CN104145621A - Winnowing device for harvesting machine - Google Patents
Winnowing device for harvesting machine Download PDFInfo
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- CN104145621A CN104145621A CN201410359722.6A CN201410359722A CN104145621A CN 104145621 A CN104145621 A CN 104145621A CN 201410359722 A CN201410359722 A CN 201410359722A CN 104145621 A CN104145621 A CN 104145621A
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- air
- leaf
- amplifies
- amplifying
- cambered surface
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Abstract
The invention discloses a winnowing device for a harvesting machine. The winnowing device comprises an air amplifying part, an air conveying pipeline and an air pump. The winnowing device is characterized in that the air amplifying part comprises air amplifying blades, an amplifying blade left vertical plate and an amplifying blade right vertical plate. The air conveying pipeline comprises an air inlet hose, a quick change connector and an air supply hose. The air amplifying blades are mounted between the amplifying blade left vertical plate and the amplifying blade right vertical plate. The number and connecting manners of the air amplifying blades are unlimited. The air amplifying blades are mounted at a position of an original fan. The amplifying blade left vertical plate is of a hollow structure inside. Air inlet through holes communicated with the air amplifying blades are formed in the inner side of the amplifying blade left vertical plate. A pipeline connector is disposed on the outer side of the amplifying blade left vertical plate. One end of the air inlet hose of the air conveying pipeline is connected with the pipeline connector, and the other end thereof is connected with one end of the fast change connector in a matched manner. The other end of the fast change connector is connected with the air supply hose of the air conveying pipeline in a matched manner. The air supply hose is connected with the air pump in a matched manner.
Description
Technical field
The present invention relates to field of agricultural machinery, specifically a kind of grain header pneumatic separation device.
Background technology
The selection by winnowing of existing grain header mainly realizes by blower fan.General blower fan is mainly made up of blade, wheel hub and axle, promotes flowing of surrounding air, thereby reach the object of cleaning in time cereal by the rotation of blade; And grain header limited space, if the size of blower fan increases, shared grain header internal volume increases, will cause sorting screen area to reduce, make to clean cereal amount and be less than grain header feed quantity, cereal percentage of impurity is higher, go out paddy quality and do not reach professional standard, straw impurity easily stops up outlet simultaneously, after a period of time, needs manually from grain header internal cleaning impurity; If blower sizes is too small, will cause fan delivery deficiency, be difficult to equally reach grain quality and clean standard.Therefore, how to make pneumatic separation device have less size, can reach again required air quantity, be the difficult problem that grain header pneumatic separation device designer faces simultaneously.
Summary of the invention
For the problem of prior art, the technical problem that quasi-solution of the present invention is determined is: a kind of grain header pneumatic separation device is provided.This grain header pneumatic separation device has simple in structure, uses reliably, and it is high that air quantity can reach necessary requirement selection by winnowing efficiency, good product quality, the feature such as energy consumption is low.
The technical scheme that the present invention solves described pneumatic separation device is: a kind of grain header pneumatic separation device, comprises air amplifier section, gas pipeline and air pump; It is characterized in that described air amplifier section comprises that air amplifies leaf, amplifies the left riser of leaf, amplifies the right riser of leaf; Gas pipeline comprises air induction hose, hydraulic quick coupler and air supply hose; Described air amplifies leaf and is arranged on the amplification left riser of leaf and amplifies between the right riser of leaf, and air amplifies number and the connected mode of leaf not to be limit, and is installed on original blower fan place; The left riser of described amplification leaf inside is hollow structure, and on medial surface, has air inlet through hole, amplifies leaf be communicated with air, on its lateral surface, has pipeline connection port; Air induction hose one end of described gas pipeline is connected with pipeline connection port, and one end of the other end and hydraulic quick coupler is connected, and the other end of hydraulic quick coupler and the air supply hose of gas pipeline are connected, and air supply hose and air pump are connected;
Described air amplifies leaf and is made up of middle lobus cardiacus and cambered surface leaf, and cambered surface leaf is installed on middle lobus cardiacus; Described middle lobus cardiacus is that ganoid one end has both sides protrusion, the smooth elongated plates in one end up and down; Described cambered surface leaf is that to have a small through-going recess, outside be the elongated plates with gradient cambered surface in inner side, and it is arranged on the upper and lower faces of smooth part of middle lobus cardiacus, and one end that cambered surface height is higher is arranged near middle lobus cardiacus protruding one end; After having assembled, described middle lobus cardiacus and cambered surface leaf be reserved with aperture at groove;
Described air amplifies leaf when mounted, amplifies the air inlet through hole of the left riser of leaf facing to the groove of cambered surface leaf; The end face of air amplifier section and the air of bottom surface amplify leaf, and wherein lobus cardiacus only has protrusion in an inside side, and cambered surface leaf is all only installed in inner side.
