CN114557186A - Flaring type small-row-spacing ear-stem flow-dividing feeding device - Google Patents
Flaring type small-row-spacing ear-stem flow-dividing feeding device Download PDFInfo
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- CN114557186A CN114557186A CN202210197311.6A CN202210197311A CN114557186A CN 114557186 A CN114557186 A CN 114557186A CN 202210197311 A CN202210197311 A CN 202210197311A CN 114557186 A CN114557186 A CN 114557186A
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- wheel
- chain
- bridge
- feeding device
- cutting knife
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/1243—Devices for laying-out or distributing the straw
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/14—Mowing tables
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Abstract
The invention discloses a flared small-row-spacing ear-stem shunt feeding device which comprises a bridge, a protective cover and a cutting table, wherein the bridge is cylindrical, one end of the bridge is hinged with a main body of a harvester, the other end of the bridge is communicated with the protective cover, the middle part of the bridge is also connected with a rack of the harvester through a hydraulic telescopic rod, a conveying chain rake is arranged in the bridge, a spiral stirring wheel is arranged in the protective cover and used for conveying materials in the protective cover to a communication port of the bridge and the protective cover, and a plurality of telescopic rake fingers are arranged at the position, right opposite to the communication port, of the spiral stirring wheel; the cutting table is arranged at one end of the protective cover far away from the bridge frame; the header comprises an upper cutting knife and a plurality of flared small-row-spacing sprocket feeding devices which are arranged above the upper cutting knife at intervals; the frame is connected with a lower cutter positioned at the rear lower part of the header. The invention reduces the feeding straw-grain ratio and the load of the threshing and cleaning system.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a flared type small-row-spacing ear-stem flow dividing and feeding device.
Background
Along with the continuous improvement of the grain yield per unit and the cognition degree of people to coarse cereals, the requirements on the feeding amount, the threshing separation and the cleaning capacity of the grain combine harvester at the present stage are higher and higher, and the market demands on the self-propelled grain combine harvester which can realize high-efficiency low-loss feeding, high-stem crop stem and ear shunting and small row spacing and small deviation on row harvesting are continuously expanded.
Therefore, the research and development of grain combine harvesters with low-loss and high-efficiency feeding devices, low-loss and high-efficiency threshing, separating and cleaning capabilities is urgent and important for meeting the requirements of large-scale harvesting of food crops in China and further improving the mechanized harvesting level.
Disclosure of Invention
The invention aims to provide a flaring type small-row-spacing ear-stem split-flow feeding device, which is used for solving the problems in the prior art, reducing the feeding straw-grain ratio and reducing the load of a threshing and cleaning system.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a flared small-row-spacing spike and stem shunting feeding device which comprises a bridge, a protective cover and a cutting table, wherein the bridge is cylindrical, one end of the bridge is hinged with a main body of a harvester, the other end of the bridge is communicated with the protective cover, the middle part of the bridge is also connected with a rack of the harvester through a hydraulic telescopic rod, a conveying chain rake is arranged in the bridge, a spiral stirring wheel is arranged in the protective cover and used for conveying materials in the protective cover to a communication port of the bridge and the protective cover, and a plurality of telescopic rake fingers are arranged at the position, right opposite to the communication port, of the spiral stirring wheel; the header is arranged at one end of the shield, which is far away from the bridge frame;
the header comprises an upper cutting knife and a plurality of flared small-row-spacing sprocket feeding devices which are arranged above the upper cutting knife at intervals, the flaring type small-row-spacing sprocket feeding device comprises a divider, a tray, a sprocket feeding mechanism and a cover body, the upper cutter and the tray are respectively and fixedly connected with the protective cover, the nearside divider is arranged at one end of the tray far away from the protective cover, the divider is in a pointed shape, the pointed end of the divider is far away from the tray, the sprocket feeding mechanism comprises a first sprocket, a second sprocket, a feeding chain and a plurality of shifting teeth arranged on the feeding chain, the first chain wheel and the second chain wheel are both horizontally and rotatably arranged on the tray, the feeding chain is wound on the first chain wheel and the second chain wheel, the cover body covers the tray, and the shifting teeth on one side of the feeding chain extend out of the cover body;
the rack is connected with a lower cutting knife positioned at the rear lower part of the header, and the lower cutting knife is fixedly connected with the rack through at least two connecting rods; the upper cutter, the lower cutter, the spiral stirring wheel and the conveying chain harrow are respectively in transmission connection with a gap bridge driving shaft arranged on the gap bridge frame.
Preferably, two spiral lifters are further arranged above the shield, one spiral lifter is close to one end of the spiral stirring wheel, and the other spiral lifter is close to the other end of the spiral stirring wheel; the spiral grain lifter is in transmission connection with the gap bridge driving shaft.
Preferably, the conveying chain harrow comprises two third chain wheels arranged on the same rotating shaft, two fourth chain wheels arranged on the same rotating shaft, two conveying chains and a plurality of harrow teeth, wherein one conveying chain is wound on one third chain wheel and one fourth chain wheel, and the other conveying chain is wound on the other third chain wheel and the other fourth chain wheel; any one rake tooth is fixedly connected with the two conveying chains; the conveying chain harrow is used for conveying the materials at the communicating port into a material storage box of the harvester.
Preferably, the gap bridge frame is provided with a first input wheel, the first input wheel and the two third chain wheels are fixedly arranged on the gap bridge driving shaft, and the gap bridge driving shaft is driven to rotate by a driving device; the first rotating shaft is fixedly provided with a first belt pulley, a fifth chain wheel and a sixth chain wheel, and the first input wheel is in transmission connection with the first belt pulley through a belt; a pressing wheel and a tensioning wheel with adjustable positions are arranged on the bridge frame, and the belt is wound on the pressing wheel and the tensioning wheel; a seventh chain wheel is fixedly arranged on a rotating shaft of the spiral stirring wheel, the fifth chain wheel is in transmission connection with the seventh chain wheel through a chain, a second rotating shaft is fixedly arranged on the protective cover, the second rotating shaft is in transmission connection with two gear boxes, the two gear boxes are respectively in transmission connection with the two spiral lifters, an eighth chain wheel is fixedly arranged on the second rotating shaft, and the eighth chain wheel is in transmission connection with the fifth chain wheel through a chain; and a first eccentric wheel is arranged on the fifth chain wheel, and the first eccentric wheel is connected with the power input end of the upper cutting knife through a first power transmission rod.
Preferably, the lower cutter is fixedly connected with the rack through three connecting rods, one end of each connecting rod is fixedly connected with the rack, and the other end of each connecting rod is fixedly connected with the lower cutter; and one connecting rod is fixedly connected with a vertical pull rod, the top of the pull rod is provided with a long groove, the side part of the bridge frame is fixedly provided with a sliding block, and the sliding block is in sliding fit with the long groove.
Preferably, a second input wheel is fixedly arranged on the machine frame, the first input wheel is in transmission connection with the second input wheel through a belt, a second eccentric wheel is arranged on the second input wheel, and the second eccentric wheel is connected with the power input end of the lower cutting knife through a second power transmission rod.
Preferably, a protective net is fixedly arranged at the top of one end, close to the bridge frame, of the protective cover.
Preferably, the width of the tray is the same as the maximum width of the crop divider, and the width of the tray is less than or equal to twice the maximum inclined distance of the crop to be harvested; the maximum inclination distance refers to the maximum offset distance of the bottom end of the spike of the crop on the premise that the crop can not be broken.
Compared with the prior art, the invention has the following technical effects:
the flaring type small-row-spacing ear-stem split-flow feeding device reduces the feeding straw-grain ratio and reduces the load of a threshing and cleaning system. The flared split-flow ear-stem feeding device with small row spacing can realize split-flow cutting and feeding of ear stems in the process of grain combined harvesting, only the ear stems are fed into the threshing system, and the rest of the stems are cut by the lower cutter and then laid in the field for airing, so that the feed straw-grain ratio can be reduced to the maximum extent, the loads of the threshing and cleaning system are reduced, the entrainment loss caused by adhesion of stem grains is reduced, the integrity of the stems is maintained to the maximum extent, the stubble cutting is reduced, the cut stems are laid in the field for convenient collection, and the utilization rate of the stem forage is improved. The whole machine has compact structure and simple operation, and the device relieves the problem of large loss of the header of the existing grain combine harvester to a certain extent, liberates the labor productivity in rural areas, reduces the labor cost, improves the planting efficiency in hilly and mountainous regions, promotes the income increase and the yield increase of farmers, and improves the whole-course mechanization degree of grains to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of a flared small-row-spacing split-flow spike-stem feeding device according to the present invention;
FIG. 2 is a schematic structural diagram of a flared small-row-spacing split-flow spike-stem feeding device according to the present invention;
FIG. 3 is a schematic view of a part of the structure of the flared small row spacing split-flow feeding device of the present invention;
FIG. 4 is a schematic view of a second partial structure of the flared split-flow feeding device for small row spacing ears and stalks of the present invention;
wherein: 1. passing the bridge frame; 2. a shield; 3. a helical stirring wheel; 4. a telescopic rake finger; 5. a spiral grain lifter; 6. a second rotating shaft; 7. an upper cutter; 8. a cover body; 9. a crop divider; 10. a tray; 11. a first sprocket; 12. feeding a chain; 13. shifting teeth; 14. a first input wheel; 15. a protective net; 16. an eighth sprocket; 17. a first pulley; 18. a fifth sprocket; 19. a seventh sprocket; 20. a first eccentric wheel; 21. a first power transmission rod; 22. a pinch roller; 23. a tension wheel; 24. a gap bridge drive shaft; 25. a hydraulic telescopic rod; 26. a pull rod; 27. a slider; 28. a long groove; 29. a connecting rod; 30. a conveying chain; 31. rake teeth; 32. a third sprocket; 33. a fourth sprocket; 34. a second input wheel; 35. a second eccentric wheel; 36. a second power transmission rod; 37. a lower cutter; 38. and a frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide a flared small-row-spacing ear-stem split-flow feeding device, which solves the problems in the prior art, reduces the feeding straw-grain ratio, and reduces the load of a threshing and cleaning system.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 4: the embodiment provides a flaring type small-row-spacing ear and stem split-flow feeding device which comprises a bridge frame 1, a protective cover 2 and a header.
The middle part of the bridge frame 1 is also connected with a frame 38 of the harvester through a hydraulic telescopic rod 25, and a conveying chain harrow is arranged in the bridge frame 1; the conveying chain harrow comprises two third chain wheels 32 arranged on the same rotating shaft, two fourth chain wheels 33 arranged on the same rotating shaft, two conveying chains 30 and a plurality of harrow teeth 31, wherein one conveying chain 30 is wound on one third chain wheel 32 and one fourth chain wheel 33, and the other conveying chain 30 is wound on the other third chain wheel 32 and the other fourth chain wheel 33; any one rake tooth 31 is fixedly connected with the two conveying chains 30; the conveying chain harrow is used for conveying the materials at the communicating port into a material storage box of the harvester; the first input wheel 14 and the two third chain wheels 32 are fixedly arranged on the gap bridge driving shaft 24, and the gap bridge driving shaft 24 is driven to rotate by the driving device; the driving device can adopt specific existing mature driving products such as a driving motor or a diesel engine and the like.
A spiral stirring wheel 3 is arranged in the shield 2, the spiral stirring wheel 3 is used for conveying materials in the shield 2 to a communication port between the gap bridge 1 and the shield 2, a plurality of telescopic raking fingers 4 are arranged at the position, opposite to the communication port, of the spiral stirring wheel 3, the telescopic raking fingers 4 are conventional mature products commonly used in a harvester, and the details are not repeated herein; the top of one end of the shield 2 close to the bridge frame 1 is also fixedly provided with a protective net 15.
