JP6095544B2 - Combine - Google Patents

Description

  The present invention relates to a combine configured to transmit engine power to a traveling device and a threshing device.

As described above, a combine described in the following [1] is known as a combine having a structure for transmitting engine power to a traveling device and a threshing device.
[1] A combine provided with a transmission system that transmits driving force from the output shaft of the engine to the transmission and a transmission mechanism that transmits driving force to the threshing device (see Patent Document 1).

JP 2013-158258 A (paragraphs [0074, 0075], FIG. 5, FIG. 8, FIG. 10, FIG. 12)

The combine of the structure described in the above-mentioned Patent Document 1 inputs engine power to the auxiliary tang shaft at a relatively high position of the threshing device when transmitting power from the engine to the threshing device, and from the auxiliary tang shaft A transmission mechanism is provided to distribute the driving force to each part of the threshing device.
However, when a threshing device that does not have a secondary tang is used, in order to transmit the engine power to the main tang shaft at a lower position, it is necessary to hang a transmission pulley between the engine and the threshing device. As much as possible, the engine and the threshing device are arranged apart from each other, or a separate relay shaft is required to transmit power from the engine to the main tang shaft, so there is room for improvement in this regard. .

  In the present invention, power transmission from the engine to the threshing apparatus is made with a rational structure and a simple structure.

[Solution 1]
Combine technical means of the present invention taken in order to solve the above problems, a transmission for transmitting the engine driving force to the driving device, a threshing device, is provided, the power of the engine, the input of the transmission A combine configured to be branched and transmitted to the threshing device via a shaft , wherein the engine is arranged side by side with the front portion of the threshing device on the rear side of the front end of the threshing device, The transmission is arranged at a position closer to the engine in the left-right direction of the fuselage among the front positions of the threshing device in plan view, and the input shaft extends in the left-right direction of the fuselage from the transmission toward the engine. And an engine output shaft that outputs the power of the engine from the engine. A threshing device input shaft that extends along the left-right direction of the machine body toward the grain device side and inputs power to the threshing device runs along the left-right direction of the machine body from the front portion of the threshing device toward the engine side. An input / output rotator that is extended to be input from the engine side and outputs power to the threshing device side is provided on the input shaft, and engine output rotation that transmits power to the input shaft side A body is provided on the engine output shaft, and a threshing side rotator to which power is transmitted from the input shaft side is provided on the threshing device input shaft, and is endless from the engine output rotator to the input / output rotator. An engine power transmission unit that transmits power via a rotation band; and a power transmission unit for threshing that transmits power from the input / output rotator to the threshing side rotation body via an endless rotation band, output And the rotating body the threshing side rotator, is arranged side-by-side, the engine power transmitting section, in horizontal direction of the machine body, in which are located the machine body outward from the threshing power transmission unit.

[Operation and effect of invention according to Solution 1]
According to the configuration of the present invention relating to the above solution 1, the power of the engine is once transmitted to the input shaft of the transmission that is located farther from the engine than the threshing device at a close position. The power transmitted to the input shaft of the transmission is transmitted as a driving force for traveling to the traveling device on the lower transmission side, but from the input shaft separately from the power transmitted to the traveling device. The driving force to the threshing device is also taken out and transmitted to the threshing device.
In other words, by enabling the input shaft of the transmission, which is indispensable as a transmission mechanism for the traveling system, to be effectively used as a relay shaft in the transmission system of the threshing device, the output unit of the engine and the input unit of the threshing device are mutually connected in the front-rear direction. Even if it is approaching, there is an advantage that the transmission mechanism from the engine to the threshing device can be configured easily without any trouble.

[Solution 2]
Another technical means of the present invention taken to solve the above problem is that the engine output shaft and the threshing device input shaft are arranged at a height within the vertical width of the input / output rotator. is there.
[Solution 3]
Other technical means of the present invention taken to solve the above-described problems are provided with an engine-side tension mechanism that tensions the engine power transmission unit and a threshing-side tension mechanism that tensions the threshing power transmission unit. The engine side tension mechanism is disposed between the engine output shaft and the input shaft in a side view, and the threshing side tension mechanism is disposed between the threshing device input shaft and the input shaft in a side view. It is that it is arranged in.
[Solution 4]
Another technical means of the present invention taken in order to solve the above-described problem is that the traveling device includes a front traveling device and a rear traveling device, and the engine is disposed behind the front traveling device, That is, the input shaft is arranged at a position within the front-rear width of the front traveling device in the front-rear direction.
[Solution 5 ]
Another technical means of the present invention taken in order to solve the above problem is that the input / output rotator has an output rotator that transmits power to the threshing device.

[Operation and effect of invention according to Solution 5 ]
According to the configuration of the invention relating to the above solution 5 , there is an advantage that the power transmission structure to the threshing device can be simplified by a simple structure in which the output rotating body is simply provided on the input shaft of the transmission.

[Solution 6 ]
Another technical means of the present invention taken in order to solve the above problem, the input and output rotary body has an input rotary member to which power from the engine is transmitted, the output rotating body, wherein That is, the transmission is attached to the input shaft on the same side as the input rotating body.

[Operations and Effects of Invention According to Solution 6 ]
According to the configuration of the invention relating to the solution means 6 described above, an output rotating body that transmits power to the threshing device side is provided on the input shaft, and there is no restriction on the input shaft on the side opposite to the input shaft. There is an advantage that the degree of freedom in design can be increased.

[Solution 7 ]
Another technical means of the present invention taken in order to solve the above problems, relative to the transmission, on the side opposite to the side where the output rotary member is provided, free to shift the transmission power to the running device This means that a step transmission is provided.

[Operation and effect of invention according to Solution 7 ]
According to the configuration of the invention relating to the solving means 7 described above, on the side opposite to the side where the output rotating body is provided, the transmission is provided with a continuously variable transmission that shifts transmission power to the traveling device. The input shaft of the transmission can be used as input means for the continuously variable transmission, and there is an advantage that the structure can be further simplified.

[Solution 8 ]
Another technical means of the invention taken in order to solve the above problem, the input and output rotary body has an input rotary member to which power from the engine is transmitted, the output rotating body, wherein That is, it is located between the input rotating body and the transmission on the input shaft.

[Operation and effect of invention according to Solution 8 ]
According to the configuration of the invention relating to the above solution 8 , the input rotator for inputting the power from the engine to the traveling device and the output rotator for inputting the power to the threshing device are mutually very small. It can arrange | position in the state made to approach. Therefore, there is an advantage that the transmission structure for the engine, the threshing device, and the transmission can be made compact at a place where the engine, the threshing device, and the transmission are arranged close to each other.

[Solution 9 ]
Another technical means of the present invention taken in order to solve the above problems, the threshing power transmission unit, composed of the output rotary member to transmit power through the endless rotary Dotai to the threshing side rotator The threshing power transmission unit is located between the engine and the transmission in a direction along the axis of the output rotating body.

[Operations and effects of invention according to Solution 9 ]
According to the configuration of the invention relating to the above solution 9 , the threshing power transmission unit that transmits power to the threshing-side rotator on the threshing device side from the output rotator through the endless rotation band, the engine and the transmission There is an advantage that the power transmission structure from the input shaft to the threshing device can be compactly arranged in a narrow left-right direction interval between the input shaft and the threshing device.

[Solution 10 ]
According to another technical means of the present invention taken to solve the above problem, the input / output rotator has an input rotator to which power from the engine is transmitted , and the engine power transmission unit includes: The engine output rotator is configured to transmit a driving force to the input rotator via an endless rotation band, and the engine power transmission unit is arranged in a direction along the axis of the input shaft. And the transmission.

[Operations and Effects of Invention According to Solution 10 ]
According to the configuration of the invention relating to the solution means 10 described above, by using the engine power transmission unit that transmits power from the engine output rotating body to the input rotating body via the endless rotation belt, a narrow left and right between the engine and the transmission are provided. There is an advantage that the power transmission structure from the engine output shaft to the transmission can be arranged compactly in the direction interval.

[Solution 11 ]
Another technical means of the present invention taken to solve the above-mentioned problems is that the input / output rotator includes an output rotator that transmits power to the threshing device side, and an input rotator that transmits power from the engine. If, has said an output rotary member and the input rotary member, is that is disposed at a position adjacent on said input shaft.

[Operations and Effects of Invention According to Solution 11 ]
According to the configuration of the invention relating to the solving means 11 , the output rotator that transmits power to the threshing device side and the input rotator that transmits power from the engine are adjacent to each other on the input shaft of the transmission. Since they can be arranged close to each other, there is an advantage that the transmission structure from the engine through the transmission to the threshing device can be easily made compact.

[Solution 12 ]
Another technical means of the present invention taken to solve the above problem is that the output rotator and the input rotator are constituted by a series of pulleys provided on the input shaft.

[Operations and Effects of Invention According to Solution 12 ]
According to the configuration of the invention relating to the solving means 12 , the output rotator on the threshing device side and the input rotator on the transmission side are constituted by a series of pulleys provided on the input shaft of the transmission. It is easy to be arranged in a close state. Therefore, there is an advantage that the transmission structure from the engine through the transmission to the threshing device can be easily made more compact.

[Solution 13 ]
Another technical means of the present invention taken to solve the above-mentioned problems is that the input / output rotator includes an output rotator that transmits power to the threshing device side, and an input rotator that transmits power from the engine. If has a said engine power transmitting section, the power from the engine is configured to transmit to said input rotor, the threshing power transmission unit is transmitted to the input shaft power, the are outputted from the rotary member is configured to transfer to the threshing apparatus via the endless rotary Dotai, and the threshing power transmission unit and the engine power transmitting section, the axis of the engine output shaft That is, they are provided at positions overlapping each other in the direction view.

[Operations and Effects of Invention According to Solution 13 ]
According to the configuration of the invention relating to the solving means 13 , the threshing power transmission unit and the engine power transmission unit are provided so as to overlap each other when viewed in the axial direction of the output shaft of the engine. The space for disposing the part and the engine power transmission part can be shortened in the front-rear direction and the up-down direction.
That is, when the threshing power transmission unit and the engine power transmission unit are disposed in a state where the engine output shafts face each other in the front-rear direction, a space for arranging the threshing power transmission unit and the engine power transmission unit is provided. Becomes longer in the front-rear direction. In addition, when the threshing power transmission unit and the engine power transmission unit are disposed in a vertically displaced state, there is a wide space for arranging the threshing power transmission unit and the engine power transmission unit vertically. Therefore, it is necessary to secure a large installation space.
In the present invention, the threshing power transmission unit and the engine power transmission unit are disposed so as to overlap each other when viewed in the axial direction of the output shaft of the engine. is there.

[Solution 14 ]
The other technical means of the present invention taken in order to solve the above-described problem is that the threshing side rotating body is disposed at a position overlapping the engine as viewed in the axial direction of the engine output shaft . endless rotary Dotai of the power transmission unit, said output rotary member, is that which is Kakehari to said threshing side rotator.

[Operations and Effects of Invention According to Solution 14 ]
According to the configuration of the invention relating to the solving means 14 described above, the endless rotation band of the threshing power transmission unit overlaps the output rotating body provided on the input shaft of the transmission and the engine in the axial direction of the output shaft of the engine. Since the threshing side rotating body is arranged at a position where the threshing side is rotated, the endless rotation band of the power transmission unit for threshing is between the engine and the threshing side rotating body that are close to each other in the front-rear direction. There is an advantage that can be disposed without hindrance.

[Solution 15 ]
Another technical means of the present invention taken in order to solve the above-mentioned problem is that the threshing side rotating body is attached to a tang shaft of the threshing apparatus.

[Operations and Effects of Invention According to Solution 15 ]
According to the configuration of the invention relating to the solving means 15 , since the tang shaft of the threshing device can be used as the threshing side rotating body, it is possible to avoid an increase in the number of parts such as separately providing a transmission shaft for input.

[Solution 16 ]
Another technical means of the present invention taken to solve the above problem is configured such that the power of the engine is transmitted to the harvesting unit that harvests and harvests the harvested object via the Karatsu shaft. That is.

[Operations and Effects of Invention According to Solution 16 ]
According to the configuration of the invention relating to the solution means 16 described above, the tang shaft can be used as a power transmission member to the cutting portion, and the structure can be simplified by sharing the member.

[Solution 17 ]
Other technical means of the present invention taken in order to solve the above-described problems are that the input / output rotator includes an input rotator to which power from the engine is transmitted and an output rotator to transmit power to the threshing device side. the have the power which is decelerated at a peripheral speed difference between the output rotary member and the input rotary member is, is that is configured to be transmitted to the threshing apparatus.

[Operations and Effects of Invention According to Solution 17 ]
According to the configuration of the invention relating to the solution means 17 described above, the power decelerated by the difference in the peripheral speed between the input rotating body and the output rotating body of the input shaft of the transmission is transmitted to the threshing apparatus side. Therefore, even between the output rotator and the threshing-side rotator of the threshing apparatus, it is not necessary to further increase the diameter difference of the threshing-side rotator with respect to the output rotator and increase the speed reduction degree. There is an advantage that it can be configured relatively small.

It is a right view of a combine. It is a whole top view of a combine. It is a top view which shows the state which removed the grain tank in the combine. It is a side view which shows the power transmission structure of an engine, a transmission, and a threshing apparatus. It is a front view which shows the power transmission structure of an engine, a transmission, and a threshing apparatus. It is a front view which shows the power transmission structure of an engine, a transmission, and a threshing apparatus. It is a disassembled perspective view which shows the structure of the power transmission location from an engine to a threshing apparatus through a transmission. It is a diagram which shows a power transmission system.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
〔overall structure〕
1 to 5 show an all-throw-in type (ordinary type) combine which is an example of a combine according to the present invention. FIG. 1 shows the right side of the entire aircraft, and FIG. 2 shows the plane. FIG. 3 is a plan view showing a state where the grain tank 5 is removed and the threshing device 4 is exposed.

As shown in these drawings, the full throw-in type combine described above has a pair of left and right front wheels 2F, 2F (corresponding to a front traveling device) and a pair of left and right rear wheels 2R, 2R ( A traveling device 2 is provided which corresponds to a rear traveling device.
A driving cabin 15 (corresponding to the driving part) is provided at the front part of the body frame 1, a threshing device 4 and a glen tank 5 are provided at the rear side thereof, and a waste wall treatment device 16 is provided at the rear part. On the other hand, a cutting processing device 17 that moves up and down around a horizontal horizontal axis (not shown) is provided at the front portion to constitute a self-propelled aircraft.
The engine 3 is mounted on the lateral side of the threshing device 4 at the front portion on the body frame 1, and the radiator 7 is disposed at a rear position away from the engine 3. A fuel tank 8 is mounted on the opposite side of the threshing device 4 from the engine 3. The power of the engine 3 is transmitted to the threshing device 4, the cutting processing device 17, the radiator fan 7 a that cools the radiator 7, and the like, in addition to the traveling device 2 described above.

The power transmitted to the front wheel 2F of the traveling device 2 via the front wheel drive shaft 24 extending from the transmission 20 mounted on the front portion of the vehicle body frame 1 to the left and right is transmitted to the vehicle body side of the front wheel 2F. It is configured to be transmitted to the front wheel 2F via the speed reduction case 25 provided in a state of entering the recessed portion formed on the facing surface and the front axle 2a supported by the speed reduction case 25.
As a result, the front wheel 2F is mounted so that the power of the engine 3 is transmitted through the front axle 2a and is driven to rotate around the horizontal horizontal axis x1, both in the lateral width and diameter. However, it is comprised by the non-steering wheel which consists of a tire wheel larger than 2R of rear-wheels.

  As shown in FIGS. 4 and 5, the rear wheel 2R is a rear wheel support frame (not shown) mounted on the rear portion of the vehicle body frame 1 so as to be swingable left and right around a longitudinal axis (not shown). ) And the steering wheel provided with the rear axle 2b that can be steered around the vertical swing axis. The rear wheel 2R is composed of a tire wheel whose left-right width and diameter are set smaller than those of the front wheel 2F, and rotates around a horizontal horizontal axis x2 of the rear axle 2b.

[Reaping processing device]
As shown in FIGS. 1 to 3, a cutting processing device 17 that moves up and down around the horizontal axis along the left-right direction is provided on the front side of the threshing device 4 mounted on the vehicle body frame 1.
This cutting processing device 17 includes a feeder 17A that supplies crops such as stalks that have been cut to the threshing device 4, a scraping reel 17B that scrapes crop tips such as planting stalks, and a stock source side. The cutting device 17C for cutting and the lateral feed auger 17D that collects the harvested crops in the central portion in the cutting width direction are provided, so that the crops are harvested, fed into the feeder 17A, and supplied to the threshing device 4.
Although not shown, the feeder 17A is equipped with an endless belt-like carrier that rotates in the front-rear direction inside a rectangular tube-like case, and is configured to convey the fed harvested crops upward and rearward. Has been. The crop conveyance direction by the feeder 17A is the front-rear direction along the barrel rotation axis p1 (see FIG. 4) of the barrel 40 in the threshing device 4, and the scraping reel 17B or the like is accompanied by the raising / lowering operation of the feeder 17A portion. The reaping device 17C and the transverse feed auger 17D are also configured to be able to move up and down.

[Threshing equipment]
As described above, the threshing device 4 is disposed on the body frame 1 so that the barrel rotation axis p1 is along the front-rear direction. This threshing device 4 is arranged in the front-rear direction interval between the front wheel 2F and the rear wheel 2R in the front-rear direction, and is also arranged in a state of being located within the interval width between the left and right front wheels 2F and the rear wheel 2R in the left-right direction. Yes.
Further, as shown in FIG. 1, the threshing device 4 has a lower surface slightly lower than the front axle 2a of the front wheel 2F that is a non-steering wheel and slightly higher than the rear axle 2b of the rear wheel 2R that is a steering wheel. In position. That is, the front axle 2a of the front wheel 2F that is a non-steering wheel or the rear axle 2b of the rear wheel 2R that is a steering wheel is disposed at substantially the same height.

  The threshing device 4 arranged in this way is arranged in a state where the barrel rotation axis p1 of the threshing device 4 is biased to the left side with respect to the center line CL in the left-right direction of the machine body. Since the center line in the left-right direction of the threshing device 4 exists at the same position as the front and rear handling cylinder rotation axis p1 of the handling cylinder 40 disposed inside, the entire threshing apparatus 4 is also It is arranged in a state of being deviated to the left with respect to the center line CL in the left-right direction of the airframe.

The feeder 17A for supplying the harvested crop to the threshing device 4 is arranged in a state of being deviated to the left side with respect to the center line CL in the left-right direction of the machine body as in the threshing device 4, as shown in FIG. In addition, the transmission 20 that is biased to the right with respect to the center line CL in the left-right direction of the machine body is disposed at a position that partially overlaps in plan view.
The waste straw processing device 16 is integrally attached to the rear portion of the threshing device 4, and is configured to cut the waste straw after the threshing treatment and discharge it to the outside.

The threshing device 4 is formed in a rectangular box shape that is long in the longitudinal direction of the machine body, and includes a tang 41 at the front end thereof (see FIG. 8). A tang shaft 41a (corresponding to a threshing device input shaft) provided with the blower blades of the tang 41 is extended to the right lateral outer side of the threshing case 4A, and the engine 3 is connected to the threshing device 4 at the extended portion of the tang shaft 41a. A threshing input pulley 41b (corresponding to a threshing side rotating body) for receiving the power transmitted from is attached.
The threshing device 4 is not provided with a secondary tang and is configured to blow air to the selected portion using only the tang 41.

  Inside the threshing device 4, a handling cylinder 40 for threshing the harvested crop fed from the feeder 17A side is arranged so as to be driven to rotate around a handling cylinder axis 40a in the front-rear direction. In addition to the handling barrel 40, a sorting processing device 42 that swings and sorts the harvested crop that has been threshed by the handling barrel 40 and the like are provided along with the air blowing action of the Karatsu 41.

[Glen tank]
As shown in FIG. 1 to FIG. 3, the Glen tank 5 is located on the rear side of the operation cabin 15 and on the left side of the tank support 13 that is erected on the right side of the body frame 1. Is provided across the upper side of the threshing device 4.
The Glen tank 5 is mounted with a box-shaped tank body 51 having a width in the left-right direction over almost the entire width in the left-right direction of the fuselage on the upper side of a bottom frame 50 formed in a lattice shape by assembling various steel materials such as square pipes. It is.
The bottom frame 50 and the tank body 51 are integrally connected, and supported by a swing support shaft 52 provided at the upper end of the tank support 13 so as to be swingable around a swing axis z2 in the front-rear direction. Has been.

As shown in FIGS. 1 and 3, the tank support 13 is disposed on the vehicle body frame 1 between the front wheel 2 </ b> F and the rear wheel 2 </ b> R at the right lateral side portion of the threshing device 4. The tank support 13 includes an outer support 13 </ b> A disposed on the side farther from the threshing device 4 and an inner support 13 </ b> B disposed on the side closer to the threshing device 4 than that. The lower end portion of the outer support column 13A and the lower end portion of the inner support column 13B are fixed to the vehicle body frame 1, and the upper end portions of the outer support column 13A and the inner support column 13B are connected to the upper frame 13C. An end of the grain discharge port 5A corresponding to one end of the grain tank 5 in the left-right direction is connected to and supported by the upper frame 13C so as to swing up and down around the swing axis z2 in the front-rear direction. .
A hydraulically driven dump cylinder 53 is interposed between the inner column 13 </ b> B of the tank support 13 and the bottom frame 50 of the Glen tank 5. The expansion and contraction of the dump cylinder 53 causes the Glen tank 5 to swing up and down around the swing axis z2 between a storage posture in which the bottom surface of the tank body 51 is horizontal or substantially horizontal and a discharge posture in which the bottom surface is raised. The posture can be changed by moving it.

[Driving cabin]
As shown in FIGS. 1 and 3, the driving cabin 15 is mounted and installed on a driving unit frame 11 erected on the vehicle body frame 1.
Thus, the driving cabin 15 is supported by the vehicle body frame 1 via the driving unit frame 11 at a position higher than the upper edge of the outer diameter of the front wheel 2F and at a position ahead of the rear edge of the front wheel 2F. .

  In the driving cabin 15, a steering handle 15a for steering operation, a driving seat 15b, and the like are arranged, and the rear wheel 2R is steered by the operation of the steering handle 15a. Although not shown in the figure, various operating tools and instruments for maneuvering operations and work operations are provided in the driving cabin 15.

[Power transmission structure]
Next, a power transmission structure that transmits the power of the engine 3 to the threshing device 4 through the input shaft 21 of the transmission 20 will be described.
As shown in FIGS. 4 to 8, the engine 3 is disposed on the right outer side of the vehicle body frame 1 with a crankshaft (not shown) along the left-right direction of the body.
An output pulley 30 (corresponding to an engine output rotating body) is provided on one end side (inside the body) of the engine 3 in the state where the axial direction is along the left-right direction of the body together with the flywheel 3A. An output shaft 31 (corresponding to an engine output shaft) projects from the other end (outside the machine body), and a second output pulley 31a is attached to the output shaft 31. As shown in FIG. 8, the second output pulley 31a is stretched by a third transmission belt 34 constituted by a single V-belt, which is an example of an endless rotation band for taking out driving force to the radiator fan 7a. Has been.

The output pulley 30 is wound around the outer periphery of a first transmission belt 32 (corresponding to an engine power transmission portion) composed of a set of three V belts, which is an example of an endless rotation belt. The belt groove of the part is provided.
The transmission 20 located on the front side of the engine 3 and on the inner side of the body (left side in the left-right direction) than the engine 3 is provided with an input shaft 21 that protrudes on the outer side of the body (right side in the left-right direction). An input / output pulley 22 (corresponding to an input / output rotator) is attached to the input shaft 21 so as to rotate integrally.

The input / output pulley 22 includes a first rotating body portion 22A (corresponding to an input rotating body) having three belt grooves for winding the three V belts of the first transmission belt 32; A second rotating body portion 22B (corresponding to an output rotating body) provided with two belt grooves for winding a second transmission belt 33 described later is provided.
The first rotator portion 22A and the second rotator portion 22B are constituted by a multiple pulley integrally molded, the first rotator portion 22A side is located on the outer side of the machine body where the engine 3 is present with a large diameter, The rotating body portion 22B has a small diameter, and is located closer to the body side where the threshing device 4 exists.
The transmission 20 is provided with a continuously variable transmission 23 for shifting the power input from the input shaft 21 and transmitting it to the traveling device 2 on the side opposite to the side where the input / output pulley 22 is provided. The power shifted by the continuously variable transmission 23 is configured to be output from the front wheel drive shaft 24 via a transmission mechanism (not shown) provided inside the transmission 20.

On the second rotating body portion 22B of the input / output pulley 22, a second transmission belt 33 (corresponding to a power transmission unit for threshing) composed of a set of two V belts, which is an example of an endless rotation belt, is used. It has been turned.
The second transmission belt 33 is wound around a threshing input pulley 41b provided on the tang shaft 41a of the threshing device 4, and engine power is transmitted from the second rotating body portion 22B via the second transmission belt 33. It is comprised so that it may input.
The threshing input pulley 41b on the side of the tang shaft 41a is formed to have a larger diameter than the second rotating body portion 22B and the output pulley 30, and is configured so that the engine speed is reduced and transmitted to the tang shaft 41a. ing.

As shown in FIGS. 4 and 6, the threshing device 4 is mounted on the vehicle body frame 1 on the rear side of the transmission 20, and the tang shaft 41 a is arranged in the front-rear direction of the engine 3 than the input shaft 21 of the transmission 20. The position is close to the axis x3 of the output pulley 30 and the output shaft 31. Specifically, as shown in FIG. 4, when viewed in the direction of the axial center x3 of the output pulley 30 and the output shaft 31 of the engine 3, the tang shaft 41 a is in a position overlapping the output pulley 30.
Therefore, the output pulley 30 and the threshing input pulley 41b overlap each other, and the first transmission belt 32 and the second transmission belt 33 are also arranged in a positional relationship overlapping each other.

In front view or plan view, as shown in FIGS. 5 and 6, the output pulley 30, the input / output pulley 22, and the threshing input pulley 41 b are also disposed between the engine 3, the transmission 20, and the threshing device 4. ing. The input / output pulley 22 is arranged such that the first rotating body portion 22A is close to the engine 3 side and the second rotating body portion 22B is close to the transmission 20 and the threshing device 4.
Therefore, as a matter of course, the first transmission belt 32 and the second transmission belt 33 are also disposed between the engine 3, the transmission 20, and the threshing device 4.

A first tension wheel 35 is provided on the first transmission belt 32 wound around the output pulley 30 of the engine 3 and the first rotating body portion 22A of the transmission 20.
The second transmission belt 33 wound around the second rotating body portion 22B of the transmission 20 and the threshing input pulley 41b of the threshing device 4 is provided so that the second tension ring 36 acts.

As shown in FIG. 5, one end side of the support shaft 35a is elongated in one direction, and the extended portion of the first tension wheel 35 is biased with the free end side of the swingable first arm member 35b. It is supported on the free end side of the mechanism 37.
As shown in FIG. 4, the first arm member 35 b is an L-shaped support base frame that is lifted up to a position higher than the transmission 20 so as to be a mounting base for the driving part frame 11 in the vehicle body frame 1. 12 is pivotally supported on the base end side. The base end side of the urging mechanism 37 is pivotally supported by a bracket 1 a fixed to the vehicle body frame 1 on the side close to the engine 3.
The urging mechanism 37 is equipped with a compression spring 37 a that urges the urging mechanism 37 in a direction that shortens the distance between the support shaft 35 a and the pivotally supported portion on the proximal end side of the urging mechanism 37. A biasing force is applied to the first tension wheel 35 so that the first transmission belt 32 is constantly biased to the tension side by the biasing force of the compression spring 37a.

The second tension ring 36 is attached to a second arm member 36b whose pivot 36a is pivotally supported on the upper side of the transmission 20 and configured to be swingable. An operation member 36c having a coil spring is connected to the middle position in the length direction of the second arm member 36b, and an unillustrated switch such as an operation lever capable of swinging operation is connected to the operation member 36c. The operation tool is configured to be switchable between a threshing clutch engaged state and a disengaged state.
As a result, the threshing clutch is engaged so that the engine power is transmitted to the threshing device 4 by swinging the second tension wheel 36 to the lifting side and switching to the side where the second transmission belt 33 is tensioned. By releasing the lifting of the second tension wheel 36 and switching to the side where the second transmission belt 33 is relaxed, the threshing clutch disengaged state in which the transmission of the engine power to the threshing device 4 is cut off.

As shown in FIG. 8, the engine power input to the rod shaft 41a is treated with a handling cylinder side drive mechanism 43 for driving the handling cylinder 40 and a harvesting side drive that transmits the power to the harvesting processing device 17 including the feeder 17A. The mechanism 44 and the sorting side driving mechanism 45 for driving the sorting processing device 42 and the like are distributed and supplied. Each of the handling cylinder side drive mechanism 43, the cutting side drive mechanism 44, and the sorting side drive mechanism 45 includes a transmission belt. The power is also transmitted from the lower transmission side of the sorting-side drive mechanism 45 to the waste straw processing device 16 via the transmission belt 46.
The sorting-side drive mechanism 45 includes a transmission belt 45a that transmits power to the first screw 42a and the lifting device 47, a transmission belt 45b that transmits power to the second screw 42b and the second reduction device 48, and a swing sorting plate. And a transmission belt 45c for transmitting power to 42c.

[Other Embodiment 1]
In the above-described embodiment, the traveling device 2 is configured such that the front wheel 2F is configured by a non-steering wheel and the rear wheel 2R is configured by a steering wheel. However, the present invention is not limited thereto, and for example, the front wheel 2F is steered. The rear wheel 2R may be a non-steering wheel. Moreover, you may comprise both the front wheel 2F and the rear wheel 2R with a steering wheel.
Other configurations may be the same as those in the above-described embodiment.

[Second embodiment]
In the above embodiment, the traveling device 2 has a structure in which the front wheel 2F is a driving wheel constituted by non-steering wheels and the rear wheel 2R is constituted by steering wheels that are not driven. It is not limited.
For example, the front wheels 2F are steered wheels that are not driven, the rear wheels 2R are non-steered drive wheels, or both the front wheels 2F and the rear wheels 2R are steered wheels, The rear wheel 2R may be configured to be driven together.
Other configurations may be the same as those in the above-described embodiment.

[3 of another embodiment]
In the above embodiment, the front traveling unit is configured with the front wheel 2F including non-steering wheels, and the rear traveling unit is configured with the rear wheel 2R including steering wheels. The front traveling unit may be configured by a semi-crawler type crawler traveling device, and the rear traveling unit may be configured by a rear wheel 2R including steering wheels. Conversely, the front traveling unit may be configured by a front wheel 2F made of steered wheels, and the rear traveling unit may be configured by a semi-crawler type crawler traveling device.
In this case, the semi-crawler type crawler traveling device is driven, and the rear wheel 2R or the front wheel 2F constituted by the steered wheels may be non-driven. The rear wheel 2R or the front wheel 2F constituted by wheels may be driven together.
Other configurations may be the same as those in the above-described embodiment.

[4 of another embodiment]
In the above-described embodiment, the Glen tank 5 disposed above the threshing device 4 is configured to be tiltable around the swing axis z2 provided on one end side in the left-right direction, and the swing axis. Although the grain discharge port 5A that can be opened and closed is provided on the side where z2 is provided and the grain is discharged in the tilted posture, the structure is not limited to this. For example, the grain may be discharged by providing a drain auger (not shown) without providing the grain tank 5 with an openable / closable grain outlet 5A.
If constituted in this way, it is possible to discharge without providing the dump cylinder 53 for tilting the Glen tank 5, but by providing the dump cylinder 53, the grains existing at the bottom of the tank body 51 are discharged. It is desirable to arrange to gather to the side where the auger is located.
Other configurations may be the same as those in the above-described embodiment.

[5 of another embodiment]
In the above embodiment, the structure having the driving cabin 15 as the driving portion is exemplified in the above embodiment, but the present invention is not limited to this, and the driving portion is not provided with the driving cabin 15 and is simply provided. It may be provided only with the steering handle 15a and the driver's seat 15b.
Other configurations may be the same as those in the above-described embodiment.

[6 of another embodiment]
In said embodiment, the thing of the structure using the output pulley 30 as an engine output rotary body, the input-output pulley 22 as an input rotary body and an output rotary body, and the threshing input pulley 41b as a threshing side rotary body was shown. However, the output or input rotating body is not limited to a pulley, and may be a sprocket, for example. In that case, a transmission chain may be used in place of the transmission belts 32 and 33 for the endless rotation band for transmission. Similarly, in a transmission structure using an endless rotation band in other places such as the threshing device 4, a transmission chain may be employed instead of the transmission belt.
Other configurations may be the same as those in the above-described embodiment.

[7 of another embodiment]
In said embodiment, the 2nd rotary body part 22B as an output rotary body which transmits motive power to the threshing apparatus 4 side is the same as the side in which the 1st rotary body part 22A as an input rotary body exists with respect to the transmission 20. Although the thing of the structure attached to the input shaft 21 on the side was illustrated, it is not restricted to this, For example, it is 2nd rotary body part on the opposite side to the side in which 22 A of 1st rotary body parts exist with respect to the transmission 20. You may comprise so that 22B may exist.
Other configurations may be the same as those in the above-described embodiment.

[8 of another embodiment]
In the above-described embodiment, the structure in which the red pepper shaft 41a is employed as the threshing side rotating body is illustrated, but the present invention is not limited to this, and an appropriate shaft that can be a transmission relay shaft can be employed.
Other configurations may be the same as those in the above-described embodiment.

[9 of another embodiment]
In the above embodiment, the first rotating body portion 22A and the second rotating body portion 22B are exemplified by the input / output pulley 22 that is integrally molded. Each of the portion 22A and the second rotating body portion 22B may be configured by a pulley or a sprocket that is configured separately, and may be fixed to the input shaft 21 individually.
Other configurations may be the same as those in the above-described embodiment.

[10 of another embodiment]
In the above embodiment, the first transmission belt 32 as the engine power transmission unit and the second transmission belt 33 as the threshing power transmission unit overlap each other when viewed in the axial direction of the output shaft 31 of the engine 3. However, the first transmission belt 32 and the second transmission belt 33 may be disposed in a state in which they are displaced from each other in the vertical direction.
Other configurations may be the same as those in the above-described embodiment.

[11 of another embodiment]
In the above-described embodiment, the transmission 20 has a structure in the front position of the engine 3. However, the present invention is not limited to this. For example, the transmission 20 may be in the rear side of the engine 3.
Other configurations may be the same as those in the above-described embodiment.

  The combine shown in the present invention is not limited to harvesting grains such as rice, wheat, and corn, but can also be applied to harvesting beans such as soybeans and florets such as rapeseed. Moreover, not only a normal type combine but a self-removal type combine may be sufficient.

DESCRIPTION OF SYMBOLS 1 Body frame 2 Traveling device 3 Engine 4 Threshing device 5 Glen tank 15 Driving cabin (driving part)
20 Transmission 21 Input shaft
DESCRIPTION OF SYMBOLS 22 Input / output rotary body 22A Input rotary body 22B Output rotary body 23 Continuously variable transmission 30 Engine output rotary body 31 Engine output shaft 32 Engine power transmission part 33 Threshing power transmission part 41a Threshing apparatus input shaft 41b Threshing side rotary body

Claims (17)

A transmission for transmitting the engine, the driving force to run the line device, the thresher unit, is provided,
A combine configured to transmit power of the engine to the threshing device via an input shaft of the transmission ;
The engine is arranged behind the front end of the threshing device in a side-by-side state with the front portion of the threshing device, and the transmission is in the left-right direction of the body of the front position of the threshing device in plan view. Placed at a position closer to the engine,
The input shaft extends from the transmission toward the engine side along the left-right direction of the fuselage, and the engine output shaft that outputs the power of the engine extends from the engine toward the threshing device side. A threshing device input shaft that extends along the direction and inputs power to the threshing device extends from the front side portion of the threshing device toward the engine side along the left-right direction of the body,
An input / output rotating body that receives power from the engine side and outputs power to the threshing apparatus side is provided on the input shaft, and an engine output rotating body that transmits power to the input shaft side is the engine. A threshing-side rotating body that is provided on the output shaft and from which power is transmitted from the input shaft side is provided on the threshing device input shaft,
An engine power transmission unit that transmits power from the engine output rotator to the input / output rotator via an endless rotation band, and transmits power from the input / output rotator to the threshing side rotator via an endless rotation band. A power transmission unit for threshing,
The engine output rotator and the threshing side rotator are arranged side by side,
The engine power transmission unit is a combine that is arranged on the outer side of the machine in the left-right direction of the machine than the power transmission part for threshing. The combine according to claim 1, wherein the engine output shaft and the threshing device input shaft are arranged at a height within a vertical width of the input / output rotator. An engine-side tension mechanism that tensions the engine power transmission unit, and a threshing-side tension mechanism that tensions the threshing power transmission unit,
The engine side tension mechanism is disposed between the engine output shaft and the input shaft in a side view,
The combine according to claim 1 or 2, wherein the threshing-side tension mechanism is disposed between the threshing device input shaft and the input shaft in a side view. As the traveling device, a front traveling device and a rear traveling device are provided,
The engine is arranged behind the front traveling device,
The combine according to any one of claims 1 to 3, wherein the input shaft is disposed at a position within a front-rear width of the front traveling device in the front-rear direction. It said output rotary member, according to claim 1-4 Combine according to one of having the output rotating member for transmitting power to the threshing apparatus. Said output rotary member has an input rotary member to which power from the engine is transmitted, the output rotary member, with respect to the transmission, at the same side as the input rotary member is provided The combine according to claim 5 attached to the input shaft. The combine of Claim 5 or 6 with which the continuously variable transmission which changes the transmission power to the said traveling apparatus is provided in the opposite side to the side in which the said output rotary body was provided with respect to the said transmission. Said output rotary member has an input rotary member to which power from the engine is transmitted, the output rotating body, on said input shaft, located between the input rotary member, the transmission The combine according to any one of claims 5 to 7 . The threshing power transmission unit is configured to transmit power from the output rotor through the endless rotary Dotai to the threshing side rotator,
The combine according to any one of claims 5 to 8 , wherein the threshing power transmission unit is located between the engine and the transmission in a direction along an axis of the output rotating body. Said output rotary member has an input rotary member to which power from the engine is transmitted,
The engine power transmission unit is configured to transmit a driving force from the engine output rotator to the input rotator via an endless rotation band ,
The combine according to any one of claims 1 to 9 , wherein the engine power transmission unit is located between the engine and the transmission in a direction along an axis of the input shaft. The input / output rotator includes an output rotator that transmits power to the threshing apparatus side, and an input rotator that transmits power from the engine,
Said output rotary member and the input rotary member, combine to any one of claims 5 to 10, which is disposed at a position adjacent on said input shaft. The combine according to claim 11, wherein the output rotator and the input rotator are constituted by a series of pulleys provided on the input shaft. The input / output rotator includes an output rotator that transmits power to the threshing apparatus side, and an input rotator that transmits power from the engine,
It said engine power transmitting section is configured to transmit the power from the engine to the input rotary member,
The threshing power transmission unit, the power transmitted to the input shaft, is configured to transmit to the threshing apparatus via the endless rotary Dotai from the output rotor,
The combine according to any one of claims 1 to 12 , wherein the threshing power transmission unit and the engine power transmission unit are provided at positions overlapping each other when viewed in the axial direction of the engine output shaft . The threshing side rotating body is disposed at a position overlapping with the engine in the axial direction view of the engine output shaft,
The endless rotary Dotai threshing power transmission unit, said output rotary member, according to claim 13 is Kakehari to said threshing side rotator combine. The combine according to any one of claims 1 to 14, wherein the threshing side rotating body is attached to a tang shaft of the threshing apparatus. The combine of Claim 15 comprised so that the motive power of the said engine might be transmitted to the cutting part which cuts and harvests a harvesting target object via the said Karatsu shaft. Peripheral speed of the output rotary member, said and an output rotating member transmitting the power input rotary member to which power is transmitted from the engine to the threshing apparatus, the output rotating body and the input rotary member combine the power whose speed is reduced by the difference, any one claim of the threshing apparatus 1 to claim are configured to be transmitted to the side 16.

Images