CN204697550U - A kind of longitudinal axial flow harvester and cleaning plant thereof - Google Patents
A kind of longitudinal axial flow harvester and cleaning plant thereof Download PDFInfo
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- CN204697550U CN204697550U CN201520422013.8U CN201520422013U CN204697550U CN 204697550 U CN204697550 U CN 204697550U CN 201520422013 U CN201520422013 U CN 201520422013U CN 204697550 U CN204697550 U CN 204697550U
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- axial flow
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- flow harvester
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Abstract
The utility model relates to a kind of cleaning plant of longitudinal axial flow harvester, and it comprises threshing cylinder, concave grate, vibratory sieve and front end fan; Described threshing cylinder is the low early and high after top being arranged at described vibratory sieve obliquely, and the rear portion between described concave grate and described vibratory sieve arranges attraction blower fan.This cleaning plant structure is simple, while improve threshing efficiency, improves and cleans quality.Longitudinal axial flow harvester comprises above-mentioned cleaning plant, grain header complete machine is run more steady.
Description
Technical field
The utility model relates to technical field of agricultural machinery, particularly a kind of longitudinal axial flow harvester and cleaning plant thereof.
Background technology
The cleaning plant of existing longitudinal axial flow harvester generally includes horizontally disposed threshing cylinder, ladle cover coordinates in threshing cylinder is outer the concave grate forming threshing chamber with top cover, be arranged at the vibratory sieve below concave grate, and be arranged at the front end fan between concave grate and vibratory sieve.Usually, the threshing cylinder of this cleaning plant is shorter, and the air channel of front end fan extends to vibratory sieve from front end fan, and the dust foreign material fallen from vibratory sieve rear portion just can be blown easily, but also cereal can be blown to field and cause damage.In order to avoid above-mentioned loss, and make Threshing more thorough, and lengthen the setting of threshing cylinder, the air channel of front end fan can only extend to the postmedian of vibratory sieve from front end fan, wind-force is also difficult to continue to extend, and such dust foreign material are difficult to thorough separation with cereal, and grain clear cleanliness is lower.Therefore, the situation that cleaning plant ubiquity grain clear cleanliness is lower and Grain Loss rate is larger of existing longitudinal axial flow harvester.
Summary of the invention
The technical problems to be solved in the utility model is for above-mentioned deficiency, and provide a kind of structure simple, grain clear cleanliness is high, the cleaning plant that Grain Loss rate the is little and longitudinal axial flow harvester of this cleaning plant is housed.
The utility model is achieved through the following technical solutions:
A cleaning plant for longitudinal axial flow harvester, it comprises threshing cylinder, concave grate, vibratory sieve and front end fan; Described threshing cylinder is the low early and high after top being arranged at described vibratory sieve obliquely, and the rear portion between described concave grate and described vibratory sieve arranges attraction blower fan.
Further, the cleaning plant of described a kind of longitudinal axial flow harvester, the angle of inclination of the relatively described vibratory sieve of described threshing cylinder is 1 °-15 °.
Further, the cleaning plant of described a kind of longitudinal axial flow harvester, described threshing cylinder comprises:
Drum shaft, is connected to drive unit;
Roller cone, be arranged at described drum shaft front end, and its center is passed by described drum shaft;
Threshing toothed bar, is axially distributed in around described drum shaft, and from front to back in gradually arranging from described drum shaft.
Further, the cleaning plant of described a kind of longitudinal axial flow harvester, described threshing toothed bar arranges some threshing tooths.
Further, the cleaning plant of described a kind of longitudinal axial flow harvester, some described threshing tooths are uniformly distributed on described threshing toothed bar, and from front to back in gradually short setting.
Further, the cleaning plant of described a kind of longitudinal axial flow harvester, the movement locus equal diameters of some described threshing tooths.
Further, the cleaning plant of described a kind of longitudinal axial flow harvester, states threshing cylinder and also comprises side plates on cable reel, and some described side plates on cable reels are distributed on described drum shaft, the center of each described side plates on cable reel is passed by described drum shaft, and is connected to some described threshing toothed bars.
Further, the cleaning plant of described a kind of longitudinal axial flow harvester, described concave grate is made up of some concave grate sections of removably connecting successively of head and the tail vertically, and concave grate section described in each to be removably connected by downside by two panels Turbogrid plates symmetrical in the width direction and forms.
Further, the cleaning plant of described a kind of longitudinal axial flow harvester, described attraction blower fan comprises fan shaft, blade and flange; Some described flange are distributed on described fan shaft, and are passed by described fan shaft center; Some described blade circumferences are evenly arranged between two adjacent described flange.
A kind of longitudinal axial flow harvester, this grain header comprises the cleaning plant described in above-mentioned any one.
Advantage of the present utility model and effect are:
1. the cleaning plant that the utility model provides adopts threshing cylinder to be obliquely installed, and arranges attraction blower fan between concave grate and vibratory sieve, forms two air channels that can be connected, while increasing threshing space, improve the cleannes of cleaning cereal with front end fan.
2. the cleaning plant that the utility model provides adopts threshing toothed bar in gradually arranging from drum shaft, makes threshing chamber extended length, increases shelling length, improve and clean quality.
3. the cleaning plant that the utility model provides adopts threshing toothed bar in gradually arranging from drum shaft, and threshing tooth can be gradually short setting, reasonably can use and do hard, make the overbreak of the unlikely strike of paddy bar, make paddy bar more fluffy, reduce cereal percentage of damage, save the energy.
4. the cleaning plant that the utility model provides adopts the concave grate of segmentation, and sectional is changed, and is convenient to maintenance and repair, can reduces costs.
5. the longitudinal axial flow harvester that the utility model provides comprises above-mentioned cleaning plant, grain header complete machine is run more steady, while improve threshing efficiency, improves and clean quality.
Accompanying drawing explanation
Fig. 1 illustrates the structural representation of the cleaning plant that embodiment 1 of the present utility model provides;
Fig. 2 illustrates the structural representation of the threshing cylinder of the cleaning plant that embodiment 1 of the present utility model provides;
Fig. 3 illustrates the structural representation of the concave grate section of the cleaning plant that embodiment 1 of the present utility model provides;
Fig. 4 illustrates the left view of Fig. 3;
Fig. 5 illustrates the structural representation of the attraction blower fan of the cleaning plant that embodiment 1 of the present utility model provides;
Fig. 6 illustrates the structural representation of the longitudinal axial flow harvester of the cleaning plant that embodiment 2 of the present utility model provides.
Description of reference numerals: 1-threshing cylinder, 11-drum shaft, 12-roller cone, 13-threshing toothed bar, 14-threshing tooth, 15-side plates on cable reel, 2-concave grate, 21-concave grate section, 22-Turbogrid plates, 23-hole, 3-vibratory sieve, 4-front end fan, 5-attract blower fan, 51-fan shaft, 52-flange, 53-blade, 100-cleaning plant.
Embodiment
The object implemented for making the utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technical scheme in the utility model embodiment.Described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those skilled in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail:
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
Embodiment 1:
Fig. 1 illustrates the structural representation of the cleaning plant that embodiment 1 of the present utility model provides.This cleaning plant 100 comprises threshing cylinder 1, concave grate 2, vibratory sieve 3 and front end fan 4.Vibratory sieve 3 is conventional levels setting, threshing cylinder 1 is in the low early and high after top being arranged at vibratory sieve 3 obliquely, concave grate 2 ladle cover is outside threshing cylinder 1, and namely concave grate 3 coordinates with top cover (not shown) the threshing chamber forming low early and high after inclination.Above-mentioned incline structure increases threshing space, makes the increased resident time of cereal in threshing chamber, paddy bar is separated more thorough.Preferably, the angle of inclination of threshing cylinder 1 Relative Vibration sieve 3 is 1 °-15 °, and angle of inclination is larger, and threshing space is larger.Front end fan 4 routine is arranged at the front end between concave grate 2 and vibratory sieve 3, and the rear portion between vibratory sieve 3 and the concave grate 2 tilted arranges and attracts blower fan 5.When cleaning work, front end fan 4 forms the first air channel of the postmedian from front end fan 4 to vibratory sieve 3, attract blower fan 5 to be formed from the postmedian of vibratory sieve 3 to the second air channel attracting blower fan 5, and the first air channel and the second air channel connect the two air channels being formed and can be connected.Dust foreign material pass through the first air channel under the effect of front end fan 4, then fall into field by the second air channel under the effect attracting blower fan 5, improve the cleannes of cleaning cereal.
Fig. 2 illustrates the structural representation of the threshing cylinder of the cleaning plant that embodiment 1 of the present utility model provides.Threshing cylinder 1 comprises drum shaft 11, roller cone 12, threshing toothed bar 13 and side plates on cable reel 15.Drum shaft 11 routine is connected to drive unit (not shown), inputs for power.Roller cone 12 is arranged at the front end of drum shaft 11, and its center is passed by drum shaft 11, for feeding grain straw.Threshing toothed bar 13 is several, and some threshing toothed bars 13 are axially uniformly distributed in drum shaft 11 around, and from front to back in gradually arranging from drum shaft 11.Side plates on cable reel 15 is several, and some side plates on cable reels 15 are uniformly distributed on drum shaft 11, and is passed by drum shaft 11 center, and the periphery of each side plates on cable reel 15 is fixedly connected on some threshing toothed bars 13.Particularly, roller cone 12 is for being similar to the shape of round platform, one end of some threshing toothed bars 13 is approximately perpendicularly connected to the bottom surface of roller cone 12 vertically, the other end extends to the direction gradually from drum shaft 11, each point on the central shaft of i.e. threshing toothed bar 13 increases from front to back gradually to the distance of drum shaft 11, some threshing toothed bars 13 are scattered in the large truncated cone-shaped structure in little rear end, a front end, some side plates on cable reels 15 support some threshing toothed bars, and the circumference of a rear side plates on cable reel is greater than adjacent last side plates on cable reel.Each threshing toothed bar 13 arranges some threshing tooths 14, and some threshing tooths 14 are uniformly distributed on threshing toothed bar 13, and from front to back in gradually short setting.Particularly, some threshing tooths 14 are evenly approximately perpendicularly fixed in the outside of threshing toothed bar 13, and are positioned at the radial direction of drum shaft 11, and the length of a rear threshing tooth is less than the length of adjacent last threshing tooth.When cleaning work, threshing chamber is entered at the beginning of paddy bar, required hitting dynamics is maximum, when being discharged, required hitting dynamics is minimum, reasonably can be used by mode threshing tooth 14 being set to gradual change and do hard, to make the overbreak of the unlikely strike of paddy bar, make paddy bar more fluffy, reasonable acting, economize energy.Preferably, when cleaning work, some threshing tooths 14 move with threshing toothed bar 13, the equal diameters of the tip motions track of some threshing tooths 14.
Fig. 3,4 illustrates the structural representation of the concave grate section of the cleaning plant that embodiment 1 of the present utility model provides.Concave grate 2 is subsection setup, and it is made up of the some concave grate sections 21 that removably connect successively of axis head and the tail along threshing cylinder 1, and each concave grate section 21 to be removably connected by downside by two panels Turbogrid plates 22 symmetrical in the width direction and forms.When concave grate is damaged, sectional is changed, and is convenient to maintenance and repair, can reduces costs.Particularly, Turbogrid plates 22 are arc, and providing holes 23 on the downside of it, for removably connecting by bolt.
Fig. 5 illustrates the structural representation of the attraction blower fan of the cleaning plant that embodiment 1 of the present utility model provides.Blower fan 5 is attracted to comprise fan shaft 51, blade 52 and flange 53.Flange 53 is several, and some flange 53 are distributed on fan shaft 51, and is passed by fan shaft 51 center, fan shaft 51 by transmission of power to flange 53.Blade 52 is several, and some blade 52 circumferences are evenly arranged between two adjacent flange 53, and some flange 53 drive some blades 52 to move formation second air channel, and the first air channel formed with front end fan 4 is connected.
Embodiment 2:
Fig. 6 illustrates the structural representation of the longitudinal axial flow harvester of the cleaning plant that embodiment 2 of the present utility model provides.This grain header comprises the cleaning plant 100 of above-described embodiment, grain header complete machine is run more steady, improves threshing efficiency.
Above embodiment, only in order to the technical solution of the utility model to be described, is not used for limiting practical range of the present utility model.In every case the equivalence change done in protection domain of the present utility model and modification, all should think and fall in protection domain of the present utility model.
Claims (10)
1. a cleaning plant for longitudinal axial flow harvester, it comprises threshing cylinder, concave grate, vibratory sieve and front end fan; It is characterized in that, described threshing cylinder is the low early and high after top being arranged at described vibratory sieve obliquely, and the rear portion between described concave grate and described vibratory sieve arranges attraction blower fan.
2. the cleaning plant of a kind of longitudinal axial flow harvester according to claim 1, is characterized in that, the angle of inclination of the relatively described vibratory sieve of described threshing cylinder is 1 °-15 °.
3. the cleaning plant of a kind of longitudinal axial flow harvester according to claim 1 and 2, is characterized in that, described threshing cylinder comprises:
Drum shaft, is connected to drive unit;
Roller cone, be arranged at described drum shaft front end, and its center is passed by described drum shaft;
Threshing toothed bar, is axially distributed in around described drum shaft, and from front to back in gradually arranging from described drum shaft.
4. the cleaning plant of a kind of longitudinal axial flow harvester according to claim 3, is characterized in that, described threshing toothed bar arranges some threshing tooths.
5. the cleaning plant of a kind of longitudinal axial flow harvester according to claim 4, is characterized in that, some described threshing tooths are uniformly distributed on described threshing toothed bar, and from front to back in gradually short setting.
6. the cleaning plant of a kind of longitudinal axial flow harvester according to claim 5, is characterized in that, the movement locus equal diameters of some described threshing tooths.
7. the cleaning plant of a kind of longitudinal axial flow harvester according to claim 3, it is characterized in that, state threshing cylinder and also comprise side plates on cable reel, some described side plates on cable reels are distributed on described drum shaft, the center of each described side plates on cable reel is passed by described drum shaft, and is connected to some described threshing toothed bars.
8. the cleaning plant of a kind of longitudinal axial flow harvester according to claim 1 and 2, it is characterized in that, described concave grate is made up of some concave grate sections of removably connecting successively of head and the tail vertically, and concave grate section described in each to be removably connected by downside by two panels Turbogrid plates symmetrical in the width direction and forms.
9. the cleaning plant of a kind of longitudinal axial flow harvester according to claim 1 and 2, is characterized in that, described attraction blower fan comprises fan shaft, blade and flange; Some described flange are distributed on described fan shaft, and are passed by described fan shaft center; Some described blade circumferences are evenly arranged between two adjacent described flange.
10. a longitudinal axial flow harvester, is characterized in that, this grain header comprises the cleaning plant described in any one of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520422013.8U CN204697550U (en) | 2015-06-17 | 2015-06-17 | A kind of longitudinal axial flow harvester and cleaning plant thereof |
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| CN201520422013.8U CN204697550U (en) | 2015-06-17 | 2015-06-17 | A kind of longitudinal axial flow harvester and cleaning plant thereof |
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| CN204697550U true CN204697550U (en) | 2015-10-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20160803 Address after: 242400, No. 8 Zhou Yu Road, Nanling Economic Development Zone, Wuhu, Anhui Patentee after: Nanling Zoomlion Machine Co. Ltd. Address before: 241080 Anhui province Wuhu City mountain Economic Development Zone E Xi Road No. 16 Patentee before: ZOOMLION HEAVY MACHINERY CO., LTD. |