Two spiral grain lifters 5 are also arranged above the shield 2, the spiral grain dividers 9 are in running fit with the cutting table through bearing seats, one spiral grain lifter 5 is close to one end of the spiral stirring wheel 3, and the other spiral grain lifter 5 is close to the other end of the spiral stirring wheel 3; the two spiral grain lifters 5 are respectively driven by a gear box, and the two gear boxes are both connected on the second rotating shaft 6. A first rotating shaft is arranged on the shield 2, a first belt pulley 17, a fifth chain wheel 18 and a sixth chain wheel are fixedly arranged on the first rotating shaft, and the first input wheel 14 is in transmission connection with the first belt pulley 17 through a belt; cross the take-up pulley 23 that is provided with pinch roller 22 and position and can adjust on the crane span structure 1, the belt is around on pinch roller 22 and take-up pulley 23, and is specific, is provided with a mounting panel on passing bridge 1, and adjusting bolt installs on the mounting panel, and adjusting bolt one end is passed through the spring and is connected with the support body of take-up pulley 23, adjusts tensioning pulley 23's height through adjusting bolt position on the mounting panel to adjust the elasticity degree of the belt of first input wheel 14 and first belt pulley 17 spare.
The rotating shaft of the spiral stirring wheel 3 is fixedly provided with a seventh chain wheel 19, the fifth chain wheel 18 is in transmission connection with the seventh chain wheel 19 through a chain, the shield 2 is fixedly provided with a second rotating shaft 6, the second rotating shaft 6 is in transmission connection with two gear boxes, the two gear boxes are in transmission connection with the two spiral grain lifters 5 respectively, the second rotating shaft 6 is fixedly provided with an eighth chain wheel 16, and the eighth chain wheel 16 is in transmission connection with the fifth chain wheel 18 through a chain.
The header is arranged at the front end of the shield 2; the header includes that cutter 7 and a plurality of interval set up the little row spacing sprocket feed arrangement of flaring formula above cutter 7, little row spacing sprocket feed arrangement of flaring formula includes divider 9, tray 10, sprocket feed mechanism and the cover body 8, cutter 7 and tray 10 link firmly with guard shield 2 respectively, divider 9 sets up the one end of keeping away from guard shield 2 at tray 10, divider 9 is the point form and divider 9's most advanced keeps away from tray 10, sprocket feed mechanism includes first sprocket 11, the second sprocket, feeding chain 12 and a plurality of group tooth 13 of setting on feeding chain 12, first sprocket 11 and the equal horizontal rotation of second sprocket set up on tray 10, feeding chain 12 is around on first sprocket 11 and second sprocket, the cover body 8 covers and establishes on tray 10, and the group tooth 13 of feeding chain 12 one side stretches out the cover body 8.
Still be provided with the gear box on every tray 10, still be provided with the transmission shaft on the header, the transmission shaft is connected with the gear box on every tray 10, all be provided with in every gear box promptly and set firmly the driving gear on the transmission shaft, the output of the gear box on tray 10 is connected with the pivot of first sprocket 11, be provided with the ninth sprocket on the transmission shaft on the header, the tenth sprocket has set firmly in the pivot of spiral stirring wheel 3, it has the chain to wind on ninth sprocket and the tenth sprocket, can drive the transmission shaft rotation on ninth sprocket and the header through the chain when the pivot of spiral stirring wheel 3 and the tenth sprocket rotate promptly, the transmission shaft passes through each first sprocket 11 of gear box drive and rotates, thereby drive sprocket feeding mechanism work. The fifth chain wheel 18 is provided with a first eccentric wheel 20, and the first eccentric wheel 20 is connected with the power input end of the upper cutting knife 7 through a first power transmission rod 21.
The frame 38 is connected with a lower cutter 37 positioned at the rear lower part of the header, the lower cutter 37 is fixedly connected with the frame 38 through three connecting rods 29, one end of each connecting rod 29 is fixedly connected with the frame 38, and the other end of each connecting rod 29 is fixedly connected with the lower cutter 37; a vertical pull rod 26 is fixedly connected to one connecting rod 29, a long groove 28 is arranged at the top of the pull rod 26, a sliding block 27 is fixedly arranged at the side part of the gap bridge 1, and the sliding block 27 is in sliding fit with the long groove 28. The frame 38 is fixedly provided with a second input wheel 34, the first input wheel 14 is also in transmission connection with the second input wheel 34 through a belt, the second input wheel 34 is provided with a second eccentric wheel 35, and the second eccentric wheel 35 is connected with the power input end of the lower cutting knife 37 through a second power transmission rod 36.
The width of the tray 10 is the same as the maximum width of the crop divider 9, and the width of the tray 10 is less than or equal to twice the maximum inclined distance of the crops to be harvested; the maximum tilt distance refers to the maximum offset distance of the bottom end of the spike of the crop where the crop can be unbroken. The width of the tray 10 is less than or equal to two times of the maximum inclined distance of the crops to be harvested, so that the grain stalks can be prevented from being broken, the stable work of the inner divider 9 is kept, and the cutting and conveying efficiency of the header is ensured.
When the flared small-row-spacing ear-stem split-flow feeding device works, the upper cutter 7 is responsible for cutting cereal ears, the lower cutter 37 is responsible for cutting cereal stems, only the cereal ears are fed during feeding, and the stems below the ears are laid in the field for airing; the upper cutter 7 and the lower cutter 37 are both reciprocating type standard II cutters.
It should be noted that the length of the stalk of the high-stalk crop is longer than that of the ordinary crop, when the lower part of the stalk is cut by the lower cutter 37, a large amount of stalks are still in a suspended state at the upper part, and in order to ensure that the upper part of the stalk is still in the longitudinal clamping area of the flaring type small row spacing sprocket feeding device after the stalk of the grain is cut by the lower cutter 37, so that the cut stalk of the grain and the cluster smoothly enter the header, and certain requirements are made on the length of the flaring type small row spacing sprocket feeding device, in the embodiment, the total length of the flaring type small row spacing sprocket feeding device is designed to be 650mm, and 99% of the head of the grain can be ensured to enter the divider 9 and be sent to the threshing cylinder for subsequent operation.
In the description of the present invention, it should be noted that the terms "front", "back", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. The utility model provides a flaring formula small row spacing ear of grain stem reposition of redundant personnel feeding device which characterized in that: the harvesting machine comprises a bridge, a shield and a cutting table, wherein the bridge is cylindrical, one end of the bridge is hinged with a main body of the harvesting machine, the other end of the bridge is communicated with the shield, the middle of the bridge is connected with a frame of the harvesting machine through a hydraulic telescopic rod, a conveying chain rake is arranged in the bridge, a spiral stirring wheel is arranged in the shield and used for conveying materials in the shield to a communication port between the bridge and the shield, and a plurality of telescopic rake fingers are arranged at the position, right opposite to the communication port, of the spiral stirring wheel; the header is arranged at one end of the shield, which is far away from the bridge frame;
the header comprises an upper cutting knife and a plurality of flared small-row-spacing sprocket feeding devices which are arranged above the upper cutting knife at intervals, the flaring type small-row-spacing sprocket feeding device comprises a divider, a tray, a sprocket feeding mechanism and a cover body, the upper cutter and the tray are respectively and fixedly connected with the protective cover, the nearside divider is arranged at one end of the tray far away from the protective cover, the divider is pointed and the tip of the divider is far away from the tray, the sprocket feeding mechanism comprises a first sprocket, a second sprocket, a feeding chain and a plurality of shifting teeth arranged on the feeding chain, the first chain wheel and the second chain wheel are both horizontally and rotatably arranged on the tray, the feeding chain is wound on the first chain wheel and the second chain wheel, the cover body covers the tray, and the shifting teeth on one side of the feeding chain extend out of the cover body;
the rack is connected with a lower cutting knife positioned at the rear lower part of the header, and the lower cutting knife is fixedly connected with the rack through at least two connecting rods; the upper cutting knife, the lower cutting knife, the spiral stirring wheel and the conveying chain harrow are respectively in transmission connection with a gap bridge driving shaft arranged on the gap bridge frame.
2. The flared small row spacing split-flow feeding device according to claim 1, characterized in that: two spiral grain lifters are also arranged above the shield, one of the spiral grain lifters is close to one end of the spiral stirring wheel, and the other spiral grain lifter is close to the other end of the spiral stirring wheel; the spiral grain lifter is in transmission connection with the gap bridge driving shaft.
3. The flared small row spacing split-flow feeding device according to claim 2, characterized in that: the conveying chain harrow comprises two third chain wheels arranged on the same rotating shaft, two fourth chain wheels arranged on the same rotating shaft, two conveying chains and a plurality of harrow teeth, wherein one conveying chain is wound on one third chain wheel and one fourth chain wheel, and the other conveying chain is wound on the other third chain wheel and the other fourth chain wheel; any one rake tooth is fixedly connected with the two conveying chains; the conveying chain harrow is used for conveying the materials at the communicating port into a material storage box of the harvester.
4. The flared small row spacing ear-stem split-flow feeding device according to claim 3, characterized in that: the gap bridge frame is provided with a first input wheel, the first input wheel and the two third chain wheels are fixedly arranged on the gap bridge driving shaft, and the gap bridge driving shaft is driven to rotate by a driving device; the first rotating shaft is fixedly provided with a first belt pulley, a fifth chain wheel and a sixth chain wheel, and the first input wheel is in transmission connection with the first belt pulley through a belt; a pressing wheel and a tensioning wheel with adjustable positions are arranged on the bridge frame, and the belt is wound on the pressing wheel and the tensioning wheel; a seventh chain wheel is fixedly arranged on a rotating shaft of the spiral stirring wheel, the fifth chain wheel is in transmission connection with the seventh chain wheel through a chain, a second rotating shaft is fixedly arranged on the protective cover, the second rotating shaft is in transmission connection with two gear boxes, the two gear boxes are respectively in transmission connection with the two spiral grain lifters, an eighth chain wheel is fixedly arranged on the second rotating shaft, and the eighth chain wheel is in transmission connection with the fifth chain wheel through a chain; and a first eccentric wheel is arranged on the fifth chain wheel and connected with the power input end of the upper cutting knife through a first power transmission rod.
5. The flared small row spacing split-flow feeding device according to claim 4, wherein: the lower cutting knife is fixedly connected with the rack through three connecting rods, one end of each connecting rod is fixedly connected with the rack, and the other end of each connecting rod is fixedly connected with the lower cutting knife; and one connecting rod is fixedly connected with a vertical pull rod, the top of the pull rod is provided with a long groove, the side part of the bridge frame is fixedly provided with a sliding block, and the sliding block is in sliding fit with the long groove.
6. The flared small row spacing split-flow feeding device according to claim 5, wherein: the machine frame is fixedly provided with a second input wheel, the first input wheel is in transmission connection with the second input wheel through a belt, a second eccentric wheel is arranged on the second input wheel, and the second eccentric wheel is connected with the power input end of the lower cutting knife through a second power transmission rod.
7. The flared small row spacing split-flow feeding device according to claim 1, characterized in that: and a protective net is fixedly arranged at the top of one end of the protective cover close to the bridge.
8. The flared small row spacing split-flow feeding device according to claim 1, characterized in that: the width of the tray is the same as the maximum width of the crop divider, and the width of the tray is less than or equal to twice the maximum inclined distance of crops to be harvested; the maximum inclination distance refers to the maximum offset distance of the bottom end of the spike of the crop on the premise that the crop can not be broken.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210197311.6A CN114557186A (en) | 2022-03-02 | 2022-03-02 | Flaring type small-row-spacing ear-stem flow-dividing feeding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210197311.6A CN114557186A (en) | 2022-03-02 | 2022-03-02 | Flaring type small-row-spacing ear-stem flow-dividing feeding device |
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| CN114557186A true CN114557186A (en) | 2022-05-31 |
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| CN202210197311.6A Pending CN114557186A (en) | 2022-03-02 | 2022-03-02 | Flaring type small-row-spacing ear-stem flow-dividing feeding device |
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