CN105850399A - Cleaning cylinder of harvester - Google Patents
Cleaning cylinder of harvester Download PDFInfo
- Publication number
- CN105850399A CN105850399A CN201610303284.0A CN201610303284A CN105850399A CN 105850399 A CN105850399 A CN 105850399A CN 201610303284 A CN201610303284 A CN 201610303284A CN 105850399 A CN105850399 A CN 105850399A
- Authority
- CN
- China
- Prior art keywords
- drive rod
- cleaning cylinder
- cereal
- finger
- cone
- 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.)
- Pending
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Classifications
-
- 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
- A01F12/22—Threshing cylinders with teeth
-
- 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
- A01F12/10—Feeders
Abstract
The invention discloses a cleaning cylinder of a harvester and belongs to the field of agricultural machines. The cleaning cylinder comprises a feeding cylinder, a drive rod and a straw discharge mechanism which are sequentially connected in the grain conveying direction. A plurality of thrashing rods are evenly distributed on the periphery of the drive rod. The thrashing rods and the drive rod form a conical cavity. The large-diameter end of the conical cavity is located at the rear end of the feeding cylinder. The conical cavity extends from the large-diameter end of the conical cavity in the rotation axis direction of the drive rod. The small-diameter end of the conical cavity is located at the front end of the straw discharge mechanism. Toothed nails are arranged on the thrashing rods, the lengths of the toothed nails are gradually increased from the large-diameter end of the conical cavity in the rotation axis direction of the drive rod, and the maximum values of rotation tracks of the toothed nails are the same. The cleaning cylinder of the harvester can prevent the threshing blocking phenomenon, threshing efficiency is greatly improved, service life is greatly prolonged, and market popularization is good.
Description
Technical field
The present invention relates to agricultural mechanical field, more particularly, to a kind of cleaning cylinder for united reaper.
Background technology
Installed threshing separator is the main working parts on united reaper and thresing machine, for being taken off from fringe by grain, and to the greatest extent
Seed how is made to separate from original text grass.
By the feature of installed threshing separator, full feeding installed threshing separator can be divided into along the direction that threshing separation barrel moves by crop
Cut streaming and axial-flow type two kinds.
Cutting in streaming installed threshing separator, after crop feeding, the tangential direction entrance along cylinder is flowed out again, in the process at cylinder
And carrying out threshing between notch board, belonging to this type of has drum with rasp bars, nail tooth drum formula and twin-roll installed threshing separator.
In axial-flow type installed threshing separator, cereal has again axially-movable while rotating, so cereal separates in threshing
In device, the number of turns or the distance of motion are more or long than cutting streaming.Enabling it to carry out the separation of grain while threshing, threshing performance is high
And percentage of damage is low.
Axial-flow type cylinder threshing separator can be divided into by the direction difference of cereal feed roller: longitudinal axis streaming, lateral shaft streaming
Installed threshing separator and cut stream axial flow combined type.
Longitudinal axis streaming for combined harvester, because cylinder is parallel with the direction of machine travel, compares mostly in overall arrangement
Good arrangement.In order to make cereal can feed from one end of axle, therefore it is provided with helical blade, cereal is produced strong traction impact,
Realize forcing feeding.
The arrangement of cylindrical form the most from front to back of the cleaning cylinder device of current longitudinal axial-flow harvester, drum ratch motion rail
Mark cross section is identical disc, and the scope of attack that cylinder is formed with top cover is parallel surface, and the scope of attack that cylinder is formed with concave grate is flat
Row face, cereal starts to stalk to discharge the space invariance run from threshing.The cleaning cylinder of existing longitudinal axial flow harvesting, holds
Easily high because of grain yield, the threshing load caused is big, produces cereal and carries secretly and wait the clean phenomenon of threshing, even occurs threshing to block,
The phenomenon that harvester cannot normally work.Therefore, generally there is the bad adaptability to high-yield rice in existing longitudinal axial flow harvester
Phenomenon.
