CN102893768A - Combine harvester and cleaning and separating device thereof - Google Patents
Combine harvester and cleaning and separating device thereof Download PDFInfo
- Publication number
- CN102893768A CN102893768A CN2012104237854A CN201210423785A CN102893768A CN 102893768 A CN102893768 A CN 102893768A CN 2012104237854 A CN2012104237854 A CN 2012104237854A CN 201210423785 A CN201210423785 A CN 201210423785A CN 102893768 A CN102893768 A CN 102893768A
- Authority
- CN
- China
- Prior art keywords
- precleaning
- cleaning
- foreign material
- cleaning plant
- air channel
- 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
Links
Images
Landscapes
- Threshing Machine Elements (AREA)
Abstract
The invention relates to a combine harvester and a cleaning and separating device thereof. The cleaning and separating device used for the combine harvester comprises a threshing chamber and a tossing board arranged below the threshing chamber and used for conveying corresponding seeds and impurities from front to back, wherein cleaning and separating sieves are arranged below the rear side of the tossing board; the cleaning and separating device further comprises a pre-cleaning and separating unit which comprises a pre-cleaning and separating air duct extending along the fore-and-aft guiding direction formed by space where the corresponding seeds and impurities fall between the threshing chamber and the tossing board, a pre-cleaning and separating fan used for blowing wind into the pre-cleaning and separating air duct is arranged at the front end of the pre-cleaning and separating air duct, and a suction fan used for conveying the impurities blown by the pre-cleaning and separating fan out of the pre-cleaning and separating device is arranged above the rear end of the pre-cleaning and separating fan. The invention provides the cleaning and separating device used for the combine harvester capable of reducing the specific weight of bran, straws and other impurities on the cleaning and separating sieves while the feeding amount is guaranteed.
Description
Technical field
The present invention relates to combine and cleaning plant thereof.
Background technology
The cleaning plant of combine is a very important part of combine, and the percent of loss of the size of combine feed quantity, harvesting crop, cleaning filter all have very large relation with the cleaning plant of combine.Existing cleaning plant such as Chinese patent CN 201467725U open " a kind of segmented selecting device for combine harvester ", comprise threshing chamber and be arranged at the shuttle board of threshing chamber below, through the seed of threshing chamber threshing and other foreign material by shuttle board conveying from front to back, the rear side of shuttle board is provided with sorting screen, the downside of sorting screen is provided with the cleaning fan that is blown out by cleaning plant for lighter foreign material such as the chaff on the sorting screen, stalks, drops in the cleaning room of sorting screen below in the corresponding heavier sieve aperture of seed by sorting screen.
During work; after cut crop enters threshing chamber; long stalk is discharged cleaning plant by corresponding outlet; seed, chaff and short stalk etc. can be fallen on the shuttle board below the threshing chamber; then seed, chaff and short stalk are delivered on the sorting screen by shuttle board; cleaning fan blows out cleaning plant with lighter foreign material such as chaff, stalks, and heavier seed can drop in the cleaning room in the sieve aperture by sorting screen.The problem that existing cleaning plant exists is: when seed, chaff and short stalk are cleaned on sorting screen, chaff and short stalk occupy larger proportion, this just causes cleaning of cleaning plant limited in one's ability, too large feed quantity can not be arranged, affect the harvesting ability of grain header, because if feed quantity is larger, the chaff and the stalk that are on the sorting screen are more, chaff and stalk can not in time be blown out by cleaning fan, and the sieve aperture of sorting screen will be piled up and stop up to chaff and stalk; If increase the harvesting ability of grain header by increasing grain header complete machine size, this grain header can only be applicable to the bulk ground harvesting of northwest and the Northeast, and practicality is low, and machine volume is larger, and handling capacity is poor, and cost of manufacture is high.
Summary of the invention
The object of the present invention is to provide a kind ofly when guaranteeing feed quantity, can reduce the cleaning and separating apparatus for combine-harvester of the foreign material proportions such as chaff on the sorting screen and stalk; The present invention also aims to provide a kind of combine that uses above-mentioned cleaning plant.
In order to address the above problem, the technical scheme of cleaning plant is among the present invention:
Cleaning and separating apparatus for combine-harvester, comprise that being used for that threshing chamber and below thereof arrange carry corresponding seed from front to back, the shuttle board of foreign material, the rear side below of described shuttle board is provided with sorting screen, described cleaning plant also comprises the precleaning unit, described precleaning unit comprises by the corresponding seed of confession between described disengaging chamber and the described shuttle board, foreign material fall through formed precleaning air channel, space, the front end in described precleaning air channel is provided with the precleaning blower fan of blowing for to described precleaning air channel, and the upper position, rear end in described precleaning air channel is provided with for being delivered to by the foreign material that the precleaning blower fan blows the induced-draught fan of cleaning plant outside.
Be provided with baffle plate between described induced-draught fan and the described shuttle board, the front end face of described baffle plate be formed for cooperating with the spacing guiding of seed, foreign material that is blowed by described precleaning blower fan and corresponding seed is led downwards carry and drop down onto on the shuttle board, make corresponding foreign material upwards guiding be delivered to the spigot surface at the place, inlet scoop of described induced-draught fan, the front end face of described baffle plate is perpendicular to fore-and-aft direction.
The rear end in described precleaning air channel is provided with that front end communicates with the air outlet of described induced-draught fan, the foreign material transfer passage of the exterior of rear end and described cleaning plant.
The technical scheme of combine is among the present invention:
Combine, comprise cleaning plant, described cleaning plant comprises that being used for that threshing chamber and below thereof arrange carry corresponding seed from front to back, the shuttle board of foreign material, the rear side below of described shuttle board is provided with sorting screen, described cleaning plant also comprises the precleaning unit, described precleaning unit comprises by the corresponding seed of confession between described disengaging chamber and the described shuttle board, foreign material fall through formed precleaning air channel, space, the front end in described precleaning air channel is provided with the precleaning blower fan of blowing for to described precleaning air channel, and the upper position, rear end in described precleaning air channel is provided with for being delivered to by the foreign material that the precleaning blower fan blows the induced-draught fan of cleaning plant outside.
Be provided with baffle plate between described induced-draught fan and the described shuttle board, the front end face of described baffle plate be formed for cooperating with the spacing guiding of seed, foreign material that is blowed by described precleaning blower fan and corresponding seed is led downwards carry and drop down onto on the shuttle board, make corresponding foreign material upwards guiding be delivered to the spigot surface at the place, inlet scoop of described induced-draught fan, the front end face of described baffle plate is perpendicular to fore-and-aft direction.
The rear end in described precleaning air channel is provided with that front end communicates with the air outlet of described induced-draught fan, the foreign material transfer passage of the exterior of rear end and described cleaning plant.
Beneficial effect of the present invention is: seed, foreign material drop down onto in the process of shuttle board through the precleaning air channel along the vertical direction, because the effect of precleaning blower fan, most of foreign material can be blowed backward along the precleaning air channel, only have the foreign material of fraction can fall on the shuttle board and by shuttle board by rear to front conveying; The foreign material meeting induced-draught fan that is blowed backward is delivered to the outside of cleaning plant.Only have like this foreign material of fraction to be delivered on the corresponding sorting screen by shuttle board, after increasing the feed quantity of cleaning plant, can not pile up too many foreign material on the sorting screen, the sieve aperture of sorting screen can not stop up yet, can guarantee the ability of cleaning of cleaning plant, Lou grain phenomenon also can not occur cleaning simultaneously.
Further, between shuttle board and induced-draught fan baffle plate is set, the foreign material that blowed by the precleaning blower fan are blocked by baffle plate first, are mixed in the heavier seed of weight in the foreign material and lead downwards along baffle plate and carry and finally drop down onto on the shuttle board; The lighter foreign material of weight under the effect of wind-force along baffle plate upwards guiding carry, the induced-draught fan of high speed rotating can make foreign material be delivered to the outside of cleaning plant along the precleaning air channel, by the use of baffle plate, increased the precleaning effect of foreign material, guaranteed that seed is not fallen by precleaning.
Description of drawings
Fig. 1 is the structural representation of cleaning plant among the combine embodiment of the present invention, also is the structural representation of cleaning plant embodiment among the present invention simultaneously.
Embodiment
The embodiment of combine is as shown in Figure 1: comprise cleaning plant and the ceding of Taiwan etc., cleaning plant comprises the shuttle board 2 that is used for carrying from front to back corresponding seed, foreign material that threshing chamber 4 and below thereof arrange, and foreign material refer to chaff, stalk etc.The rear side of shuttle board 2 is provided with the sorting screen 8 with sieve aperture, and the downside of sorting screen 8 is provided with the secondary cleaning fan 3 that is blown out by cleaning plant for corresponding foreign material.Cleaning plant also comprises the precleaning unit, the precleaning unit comprise by break away from chamber 4 and the corresponding seed of confession, foreign material between the shuttle board 2 fall through the guide direction that forms of space along the precleaning air channel 11 of fore-and-aft direction extension, the rear end in precleaning air channel 11 is provided with foreign material transfer passage 10, foreign material transfer passage 10 the rear end and the exterior of cleaning plant.The front end in precleaning air channel 11 is provided with the precleaning blower fan 1 that corresponding seed, foreign material is blowed from front to back for the process that drops down onto along the vertical direction shuttle board at corresponding seed, foreign material through the precleaning air channel, the upper position, rear end in precleaning air channel is provided with for being delivered to by the foreign material that the precleaning blower fan blows the induced-draught fan 7 of cleaning plant outside, and the air outlet of induced-draught fan communicates with the front end of foreign material transfer passage.Be provided with baffle plate 6 between induced-draught fan 7 and the shuttle board 2, the front end face of baffle plate 6 be formed for cooperating with the seed that is blowed by the precleaning blower fan, the spacing guiding of foreign material and corresponding seed is led downwards carry and drop down onto on the shuttle board, make corresponding foreign material upwards guiding be delivered to the spigot surface at the place, inlet scoop of described induced-draught fan, the front end face of baffle plate is perpendicular to fore-and-aft direction.Part 9 expression cleaning rooms among the figure; Part 5 expression cleaning room drain pans.
During work; combine is being sent into threshing chamber 4 by the harvesting crop; long stalk is discharged cleaning plant by threshing chamber 4; seed; chaff and short stalk can by through the corresponding outlet of threshing chamber 4 to the whereabouts; at seed; chaff and short stalk fall in the process in precleaning air channel 11; under the effect of precleaning blower fan 1; chaff and the stalk of most of (70 ~ 80%) can not drop on the shuttle board 2; but the rear that blows to precleaning air channel 11 that is suspended; when chaff moves to baffle plate 6 place with short stalk; because the spacing guide effect of baffle plate 6; heavier seed can be by guiding conveying downwards; chaff and short stalk then can upwards be led is delivered to induced-draught fan, and the induced-draught fan 6 of high speed rotating is with outside chaff and the stalk sucking-off cleaning plant.So just guaranteed to only have the chaff of small part and stalk to be delivered on the sorting screen through shuttle board, then by the secondary cleaning fan with the small part chaff on the sorting screen and stalk by blowing out in the cleaning plant.After increasing feed quantity, sieve aperture not piled up and be stopped up to the chaff on the sorting screen and stalk can yet, guaranteed the ability of cleaning of cleaning plant.After using the cleaning plant in the present embodiment, 1, the ability of cleaning increases substantially, and do not change original combine and cleans on the basis of area, the ability of cleaning increases more than 1.5 times; 2, can satisfy the requirement of cleaning of large feed quantity harvesting, feed quantity reaches 6-8 kg/s from 2 ~ 3 kg/s, and harvesting efficiency improves greatly; 3, cost of manufacture is lower, only increases a precleaning blower fan and an induced-draught fan gets final product on medium and small combine; 4, basically formed grain and walked the way to move grains, chaff is walked the chaff road, and sorting screen surface never stops up, piles up, and greatly reduces cleaning loss; 5, adaptability, the trafficability characteristic of complete machine have been improved, cost performance.
In other embodiment of this combine: baffle plate can not have yet, and can directly by induced-draught fan send cleaning plant through the foreign material that the precleaning blower fan blows this moment.
The embodiment of cleaning and separating apparatus for combine-harvester is as shown in Figure 1: the cleaning plant described in the concrete structure of cleaning plant such as above-mentioned each combine embodiment is not described in detail in this.
Claims (6)
1. cleaning and separating apparatus for combine-harvester, comprise that being used for that threshing chamber and below thereof arrange carry corresponding seed from front to back, the shuttle board of foreign material, the rear side below of described shuttle board is provided with sorting screen, it is characterized in that: described cleaning plant also comprises the precleaning unit, described precleaning unit comprises by the corresponding seed of confession between described disengaging chamber and the described shuttle board, foreign material fall through the formed guide direction in space along precleaning air channel that fore-and-aft direction extends, the front end in described precleaning air channel is provided with the precleaning blower fan of blowing for to described precleaning air channel, and the upper position, rear end in described precleaning air channel is provided with for being delivered to by the foreign material that the precleaning blower fan blows the induced-draught fan of cleaning plant outside.
2. cleaning plant according to claim 1, it is characterized in that: be provided with baffle plate between described induced-draught fan and the described shuttle board, the front end face of described baffle plate be formed for cooperating with the spacing guiding of seed, foreign material that is blowed by described precleaning blower fan and corresponding seed is led downwards carry and drop down onto on the shuttle board, make corresponding foreign material upwards guiding be delivered to the spigot surface at the place, inlet scoop of described induced-draught fan, the front end face of described baffle plate is perpendicular to fore-and-aft direction.
3. cleaning plant according to claim 1 and 2 is characterized in that: the rear end in described precleaning air channel is provided with that front end communicates with the air outlet of described induced-draught fan, the foreign material transfer passage of the exterior of rear end and described cleaning plant.
4. combine, comprise cleaning plant, described cleaning plant comprises that being used for that threshing chamber and below thereof arrange carry corresponding seed from front to back, the shuttle board of foreign material, the rear side below of described shuttle board is provided with sorting screen, it is characterized in that: described cleaning plant also comprises the precleaning unit, described precleaning unit comprises by the corresponding seed of confession between described disengaging chamber and the described shuttle board, foreign material fall through the formed guide direction in space along precleaning air channel that fore-and-aft direction extends, the front end in described precleaning air channel is provided with the precleaning blower fan of blowing for to described precleaning air channel, and the upper position, rear end in described precleaning air channel is provided with for being delivered to by the foreign material that the precleaning blower fan blows the induced-draught fan of cleaning plant outside.
5. combine according to claim 4, it is characterized in that: be provided with baffle plate between described induced-draught fan and the described shuttle board, the front end face of described baffle plate be formed for cooperating with the spacing guiding of seed, foreign material that is blowed by described precleaning blower fan and corresponding seed is led downwards carry and drop down onto on the shuttle board, make corresponding foreign material upwards guiding be delivered to the spigot surface at the place, inlet scoop of described induced-draught fan, the front end face of described baffle plate is perpendicular to fore-and-aft direction.
6. it is characterized in that according to claim 4 or 5 described combines: the rear end in described precleaning air channel is provided with that front end communicates with the air outlet of described induced-draught fan, the foreign material transfer passage of the exterior of rear end and described cleaning plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104237854A CN102893768A (en) | 2012-10-30 | 2012-10-30 | Combine harvester and cleaning and separating device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104237854A CN102893768A (en) | 2012-10-30 | 2012-10-30 | Combine harvester and cleaning and separating device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102893768A true CN102893768A (en) | 2013-01-30 |
Family
ID=47566491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104237854A Pending CN102893768A (en) | 2012-10-30 | 2012-10-30 | Combine harvester and cleaning and separating device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102893768A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103518497A (en) * | 2013-10-23 | 2014-01-22 | 韶关市丰一工贸有限公司 | Blowing type lifting separating device for combine harvester |
| CN104855056A (en) * | 2015-06-17 | 2015-08-26 | 中联重机股份有限公司 | Longitudinal axial flow harvesting machine and cleaning device thereof |
| CN106068957A (en) * | 2016-07-19 | 2016-11-09 | 河南德昌机械制造有限公司 | Crops fruit cleaning plant |
| CN107278502A (en) * | 2016-04-03 | 2017-10-24 | 潍坊速博世达农业装备有限公司 | Harvester pre-selection sieve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2317615Y (en) * | 1997-12-11 | 1999-05-12 | 尚清安 | Small-sized combine-harvester for beans and wheat |
| CN2733862Y (en) * | 2004-07-02 | 2005-10-19 | 新疆新联科技有限责任公司 | Improved horizontal axial flow combine harvester |
| CN2741344Y (en) * | 2004-08-14 | 2005-11-23 | 河北宣工福田重工有限公司 | Cleaning and selecting device for improved combine |
| CN201592169U (en) * | 2009-11-24 | 2010-09-29 | 陶爱庄 | Winnowing cleaning screen |
| CN202873373U (en) * | 2012-10-30 | 2013-04-17 | 郑州中联收获机械有限公司 | Combine-harvester and cleaning device thereof |
-
2012
- 2012-10-30 CN CN2012104237854A patent/CN102893768A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2317615Y (en) * | 1997-12-11 | 1999-05-12 | 尚清安 | Small-sized combine-harvester for beans and wheat |
| CN2733862Y (en) * | 2004-07-02 | 2005-10-19 | 新疆新联科技有限责任公司 | Improved horizontal axial flow combine harvester |
| CN2741344Y (en) * | 2004-08-14 | 2005-11-23 | 河北宣工福田重工有限公司 | Cleaning and selecting device for improved combine |
| CN201592169U (en) * | 2009-11-24 | 2010-09-29 | 陶爱庄 | Winnowing cleaning screen |
| CN202873373U (en) * | 2012-10-30 | 2013-04-17 | 郑州中联收获机械有限公司 | Combine-harvester and cleaning device thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103518497A (en) * | 2013-10-23 | 2014-01-22 | 韶关市丰一工贸有限公司 | Blowing type lifting separating device for combine harvester |
| CN104855056A (en) * | 2015-06-17 | 2015-08-26 | 中联重机股份有限公司 | Longitudinal axial flow harvesting machine and cleaning device thereof |
| CN107278502A (en) * | 2016-04-03 | 2017-10-24 | 潍坊速博世达农业装备有限公司 | Harvester pre-selection sieve |
| CN106068957A (en) * | 2016-07-19 | 2016-11-09 | 河南德昌机械制造有限公司 | Crops fruit cleaning plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202873373U (en) | Combine-harvester and cleaning device thereof | |
| CN102860182B (en) | Cut vertical stream threshing separating cleaner | |
| CN202773468U (en) | Longitudinal flow cutting threshing separation cleaning device | |
| CN106862075A (en) | One kind picks up material conveying integrated formula mechanism | |
| CN103518489A (en) | Method and device for collecting field falling grains of oilseed rape combine harvester | |
| CN102893768A (en) | Combine harvester and cleaning and separating device thereof | |
| CN209334217U (en) | A kind of crops fugitive dust device | |
| CN107931133A (en) | The one multistage pneumatic separation equipment for growing tobacco selected removal of impurities | |
| CN105414026A (en) | Self-flowing type winnowing gain cleaning device | |
| CN205628606U (en) | Vertical grain transport dust pelletizing system | |
| CN109396045A (en) | A kind of crops fugitive dust device | |
| CN212520011U (en) | Weed seed capturing and separating device of rice and wheat field harvester | |
| CN205361963U (en) | Clear grain ware of gravity flow selection by winnowing | |
| CN107138413A (en) | A kind of special impurity removing equipment of corn | |
| CN103250524B (en) | Grain cleaning and separating device and combine harvester with same | |
| CN203801281U (en) | High-speed non-leakage harvester | |
| CN213001226U (en) | Prickly ash screening machine that threshes | |
| CN2741344Y (en) | Cleaning and selecting device for improved combine | |
| CN2754332Y (en) | Improved separating device of combined harvester | |
| CN210080062U (en) | Material winnowing separator | |
| CN204811094U (en) | A airflow cleaning device for plot harvester | |
| CN207783611U (en) | A kind of more cut flow roller corn threshing cleaning plants | |
| CN112191521A (en) | Agricultural processing is with preventing stifled type navel orange sieving mechanism | |
| CN105519310A (en) | Field glume and straw pickup machine | |
| CN105612940A (en) | Winnowing type precise thresher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130130 |
|
| RJ01 | Rejection of invention patent application after publication |