CN104396460A - Splash-proof threshing barrel of small rice combine harvester - Google Patents
Splash-proof threshing barrel of small rice combine harvester Download PDFInfo
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- CN104396460A CN104396460A CN201410688091.2A CN201410688091A CN104396460A CN 104396460 A CN104396460 A CN 104396460A CN 201410688091 A CN201410688091 A CN 201410688091A CN 104396460 A CN104396460 A CN 104396460A
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- threshing
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Abstract
The invention discloses a splash-proof threshing barrel of a small rice combine harvester. The splash-proof threshing barrel comprises a threshing barrel body and a plurality of rows of threshing teeth extending along the axial direction which are distributed on the surface of the threshing barrel, wherein the threshing teeth are arranged in installation holes in the surface of the threshing barrel; each row of threshing teeth is divided into three groups in sequence from the beginning end to the tail end of the threshing barrel body; the connecting line of circle centers of installation holes of the threshing teeth on the same row is an upwards curve; the connecting line of circle centers of installation holes of the threshing teeth on the same group is a straight line; an included angle between the rotary axes of the first group of the threshing teeth and the central axis of the threshing barrel body is 22-30 degrees; the included angle between the rotary axes of the second group of the threshing teeth and the central axis of the threshing barrel body is 12-17 degrees; and the rotary axes of the third group of the threshing teeth are parallel to the middle axis of the threshing barrel body. Arc-shaped splash-proof plates are uniformly arranged on the front end plate of the threshing barrel body, and the direction of the concave surfaces of the arc-shaped splash-proof plates and the rotary direction of the threshing barrel body are the same. The splash-proof threshing barrel of the small rice combine harvester is good in threshing effect, further capable of achieving the effects of forwards pushing seedlings and suitable for harvesting manure rice, and can be used for preventing splashing.
Description
Technical field
The present invention relates to a kind of small rice combine thrashing cylinder of splashproof.
Background technology
Along with the development of agricultural mechanization, the crawler type rice combine being suitable for hilly country is subject to the favor of local people, at present, the thrashing cylinder of grain header comprises threshing cylindrical shell, threshing cylindrical shell is evenly equipped with threshing tooth, and thrashing cylinder rotates, and is come off by the grain on the seedlings of cereal crops, often there is the sordid problem of threshing in such thrashing cylinder, also there is the problem that threshing tooth can not play the effect advancing straw to advance.In addition, current thrashing cylinder does not generally have the effect of splashproof.
Summary of the invention
For existing problem, the object of the present invention is to provide a kind of splashproof, through threshing, the small rice combine thrashing cylinder of the splashproof that straw advances can be promoted.
To achieve these goals, technical scheme of the present invention is: a kind of small rice combine thrashing cylinder of splashproof, the threshing tooth (2) that the some rows comprising threshing cylindrical shell (1) and be distributed in thrashing cylinder (1) surface extend vertically, described threshing tooth (2) is arranged in the installing hole on threshing cylindrical shell (1) surface, it is characterized in that: often arrange threshing tooth (2) and be divided into three groups from the head end of threshing cylindrical shell (1) successively to tail end, the line in the center of circle of threshing tooth (2) installing hole of same row is curve upwards, the line in the center of circle of threshing tooth (2) installing hole of same group is straight line, wherein the angle (a) of the rotational line of first group of threshing tooth (2) and the axis of threshing cylindrical shell (1) is 22 °-30 °, the angle (b) of the rotational line of second group of threshing tooth (2) and the axis of threshing cylindrical shell (1) is 12 °-17 °, the rotational line of the 3rd group of threshing tooth (2) and the axis parallel of threshing cylindrical shell (1),
The front end-plate of described threshing cylindrical shell (1) is evenly provided with the splash-back (3) of arc, described arc splash-back (3) concave surface facing identical with the direction of rotation of threshing cylindrical shell (1), one end of described splash-back (3) is connected to the position near the end plate center of circle, on the excircle that the other end is connected to end plate described splash-back (3) two ends between line and the axis of threshing cylindrical shell (1) between angle (c) be less than 90 °.
Adopt technique scheme, as shown in Figure 1, the side of thrashing cylinder is provided with conveying mechanism, the root pressure of straw moves on the conveyor and along with the tail end of chain to thrashing cylinder, the middle part of chain is just in time parallel with thrashing cylinder, tend towards stability in the middle part of chain, the tip (fringe) of straw reaches thrashing cylinder and carries out threshing.For ninety percent ripe paddy, when the fringe of the seedlings of cereal crops arrives the front end of thrashing cylinder, first contact with first group of threshing tooth, carry out just threshing, the radian that the rotational line of first group departs from axis is larger, while threshing, also play the effect pushed away in the middle part of thrashing cylinder by straw, when straw arrives in the middle part of thrashing cylinder, herein, most grain is taken off, simultaneously, because the threshing tooth of second group also departs from axis, also the effect pushed away to thrashing cylinder afterbody by straw can be played, when arriving afterbody, the a small amount of grain do not taken off is taken off by last group threshing tooth further, last straw arrives grass crushing mechanism under the effect of conveying mechanism.Line due to the center of circle of the installing hole of the threshing tooth of our same row is curve, the rotational line being equivalent to the threshing tooth of same row is curve, thus can be taken off by the grain on fringe from different perspectives, and Threshing is good, prove through test, essentially no grain on straw out.
For well-done grain, just most grain may be taken off when first group of threshing tooth.At this moment, we arrange splash-back in end, can play the effect of splashproof, and on the other hand, splash-back is arc, and the connecting line of its mounting points departs from the straight line of end plate, plays the effect advanced to thrashing cylinder by the straw of thrashing cylinder end below.
Further: the angle (c) between the axis of the line between the two ends of described splash-back (3) and threshing cylindrical shell (1) is 60 °-85 °.
In technique scheme: the quantity being positioned at two groups of threshing tooths (2) of end is all less than the quantity of the one group of threshing tooth (2) being positioned at middle part.Because middle part is main threshing portion, therefore our quantity of the general tooth arranged is more.
Further: each row has eight threshing tooths (2), and wherein first two is first group, middle four is second group, and two of tail end is the 3rd group.
Further: described threshing cylindrical shell (1) is distributed with nine row's threshing tooths (2), described splash-back (3) is three.Threshing tooth arranged by a splash-back pipe three.
Further: described threshing tooth (2) is n shape tooth, two supporting legs of described threshing tooth (2) are arranged in two installing holes on threshing cylindrical shell (1) surface respectively, the line in the center of circle of the leg mounting hole of the same side of the threshing tooth (2) of same row is curve, and the line in the center of circle of the installing hole of the supporting leg of the both sides of the threshing tooth (2) of same group is parallel.
The invention has the beneficial effects as follows: the threshing tooth of same row does not arrange on the same line by thrashing cylinder of the present invention, the rotational line of two groups departs from axis above, the rotational line of the threshing tooth of same row is made to be curve, from multiple angle, threshing is carried out to the seedlings of cereal crops, Threshing is good, experiment proves on the straw of this thrashing cylinder threshing substantially without grain, in addition, we will depart from axis installation by two groups of threshing tooths above, like this while threshing tooth threshing, the effect that straw is push advance can also be played, splash-back is set, play the effect of splashproof, thrashing cylinder of the present invention is made also to be applicable to the use of well-done paddy.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the expanded view of thrashing cylinder.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described:
Embodiment 1
As shown in Figure 1-2: the small rice combine thrashing cylinder of splashproof of the present invention is made up of threshing cylindrical shell 1, threshing tooth 2 and splash-back 3, and the length of threshing cylindrical shell 1 is less, and we are generally designed to 40-50cm, be applicable to baby combine to use.
At the threshing tooth 2 that the some rows of thrashing cylinder 1 surface distributed extend vertically, here 9 rows are selected, described threshing tooth 2 is arranged in the installing hole on threshing cylindrical shell 1 surface, and described threshing tooth 2 is n shape tooth, comprises two supporting legs, top between two supporting legs is to intermediate, inclined, thus make the length of middle brace rod less, form tip, facilitate threshing, this kind of threshing tooth 2 is prior art, does not also repeat at this.
Often arrange threshing tooth 2 and be divided into three groups from the head end of threshing cylindrical shell 1 successively to tail end, the quantity being generally positioned at two groups of threshing tooths 2 of end is all less than the quantity of the one group of threshing tooth 2 being positioned at middle part.Because generally we gather in when paddy ninety percent is ripe, like this, middle part is main threshing portion, specifically: as Fig. 1: each row has eight threshing tooths 2, wherein first two is first group, and middle four is second group, and two of tail end is the 3rd group.
As shown in Figure 2, the line in the center of circle of the leg mounting hole of the same side of the threshing tooth 2 of same row is curve upwards, the line in the center of circle of the installing hole of the threshing tooth 2 of same group is straight line, and the line in the center of circle of the installing hole of the supporting leg of the both sides of the threshing tooth 2 of same group is parallel.Wherein the rotational line (line in the center of circle of the installing hole of the supporting leg of the same side of first group of threshing tooth 2) of first group of threshing tooth 2 is 22 °-30 ° with the angle a of the axis of threshing cylindrical shell 1, the angle b of the rotational line of second group of threshing tooth 2 and the axis of threshing cylindrical shell 1 is 12 °-17 °, the rotational line of the 3rd group of threshing tooth 2 and the axis parallel of threshing cylindrical shell 1.
The front end-plate of threshing cylindrical shell 1 is evenly provided with the splash-back 3 of arc, selects 3 splash-backs here, be equivalent to splash-back 3 pipe three and arrange threshing tooth 2.One end of splash-back 3 is connected to the position near the end plate center of circle, the other end is connected on the excircle of end plate, arc splash-back 3 concave surface facing identical with the direction of rotation of threshing cylindrical shell 1, so just be equivalent to splash-back 3 when rotated just as a spoon, promote straw to move to threshing cylindrical shell 1, angle c between the axis of the line between the two ends of splash-back 3 and threshing cylindrical shell 1 is less than 90 °, is preferably 60 °-85 °.
Splash-back 3 be arranged so that thrashing cylinder is applicable to gathering in well-done paddy, because well-done paddy just may have most of grain to come off touching threshing tooth, be equivalent to grain major part come off in thrashing cylinder end, if do not arrange splash-back 3, most grain will be had to spill, the simultaneously threshing tooth of we first group and second group and the effect of backward being dialled by the seedlings of cereal crops, the seedlings of cereal crops are lost no time to postmedian, and minimizing spills.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (6)
1. the small rice combine thrashing cylinder of a splashproof, the threshing tooth (2) that the some rows comprising threshing cylindrical shell (1) and be distributed in thrashing cylinder (1) surface extend vertically, described threshing tooth (2) is arranged in the installing hole on threshing cylindrical shell (1) surface, it is characterized in that: often arrange threshing tooth (2) and be divided into three groups from the head end of threshing cylindrical shell (1) successively to tail end, the line in the center of circle of threshing tooth (2) installing hole of same row is curve upwards, the line in the center of circle of threshing tooth (2) installing hole of same group is straight line, wherein the angle (a) of the rotational line of first group of threshing tooth (2) and the axis of threshing cylindrical shell (1) is 22 °-30 °, the angle (b) of the rotational line of second group of threshing tooth (2) and the axis of threshing cylindrical shell (1) is 12 °-17 °, the rotational line of the 3rd group of threshing tooth (2) and the axis parallel of threshing cylindrical shell (1),
The front end-plate of described threshing cylindrical shell (1) is evenly provided with the splash-back (3) of arc, described arc splash-back (3) concave surface facing identical with the direction of rotation of threshing cylindrical shell (1), one end of described splash-back (3) is connected to the position near the end plate center of circle, the other end is connected on the excircle of end plate, and the angle (c) between the axis of the line between the two ends of described splash-back (3) and threshing cylindrical shell (1) is less than 90 °.
2. the small rice combine thrashing cylinder of a kind of splashproof according to claim 1, is characterized in that: the angle (c) between the axis of the line between the two ends of described splash-back (3) and threshing cylindrical shell (1) is 60 °-85 °.
3. a kind of small rice combine thrashing cylinder of splashproof according to claim 1 or 2, is characterized in that: the quantity being positioned at two groups of threshing tooths (2) of end is all less than the quantity of the one group of threshing tooth (2) being positioned at middle part.
4. the small rice combine thrashing cylinder of a kind of splashproof according to claim 3, is characterized in that: each row has eight threshing tooths (2), and wherein first two is first group, and middle four is second group, and two of tail end is the 3rd group.
5. the small rice combine thrashing cylinder of a kind of splashproof according to claim 3, is characterized in that: described threshing cylindrical shell (1) is distributed with nine row's threshing tooths (2), described splash-back (3) is three.
6. the small rice combine thrashing cylinder of a kind of splashproof according to claim 1, it is characterized in that: described threshing tooth (2) is n shape tooth, two supporting legs of described threshing tooth (2) are arranged in two installing holes on threshing cylindrical shell (1) surface respectively, the line in the center of circle of the leg mounting hole of the same side of the threshing tooth (2) of same row is curve, and the line in the center of circle of the installing hole of the supporting leg of the both sides of the threshing tooth (2) of same group is parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410688091.2A CN104396460A (en) | 2014-11-24 | 2014-11-24 | Splash-proof threshing barrel of small rice combine harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410688091.2A CN104396460A (en) | 2014-11-24 | 2014-11-24 | Splash-proof threshing barrel of small rice combine harvester |
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| CN104396460A true CN104396460A (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410688091.2A Pending CN104396460A (en) | 2014-11-24 | 2014-11-24 | Splash-proof threshing barrel of small rice combine harvester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106922315A (en) * | 2017-02-23 | 2017-07-07 | 新疆振隆农机制造有限公司 | A kind of de- seed device and its applied in agricultural machinery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201204830Y (en) * | 2008-05-16 | 2009-03-11 | 江苏大学 | Threshing cylinder of semi-feeding type threshing mechanism |
| WO2009119035A1 (en) * | 2008-03-24 | 2009-10-01 | ヤンマー株式会社 | Grain thresher for combine |
| JP2010011779A (en) * | 2008-07-02 | 2010-01-21 | Yanmar Co Ltd | Threshing part of combine harvester |
| CN203608585U (en) * | 2013-12-19 | 2014-05-28 | 彭开霖 | Staggered threshing roller |
| CN204244760U (en) * | 2014-11-24 | 2015-04-08 | 重庆五谷通用设备有限公司 | The small rice combine thrashing cylinder of splashproof |
-
2014
- 2014-11-24 CN CN201410688091.2A patent/CN104396460A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009119035A1 (en) * | 2008-03-24 | 2009-10-01 | ヤンマー株式会社 | Grain thresher for combine |
| CN201204830Y (en) * | 2008-05-16 | 2009-03-11 | 江苏大学 | Threshing cylinder of semi-feeding type threshing mechanism |
| JP2010011779A (en) * | 2008-07-02 | 2010-01-21 | Yanmar Co Ltd | Threshing part of combine harvester |
| CN203608585U (en) * | 2013-12-19 | 2014-05-28 | 彭开霖 | Staggered threshing roller |
| CN204244760U (en) * | 2014-11-24 | 2015-04-08 | 重庆五谷通用设备有限公司 | The small rice combine thrashing cylinder of splashproof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106922315A (en) * | 2017-02-23 | 2017-07-07 | 新疆振隆农机制造有限公司 | A kind of de- seed device and its applied in agricultural machinery |
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Application publication date: 20150311 |