CN109362339B - Vertical cutting knife of rape combine harvester with airflow recovery device - Google Patents
Vertical cutting knife of rape combine harvester with airflow recovery device Download PDFInfo
- Publication number
- CN109362339B CN109362339B CN201811464747.7A CN201811464747A CN109362339B CN 109362339 B CN109362339 B CN 109362339B CN 201811464747 A CN201811464747 A CN 201811464747A CN 109362339 B CN109362339 B CN 109362339B
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- China
- Prior art keywords
- air
- pipe
- airflow
- air flow
- negative pressure
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
Abstract
The invention discloses a vertical cutting knife of a rape combine harvester with an air flow recycling device, which comprises a header, wherein a fan is arranged on the header and connected to a hydraulic motor, the fan is connected to a second air flow distributor, the second air flow distributor is connected with a first air flow distributor through a third air pipe, and the first air flow distributor is connected with a main air flow pipe through a first air pipe. This vertical cutting knife of rape combine with airflow recovery unit enables the airflow that the fan produced to blow to scattered rape seed grain to make the rape seed grain blow into the seed grain collecting bin, can be convenient for collect scattered rape seed grain, can avoid extravagant, and can be convenient for guarantee the efficiency of reaping of harvester, can be convenient for distribute the airflow that the fan produced, be favorable to the airflow that the fan produced to be applied to different positions, produce different functions.
Description
Technical Field
The invention relates to the technical field related to rape harvesting, in particular to a vertical cutting knife of a rape combine harvester with an air flow recovery device.
Background
The rape planting area and the yield of China are in the top of the world, and the planting area is about 1 hundred million mu every year. The natural conditions of various regions are different greatly, the planting system is various, the biological characteristics of the rapes in various regions are different greatly, and the rape harvester has complexity and difficulty. Because rape plants are tall, branched, densely distributed, crossed and dragged, vertical cutters are additionally arranged on the basis of a header of a rice and wheat harvester in most of rape combine harvesters to cut off rape dragged between an uncut area and a cut area. However, when the vertical cutter shears the rape straws, the rape pod can be sheared at the same time, which causes great loss. Header loss can account for 40% -50% of the total loss rate of rape combined harvest, and loss caused by the vertical cutters accounts for 20% -40% of header loss.
In order to reduce the kernel splash loss caused by the vertical cutting knife, the invention provides the vertical cutting knife of the rape combine harvester with the air flow recovery device, scattered kernels are collected into a kernel collecting bin through positive pressure air flow blown out from an air flow channel on a blade protector with the air flow channel, and then are recovered through air conveying, so that the aim of recovering the scattered kernels of the rape caused by cutting by the vertical cutting knife is fulfilled, and the loss of rapeseeds generated in the cutting process of the vertical cutting knife is effectively reduced.
Disclosure of Invention
The invention aims to provide a vertical cutting knife of a rape combine harvester with an air flow recovery device, and aims to solve the problem that the existing rape combine harvester is inconvenient to collect scattered rape seeds in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a vertical cutting knife of a rape combine harvester with an air flow recovery device comprises a cutting table, wherein a fan is installed on the cutting table and connected to a hydraulic motor, the fan is connected to a second air flow distributor, the second air flow distributor is connected with a first air flow distributor through a third air pipe, the first air flow distributor is connected with a main air pipe through a first air pipe, the main air pipe is installed on a knife base, a branch air pipe is arranged on the main air pipe and connected with a knife protector with an air flow channel, the knife protector with the air flow channel is installed on the knife base, a negative pressure generation device is connected with a fourth air pipe, the fourth air pipe is connected to a grain bin, the second air flow distributor is connected with a negative pressure generation device through a third air pipe, the negative pressure generation device is connected with a second air pipe, and the second air pipe is connected with a grain collection bin through a negative pressure recovery opening, and the cutter holder is provided with a vertical cutter.
Preferably, the edge protector with the air flow channel is provided with an air flow channel and an air outlet, the air flow channel is connected with the branch air flow pipe, the edge protector with the air flow channel and the vertical cutting knife are uniformly distributed on the knife base, and the edge protector with the air flow channel and the vertical cutting knife are distributed at intervals.
Preferably, the main airflow pipe is connected with 3 first air pipes, the first air pipes penetrate through the main airflow pipe and the first airflow distributor, and 1 row of branch airflow pipes are distributed on the main airflow pipe.
Preferably, the negative pressure generating device is provided with a negative pressure port, an air outlet and an air inlet, the negative pressure port is connected with the second air pipe, the air outlet is connected with the fourth air pipe, and the air inlet is also connected with the second air flow distributor through the third air pipe.
Preferably, the number of the third air ducts is 2, and the 2 third air ducts respectively penetrate through the fan, the main air duct, the fan and the negative pressure generating device.
Compared with the prior art, the invention has the beneficial effects that: the rape combine vertical cutting knife with the airflow recovery device adopts the design of the blade protector with the airflow channel, the air outlet, the first airflow distributor, the second airflow distributor and the negative pressure generating device, the design of the blade protector with the airflow channel, the airflow channel and the air outlet can lead the airflow generated by the fan to blow to scattered rape seeds, thereby leading the rape seeds to be blown into the seed collecting bin, being convenient for collecting the scattered rape seeds, avoiding waste and ensuring the harvesting efficiency of the harvester, the design of the first airflow distributor and the second airflow distributor can be convenient for distributing the airflow generated by the fan, being beneficial to applying the airflow generated by the fan to different positions to generate different functions, and the design of the negative pressure generating device can be convenient for converting positive pressure airflow into negative pressure airflow and being beneficial to sucking the rape seeds into the tank, can facilitate the collection of rape seeds.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of a tool holder connection structure according to the present invention;
FIG. 3 is a schematic view of the connection structure of the negative pressure generating device of the present invention;
FIG. 4 is a schematic view of a fan connection structure according to the present invention;
FIG. 5 is a schematic view of a blade guard with an airflow channel according to the present invention;
fig. 6 is a schematic structural view of the negative pressure generating device of the present invention.
In the figure: 1. a header; 2. erecting a cutter; 3. a kernel collecting bin; 4. a blade guard with an airflow channel; 401. an air flow channel; 402. an air outlet; 5. a bypass flow pipe; 6. a tool apron; 7. a primary gas flow tube; 8. a negative pressure recovery port; 9. a first air duct; 10. a second air duct; 11. a first gas flow distributor; 12. a negative pressure generating device; 1201. a negative pressure port; 1202. an air outlet; 1203. an air inlet; 13. a third air duct; 14. a fourth air duct; 15. a second airflow distributor; 16. a grain bin; 17. a fan; 18. a hydraulic motor.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a vertical cutting knife of a rape combine harvester with an air flow recycling device comprises a cutting table 1, wherein a fan 17 is installed on the cutting table 1, the fan 17 is connected to a hydraulic motor 18, the fan 17 is connected to a second air flow distributor 15, the second air flow distributor 15 is connected with a first air flow distributor 11 through a third air pipe 13, the first air flow distributor 11 is connected with a main air pipe 7 through a first air pipe 9, the main air pipe 7 is installed on a knife base 6, a branch air pipe 5 is arranged on the main air pipe 7, the branch air pipe 5 is connected with a knife protector 4 with an air flow channel, the knife protector 4 with the air flow channel is installed on the knife base 6, a negative pressure generating device 12 is connected with a fourth air pipe 14, the fourth air pipe 14 is connected to a grain tank 16, the second air flow distributor 15 is connected with the negative pressure generating device 12 through the third air pipe 13, the negative pressure generating device 12 is connected with a second air pipe 10, and the second air pipe 10 is connected with the kernel collecting bin 3 through a negative pressure recovery opening 8, and the cutter holder 6 is provided with a vertical cutting knife 2.
The blade protector 4 with the airflow channel is provided with the airflow channel 401 and the air outlet 402, the airflow channel 401 is connected with the branch airflow pipe 5, the blade protector 4 with the airflow channel and the vertical cutting knife 2 are uniformly distributed on the knife holder 6, and the blade protector 4 with the airflow channel and the vertical cutting knife 2 are distributed at intervals, so that airflow can conveniently enter the blade protector 4 with the airflow channel through the airflow channel 401 and can be sprayed out from the air outlet 402, scattered rape seeds can be conveniently blown to the seed collecting bin 3, meanwhile, the scattered rape seeds can be conveniently and uniformly collected, and the collecting dead angle is reduced.
The main airflow pipe 7 is connected with 3 first air pipes 9, the first air pipes 9 penetrate through the main airflow pipe 7 and the first airflow distributor 11, and 1 row of branch airflow pipes 5 are distributed on the main airflow pipe 7, so that the main airflow pipe 7 can enable the 1 row of branch airflow pipes 5 distributed on the main airflow pipe 7 to generate uniform airflow through the 3 first air pipes 9.
The negative pressure generating device 12 is provided with a negative pressure port 1201, an air outlet 1202 and an air inlet 1203, the negative pressure port 1201 is connected with the second air pipe 10, the air outlet 1202 is connected with the fourth air pipe 14, and the air inlet 1203 is also connected with the second air flow distributor 15 through the third air pipe 13, so that positive pressure air flow can enter the negative pressure generating device 12 through the negative pressure port 1201, and negative pressure air flow is generated at the negative pressure port 1201, so that rape seeds can be sucked in and flow out of the air outlet 1202 to enter the grain bin 16.
The number of the third air ducts 13 is 2, and the 2 third air ducts 13 respectively penetrate through the fan 17, the main air duct 7, the fan 17 and the negative pressure generating device 12, so that the 2 third air ducts 13 can be conveniently and respectively communicated with the fan 17, the main air duct 7, the fan 17 and the negative pressure generating device 12.
The working principle is as follows: when the rape combine vertical cutting knife with the air flow recovery device is used, firstly, the rape combine vertical cutting knife with the air flow recovery device is installed on a rape seed harvester, the harvester is started to enable the harvester to harvest in a rape seed field, when the harvester harvests rape seeds, the vertical cutting knife 2 cuts the rape seeds, meanwhile, a fan 17 operates under the action of a hydraulic motor 18, because the fan 17 is connected with a second air flow distributor 15, the second air flow distributor 15 is connected with a first air flow distributor 11 through a third air pipe 13, and the first air flow distributor 11 is connected with a main air flow pipe 7 through a first air pipe 9, the air flow generated by the fan 17 can not only enter the main air flow pipe 7, but also can enter a negative pressure generating device 12 because the second air flow distributor 15 is connected with an air inlet 1203 on the negative pressure generating device 12 through another third air pipe 13, according to the Venturi principle, the airflow generates negative pressure airflow at a negative pressure port 1201 in a negative pressure generating device 12, the negative pressure airflow and the rapeseeds cut by the vertical cutting knife 2 flow out through an air outlet 1202, the air outlet 1202 is connected with a grain tank 16 through a fourth air pipe 14, so the rapeseeds cut by the vertical cutting knife 2 finally enter the grain tank 16, the airflow entering the main airflow pipe 7 enters the blade protector 4 with an airflow channel through the airflow channel 401 and is ejected through an air outlet 402, so that the scattered rapeseeds are blown into a grain collecting bin 3 and enter the rapeseeds in the grain collecting bin 3, then enter a second air pipe 10 through a negative pressure recovery port 8, enter the second air pipe 10, then enter the negative pressure generating device 12 through the negative pressure port, and enter the grain tank 16 through the air outlet 1202 along with the negative pressure airflow, and are collected, finally, the bins 16 are periodically opened for bagging and collection, and those not described in detail in this specification are well known to those skilled in the art.
It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a rape combine erects cutting knife with air current recovery unit, includes header (1), its characterized in that: it also comprises negative pressure generating means (12); a fan (17) is installed on the header (1), the fan (17) is connected to a hydraulic motor (18), the fan (17) is connected to a second airflow distributor (15), the second airflow distributor (15) is connected to a first airflow distributor (11) through a third air pipe (13), the first airflow distributor (11) is connected to a main airflow pipe (7) through a first air pipe (9), the main airflow pipe (7) is installed on the cutter holder (6), a branch airflow pipe (5) is arranged on the main airflow pipe (7), the branch airflow pipe (5) is connected to a blade protector (4) with an airflow channel, the blade protector (4) with the airflow channel is installed on the cutter holder (6), the negative pressure generating device (12) is connected to a fourth air pipe (14), the fourth air pipe (14) is connected to a grain tank (16), and the second airflow distributor (15) is connected to a negative pressure generating device (12) through the third air pipe (13) And the negative pressure generating device (12) is connected with a second air pipe (10), the second air pipe (10) is connected with the kernel collecting bin (3) through a negative pressure recovery port (8), and the cutter holder (6) is provided with a vertical cutting knife (2).
2. The rape combine vertical cutter with the air flow recovery device as claimed in claim 1, wherein: the edge protector (4) with the air flow channel is provided with the air flow channel (401) and the air outlet hole (402), the air flow channel (401) is connected with the branch air flow pipe (5), the edge protector (4) with the air flow channel and the vertical cutting knife (2) are uniformly distributed on the knife holder (6), and the edge protector (4) with the air flow channel and the vertical cutting knife (2) are distributed at intervals.
3. The rape combine vertical cutter with the air flow recovery device as claimed in claim 1, wherein: the air purifier is characterized in that 3 first air pipes (9) are connected to the main air pipe (7), the first air pipes (9) penetrate through the main air pipe (7) and the first air distributor (11), and 1 row of branch air pipes (5) are distributed on the main air pipe (7).
4. The rape combine vertical cutter with the air flow recovery device as claimed in claim 1, wherein: the negative pressure generating device (12) is provided with a negative pressure port (1201), an air outlet (1202) and an air inlet (1203), the negative pressure port (1201) is connected with the second air pipe (10), the air outlet (1202) is connected with the fourth air pipe (14), and the air inlet (1203) is also connected with the second air flow distributor (15) through the third air pipe (13).
5. The rape combine vertical cutter with the air flow recovery device as claimed in claim 1, wherein: the number of the third air pipes (13) is 2, and the 2 third air pipes (13) respectively penetrate through the fan (17), the main air flow pipe (7), the fan (17) and the negative pressure generating device (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464747.7A CN109362339B (en) | 2018-12-03 | 2018-12-03 | Vertical cutting knife of rape combine harvester with airflow recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464747.7A CN109362339B (en) | 2018-12-03 | 2018-12-03 | Vertical cutting knife of rape combine harvester with airflow recovery device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109362339A CN109362339A (en) | 2019-02-22 |
| CN109362339B true CN109362339B (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811464747.7A Active CN109362339B (en) | 2018-12-03 | 2018-12-03 | Vertical cutting knife of rape combine harvester with airflow recovery device |
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| Country | Link |
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| CN (1) | CN109362339B (en) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19632895C2 (en) * | 1996-08-16 | 2002-07-04 | Claas Kgaa Mbh | Harvester |
| KR100820934B1 (en) * | 2006-10-25 | 2008-04-11 | 대한민국(관리부서:농촌진흥청) | The combine equipment for rape harvesting |
| CN102860172A (en) * | 2011-07-07 | 2013-01-09 | 华中农业大学 | Header of rape combine harvester |
| CN202335242U (en) * | 2011-11-28 | 2012-07-18 | 王贵国 | Cutting platform used for combined harvester and capable of reducing grain loss |
| JP2013135619A (en) * | 2011-12-28 | 2013-07-11 | Yanmar Co Ltd | Combine harvester |
| US20130263566A1 (en) * | 2012-04-05 | 2013-10-10 | Benjamin M. Lovett | Draper header and crop divider knife |
| CN103518489B (en) * | 2013-10-11 | 2016-01-20 | 华中农业大学 | A kind of field shattering collection method of rape combined harvester and device |
| CN203482638U (en) * | 2013-10-11 | 2014-03-19 | 民勤县运腾农机具科贸有限公司 | Air-suction type harvester for grass seed harvest |
| CN104686062B (en) * | 2015-03-19 | 2016-08-17 | 青岛农业大学 | Community grain harvester combine strength auxiliary cutting table apparatus |
| CN205336874U (en) * | 2016-01-19 | 2016-06-29 | 南京农业大学 | District rice and wheat combine air blown type header device |
| CN107155508B (en) * | 2017-07-21 | 2023-03-14 | 河南科技大学 | Air-blowing type divider device of combine harvester suitable for harvesting coarse cereals |
| CN108575269B (en) * | 2018-04-10 | 2021-06-15 | 甘肃农业大学 | Bionic flax harvesting device and harvesting method |
| CN108496540B (en) * | 2018-05-15 | 2024-04-09 | 江苏大学 | Low-loss rape header |
| CN209201553U (en) * | 2018-12-03 | 2019-08-06 | 农业部南京农业机械化研究所 | A kind of perpendicular cutter of the rape combined harvester with air flow recovery device |
-
2018
- 2018-12-03 CN CN201811464747.7A patent/CN109362339B/en active Active
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| CN109362339A (en) | 2019-02-22 |
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