RU2821353C1 - Combine harvester - Google Patents

Abstract

FIELD: agriculture.

SUBSTANCE: combine harvester, which includes: machine body, two drums with axial flow, engine and distributing box. Pair of drums with axial flow is installed on the machine body and is located adjacent and parallel to each other. Engine and transfer box are mounted on machine body. Engine is connected to transfer box and pair of drums with axial flow is connected to transfer box. Combine harvester includes a conveyor, a stone trap, a reducer, a fan, a pusher auger, a pre-cleaning sieve, return chute, grain elevator, top sieve, bottom sieve, residue elevator, straw unloading wheel, rear axle, grinder, grain unloading drum, exhaust gas additional treatment device, air cleaner, water tank, grain bin and cabin, which are located on the machine body. Conveyor, stone catcher, reduction gear, fan, pushing auger and cabin are installed in front part of machine body. A pre-cleaning sieve, a return chute, a grain elevator, an upper sieve, a lower sieve, an elevator of residues, a straw unloading wheel and a grain bin are installed in the middle part of the machine body. Rear axle, grinder, grain unloading drum, exhaust gas aftertreatment device, air cleaner and water tank are arranged at machine body rear.

EFFECT: compact design, improved stability and reliability of the combine, ease of maintenance, arrangement of the structure and installation position of each component of the combine facilitate assembly and maintenance of the combine.

9 cl, 5 dwg

Description

Cross-references to related applications

The present invention is Chinese National Stage Patent Application No. 202211334784.2, filed on October 28, 2022, entitled Grain Combine Harvester, the contents of which are incorporated herein by reference in their entirety.

Technical field

The present invention relates to the technical field of combine harvesters, in particular to a combine harvester.

Prerequisites for creating the invention

Large grain harvesters are in their infancy and can be divided into single axial flow combines, double axial flow combines, tangential flow single axial flow combines, and tangential flow double axial flow combines. After replacing some parts, they can be used to harvest wheat, corn, soybeans and other crops. Existing combines use a belt drive design with a clutch in the main transmission to drive the functional components of the combine primarily through a belt drive.

Since the upper limit of the transmission power of the existing clutch belt drive design is small, the ability to improve the feed speed and operating efficiency of the combine is limited.

The essence of the invention

The technical problem to be solved by the present invention is to provide a combine harvester, taking into account the disadvantages of the prior art.

The technical solution for solving the above technical problem in the present invention is as follows: a combine harvester includes a machine body, a pair of axial flow drums, an engine and a transfer case, wherein a pair of axial flow drums is mounted on the machine body, two axial flow drums located adjacent and parallel to each other, the engine and transfer case are mounted on the machine body, the engine is connected to the transfer case, and a pair of axial flow drums is connected to the transfer case.

The technical solution of the present invention has the following positive results: a transfer case and an integrated transmission housing structure are used to drive the drums, and a wet clutch is located in the transmission housing. An integrated transmission housing and integral wet clutch design are used, and the traditional clutch-belt drive design is eliminated to simplify the transmission and improve overall combine reliability. The high feed rate crop threshing and separation requirements are met by the dual longitudinal axial flow threshing and separation system. It is advisable to have large harvesting equipment to increase the feed speed of the combine.

In some embodiments, the transfer case is coupled to a drive pump, a grain unloading mechanism, a straw chopping and unloading mechanism, a header mechanism, a cleaning mechanism, and a grain collection mechanism.

The technical solution further described above has the following positive results: the engine is directly connected to the transfer case, the transfer case has five power take-off options, and the power transmission to the drum is carried out through a variable speed drive to the integrated transmission housing of the drums.

In some embodiments, the front portion of the machine body is provided with feed wheels, wherein the feed wheels are coupled to the transfer case, the feed wheels are located on the front side of a pair of axial flow drums, the pair of axle flow drums are located in the middle portion of the machine body, and the engine and transfer case are located at the rear of the machine.

The technical solution further described above has the following positive results: the technical design of “feed wheel and double longitudinal axial flow” is used, and the auxiliary feeding and acceleration of the cut ears is carried out by the feed wheels to improve the smooth operation of the harvester as a whole at high feed speeds.

In some embodiments, a pair of axial flow drums are coupled to the transfer case via a drum transmission housing.

The technical solution further described above has the following positive results: a transfer case and an integrated drum transmission housing are used for the main transmission, so that the power transmission path is simple and reliability is high.

In some embodiments, the machine body is equipped with a conveyor, a stone catcher, a gearbox, a fan, a push auger, a pre-cleaning screen, a return tray, a grain elevator, an upper screen, a lower screen, a residue elevator, a straw unloading wheel, a rear axle, a chopper, a grain unloading drum, after-treatment device, air cleaner, water tank, grain tank and cab; the conveyor is installed in the front part of the machine body and all of the stone catcher, gearbox, fan, pushing auger and cabin are installed in the front part of the machine body; All of the pre-cleaning sieve, return tray, grain elevator, upper sieve, lower sieve, residue elevator, straw unloading wheel and grain hopper are installed in the middle part of the machine body; and everything from the rear axle, chopper, grain unloading drum, exhaust gas after-treatment device, air cleaner and water tank are installed at the rear of the machine body.

The technical solution further described above has the following positive results: a gearbox located at the front improves ease of maintenance, the design layout and installation position of each component of the combine harvester makes installation and maintenance of the combine harvester easier, the structure is compact, and the stability and reliability of the combine harvester are improved.

In some embodiments, a rock catcher is located at the rear of the conveyor, a gearbox is located below the rock catcher, a push auger is located below a pair of axial flow drums, a fan is located below the push auger, a pre-cleaner screen is located under the front side of the return chute, a top screen is located below the return chute, a lower the sieve is located under the upper sieve, the grain elevator and residue elevator are located under the lower sieve, the grain elevator is located at the front side of the residue elevator, the straw unloading wheel is located above the return chute, the rear axle and chopper are located below the rear of the body, water tank, air cleaner, device after-treatment of exhaust gases and the grain unloading drum are located sequentially from the front to the rear of the machine body, the grain bin is located above the middle part of the body, and the cabin is located above the front of the machine body.

The technical solution further described above has the following positive results: to protect parts of the main system of the machine, a stone catcher is located between the conveyor feeding system and the threshing and cleaning system to pre-collect foreign objects such as stones that are abnormally fed during operation. The structure layout and installation position of each component of the harvester make the installation and maintenance of the harvester easier, the structure is compact, and the stability and reliability of the harvester are improved.

In some embodiments, a first lower grain bin auger and a second lower grain bin auger that are provided in the grain bin, a screen bin drive shaft that is provided on the pre-cleaner screen, a fan, a grain elevator, a chopper, a straw unloading wheel, a first lower grain bin auger hopper, the second lower grain tank auger and the drive shaft of the sieve hopper are connected to the transfer case.

The technical solution further described above has the following positive results: the arrangement of the power transmission paths and the interconnections of the components with the transmission facilitate the connection of the transmission between components to reduce losses in the power transmission paths and increase the stability and reliability of the combine; and, in addition, the transmission is simplified, the number of belts is significantly reduced, and the reliability of the transmission of the entire combine is improved.

In some embodiments, power to the fan, grain elevator, chopper, straw discharge wheel, first grain bin lower auger and second grain bin lower auger, and screen bin drive shaft is provided from the transfer case.

The technical solution further described above has the following positive results: the arrangement of power transmission paths and transmission interconnections of components simplifies power transmission paths between components to reduce losses in power transmission paths, improve the stability and reliability of the combine, and reduce costs.

In some embodiments, a pair of axial flow drums are located in a forward and rearward direction relative to the machine body.

The technical solution further described above has the following positive results: a threshing and separation system with double longitudinal axial flow is formed to meet the requirements for collection, threshing and cleaning at high feed rates.

Advantages of additional aspects of the present invention will be set forth in part in the description that follows, in part will become apparent from the following description, or will become apparent from practice of the present invention.

Brief description of graphic materials

In FIG. 1 is a first schematic block diagram of a combine harvester according to an embodiment of the present invention;

in Fig. 2 is a second schematic block diagram of a combine harvester according to an embodiment of the present invention;

in Fig. 3 is a third schematic block diagram of a combine harvester according to an embodiment of the present invention;

in Fig. 4 is a fourth schematic block diagram of a combine harvester according to an embodiment of the present invention; And

in Fig. 5 is a fifth schematic block diagram of a combine harvester according to an embodiment of the present invention.

Brief names of item numbers: 1. conveyor; 2. stone catcher; 3. feed wheel; 4. gearbox; 5. axial flow drum; 6. fan; 7. pushing auger; 8. pre-cleaning sieve; 9. return tray; 10. grain elevator; 11. upper sieve; 12. lower sieve; 13. residue elevator; 14. straw unloading wheel; 15. rear axle; 16. chopper; 17. grain unloading drum; 18. additional exhaust gas treatment device; 19. air purifier; 20. water tank; 21. engine; 22. transfer case; 23. drum transmission housing; 24. grain bin; 25. cabin; 26. machine body; 27. first lower grain tank auger; 28. second lower grain tank auger; 29. drive shaft of the sieve hopper; 30. Propulsion pump; 31. grain unloading mechanism; 32. straw chopping and unloading mechanism; 33. header mechanism; 34. cleaning mechanism; and 35. grain collection mechanism.

Detailed Description of Embodiments

The principles and features of the present invention will be described below in conjunction with the accompanying drawings, and the following examples are used only to explain the present invention and are not intended to limit the scope of the present invention.

As shown in FIG. 1-5, in an embodiment of the present invention, a grain harvester is provided, including: a machine body 26, a pair of axial flow drums 5, an engine 21, and a transfer case 22, wherein a pair of axial flow drums 5 is mounted on the machine body 26, a pair The axial flow drums 5 are located adjacent and parallel to each other, the engine 21 and the transfer case 22 are mounted on the machine body 26, the engine 21 is connected to the transfer box 22, and a pair of axial flow drums 5 is connected to the transfer case 22.

The technical solution of the present invention has the following positive results: an integrated transmission housing structure is used for transmission of drums, wherein an integrated transmission housing and integrated wet clutch structure are used for transmission of drums, and the traditional belt drive structure with clutch is eliminated to simplify the transmission and improve the reliability of the combine harvester generally. The high feed rate crop threshing and separation requirements are met by the dual longitudinal axial flow threshing and separation system. It is advisable to have large harvesting equipment to increase the feed speed of the combine.

The technical design of "feed wheel and double longitudinal axial flow" is adopted, and the integrated transmission housing design is used for the main clutch and drum transmission.

As shown in FIG. 5, in some embodiments, the transfer case 22 is connected to a propeller pump 30, a grain unloading mechanism 31, a straw chopper and unloading mechanism 32, a header mechanism 33, a cleaning mechanism 34, and a grain collection mechanism 35.

The technical solution further described above has the following positive results: the engine is directly connected to the transfer case, the transfer case has five power take-off options, and the power transmission to the drum is carried out through a variable speed drive to the integrated transmission housing of the drums.

As shown in FIG. 1-5, in some embodiments, the front part of the machine body 26 is provided with feed wheels 3, the feed wheels 3 are connected to the transfer case 22, the feed wheels 3 are located on the front side of a pair of axial flow drums 5, the pair of axial flow drums 5 is located in the middle parts of the housing 26, and the engine 21 and transfer case 22 are located in the rear part of the housing 26 of the machine.

The technical solution further described above has the following positive results: the technical design of “feed wheel and double longitudinal axial flow” is used, and the auxiliary feeding and acceleration of the cut ears is carried out by the feed wheels to improve the smooth operation of the harvester as a whole at high feed speeds.

As shown in FIG. 1-5, in some embodiments, a pair of axial flow drums 5 are coupled to the transfer case 22 via a drum transmission housing 23.

The technical solution further described above has the following positive results: a transfer case and an integrated drum transmission housing are used for the main transmission, so that the power transmission path is simple and reliability is high.

As shown in FIG. 1-5, in some embodiments, the machine body 26 is equipped with a conveyor 1, a stone catcher 2, a gearbox 4, a fan 6, a pushing auger 7, a pre-cleaning sieve 8, a return tray 9, a grain elevator 10, an upper sieve 11, a lower sieve 12, an elevator 13 residues, straw unloading wheel 14, rear axle 15, chopper 16, grain unloading drum 17, exhaust gas after-treatment device 18, air cleaner 19, water tank 20, grain bin 24 and cabin 25; the conveyor 1 is installed in the front part of the machine body 26, and all of the stone catcher 2, the gearbox 4, the fan 6, the pushing auger 7 and the cabin 25 are installed in the front part of the machine body 26; all of the pre-cleaning sieve 8, return tray 9, grain elevator 10, upper sieve 11, lower sieve 12, residue elevator 13, straw unloading wheel 14 and grain bin 24 are installed in the middle part of the machine body 26; and everything from the rear axle 15, the chopper 16, the grain unloading drum 17, the exhaust gas after-treatment device 18, the air cleaner 19 and the water tank 20 are installed in the rear of the machine body 26.

The technical solution further described above has the following positive results: the structure layout and installation position of each component of the harvester makes installation and maintenance of the harvester easier, the structure is compact, and the stability and reliability of the harvester are improved.

As shown in FIG. 1-5, in some embodiments, the stone catcher 2 is located on the rear side of the conveyor 1, the gearbox 4 is located below the stone catcher 2, the pushing auger 7 is located below a pair of axial flow drums 5, the fan 6 is located under the pushing auger 7, the pre-cleaning sieve 8 is located under the front side of the return tray 9, the upper sieve 11 is located below the return tray 9, the lower sieve 12 is located under the upper sieve 11, the grain elevator 10 and the residue elevator 13 are located under the lower sieve 12, the grain elevator 10 is located on the front side of the residue elevator 13, the wheel 14 straw unloading is located above the return tray 9, the rear axle 15 and the chopper 16 are located below the rear of the housing 26, the water tank 20, the air cleaner 19, the additional exhaust gas treatment device 18 and the grain unloading drum 17 are located sequentially from the front to the rear of the machine housing 26 , the grain tank 24 is located above the middle part of the body 26, and the cabin 25 is located above the front part of the machine body 26.

The technical solution further described above has the following positive results: the structure layout and installation position of each component of the harvester makes installation and maintenance of the harvester easier, the structure is compact, and the stability and reliability of the harvester are improved.

As shown in FIG. 1-5, in some embodiments, a first lower grain bin auger 27 and a second lower grain bin auger 28, which are provided in the grain bin 24, a screen bin drive shaft 29, which is provided on the pre-screen 8, and a fan 6, grain elevator 10 , the chopper 16, the straw unloading wheel 14, the first lower auger 27 of the grain bin, the second lower auger 28 of the grain bin and the drive shaft 29 of the sieve bin are connected to the transfer case 22.

The technical solution further described above has the following positive results: the arrangement of the power transmission paths and the interconnections of the components with the transmission facilitate the connection of the transmission between components to reduce losses in the power transmission paths and increase the stability and reliability of the combine.

As shown in FIG. 1-5, in some embodiments, the fan 6, grain elevator 10, chopper 16, straw discharge wheel 14, first lower grain bin auger 27 and second lower grain bin auger 28, and screen bin drive shaft 29 are connected to the transfer case 22 via belts. .

The technical solution further described above has the following positive results: the arrangement of power transmission paths and transmission interconnections of components simplifies power transmission paths between components to reduce losses in power transmission paths, improve the stability and reliability of the combine, and reduce costs.

As an alternative to belt, transmission can be realized by chain, gear or the like according to actual needs.

As shown in FIG. 1-5, in some embodiments, a pair of axial flow drums 5 are located in a forward and rearward direction relative to the machine body.

The technical solution, further described above, has the following positive results: a threshing and separation system with a double longitudinal axial flow is formed.

The combine harvester according to an embodiment of the present invention may be a multi-functional combine harvester. The technical design of "feeding wheel and double longitudinal axial flow" is adopted, and the auxiliary feeding and acceleration of the cut ears is carried out by the feeding wheels to improve the smooth operation of the overall harvester at high feeding speed. The double longitudinal axial flow threshing and separation system meets the threshing and separation requirements of crops with high feed rates.

The main transmission of the entire combine uses an integrated transmission housing, and the traditional clutch-belt drive design is eliminated to simplify the transmission and improve the overall reliability of the combine.

The technical design of "feed wheel and double longitudinal axial flow" and integrated transmission mode for the main machine are adopted. The engine 21 is directly coupled to the transfer case 22, the transfer case 22 has five power take-off options, and the power transmission to the drums (axial flow drums 5) is via a continuously variable transmission to the integrated drum transmission housing 23.

When using the feed wheel and double longitudinal axial flow, it is advisable to have large harvesting equipment to increase the feed speed of the combine. The transfer case and integrated drum transmission housing are used for the main transmission, so that the power transmission path is simple and the reliability is high.

Finally, it should be noted that the above embodiments are intended solely to illustrate the technical solution of the present invention and not to limit it; Although the present invention has been described in detail with reference to the above embodiments, it will be understood by those skilled in the art that the technical solutions described in the above embodiments may be modified or equivalent technical elements or technical solutions may be used in place of some or all of the technical elements or technical solutions; and the modification or substitution does not deviate from the scope of the corresponding technical solution from the scope of the technical solution of each embodiment of the present invention.

Claims (9)

1. A grain harvester, including: a machine body (26), a pair of axial flow drums (5), an engine (21) and a transfer case (22), with a pair of axial flow drums (5) mounted on the housing (26) machine, a pair of drums (5) with axial flow are located adjacent and parallel to each other, the engine (21) and the transfer case (22) are installed on the body (26) of the machine, the engine (21) is connected to the transfer case (22) and a pair of drums ( 5) with axial flow connected to the transfer case (22); the grain harvester includes a conveyor (1), a stone catcher (2), a gearbox (4), a fan (6), a pushing auger (7), a pre-cleaning sieve (8), a return tray (9), a grain elevator (10 ), upper sieve (11), lower sieve (12), residue elevator (13), straw unloading wheel (14), rear axle (15), chopper (16), grain unloading drum (17), additional device (18) exhaust gas treatment, air cleaner (19), water tank (20), grain bin (24) and cabin (25), which are located on the machine body (26); the conveyor (1) is installed in the front part of the machine body (26), and all of the stone catcher (2), gearbox (4), fan (6), pushing auger (7) and cabin (25) are installed in the front part of the body (26) cars; all of the pre-cleaner screen (8), return tray (9), grain elevator (10), top screen (11), bottom screen (12), residue elevator (13), straw discharge wheel (14) and grain bin (24 ) installed in the middle part of the body (26) of the machine; and all of the rear axle (15), chopper (16), grain unloading drum (17), exhaust gas after-treatment device (18), air cleaner (19) and water tank (20) are installed in the rear of the machine body (26) . 2. The grain harvester according to claim 1, including a propeller pump (30), a grain unloading mechanism (31), a straw chopping and unloading mechanism (32), a header mechanism (33), a cleaning mechanism (34) and a mechanism (35) grain collection; wherein the transfer case (22) is connected to the travel pump (30), the grain unloading mechanism (31), the straw chopping and unloading mechanism (32), the header mechanism (33), the cleaning mechanism (34) and the grain collection mechanism (35). 3. The combine harvester according to claim 1, including feed wheels (3), wherein the feed wheels (3) are located in the front part of the machine body (26), the feed wheels (3) are connected to the transfer case (22), the feed wheels ( 3) are located on the front side of a pair of drums (5) with axial flow, while a pair of drums (5) with axial flow is located in the middle part of the body (26) of the machine, and the engine (21) and transfer case (22) are located in the rear part body (26) of the machine. 4. The combine harvester according to claim 1, including a drum transmission housing (23), wherein a pair of axial flow drums (5) is connected to the transfer case (22) via a drum transmission housing (23). 5. The combine harvester according to claim 1, in which the stone catcher (2) is located on the rear side of the conveyor (1), the gearbox (4) is located below the stone catcher (2), the pushing auger (7) is located below a pair of drums (5) with axial flow , the fan (6) is located under the push auger (7), the pre-cleaning sieve (8) is located under the front side of the return tray (9), the upper sieve (11) is located below the return tray (9), the lower sieve (12) is located under the upper sieve (11), the grain elevator (10) and the residue elevator (13) are located under the lower sieve (12), the grain elevator (10) is located on the front side of the residue elevator (13), the straw unloading wheel (14) is located above the return tray ( 9), the rear axle (15) and the chopper (16) are located below the rear of the housing (26), the water tank (20), the air cleaner (19), the exhaust gas after-treatment device (18) and the grain unloading drum (17) are located sequentially from the front to the rear of the machine body (26), the grain tank (24) is located above the middle part of the machine body (26), and the cabin (25) is located above the front of the machine body (26). 6. The combine harvester according to claim 1, including a first lower grain tank auger (27) and a second lower grain tank auger (28), which are provided in the grain tank (24), a sieve hopper drive shaft (29) is provided on the sieve ( 8) pre-cleaning, and at the same time a fan (6), a grain elevator (10), a chopper (16), a straw unloading wheel (14), the first lower auger (27) of the grain bin, the second lower auger (28) of the grain bin and the drive the shaft (29) of the sieve hopper is connected to the transfer box (22). 7. The combine harvester according to claim 1, in which a pair of axial flow drums (5) are located in a front and rear direction relative to the machine body (26). 8. A grain harvester according to claim 1, in which there is a fan (6), a grain elevator (10), a chopper (16), a straw unloading wheel (14), a first lower auger (27) of a grain bin and a second lower auger (28) of a grain bin The hoppers and the drive shaft (29) of the sieve hopper are connected to the transfer box (22) using belts. 9. A grain harvester according to claim 1, in which there is a fan (6), a grain elevator (10), a chopper (16), a straw unloading wheel (14), a first lower auger (27) of a grain bin, a second lower auger (28) of a grain bin The hopper and drive shaft (29) of the sieve hopper are connected to the transfer box (22) using a chain.