Summary of the invention
It is an object of the invention to provide a kind of harvester cleaning cylinder, it is when grain yield height, during harvester threshing can and
Time by stalk discharge, prevent threshing clogging, be greatly improved threshing efficiency and service life, there is preferable market and push away
Wide property.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
There is provided a kind of harvester cleaning cylinder, including the feed roller being sequentially connected with along cereal conveying direction, drive rod and Lysimachia sikokiana
Mechanism, this feed roller is conical drum, is uniformly distributed some bars of thrashing in described drive rod surrounding, described in thrash bar with described
Drive rod forms a cone-shaped cavity, and the large-diameter end of described cone-shaped cavity is positioned at the rearward end of described feed roller, described taper
Cavity from the large-diameter end of described cone-shaped cavity along the rotation direction of described drive rod extend, described cone-shaped cavity little directly
End, footpath is positioned at the leading section of described grass discharge mechanism；Described bar of thrashing is provided with multiple finger, and the length of multiple described fingers is from institute
State the large-diameter end of cone-shaped cavity to be gradually increased along the rotation direction of described drive rod, the rotational trajectory of each described finger
Maximum the most identical.
The harvester cleaning cylinder of present invention design, changes drive rod and the structure thrashed between bar, is allowed to the grain threshing formed
Space is pre-large post-small cone-shaped cavity, and when hitting cereal, along with the separation of cereal, the attaching space hitting cereal gradually increases
Greatly, make the discharge rate inlet more than cereal of cereal, accelerate the conveying of stalk, when reducing cereal stop in thresing machine body
Between, improve threshing efficiency, make the feeding of high yield cereal more smooth and easy；Further, the design of cone-shaped cavity makes the arm of force be gradually reduced,
Moment of torsion away from delivery end tapers into, and improves the service life of midway drive bar.
Meanwhile, the length being arranged on the finger thrashed on bar is gradually increased, and during cereal feeding, weight is relatively big, and the length of finger is relatively
Short, the arm of force is short, and intensity is big, hits cereal good separating effect.Along with going deep into of cereal feeding, cereal weight is gradually lowered, and beats
Paddy bar load is gradually lowered, and finger length is gradually increased, and increases the strike contact surface of finger and cereal, improves cereal further
Separate, improve threshing efficiency, make the feeding of high yield cereal more smooth and easy.
Further, the cone angle of described cone-shaped cavity is 0～10 °, preferably 8 °.
Further, multiple described fingers be parallel to each other be located at described in thrash on bar, each described finger and described thrash between bar
Being obliquely installed in 0～15 °, preferably 10 °, when so making strike, finger root first contacts cereal, gradually terminad transition, profit
In stalk separation from finger, it is to avoid stalk is wound around on finger, improve the transfer efficiency of cereal；Meanwhile, make finger in rotation
When turning, the scope of attack that finger and bar of thrashing are formed is the angle of taper of 0-10 °, and the contact surface hitting cereal is big, and beneficially high yield is difficult
The separation of shelling thing, the end direction of finger and the conveying direction of cereal are consistent simultaneously, improve the transfer efficiency of cereal, make high yield
Amount cereal feeding is more smooth and easy.
Further, described in thrash bar and finger form the threshing space of cleaning cylinder, described threshing space is along described drive rod
Rotation direction is gradually increased.
Further, in order to reduce welding, strengthen the intensity of feed roller, improve its service life, make high yield cereal feed
More smooth and easy, discharge rapider, between described drive rod and described feed roller, described drive rod and described grass discharge mechanism, be provided with peace
Dress disk.
Further, in order to strengthen the intensity of blade, improve interchangeability, reach to improve the service life of feed roller, described
Feed roller surface is provided with blade, and described blade extends back twist from the leading section of feed roller.
Further, described blade is provided with dismountable reinforcing plate.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention changes drive rod and the structure thrashing between bar, and the grain threshing space being allowed to be formed is that pre-small post-large taper is empty
Between, when hitting cereal, along with the separation of cereal, the attaching space hitting cereal is gradually increased, and makes the discharge rate of cereal be more than
The inlet of cereal, accelerates the conveying of stalk, reduces the cereal time of staying in thresing machine body, improves threshing efficiency, make
The feeding of high yield cereal is more smooth and easy；Further, the design of cone-shaped cavity makes the arm of force be gradually reduced, and the moment of torsion away from delivery end gradually becomes
Little, improve the service life of midway drive bar.
Meanwhile, the length being arranged on the finger thrashed on bar is gradually increased, and during cereal feeding, weight is relatively big, and the length of finger is relatively
Short, the arm of force is short, and intensity is big, hits cereal good separating effect.Along with going deep into of cereal feeding, cereal weight is gradually lowered, and beats
Paddy bar load is gradually lowered, and finger length is gradually increased, and increases the strike contact surface of finger and cereal, improves cereal further
Separate, improve threshing efficiency, make the feeding of high yield cereal more smooth and easy.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention a kind of harvester cleaning cylinder；
Fig. 2 is the left view of the present invention a kind of harvester cleaning cylinder；
Fig. 3 is the structure chart of the feed roller of the present invention a kind of harvester cleaning cylinder；
Fig. 4 is the left view of Fig. 3.
In figure, 1, feed roller, 2, drive rod, 3, grass discharge mechanism, 4, bar of thrashing, 5, cone-shaped cavity, 6, finger, 7,
Depart from space, 8, disk is installed, 9, blade, 10, reinforcing plate.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, to this
Bright it is further elaborated.Should be appreciated that specific embodiment described herein, and need not only in order to explain the present invention
In limiting the present invention.
Refering to shown in Fig. 1, Fig. 3 and Fig. 4, a kind of harvester cleaning cylinder, including feeding of being sequentially connected with along cereal conveying direction
Entering cylinder 1, drive rod 2 and grass discharge mechanism 3, this feed roller 1 is conical drum, after the anterior diameter of conical drum is less than
Portion's diameter, it is simple to the feeding of cereal.Being provided with blade 9 on this feed roller 1 surface, described blade 9 is before feed roller 1
End extends back twist, and described blade 9 is provided with dismountable reinforcing plate 10, in the present embodiment, reinforcing plate 10
One end is connected with blade 9, and another abutting end is connected with the surface of feed roller 1, so can strengthen the intensity of blade 9, carry
High interchangeability, reaches to improve the service life of feed roller 1.
Specifically, refering to shown in Fig. 1～Fig. 2, be uniformly distributed some bars 4 of thrashing in described drive rod 2 surrounding, described in thrash bar
4 form a cone-shaped cavity 5, after the large-diameter end of described cone-shaped cavity 5 is positioned at described feed roller 1 with described drive rod 2
End, described cone-shaped cavity 5 extends from the large-diameter end of described cone-shaped cavity 5 along the rotation direction of described drive rod 2,
The small-diameter end portions of described cone-shaped cavity 5 is positioned at the leading section of described grass discharge mechanism 3, and the cone angle of described cone-shaped cavity 5 is
0～10 °, in the present embodiment, preferably 8 °.This bar 5 of thrashing is pre-large post-small with the cone-shaped cavity 5 that drive rod 2 is formed,
When hitting cereal, along with the separation of cereal, the attaching space hitting cereal is gradually increased, and makes the discharge rate of cereal more than cereal
Inlet, accelerate stalk conveying, reduce the cereal time of staying in thresing machine body, improve threshing efficiency, make high yield
Amount cereal feeding is more smooth and easy；Further, the design of cone-shaped cavity 5 makes the arm of force be gradually reduced, and the moment of torsion away from delivery end tapers into,
Improve the service life of midway drive bar 2.
Bar 4 of thrashing described in it addition, is provided with multiple finger 6, big from described cone-shaped cavity 5 of the length of multiple described fingers 6
Diameter end is gradually increased along the rotation direction of described drive rod 2, and the maximum of the rotational trajectory of each described finger 6 is equal
Identical, to thrash bar 4 and finger 6 forms the threshing space 7 of cleaning cylinder, described threshing space 7 is along the rotation of described drive rod 2
Shaft axis direction is gradually increased, and the length being arranged on the finger 6 thrashed on bar 4 is gradually increased, and during cereal feeding, weight is relatively big,
The length of finger 6 is shorter, and the arm of force is short, and intensity is big, hits cereal good separating effect.Along with going deep into of cereal feeding, cereal weight
Amount is gradually lowered, and the load of bar 4 of thrashing is gradually lowered, and finger 6 length is gradually increased, and increase finger 6 connects with the strike of cereal
Contacting surface, improves the separation of cereal further, improves threshing efficiency, makes the feeding of high yield cereal more smooth and easy.
Further, multiple described fingers 6 be parallel to each other be located at described in thrash on bar 4, each described finger 6 and described bar 4 of thrashing
Between in 0～15 °, in the present embodiment, preferably 10 °, when so making strike, finger root first contacts cereal, gradually to end
End transition, the beneficially stalk separation from finger 6, it is to avoid stalk is wound around on finger 6, improves the transfer efficiency of cereal；With
Time, making finger 6 when rotated, the scope of attack that finger 6 and bar 4 of thrashing are formed is the angle of taper of 0-10 °, hits cereal
Contact surface is big, the beneficially separation of high yield difficulty shelling thing, and the end direction of finger 6 and the conveying direction of cereal are consistent simultaneously, improves
The transfer efficiency of cereal, makes the feeding of high yield cereal more smooth and easy.
Additionally, be provided with peace between described drive rod 2 and described feed roller 1, described drive rod 2 and described grass discharge mechanism 3
Dress disk 8, so can reduce welding, strengthens the intensity of feed roller 1, improves its service life, makes high yield cereal feed
Enter more smooth and easy, discharge rapider.In the present embodiment, the middle part of drive rod 2 arranges installation disk 3 equally, is come by screw
Fixed installation disk 3 and connector, so can increase the moment of torsion born of drive rod 2, improve its service life.
The above embodiments are only the preferred embodiments of the present invention, it is impossible to limit the interest field of the present invention with this, therefore, depend on
The equivalent variations that scope of the present invention patent is made, still belongs to the scope that the present invention is contained.
Claims (7)
1. a harvester cleaning cylinder, including the feed roller (1) being sequentially connected with along cereal conveying direction, drive rod (2)
And grass discharge mechanism (3), this feed roller (1) is conical drum, it is characterised in that equal in described drive rod (2) surrounding
The some bars of thrashing of even distribution (4), described in thrash bar (4) and described drive rod (2) form a cone-shaped cavity (5), described cone
The large-diameter end of shape cavity (5) is positioned at the rearward end of described feed roller (1), and described cone-shaped cavity (5) is from described taper
The large-diameter end of cavity (5) along described drive rod (2) rotation direction extend, described cone-shaped cavity (5) little directly
End, footpath is positioned at the leading section of described grass discharge mechanism (3)；Described bar of thrashing (4) is provided with multiple finger (6), multiple described
The length of finger (6) is from the large-diameter end of described cone-shaped cavity (5) along the rotation direction of described drive rod (2) gradually
Increasing, the maximum of the rotational trajectory of each described finger (6) is the most identical.
A kind of harvester cleaning cylinder the most according to claim 1, it is characterised in that the cone of described cone-shaped cavity (5)
Angle is 0～10 °.
A kind of harvester cleaning cylinder the most according to claim 1, it is characterised in that multiple described fingers (6) are mutual
Parallel be located at described in thrash on bar (4), set in 0～15 ° of inclination between each described finger (6) and described bar of thrashing (4)
Put.
A kind of harvester cleaning cylinder the most according to claim 3, it is characterised in that described in thrash bar (4) and finger
(6) forming the threshing space (7) of cleaning cylinder, described threshing space (7) is along the rotation direction of described drive rod (2)
It is gradually increased.
A kind of harvester cleaning cylinder the most according to claim 1, it is characterised in that described drive rod (2) and described
Installation disk (8) it is equipped with between feed roller (1), described drive rod (2) and described grass discharge mechanism (3).
A kind of harvester cleaning cylinder the most according to claim 1, it is characterised in that described feed roller (1) surface
Being provided with blade (9), described blade (9) extends back twist from the leading section of feed roller (1).
A kind of harvester cleaning cylinder the most according to claim 6, it is characterised in that described blade (9) is provided with removable
The reinforcing plate (10) unloaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610303284.0A CN105850399A (en) | 2016-05-10 | 2016-05-10 | Cleaning cylinder of harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610303284.0A CN105850399A (en) | 2016-05-10 | 2016-05-10 | Cleaning cylinder of harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105850399A true CN105850399A (en) | 2016-08-17 |
Family
ID=56631502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610303284.0A Pending CN105850399A (en) | 2016-05-10 | 2016-05-10 | Cleaning cylinder of harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105850399A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107409642A (en) * | 2017-09-29 | 2017-12-01 | 安顺煜辉经贸有限责任公司 | Secondary thresing machine |
| CN107455096A (en) * | 2017-09-26 | 2017-12-12 | 江苏大学 | A kind of united reaper negative stiffness longitudinally axial flow threshing roller |
| CN108966849A (en) * | 2018-08-30 | 2018-12-11 | 绩溪袁稻农业产业科技有限公司 | A kind of rice threshing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11168959A (en) * | 1997-12-15 | 1999-06-29 | Yanmar Agricult Equip Co Ltd | Threshing apparatus |
| CN2466885Y (en) * | 2001-03-13 | 2001-12-26 | 湖南省农业机械研究所 | Axial-flow cone drum type threshing machine |
| CN102282978A (en) * | 2011-06-23 | 2011-12-21 | 中国水稻研究所 | Longitudinal axial flow threshing device |
| CN203691993U (en) * | 2013-12-30 | 2014-07-09 | 奇瑞重工股份有限公司 | All-in cereal combine harvester threshing cylinder and straw-discharging apparatus |
| CN104365289A (en) * | 2014-02-24 | 2015-02-25 | 约翰迪尔（天津）有限公司 | Threshing and separating device and combine harvester with threshing and separating device |
-
2016
- 2016-05-10 CN CN201610303284.0A patent/CN105850399A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11168959A (en) * | 1997-12-15 | 1999-06-29 | Yanmar Agricult Equip Co Ltd | Threshing apparatus |
| CN2466885Y (en) * | 2001-03-13 | 2001-12-26 | 湖南省农业机械研究所 | Axial-flow cone drum type threshing machine |
| CN102282978A (en) * | 2011-06-23 | 2011-12-21 | 中国水稻研究所 | Longitudinal axial flow threshing device |
| CN203691993U (en) * | 2013-12-30 | 2014-07-09 | 奇瑞重工股份有限公司 | All-in cereal combine harvester threshing cylinder and straw-discharging apparatus |
| CN104365289A (en) * | 2014-02-24 | 2015-02-25 | 约翰迪尔（天津）有限公司 | Threshing and separating device and combine harvester with threshing and separating device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107455096A (en) * | 2017-09-26 | 2017-12-12 | 江苏大学 | A kind of united reaper negative stiffness longitudinally axial flow threshing roller |
| CN107409642A (en) * | 2017-09-29 | 2017-12-01 | 安顺煜辉经贸有限责任公司 | Secondary thresing machine |
| CN108966849A (en) * | 2018-08-30 | 2018-12-11 | 绩溪袁稻农业产业科技有限公司 | A kind of rice threshing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Bo Inventor after: Hou Yuejun Inventor after: Wang Xuesong Inventor before: Wang Bo Inventor before: Hou Yuejun Inventor before: Wang Xuesong |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |