 | 2017-09-29 | Single longitudinal axial flow rigid-flexible coupling corn threshing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902717.9A CN107535194B (en) | 2017-09-29 | 2017-09-29 | Single longitudinal axial flow rigid-flexible coupling corn threshing device |
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| CN107535194A true CN107535194A (en) | 2018-01-05 |
| CN107535194B CN107535194B (en) | 2022-07-19 |
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| CN110741815A (en) * | 2019-12-02 | 2020-02-04 | 吉林大学 | Formula high moisture content corn thresher is rubbed to axis of ordinates stream |
| CN111820013A (en) * | 2020-07-21 | 2020-10-27 | 河南科技大学 | Longitudinal axial flow micro-motion rigid-flexible coupling millet threshing device |
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| CN111820013A (en) * | 2020-07-21 | 2020-10-27 | 河南科技大学 | Longitudinal axial flow micro-motion rigid-flexible coupling millet threshing device |
| CN111820013B (en) * | 2020-07-21 | 2022-08-09 | 河南科技大学 | Longitudinal axial flow micro-motion rigid-flexible coupling millet threshing device |
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| Publication number | Publication date |
|---|---|
| CN107535194B (en) | 2022-07-19 |
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