CN101361433A - Grain combine pillar type flexible threshing method and pillar type flexible threshing mechanism - Google Patents
Grain combine pillar type flexible threshing method and pillar type flexible threshing mechanism Download PDFInfo
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- CN101361433A CN101361433A CNA2008101412573A CN200810141257A CN101361433A CN 101361433 A CN101361433 A CN 101361433A CN A2008101412573 A CNA2008101412573 A CN A2008101412573A CN 200810141257 A CN200810141257 A CN 200810141257A CN 101361433 A CN101361433 A CN 101361433A
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Abstract
The invention relates to a grain combine column-typed flexible threshing method and a column-typed flexible threshing mechanism, belonging to the technical field of grain combines; the invention is particularly suitable for the harvest of various grains such as wheat, paddy rice, soybean and the like; when the crops are sent into a shear roller 4 by an inclined conveyor, the roller 4 captures the crops by a cylinder 3; after the cylinder 3 captures the crops, partial threshing is carried out by the strike of a contact head 1 with the millet sprays; when in threshing, as the contact head 1 has smooth size and shape, the impact strength of the material can be minimized; while the cylinder 3 is spirally arranged on the roller surface 5 of the roller 4, therefore, the cylinder 3 can effectively ensure the threshing separation effect of the grain and the millet sprays; through the method and the column-typed flexible threshing mechanism thereof, the excessive damage to the grain caused by direct strike in the threshing process can be effectively avoided, the integrity of the grain is ensured to the most extent, thus being beneficial to reusing the grain as seed, and enhancing the storage life and the quality of the grain.
Description
Technical field
The invention belongs to the grain combine technical field, especially relate to a kind of grain combine pillar flexible threshing method and pillar flexible threshing mechanism.
Background technology
Grain combine, main effect be harvesting, threshing, the separate stem stalk that can once finish cereal, remove assorted operation such as surplus, directly obtains the harvest machinery of grain from the field.Some grain combine can also be gathered in the crops beans, sunflower and grass seed etc. after the part repacking is adjusted.Its advantage be labor productivity height, labour intensity low, catch up with farming season, be suitable for large tracts of land results crops.
Existing grain combine is by power configuration and different four kinds of self-propelled, tractor-drawn formula, suspension type and the semimounteds that are divided into that articulate form.Mode by crop feeding sheller unit can be divided into Wholly-fed corn combine and semi-feeding type grain combine two classes.
Full feeding grain combine all feeds sheller unit with cereal cane and fringe head and carries out threshing, press the direction difference of cereal by cylinder, can be divided into cut flow roller type and axial-flow type drum type again, cutting stream is the anterior direction feeding of cereal along swing roller, carrying out threshing separates, cane is discharged along cylinder rear portion tangential direction, axial flow is the end feeding of cereal from drum shaft, axially make corkscrew motion along cylinder, threshing on one side separates on one side, material is longer by the time of cylinder, discharges from the other end of drum shaft at last.This form can be dwindled the volume of combine and alleviate machine heavy, after changing some annex, crops such as soybean, corn, wheat, paddy rice is all had adaptability preferably.
Semi-feeding type cereal combine power demand is less, can keep the stem stalk complete relatively, but relatively poor to the adaptability of crop growth conditions, can not harvesting corn, crop such as beans.Be mainly used in results paddy rice and wheat, it is self-propelled that type mostly is, and its ceding of Taiwan can be divided into vertical and horizontal two kinds again.
In sum, there be broken or damaged in the grain threshing in existing grain combine, especially combine when greatly facilitating harvesting.
Combine plays important effect in the modern agriculture results, productivity ratio height, the cereal percent of loss is little and mechanization degree is high advantage are arranged, simultaneously can alleviate peasant's labour intensity, improve working conditions, but transmission mechanism complexity, operating condition are abominable, and outstanding problems such as poor reliability, rate of breakdown height still exist.Sheller unit is the core component of combine, specification requirement to sheller unit is: through threshing, grain fragmentation or broken shell are few, as much as possible the grain taken off are leaked down from notch board, and power consumption is few, versatility is good, can adapt to various crop and multiple condition and use.The quality of threshing performance directly influence is separated, is cleaned and the work quality of complete machine.In order to improve the functional reliability of machine, improve the threshing performance, research threshing cylinder rotating speed is monitored in real time, for accelerate to realize the mechanization of farm work, automation, intelligent significant.Threshing Effect on Performance factor is more, and controllable factors such as existing feed quantity, drum rotation speed have uncontrollable factors such as cereal humidity, cropping intensity again.Labor of the present invention influences the factor of threshing performance, and especially when gathering in the crops different crops, cereal humidity is further set forth the importance of threshing course to the threshing Effect on Performance under the different rotating speeds.With drum rotation speed, cereal humidity, loss amount, feed quantity is analytic target, according to the different of cereal kind and each Deviation Control speed of travel of measuring, drum rotation speed is stabilized in the suitable scope, guarantees threshing performance and operating efficiency.Sheller unit is a nonlinear time-varying and the complication system that big time-delay is arranged, and is difficult to set up precise analytic model between threshing load or loss amount and the influence factor.Fuzzy control technology does not need to know the mathematical models of controlled system, for the control of complicated nonlinear system provides effective means; But; in order to improve the reliability of threshing system; stability is all done both at home and abroad and is appeared many effort, and the importance of separating mechanism is related to the cereal integrality that whole grain combine gathers in the crops and the height of percentage of damage, and the follow-up guardian technique of depositing availability.
Summary of the invention
For integrality and the availability that improves cereal; the invention discloses a kind of grain combine pillar flexible threshing method and pillar flexible threshing mechanism; by this method and pillar flexible threshing mechanism thereof can effectively avoid cereal in threshing course owing to directly hit the excessive damage that occurs; guaranteed the integrality of cereal to greatest extent; help the once more utilization of cereal, improved the pot-life and the quality of cereal as seed.
The present invention realizes that the particular content of said method is:
Described grain combine pillar flexible threshing method;
This method especially is fit to the results of all kinds of cereal such as wheat, paddy rice, soybean;
1), crop when sending into cut flow roller by inclined transporter, cylinder grasps crop by cylinder;
2), after grasping crop, cylinder carries out the part threshing by the strike of contact head and grain ear; Owing to the size shape slyness of contact head itself, can make the impact strength of material reduce to minimum during threshing;
3) and cylinder cylinder the tube face arrange in the shape of a spiral, so cylinder can effectively guarantee the threshing separating effect of grain and grain ear; Material in the axial-flow type drum of cylinder periphery, along cylinder axially do spiral accelerated motion, finish the threshing separation process;
4), because the time of material by cylinder is longer, when contact head can play the threshing separating effect that both guaranteed cereal and percent of loss, reduce to the percentage of damage of cereal kernel minimum.
Described grain combine pillar flexible threshing mechanism; Mainly comprise contact head, fixed mechanism, cylinder and cylinder, the pillar contact head is made by wearing composite material; Tube face at cylinder is provided with a plurality of protuberance bindiny mechanism, and the cylinder in the contact head bottom is provided with fixed mechanism, and cylinder is enclosed within the protuberance bindiny mechanism of a face, by fixed mechanism cylinder is fixed on and swells in the bindiny mechanism.
Described grain combine pillar flexible threshing mechanism; In the protuberance bindiny mechanism that the tube face of cylinder is provided with, can be that polycyclic arranged distribution, helical arrangement distribute, the horizontally-arranged of irregular distribution and rule distributes.
Described grain combine pillar flexible threshing mechanism; Contact head can be designed as bar-shaped head, taper rounded nose, rod awl in conjunction with shape head and excellent the awl in conjunction with head band circular shape.
Described grain combine pillar contact head is made by wearing composite material; Described wearing composite material comprises metallic matrix aluminium, magnesium, copper, titanium and alloy thereof commonly used.
Described wearing composite material comprises nonmetal basal body, mainly contains synthetic resin, rubber, pottery, graphite, carbon etc.
The reinforcing material of described wearing composite material comprises glass fibre, carbon fiber, boron fibre, aramid fiber, silicon carbide fibre, asbestos fibre, whisker, wire and hard particulates etc.
Owing to adopt technique scheme, the invention has the beneficial effects as follows:
The present invention is hybrid with traditional structure threshing mode rasp bar separating plate commonly used or bar is tooth-like compares, traditional threshing mode use threshing impact, rub principle, utilization has the threshing element impact of certain speed to rub the fringe head, make grain produce vibration and inertia force, destroy it and being connected of grain ear, grain is taken off, and the common structure of threshing element and material produce bigger broken and damage to cereal in grain threshing.And flexible threshing structure mode is in threshing separating effect that both guarantees cereal and percent of loss, the percentage of damage of cereal kernel reduced to minimum, is beneficial to the storage and the breeding of cereal kernel.
Description of drawings
Fig. 1 is tube face of the present invention, contact head structural representation.
Fig. 2 is a contact head club shaped structure schematic diagram of the present invention.
Fig. 3 is the bar-shaped head band of a contact head of the present invention circular shape structural representation.
Fig. 4 is that contact head rod awl of the present invention is in conjunction with shape head construction schematic diagram.
Fig. 5 is a contact head taper rounded nose structural representation of the present invention.
In the drawings: 1, contact head; 2, fixed mechanism; 3, cylinder; 4, rolling tube; 5, tube face.
Embodiment
With reference to the following examples, can explain the present invention in more detail; But the present invention is not limited to the compound mode of these embodiment.
The embodiment that selects for use in this article in order to disclose purpose of the present invention currently thinks to suit, but will be appreciated that, the present invention is intended to comprise that all belong to all changes and the improvement of the interior embodiment of this design and the scope of the invention.
In Fig. 1,2,3,4,5, described grain combine pillar flexible threshing method;
This method especially is fit to the results of all kinds of cereal such as wheat, paddy rice, soybean;
1), crop when sending into cut flow roller 4 by inclined transporter, cylinder 4 grasps crops by cylinder 3;
2), after grasping crop, cylinder 3 carries out the part threshing by the contact head 1 and the strike of grain ear; During threshing because the size shape slyness of contact head 1 itself can make the impact strength of material reduce to minimum;
3) and cylinder 3 cylinder 4 the tube face 5 arrange in the shape of a spiral, so cylinder 3 can effectively guarantee the threshing separating effect of grain and grain ear; Material in the axial-flow type drum of cylinder 4 peripheries, along cylinder 4 axially do spiral accelerated motion, finish the threshing separation process;
4), because the time of material by cylinder is longer, when contact head 1 can play the threshing separating effect that both guaranteed cereal and percent of loss, reduce to the percentage of damage of cereal kernel minimum.
Be percentage of damage, the entrainment loss rate contrast table of the present invention and existing separating mechanism below;
April is to three kinds of roller beds comparative trials of threshing chamber data of paddy rice:
| The cylinder pattern | Feed quantity (kg/s) | Percentage of damage (%) | Entrainment loss rate (%) |
| The rasp bar separating plate is hybrid | 2.5 | 1.54 | 0.75 |
| Bar is tooth-like | 2.5 | 1.08 | 0.98 |
| Flexible threshing structure | 2.5 | 0.62 | 0.86 |
Described grain combine pillar flexible threshing mechanism; Mainly comprise contact head 1, fixed mechanism 2, cylinder 3 and cylinder 4, the pillar contact head is made by wearing composite material; Tube face 5 at cylinder 4 is provided with a plurality of protuberance bindiny mechanism, and the cylinder 3 in contact head 1 bottom is provided with fixed mechanism 2, and cylinder 3 is enclosed within the protuberance bindiny mechanism of a face 5, by fixed mechanism 2 cylinder 3 is fixed on and swells in the bindiny mechanism.
Described grain combine pillar flexible threshing mechanism; In the protuberance bindiny mechanism that the tube face 5 of cylinder 4 is provided with, can be that polycyclic arranged distribution, helical arrangement distribute, the horizontally-arranged of irregular distribution and rule distributes.
Described grain combine pillar flexible threshing mechanism; Contact head 1 can be designed as bar-shaped head, taper rounded nose, rod awl in conjunction with shape head and excellent the awl in conjunction with head band circular shape.
Described grain combine pillar contact head 1 is made by wearing composite material; Described wearing composite material comprises metallic matrix aluminium, magnesium, copper, titanium and alloy thereof commonly used.
Described wearing composite material comprises nonmetal basal body, mainly contains synthetic resin, rubber, pottery, graphite, carbon etc.
The reinforcing material of described wearing composite material comprises glass fibre, carbon fiber, boron fibre, aramid fiber, silicon carbide fibre, asbestos fibre, whisker, wire and hard particulates etc.
In use;
Threshing cylinder is only finished the part threshing work of cereal, and is remaining then by the cylinder threshing.And separation barrel is nonadjustable, and promptly its threshing ability is constant.As long as can purify at last, just should reduce the extent of degranulation of threshing cylinder thus, this is one of important using priciple of axial-flow combine harvester as far as possible.Not so, stalk is too broken, and cleaning load is excessive, can bring aforesaid various fault.Keeping stalk the most feasible complete as far as possible method is the gap (the threshing cylinder rotating speed is non-adjustable) of swift and notch board as far as possible; Harvesting begins to terminal procedure, and crop is more and more ripe, more and more easily takes off, and should adjust the gap of cylinder and notch board more increasing; Dry crop also should be transferred the gap of cylinder and notch board greatly, otherwise then littler; The crop varieties that easily takes off, cylinder and concave clearance are transferred big, otherwise then littler.
Claims (7)
1. a grain combine pillar flexible threshing method is characterized in that; Described method:
1), crop when sending into cut flow roller (4) by inclined transporter, cylinder (4) grasps crop by cylinder (3);
2), after grasping crop, cylinder (3) carries out the part threshing by the contact head (1) and the strike of grain ear; Owing to the size shape slyness of contact head (1) itself, can make the impact strength of material reduce to minimum during threshing;
3) and cylinder (3) cylinder (4) the tube face (5) arrange in the shape of a spiral, so cylinder (3) can effectively guarantee the threshing separating effect of grain and grain ear; Material in the peripheral axial-flow type drum of cylinder (4), along cylinder (4) axially do spiral accelerated motion, finish the threshing separation process;
4), because the time of material by cylinder is longer, when contact head (1) can play the threshing separating effect that both guaranteed cereal and percent of loss, reduce to the percentage of damage of cereal kernel minimum.
2. grain combine pillar flexible threshing mechanism, its feature are in fourth: mainly comprise contact head (1), fixed mechanism (2), cylinder (3) and cylinder (4), the pillar contact head is made by wearing composite material; Tube face (5) at cylinder (4) is provided with a plurality of protuberance bindiny mechanism, cylinder (3) in contact head (1) bottom is provided with fixed mechanism (2), cylinder (3) is enclosed within the protuberance bindiny mechanism of a face (5), cylinder (3) is fixed in the protuberance bindiny mechanism by fixed mechanism (2).
3. grain combine pillar flexible threshing mechanism according to claim 2; it is characterized in that:, can be that the horizontally-arranged of polycyclic arranged distribution, helical arrangement distribution, irregular distribution and rule distributes in a protuberance bindiny mechanism that face (5) is provided with of cylinder (4).
4. grain combine pillar flexible threshing mechanism according to claim 2 is characterized in that: contact head (1) can be designed as bar-shaped head, taper rounded nose, rod awl in conjunction with shape head and excellent the awl in conjunction with head band circular shape.
5. according to claim 2 or 4 described grain combine pillar flexible threshing mechanisms, it is characterized in that: grain combine pillar contact head (1) is made by wearing composite material; Described wearing composite material comprises metallic matrix aluminium, magnesium, copper, titanium and alloy thereof commonly used.
6. grain combine pillar flexible threshing mechanism according to claim 5, it is characterized in that: wearing composite material comprises nonmetal basal body, mainly contains synthetic resin, rubber, pottery, graphite, carbon etc.
7. grain combine pillar flexible threshing mechanism according to claim 6, it is characterized in that: the reinforcing material of wearing composite material comprises glass fibre, carbon fiber, boron fibre, aramid fiber, silicon carbide fibre, asbestos fibre, whisker, wire and hard particulates etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101412573A CN101361433B (en) | 2008-08-25 | 2008-08-25 | Grain combine pillar type flexible threshing method and pillar type flexible threshing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101412573A CN101361433B (en) | 2008-08-25 | 2008-08-25 | Grain combine pillar type flexible threshing method and pillar type flexible threshing mechanism |
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| CN101361433A true CN101361433A (en) | 2009-02-11 |
| CN101361433B CN101361433B (en) | 2010-07-28 |
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| CN2008101412573A Expired - Fee Related CN101361433B (en) | 2008-08-25 | 2008-08-25 | Grain combine pillar type flexible threshing method and pillar type flexible threshing mechanism |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104904434A (en) * | 2015-07-03 | 2015-09-16 | 鹤岗市田丰农机制造有限公司 | Spike tooth for combine harvester threshing device and with elastic rubber sheath |
| CN108012672A (en) * | 2018-01-03 | 2018-05-11 | 桂林理工大学 | Dynamic equilibrium sheller unit with servo feedback control function |
| CN109156173A (en) * | 2018-10-12 | 2019-01-08 | 农业部南京农业机械化研究所 | A kind of board-like threshing cylinder |
| CN109362362A (en) * | 2018-12-17 | 2019-02-22 | 湖州职业技术学院 | A kind of separating mechanism |
| CN111820015A (en) * | 2020-08-12 | 2020-10-27 | 中联重机浙江有限公司 | Low-damage re-threshing type threshing and screening system for broad bean harvester |
| CN113875402A (en) * | 2021-09-16 | 2022-01-04 | 华南农业大学 | Rigid-flexible coupling threshing cylinder device and regenerated rice combine harvester |
-
2008
- 2008-08-25 CN CN2008101412573A patent/CN101361433B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104904434A (en) * | 2015-07-03 | 2015-09-16 | 鹤岗市田丰农机制造有限公司 | Spike tooth for combine harvester threshing device and with elastic rubber sheath |
| CN108012672A (en) * | 2018-01-03 | 2018-05-11 | 桂林理工大学 | Dynamic equilibrium sheller unit with servo feedback control function |
| CN108012672B (en) * | 2018-01-03 | 2023-10-03 | 苏州萨伯工业设计有限公司 | Dynamic balance threshing device with servo feedback control function |
| CN109156173A (en) * | 2018-10-12 | 2019-01-08 | 农业部南京农业机械化研究所 | A kind of board-like threshing cylinder |
| CN109362362A (en) * | 2018-12-17 | 2019-02-22 | 湖州职业技术学院 | A kind of separating mechanism |
| CN111820015A (en) * | 2020-08-12 | 2020-10-27 | 中联重机浙江有限公司 | Low-damage re-threshing type threshing and screening system for broad bean harvester |
| CN111820015B (en) * | 2020-08-12 | 2022-07-08 | 中联重机浙江有限公司 | Low-damage re-threshing type threshing and screening system for broad bean harvester |
| CN113875402A (en) * | 2021-09-16 | 2022-01-04 | 华南农业大学 | Rigid-flexible coupling threshing cylinder device and regenerated rice combine harvester |
| CN113875402B (en) * | 2021-09-16 | 2022-11-29 | 华南农业大学 | Rigid-flexible coupling threshing cylinder device and regenerated rice combine harvester |
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| CN101361433B (en) | 2010-07-28 |
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