CN115474472A - Transverse double-roller combine harvester - Google Patents

Abstract

The invention discloses a transverse double-roller combine harvester, which comprises a walking part, a granary part assembled above the walking part, a threshing system, a power part, a cutting part, a conveying mechanism, a cab and a fuel tank, wherein the granary part is arranged above the walking part; the conveying mechanism is arranged on one side of the cab, and two ends of the conveying mechanism are communicated with the cutting part and the threshing system; the threshing system is communicated with the granary part and comprises a threshing bin, a first threshing cylinder and a second threshing cylinder, wherein the first threshing cylinder and the second threshing cylinder are rotatably arranged in the threshing bin; a fan shaft and a discharge hole penetrate through the threshing bin, and the fan shaft is driven by a power part; the roller transmission system comprises a first threshing roller driving wheel connected to the first threshing roller, a second threshing roller driving wheel connected to the second threshing roller, a first roller belt and a chopper belt wheel; the fan shaft is used for driving the second threshing cylinder driving wheel to rotate; the first roller belt is connected with the first threshing roller driving wheel and the second threshing roller driving wheel; the chopper belt wheel is rotationally arranged on the threshing bin and is driven by the fan shaft to rotate.

Description

Transverse double-roller combine harvester

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a transverse double-roller combine harvester.

Background

Currently, a mainstream crawler combine harvester (transverse axial flow or longitudinal axial flow type) in the market generally arranges a threshing system and a grain bin part at the rear of a machine body side by side, wherein the threshing system is positioned at the left side, and the grain bin part is positioned at the right side, as shown in figures 9-10, structural changes of the grain bin part and the threshing part are mutually restricted. Arrange in the organism rear side by side to horizontal axial compressor type threshing system and granary portion, threshing system is located the left side, and the granary portion is located the right side, and the engine is located granary portion the place ahead, and the engine is now with power transmission to the jackshaft, then the jackshaft with power transmission to threshing system left side, whole threshing system's transmission assembly also arranges in the left side. The length of the threshing cylinder is not suitable to be lengthened due to the limitation of the positions of the granary part and the transmission assembly, meanwhile, the grass discharge channel is often protruded out of the outer side of the whole threshing machine, and the problem exists in the existing transverse axial flow cylinder in standby mode of threshing rate; as shown in fig. 11-14; the threshing machine and the grain bin are arranged side by side from left to right, the lengthening of the roller is influenced, the increase of the volume of the grain bin is also influenced, the grass discharge channel of the roller is limited by the structural width of the whole machine, is narrower and easy to block, and meanwhile, the design of a grass discharge wheel or a grass cutter (a stalk returning mechanism) and the like is limited by the structure of the grain bin and the threshing machine arranged from left to right; as shown in fig. 13-14, in the currently common transverse axial flow double-roller type, the roller grass discharge area is arranged at the outer side of the whole threshing system, and the whole grass discharge area protrudes out of the threshing working area; after the feed amount is increased, the widening of the grass discharging channel is limited.

As shown in fig. 15, in order to save space, the current domestic mainstream harvester generally arranges a power part (engine) at the lower side of a driving control part, and the noise and heat of the power part are easily transmitted to the driving control part, so that the comfort of a driver is influenced; the material conveying part is used for conveying the materials harvested by the cutting part to the threshing part for threshing and cleaning so as to obtain parts of grains; as shown in fig. 11-12 and fig. 16, no matter the harvester is a single-roller or double-roller axial-flow threshing system, the inlet of the traditional structure material conveying device occupies part of the threshing separation working area, so that the threshing separation area and efficiency are reduced, meanwhile, along with larger feeding amount, the conveying channel needs to be continuously widened, the more the occupied threshing separation working area is, the lower the threshing efficiency is, meanwhile, the wider the grass discharge channel is, the more asymmetric the whole threshing machine is, and the influence is exerted on the whole machine layout and the structural strength of the threshing machine.

Disclosure of Invention

The invention aims to provide a transverse double-roller combine harvester, which designs a threshing roller which spans the whole harvester, provides enough space for increasing the length of the threshing roller, ensures a threshing roller transmission system, and has compact structure and convenient maintenance.

The invention is realized by the following technical scheme:

a transverse double-roller combine harvester comprises a walking part, a granary part assembled above the walking part, a threshing system, a power part, a cutting part for harvesting crops, a conveying mechanism, a cab and a fuel tank; the granary part is arranged behind the cab, and the power part is arranged below the granary part; the conveying mechanism is arranged on one side of the cab, and two ends of the conveying mechanism are respectively communicated with the cutting part and the threshing system; the cutting portion is positioned in front of the cab; the threshing system is arranged behind the granary part and communicated with the granary part; the fuel tank is rotationally arranged below the threshing system; the threshing system comprises a threshing bin, a first threshing cylinder and a second threshing cylinder, wherein the first threshing cylinder and the second threshing cylinder are rotatably arranged in the threshing bin; the first threshing cylinder and the second threshing cylinder are arranged on the harvester in a crossing manner; the first threshing cylinder and the second threshing cylinder are driven to rotate by a cylinder transmission system; a fan shaft is rotatably arranged in the threshing bin and penetrates through the threshing bin; the power part is used for driving the fan shaft to rotate; the threshing bin is also provided with a discharge hole; the roller transmission system comprises a first threshing roller driving wheel, a second threshing roller driving wheel, a first roller belt and a chopper belt wheel which are arranged on one side of the threshing bin; the first threshing cylinder driving wheel and the second threshing cylinder driving wheel are fixedly connected to the first threshing cylinder and the second threshing cylinder respectively; the fan shaft is used for driving the second threshing cylinder driving wheel to rotate; the first cylinder belt is connected with the first threshing cylinder driving wheel and the second threshing cylinder driving wheel (namely, the second threshing cylinder driving wheel drives the first threshing cylinder driving wheel to rotate together through the first cylinder belt); the chopper belt wheel is rotatably arranged on the threshing bin and is fixedly connected to the chopper; the fan shaft is used for driving the second threshing cylinder driving wheel and the chopper belt wheel to rotate simultaneously. Specifically, the power part (i.e. the engine of the harvester) drives the fan shaft to rotate, the fan shaft drives the second threshing cylinder driving wheel to rotate, and the second threshing cylinder driving wheel drives the first threshing cylinder driving wheel to rotate together through the first cylinder belt, namely, the power part drives the first threshing cylinder and the second threshing cylinder to rotate together in the threshing bin. The fan shaft is also used for driving the chopper belt wheel to rotate simultaneously, the chopper belt wheel is fixedly connected to the chopper, the chopper rotates along with the chopper after the chopper belt wheel rotates, and the chopper rotates to chop harvested crops and then thresh and separate the harvested crops in the first separating roller and the second threshing roller. Preferably, the granary part is arranged behind the cab, so that a larger space is provided for mounting the granary part which is higher and wider, the grain storage volume is greatly increased, and the grain unloading times are reduced. Preferably, threshing system span whole harvester body to arrange in the rear of granary portion, transport mechanism and power portion, make about the focus distribute more rationally, improved harvester overall stability and equilibrium, simultaneously because first threshing cylinder and second threshing cylinder are horizontal setting, make first threshing cylinder with the increase of second threshing cylinder length no longer receives the restriction of granary portion, has satisfied the demand of big feeding volume, has improved threshing separation performance. Preferably, the roller transmission system is arranged on one side of the threshing bin (threshing system), so that the situation that the unharvested crops are rolled into the roller transmission system can be prevented, and the faults and potential safety hazards of the combine harvester and unnecessary crop harvesting loss are avoided. After the crops are threshed in the threshing bin, the produced crop grains are transported to the granary part for storage, and the crop straws are discharged through a discharge port and are ploughed in the field. Preferably, the transverse double-roller combine harvester of the invention also arranges the fuel tank at the lower side of the threshing system, so that the left and right gravity centers of the harvester are more reasonably distributed, and the stability and the balance of the whole harvester are improved. Preferably, the power part of the harvester is arranged on the lower side of the granary part, so that the maintenance space of the whole power part is increased while the space is effectively utilized, the granary part covers the power part, the power part is arranged below the rear part of the cab, and compared with the traditional crawler harvester which is arranged under the cab, the harvester can greatly reduce the noise and heat transmission of an engine and improve the comfort of a driver.

Furthermore, a fan driving belt wheel and a fan driven belt wheel are respectively and fixedly arranged at two ends of the fan shaft; the power part is used for driving the driving belt wheel of the fan to rotate; and the fan driven belt wheel is used for driving the second threshing cylinder driving wheel to rotate.

Furthermore, a main clutch belt is connected to the power part and the fan driving belt wheel; the power part drives the fan driving belt wheel to rotate (namely drives the fan shaft and the fan driven belt wheel to rotate) through a main clutch belt; the fan driven belt wheel and the second threshing cylinder driving wheel are connected with a second cylinder belt; the fan driven belt wheel drives the second threshing cylinder driving wheel to rotate through the second cylinder belt. The design cancels a middle transmission shaft, and the power output by the power part (engine) can be directly transmitted to a fan driving belt wheel assembled on the fan shaft through a main clutch belt to drive the fan shaft to rotate. The middle transmission shaft is omitted, and the power of the engine is directly transmitted to the threshing system through the fan shaft, so that the cost is reduced, and the power loss is reduced.

Furthermore, a first roller tension wheel is rotatably arranged on the threshing bin, and the first roller tension wheel is positioned between the first threshing roller driving wheel and the second threshing roller driving wheel; the first roller tensioning wheel is in contact with the first roller belt and is used for tensioning the first roller belt. Specifically, the first roller tension wheel is connected with the first roller belt, and the first roller belt between the first threshing roller driving wheel and the second threshing roller driving wheel is extruded downwards, so that the first roller belt is not loosened in tension, the first roller belt can be prevented from slipping on the first threshing roller driving wheel and the second threshing roller driving wheel, and the transmission through the first roller belt is facilitated.

Furthermore, a second roller tension wheel is also rotatably arranged on the threshing bin (the second roller tension wheel is positioned between the second threshing roller driving wheel and the fan driven belt wheel); the second roller tensioning wheel is in contact with the second roller belt and is used for tensioning the second roller belt. Similarly, the second roller tension pulley is connected with the second roller belt and extrudes the second roller belt between the second threshing roller driving wheel and the fan driven belt wheel, so that the second roller belt is not loosened in tension, the second roller belt can be prevented from slipping on the second threshing roller driving wheel and the fan driven belt wheel, and the transmission through the second roller belt is facilitated.

Furthermore, a chopper belt is connected to the driven belt wheel of the fan and the chopper belt wheel; the driven belt wheel of the fan drives the chopper belt wheel to rotate through the chopper belt. Specifically, the chopper belt wheel is fixedly connected to the chopper, the chopper belt wheel drives the chopper to rotate together after rotating, and the chopper rotates to chop and discharge the materials passing through the first threshing cylinder and the second threshing cylinder out of the thresher. The fan driven belt wheel drives the second threshing cylinder driving wheel and the chopper belt wheel to rotate through the second roller belt and the chopper belt, namely, the power part drives the chopper, the first threshing cylinder and the second threshing cylinder to work simultaneously.

Furthermore, a chopper tension wheel is also rotatably arranged on the threshing bin, and the chopper tension wheel is arranged close to the chopper belt wheel; the chopper take-up pulley with the chopper belt contact prevents the chopper belt from beating. Specifically, the chopper belt is tensioned by a chopper tensioning wheel.

Furthermore, a chopper tensioning wheel is also rotatably arranged on the threshing bin, and the chopper tensioning wheel is arranged close to the second roller tensioning wheel; the chopper fixed tension wheel is in contact with the chopper belt and is used for supporting the chopper belt. Specifically, the chopper fixed tension pulley is located at the middle position between the fan driven belt wheel and the chopper belt wheel, so that the chopper fixed tension pulley can well support the chopper belt, the chopper belt can be prevented from generating large deflection under the action of gravity due to too long center distance, and the chopper belt can be prevented from jumping.

Furthermore, an upper rotating shaft and a lower rotating shaft are arranged on the threshing bin; and two ends of the fuel tank are respectively connected with the upper rotating shaft and the lower rotating shaft in a rotating way. The fuel tank of the harvester is arranged at the lower side of the threshing system, and the fuel tank of the traditional harvester is usually fixed by using a hoop, so that the maintenance of a transmission part at the left side of the threshing machine is troublesome especially when the fuel tank is full of fuel, and the fuel tank needs to be detached. The fuel tank of the harvester is arranged in a rotary opening type, wherein an upper rotary shaft and a lower rotary shaft are welded on a threshing bin frame, the two rotary shafts form a rotary axis, and the upper part and the lower part of the fuel tank are provided with fuel tank rotary plates (concentric) with holes, and the fuel tank rotary plates are sleeved into the upper rotary shaft and the lower rotary shaft respectively, so that a fuel tank body can rotate around the rotary axis, and the maintenance of the harvester is more convenient.

The invention has the beneficial effects that:

(1) According to the transverse double-roller combine harvester, the transmission system of the threshing roller is arranged on the right side of the threshing system, the power of the power part is firstly transmitted to the fan shaft, then the fan shaft drives the second roller and the chopping device to rotate, and the second roller drives the first roller to rotate; according to the invention, the granary part is arranged in front of the threshing system and behind the cab, and meanwhile, the granary part is integrally moved upwards, so that the granary part is heightened and widened, and the total volume of the granary part is increased. The power part is arranged in front of the threshing system and below the granary part, so that the power is conveniently transmitted to the threshing system. As shown in fig. 17, in combination with the habit of domestic users in using the harvester for operation, the users are used to harvest in a circle anticlockwise along the plot, so that the left side of the harvester is always in the non-harvesting area of the harvested plot, and the right side of the harvester is in the harvested area; according to the transverse double-roller combine harvester, the cutting part and the main transmission of the working parts of the harvester are arranged on the right side of the harvester, so that the uncut crops can be prevented from being involved into a transmission system, and the occurrence of faults and potential safety hazards of the combine harvester and unnecessary crop harvesting loss are avoided.

(2) When the transverse double-roller combine harvester harvests, the uncut area is positioned at one side, the harvested area is positioned at the other side, and the roller transmission system is arranged at one side of the harvested area, so that uncut crops can be prevented from being involved in the transmission system, and the faults and potential safety hazards of the combine harvester and unnecessary crop harvesting loss are avoided. The invention adopts belt transmission, has simple and compact structure, light weight and convenient maintenance. And meanwhile, the granary part is arranged between the cab and the threshing system, so that space is provided for increasing the total volume of the granary part, and the grain unloading times are reduced. The threshing system spans the rear part of the whole harvester body, the left and right gravity centers are more reasonably distributed, and the stability and the balance of the whole harvester are improved. And the length of the first threshing cylinder and the length of the second threshing cylinder can be greatly increased by the arrangement of the cross device, the requirement of large feeding amount is met, and the threshing separation performance is improved.

(3) The harvester of the invention has simple and compact structure, light weight, low noise and convenient maintenance by adopting belt transmission.

(4) The transverse double-roller combine harvester of the invention cancels the middle transmission shaft, directly transmits the power of the engine to the threshing system through the fan shaft, simplifies the structure, reduces the cost and reduces the power loss. The fuel tank is designed to be opened in a rotating mode, and maintenance is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a left side view of a transverse twin-roll combine of the present invention;

FIG. 2 is a right side view of the transverse twin drum combine of the present invention;

FIG. 3 is a top plan view of the transverse twin-roll combine of the present invention;

FIG. 4 is a front view of the transverse twin drum combine of the present invention;

FIG. 5 is a schematic power input diagram of a threshing system of the transverse twin-roll combine harvester of the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 1; FIG. 7 is an enlarged view of portion B of FIG. 1;

FIG. 8 is a partial enlarged view of section C of FIG. 2, i.e., FIG. 8 corresponds to a schematic view of a roller drive system;

FIG. 9 shows a current longitudinal axial flow caterpillar combined harvester on the market;

FIG. 10 shows a cross axial flow crawler combine harvester which is the mainstream in the market at present;

FIGS. 11-12 are layout views of relative positions of threshing and granary of the transverse single-drum axial-flow combine harvester;

FIGS. 13-14 are layout views of relative positions of threshing and granary of the transverse double-drum axial-flow combine harvester;

fig. 15 is a layout diagram of relative positions of a driving control part and a power part in a mainstream harvester in the current market;

FIG. 16 is a layout diagram of the relative positions of the material feeding device and the thresher of the conventional harvester;

FIG. 17 is a harvesting schematic diagram of a domestic harvester user habit.

In the figure: 1 grain bin part, 2 threshing system, 3 roller transmission system, 4 power part, 5 cutting part, 6 transmission mechanism, 7 cab, 8 walking part, 9 fuel tank, 21 fan driving pulley, 22 fan shaft, 23 first disengaging roller, 24 second threshing roller, 25 threshing bin, 26 discharge port, 30 second roller belt, 31 first threshing roller driving wheel, 32 first roller belt, 33 first roller tension wheel, 34 second threshing roller driving wheel, 35 second roller tension wheel, 36 chopper tension wheel, 37 chopper belt, 38 chopper tension wheel, 39 chopper pulley, 40 fan driven pulley, 41 main clutch belt, 251 upper rotating shaft, 252 lower rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-8, a transverse double-roller combine harvester comprises a walking part 8, a granary part 1 assembled above the walking part 8, a threshing system 2, a power part 4, a cutting part 5 for harvesting crops, a conveying mechanism 6, a cab 7 and a fuel tank 9; the granary part 1 is arranged behind the cab 7, and the power part (engine) 4 is arranged below the granary part 1; the conveying mechanism 6 is arranged on one side of the cab 7, and two ends of the conveying mechanism 6 are respectively communicated with the cutting part 5 and the threshing system 2; the cutting part 5 is positioned in front of the cab 7; the threshing system 2 is arranged behind the granary part 1 and communicated with the granary part; the fuel tank 9 is rotationally arranged below the threshing system 2; the threshing system 2 comprises a threshing bin 25, a first threshing cylinder 23 and a second threshing cylinder 24 which are rotatably arranged in the threshing bin 25; the first threshing cylinder 23 and the second threshing cylinder 24 span across the harvester (i.e. the first threshing cylinder 23 and the second threshing cylinder 24 are perpendicular to the walking part 8); the first threshing cylinder 23 and the second threshing cylinder 24 are driven to run by the cylinder transmission system 3; the threshing bin 25 is rotatably provided with a fan shaft 22, the fan shaft 22 penetrates through the threshing bin 25, and the power part 4 is used for driving the fan shaft 22 to rotate; the threshing bin 25 is also provided with a discharge hole 26; the roller transmission system 3 comprises a first threshing roller driving wheel 31, a second threshing roller driving wheel 34, a first roller belt 32 and a chopper belt wheel 39 which are arranged on one side of the threshing bin 25; the first threshing cylinder driving wheel 31 and the second threshing cylinder driving wheel 34 are fixedly connected to the first threshing cylinder 23 and the second threshing cylinder 24 respectively; the fan shaft 22 is used for driving the second threshing cylinder driving wheel 34 to rotate; the first cylinder belt 32 is connected to the first threshing cylinder driving wheel 31 and the second threshing cylinder driving wheel 34, and the second threshing cylinder driving wheel 34 drives the first threshing cylinder driving wheel 31 to rotate together through the first cylinder belt 32; the chopper belt wheel 39 is rotationally arranged on the threshing bin 25, and the chopper belt wheel 39 is fixedly connected to a chopper; the fan shaft 22 is used for driving the second threshing cylinder driving wheel 34 and the chopper wheel 39 to rotate simultaneously (specifically, a fan driving wheel 21 and a fan driven wheel 40 are fixedly arranged at two ends of the fan shaft 22 respectively, a main clutch belt 41 is connected to the power part 4 and the fan driving wheel 21, the power part 4 drives the fan driving wheel 21 to rotate through the main clutch belt 41, namely, the fan shaft 22 is driven to rotate, the fan driven wheel 40 and the second threshing cylinder driving wheel 34 are connected with a second cylinder belt 30, the fan driven wheel 40 drives the second threshing cylinder driving wheel 34 to rotate through the second cylinder belt 30, the fan driven wheel 40 and the chopper wheel 39 are connected with a chopper belt 37, and the fan driven wheel 40 drives the chopper wheel 39 to rotate through the chopper belt 37).

As shown in fig. 8, the threshing bin 25 is further rotatably provided with a first roller tension pulley 33, the first roller tension pulley 33 is located between the first threshing cylinder driving wheel 31 and the second threshing cylinder driving wheel 34, and the first roller tension pulley 33 is in contact with the first roller belt 32 and is used for tensioning the first roller belt 32 to prevent the first roller belt 32 from slipping. Preferably, a second roller tension pulley 35 is further rotatably disposed on the threshing bin 25, the second roller tension pulley 35 is located between the second threshing roller driving wheel 34 and the fan driven pulley 40, and the second roller tension pulley 35 is in contact with the second roller belt 30 and is used for tensioning the second roller belt 30 to prevent the second roller belt 30 from slipping. Preferably, a chopper wheel 38 is rotatably provided on the threshing bin 25, and a chopper wheel 38 is provided near the chopper wheel 39, and the chopper wheel 38 is in contact with the chopper belt 37 and is used for tensioning the chopper belt 37 to prevent the chopper belt 37 from slipping. Preferably, a chopper tension wheel 36 is rotatably disposed on the threshing bin 25, the chopper tension wheel 36 is disposed near the second drum tension wheel 35, the chopper tension wheel 36 is in contact with the chopper belt 37 and is used for supporting the chopper belt 37, and the chopper tension wheel 36 is disposed at a middle position between the fan driven pulley 40 and the chopper pulley 39, so that the chopper tension wheel 36 can support the chopper belt 37 well, and the chopper belt 37 can be prevented from generating large deflection under the action of gravity due to too long center distance, and jumping of the chopper belt 37 can be prevented. Preferably, an upper rotating shaft 251 and a lower rotating shaft 252 are fixedly welded on the threshing bin 25; the upper and lower parts of the fuel tank 9 are provided with tank rotating plates (not shown) with holes, which are respectively sleeved on the upper rotating shaft 251 and the lower rotating shaft 252 to form a rotating connection; the two revolving shafts form a rotating axis, so that the fuel tank 9 can rotate around the rotating axis, and the harvester is more convenient to repair and maintain.

The invention discloses a transverse double-roller combine harvester, which comprises the following components in the actual operation process: a driver controls the harvester to move to a region to be harvested through the walking part 8 in the cab 7, crops are harvested through the cutting part 5, the harvested crops are conveyed into the threshing system 2 through the conveying mechanism 6, the power part 4 drives the fan driving belt wheel 21, the fan shaft 22 and the fan driven belt wheel 40 to rotate through the main clutch belt 41, the fan driven belt wheel 40 drives the second threshing cylinder driving wheel 34 and the chopper belt wheel 39 to rotate through the second cylinder belt 30 and the chopper belt 37, and the second threshing cylinder driving wheel 34 drives the first threshing cylinder driving wheel 31 to rotate through the first cylinder belt 32; at the moment, the first threshing cylinder 23, the second threshing cylinder 24 and the chopper are driven by the power part 4 to rotate, the crops complete threshing work in the threshing system 2 through the first threshing cylinder 23, the second threshing cylinder 24 and the chopper, the crops are conveyed to the granary part 1 for storage after being threshed, and the threshed crop straws are ploughed back to the field through the discharge hole 26.

The invention relates to a transverse double-roller combine harvester, which mainly comprises: the device comprises a driving control part (namely a cab 7), a cutting part 5, a material conveying part (namely a conveying mechanism 6), a granary part 1, a power part 4, a threshing part (namely a threshing system 2), a walking part 8, a fuel tank 9 and the like; the driver's cabin rear is equipped with and stores up the grain, and granary portion below is equipped with power portion, and driver's control portion left side is equipped with material transport portion, and driver's control portion and material transport portion the place ahead are cutting portion, and threshing system spanes whole organism, arranges in granary portion, material transport portion and power portion's rear, and the fuel tank is arranged at threshing portion feeding room downside simultaneously, and it is more reasonable to control the distribution of focus, has improved the stability and the equilibrium of complete machine.

The transverse double-roller combine harvester arranges the granary part in front of the threshing part and behind the cab, and simultaneously moves the granary part upwards integrally, the granary part is heightened and widened, the total volume of the granary part is greatly increased, the grain unloading times are reduced, the harvesting efficiency is improved, meanwhile, the transverse axial-flow roller thresher adapts to the requirement of widening rollers and sieve boxes for improving the threshing and cleaning capacity under the condition of large feeding amount, is not limited by the granary part, and meets the requirement of large feeding amount.

According to the transverse double-roller combine harvester, the power part is arranged on the lower side of the granary part, so that the maintenance space of the whole power part is increased while the space is effectively utilized, meanwhile, the granary part covers the lower part of the power part, and the power part is arranged below the rear part of the driving control part.

The preferred embodiments of the present invention are described above for illustrative purposes only and are not intended to limit the present invention. Obvious changes or modifications from the technical scheme of the invention are still within the protection scope of the invention.

Claims (9)

1. A transverse double-roller combine harvester is characterized by comprising a walking part (8), a granary part (1) assembled above the walking part (8), a threshing system (2), a power part (4), a cutting part (5) used for harvesting crops, a conveying mechanism (6), a cab (7) and a fuel tank (9); the granary part (1) is arranged behind the cab (7), and the power part (4) is arranged below the granary part (1); the conveying mechanism (6) is arranged on one side of the cab (7), and two ends of the conveying mechanism (6) are respectively communicated with the cutting part (5) and the threshing system (2); the cutting part (5) is positioned in front of the cab (7); the threshing system (2) is arranged behind the granary part (1) and communicated with the granary part; the fuel tank (9) is rotatably arranged below the threshing system (2);

the threshing system (2) comprises a threshing bin (25), and a first threshing cylinder (23) and a second threshing cylinder (24) which are rotatably arranged in the threshing bin (25); the first threshing cylinder (23) and the second threshing cylinder (24) are arranged on the harvester in a crossing way; the first threshing cylinder (23) and the second threshing cylinder (24) are driven to rotate by a cylinder transmission system (3); a fan shaft (22) is rotatably arranged in the threshing bin (25), and the fan shaft (22) penetrates through the threshing bin (25); the power part (4) is used for driving the fan shaft (22) to rotate; a discharge hole (26) is also formed in the threshing bin (25);

the roller transmission system (3) comprises a first threshing roller driving wheel (31), a second threshing roller driving wheel (34), a first roller belt (32) and a chopper belt wheel (39), which are arranged on one side of the threshing bin (25); the first threshing cylinder driving wheel (31) and the second threshing cylinder driving wheel (34) are fixedly connected to the first threshing cylinder (23) and the second threshing cylinder (24) respectively; the fan shaft (22) is used for driving the second threshing cylinder driving wheel (34) to rotate; the first drum belt (32) is connected to the first threshing drum drive wheel (31) and the second threshing drum drive wheel (34); the chopper belt wheel (39) is rotationally arranged on the threshing bin (25), and the chopper belt wheel (39) is fixedly connected to a chopper; the fan shaft (22) is used for simultaneously driving the second threshing cylinder driving wheel (34) and the chopper wheel (39) to rotate.

2. The transverse double-roller combine harvester according to claim 1, wherein a fan driving pulley (21) and a fan driven pulley (40) are fixedly arranged at two ends of the fan shaft (22) respectively; the power part (4) is used for driving the fan driving belt wheel (21) to rotate; the fan driven belt wheel (40) is used for driving the second threshing cylinder driving wheel (34) to rotate.

3. A transverse twin-drum combine harvester according to claim 2, characterised in that the power section (4) and the fan drive pulley (21) are connected with a main clutch belt (41); the power part (4) drives the fan driving belt wheel (21) to rotate through a main clutch belt (41); a second roller belt (30) is connected to the fan driven belt wheel (40) and the second threshing roller driving wheel (34); the fan driven belt wheel (40) drives the second threshing cylinder driving wheel (34) to rotate through the second cylinder belt (30).

4. A transverse twin-drum combine harvester according to claim 1, characterised in that the threshing bin (25) is further provided with a first drum tensioning wheel (33) in a rotating manner, and the first drum tensioning wheel (33) is located between the first threshing drum drive wheel (31) and the second threshing drum drive wheel (34); the first roller tensioner (33) is in contact with the first roller belt (32) for tensioning the first roller belt (32).

5. A transverse twin-drum combine harvester according to claim 1, characterised in that the threshing bin (25) is further rotatably provided with a second drum tensioner (35), the second drum tensioner (35) being in contact with the second drum belt (30) for tensioning the second drum belt (30).

6. A transverse twin-drum combine harvester according to claim 2, characterised in that a chopper belt (37) is connected to the fan driven pulley (40) and the chopper pulley (39); the fan driven belt wheel (40) drives the chopper belt wheel (39) to rotate through the chopper belt (37).

7. A transverse double-roller combine harvester according to claim 6, characterized in that a chopper tension wheel (38) is rotatably arranged on the threshing bin (25), the chopper tension wheel (38) is arranged near the chopper pulley (39); the chopper tension wheel (38) is connected with the chopper belt (37) and is used for tensioning the chopper belt (37).

8. A transverse double-roller combine harvester according to claim 6, characterized in that the threshing bin (25) is further rotatably provided with a chopper tension wheel (36), and the chopper tension wheel (36) is arranged close to the second roller tension wheel (35); the chopper tension wheel (36) is in contact with the chopper belt (37) to prevent the chopper belt (37) from jumping.

9. A transverse twin-drum combine harvester according to claim 1, characterised in that the threshing bin (25) is provided with an upper revolving shaft (251) and a lower revolving shaft (252); two ends of the fuel tank (9) are respectively and rotatably connected with the upper rotating shaft (251) and the lower rotating shaft (252).

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