Compared with prior art, pneumatic separation device of the present invention and grain header have the following advantages: (1) pneumatic separation device takes up space and obviously reduces, increased grain header for utilizing space; (2) power demand is little, narrow-minded, and power consumption is few; (3) can, by changing quantity or the compressed-air actuated pressure of air amplification leaf, adjust air quantity, grain header all can normally be worked under different feed quantity conditions, improve grain cleaning quality.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram that uses a kind of embodiment of grain header of pneumatic separation device of the present invention;
Fig. 2 is the grain header pneumatic separation device structural representation of a kind of embodiment of grain header pneumatic separation device of the present invention;
Fig. 3 is that the air of a kind of embodiment of grain header pneumatic separation device of the present invention amplifies interlobar part structural representation;
Fig. 4 is the left riser interior of the amplification leaf cross-sectional schematic of a kind of embodiment of grain header pneumatic separation device of the present invention.
Embodiment
Further describe the present invention below in conjunction with embodiment and accompanying drawing thereof.
The grain header pneumatic separation device (being called for short pneumatic separation device, referring to Fig. 1-4) of the present invention's design, pneumatic separation device 3 comprises air amplifier section 31, gas pipeline 32 and air pump 33; It is characterized in that described air amplifier section 31 comprises that air amplifies leaf 311, amplifies the left riser 312 of leaf, amplifies the right riser 313 of leaf; Gas pipeline 32 comprises air induction hose 321, hydraulic quick coupler 322 and air supply hose 323; Described air amplifies leaf 311 and is arranged on the amplification left riser 312 of leaf and amplifies between the right riser 313 of leaf, and connected mode is not limit, and is installed on original blower fan place; The left riser of described amplification leaf 312 inside are hollow structure, and on medial surface, have air inlet through hole 3122, amplify leaf 311 be communicated with air, have pipeline connection port 3121 on its lateral surface, are connected with gas pipeline 32; Air induction hose 321 one end of described gas pipeline 32 are connected with pipeline connection port 3121, one end of the other end and hydraulic quick coupler 322 is connected, the air supply hose 323 of the other end of hydraulic quick coupler 322 and gas pipeline 32 is connected, and air supply hose 323 is connected with air pump 33.
Described air amplifies leaf 311, it is to utilize Koln to reach the product that air enlarge-effect-hydromechanical general principle is made, by inputting a small amount of compressed air as power, its one end produces underbalance effect, the compressed-air actuated initial air-flow of the other end converges around after mass air flow, produces high speed eluting gas.Grain header of the present invention is exactly to utilize this air-flow to complete cleaning at random cereal; Described air amplifies leaf 311 and is made up of middle lobus cardiacus 3111 and cambered surface leaf 3112, and cambered surface leaf 3112 is installed on middle lobus cardiacus 3111; Described middle lobus cardiacus 3111 is that ganoid one end has both sides protrusion, the smooth elongated plates in one end up and down; Described cambered surface leaf 3112 is that to have small through-going recess 31121, an outside be the elongated plates with gradient cambered surface in inner side, it is arranged on the upper and lower faces of smooth part of middle lobus cardiacus 3111, and one end that cambered surface height is higher is arranged near middle lobus cardiacus 3111 protruding one end; The end face of air amplifier section 31 and the air of bottom surface amplify leaf 311, and wherein 3111 of lobus cardiacuses have protrusion in an inside side, and cambered surface leaf 3112 is all only installed in inner side; After described middle lobus cardiacus 3111 and cambered surface leaf 3112 have assembled, be reserved with aperture at groove 31121 places, air produces wall attachment effect while outflow by aperture, and drives air amplification leaf 311 surrounding airs to flow, and produces air enlarge-effect.
