CN205179804U - Threshing device for harvester - Google Patents
Threshing device for harvester Download PDFInfo
- Publication number
- CN205179804U CN205179804U CN201521004462.7U CN201521004462U CN205179804U CN 205179804 U CN205179804 U CN 205179804U CN 201521004462 U CN201521004462 U CN 201521004462U CN 205179804 U CN205179804 U CN 205179804U
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- CN
- China
- Prior art keywords
- standing grain
- chain
- threshing
- threshing cylinder
- grain
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Abstract
The utility model discloses a threshing device for harvester belongs to harvesting device part field, including threshing cylinder, the threshing cylinder surface is equipped with a plurality of threshing teeth, and its characterized in that still includes and leads the standing grain ware, lead the standing grain ware including lead the standing grain chain, lead the standing grain sprocket, most bleeding pressure standing grain horizontal pole, press the standing grain horizontal pole and fix on leading the standing grain chain and follow to backhaul and move along with leading the standing grain chain, lead the standing grain chain and lie in threshing cylinder top or side top, it is close to the section with threshing cylinder and is a plurality of continuous " V " shape, has a plurality of nearest tangential points with threshing cylinder when pressing the standing grain horizontal pole along with the bottom of leading standing grain chain motion to a plurality of " V " shape. This device can last developments ground wrench movement straw, changes to hit to beat the direction, hits the ear of grain point position of rice thrashing many times, need not to install special cleaning plant, and its threshing cylinder can arrange miscellaneous having concurrently by oneself and clean the function.
Description
Technical field
The utility model relates to a kind of parts of grain header, particularly relates to a kind of sheller unit of grain header.
Background technology
In prior art, the sheller unit of grain header mostly is threshing cylinder threshing, its threshing course is all do not have to consider and lead standing grain device, press coordinating of standing grain parts, it is led standing grain device and does rectilinear motion or curvilinear motion, being contained in lead on standing grain device presses the movement locus of standing grain parts and threshing cylinder to be that tangent line is crossing, only has a hithermost point of contact, like this standing grain is imported in the process of force feed, straw top for once contacts with threshing cylinder and is subject to the chance that on threshing cylinder, threshing tooth hits, and such Threshing is not good enough; And threshing tooth on existing threshing cylinder or threshing nail mostly are the arrangement of unidirectional inclined, need special cleaning device to carry out cleaning removal of impurities, add the cost of equipment; For such as publication No. is " a kind of threshing prior to cutting self-propelled minisize grain header " of CN203467221U, the patent No. is " few feeding, threshing-before-cutting rice harvesting method and the miniature combine harvester thereof " of 200910044696.7, all there is above defect.
Summary of the invention
The purpose of this utility model is to provide the sheller unit that a kind of structure is simple, repeatedly can impact the grain header of the position, fringe tip of standing grain, and without the need to installing special cleaning plant, its threshing cylinder self-impurities removal can have concurrently and clean function.
The utility model proposes a kind of sheller unit of grain header, comprise threshing cylinder, threshing cylinder surface is provided with multiple threshing tooth, it is characterized in that, also comprise guide, described guide comprises leads standing grain chain, multiplely leads standing grain sprocket wheel, most root pressure standing grain cross bar, pressure standing grain cross bar is fixed on built on stiltsly leads on standing grain chain and walks around to motion with leading standing grain chain, lead standing grain chain to be positioned at above threshing cylinder or above side, itself and threshing cylinder are multiple continuous print " V " shape near section, pressure standing grain cross bar with lead standing grain chain movement to during the bottom of multiple " V " shape and threshing cylinder have multiple nearest point of contact.
Preferably, describedly lead standing grain chain and threshing cylinder near section in approximate " W " shape, dress pressure standing grain cross bar thereon and threshing cylinder have two nearest point of contacts, described in lead standing grain sprocket wheel and comprise the first pressure standing grain sprocket wheel, second being positioned at the W section leading standing grain chain and press standing grain sprocket wheel, tightener sprocket.
Described standing grain chain of leading has two, leads standing grain sprocket wheel and have two groups, leads standing grain sprocket wheel and two for two groups and leads standing grain chain and be synchronized with the movement; Described two lead outward extending multiple brace that standing grain chain is connected respectively evenly and at intervals, and every root pressure standing grain cross bar is contained in the built on stilts end that two lead a pair brace that on standing grain chain, position is corresponding.
Pressure standing grain cross bar and the built on stilts distance led between standing grain chain are more than 6cm.
Described multiple standing grain sprocket wheel of leading comprises the first pressure standing grain sprocket wheel, the second pressure standing grain sprocket wheel, the regulating wheel that are positioned at the W section leading standing grain chain.
Described standing grain sprocket wheel of leading also comprises drive sprocket, driven sprocket, chain between first pressure standing grain sprocket wheel and regulating wheel is the first pressure standing grain segment, regulating wheel and second presses the chain between standing grain sprocket wheel to be the second pressure standing grain segment, first pressure standing grain segment is perpendicular to ground, and the second pressure standing grain segment presses standing grain segment vertical with first; On described every root pressure standing grain cross bar, compartment of terrain is provided with multiple bulge loop, the staggered complementary setting of bulge loop on adjacent two pressure standing grain cross bars, and the bulge loop position namely on first pressure standing grain cross bar presses the interval location on standing grain cross bar corresponding with second.
Threshing tooth entirety, in arranging V-type, is divided into the left tooth battle array of left and right symmetry, right tooth battle array more, the helically line arrangement of the row in each tooth battle array, the secondary ground Heterogeneous Permutation that goes forward one by one of each leu, and the orthographic projection position of each threshing tooth in same row on threshing cylinder axis offsets successively; The rotation direction of the row of two tooth battle arrays is contrary.
Threshing tooth is the pentagon of rounding, article two, crossing top margin composition crown, article two, the bottom of stile is drawn in the inside, base is connected in threshing cylinder surface, each threshing tooth is made up of the gear piece of centre and the tooth muscle at parcel gear piece edge, tooth muscle is cylinder type metal bar, and the diameter of section of its tooth muscle is greater than gear piece thickness.
Threshing cylinder two end or middle part are equipped with by multiple groups of blades, dial blade and prolong its circumference distribution around threshing cylinder axis.
Dial blade around threshing cylinder axis prolong its circumference distribution one circle or a few, its line number is equal with the line number of threshing tooth, its position along the tendency of threshing tooth adjacent with it, be roughly scroll be equally distributed on threshing cylinder surface.
The beneficial effects of the utility model are: lead standing grain chain and threshing cylinder near section in approximate " W " shape, form the first point of contact being positioned at grain header direction of advance, with the second point of contact away from direction of advance, can make advancing at this grain header, in the process of operation, the position, fringe tip of standing grain is made to have the chance impacted by threshing tooth for three times, led standing grain chain in standing grain strain and led the drive of standing grain cross bar to enter W section, at this moment fringe apical segment is sent to position near the first point of contact and is subject to first time impact, along with grain header is advanced forward, under the propelling movement of follow-up pressure standing grain cross bar, stretch into W section to standing grain strain depth, its fringe apical segment is subject to second time impact at the second cusp position, grain header continues to advance forward, W section is exited in standing grain strain gradually, when fringe apical segment retreats to the first cusp position of W section, be subject to third time impact, substantially all fringe grains are all hit down, depart from fringe handle.On described every root pressure standing grain cross bar, compartment of terrain is provided with multiple bulge loop, ring protrudes from pressure standing grain cross bar, the contact area with standing grain can be increased, namely increase pressure standing grain area and hit area, the staggered complementary setting of bulge loop on adjacent two pressure standing grain cross bars, make to send in straw process at pressure standing grain cross bar entrance pressure of being expert at, make straw can along with the bulge loop of many pressure standing grain cross bars, interval, the pushing of bulge loop and twisting about undulate ground, make grain on standing grain fringe can ceaselessly displacement, constantly change angle and position, realize dynamically turning round standing grain comb de-, hold standing grain by mechanical analogue traditional-handwork to rotate with multi-direction impact fringe tip part, reach and hit better, Threshing.First pressure standing grain segment is perpendicular to ground, second pressure standing grain segment presses standing grain segment vertical with first, be beneficial to straw charging more smooth and easy, the standing grain after entering the first point of contact is made to have enough extending spaces, and avoid because the first pressure standing grain segment and second presses standing grain segment angle too small, when pressure standing grain segment is by this angle section, nibble between built on stilts pressure standing grain cross bar, collide, the normal operation of standing grain chain is led in impact.
The gear piece of each threshing tooth and protruding tooth muscle composition, tooth muscle is cross section is circular reinforcing rod, can reinforce threshing tooth, and can shoot down fringe grain forcefully, and can not damage fringe grain; The pentagon of the rounding that threshing tooth is top point, middle part is thick, bottom is thin, the crown at right angle or obtuse angle can beat de-fringe grain well, two stiles that bottom is drawn in the inside, when threshing tooth is rotated with threshing cylinder, air flow energy is smoothly through, can reduce the resistance in threshing cylinder rotation process, and straw can be twisted better in the two acute angle spaces that two stiles intersect with threshing cylinder surface respectively, allow fringe point overwhelm power; The helically line arrangement of row in two tooth battle arrays, row adopt the mode of dislocation to arrange, row coordinates can twist straw well when standing grain strain enters with row, straw can the middle and lower part of the several threshing tooth of pile warp circuitously, reliably twisted, be in the position on threshing cylinder surface, the grain ear of fluffy is then de-by crown impact; Because cylinder is High Rotation Speed, as long as have a tooth can form one in a certain row rotate row face, thus, Heterogeneous Permutation and the orthographic projection position of each threshing tooth on threshing cylinder axis in same row offset successively, and namely the threshing gear ring plane that formed of same row threshing tooth is not vertical with threshing cylinder axis, just defines a lot of rotation row faces, reduce the distance between adjacent rotation row face, thus, add the contact rate of spike of rice, improve threshing efficiency; And two tooth battle arrays of left and right symmetry, the hand of spiral of row is contrary, can by the broken grass taken off, disconnected fringe, standing grain leaf separately to two limit conveyings, discharge from the impurity discharging port on both sides again, two bring out and assorted can improve the speed of cleaning than one end impurity removal in conventional art, and the stroke that foreign material push shortens half, and can reach better impurity-eliminating effect, and the stress in the motion process of limit, left and right two offsets, threshing cylinder rotates more steady.Dial blade around threshing cylinder axis prolong its circumference distribution one circle or a few, and its line number is equal with the line number of threshing tooth, and its position is along the tendency of threshing tooth adjacent with it, be equally distributed on threshing cylinder surface in spirally, so as with by broken grass, it is disconnected that fringe, weeds etc. are spiral pushes to impurity discharging port.
In a word, this sheller unit can by the threshing rapidly on straw of fringe grain, and Threshing is better, and the percentage of thresh reaches more than 99.5%, and the unique design of threshing cylinder, can automatic impurity, realizes cleaning function.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is pressure standing grain beam portion structural representation;
Reference numeral: threshing cylinder 1, threshing tooth 2, guide 3, lead standing grain chain 4, dial blade 5, the bulge loop 19 on 18, second, interval pressure standing grain cross bar on bulge loop 17, second pressure standing grain cross bar that pressure standing grain cross bar 6, brace 7, first press standing grain sprocket wheel 8, second to press standing grain sprocket wheel 9, regulating wheel 10, drive sprocket 11, driven sprocket 12, tooth muscle 13, first to press standing grain segment 14, second to press on standing grain segment 15, gear piece 16, first pressure standing grain cross bar, the interval 20 on the 3rd pressure standing grain cross bar.
Embodiment
Embodiment one
With reference to Fig. 1, Fig. 2, the present embodiment comprises threshing cylinder 1, threshing cylinder 1 surface is provided with multiple threshing tooth 2, also comprise guide 3, described guide 3 comprises leads standing grain chain 4, multiplely leads standing grain sprocket wheel, most root pressure standing grain cross bar 6, pressure standing grain cross bar 6 is fixed on built on stiltsly leads on standing grain chain 4 and walks around to motion with leading standing grain chain 4, leading standing grain chain 4 is positioned at above threshing cylinder 1 or above side, itself and threshing cylinder 1 are approximate " W " shape near section, i.e. two " V " type, dress pressure standing grain cross bar 6 thereon and threshing cylinder 1 have two nearest point of contacts.Described standing grain chain 4 of leading has two, leads standing grain sprocket wheel and have two groups, leads standing grain sprocket wheel and two for two groups and leads standing grain chain and be synchronized with the movement; Described two lead outward extending multiple brace 7 that standing grain chain 4 is connected respectively evenly and at intervals, and every root pressure standing grain cross bar 6 is contained in the built on stilts end that two lead a pair brace 7 corresponding to position on standing grain chain.Pressure standing grain cross bar 6 and the built on stilts distance led between standing grain chain 4 are more than 6cm.Described multiple standing grain sprocket wheel of leading comprises the first pressure standing grain sprocket wheel 8, the second pressure standing grain sprocket wheel 9, the regulating wheel 10 that are positioned at the W section leading standing grain chain 4.Described standing grain sprocket wheel of leading also comprises drive sprocket 11, driven sprocket 12, chain between first pressure standing grain sprocket wheel 8 and regulating wheel 10 is the first pressure standing grain segment 14, regulating wheel 10 and second presses the chain between standing grain sprocket wheel 9 to be the second pressure standing grain segment 15, first pressure standing grain segment 14 is perpendicular to ground, and the second pressure standing grain segment 15 presses 14 sections, standing grain chain vertical with first.On described every root pressure standing grain cross bar, compartment of terrain is provided with multiple bulge loop 17, the staggered complementary setting of bulge loop 17 on adjacent two pressure standing grain cross bars, namely bulge loop 17 position on first pressure standing grain cross bar presses the position, interval 18 on standing grain cross bar corresponding with second, presses bulge loop 19 position on standing grain cross bar and the 3rd to press the position, interval 20 on standing grain cross bar corresponding for second.Threshing tooth 2 entirety in arranging V-type more, be divided into the left tooth battle array of left and right symmetry, right tooth battle array, the helically line arrangement of row in each tooth battle array, the secondary ground Heterogeneous Permutation that goes forward one by one of each leu, and the orthographic projection position of each threshing tooth in same row on threshing cylinder axis offsets successively; The rotation direction of the row of two tooth battle arrays is contrary.Threshing tooth 2 is the pentagon of rounding, article two, crossing top margin composition crown, article two, the bottom of stile is drawn in the inside, base is connected in threshing cylinder surface, each threshing tooth is made up of the gear piece 16 of centre and the tooth muscle 13 at parcel gear piece edge, tooth muscle 13 is cylinder type metal bar, and the diameter of section of its tooth muscle is greater than gear piece thickness.Threshing cylinder two end is equipped with by multiple groups of blades 5, dials blade and prolongs its circumference distribution around threshing cylinder axis.
Claims (10)
1. the sheller unit of a grain header, comprise threshing cylinder, threshing cylinder surface is provided with multiple threshing tooth, it is characterized in that, also comprise guide, described guide comprises leads standing grain chain, multiplely leads standing grain sprocket wheel, most root pressure standing grain cross bar, pressure standing grain cross bar is fixed on built on stiltsly leads on standing grain chain and walks around to motion with leading standing grain chain, lead standing grain chain to be positioned at above threshing cylinder or above side, itself and threshing cylinder are multiple continuous print " V " shape near section, pressure standing grain cross bar with lead standing grain chain movement to during the bottom of multiple " V " shape and threshing cylinder have multiple nearest point of contact.
