CN114175913B - Combine harvester - Google Patents
Combine harvester Download PDFInfo
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- CN114175913B CN114175913B CN202111667083.6A CN202111667083A CN114175913B CN 114175913 B CN114175913 B CN 114175913B CN 202111667083 A CN202111667083 A CN 202111667083A CN 114175913 B CN114175913 B CN 114175913B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 90
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims description 33
- 244000025254 Cannabis sativa Species 0.000 claims description 23
- 239000010902 straw Substances 0.000 claims description 19
- 230000002706 hydrostatic effect Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 abstract description 11
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 3
- 235000013339 cereals Nutrition 0.000 description 49
- 238000012856 packing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 241001124569 Lycaenidae Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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Classifications
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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
- A01D41/06—Combines with headers
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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
- A01D41/02—Self-propelled 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
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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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a combine harvester which comprises a grain pulling header device, a lifting gap bridge device, a threshing separation device, a cleaning device, a rod diameter chopping device, a grain collecting device and a driving device, wherein the threshing separation device comprises a feeding roller, a front threshing shaft, a rear threshing roller, a rear threshing shaft and two differential mechanism assemblies which are coaxially arranged, an output roller, the front threshing roller and the rear threshing roller are sequentially arranged along the axial direction of a transmission shaft assembly, the feeding roller and the front threshing roller are fixedly connected with the front threshing shaft, the rear threshing roller is fixedly connected with the rear threshing shaft, and one end of the front threshing shaft is connected with one end of the rear threshing shaft. The combine harvester of the invention realizes the differential threshing of the front threshing cylinder and the rear threshing cylinder, effectively deals with the threshing of various crops, and realizes the most reasonable optimization of the total loss rate, the crushing rate and the impurity rate through the threshing test of different crops.
Description
Technical Field
The invention relates to the technical field of agricultural mechanical equipment, in particular to a combine harvester.
Background
At present, under the drive of factors such as national policy guidance, rural labor force transfer and the like, the domestic land circulation speed is accelerated, the area of a single land is increased, the tractor-ploughing path is widened, and the acre yield of crops is continuously improved. Users have increasingly demanded the operating efficiency of combine harvesters.
In the prior art, the whole-feeding axial-flow type combine harvester mostly adopts a single roller with fixed rotating speed for harvesting rice and wheat grains, and adopts a higher rotating speed for reducing loss because the rotating speed of a threshing roller is single. Therefore, the crushing rate is high, the crushed stalks are more in cleaning load, the impurity content is high, the power consumption is high, the operation quality is not ideal, and the applicability to crops is poor.
Disclosure of Invention
The combine harvester provided by the invention solves the technical problems that the threshing cylinders of the existing harvester are single in rotating speed, unsatisfactory in operation quality and poor in applicability to crops.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a combine harvester comprises a grain pulling header device, a lifting gap bridge device at the downstream of the grain pulling header device, a threshing and separating device at the downstream of the lifting gap bridge device, a cleaning device at the downstream of the threshing and separating device, a rod diameter cutting device at the rear lower part of a straw outlet of the cleaning device, a grain collecting device at a grain outlet at the lower part of the cleaning device, a grain collecting device and a driving device for collecting raw grains in the grain collecting device, the threshing and separating device comprises a feeding roller, a front threshing shaft, a rear threshing roller, a rear threshing shaft and two differential mechanism components, an output roller, the front threshing roller and the rear threshing roller are sequentially arranged along the axial direction of a transmission shaft component, the feeding roller and the front threshing roller are fixedly connected with a front threshing shaft, the rear threshing roller is fixedly connected with a rear threshing shaft, one end of the front threshing shaft is connected with one end of the rear threshing shaft, the other end of the front shaft is connected with the corresponding differential mechanism component, and the other end of the rear threshing shaft is connected with the corresponding threshing mechanism.
Furthermore, the differential assembly comprises a differential box, a differential input shaft in transmission connection with an input end of the differential box, a reversing output shaft in transmission connection with a first output end of the differential box and a self-adaptive output shaft in transmission connection with a second output end of the differential box, the reversing output shaft is arranged perpendicular to the differential input shaft, the other end of the front threshing shaft is connected with the reversing output shaft of the corresponding differential assembly, and the other end of the rear threshing shaft is connected with the reversing output shaft of the corresponding differential assembly.
Furthermore, the straw pulling and cutting table device comprises a straw pulling wheel and a cutting table mechanism, wherein the cutting table mechanism is positioned between the straw pulling wheel and the lifting gap bridge device so as to receive the straws cut by the cutting table mechanism and convey the straws to the threshing and separating device.
Furthermore, a driving device is arranged on the rack below the lifting gap bridge device, the driving device is provided with a driving output belt pulley, a main transmission shaft is arranged on one side, close to the cleaning device, of the rack, a main transmission belt pulley is arranged on the main transmission shaft, and the main transmission belt pulley is used for driving the two differential input shafts to rotate in the same direction.
Furthermore, one side of the rack close to the rod diameter chopping device is provided with a first chopped grass transition input belt pulley and a second chopped grass transition input belt pulley which are coaxially arranged, the rod diameter chopping device is provided with a first chopped grass output belt pulley and a second chopped grass output belt pulley which are coaxially arranged, a differential input shaft close to the front threshing roller is provided with a front differential input belt pulley, a differential input shaft close to the rear threshing roller is provided with a rear differential input belt pulley, a first end of a main transmission belt pulley is connected with the front differential input belt pulley through a transmission belt, a second end of the main transmission belt pulley is connected with the first chopped grass transition input belt pulley through a transmission belt, the second chopped grass transition input belt pulley is connected with the first chopped grass output belt pulley through a transmission belt, and the second chopped grass output belt pulley is connected with the rear differential input belt through a transmission belt.
Furthermore, a transmission transition wheel which is coaxially arranged with the front differential input belt pulley is arranged on the threshing and separating device, a first gap bridge input belt pulley and a first gap bridge input chain pulley which are coaxially arranged are arranged at a moment input end of the lifting gap bridge device, a first gap bridge output chain pulley and a second gap bridge output chain pulley which are coaxially arranged are arranged at a moment output end of the lifting gap bridge device, a header input chain pulley and a header output chain pulley which are coaxially arranged are arranged on the header mechanism, a grain pulling input chain pulley and a grain pulling input belt pulley which are coaxially arranged are arranged at a moment input end of the grain pulling mechanism, a grain pulling output belt pulley is arranged at a moment output end of the grain pulling mechanism, the transmission transition wheel is in transmission connection with the first gap bridge input belt pulley through a belt, the first gap bridge input chain pulley is in transmission connection with the first gap bridge output chain pulley through a chain, the second gap bridge output chain pulley is in transmission connection with the header input chain through a chain, the grain pulling input chain pulley is in transmission connection with the group and output belt through a belt transmission connection with the grain pulling input belt.
Furthermore, a chain tension pulley is arranged between the header output chain wheel and the grain pulling input chain wheel, and a belt tension pulley is arranged between the first gap bridge input chain wheel and the first gap bridge output chain wheel.
Furthermore, a first auger belt pulley, an auger transmission transition wheel, a second auger belt pulley and an output vibrating screen pendulum shaft belt pulley which are sequentially arranged at intervals are arranged on the seed grain collecting device, the auger transmission transition wheel and the input vibrating screen pendulum shaft belt pulley are coaxially arranged, the second end of the main transmission belt pulley, the first auger belt pulley, the auger transmission transition wheel and the second auger belt pulley are connected through belt transmission, and the output vibrating screen pendulum shaft belt pulley and the input vibrating screen pendulum shaft belt pulley are connected through belt transmission.
Furthermore, a grain unloading belt pulley is arranged on the grain collecting device, and the grain unloading belt pulley is in transmission connection with the second end of the driving output belt pulley through a belt.
Further comprises a walking device for walking, a hydrostatic pressure input belt pulley is arranged at the lower part of the frame,
the third end of the driving output belt pulley is in transmission connection with the hydrostatic pressure input belt pulley so as to drive the running gear to move.
The invention has the following beneficial effects:
the combine harvester comprises a grain pulling header device, a lifting gap bridge device, a threshing separation device, a cleaning device, a rod diameter chopping device, a grain collecting device 7 and a driving device, under the action of the driving device, automatic grain pulling, automatic separation, automatic rod cutting and automatic grain collection are realized, the threshing separation device comprises a feeding roller, a front threshing shaft, a rear threshing roller, a rear threshing shaft and two differential mechanism assemblies which are coaxially arranged, the two T-shaped differential mechanism assemblies are used, differential threshing of the front threshing roller and the rear threshing roller is realized, the combine harvester can effectively deal with the use of threshing of various crops, and the most reasonable optimization of total loss rate, crushing rate and impurity content rate is realized through a threshing test of different crops.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a combine harvester according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the threshing and separating device of FIG. 1;
FIG. 3 is a schematic view of a part of the threshing and separating device shown in FIG. 2;
FIG. 4 is a schematic structural view of the differential assembly of FIG. 2;
fig. 5 is a schematic view of a transmission structure of the combine harvester according to the preferred embodiment of the present invention.
Illustration of the drawings:
100. a combine harvester; 10. a grain pulling header device; 20. lifting the gap bridge device; 30. a threshing and separating device; 31. a differential assembly; 40. a cleaning device; 50. a rod diameter chopping device; 60. a grain collection device; 70. a grain collecting device; 80. a walking device.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
Fig. 1 is a schematic structural view of a combine harvester according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of the threshing-separating device of FIG. 1; FIG. 3 is a schematic view of a part of the threshing and separating device of FIG. 2; FIG. 4 is a schematic structural view of the differential assembly of FIG. 2; fig. 5 is a schematic view of the transmission structure of the combine harvester according to the preferred embodiment of the invention.
As shown in fig. 1, 2, 3 and 4, the combine harvester 100 of the present embodiment includes a grain-pulling header device 10, a lifting gap bridge device 20 located at the downstream of the grain-pulling header device 10, a threshing separation device 30 located at the downstream of the lifting gap bridge device 20, a cleaning device 40 located at the downstream of the threshing separation device 30, a rod diameter chopping device 50 located at the rear lower part of a straw outlet of the cleaning device 40, a grain collection device 60 located at a grain outlet below the cleaning device 40, a grain collection device 70 for collecting raw grains in the grain collection device 60, and a driving device, wherein the threshing separation device 30 includes a feeding cylinder, a front threshing shaft, a rear threshing cylinder, a rear threshing shaft, and two differential assemblies 31 coaxially arranged, an output cylinder, the front threshing cylinder, and the rear threshing cylinder are sequentially arranged along the axial direction of a transmission shaft assembly, the feeding cylinder and the front threshing cylinder are fixedly connected to the front shaft, the rear cylinder is fixedly connected to the rear threshing shaft, one end of the front threshing shaft is connected to the corresponding differential assembly 31, and the other end of the differential assembly is connected to the rear threshing shaft assembly.
The combine harvester 100 comprises a grain pulling header device 10, a lifting gap bridge device 20, a threshing separation device 30, a cleaning device 40, a rod diameter chopping device 50, a grain collecting device 60, a grain collecting device 70 and a driving device, under the action of the driving device, automatic grain pulling, automatic separation, automatic rod cutting and automatic grain collection are realized, through arranging the threshing separation device 30 comprising a feeding roller, a front threshing shaft, a rear threshing roller, a rear threshing shaft and two differential mechanism assemblies 31 which are coaxially arranged, and by using the two T-shaped differential mechanism assemblies 31, differential threshing of the front threshing roller and the rear threshing roller is realized, so that the combine harvester can effectively deal with the threshing use of various crops, and the most reasonable optimization of total loss rate, crushing rate and impurity containing rate is realized through a threshing test of different crops.
Further, the differential assembly 31 includes a differential case, a differential input shaft in transmission connection with an input end of the differential case, a reversing output shaft in transmission connection with a first output end of the differential case, and a self-adaptive output shaft in transmission connection with a second output end of the differential case, the reversing output shaft is arranged perpendicular to the differential input shaft, the other end of the front threshing shaft is connected with the reversing output shaft of the corresponding differential assembly 31, and the other end of the rear threshing shaft is connected with the reversing output shaft of the corresponding differential assembly.
Further, the stalk-pulling header device 10 includes a stalk-pulling wheel and a header mechanism, and the header mechanism is located between the stalk-pulling wheel and the lifting gap bridge device 20 to receive the stalks cut by the header mechanism and convey the stalks to the threshing and separating device 30.
Referring to fig. 5, further, a driving device is disposed on the frame below the lifting gap bridge device 20, the driving device has a driving output pulley, a main transmission shaft is disposed on one side of the frame near the cleaning device 40, and a main transmission pulley is disposed on the main transmission shaft and is used for driving the two differential input shafts to rotate in the same direction.
Furthermore, a first chopped straw transition input belt pulley and a second chopped straw transition input belt pulley which are coaxially arranged are arranged on one side of the rack close to the rod diameter chopping device 50, a first chopped straw output belt pulley and a second chopped straw output belt pulley which are coaxially arranged are arranged on the rod diameter chopping device 50, a front differential input belt pulley is arranged on a differential input shaft close to the front threshing roller, a rear differential input belt pulley is arranged on a differential input shaft close to the rear threshing roller, a first end of a main transmission belt pulley is connected with the front differential input belt pulley through a transmission belt, a second end of the main transmission belt pulley is connected with the first chopped straw transition input belt pulley through the transmission belt, a second chopped straw transition input belt pulley is connected with the first chopped straw transition output belt pulley through the transmission belt, a second chopped straw output belt pulley is connected with the rear differential input belt through the transmission belt, the rotating speed of the rear threshing roller can be changed to meet threshing requirements of different differential speeds through changing the diameter of the second chopped straw output belt quickly and effectively, a fixed connecting plate is arranged on the front threshing roller and the rear threshing roller when the rear threshing roller input belt is removed, the coaxial and the crop co-axial cutting device can be quickly switched to the same speed, and the same speed of the crop can be quickly switched!
Furthermore, a transmission transition wheel which is coaxially arranged with the front differential input belt pulley is arranged on the threshing and separating device, a first gap bridge input belt pulley and a first chain wheel which are coaxially arranged are arranged at a moment input end of the lifting gap bridge device 20, a first gap bridge output chain wheel and a second gap bridge output chain wheel which are coaxially arranged are arranged at a moment output end of the lifting gap bridge device 20, a header input chain wheel and a header output chain wheel which are coaxially arranged are arranged on the header mechanism, a grain pulling input chain wheel and a grain pulling input belt pulley which are coaxially arranged are arranged at a moment input end of the grain pulling mechanism, a grain pulling output belt pulley is arranged at a moment output end of the grain pulling mechanism, the transmission transition wheel is in transmission connection with the first gap bridge input belt pulley through a belt, the first gap bridge input chain wheel is in transmission connection with the first gap bridge output chain wheel through a chain, the second gap bridge output chain wheel is in transmission connection with the header input chain wheel through a chain, and the grain pulling input chain wheel is in transmission connection with the group and output belt through a belt.
Furthermore, a chain tension pulley is arranged between the header output chain wheel and the grain pulling input chain wheel, and a belt tension pulley is arranged between the first gap bridge input chain wheel and the first gap bridge output chain wheel.
Furthermore, a first auger belt pulley, an auger transmission transition wheel, a second auger belt pulley and an output vibrating screen pendulum shaft belt pulley which are sequentially arranged at intervals are arranged on the seed collecting device 60, the auger transmission transition wheel and the input vibrating screen pendulum shaft belt pulley are coaxially arranged, the second end of the main transmission belt pulley, the first auger belt pulley, the auger transmission transition wheel and the second auger belt pulley are in transmission connection through a belt, and the output vibrating screen pendulum shaft belt pulley and the input vibrating screen pendulum shaft belt pulley are in transmission connection through a belt.
Further, a grain unloading belt pulley is arranged on the grain collecting device 60, and the grain unloading belt pulley is in transmission connection with the second end of the driving output belt pulley through a belt.
Furthermore, the walking device 80 for walking is further included, a hydrostatic input pulley is arranged at the lower part of the frame, and the third end of the driving output pulley is in transmission connection with the hydrostatic input pulley so as to drive the walking device 80 to move.
Furthermore, a second output shaft of the front differential assembly is coaxially arranged with the differential input shaft, a reverse output belt pulley is arranged on the second output shaft of the front differential assembly, the reverse belt pulley is in clutch connection with a reverse belt pulley coaxially arranged with the first gap bridge input belt pulley through a belt, and a transmission transition wheel coaxially arranged with the differential gearbox input belt pulley and the first gap bridge input belt pulley are provided with a belt rapid clutch device which can provide positive and negative driving force for the lifting gap bridge device so as to realize the reverse rotation of the lifting, cutting table and reel; the threshing and separating device also comprises a fastening connecting piece for fixedly connecting the front threshing cylinder and the rear threshing cylinder, and when the rear threshing cylinder is used for removing a rear differential input belt, the front threshing cylinder and the rear threshing cylinder are provided with fixed connecting plates through the fastening connecting piece, and are quickly restored to be single-speed cylinders, so that coaxial speed synchronization and coaxial differential speed quick switching are realized.
In summary, the combine harvester 100 of the present invention, under the action of the driving device, includes: one of the paths, the drive output pulley, the hydrostatic input pulley, the track drive wheel of the running gear 80; the second path drives an output belt pulley, a main transmission belt pulley, a front differential input belt pulley and a front threshing cylinder; a third driving output belt pulley, a main driving belt pulley, a front differential input belt pulley, a transmission transition wheel, a first bridge input belt pulley, a first bridge input chain wheel, a first bridge output chain wheel, a second bridge output chain wheel, a header input chain wheel, a header output chain wheel, a grain pulling input belt pulley and a grain pulling output belt pulley; driving an output belt pulley, a main transmission belt pulley, a first packing auger belt pulley, a packing auger transmission transition wheel and a second packing auger belt pulley, wherein the input vibrating screen swinging belt pulley and the packing auger transmission transition wheel synchronously rotate and drive the output vibrating screen swinging belt pulley to rotate; and the fifth path comprises a driving output belt pulley, a main transmission belt pulley, a grass chopping transition first input belt pulley, a grass chopping transition second input belt pulley, a grass chopping first output belt pulley, a grass chopping second output belt pulley and a rear differential input belt pulley. The whole transmission structure is compact, the transmission power loss is less, and the grass chopping second output belt pulley is effectively utilized as the intermediate bridge shaft to drive the rear differential input belt pulley to work.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A combine harvester is characterized in that,
comprises a grain pulling header device, a lifting gap bridge device positioned at the downstream of the grain pulling header device, a threshing and separating device positioned at the downstream of the lifting gap bridge device, a cleaning device positioned at the downstream of the threshing and separating device, a rod diameter cutting device positioned at the rear lower part of a straw outlet of the cleaning device, a grain collecting device positioned at a grain outlet below the cleaning device, a grain collecting device used for collecting raw grains in the grain collecting device and a driving device,
the threshing and separating device comprises a feeding cylinder, a front threshing shaft, a rear threshing cylinder, a rear threshing shaft and two differential assemblies which are coaxially arranged, the feeding cylinder, the front threshing cylinder and the rear threshing cylinder are sequentially arranged along the axial direction of a transmission shaft assembly, the feeding cylinder and the front threshing cylinder are fixedly connected with the front threshing shaft, the rear threshing cylinder is fixedly connected with the rear threshing shaft, one end of the front threshing shaft is connected with one end of the rear threshing shaft, the other end of the front threshing shaft is connected with the corresponding differential assembly, and the other end of the rear threshing shaft is connected with the corresponding differential assembly,
the differential assembly comprises a differential box, a differential input shaft in transmission connection with an input end of the differential box, a reversing output shaft in transmission connection with a first output end of the differential box and a self-adaptive output shaft in transmission connection with a second output end of the differential box, the reversing output shaft is perpendicular to the differential input shaft and arranged, the other end of the front threshing shaft is connected with the reversing output shaft of the differential assembly correspondingly, the other end of the rear threshing shaft is connected with the reversing output shaft of the differential assembly correspondingly,
the driving device is arranged on the machine frame below the lifting gap bridge device, the driving device is provided with a driving output belt pulley, one side of the machine frame close to the cleaning device is provided with a main transmission shaft, the main transmission shaft is provided with a main transmission belt pulley, the main transmission belt pulley is used for driving the two differential input shafts to rotate in the same direction,
a first chopped grass transition input belt pulley and a second chopped grass transition input belt pulley which are coaxially arranged are arranged on one side, close to the rod diameter chopping device, of the rack, a first chopped grass output belt pulley and a second chopped grass output belt pulley which are coaxially arranged are arranged on the rod diameter chopping device, a front differential input belt pulley is arranged on a differential input shaft, close to the front threshing cylinder, a rear differential input belt pulley is arranged on the differential input shaft, close to the rear threshing cylinder, of the rack, a first end of a main transmission belt pulley is connected with the front differential input belt pulley through a transmission belt, a second end of the main transmission belt pulley is connected with the first chopped grass transition input belt pulley through a transmission belt, the second chopped grass transition input belt pulley is connected with the first chopped grass output belt pulley through a transmission belt, and the second chopped grass output belt pulley is connected with the rear differential input belt pulley through a transmission belt,
the rotating speed of the rear threshing cylinder can be changed very quickly and effectively by changing the diameter of the second broken grass output belt pulley to meet threshing requirements of various crops, the front and rear threshing cylinders are provided with fixed connecting plates to be quickly restored into single-speed cylinders when the rear differential input belt is removed, the coaxial and same-speed threshing cylinders are switched coaxially and quickly, the whole transmission structure is compact, the transmission power loss is low, and the second broken grass output belt pulley is effectively utilized as a middle bridge shaft to drive the rear differential input belt pulley to work.
2. A combine harvester according to claim 1,
the grain pulling header device comprises a grain pulling wheel and a header mechanism, wherein the header mechanism is positioned between the grain pulling wheel and the lifting gap bridge device to receive the straws cut by the header mechanism and convey the straws to the threshing and separating device.
3. A combine harvester according to claim 2,
the threshing and separating device is provided with a transmission transition wheel which is coaxially arranged with the front differential input belt pulley,
the moment input end of the lifting gap bridge device is provided with a first gap bridge input belt pulley and a first gap bridge input chain wheel which are coaxially arranged, the moment output end of the lifting gap bridge device is provided with a first gap bridge output chain wheel and a second gap bridge output chain wheel which are coaxially arranged,
the header mechanism is provided with a header input chain wheel and a header output chain wheel which are coaxially arranged,
a grain pulling input chain wheel and a grain pulling input belt wheel which are coaxially arranged are arranged at the torque input end of the grain pulling wheel, a grain pulling output belt wheel is arranged at the torque output end of the grain pulling wheel,
the transmission is crossed the ferryboat with first bridge input pulley passes through belt drive and is connected, first bridge input sprocket with first bridge output sprocket passes through chain drive and connects, the second bridge output sprocket with header input sprocket passes through chain drive and connects, header output sprocket with pull out standing grain input sprocket and pass through chain drive and connect, pull out standing grain input pulley with pull out standing grain output pulley and pass through belt drive and connect.
4. A combine harvester according to claim 3,
a chain tension pulley is arranged between the cutting table output chain wheel and the stalk pulling input chain wheel,
and a belt tensioning wheel is arranged between the first intermediate input chain wheel and the first intermediate output chain wheel.
5. A combine harvester according to claim 1,
the grain collecting device is provided with a first auger belt wheel, an auger transmission transition wheel, a second auger belt wheel and an output vibrating screen pendulum shaft belt wheel which are sequentially arranged at intervals, the auger transmission transition wheel and the input vibrating screen pendulum belt wheel are coaxially arranged,
the second end of the main drive belt pulley, the first auger belt pulley, the auger drive transition wheel and the second auger belt pulley are connected through belt drive, and the output vibrating screen pendulum shaft belt pulley is connected with the input vibrating screen pendulum belt pulley through belt drive.
6. A combine harvester according to claim 1,
the grain collecting device is provided with a grain unloading belt pulley, and the grain unloading belt pulley is connected with the second end of the driving output belt pulley in a belt transmission manner.
7. A combine harvester according to claim 1,
also comprises a walking device for walking, a hydrostatic pressure input belt pulley is arranged at the lower part of the frame,
and the third end of the driving output belt pulley is in transmission connection with the hydrostatic pressure input belt pulley so as to drive the running gear to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111667083.6A CN114175913B (en) | 2021-12-31 | 2021-12-31 | Combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111667083.6A CN114175913B (en) | 2021-12-31 | 2021-12-31 | Combine harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114175913A CN114175913A (en) | 2022-03-15 |
| CN114175913B true CN114175913B (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111667083.6A Active CN114175913B (en) | 2021-12-31 | 2021-12-31 | Combine harvester |
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| Country | Link |
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| CN (1) | CN114175913B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU6557701A (en) * | 2000-09-01 | 2002-03-07 | Schutt, Craig James | Combine harvesters |
| CN104221585A (en) * | 2014-09-02 | 2014-12-24 | 江苏大学 | Large-feed-amount crawler-type cutting cross-flow multi-roller combined harvester |
| CN105123147A (en) * | 2015-09-22 | 2015-12-09 | 福田雷沃国际重工股份有限公司 | Threshing cleaning device of longitudinal-axial-flow combine harvester |
| CN105123094A (en) * | 2015-09-22 | 2015-12-09 | 福田雷沃国际重工股份有限公司 | Longitudinal-axial-flow combine harvester |
| CN106612900A (en) * | 2016-11-15 | 2017-05-10 | 金华职业技术学院 | Arrangement modified structure of header and conveying threshing device of grain combine harvester |
-
2021
- 2021-12-31 CN CN202111667083.6A patent/CN114175913B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU6557701A (en) * | 2000-09-01 | 2002-03-07 | Schutt, Craig James | Combine harvesters |
| CN104221585A (en) * | 2014-09-02 | 2014-12-24 | 江苏大学 | Large-feed-amount crawler-type cutting cross-flow multi-roller combined harvester |
| CN105123147A (en) * | 2015-09-22 | 2015-12-09 | 福田雷沃国际重工股份有限公司 | Threshing cleaning device of longitudinal-axial-flow combine harvester |
| CN105123094A (en) * | 2015-09-22 | 2015-12-09 | 福田雷沃国际重工股份有限公司 | Longitudinal-axial-flow combine harvester |
| CN106612900A (en) * | 2016-11-15 | 2017-05-10 | 金华职业技术学院 | Arrangement modified structure of header and conveying threshing device of grain combine harvester |
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| CN114175913A (en) | 2022-03-15 |
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