Described air amplifies leaf 311 when mounted, amplifies the air inlet through hole 3122 of the left riser 312 of leaf facing to groove 31121 places of cambered surface leaf 3112; Position and connected mode that the left riser 312 of amplification leaf of the present invention, the right riser 313 of amplification leaf, air amplify leaf 311, air induction hose 321 etc. are not limited to above-described embodiment, and local even whole adjustment does not affect the function of pneumatic separation device of the present invention.
The structure of the left riser 312 of described amplification leaf, the right riser 313 of amplification leaf is not limited to this embodiment, and the structure that local change does not affect its function is all within the protection domain of this invention.
Air of the present invention amplifies the quantity basis designing requirement of leaf 311, air induction hose 321 etc. and selectes.It is four that the air of embodiment amplifies leaf part; But its number is not limited to this embodiment.
Further technical scheme of the present invention is: design a kind of grain header, it is characterized in that this grain header selects pneumatic separation device of the present invention, its usage quantity is determined according to production engineering specifications.Specifically, this grain header mainly comprises feeding part 1, shuttle board 2, pneumatic separation device 3, threshing cylinder 4, cleans part 5 and grain storage part 6(referring to Fig. 1).Wherein, shuttle board 2 is positioned at the below of feeding part 1, threshing cylinder 4 is positioned at the rear of feeding part 1, clean part 5 and be positioned at the below of threshing cylinder 4, grain storage part 6 is positioned at the below of cleaning part 5, pneumatic separation device 3 is positioned at below shuttle board 2, one-level silo 64 front ends of grain storage part, and the air outlet of air amplifier section 31 faces tail sheet 53; The described part 5 of cleaning comprises large impurity bolter 51, sorting screen 52 and tail sheet 53; Grain storage part 6 comprises that one-level connects grain plate 61, secondary connects grain plate 62, one-level silo 64 and secondary silo 63.The pneumatic separation device quantity of embodiment is 3 covers.
Grain header pneumatic separation device operation principle of the present invention is: when grain header work, the gas that air pump 33 is discharged enters air by air supply hose 323, hydraulic quick coupler 322, air induction hose 321 and amplifies leaf 311, make air amplify leaf 311 one end and produce underbalance effect, produce vacuum low-pressure district, the compressed-air actuated initial air-flow of the other end converges around after mass air flow, become the air-flow of high speed, high power capacity, and blow out from the outlet side of air amplification leaf 311, the whole screening process that acts on cereal, completes cleaning cereal.
Grain header screening cereal process of the present invention is as follows: when grain header is started working, cereal enters threshing cylinder 4 from feeding part 1, the cereal coming off falls into large impurity bolter 51, all falls into sorting screen 52 through excessive impurity bolter 51 and the isolated cereal of shuttle board 2.Through after the cleaning of sorting screen 52, part cereal is fallen one-level after by tail sheet 53 and is connect grain plate 61, then enters one-level silo 64, carries out follow-up grain storage processing, another part connects grain plate 62 by secondary and enters secondary silo 63, carries out follow-up multiple de-processing.
The present invention does not address part and is applicable to prior art.
Claims (2)
1. a grain header pneumatic separation device, comprises air amplifier section, gas pipeline and air pump; It is characterized in that described air amplifier section comprises that air amplifies leaf, amplifies the left riser of leaf, amplifies the right riser of leaf; Gas pipeline comprises air induction hose, hydraulic quick coupler and air supply hose; Described air amplifies leaf and is arranged on the amplification left riser of leaf and amplifies between the right riser of leaf, and air amplifies number and the connected mode of leaf not to be limit, and is installed on original blower fan place; The left riser of described amplification leaf inside is hollow structure, and on medial surface, has air inlet through hole, amplifies leaf be communicated with air, on its lateral surface, has pipeline connection port; Air induction hose one end of described gas pipeline is connected with pipeline connection port, and one end of the other end and hydraulic quick coupler is connected, and the other end of hydraulic quick coupler and the air supply hose of gas pipeline are connected, and air supply hose and air pump are connected;
Described air amplifies leaf and is made up of middle lobus cardiacus and cambered surface leaf, and cambered surface leaf is installed on middle lobus cardiacus; Described middle lobus cardiacus is that ganoid one end has both sides protrusion, the smooth elongated plates in one end up and down; Described cambered surface leaf is that to have a small through-going recess, outside be the elongated plates with gradient cambered surface in inner side, and it is arranged on the upper and lower faces of smooth part of middle lobus cardiacus, and one end that cambered surface height is higher is arranged near middle lobus cardiacus protruding one end; After having assembled, described middle lobus cardiacus and cambered surface leaf be reserved with aperture at groove;
Described air amplifies leaf when mounted, amplifies the air inlet through hole of the left riser of leaf facing to the groove of cambered surface leaf; The end face of air amplifier section and the air of bottom surface amplify leaf, and wherein lobus cardiacus only has protrusion in an inside side, and cambered surface leaf is all only installed in inner side.
2. a grain header, it is characterized in that this grain header right to use requires the grain header pneumatic separation device described in 1, and its usage quantity is determined according to production engineering specifications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410359722.6A CN104145621B (en) | 2014-07-25 | 2014-07-25 | A kind of harvester pneumatic separation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410359722.6A CN104145621B (en) | 2014-07-25 | 2014-07-25 | A kind of harvester pneumatic separation device |
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| Publication Number | Publication Date |
|---|---|
| CN104145621A true CN104145621A (en) | 2014-11-19 |
| CN104145621B CN104145621B (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410359722.6A Active CN104145621B (en) | 2014-07-25 | 2014-07-25 | A kind of harvester pneumatic separation device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4046492A (en) * | 1976-01-21 | 1977-09-06 | Vortec Corporation | Air flow amplifier |
| JPH0899051A (en) * | 1994-09-29 | 1996-04-16 | Genichi Sato | Atomized substance supplying apparatus |
| CN201451529U (en) * | 2009-06-22 | 2010-05-12 | 中国计量学院 | Pneumatic down-stuffing gun |
| CN102003418A (en) * | 2010-10-27 | 2011-04-06 | 上海理工大学 | Ejector |
| CN103283415A (en) * | 2013-06-06 | 2013-09-11 | 河北工业大学 | Harvester winnowing device |
-
2014
- 2014-07-25 CN CN201410359722.6A patent/CN104145621B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4046492A (en) * | 1976-01-21 | 1977-09-06 | Vortec Corporation | Air flow amplifier |
| JPH0899051A (en) * | 1994-09-29 | 1996-04-16 | Genichi Sato | Atomized substance supplying apparatus |
| CN201451529U (en) * | 2009-06-22 | 2010-05-12 | 中国计量学院 | Pneumatic down-stuffing gun |
| CN102003418A (en) * | 2010-10-27 | 2011-04-06 | 上海理工大学 | Ejector |
| CN103283415A (en) * | 2013-06-06 | 2013-09-11 | 河北工业大学 | Harvester winnowing device |
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| Publication number | Publication date |
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| CN104145621B (en) | 2016-06-22 |
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