2. the sheller unit of grain header according to claim 1, it is characterized in that, describedly lead standing grain chain and threshing cylinder near section in approximate " W " shape, dress pressure standing grain cross bar thereon and threshing cylinder have two nearest point of contacts, described in lead standing grain sprocket wheel and comprise the first pressure standing grain sprocket wheel, second being positioned at the W section leading standing grain chain and press standing grain sprocket wheel, tightener sprocket.
3. the sheller unit of grain header according to claim 2, it is characterized in that, described standing grain sprocket wheel of leading also comprises drive sprocket, driven sprocket, chain between first pressure standing grain sprocket wheel and regulating wheel is the first pressure standing grain segment, regulating wheel and second presses the chain between standing grain sprocket wheel to be the second pressure standing grain segment, first pressure standing grain segment is perpendicular to ground, and the second pressure standing grain segment presses standing grain segment vertical with first.
4. the sheller unit of grain header according to claim 1, is characterized in that, described in lead standing grain chain and have two, lead standing grain sprocket wheel and have two groups, lead standing grain sprocket wheel and two for two groups and lead standing grain chain and be synchronized with the movement; Described two lead outward extending multiple brace that standing grain chain is connected respectively evenly and at intervals, and every root pressure standing grain cross bar is contained in the built on stilts end that two lead a pair brace that on standing grain chain, position is corresponding.
5. the sheller unit of grain header according to claim 1, is characterized in that, pressure standing grain cross bar and the built on stilts distance led between standing grain chain are more than 6cm.
6. the sheller unit of grain header according to claim 1, it is characterized in that, on described every root pressure standing grain cross bar, compartment of terrain is provided with multiple bulge loop, the staggered complementary setting of bulge loop on adjacent two pressure standing grain cross bars, the bulge loop position namely on first pressure standing grain cross bar presses the interval location on standing grain cross bar corresponding with second.
7. the sheller unit of grain header according to claim 1, it is characterized in that, threshing tooth entirety in arranging V-type more, be divided into the left tooth battle array of left and right symmetry, right tooth battle array, the helically line arrangement of row in each tooth battle array, the secondary ground Heterogeneous Permutation that goes forward one by one of each leu, and the orthographic projection position of each threshing tooth in same row on threshing cylinder axis offsets successively; The rotation direction of the row of two tooth battle arrays is contrary.
8. the sheller unit of grain header according to claim 1, it is characterized in that, threshing tooth is the pentagon of rounding, article two, crossing top margin composition crown, article two, the bottom of stile is drawn in the inside, and base is connected in threshing cylinder surface, and each threshing tooth is made up of the gear piece of centre and the tooth muscle at parcel gear piece edge, tooth muscle is cylinder type metal bar, and the diameter of section of its tooth muscle is greater than gear piece thickness.
9. the sheller unit of grain header according to claim 1, is characterized in that, threshing cylinder two end or middle part are equipped with by multiple groups of blades, dials blade and prolongs its circumference distribution around threshing cylinder axis.
10. the sheller unit of grain header according to claim 9, it is characterized in that, dial blade around threshing cylinder axis prolong its circumference distribution one circle or a few, its line number is equal with the line number of threshing tooth, its position, along the tendency of threshing tooth adjacent with it, is roughly equally distributed on threshing cylinder surface in scroll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004462.7U CN205179804U (en) | 2015-12-07 | 2015-12-07 | Threshing device for harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004462.7U CN205179804U (en) | 2015-12-07 | 2015-12-07 | Threshing device for harvester |
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| Publication Number | Publication Date |
|---|---|
| CN205179804U true CN205179804U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521004462.7U Expired - Fee Related CN205179804U (en) | 2015-12-07 | 2015-12-07 | Threshing device for harvester |
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| CN (1) | CN205179804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105284309A (en) * | 2015-12-07 | 2016-02-03 | 刘念湘 | Threshing device of harvester |
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2015
- 2015-12-07 CN CN201521004462.7U patent/CN205179804U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105284309A (en) * | 2015-12-07 | 2016-02-03 | 刘念湘 | Threshing device of harvester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20201207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |