Lifting system for hybrid corn harvester and hybrid corn harvester

Abstract

The utility model discloses a lifting system for a hybrid corn harvester, and the lifting system comprises a lifting driving part which is electrically connected with a power generator of the hybrid corn harvester; the input end of a first transmission shaft of the lower fan is in driving connection with the lifting driving part; the input end of a second transmission shaft of the upper fan is in transmission connection with the output end of the first transmission shaft through a first transmission assembly; the input end of the stem discharging roller is in transmission connection with the output end of the second transmission shaft through a second transmission assembly; the elevator is in transmission connection with the output end of the stem discharging roller through a third transmission assembly. The lifting system for the hybrid corn harvester has the advantages of being high in transmission efficiency and low in failure rate.

Description

Technical Field

[0001] This application belongs to the technical field of hybrid corn harvesters, and particularly relates to a lifting system for a hybrid corn harvester and a hybrid corn harvester. Background Art

[0002] Corn harvesters are an important foundation of modern agriculture. With the development of new production formats and new production models in modern agriculture, higher requirements are put forward in terms of production efficiency, environmental protection, green energy conservation, etc. When the existing lifting system in a corn harvester transmits power, more transmission parts are used, resulting in a long transmission path from the initial end of the power transmission of the lifting system to the end of the power transmission, which greatly reduces the transmission efficiency. Summary of the Utility Model

[0003] The purpose of this application is to provide a lifting system for a hybrid corn harvester and a hybrid corn harvester. The lifting system for the hybrid corn harvester has the advantages of high transmission efficiency and low failure rate.

[0004] To achieve the above purpose, in the first aspect of this application, a lifting system for a hybrid corn harvester is provided. The lifting system includes:

[0005] A lifting drive member for being electrically connected to the generator of the hybrid corn harvester;

[0006] A lower blower, the input end of the first transmission shaft of the lower blower is drivingly connected to the lifting drive member;

[0007] An upper blower, the input end of the second transmission shaft of the upper blower is drivingly connected to the output end of the first transmission shaft through a first transmission assembly;

[0008] A stem discharging roller, the input end of the stem discharging roller is drivingly connected to the output end of the second transmission shaft through a second transmission assembly;

[0009] A lifter, the lifter is drivingly connected to the output end of the stem discharging roller through a third transmission assembly.

[0010] In the embodiment of this application, the input end of the first transmission shaft and the lifting drive member are connected together through a first transmission key.

[0011] In the embodiment of this application, the first transmission assembly includes a first driving pulley, a first driven pulley and a first conveyor belt. The first driving pulley is arranged on the first transmission shaft and located at the output end of the first transmission shaft. The first driven pulley is arranged on the second transmission shaft and located at the input end of the second transmission shaft. The first conveyor belt is sleeved on the first driving pulley and the first driven pulley.

[0012] In an embodiment of the present application, the second transmission assembly includes a second driving pulley, a second driven pulley, and a second conveyor belt. The second driving pulley is disposed on the second transmission shaft and located at the output end of the second transmission shaft. The second driving pulley is coaxially arranged with the first driven pulley. The second driven pulley is disposed on the stem discharging roller and located at the input end of the stem discharging roller. The second conveyor belt is sleeved on the second driving pulley and the second driven pulley.

[0013] In an embodiment of the present application, the third transmission assembly includes a first driving sprocket, a first driven sprocket, and a first conveyor chain. The first driving sprocket is disposed on the stem discharging roller and located at the output end of the stem discharging roller. The first driving sprocket is coaxially arranged with the second driven pulley. The first driven sprocket is disposed on the elevator and located at the power input end of the elevator. The first conveyor chain is sleeved on the first driving sprocket and the first driven sprocket.

[0014] A second aspect of the present application provides a hybrid corn harvester, which includes a hydraulic oil source, a traveling system, a grain recycling device, a power system, a tilling system, a header system, a husking system, and the above-mentioned elevator system for the hybrid corn harvester. The power system includes:

[0015] An engine, including a first power output end and a second power output end;

[0016] A generator, the input end of the generator is drivingly connected to the first power output end, and the power output end of the generator is electrically connected to the traveling driving member of the traveling system, the elevator driving member of the elevator system, the husking driving member of the husking system, the header driving member of the header system, and the tilling driving member of the tilling system;

[0017] A hydraulic pump, which is drivingly connected to the second power output end and is used to pump the hydraulic oil in the hydraulic oil source to the grain recycling driving member of the grain recycling device.

[0018] In an embodiment of the present application, the traveling system further includes a traveling gearbox, a wheel side reducer, and traveling wheels. The input shaft of the traveling gearbox is drivingly connected to the traveling driving member. The output shaft of the traveling gearbox is connected to the input shaft of the wheel side reducer through a second transmission key. The traveling wheels are disposed on the output shaft of the wheel side reducer.

[0019] In an embodiment of the present application, the power system further includes a coupling whose two ends are respectively connected to the first power output end and the input end of the generator.

[0020] In an embodiment of the present application, the husking system further includes a main husking transmission shaft, a husking auger, and husking rollers. The input end of the main husking transmission shaft is drivingly connected to the husking driving member through a first transmission chain assembly. The first output end of the main husking transmission shaft is drivingly connected to the input end of the husking auger through a second transmission chain assembly. The second output end of the main husking transmission shaft is drivingly connected to the husking rollers through a first transmission gear assembly.

[0021] In an embodiment of the present application, the returning system further includes a returning transmission and a returning machine. The input shaft of the returning transmission is drivingly connected to the returning driving member, and the output shaft of the returning transmission is drivingly connected to the returning machine through a first conveyor belt assembly.

[0022] As can be seen from the above technical solution, the elevating system includes an elevating driving member, a lower blower, an upper blower, a stem discharging roller, and an elevator. The elevating driving member is used to be electrically connected to the generator of the hybrid corn harvester; the input end of the first transmission shaft of the lower blower is drivingly connected to the elevating driving member; the input end of the second transmission shaft of the upper blower is drivingly connected to the output end of the first transmission shaft through a first transmission assembly; the input end of the stem discharging roller is drivingly connected to the output end of the second transmission shaft through a second transmission assembly; the elevator is drivingly connected to the output end of the stem discharging roller through a third transmission assembly. There are four levels of power transmission between the elevating driving member and the elevator of this elevating system. The above power transmission route is simple and greatly improves the transmission efficiency.

[0023] Other features and advantages of the embodiments of the present application will be described in detail in the subsequent specific embodiments section. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings are used to provide a further understanding of the embodiments of the present application, and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the embodiments of the present application, but do not constitute a limitation to the embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on the structures shown in these drawings without creative efforts. In the drawings:

[0025] Figure 1 is a schematic structural diagram of the elevating system in an embodiment of the present application;

[0026] Figure 2 is a schematic overall transmission diagram of the hybrid corn harvester in an embodiment of the present application;

[0027] Figure 3 is a schematic first perspective structural diagram of the power system in an embodiment of the present application;

[0028] Figure 4 is a schematic second perspective structural diagram of the power system in an embodiment of the present application;

[0029] Figure 5 is a schematic structural diagram of the traveling system in an embodiment of the present application;

[0030] Figure 6 is a schematic structural diagram of the returning system in an embodiment of the present application;

[0031] Figure 7It is a schematic structural diagram of the grain recovery device in the embodiment of the present application;

[0032] Figure 8 It is a schematic structural diagram of the header system in the embodiment of the present application;

[0033] Figure 9 It is a schematic partial structural diagram of the header system in the embodiment of the present application;

[0034] Figure 10 It is a schematic structural diagram of the peeling system from the first perspective in the embodiment of the present application;

[0035] Figure 11 It is a schematic structural diagram of the peeling system from the second perspective in the embodiment of the present application;

[0036] Figure 12 It is a schematic structural diagram of the husk chopper in the embodiment of the present application;

[0037] Figure 13 It is a schematic structural diagram of the grain cleaning fan in the embodiment of the present application;

[0038] Figure 14 It is a schematic overall structural diagram of the hybrid corn harvester in the embodiment of the present application.

[0039] Explanation of reference numerals

[0040] 1 - Traveling system; 101 - Traveling drive; 102 - Traveling gearbox; 103 - Wheel side speed reducer; 104 - Traveling wheel; 105 - Rear axle; Straw returning system; 201 - Straw returning drive; 202 - Straw returning gearbox; 203 - Straw returning machine; 204 - First conveyor belt assembly; 205 - Straw returning transmission shaft; 206 - Straw returning frame; 3 - Grain recovery device; 301 - Grain recovery drive; 4 - Power system; 401 - Engine; 402 - Generator; 403 - Hydraulic pump; 404 - Coupling; 5 - Header system; 501 - Header drive; 502 - Header gearbox; 503 - Header auger; 504 - Ear picking assembly; 505 - Fourth transmission chain assembly; 506 - Front shredder; 507 - Second conveyor belt assembly; 508 - Welded ear picking bench; 509 - Ear picking gearbox; 510 - Pulling roller; 511 - Reel chain; 512 - Lifting drive end of the header system; 6 - Peeling system; 601 - Peeling drive; 602 - Main peeling transmission shaft; 603 - Peeling auger; 604 - Peeling roller; 605 - First transmission chain assembly; 606 - Second transmission chain assembly; 607 - First transmission gear assembly; 608 - Throwing roller; 609 - Presser; 7 - Elevating system; 701 - Elevating drive; 702 - Elevator; 703 - Lower blower; 704 - Upper blower; 705 - Stem discharging roller; 706 - First transmission assembly; 707 - Second transmission assembly; 8 - Husker chopper; 9 - First hydraulic drive; 10 - Grain cleaning blower; 11 - Second hydraulic drive; 12 - Third hydraulic drive; 13 - Fourth hydraulic drive; 14 - Grain tank; 15 - Fifth hydraulic drive; 16 - Spline sleeve; 17 - Power distribution device. Detailed implementation manners

[0041] The following will detail the specific implementation manners of the present application with reference to the accompanying drawings. It should be understood that the specific implementation manners described herein are only for explaining and understanding the present application, and are not used to limit the present application.

[0042] An embodiment of the present application provides an elevating system 7 for a hybrid corn harvester, as Figure 1 shown, the elevating system 7 includes:

[0043] An elevating drive 701, configured to be electrically connected to the generator 402 of the hybrid corn harvester;

[0044] A lower blower 703, the input end of the first transmission shaft of the lower blower 703 is drivingly connected to the elevating drive 701;

[0045] An upper blower 704, the input end of the second transmission shaft of the upper blower 704 is drivingly connected to the output end of the first transmission shaft through a first transmission assembly 706;

[0046] The stem - discharging roller 705, the input end of the stem - discharging roller 705 is drivingly connected to the output end of the second transmission shaft through the second transmission assembly 707;

[0047] The elevator 702, the elevator 702 is drivingly connected to the output end of the stem - discharging roller 705 through the third transmission assembly.

[0048] Specifically, the hybrid corn harvester in this embodiment can be selected as a four - row plate - type corn harvester and further includes an engine 401 and a generator 402. The input end of the generator 402 is connected to the power output end of the engine 401. The engine 401 can be selected as a diesel engine, the generator 402 can be selected as a range extender, and the elevator driving member 701 can be selected as an electric motor (such as a permanent magnet synchronous motor). The elevator system 7 belongs to the main operating system of the hybrid corn harvester. The electric energy generated by the generator 402 is transmitted to the elevator driving member 701, so that the elevator driving member 701 rotates and drives other components in the elevator system 7.

[0049] Furthermore, an elevator cavity is formed inside the elevator 702. An elevator channel for transporting crops (such as corn) is formed in the elevator cavity. An installation bracket for the lower air blower 703 is provided on one side of the elevator 702. The lower air blower 703 is arranged on the installation bracket for the lower air blower 703. The air outlet of the lower air blower 703 is communicated with the elevator cavity for blowing air into the elevator cavity; the upper air blower 704 is arranged above the lower air blower 703 and the lower air blower 703 and the upper air blower 704 are respectively on opposite sides of the elevator 702. The air suction port of the upper air blower 704 is communicated with the elevator cavity for pumping out the gas in the elevator cavity; the stem - discharging roller 705 is arranged on the elevator 702 and above the upper air blower 704.

[0050] When the elevator driving member 701 rotates, it sequentially transmits power to the lower air blower 703, the first transmission assembly, the upper air blower 704, the second transmission assembly, the stem - discharging roller 705, the third transmission assembly, and the elevator 702, thereby enabling the lower air blower 703, the upper air blower 704, the stem - discharging roller 705, and the elevator 702 to perform their respective functions. In the elevator system 7 of this embodiment, the power transmission between the generator 402 and the elevator driving member 701 is the first - stage power transmission, the power transmission between the lower air blower 703 and the upper air blower 704 is the second - stage power transmission, the power transmission between the upper air blower 704 and the stem - discharging roller 705 is the third - stage power transmission, and the power transmission between the stem - discharging roller 705 and the elevator 702 is the fourth - stage power transmission. As can be seen from the above, in this embodiment, there are four - stage power transmissions between the elevator driving member 701 and the elevator 702. The above - mentioned power transmission route is simple and greatly improves the transmission efficiency.

[0051] In addition, since the driving mode of the elevating driving member 701 in this embodiment is an electric driving mode, the operator can adjust the elevating driving member 701 according to the signal feedback of the front-end feeding amount of the header system 5 (such as adjusting the rotation speed of the elevating driving member 701) to achieve the best matching of the rotation speed of the elevating system 7, which is beneficial to improving the applicability of the elevating system 7.

[0052] In an embodiment of the present application, the input end of the first transmission shaft is connected to the elevating driving member 701 through a first transmission key.

[0053] Specifically, the first transmission key in this embodiment can be selected as a spline, that is, the input shaft of the first transmission shaft of the lower air blower 703 is connected to the elevating driving member 701 through a spline, thereby realizing the direct connection between the first transmission shaft of the lower air blower 703 and the elevating driving member 701. When the elevating driving member 701 rotates, it can directly drive the first transmission shaft of the lower air blower 703 to rotate, and energy loss between the first transmission shaft of the lower air blower 703 and the elevating driving member 701 is minimized.

[0054] In an embodiment of the present application, the first transmission assembly 706 includes a first driving pulley, a first driven pulley, and a first conveyor belt. The first driving pulley is arranged on the first transmission shaft and located at the output end of the first transmission shaft. The first driven pulley is arranged on the second transmission shaft and located at the input end of the second transmission shaft. The first conveyor belt is sleeved on the first driving pulley and the first driven pulley.

[0055] Specifically, after the elevating driving member 701 rotates, it first transmits power to the first driving pulley. The first driving pulley then transmits power to the first conveyor belt. After the first conveyor belt rotates, it transmits power to the first driven pulley. The first driven pulley then drives the second transmission shaft of the upper air blower 704 to rotate, thereby realizing the power transmission between the lower air blower 703 and the upper air blower 704. This transmission method is beneficial to reducing the noise generated by the elevating system 7 and can also ensure that the lower air blower 703 has a sufficiently high rotation speed.

[0056] In an embodiment of the present application, the second transmission assembly 707 includes a second driving pulley, a second driven pulley, and a second conveyor belt. The second driving pulley is arranged on the second transmission shaft and located at the output end of the second transmission shaft. The second driving pulley is coaxially arranged with the first driven pulley. The second driven pulley is arranged on the stem discharging roller 705 and located at the input end of the stem discharging roller 705. The second conveyor belt is sleeved on the second driving pulley and the second driven pulley.

[0057] Specifically, after the second transmission shaft rotates, it first transmits power to the second driving pulley, and then the second driving pulley transmits power to the second conveyor belt. After the second conveyor belt rotates, it transmits power to the second driven pulley, and the second driven pulley then drives the stem discharging roller 705 to rotate, thereby realizing the power transmission between the upper blower 704 and the stem discharging roller 705. This transmission method is beneficial to further reduce the noise generated by the elevating system 7 and can also ensure that the upper blower 704 has a sufficiently high rotational speed. The combined action of the second transmission assembly 707 and the first transmission assembly 706 is beneficial to improving the removal efficiency of the residual parts (such as corn whiskers) of the crops in the elevating cavity.

[0058] In an embodiment of the present application, the third transmission assembly includes a first driving sprocket, a first driven sprocket, and a first transmission chain. The first driving sprocket is arranged on the stem discharging roller 705 and located at the output end of the stem discharging roller 705. The first driving sprocket is coaxially arranged with the second driven pulley. The first driven sprocket is arranged on the elevator 702 and located at the power input end of the elevator 702. The first transmission chain is sleeved on the first driving sprocket and the first driven sprocket.

[0059] Specifically, after the stem discharging roller 705 rotates, it first transmits power to the first driving sprocket, and then the first driving sprocket transmits power to the first transmission chain. After the first transmission chain rotates, it transmits power to the first driven sprocket, and the first driven sprocket then drives the elevator 702 to move, thereby realizing the power transmission between the stem discharging roller 705 and the elevator 702. Further, the first driving sprocket is a small sprocket, and the first driven sprocket is a large sprocket, that is, the number of teeth of the first driving sprocket is less than that of the first driven sprocket. In this embodiment, the rotational speed of the elevator 702 is relatively low. After the stem discharging roller 705 rotates, the speed is reduced through the third transmission assembly and then drives the elevator 702 to rotate, so that the rotational speed of the elevator 702 is adapted to the movement speeds of other components in the hybrid corn harvester, thereby ensuring the harvesting quality of the hybrid corn harvester.

[0060] A second aspect of the present application provides a hybrid corn harvester, which includes a hydraulic oil source, a traveling system 1 (as Figure 5 shown), a grain recovery device 3, a power system 4 (as Figure 3 - Figure 4 shown), a returning system 2 (as Figure 6 shown), a header system 5 (as Figure 8 - Figure 9 shown), a peeling system 6 (as Figure 10 - Figure 11 shown), and the above-mentioned elevating system 7 for the hybrid corn harvester (as Figure 1 shown). The power system 4 includes:

[0061] An engine 401, including a first power output end and a second power output end;

[0062] Generator 402, the input end of the generator 402 is drivingly connected to the first power output end, and the power output end of the generator 402 is electrically connected to the travel drive 101 of the travel system 1, the lifting drive 701 of the lifting system 7, the peeling drive 601 of the peeling system 6, the cutting table drive 501 of the cutting table system 5, and the returning field drive 201 of the returning field system 2;

[0063] The hydraulic pump 403 is drivingly connected to the second power output end and is used to pump the hydraulic oil in the hydraulic oil source to the grain recovery driving member 301 of the grain recovery device 3 .

[0064] Specifically, the hybrid corn harvester in this embodiment can be selected as a four-row plate corn harvester, the hydraulic oil source can be selected as an oil tank storing hydraulic oil, and the walking system 1 (such as Figure 5 The hybrid corn harvester is used to realize the walking function of the hybrid corn harvester. The field return system 2 is used to convert agricultural waste into fertilizer and return it to the farmland. The harvester system 5 is used to pick corn ears and transport them to the elevator system (i.e., the elevator entrance). The walking system 1, the power system 4, the field return system 2, the peeling system 6, and the elevator system are all main operating systems of the hybrid corn harvester; the grain recovery device 3 is used to collect corn grains that fall from the corn ears when the peeling system 6 of the hybrid corn harvester peels the corn ears. The engine 401 in this embodiment can be a diesel engine, and the travel drive component 101 can be a motor. After the engine 401 is in operation, it can output mechanical power to the outside through the first power output end and the second power output end. The output power of the first power output end is greater than the output power of the second power output end. The mechanical power output from the first power output end drives the generator 402 to implement the power generation function and generate electrical energy. The above electrical energy can be transmitted to the travel drive component 101 and the lifting drive component 701, so that the travel drive component 101 and the lifting drive component 701 can respectively implement the travel drive function and the lifting drive function, thereby enabling the travel system 1 and the lifting system 7 to perform the travel operation and the lifting operation respectively. In this embodiment, the travel system 1 adopts an electric drive mode, which can improve the travel efficiency of the travel system 1 and greatly reduce the travel fuel consumption. In addition, the peak power and peak torque characteristics of the travel drive component 101 (i.e., the motor) can also be used to improve the ability of the hybrid corn harvester to escape from difficulties and pass through ditches and bumps.

[0065] In the harvester system 5, the harvester drive 501 can be selected as a motor, and the electric energy generated by the generator 402 is distributed to the harvester drive 501 to make the harvester drive 501 rotate and drive other components in the harvester system 5. Compared with the structure of the harvester system 5 in the prior art, this driving method can adjust the rotation speed of the harvester drive 501 in real time, and then adjust the rotation speed of the harvester drive 501 according to the planting conditions and yields of crops in different regions, so as to realize the intelligent matching of the rotation speed and feed amount of the harvester system 5 and improve the adaptability of the whole machine.

[0066] In the peeling system 6, the peeling drive 601 can be selected as a motor, and the electric energy generated by the generator 402 can also be supplied to the peeling drive 601 to rotate the peeling drive 601 and drive other components in the peeling system 6. The operator can also adjust the rotation speed of the peeling drive 601 according to the signal feedback of the load change of the cutting table drive 501 to achieve the best matching of the action speeds of the components in the peeling system 6, avoid the occurrence of crop jams inside the peeling system 6, that is, effectively prevent jams in the peeling system 6, which is beneficial to improving the applicability of the peeling system 6 and the hybrid corn harvester.

[0067] In this embodiment, the grain recovery drive 301 can be selected as a hydraulic motor. The grain recovery device 3 includes a recovery housing and a recovery auger. A grain recovery chamber is formed inside the recovery housing. A grain inlet and a grain outlet communicating with the grain recovery chamber are formed on the recovery housing. The recovery auger is rotatably arranged in the grain recovery chamber. The grain recovery drive 301 is drivingly connected to the recovery auger. During the harvesting operation (or cutting operation) of the hybrid corn harvester, the grains scattered from the peeling system 6 can enter the grain recovery chamber through the grain inlet. After the hybrid corn harvester stops the harvesting operation, the grain recovery drive 301 can drive the recovery auger to act to output the grains in the grain recovery chamber from the grain outlet. In this embodiment, compared with the main operating systems of the hybrid corn harvester, the power requirement of the grain recovery device 3 is lower.

[0068] In this embodiment, the traveling system 1, the tillage system 2, the cutting table system 5, the peeling system 6, and the elevating system 7 of the hybrid corn harvester, as the main operating systems, are all driven by an electric drive method. This drive method has high efficiency, low energy consumption, convenient rotation speed adjustment, and strong adaptability; the grain recovery device 3 is driven by a hydraulic drive method, and the energy consumption loss brought by this drive method is smaller. That is, in this embodiment, the hybrid corn harvester combines electric drive and hydraulic drive more reasonably, enabling the power generated by the engine 401 to be distributed more reasonably, effectively improving the overall drive efficiency of the hybrid corn harvester, being beneficial to reducing the overall energy consumption loss of the hybrid corn harvester. The above settings also optimize the overall transmission structure of the hybrid corn harvester, reduce the failure rate of the hybrid corn harvester, and improve the use reliability of the hybrid corn harvester.

[0069] Furthermore, in this embodiment, the operating speed of the engine 401 is limited between 1200 rpm and 1900 rpm, which can enable the engine 401 to always operate in the high-efficiency energy-saving area, reduce the fuel consumed by the engine, and achieve the effect of energy saving.

[0070] Furthermore, in this embodiment, the rotational speed and torque of the driving member in the form of a motor are not related to the rotational speed of the engine. Therefore, the rotational speed can be adjusted in real time, improving the flexibility of the operating speed of the operating components of the whole machine and enhancing the adaptability to different working conditions.

[0071] In an embodiment of the present application, the power system 4 further includes a power distribution device 17 communicatively connected to the generator 402, the traveling driving member 101, and the elevating driving member 701 (in this embodiment, the power distribution device 17 can be optionally selected as the controller of the range extender and the double-electronic control multi-in-one controller assembly). The power distribution device 17 is configured to distribute the electric energy generated by the generator 402 to the traveling driving member 101 and the elevating driving member 701 as needed.

[0072] In an embodiment of the present application, the traveling system 1 further includes a traveling gearbox 102, a wheel side speed reducer 103, and traveling wheels 104. The input shaft of the traveling gearbox 102 is drivingly connected to the traveling driving member 101. The output shaft of the traveling gearbox 102 is connected to the input shaft of the wheel side speed reducer 103 through a second transmission key. The traveling wheels 104 are provided on the output shaft of the wheel side speed reducer 103.

[0073] Specifically, the input shaft of the traveling gearbox 102 and the traveling driving member 101 (such as a permanent magnet synchronous motor) are connected together through a second transmission key (such as a spline), so as to achieve a direct connection between the traveling gearbox 102 and the traveling driving member 101. When the traveling driving member 101 rotates, it directly drives the input shaft of the traveling driving member 101 to rotate. In this embodiment, an external spline body is formed on the output shaft of the traveling gearbox 102, and a spline sleeve 16 that matches the above external spline body is provided on the input shaft of the wheel side speed reducer 103, thereby realizing the power transmission between the traveling gearbox 102 and the wheel side speed reducer 103. When the output shaft of the wheel side speed reducer 103 rotates, the traveling wheels 104 rotate accordingly. Furthermore, in the traveling system 1 of this embodiment, the power transmission between the generator 402 and the traveling driving member 101 is the first-stage power transmission, and the power transmission between the traveling gearbox 102 and the wheel side speed reducer 103 is the second-stage power transmission. As can be seen from the above, there are two-stage power transmissions between the traveling driving member 101 and the traveling wheels 104 in this embodiment.

[0074] In an embodiment of the present application, the power system 4 further includes a coupling 404 with two ends respectively connected to the first power output end and the input end of the generator 402.

[0075] Specifically, the coupling 404 is connected to the flywheel of the engine 401 and is optionally a highly elastic flange coupling 404. The setting of the coupling 404 compensates for the coaxiality deviation between the flywheel of the engine 401 and the input end of the generator 402, improves the connection reliability between the engine 401 and the generator 402, and also plays a protective role for the engine 401.

[0076] In an embodiment of the present application, the peeling system 6 further includes a peeling main drive shaft 602, a peeling auger 603, and a peeling roller 604. The input end of the peeling main drive shaft 602 is drivingly connected to the peeling drive member 601 through a first drive chain assembly 605. The first output end of the peeling main drive shaft 602 is drivingly connected to the input end of the peeling auger 603 through a second drive chain assembly 606. The second output end of the peeling main drive shaft 602 is drivingly connected to the peeling roller 604 through a first drive gear assembly 607.

[0077] Specifically, the peeling main drive shaft 602, the peeling auger 603, and the peeling roller 604 together form a peeling machine. The peeling drive member 601 is arranged on one side in the width direction of the peeling machine. The first drive chain assembly 605 includes a second driving sprocket, a second driven sprocket (such as a 46-tooth double-row large sprocket), and a second transmission chain. The second driving sprocket is arranged on the output shaft of the peeling drive member 601. The second driven sprocket is arranged at the input end of the peeling main drive shaft 602. The second transmission chain is sleeved on the second driving sprocket and the second driven sprocket to achieve power transmission between the peeling drive member 601 and the peeling main drive shaft 602. The second drive chain assembly 606 includes a third driving sprocket, a third driven sprocket, and a third transmission chain. The third driving sprocket is arranged on the peeling main drive shaft 602. The third driven sprocket is arranged on the peeling auger 603. The third transmission chain is sleeved on the third driving sprocket and the third driven sprocket to achieve power transmission between the peeling main drive shaft 602 and the peeling auger 603. The first drive gear assembly 607 includes a first driving gear and a first driven gear. The first driving gear is arranged on the peeling main drive shaft 602 and is axially spaced from the second driven sprocket on the peeling main drive shaft 602. The first driven gear is arranged on the peeling roller 604 to achieve power transmission between the peeling main drive shaft 602 and the peeling roller 604, so that the peeling roller 604 can perform peeling operations.

[0078] In the peeling system 6 of this embodiment, the power transmission between the generator 402 and the peeling drive member 601 is the first-stage power transmission, the power transmission between the peeling drive member 601 and the main peeling drive shaft 602 is the second-stage power transmission, and the power transmission between the main peeling drive shaft 602 and the peeling auger 603 and the peeling roller 604 is the third-stage power transmission. As can be seen from the above, in this embodiment, there are three stages of power transmission between the peeling drive member 601 and the peeling auger 603 and the peeling roller 604, improving the transmission efficiency and reliability.

[0079] In one embodiment of the present application, the peeling system 6 further includes a press 609 and a throwing roller 608. The output end of the peeling auger 603 is drivingly connected to the input end of the press 609 through a second transmission gear assembly, and the output end of the press 609 is drivingly connected to the throwing roller 608 through a third transmission chain assembly.

[0080] Specifically, the presser 609 is used to perform a pressing operation on the crops to improve the peeling effect of the crops; the throwing roller 608 is used to perform a throwing operation on the crops to throw the crops into the next working component (such as the grain box 14). The second transmission gear assembly includes a second driving gear and a second driven gear. The peeling system 6 further includes a first presser transmission chain assembly and a second presser transmission chain assembly. Among them, the first presser transmission chain assembly includes a first presser driving sprocket, a first presser driven sprocket, and a first presser transmission chain. A first bearing seat and a second bearing seat are further provided on the peeling machine frame. A first bearing seat rotating shaft and a second bearing seat rotating shaft are respectively provided on the first bearing seat and the second bearing seat. The first presser driving sprocket is arranged at the output end of the upper peeling auger. The first presser driven sprocket is arranged on the first bearing seat rotating shaft. The first presser transmission chain is sleeved on the first presser driving sprocket and the first presser driven sprocket. The second driving gear is also arranged on the first bearing seat rotating shaft and is adjacent to the first presser driven sprocket. The second driven gear is arranged on the second bearing seat rotating shaft and meshes with the second driving gear; the second presser transmission chain assembly includes a second presser driving sprocket, a second presser driven sprocket, and a second presser transmission chain. The second presser driving sprocket is arranged on the second bearing seat rotating shaft and is adjacent to the second driven gear. The second presser driven sprocket is arranged at the input end of the presser 609. The second presser transmission chain is sleeved on the second presser driving sprocket and the second presser driven sprocket to achieve power transmission between the peeling auger 603 and the presser 609, so that the presser 609 can perform a pressing operation; the third transmission chain assembly includes a fourth driving sprocket, a fourth driven sprocket, and a fourth transmission chain. The fourth driving sprocket is arranged at the output end of the presser 609. The fourth driven sprocket is arranged on the throwing roller 608. The fourth transmission chain is sleeved on the fourth driving sprocket, the transition sprocket, and the fourth driven sprocket. The outside of the fourth transmission chain is used to transmit power to the fifth driven sprocket. By the above settings, the rotation direction of the throwing roller 608 is changed, so that the throwing roller 608 can throw the crops into the grain box 14.

[0081] In an embodiment of the present application, the returning system 2 further includes a returning gearbox 202 and a first land conditioner 203. The input shaft of the returning gearbox 202 is drivingly connected to the returning driving member 201, and the output shaft of the returning gearbox 202 is drivingly connected to the first land conditioner 203 through a first conveyor belt assembly 204.

[0082] Specifically, the returning-to-field drive 201 can be selected as a motor, and the electric energy generated by the generator 402 can also be distributed to the returning-to-field drive 201 under the distribution action of the power distribution device 17, so that the returning-to-field drive 201 rotates and drives other components in the returning-to-field system 2. The input shaft of the returning-to-field gearbox 202 and the returning-to-field drive 201 (such as a high-speed permanent magnet motor) are connected together through a third transmission key (such as a spline), so that a direct connection between the returning-to-field gearbox 202 and the returning-to-field drive 201 can be realized. When the returning-to-field drive 201 rotates, it directly drives the input shaft of the returning-to-field drive 201 to rotate; the returning-to-field system 2 also includes a returning-to-field frame 206, and the returning-to-field machine 203 is arranged below the returning-to-field frame 206 and can perform a second returning-to-field shredding operation, such as shredding the lower part of the corn stalks in the farmland; the first conveyor belt assembly 204 includes a third active pulley, a third driven pulley, and a third driven pulley. The third driving pulley is connected to the output shaft of the field return gearbox 202, the third driven pulley is arranged on the transmission shaft of the field return machine 203 and is spaced apart from the third driving pulley, and the third conveyor belt is sleeved on the third driving pulley and the third driven pulley, so as to realize the power transmission between the field return gearbox 202 and the field return machine 203, that is, when the field return driving member 201 rotates, it transmits the power to the field return gearbox 202, the first conveyor belt assembly 204 and the field return machine 203 in turn, and the field return machine 203 performs the second field return shredding operation driven by the first conveyor belt assembly 204. In this embodiment, when the front crusher 506 performs the second returning to field shredding operation, the rotation speed of the first driving pulley and the first driven pulley is the rated working speed (such as 2433r / min) to ensure that the returning to field machine 203 has sufficient power; further, the operator can also adjust the rotation speed of the returning to field drive 201 according to the actual shredding effect of the returning to field machine 203, thereby realizing the adjustment of the rotation speed of the returning to field machine 203 to achieve a better returning to field effect, which is conducive to improving the adaptability of the entire agricultural harvesting equipment.

[0083] Furthermore, in the field returning system 2 of the present embodiment, the power transmission between the generator 402 and the field returning motor is the first-stage power transmission, and the power transmission between the field returning gearbox 202 and the field returning machine 203 is the second-stage power transmission. From the above, it can be seen that in the present embodiment, two-stage power transmission is experienced between the field returning drive 201 and the field returning machine 203.

[0084] In one embodiment of the present application, the field returning system 2 also includes a field returning transmission shaft 205 and a field returning bearing. The input end of the field returning transmission shaft 205 is connected to the output shaft of the field returning gearbox 202 through a fourth transmission key. The output end of the field returning transmission shaft 205 is connected to the field returning machine 203 through a first conveyor belt assembly 204. The field returning bearing is sleeved on the field returning transmission shaft 205 and is used to withstand the radial tension from the first conveyor belt assembly 204.

[0085] Specifically, the fourth transmission key in this embodiment can be selected as a spline. For example, there is a spline connection between the input end of the straw returning transmission shaft 205 and the output shaft of the straw returning gearbox 202, which can achieve a direct connection between the straw returning gearbox 202 and the straw returning transmission shaft 205. When the straw returning gearbox 202 rotates, it directly drives the straw returning transmission shaft 205 to rotate. The third driving pulley is arranged at the output end of the straw returning transmission shaft 205. After the straw returning transmission shaft 205 rotates, it transmits power to the first transmission belt assembly. Since the radial tension of the third conveyor belt in the straw returning system 2 is relatively large, the inner ring of the straw returning bearing is sleeved on the outer peripheral side of the straw returning transmission shaft 205, the outer ring of the straw returning bearing is arranged on the bearing seat, and the bearing seat is arranged on the straw returning frame 206. The radial tension from the third conveyor belt is sequentially transmitted to the straw returning transmission shaft 205, the straw returning bearing, the bearing seat, and the straw returning frame 206, thereby playing a protective role for the straw returning gearbox 202.

[0086] In an embodiment of the present application, the header system 5 further includes a header gearbox 502, a header auger 503, and a ear picking assembly 504. The input shaft of the header gearbox 502 is drivingly connected to the header driving member 501, and the first output shaft of the header gearbox 502 is drivingly connected to the header auger 503 and the ear picking assembly 504 through the fifth transmission chain assembly at the same time.

[0087] Specifically, in this embodiment, there are two header driving members 501. The header system 5 further includes a first header unit, a second header unit, and a header frame welding 508. Both the first header unit and the second header unit include one header driving member 501, one header gearbox 502, and two ear picking assemblies 504. The first header unit and the second header unit are respectively arranged on both sides in the width direction of the header frame welding 508. The number of header augers 503 is one and is arranged in the width direction of the header frame welding 508. The number of ear picking assemblies 504 is four. Two ear picking assemblies 504 form a group, and the two groups of ear picking assemblies 504 are respectively arranged on both sides in the width direction of the header frame welding 508. The header gearbox 502 is arranged on the header frame and has a first output shaft and a second output shaft. Among them, the rotational speed of the first output shaft is less than that of the second output shaft. The input shaft of the header gearbox 502 is connected to the header driving member 501 (such as a permanent magnet synchronous motor) through a fifth transmission key (such as a spline), so as to realize the direct connection between the header gearbox 502 and the header driving member 501. When the header driving member 501 rotates, it directly drives the input shaft of the header gearbox 502 to rotate. The fourth transmission chain assembly 505 includes a fifth driving sprocket, a fifth driven sprocket, a sixth driven sprocket, and a fifth transmission chain. The fifth driving sprocket is arranged on the first output shaft of the header gearbox 502. The fifth driven sprocket is arranged on the header auger 503. The sixth driven sprocket is arranged on the ear picking assembly 504 (the two ear picking assemblies 504 in the same group are connected together by an ear picking assembly coupling and are jointly driven by the second driven sprocket). The fifth transmission chain is simultaneously sleeved on the fifth driving sprocket, the fifth driven sprocket, and the sixth driven sprocket. When the header driving member 501 rotates, it sequentially transmits the power to the header gearbox 502 and the fourth transmission chain assembly 505, and then the fourth transmission chain assembly 505 transmits the power to the header auger 503 and the ear picking assembly 504 simultaneously, so that the header auger 503 and the ear picking assembly 504 act simultaneously. The above settings are beneficial to improving the working efficiency of the header system 5, and also simplify the transmission structure, which is beneficial to reducing the failure rate of the header system 5 and the hybrid corn harvester.

[0088] In an embodiment of the present application, the ear picking assembly 504 includes an ear picking gearbox 509, a pulling roller 510, and a finger chain 511. The input shaft of the ear picking gearbox 509 is in transmission connection with the first output shaft of the header gearbox 502 through the fourth transmission chain assembly 505. The first output end of the ear picking gearbox 509 is connected to the pulling roller 510. The second output end of the ear picking gearbox 509 is connected to the finger chain 511.

[0089] Specifically, the sixth driven sprocket is arranged on the input shaft of the ear-picking gearbox 509. The first output shaft (i.e., the first output end of the ear-picking gearbox 509) of the ear-picking gearbox 509 is connected to the pulling roller 510. The ear-picking assembly 504 further includes an ear-picking table frame, a driving reel, and a driven reel. The ear-picking table frame is arranged above the ear-picking gearbox 509. The driving reel is arranged on the second output shaft (i.e., the second output end of the ear-picking gearbox 509) of the ear-picking gearbox 509. The driven reel is arranged on the ear-picking table frame. The reel chain 511 is sleeved on the driving reel and the driven reel. Driven by the sixth driven sprocket, the first output shaft and the second output shaft of the ear-picking gearbox 509 rotate simultaneously, thereby driving the pulling roller 510 and the reel chain 511 to act simultaneously, so that the pulling roller 510 performs the pulling operation and the reel chain 511 performs the reel operation.

[0090] In an embodiment of the present application, the header system 5 further includes a front shredder 506. The second output shaft of the header gearbox 502 is in transmission connection with the front shredder 506 through a second conveyor belt assembly 507.

[0091] Specifically, the front shredder 506 is used to perform a second field chopping operation on the stalks of the crops (in this embodiment, the second field chopping operation is performed before the first field chopping operation), such as chopping the upper part of the corn stalks in the farmland. In this embodiment, the first header unit and the second header unit are respectively connected to the sprockets on the left and right sides of the front shredder 506 to drive both sides of the front shredder 506 simultaneously. The second conveyor belt assembly 507 includes a fourth driving pulley, a fifth driven pulley, and a fourth conveyor belt. The fourth driving pulley is arranged on the second output shaft of the header gearbox 502. The fifth driven pulley is arranged on the transmission shaft of the front shredder 506 and is arranged at an interval from the fourth driving pulley. The fourth conveyor belt is sleeved on the fourth driving pulley and the fifth driven pulley, thereby realizing the power transmission between the header gearbox 502 and the front shredder 506. That is, when the header driving member 501 rotates, it sequentially transmits the power to the header gearbox 502, the second conveyor belt assembly 507, and the front shredder 506. Driven by the second conveyor belt assembly 507, the front shredder 506 performs the field chopping operation. Compared with the transmission connection between the second output shaft of the header gearbox 502 and the front shredder 506 through a conveyor chain assembly, the setting in this embodiment can avoid problems such as high chain linear speed, fast wear, and large noise. Using the second conveyor belt assembly 507 to drive the front shredder 506 to work can reduce the failure rate, reduce vibration and noise, and at the same time can also play a role in overload slipping and protecting the front shredder 506.

[0092] In an embodiment of the present application, as Figure 12 shown, the hybrid corn harvester further includes a husk shredder 8 and a first hydraulic driving member 9 (such as Figure 2As shown, the hydraulic pump 403 is also used to pump hydraulic oil to the first hydraulic drive member 9.

[0093] Specifically, in this embodiment, the first hydraulic drive member 9 can be selected as a hydraulic motor. The first hydraulic drive member 9 is arranged on one side of the bract shredder 8, and the first hydraulic drive member 9 and the main shaft of the bract shredder 8 are connected together through a sixth transmission key (such as a spline). In this way, the direct connection between the first hydraulic drive member 9 and the bract shredder 8 can be realized. After the first hydraulic drive member 9 acts, it drives the main shaft of the bract shredder 8 to rotate, and then the bract shredder 8 performs the bract shredding operation. As can be seen from the above, only one-level power transmission occurs between the bract shredder 8 and the hydraulic pump 403 (or the engine 401). The transmission route is simple, which also makes the maintenance of the bract shredder 8 more convenient and fast.

[0094] In an embodiment of the present application, as Figure 13 shown, the hybrid corn harvester further includes a grain cleaning fan 10 and a second hydraulic drive member 11 drivingly connected to the grain cleaning fan 10. The hydraulic pump 403 is also used to pump hydraulic oil to the second hydraulic drive member 11.

[0095] Specifically, in this embodiment, the second hydraulic drive member 11 can be selected as a hydraulic motor. The second hydraulic drive member 11 is arranged on one side of the grain cleaning fan 10, and the second hydraulic drive member 11 and the main shaft of the grain cleaning fan 10 are connected together through a seventh transmission key (such as a spline). In this way, the direct connection between the second hydraulic drive member 11 and the grain cleaning fan 10 can be realized. After the second hydraulic drive member 11 acts, it drives the main shaft of the grain cleaning fan 10 to rotate, and then the grain cleaning fan 10 performs the grain cleaning operation. As can be seen from the above, only one-level power transmission occurs between the grain cleaning fan 10 and the hydraulic pump 403 (or the engine 401). The transmission route is simple, which improves the transmission efficiency.

[0096] In an embodiment of the present application, the hybrid corn harvester further includes a third hydraulic drive member 12 for driving the lifting of the cutting table system 5. The hydraulic pump 403 is also used to pump hydraulic oil to the third hydraulic drive member 12.

[0097] Specifically, in this embodiment, the third hydraulic drive member 12 can be selected as a hydraulic cylinder. The third hydraulic drive member 12 is drivingly connected to the lifting drive end 512 of the cutter bar system. The third hydraulic drive member 12 expands and contracts under the pumping action of the hydraulic pump 403, so that the cutter bar system 5 can be lifted and lowered, so as to change the height of the cutter bar system 5 according to actual operation requirements, which not only facilitates the operation convenience of the cutter bar system 5, but also avoids the cutter bar system 5 from colliding with the ground (or crops on the ground, etc.) when in a non-working state. In addition, as can be seen from the above, there is only one-level power transmission between the lifting drive end 512 of the cutter bar system and the hydraulic pump 403 (or the engine 401), which has the advantages of simple transmission route and low failure rate.

[0098] In an embodiment of the present application, the hybrid corn harvester further includes a fourth hydraulic drive member 13 for driving the steering of the traveling system 1, and the hydraulic pump 403 is also used to pump hydraulic oil to the fourth hydraulic drive member 13.

[0099] Specifically, in this embodiment, the fourth hydraulic drive member 13 can be selected as a hydraulic cylinder. The fourth hydraulic drive member 13 is drivingly connected to the rear axle 105 in the traveling system 1. The fourth hydraulic drive member 13 expands and contracts under the pumping action of the hydraulic pump 403, so that the rear axle 105 moves, so as to realize the steering function of the traveling system 1, and thus the forward direction of the hybrid corn harvester can be changed according to actual needs. As can be seen from the above, there is only one-level power transmission between the rear axle 105 of the traveling system 1 and the hydraulic pump 403 (or the engine 401), effectively improving the transmission efficiency between the rear axle 105 of the traveling system 1 and the hydraulic pump 403 (or the engine 401).

[0100] In an embodiment of the present application, the hybrid corn harvester further includes a grain tank 14 and a fifth hydraulic drive member 15 for driving the grain tank 14 to flip, and the hydraulic pump 403 is also used to pump hydraulic oil to the fifth hydraulic drive member 15.

[0101] Specifically, in this embodiment, the grain tank 14 is rotatably arranged on the frame of the hybrid corn harvester and is used to collect the crops picked by the hybrid corn harvester. A storage cavity is formed inside the grain tank 14, and a crop inlet and outlet communicating with the storage cavity is formed at the top of the grain tank 14; the fifth hydraulic drive member 15 can be selected as a hydraulic cylinder. The fifth hydraulic drive member 15 is connected to the grain tank 14. The fifth hydraulic drive member 15 expands and contracts under the pumping action of the hydraulic pump 403, so that the grain tank 14 flips relative to the frame to pour out the collected crops from the grain tank 14. As can be seen from the above, there is only one-level power transmission between the grain tank 14 and the hydraulic pump 403 (or the engine 401), and the transmission route is short and it is convenient for maintenance.

[0102] In this application, since the grain recovery device 3 is driven only when the hybrid corn harvester stops harvesting operations (i.e., when the corn crushing transfer operation of the elevating system 7, the lifting operation of the header system 5, the tipping operation of the grain tank 14, the bract chopping operation of the bract chopper 8, and the grain cleaning operation of the grain cleaning fan 10 all stop) to achieve grain recovery (i.e., output the grains in the grain recovery chamber from the grain outlet), that is, when the grain recovery device 3 operates, the elevating system 7, the header system 5, the grain tank 14, the bract chopper 8, and the grain cleaning fan 10 are all in a stopped state, thereby enabling the grain recovery device 3 to pump hydraulic oil by using the idle time of the hydraulic pump 403.

[0103] In the description of this application, it should be understood that the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of this application, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0104] In this application, unless otherwise clearly specified and defined, terms such as "installed", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0105] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0106] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present application.

Claims

1. An elevating system for a hybrid corn harvester, characterized in that, The elevating system (7) includes: An elevating driving member (701) for electrically connecting with the generator (402) of the hybrid corn harvester; A lower air blower (703), the input end of the first transmission shaft of the lower air blower (703) being drivingly connected to the elevating driving member (701); An upper air blower (704), the input end of the second transmission shaft of the upper air blower (704) being drivingly connected to the output end of the first transmission shaft through a first transmission assembly (706); A stem discharging roller (705), the input end of the stem discharging roller (705) being drivingly connected to the output end of the second transmission shaft through a second transmission assembly (707); An elevator (702), the elevator (702) being drivingly connected to the output end of the stem discharging roller (705) through a third transmission assembly.

2. The elevator system for a hybrid corn harvester according to claim 1, wherein The input end of the first transmission shaft is drivingly connected to the elevating driving member (701) through a first transmission key.

3. The elevator system for a hybrid corn harvester according to claim 1 or 2, characterized in that, The first transmission assembly (706) includes a first driving pulley, a first driven pulley and a first conveyor belt. The first driving pulley is arranged on the first transmission shaft and at the output end of the first transmission shaft. The first driven pulley is arranged on the second transmission shaft and at the input end of the second transmission shaft. The first conveyor belt is sleeved on the first driving pulley and the first driven pulley.

4. The elevator system for a hybrid corn harvester according to claim 3, characterized in that, The second transmission assembly (707) includes a second driving pulley, a second driven pulley and a second conveyor belt. The second driving pulley is arranged on the second transmission shaft and at the output end of the second transmission shaft. The second driving pulley is coaxially arranged with the first driven pulley. The second driven pulley is arranged on the stem discharging roller (705) and at the input end of the stem discharging roller (705). The second conveyor belt is sleeved on the second driving pulley and the second driven pulley.

5. The elevator system for a hybrid corn harvester according to claim 4, characterized in that, The third transmission assembly includes a first driving sprocket, a first driven sprocket and a first conveyor chain. The first driving sprocket is arranged on the stem discharging roller (705) and at the output end of the stem discharging roller (705). The first driving sprocket is coaxially arranged with the second driven pulley. The first driven sprocket is arranged on the elevator (702) and at the power input end of the elevator (702). The first conveyor chain is sleeved on the first driving sprocket and the first driven sprocket.

6. A hybrid corn harvester, characterized in that, The hybrid corn harvester includes a hydraulic oil source, a traveling system (1), a grain recycling device (3), a power system (4), a tilling system (2), a header system (5), a peeling system (6), and the elevating system (7) for the hybrid corn harvester according to any one of claims 1-5. The power system (4) includes: An engine (401), including a first power output end and a second power output end; A generator (402), the input end of the generator (402) is drivingly connected to the first power output end, and the power output end of the generator (402) is electrically connected to the traveling drive member (101) of the traveling system (1), the elevating drive member (701) of the elevating system (7), the peeling drive member (601) of the peeling system (6), the header drive member (501) of the header system (5), and the tilling drive member (201) of the tilling system (2); A hydraulic pump (403), which is drivingly connected to the second power output end and is used to pump the hydraulic oil in the hydraulic oil source to the grain recovery drive member (301) of the grain recovery device (3).

7. The hybrid corn harvester according to claim 6, characterized in that, The traveling system (1) further includes a traveling gearbox (102), a wheel side reducer (103) and traveling wheels (104). The input shaft of the traveling gearbox (102) is drivingly connected to the traveling drive member (101). The output shaft of the traveling gearbox (102) is connected to the input shaft of the wheel side reducer (103) through a second transmission key. The traveling wheels (104) are arranged on the output shaft of the wheel side reducer (103).

8. The hybrid corn harvester according to claim 6, wherein, The power system (4) further includes a coupling (404) with two ends respectively connected to the first power output end and the input end of the generator (402).

9. The hybrid corn harvester according to claim 6, characterized in that, The peeling system (6) further includes a peeling main transmission shaft (602), a peeling auger (603) and peeling rollers (604). The input end of the peeling main transmission shaft (602) is drivingly connected to the peeling drive member (601) through a first transmission chain assembly (605). The first output end of the peeling main transmission shaft (602) is drivingly connected to the input end of the peeling auger (603) through a second transmission chain assembly (606). The second output end of the peeling main transmission shaft (602) is drivingly connected to the peeling rollers (604) through a first transmission gear assembly (607).

10. The hybrid corn harvester according to claim 6, wherein, The tilling system (2) further includes a tilling gearbox (202) and a tiller (203). The input shaft of the tilling gearbox (202) is drivingly connected to the tilling drive member (201). The output shaft of the tilling gearbox (202) is drivingly connected to the tiller (203) through a first conveyor belt assembly (204).

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