JP2014014325A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To miniaturize a transmission structure and lower a center of gravity of a body in a combine harvester that includes a travelling device comprising a pair of right and left front travelling parts and a pair of right and left rear travelling parts.SOLUTION: A vehicle body frame is supported by the travelling device 2 including the pair of right and left front travelling parts 2F and the pair of right and left rear travelling parts 2R. An engine 7 is disposed on a lateral side of a right side or left side of a threshing device 4 provided on the vehicle body frame. A transmission 3 that shifts power transmitted from a side of the engine 7 and outputs the power to the front travelling parts 2F is disposed on a forward side of the threshing device 4.

Description

  The present invention relates to a combiner including a traveling device constituted by a pair of left and right front traveling units and a pair of left and right rear traveling units, and a threshing device.

As a combine equipped with a traveling device constituted by a pair of left and right front traveling units and a pair of left and right rear traveling units and a threshing device as described above, the one described in [1] below is known.
[1] A motor serving as a power source is disposed at the rear of the fuselage, a transmission for transmitting speed change power to the front wheels serving as a front traveling unit is provided at the left and right center of the front of the fuselage, and the barrel rotation axis is the fuselage. A combine in which a horizontally threshing device along the left-right direction is disposed near the front of the machine body and near the front wheel (see Patent Document 1).

JP 09-107773 (paragraphs [0006], [0007], [0008] FIGS. 1 and 2)

The combine having the structure described in Patent Document 1 above is useful in that it can exhibit good traveling performance because it includes a traveling device including a pair of left and right front wheels and a pair of left and right rear wheels. .
However, in the above structure, the motor as a power source is disposed at a relatively high position in the rear part of the machine body far away from the threshing device and the transmission, and power is transmitted from the motor to the threshing device and transmission in front of the machine body. Since it is configured to do so, there are problems such as a relatively long power transmission path and a relatively high body center of gravity.

  An object of the present invention is to achieve a compact transmission structure and a low center of gravity of a fuselage in a combine including a traveling device constituted by a pair of left and right front traveling units and a pair of left and right rear traveling units.

[Solution 1]
The technical means of the combine according to the present invention taken in order to solve the above-mentioned problem is that a body frame is supported by a traveling device having a pair of left and right front traveling parts and a pair of left and right rear traveling parts, and is provided on the body frame. An engine is disposed on the right or left lateral side of the threshing device, and a transmission that shifts the power transmitted from the engine side and outputs it to the front traveling unit is disposed on the front side of the threshing device. It is characterized by being.

[Operation and effect of invention according to Solution 1]
According to the configuration of the present invention according to the above solution 1, the engine with a large weight per volume is disposed not on the top of the fuselage but on the right side or the left side of the threshing device. It is effective in that the center of gravity of the airframe can be located low by relatively low.
And the transmission output to the front running unit is located on the front side of the threshing device and located near the front running unit, and the engine located on the lateral side of the threshing device is also used for the threshing device, It is arranged in a state where it is also located near the transmission. Therefore, the transmission path from the engine to the threshing device and the transmission can be configured as short as possible, which is advantageous in that the transmission structure for configuring the transmission path can be easily made compact.
Thereby, there exists an advantage which can attain the low center of gravity of the body of a combine provided with the traveling apparatus comprised by the left-right paired front traveling part and the left-right paired rear traveling part, and the compact transmission structure.

[Solution 2]
Another technical means of the present invention taken in order to solve the above-mentioned problem is that a radiator is disposed at a position away from the engine in the front-rear direction on the lateral side portion of the threshing apparatus.

[Operation and effect of invention according to Solution 2]
According to the configuration of the invention relating to the above solution 2, the engine is located on the lateral side of the threshing device, so that the lateral outer side is opened to facilitate maintenance from the lateral side, and the radiator is removed from the engine. By disposing at a location separated in the front-rear direction, it is possible to secure a working space for performing maintenance work from the front-rear direction for each of the engine and the radiator, making maintenance work easier. Is advantageous.

[Solution 3]
Another technical means of the present invention taken in order to solve the above-mentioned problems is that a grain tank for storing the grain is disposed above the engine.

[Operation and effect of invention according to Solution 3]
According to the configuration of the invention relating to the above solution 3, there is an advantage that the space on the vehicle body frame can be effectively used by utilizing the space above the engine as the space for disposing the glen tank.

[Solution 4]
Another technical means of the present invention taken in order to solve the above problem is that the power input section of the Glen tank is disposed above the engine.

[Operations and effects of invention according to Solution 4]
According to the configuration of the invention relating to the solving means 4, the space above the engine is used as a space for disposing the power input unit to the Glen tank, so that the power transmission path from the engine to the Glen tank is established. There is an advantage that the structure can be made short and the transmission structure can be made compact.

[Solution 5]
Another technical means of the present invention taken to solve the above-described problem is that the power of the engine is transmitted from one side where the engine is disposed on the lateral side of the threshing device to the other side of the threshing device. The countershaft is configured to transmit engine power from the countershaft to the threshing device via a power transmission unit provided on the other side of 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, the power transmission unit of the threshing device can be disposed on the lateral side opposite to the side on which the engine of the threshing device is disposed. There is an advantage that simplification of the transmission structure and ease of maintenance can be achieved by avoiding complication of the parts with various transmission systems around the engine.

[Solution 6]
The other technical means of the present invention taken in order to solve the above-mentioned problem is that the transmission is disposed between the front traveling parts, and is located in the transmission case of the transmission on the left and right sides of the transmission. A first output shaft connected to the transmission system to the front traveling unit and a second output shaft connected to the transmission system to the rear traveling unit are supported, and from the second output shaft to the rear traveling unit. That is, the drive transmission tool for transmitting power is disposed in the front-rear direction along the lateral side surface of the threshing device.

[Operations and Effects of Invention According to Solution 6]
According to the configuration of the invention relating to the solution means 6 described above, the drive transmission tool that is the power transmission path from the transmission case to the rear traveling unit is located off the lower side of the open area on the lower surface side of the threshing device, thereby threshing device. There is an advantage that it is easy to perform maintenance work and the like with the lower surface side of the door open.

It is a right view of a normal type combine. It is a right view which shows the state which removed the exterior cover of the normal type combine. It is a left view which shows the state which removed the exterior cover of the normal type combine. It is a left view which shows the state which removed the exterior cover, the fuel tank, and the belt type transmission mechanism of the normal type combine. It is a whole top view of a normal combine. It is a top view which shows the state which removed the grain tank of the normal type combine. It is a front view of a normal type combine. It is a top view which shows a vehicle body frame. It is a disassembled perspective view which shows the arrangement | positioning relationship of each apparatus with respect to a vehicle body frame. It is sectional drawing in the up-down direction in alignment with the front-back direction of a threshing apparatus. It is a side view which shows the left side board attached to the flame | frame. It is sectional drawing in the front view which shows the upper part of a threshing apparatus. It is sectional drawing in the front view which shows the attachment or detachment state of the side plate with respect to a flame | frame. It is a side view which shows the right side part of a threshing apparatus. It is a rear view which shows the attachment structure of the fuel tank and exterior cover in a left side part. It is a top view which shows the rocking | fluctuation operation state of a fuel tank. It is a rear view which shows the attachment structure of the exterior cover in a right side part. It is a perspective view which shows a threshing apparatus and a glen tank. It is a right view which shows a threshing apparatus and a lifting apparatus. It is a front view which shows a threshing apparatus and a glen tank. It is explanatory drawing which shows the operation state of a Glen tank. It is a perspective view which shows the grain discharge port part of a Glen tank. It is a side view of a transmission. It is a diagram which shows the power transmission system of a driving | running | working system. It is a diagram which shows the power transmission system of a working system. It is a right view which shows another embodiment of a normal type combine. It is a whole top view which shows another embodiment of a normal type combine. It is a partially notched side view which shows the power transmission structure to the Glen tank in another embodiment. It is sectional drawing in the up-down direction which shows another embodiment of the power transmission structure in a threshing apparatus part, and follows the front-back direction.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[Overall structure of the combine]
1 to 6 show left and right side surfaces and a general plane of a normal combine according to the present invention. Among these, FIG. 1 shows the right side, FIG. 3 shows the left side, and FIG. 5 shows the plane. 2 shows a right side surface in a state where an exterior cover 9 and a radiator 70 described later are removed, and FIG. 4 shows a left side surface in a state where the exterior cover 9 and a fuel tank 8 described later are removed. 6 shows a plane in a state where a Glen tank 5 and a lifting device 110 described later are removed. FIG. 7 shows the entire front of the ordinary combine.

As shown in these drawings, the ordinary combine according to the present invention has a pair of left and right front wheels 2F, 2F (corresponding to a front traveling portion) and a pair of left and right rear wheels 2R, 2R ( A traveling device 2 comprising a rear traveling unit) is provided.
A driving cabin 15 is provided at the front portion of the body frame 1, a threshing device 4 and a grain tank 5 are provided at the rear side thereof, a waste wall treatment device 16 is provided at the rearmost portion, and a horizontal horizontal axis with respect to the body frame 1. A self-propelled machine body is configured with a cutting processing device 17 that moves up and down around x1 at the front.
The engine 7 that transmits the driving force to the traveling device 2, the threshing device 4, the reaping processing device 17, and the like has a crankshaft (not shown) along the left-right direction of the body, and the right side of the threshing device 4. Located on the side.

Power transmitted to the front wheels 2F of the traveling device 2 via a drive shaft 20 (corresponding to a first output shaft described later) extended from the transmission 3 mounted on the front portion of the vehicle body frame 1 to the left and right. Through a speed reduction case 21 provided in a state of entering a recessed portion formed on a surface of the front wheel 2F facing toward the body side, and a front axle 2a (corresponding to an axle) supported by the speed reduction case 21 It is configured to be transmitted to the front wheel 2F.
Thus, the front wheel 2F is mounted so that the power of the engine 7 is transmitted through the drive shaft 20 and is driven to rotate around the horizontal horizontal axis x2, and has a lateral width L1 and a diameter D1. All are constituted by non-steering wheels composed of tire wheels larger than the rear wheel 2R.

  The rear wheels 2R are provided at the left and right ends of the rear wheel support frame 22 mounted at the rear portion of the vehicle body frame 1 so as to be able to swing left and right around the longitudinal axis z1. The steering wheel is provided with a rear axle 2b (corresponding to an axle) that can be steered, and rotates about a horizontal horizontal axis x3 of the rear axle 2b. The rear wheel 2R is constituted by a tire wheel having a lateral width L2 and a diameter D2 set smaller than the front wheel 2F.

As shown in FIGS. 1 and 2, an intake pipe 77 having an air cleaner 76 that sucks and supplies outside air to the engine 7 is attached to the right lateral side on the back side of the operation cabin 15 as a boarding operation unit. is there.
An exhaust pipe 78 for exhausting the exhaust from the engine 7 is attached to the right lateral side on the back side of the operation cabin 15 on the same side as the side where the intake pipe 77 is disposed, and the exhaust port 78 a is connected to the intake pipe 77. The air cleaner 76 is provided near the ceiling of the operation cabin 15 that is spaced upward from the air cleaner 76.

[Body frame]
As shown in FIG. 7 to FIG. 9, the vehicle body frame 1 includes a pair of left and right vertical frames 10A and 10A that are formed in a channel shape with an inward opening and a front end of the vertical frames 10A and 10A. The main frame 10 is formed in a rectangular frame shape in plan view, with a pipe-shaped front horizontal frame 10B connecting the sides and a pipe-shaped rear horizontal frame 10C connecting the rear ends of the vertical frames 10A and 10A. Yes.
Although not shown in the figure, the pair of left and right vertical frames 10A and 10A that are long in the front-rear direction has hydraulic pipes, fuel pipes, conductive harnesses, and the like arranged in the front-rear direction in the internal space of the channel-shaped cross section. is there.

The left and right vertical frames 10A and 10A in the main frame 10 have front support frame portions 10a welded and fixed to the front end sides thereof, and the front horizontal frame 10B connects the front support frame portions 10a to each other. Is provided.
The left and right ends of the front horizontal frame 10B extend laterally outward through the left and right vertical frames 10A, 10A, and the speed reduction case 21 is bolted to the outer end flange. A drive shaft 20 extending from the transmission 3 is introduced into the deceleration case 21, and the power of the engine 7 is transmitted from the front axle 2a to the front wheels 2F via the transmission 3 and the deceleration case 21.
Rear support frame portions 10b are fixed to the rear ends of the left and right vertical frames 10A and 10A by welding, respectively, and the rear horizontal frame 10C is provided so as to connect the rear support frame portions 10b to each other. Thereafter, a rear wheel support frame 22 is mounted on a bracket 10c provided at an intermediate position in the left-right direction of the horizontal frame 10C so as to be swingable up and down around the longitudinal axis z1.

  Further, the left and right front support frame portions 10a are provided at lower positions on the rear side away from the pipe-like front horizontal frame 10B connecting the front end sides thereof, as shown in FIGS. A rectangular pipe-shaped connecting frame 10D is installed so as to connect the left and right front support frame portions 10a through the side, and the transmission 3 against an obstacle that may contact the connecting frame 10D from below. It is also useful as a means to protect.

A grid-like mounting frame 11 for mounting the threshing device 4 and the engine 7 is provided on the upper side of the main frame 10, and is supported by the grid-like mounting frame 11 to support the Glen tank 5. The support leg 12 and the cabin support leg 13 for supporting the operation cabin 15 are provided upright. A ladder-like tank mounting table 14 for mounting the fuel tank 8 is installed on the lateral outer side of the left vertical frame 10A among the left and right vertical frames 10A, 10A.
The tank mounting table 14 is a pair of vertically long supports that are extended over two extending brackets 14a (corresponding to support arms) extending from the laterally outer surface of the left vertical frame 10A to the laterally outward direction. The members 14b and 14b and a connecting member 14c connected in the left-right direction at a plurality of front and rear positions of the pair of vertically long supporting members 14b and 14b are formed in a ladder shape in plan view.

The grid-like mounting frame 11 includes horizontal grid frames 11a, 11b, and 11c disposed above the vertical frames 10A and 10A so as to cross the left and right vertical frames 10A and 10A in the main frame 10, and the horizontal grid frame. 11a, 11b, 11c and vertical lattice frames 11d, 11e located on the same plane are configured in a lattice shape.
As shown in FIG. 8, among the pair of left and right vertical lattice frames 11d and 11e, the left vertical lattice frame 11d is located along the outside of the left vertical frame 10A, and the right vertical lattice frame 11e is the left and right vertical lattice frames 11e. It is located between the frames 10A and 10A on the side close to the right vertical frame 10A.
The left and right vertical lattice frames 11d and 11e arranged in this way are positioned below the left and right lateral edges of the threshing device 4 so as to support the threshing device 4 stably.

The grid-like mounting frame 11 is formed such that the right end portions of the horizontal grid frames 11a, 11b, and 11c protrude laterally outward from the vertical frame 10A on the right side, and the horizontal grid frame 11a on the front end side. A mounting seat 11f of the engine 7 is provided on the extension portion protruding laterally outward and the extension portion of the horizontal lattice frame 11b at the intermediate position.
As a result, as shown in phantom lines in FIG. 8, the engine 7 can be supported in a state where most of the engine 7 protrudes laterally outward from the right vertical frame 10 </ b> A. At this time, the lateral outer end position of the engine 7 is located at the same position as the lateral outer edge of the front wheel 2F and the lateral outer end of the grid-like mounting frame 11, or slightly closer to the inward side of the body, That is, they are provided at substantially the same position.

The horizontal lattice frame 11a on the front end side of the lattice-shaped mounting frame 11 is formed so that its left end also protrudes laterally outward from the left vertical frame 10A. As shown in FIGS. 8 and 9, the horizontal lattice frame 11a has an extended portion that protrudes laterally outward from the vertical frame 10A and a bracket 14a that extends from the vertical frame 10A to the left lateral outward. The left end of the horizontal lattice frame 11a and the left end of the bracket 14a are welded and joined to the lower end of the arc-shaped leg 13d on the left side of the cabin support leg 13 described later. The cabin support leg portion 13 is configured to support the left end portion.
Further, the horizontal lattice frame 11a on the front end side is welded to the lower end portion of the arcuate leg 13d on the right side of the cabin support leg portion 13 so that the right end portion of the cabin support leg portion 13 is supported also on the right end portion thereof. Has been.

Extending laterally outward from the vertical frame 10A on the right side and extending toward the laterally outward side of the vertical frame 10A on the right side on the rear side of the horizontal lattice frame 11b at the intermediate position and the extended portion of the horizontal grid frame 11c on the rear end side. The support brackets 12a and 12a are formed in a protruding manner.
The support brackets 12a, 12a, the support legs 12b erected above the support brackets 12a, 12a, and the support legs 12c erected from the brackets 12d on the arc-shaped legs 13d of the cabin support leg 13 described later. A support frame 12e for supporting the glen tank 5 by the vehicle body frame 1 is constituted by the receiving frame 12e supported by the vehicle body. The support leg 12 is connected and fixed to the lateral wall 4a of the threshing device 4 via a stay (not shown) near the upper end of the support leg 12b on the rear end side.

  As shown in FIGS. 6, 8, and 9, the cabin support leg 13 for supporting the operation cabin 15 includes a front support frame portion 10 a provided on the front end side of the left and right vertical frames 10 </ b> A, 10 </ b> A. A plurality of straight rod-like legs 13a, 13b, 13c erected on the upper surface side of 10a, and an arcuate curve from the outer end of the horizontal lattice frame 11a on the outer peripheral rear side of the front wheel 2F toward the upper outer periphery of the front wheel 2F Arc-shaped legs 13d and the upper ends of the straight legs 13a, 13b, 13c and the arc-shaped legs 13d are connected by a rectangular base frame 13e.

Out of the straight leg 13a, 13b, 13c, the front and rear straight legs 13a, 13c are arranged in a forward leaning position in front of the upper end side, and the intermediate straight leg 13b is arranged in an upright position. By doing so, it is disposed so as to connect the lower end portion of the front straight leg 13a and the upper end portion of the rear straight leg 13c, and as a whole, it has a rigid structure similar to the truss structure. .
The cabin support leg 13 configured in this manner is provided symmetrically on the front end side of the left and right vertical frames 10A, 10A, so that the front portion of the driving cabin 15 projects forward from the front end of the main frame 10. It is configured to be supported in a state.

  The driving cabin 15, the harvesting processing device 17, the threshing device 4, the grain tank 5, the engine 7, the transmission 3, the fuel tank 8, and the like are arranged as follows on the vehicle body frame 1 configured as described above. ing.

[Driving cabin]
That is, as shown in FIGS. 1 to 7, the driving cabin 15 is mounted and installed on the upper side of the cabin support leg 13 and is positioned higher than the upper edge of the outer diameter of the front wheel 2F. It arrange | positions so that it may be located ahead rather than the rear edge.
Further, in the left-right direction, as shown in FIGS. 5 and 6, slightly to the left of the center line CL in the left-right direction corresponding to the center of the left and right front wheels 2F, 2F (in the front view of FIG. It is arranged near the right side.

A steering handle 15a for steering operation and the like is provided in the driving cabin 15, 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, and a parking brake pedal and a speed change operating tool, which will be described later, are also provided. .

  In addition, the code | symbol 15b shown in FIG. 7 is a work lamp, and is provided so that the harvesting work location by the cutting processing apparatus 17 may be irradiated from the upper part of the driving | running | working cabin 15. FIG. Reference numeral 15 c is a headlamp provided to irradiate the front from the lower part of the driving cabin 15.

[Reaping processing device]
As shown in FIGS. 1 to 6, a cutting processing device 17 that moves up and down around the horizontal horizontal axis x1 on the front side of the threshing device 4 mounted on the vehicle body frame 1 is provided.
This cutting processing device 17 includes a feeder 17A that supplies crops such as stalks that have been harvested to the threshing device 40, a scraping reel 17B that scrapes the crop tips such as planted 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 of the barrel 40 in the threshing device 4, and the scraping reel 17B, the reaping device 17C, and the lateral feed are accompanied by the raising and lowering operation of the feeder 17A portion. The auger 17D is also configured to be able to move up and down.

And this feeder 17A is arrange | positioned in the state biased to the same left side as the side where the threshing apparatus 4 biased with respect to the centerline CL in the left-right direction of a body, and as shown in FIG. A space s3 wider than the space between the left side edge of the feeder 17A and the left front wheel 2F is formed between the right side edge of 17A and the inner side surface of the right front wheel 2F.
The wide space s3 is surrounded by the right side edge of the feeder 17A, the inner side surface of the right front wheel 2F, the front cutting process device 17, and the rear transmission case 30, and the front, rear, left and right. The size is set to such a size that an operator can enter the space s3 and perform maintenance work on the transmission 3, the feeder 17A, the cutting processing device 17, and the like. At this time, if the feeder 17A is lifted, a space is also formed on the lower side of the feeder 17A and it is possible to sink into the lower side of the feeder 17A, so that it becomes easier to work.

[Threshing equipment]
As described above, the threshing device 4 has the left and right lateral sides of the threshing device 4 with respect to the grid-like mounting frame 11 disposed on the main frame 10 of the vehicle body frame 1 as shown in FIGS. The edges are arranged along the left and right vertical lattice frames 11d and 11e. As a result, the threshing device 4 is disposed in a state in which the threshing device 4 is positioned within the interval width between the left and right front wheels 2F and the rear wheel 2R in the left-right direction.
At this time, the front side of the left lateral edge of the threshing device 4 protrudes laterally outward from the vertical frame 10A on the left side of the main frame 10 and is in a state of close proximity to the inner side end of the front wheel 2F in the left-right direction. However, on the rear side, the maximum steering range of the rear wheel 2R (the maximum right steering position and the maximum left steering position of the rear wheel 2R are shown in phantom lines in FIG. 8). It arrange | positions so that it may be located inward in the left-right direction.

In the threshing device 4 arranged in this way, the barrel rotation axis p1 that is the center line in the left and right direction of the entire threshing device 4 is on the left side with respect to the center line CL in the left and right direction of the machine body. It is arranged in a biased state. That is, the center line in the left-right direction of the threshing device 4 is present at the same position as the front and rear barrel rotation axis p1 of the barrel 40 disposed inside.
Moreover, since the lower surface of the threshing device 4 is mounted on the grid-shaped mounting frame 11 as described above, as shown in FIGS. 1 to 4, it is more than the front axle 2a of the front wheel 2F that is a non-steering wheel. It is slightly lower and is located slightly higher than the rear axle 2b of the rear wheel 2R that is the steering wheel. 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 itself includes a handling cylinder 40 having a front and rear handling cylinder rotation axis p1 in the upper handling chamber 4A, and a lower sorting chamber 4B provided with a red pepper 45 and a swing sorting mechanism 46. The all-in-one type. The cereals such as cereal grains supplied from the cutting processing device 17 side to the handling room 4A through the feeder 17A provided at the front part are threshed, and the processing object to be sorted is sorted in the sorting room 4B. The grains are fed into the glen tank 5, and the waste straw is configured to be fed into a waste straw treatment device 16 provided at the rear.

As shown in FIG. 10, in the sorting unit 4B, a swing sorting mechanism 46 that supplies crops such as grains and straw scraps that have leaked from a receiving net 41 that covers the handling barrel 40 from below as a processed product to be sorted. In addition, a tang 45 that supplies the sorting air to the processed material being sorted by the swing sorting mechanism 46 is provided in front of and below the swing sorting mechanism 46.
Below the swing sorting mechanism 46, a first recovery unit 47 that collects the single-grained grains leaked from the front side of the swing sorting mechanism 46 as the first thing is arranged on the front side, and swings. A second collection unit 48 is provided on the rear side to collect grains with branch branches or bifurcated grains that have leaked from the rear side of the sorting mechanism 46 as a second product.

The first recovery unit 47 is provided with a first screw 47a for transporting the recovered first item toward the lifting device 110 that sends it to the Glen tank 5, and is present on the right side of the threshing device 4. It is arranged in the left-right direction so as to convey the most object to the right side toward the entrance of the apparatus 110.
In the second recovery section 48, a second screw 48a that conveys the recovered second thing to a second reduction device 49 provided at the right end of the threshing device 4 is provided in the left-right direction, and the recovered second thing is pumped up. Then, it is configured to return to the swing sorting mechanism 46.

  The threshing device 4 is configured such that power from the engine 7 is supplied via a first belt-type transmission mechanism 100 (corresponding to a belt-type transmission mechanism). The first belt type transmission mechanism 100 is provided along the left side wall 4a on the left side of the threshing device 4 as shown in FIG. 16, and the lateral outside is shielded by the fuel tank 8 as shown in FIG. It has been. Although not described in detail, the power transmitted from the engine 7 is transmitted by the first belt type transmission mechanism 100 to each device in the sorting chamber 4B (the Kara 45, the first screw 47a, the second screw 48a, the eccentric cam type). The power is transmitted to the swing sorting mechanism 46 and the like.

The feeder 17A 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 machine body as in the case 40, and as shown in FIG. 8, the center in the left-right direction of the machine body The transmission 3 that is biased to the right with respect to the line CL 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.

As shown in FIG. 12, the threshing device 4 includes a frame 42 formed in a substantially rectangular parallelepiped shape whose outer edge is long in the longitudinal direction of the machine body, and fixes the frame 42 to the vehicle body frame 1. Side plates 43 are attached to the front, rear, left and right to constitute the left and right lateral side walls 4a, front wall 4c, and rear wall (not shown). A top plate 4b is provided on the upper portion of the frame 42, the lower surface side of the frame 42 is covered with a bottom plate (not shown), and the entire threshing device 4 is formed in a rectangular box shape.
The top plate 4b is attached on the upper side of the frame 42 so as to be able to swing open and close around the swing axis Z5 in the front-rear direction, and an opening and a cover plate (not shown) are attached to the bottom plate covering the lower surface side of the frame 42. Thus, the inside of the threshing device 4 can be inspected by removing the cover plate.

As shown in FIG. 10, the threshing device 4 configured as described above constitutes a handling chamber 4 </ b> A in which the upper side houses the handling cylinder 40, and the lower side sorts the sorting chamber 4 </ b> B in which the Kara 45 and the swing sorting device 46 are built. Is configured.
Then, in the left side wall 4a portion at the position corresponding to the intermediate position between the handling chamber 4A and the sorting chamber 4B, an intermediate beam member 42b extending in the front-rear direction is installed with its front and rear ends fixed to the frame 42. A side plate 43 positioned between the intermediate bar member 42b and the upper frame 42a of the frame 42 is detachably attached as shown in FIGS. That is, the frame 42, the intermediate crosspiece member 42 a, and the side plate 43 constitute a lateral side wall 4 a on the left side (the right side of the page in FIGS. 12 and 13).

  As shown in FIG. 11, the detachable side plate 43 includes a front side plate 43 a and a rear side plate 43 b that are divided into two in the longitudinal direction of the body, and each has a substantially rectangular shape that is long in the longitudinal direction of the body in a side view. Is formed. The front side plate 43a and the rear side plate 43b are formed in the same dimensions and in the same shape, and have a compatible structure so that the front and rear positions can be interchanged.

Moreover, the front side plate 43a and the rear side plate 43b are integrally formed with peripheral ribs 43c projecting laterally outward with respect to the wall surface of the lateral side wall 4a on the periphery of each of the front side plate 43a and the rear side plate 43b. In addition, a stop pin 43d extending downward in a state of penetrating the outer peripheral rib 43c is welded and fixed at two positions on the front and rear sides of the outer peripheral rib 43c portion on the lower side.
The stop pin 43d is engaged with an engagement hole (not shown) formed on the upper surface side of the intermediate crosspiece member 42b formed in a cross-sectional channel shape, and the horizontal position of the front side plate 43a and the rear side plate 43b. Is for positioning.

  Through holes (not shown) penetrating the front side plate 43a and the rear side plate 43b in a direction perpendicular to the plate surface are formed at two positions on the front and rear sides of the front side plate 43a and the rear side plate 43b. This through hole is for inserting a connecting bolt 44a as a fixing mechanism 44, and corresponds to a female screw portion 44b as a fixing mechanism 44 provided in a connecting bracket 42c provided on the lower side of the upper frame 42a. It is provided as follows. Therefore, the front plate 43a and the rear plate 43b are fixed to the frame 42 by screwing the connecting bolt 44a inserted into the through hole into the female screw portion 44b, and the connecting bolt 44a to the female screw portion 44b is fixed. By releasing the screwing, the front plate 43a and the rear plate 43b can be fixed to the frame 42.

The attachment and detachment of the front side plate 43a and the rear side plate 43b is performed for inspection inside the handling chamber 4A, replacement of the receiving net 41, and maintenance inspection.
As shown in FIGS. 12 and 13, the receiving net 41 is formed in a partial arc shape along the outer periphery of the lower half side of the handling cylinder 40 when viewed in the front-rear direction along the axis p1 of the handling cylinder input shaft 40a. ing.
The receiving network 41 is divided into a left receiving network 41L and a right receiving network 41R in the left-right direction of the machine body, and the left receiving network 41L and the right receiving network 41R are divided into two parts in the front-rear direction. It is divided into four parts.

The receiving net 41 is located at the middle position in the left-right direction on the front-rear mounting frame 42d existing at the left-right intermediate position between the left receiving net 41L and the right receiving net 41R, that is, the right end of the left receiving net 41L (in the drawings of FIGS. The left end) and the left end of the right receiving net 41R (the right end in FIGS. 12 and 13) are connected to the front and rear mounting frames 42d via connecting bolts 41a, respectively. ing.
Further, the left end of the left receiving net 41L (the right end in FIGS. 12 and 13) is attached to and detached from the lower end of the left fixing plate 42L integrally attached to the upper frame 42a by using a retaining bolt 41c. The right end of the right receiving net 41R (the left end in FIGS. 12 and 13) is connected to the lower end of the right fixing plate 42R integrally attached to the upper frame 42a. Is pinned.

Therefore, when maintenance inspection such as replacement of the receiving net 41 is necessary, as shown in FIG. 13, the connecting bolt 44a is loosened to remove the front side plate 43a and the rear side plate 43b from the frame 42, thereby connecting the interior of the handling chamber 4A. The left receiving net 41L and the right receiving net 41R can be taken out of the handling chamber 4A by loosening the bolt 41a and the set bolt 41c.
The side plates 43 other than the left side plate 43 of the handling chamber 4A, that is, the left side plate 43 of the sorting chamber 4B, and the right side plate 43 of the handling chamber 4A and the sorting chamber 4B are as follows. These are fixedly connected to the frame 42 and are not provided with a structure for easily attaching and detaching at the time of maintenance and inspection.

  Reference numeral 4e shown in the drawings of FIGS. 11 and 12 is an operation handle for fixing and unfixing the end of the top plate 4b opposite to the side where the swing axis z5 is present to the frame 42. And provided at a plurality of front and rear positions along the longitudinal direction of the upper frame 42a on the left side of the frame 42 (the right side in the drawings of FIGS. 12 and 13).

〔engine〕
As shown in FIGS. 6 to 8, 14 and 17, the engine 7 includes an extended portion protruding laterally outward of the horizontal lattice frame 11a on the front end side of the lattice-shaped mounting frame 11, and a horizontal position at the intermediate position. It is disposed on a mounting seat 11f provided on an extension of the lattice frame 11b. As a result, the engine 7 is located on the right lateral outer side opposite to the side on which the threshing device 4 is biased, on the rear side of the right front wheel 2F, and laterally outward of the vertical frame 10A on the right side of the support leg 12. Of the front and rear support legs 12b and 12b that are erected from the support brackets 12a and 12a that are formed to protrude toward the front, the front support legs 12b are positioned on the front side.

The lateral outer end position of the engine 7 is provided substantially at the same position as the lateral outer edge of the front wheel 2F when viewed in the front-rear direction, or slightly closer to the inward side of the body.
Further, the engine 7 has a position of the outer end in the left-right direction at the same position as the lateral outer end of the grid-like mounting frame 11 that is a part of the body frame 1 or slightly closer to the inward side of the body. It is provided so as to be positioned, that is, at substantially the same position.

Since the lower surface of the engine 7 is mounted on the grid-shaped mounting frame 11 as described above, as shown in FIGS. 7 and 8, the engine 7 is slightly lower than the front axle 2a of the front wheel 2F which is a non-steering wheel. The rear wheel 2R, which is a steering wheel, is positioned slightly higher than the rear axle 2b. 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 upper end of the engine is disposed so as to be slightly lower than or equal to the upper end of the outer peripheral edge of the front wheel 2F.

The engine 7 is located between the front axle 2a and the rear axle 2b in a side view, and is disposed on the side close to the front axle 2a in the front-rear direction. As a result, a space part s1 corresponding to the front-rear distance between the front and rear support legs 12b, 12b is formed on the rear side of the engine 7, as shown in FIG. Thus, maintenance of the engine 7 can be performed. That is, the space portion s1 can be used as a work space.
Further, the laterally outward side of the engine 7 is opened to the outside when the exterior cover 9 is removed, so that maintenance work from the laterally outward side can be easily performed.
Since the upper space s2 exists between the upper side of the engine 7 and the bottom 50 of the Glen tank 5 placed on the upper side of the support leg portion 12, the upper space s2 is used for the upper side. It is also possible to perform maintenance from.

[Radiator]
A radiator 70 for cooling the engine is disposed on the rear side of the engine 7.
As shown in FIGS. 1 and 8, the radiator 70 is located at a position on the rear side of the body of the engine 7, and is disposed so as to overlap the engine 7 in the left-right direction when viewed from the front. Specifically, it is the right side of the machine body on the rear side of the threshing device 4 (corresponding to the left side of the machine body in the front view), and is a place lower than the Glen tank 5 in the vertical direction, but on the body frame 1 It is deployed at a relatively high position.

  That is, as shown in FIGS. 8, 9, and 14, the radiator 70 includes four support legs 12 b that are erected from the body frame 1 at a plurality of upper and lower positions on the front side. It is connected and fixed to support legs 12b located on the rear side of the machine body and on the laterally outer side of the machine body. Further, the rear portion of the radiator 70 is supported by a curved support member 19 extending so as to be curved upward and outward from the rear end portion of the right vertical frame 10A.

  The radiator 70 includes a suction-type cooling fan 71 that rotates about an axis along the lateral direction of the machine body, and is configured to cool the radiator main body 72 with cooling air sucked by the cooling fan 71. A dust removing filter 73 for removing dust contained in the air is provided at a location where the cooling air of the lateral outer surface of the side is sucked.

The dust removal filter 73 is rotatably provided around the same axis as the rotation axis of the cooling fan 71, and adheres to the surface of the dust removal filter 73 using the suction force of the cooling fan 71 on the side surface outside the machine body. An air intake duct 74 that sucks dust and exhausts it from an exhaust unit (not shown) is provided.
By configuring in this way, it is easy to avoid the clogging of the dust removal filter 73 of the radiator 70 at an early stage even in a use environment where a lot of fine dust is present in the air.

  The radiator 70 is disposed with a space in the front-rear direction between the radiator 7 and the front and rear so that a space portion s1 serving as a work space for maintenance is formed between the engine 7 and the radiator 70. Of the support legs 12b, 12b, the support leg 12b is provided behind the support leg 12b on the rear side, and the space s1 is secured on the front side of the radiator 70.

A transmission mechanism 75 that supplies the power of the engine 7 to the radiator 70 is provided so as to bypass the space portion s1.
That is, as shown in FIG. 14, an output pulley 7 d for output is attached to the output shaft 7 a of the engine 7. The first transmission belt 75a is wound around the output pulley 7d and the first relay pulley 7e attached to the first relay shaft 7b provided on the upper front side of the space s1.
From the first relay shaft 7b to the second relay shaft 7c provided on the rear upper part of the space s1, the first relay pulley 7e and the second relay pulley 7f attached to the second relay shaft 7c are wound. The power is transmitted by the second transmission belt 75b.

  Rotational power is transmitted from the second relay pulley 7f of the second relay shaft 7c to the dust removal filter 73 having a large-diameter pulley portion on the outer peripheral portion by the third transmission belt 75c for deceleration, and the dust removal filter 73 is cooled by a cooling fan. It is configured to rotate at a lower speed than the rotation of 71. Further, the rotational power is transmitted from the second relay shaft 7c to the drive shaft 71a of the cooling fan 71 by the speed increasing fourth transmission belt 75d so that the cooling fan 71 rotates at high speed.

  Thus, the transmission mechanism 75 including the first to fourth transmission belts 75a, 75b, 75c, and 75d is configured to supply the power of the engine 7 to the radiator 70. The transmission mechanism 75 is a working space. In order to bypass s1, it is disposed on the upper side of the engine 7 along the bottom surface of the Glen tank 5 toward the rear side.

[Fuel tank]
Next, a support structure for the fuel tank 8 will be described.
As shown in FIGS. 6, 8, 9, 15, and 16, the fuel tank 8 includes a tank main body 80 as a container for storing fuel, and the rear half and the rear lower half of the left and right lateral surfaces 80 a. It is integrally connected to a surrounding protective frame 81 having a triangular shape in side view. Thus, the fuel tank 8 provided with the protective frame 81 is disposed on the left outer side of the machine body rather than the first belt-type transmission mechanism 100 provided along the left lateral wall 4a of the threshing device 4.
The fuel tank 8 is formed in a large size so that its front-rear width is substantially the same as the front-rear width of the threshing device 4, and has a vertical width corresponding to the vertical height of the sorting chamber 4B of the threshing device 4. The outer side of the first belt type transmission mechanism 100 is covered with the outer left side of the sorting chamber 4B with the left outer side of the handling chamber 4A open. Further, the fuel tank 8 is formed so that its vertical width is larger than the horizontal width, and is configured in a vertically long shape when viewed from the front-rear direction of the machine body.

The fuel tank 8 has a tank body 80 and a protective frame 81 mounted on a ladder-like tank mounting table 14 projecting outward from the left side of the left vertical frame 10A. A fixed position (posture shown by phantom lines in FIGS. 15 and 16) along the longitudinal direction of the machine body along the left side wall 4a and the side surface 80a is separated from the side wall 4a of the threshing device 4. The position is freely changed by swinging around the swing axis y2 in the vertical direction to an open position (posture indicated by a solid line in FIGS. 15 and 16) that swings to the side.
When the fuel tank 8 is located at the fixed position, the fuel tank 8 covers the outside of the first belt-type transmission mechanism 100 outside the left side of the sorting chamber 4B, and when the fuel tank 8 is operated to the open position, Maintenance of various devices existing on the side wall 4a of the 1-belt transmission mechanism 100 and the threshing device 4 is facilitated in a wide space.

The tank mounting table 14 includes a pair of vertically long support members 14b connected across two extended brackets 14a (corresponding to support arms) extending laterally outward from the lateral outer surface of the left vertical frame 10A. 14b and a connecting member 14c spanned in the left-right direction at a plurality of front and rear positions of the pair of vertically long supporting members 14b, 14b, are formed in a ladder shape in plan view.
As shown in FIG. 15, the upper surface of the tank mounting table 14 has two extending brackets 14 a extending from the lateral outer surface of the vertical frame 10 </ b> A on the left side of the body frame 1 to the lateral outer side, and a connecting member. The upper surface of 14c is provided at a position lower by a predetermined amount than the upper surface of the vertical frame 10A. Accordingly, the upper surface of the tank mounting table 14 is set lower than the upper surfaces of the vertical frame 10A and the grid-shaped mounting frame 11, but the lower surface thereof is set equal to or higher than the lower surface of the vertical frame 10A. ing.

The swing axis y2 in the vertical direction is laterally extended from the rear end of the extension bracket 14a on the rear side of the tank mounting table 14 and from the rear end of the left side wall 4a on the left side of the threshing device 4. Support shafts 14e and 14e having the same vertical axis projecting upward are provided in a fixed state near the extension end of a support arm 14d (corresponding to a support arm) extending outwardly to the side. Consists of.
With respect to the support shafts 14e and 14e having the same vertical axis, the pivot shafts 14e and 14e are engaged with a pair of upper and lower support brackets 82 and 82 provided at the rear end portion of the protective frame 81. A support hole is formed, and the pivot support holes of the pivot brackets 82 and 82 are fitted to the support shafts 14e and 14e from above to be supported so as to be swingable around the vertical swing axis y2. Further, the fuel tank 8 is configured to be mounted on the tank mounting table 14.

The bottom surface of the fuel tank 8 is configured to be received and supported by the connecting member 14c described above. Of the plurality of connecting members 14c, the connecting member 14c on the rear end side near the swing axis y2 is the swing shaft. It is provided in an inclined state so as to be along the circumferential direction centered on the center y2. By adopting a structure in which the plurality of connecting members 14c are supported in this manner, the sliding resistance when the fuel tank 8 rotates around the swing axis y2 is minimized.
The pivot support brackets 82 and 82 having pivot support holes that engage with the swing axis y2 are provided on the rear end side of the protective frame 81 and on the laterally outer end. Therefore, as shown in FIG. 16, when the fuel tank 8 is moved to the open position, the fuel tank 8 can be largely opened so that the entire fuel tank 8 is located outside the swing axis y2.

  As shown in FIGS. 9 and 15, an elastic engagement type locking device 83 that can hold the fuel tank 8 in the fixed position while the fuel tank 8 is swung to the fixed position is a protective frame 81 of the fuel tank 8. Is provided at the lower part of the middle part in the front-rear direction. The locking device 83 is configured to be engaged with a locking hole 14f provided in the tank mounting table 14 by a biasing force of a spring and prevent the fuel tank 8 from moving outward. . The fuel tank 8 can be switched to the outward open position by manually lifting the lock 83 against the biasing force of the spring to release the lock.

Since the tank mounting table 14 is provided at a position lower by a predetermined amount than the main frame 10 having a pair of left and right vertical frames 10A, 10A, the fuel tank 8 is at a lower position, so that a predetermined storage amount is obtained. While having such a vertical height, the position of the fuel tank 8 is lowered and the operation of supplying fuel from the fuel supply port 84 provided in the upper part of the fuel tank 8 can be easily performed.
Further, since the tank mounting table 14 is provided in a state of being positioned between the left front wheel 2F and the left rear wheel 2R, the fuel tank 8 has a front-rear intermediate position between the left front wheel 2F and the left rear wheel 2R. It will be deployed using the space located in.

[Exterior cover]
Next, the exterior cover 9 will be described.
As shown in FIGS. 1 and 3, the exterior cover 9 that covers the lateral side away from the lateral side walls 4 a on both the left and right sides of the threshing device 4 extends in the vertical direction so as to cover substantially the entire width of the threshing device 4 in the vertical width direction. It is provided in a long extending state. That is, the exterior cover 9 is provided in a state extending long in the vertical direction so as to cover the lateral side portions outside the handling chamber 4A and the lateral side portions outside the sorting chamber 4B in the threshing device 4. Moreover, the exterior cover 9 is provided in a state extending in the front-rear direction over the entire width of the threshing device 4 in the longitudinal direction of the machine body. It is configured to be able to swing open and close around.

Hereinafter, the support structure of the exterior cover 9 on both the left and right sides will be specifically described.
As shown in FIGS. 15 and 17, the right exterior cover 9R of the left and right exterior covers 9 is provided on the right outside of the engine 7 and the radiator 70. It is configured to be swingable and openable around the moving fulcrum z2.
That is, as shown in FIG. 17, the exterior cover 9 </ b> R is attached to the support portion 91 provided in a fixed state at two positions on the right outer side of the support leg portion 12 provided to place and support the Glen tank 5. The attached bracket 90d is pivotally connected so as to be swingable around a swing fulcrum z2 along the longitudinal direction of the machine body.

  As shown in FIG. 15, the left exterior cover 9L of the left and right exterior covers 9 is provided in a state of being located on the left outer side of the fuel tank 8 and around the upper pivot fulcrum z3. It is configured to be swingable and openable. That is, the support arm 4d is fixedly extended from the left side wall 4a on the left side of the threshing device 4 toward the left outer side, and the bracket 90d attached to the exterior cover 9L is attached to the support bracket provided at the tip of the support arm 4d. Are pivotally connected so as to freely swing around the swing support point z3. Further, the support arm 4d is provided at two locations separated in the front-rear direction. Therefore, the exterior cover 9L is supported so as to be swingable at two positions away from each other with respect to the support arm 4d.

As shown in FIGS. 1 and 2, the outer cover 9 on both the left and right sides has a front wheel cutout portion 96 for removing contact with the front wheel 1 and a rear wheel cutout portion for removing contact with the rear wheel 2. A portion 97 is formed.
The front wheel notch 96 is formed in an arc shape along the outer periphery of the front wheel 1 in the state of being close to the outer periphery of the front wheel 1.
On the front side of the self-propelled machine body, the crops are transferred between the reaping processing device 17 and the threshing device 4, and the drive mechanism such as the engine 7 and the transmission 3 is also provided. In order to reduce the number of locations and prevent other objects from entering from the outside or to prevent dust generated from the location where the crop is delivered from being scattered outside, the front wheel notch 96 is located as close to the outer periphery of the front wheel as possible. It has a small shape that fits along.

  On the other hand, the rear wheel cutout 97 has a shape that is largely cut away so as to open the rear lower side of the lateral side portion of the self-propelled aircraft. On the rear side of the self-propelled aircraft, it is not necessary to reduce the number of places that are opened outward unlike the front side, and the overall exterior cover 9 can be reduced in size and weight by having a large notched shape. I have to.

  Then, on the left side of the self-propelled aircraft, as shown in FIG. 2, the fuel provided in the lateral portion of the threshing device 4 opened through the rear wheel notch 97 between the outer cover 9 and the threshing device 4. The tank 8 is configured to cover. By configuring in this way, the first belt type transmission mechanism 100 is not exposed to the outside, and other disadvantages such as intrusion of other objects from the outside and damage to the first belt type transmission mechanism 100 are avoided. It becomes easy to do.

  Further, on the right side of the self-propelled aircraft, the radiator 70 is configured to suck engine cooling air from the outside through the rear wheel cutout 97. That is, the notch 97 for the rear wheel also serves as an opening that allows the radiator 70 to be sucked.

  As shown in FIG. 1, FIG. 3, FIG. 15, and FIG. 17, the exterior covers 9 (9R, 9L) on both the left and right sides are each provided with a grip portion 98 for opening and closing operation, and the operator holds this grip. By manually operating the portion 98, the exterior cover 9 can be opened and closed by swinging around the upper swing fulcrum (z2, z3).

  The left and right exterior covers 9R and 9L are each provided with a holding tool 99 that can be switched between a holding state in which the position can be held in a closed state and a release state in which an opening operation is allowed. The holding tool 99 can be held in a position in a state where the exterior cover 9 is closed by being locked to a locking tool 95 provided in the fixing portion of the self-propelled machine body. By releasing, it can be switched to a state that allows the opening operation of the outer cover 9 to be permitted.

  The body-side locking tool 95 for the left exterior cover 9L is provided in a fuel tank 8 as an example of a fixing portion. That is, as shown in FIGS. 3 and 15, the diagonal material 81 a of the protective frame 81 made of an angle material is fixed to the side surface of the fuel tank 8 along the oblique direction. And the latching tool 95 is provided in the middle part of this diagonal material 81a via the bracket 81b.

  As shown in FIG. 17, the body-side locking tool 95 for the right exterior cover 9R is provided on a fixing member 94 that is fixedly extended from a support leg 12b as an example of a fixing portion.

  The outer cover 9 (9R, 9L) on both the left and right sides respectively has a position holding state in which the outer cover 9 is held in a state of being switched to an open posture along a substantially horizontal direction, and the position holding is released to release the outer cover 9. Is provided with a position holding mechanism 90 that is switchable to a holding release state that allows switching to a closed posture that is substantially vertical.

  The position holding mechanisms 90 on both the left and right sides allow the exterior cover 9 to be switched to a closed state by bending a pair of link members 90a and 90b that are flexibly connected by an intermediate pivot 90c in a predetermined direction. In addition, the outer cover 9 is configured to be held in a predetermined open position by restricting the pair of link members 90a and 90b from being bent in a direction opposite to the predetermined direction in a substantially linear posture. Yes.

In other words, as shown in FIG. 15, the position holding mechanism 90 for the left exterior cover 9L is such that one of the side ends of the pair of link members 90a and 90b is located in the middle of the left exterior cover 9L. The other is pivotally connected to a connecting portion 92 provided on the left lateral wall 4a of the threshing device 4.
The pair of link members 90a and 90b is provided on the lower side with the fuel tank 8 so that the pair of link members 90a and 90b can be bent upward at an intermediate pivot 90c. It is comprised so that the downward bending may be controlled with the posture which continues in a line. That is, one link member 90a constituted by the channel material is extended so as to extend toward the other side beyond the pivotal support portion 90c which is a pivotal connection point, and the extended part is the other side. It is configured to contact the link member 90b and to bend downward.

  In the position holding mechanism 90 for the right exterior cover 9R, one of both end portions of the pair of link members 90a and 90b is connected to a middle portion of the left exterior cover 9R, and the other is an upper and lower middle portion of the support leg 12b. It is pivotally connected to a connecting portion 93 provided in. And, like the position holding mechanism 90 on the left side, it is formed to extend so as to extend toward the other side beyond the pivotal support part 90c which is the pivotal connection part of the one link member 90a constituted by the channel material. However, as shown in FIG. 17, since there is a transmission mechanism 75 for the radiator 70 on the upper side as shown in FIG. 17, it is configured to be able to bend downward at an intermediate pivot 90c. ing.

With this configuration, for example, when fuel is supplied to the fuel tank 8, or when the inside of the handling chamber 4A is cleaned, maintenance work, or the like, the left outer cover 9L is in a predetermined open posture. Work can be performed by changing the posture. Note that when the maintenance operation of the sorting chamber 4B is performed, the operation is performed in a state where the fuel tank 8 is also switched to the outward projecting position.
Further, when performing maintenance work or the like for the radiator 70 or the engine 7, the work can be performed by entering the maintenance work space s1 with the right exterior cover 9R being changed to a predetermined open posture.

[Glen tank]
As shown in FIGS. 18 to 21, the Glen tank 5 has a box-shaped tank body 51 mounted on the upper side of a tank frame 50 formed by assembling various steel materials such as a square pipe, and these tank frames. 50 and the tank body 51 are integrally connected, and are supported so as to be swingable around a lateral axis z4 in the front-rear direction of a support shaft portion 50A provided at the upper end portion of the support leg portion 12.

  The tank main body 51 protrudes to the left outward portion 51L that protrudes to the left outward of the threshing device 4 and to the right outward of the threshing device 4 by the bottom plate 52, the front and rear vertical plates 53, the top plate 54, and the like. By being configured to include the right overhanging portion 51R positioned above the engine 7 and the like, the threshing device 4 is extended in an overhanged state on both the left and right sides, and extends to the left and right front wheels 2F in the same manner as the driving cabin 15. Widely formed.

Further, as shown in FIG. 21, the bottom plate 52 of the tank frame 50 and the tank main body 51 has a bottom 52a on the left half side thereof located above the threshing device 4, whereas the bottom plate 52 on the right half side thereof. The bottom 52 b is configured to be positioned lower than the upper end of the threshing device 4. Thereby, the bottom 52b on the right half side of the Glen tank 5 is provided at a height position overlapping with the top plate 4b bulging in the trapezoidal shape of the threshing device 4 in a side view as shown in FIGS. It will be in the state.
At this time, the height of the upper part of the support leg 12 is set so as to overlap the handling cylinder 40 of the threshing device 4 in a side view. The vertical height of the space s1 formed on the lower side of the receiving frame 12e is also considerably increased.
Therefore, when the exterior cover 9 is operated to the open posture, the lateral outer side of the lateral wall 4a of the threshing device 4 is also opened relatively widely, which is convenient when the threshing device 4 is maintained.

The tank frame 50 includes a support shaft portion 50A that protrudes forward or rearward at the right lower end portion of both front and rear end portions, and a pair of front and rear leg portions 50B that extend downward to the left portion of the bottom portion. .
Each support shaft portion 50A is fitted into a pair of front and rear pivot support portions 55 provided at the upper right end portion of the support leg portion 12 standing on the right side of the threshing device 4 in the body frame 1 so as to be relatively rotatable. The axial center of the shaft portion 50 </ b> A is a lateral axis z <b> 4 in the front-rear direction that serves as the pivot axis of the tank frame 50. That is, the Glen tank 5 is configured to be swingable in the left-right direction using the front and rear support shaft portions 50A as fulcrums.
Then, a hydraulic dump cylinder 56 is installed between the tank frame 50 and the support leg 12, and the grain tank 5 for storing grains close to the upper part of the threshing device 4 is placed with the front and rear support shafts 50 </ b> A serving as fulcrums. It is configured to swing and drive in the left-right direction across the storage position and the discharge position for discharging the grain tilted to the right away from the upper part of the threshing device 4.

  The leg portions 50B of the tank frame 50 are configured to hold the Glen tank 5 in the storage position by abutting the lower end portions thereof on the left end portion of the top plate 4b of the threshing device 4 by the contraction operation of the dump cylinder 56. Has been.

  At the right end of the Glen tank 5, the right vertical plate 53 is formed such that the lower side thereof is positioned on the right outer side of the aircraft rather than the upper side. A grain outlet 53a formed between the right end of the bottom plate 52 and the lower end of the right vertical plate 53 in a state enabling the grain to be discharged from the lower part of the grain tank 5, A plurality of opening / closing plates 53b that hang down from the lower end portion of the right vertical plate 53 so as to be able to swing left and right so as to open and close the grain discharging port 53a in a state of having the function of enabling the change of the front / rear width of the grain discharging port 53a. And a cover plate 57 that swings up and down over a posture of standing along the lower side of the right vertical plate 53 and a posture of lying down rightward with the connecting shaft 57a to the tank frame 50 as a fulcrum. .

The lid plate 57 closes the grain outlet 53a by preventing the swinging of each open / close plate 53b to the right outward in the standing posture, and to the right outward of each open / close plate 53b in the lying posture. Is allowed to open the grain outlet 53a.
A pair of front and rear waist-folding links 58 are installed between the front and rear vertical plates 53 and 53 and the cover plate 57 to allow the fallen cover plate 57 to function as a guide plate for guiding the grains to flow downward to the right of the machine body. A pair of front and rear engagement arms 59a for fixing and holding the lid plate 57 in the closed position by engaging with the pivot shaft 57b on the lid plate 57 side of the corresponding hip-fold link 58 is provided at the upper right end of the front and rear vertical plates 53, 53. Is equipped with a lock lever 59 that can be swung left and right.

  From the above configuration, the lock lever 59 is swung to release the fixing and holding of the cover plate 57 in the closed position, the cover plate 57 is swung from the closed position to the open position, and the dump cylinder 56 is extended. By swinging the Glen tank 5 from the storage position to the discharge position, the Glen tank 5 is tilted to the right from the storage state in which the grain is stored therein, and the stored grain inside is stored in the grain outlet. It is possible to switch to the tilted state of discharging from 53a to the right outside of the aircraft. Further, the cover plate 57 is swung from the open position to the closed position, the lock lever 59 is swung to hold the cover plate 57 in the closed position, the dump cylinder 56 is contracted, and the glen tank 5 is discharged. By swinging from the position to the storage position, the Glen tank 5 can be switched from the tilted state to the stored state.

  Then, by switching the Glen tank 5 to the tilted state, it becomes possible to swing the movable top plate 4b provided at the top of the threshing device 4 to the open position, and the handling cylinder provided at the top of the threshing device 4 Maintenance from above is possible for 40 and the like.

  The top plate 54 of the Glen tank 5 is opposed to the upper edge of the rear vertical plate 53, the horizontal portion 54A located above the upper edge of the left and right vertical plates 53, 53, and the upper edge of the rear vertical plate 53. The left and right inclined portions 54B that incline from the rear edge of the horizontal portion 54A toward the upper edge of the rear vertical plate 53, and the left and right portions of the horizontal portion 54A that face the upper edge of the left and right vertical plates 53 and 53 The left and right inclined portions 54C and 54D are formed so as to be inclined from the side end edges toward the corresponding upper end edges of the left and right vertical plates 53 and 53, respectively.

  The Glen tank 5 is a corner formed by a front vertical plate 53 and a left vertical plate 53 in the upper end portion of the Glen tank 5, which enable supply of grains to the inside of the Glen tank 5. Formed in part. Specifically, the supply port 5 </ b> A is formed at the left end portion of the upper end portion of the front vertical plate 53 with a left-down inclined posture along the left inclined portion 54 </ b> C of the top plate 54.

  The lateral width of the Glen tank 5 is set to a lateral width that is about the same as the lateral width of the vehicle body frame 1, and the center position in the lateral direction substantially coincides with the center line CL of the airframe. In addition, the vertical height of the Glen tank 5 is set to be smaller than the lateral width thereof so that the uppermost part of the upper surface of the Glen tank 5 is approximately the same as the upper surface of the ceiling of the operation cabin 15. It is configured.

[Lifting device]
As shown in FIGS. 10 and 18 to 20, by the handling process and the sorting process in the threshing device 4 from the terminal end of the first screw 47 a that is the grain discharge location of the threshing device 4 to the supply port 5 </ b> A of the Glen tank 5. A lifting device 110 that conveys the obtained single-grained grains to the glen tank 5 is installed.
The lifting device 110 includes a lower transport mechanism 110A that extends in a forwardly inclined posture from the terminal end of the screw 47a on the right outer side of the threshing device 4, and a lower transport mechanism on the front outer side of the Glen tank 5. And an upper conveyance mechanism 110B extending in a left-tilt posture from the conveyance terminal portion of 110A to the upper left, and configured to bypass the right bulging portion 51R on the grain discharge side of the Glen tank 5. .

The lower transport mechanism 110A includes an endless rotating chain 111a that is rotationally driven with a large number of transport plates provided in the periphery thereof inside the conveyor case 111 that is connected to the terminal end of the first screw 47a. It is comprised by the slat conveyor which scrapes up and conveys.
The lower end conveying mechanism 110A includes a grain guide 111b that guides the pumped grain down to the conveying start end of the upper conveying mechanism 110B. The grain guide 111b is configured to employ a duct to prevent the leakage of the grain.

The upper transport mechanism 110B is configured such that the screw shaft 112a that is rotatably installed over both upper and lower ends of the transport cylinder 112 that is connected to the grain guide 111b rotates, whereby the lower transport mechanism 110A transports the grain. The screw conveyor is configured to lift the grains to the supply port 5 </ b> A of the Glen tank 5.
At the conveyance end portion of the upper conveyance mechanism 110B, there is disposed a radiating device 113 that radiates the raised grains from the supply port 5A of the Glen tank 5 into the Glen tank 5.

  The radiating device 113 covers a pair of radiating plates 113a that integrally rotate the pumped grains with the screw shaft 112a and radiate them radially by centrifugal force, and the rotational center of the screw shaft 112a. And a radiating case 113b externally fitted to the upper end portion of the transfer cylinder 112 in a state where the rotation is possible. A guide portion 113c for guiding the grains released by the release plate 113a to the inside of the Glen tank 5 is formed in the release case 113b.

  The lower transport mechanism 110A uses a space formed between the right side surface of the threshing device 4 and the engine 7 below the right bulging portion 51R of the Glen tank 5 and passes through that space. 4 is disposed between the right side surface of the engine 4 and the engine 7. Moreover, it equips with the right side surface of the threshing apparatus 4 in the state along the direction orthogonal to the overhanging direction of 51 R of right side swelling parts. Accordingly, the lower transport mechanism 110A can be equipped in the state of being close to the right side surface of the threshing device 4, and the right outer portion of the lower transport mechanism 110A in the vehicle body frame 1 is positioned around the engine 7 and the engine 7 As an arrangement area for deploying devices and the like, it can be used more effectively without waste.

  Furthermore, the grain guide 111b provided at the conveyance end portion is in a state of being located on the front side of the machine body from the front end of the right side bulging portion 51R of the Glen tank 5 in a plan view, and the upper end portion is higher than the threshing device 4 Equipped with a forward leaning posture so that it is in the position. Thereby, the grain tank 5 is easily extended and formed in a state in which the right half side is positioned below the upper end of the threshing device 4, and is disposed on the front outer side of the grain guide 111 b and the grain tank 5. While making it easy to connect to the upper transport mechanism 110B, it is possible to improve the grain transport efficiency in the lower transport mechanism 110A as compared with the case of mounting in a vertical posture. In addition, the screw conveyance by the upper conveyance mechanism 110B is shortened to suppress the grain damage that may occur during the screw conveyance.

  The upper transport mechanism 110B uses the space formed between the front surface of the grain tank 5 and the back surface of the operation cabin 15 to transfer the grain from the transport terminal portion of the lower transport mechanism 110A located on the right outer side of the threshing device 4. The tank 5 is equipped in a state of tilting to the left toward the supply port 5A located at the upper left end of the tank 5 and along the front surface of the Glen tank 5. As a result, the operation cabin 15 can be used for the support frame of the upper transport mechanism 110B. As a result, the grain tank 5 is configured to be switchable between a storage state and a tilted state by a swinging operation in the left-right direction, and the grain from the dissipating device 113 of the upper transport mechanism 110B to the inside of the Glen tank 5 is configured. It is possible to simplify the configuration required for the support structure for fixedly mounting the upper transport mechanism 110B in the state of being close to the front surface of the Glen tank 5 so that the grains can be supplied.

  Moreover, it comprises so that the lower end part of the upper side conveyance mechanism 110B may be located in the substantially same height as the upper end part of the threshing apparatus 4. FIG. As a result, the difference in height between the lower end of the upper transport mechanism 110B and the supply port 5A can be reduced, and the transport inclination angle of the upper transport mechanism 110B can be relaxed accordingly. As a result, the grain conveyance efficiency in the upper conveyance mechanism 110B can be improved.

〔transmission〕
The transmission 3 to which the power of the engine 7 is transmitted is attached to the front portion of the body frame 1, and as shown in FIGS. 23 and 24, a hydrostatic continuously variable transmission 3A and a planetary gear mechanism using a planetary gear mechanism. A gear reduction device 3B, a gear transmission 3C, a differential device 3D, and the like are combined.
Among these devices 3A, 3B, 3C, and 3D, the planetary gear reduction device 3B, the gear transmission 3C, and the differential device 3D are disposed inside the mission case 30, and the left side outside the mission case 30. The hydrostatic continuously variable transmission 3A is attached to the lateral side surface 30a (on the right side in FIG. 24) (see FIGS. 7 to 8). In this way, the transmission 3 is configured by incorporating the devices 3A, 3B, 3C, and 3D as transmissions into the transmission case 30.
As shown in FIGS. 7 and 8, the mission case 30 is placed on the upper side of a rectangular pipe-shaped connection frame 10 </ b> D that connects the left and right front support frame parts 10 a provided at the front part of the main frame 10. It is connected and fixed in the state.

The mission case 30 is formed in a box shape that can be divided into left and right with a division surface F in the vertical direction corresponding to a joint portion between the open ends of the pair of left and right division case bodies as a boundary.
And in the state joined to the box shape, it has horizontal side surfaces 30a, 30b along the vertical direction on the left and right sides of the bottom surface 30e along the horizontal direction, and the front side surface along the vertical direction on the front side and the rear side, respectively. 30d and a rear side surface 30f, and on the upper side, a part of the rear end side is horizontal, and an upper surface 30c formed on an inclined surface in which the front side is inclined downwardly toward the front end side.
As a result, the mission case 30 is formed in a substantially rectangular shape in plan view and in a substantially triangular box shape as shown in FIG. 23 in side view.

As shown in FIGS. 7 and 8, the mission case 30 is disposed so as to partially overlap the feeder 17 </ b> A of the reaping processing device 17 in plan view.
The mission case 30 configured as described above is configured so that the lower surface of the feeder 17A does not come into contact with the mission case 30 when the feeder 17A is lowered to the lowermost position as shown in FIG. 30 is formed such that the inclined portion of the upper surface 30c has substantially the same inclination angle as the inclination of the lower surface of the feeder 17A lowered to the lower limit position.

  In the mission case 30, as shown in FIG. 23, an input shaft 31 having an axial line extending in the left-right direction at a position near the rear end, which is one end in the front-rear direction on the upper side of the mission case 30. Is arranged. A drive shaft 20 (corresponding to a first output shaft) whose axial direction is aligned in the left-right direction at a position near the front end corresponding to the other end opposite to the one end on the lower side of the mission case 30. ) Is arranged.

The transmission shafts 34 and 35 in the power transmission system from the input shaft 31 to the drive shaft 20 are below the imaginary line segment a connecting the axis p1 of the input shaft 31 and the axis p2 of the drive shaft 20. In addition, the transmission case 30 is disposed along the vertical direction near the one end and the horizontal direction near the bottom surface 30e of the transmission case 30.
That is, as shown in FIG. 23, the transmission gear transmission shaft 34 is disposed near the position directly below the input shaft 31, and the branch transmission shaft 35 is located at the same height as the shaft center p2 of the drive shaft 20. An imaginary line segment that connects the input shaft 31, the transmission transmission shaft 34, the branch transmission shaft 35, and the drive shaft 20 is arranged on the rear side surface 30f and the bottom surface 30e of the transmission case 30 in a side view. The transmission shafts 34 and 35 of the power transmission system are arranged so as to be substantially L-shaped along the line.

An input pulley 31 a is fixed to the right end portion of the input shaft 31 (on the left side in FIG. 24), and the driving force from the engine 7 is transmitted via the transmission belt 83.
The left end of the input shaft 31 (on the right side in FIG. 24) is integrated with the pump shaft 32a of the hydraulic pump 32 in the hydrostatic continuously variable transmission 3A fixed to the left lateral surface 30a of the mission case 30. The engine power is transmitted as a driving force of the hydraulic pump 32.

The motor shaft 33a of the hydraulic motor 33 in the hydrostatic continuously variable transmission 3A is coaxially rotatable with respect to the speed change transmission shaft 34 installed over the left and right lateral surfaces 30a and 30b in the transmission case 30. It is connected.
The motor shaft 33a and the transmission transmission shaft 34 constitute an input shaft and an output shaft of the planetary gear reduction device 3B, and the sun gear 33b of the planetary gear reduction device 3B is configured to rotate integrally with the motor shaft 33a. A carrier 34a for supporting the planetary gear 34b that is mounted and meshed with the outer peripheral side of the sun gear 33b is mounted so as to rotate integrally with the transmission shaft 34.
A planetary gear 34b rotatably supported by the carrier 34a is mounted so as to revolve on the outer peripheral side of the sun gear 33b, and a ring gear 31d that meshes with the outer peripheral side is provided. The ring gear 31d meshes with both the transmission gear 31c of the input shaft 31 and the planetary gear 34b inside and outside so as to transmit the rotation of the input shaft 31 via the transmission gear 31c provided on the input shaft 31. ing.

  The sun gear 33b, the carrier 34a, the planetary gear 34b, and the ring gear 31d constitute a planetary gear reduction device 3B. The power of the motor shaft 33a and the input shaft 31 is input to the planetary gear reduction device 3B. The transmission power is output to the transmission transmission shaft 34 through the carrier 34a.

The speed change transmission shaft 34 is constituted by a spline shaft having a spline groove formed on the outer peripheral portion thereof, and a shift gear 34c slidably movable in the axial direction thereof is spline-fitted so as to rotate integrally.
The shift gear 34c, together with the gears 35a, 35b, 35c for speed change provided on the branch transmission shaft 35, is selectively meshed with the gears 35a, 35b, 35c to perform a high / low speed change operation. The apparatus 3C is configured.

  That is, the shift gear 34c is formed by integrally forming three types of shift gear portions, that is, a medium speed gear portion g1, a high speed gear portion g2, and a low speed gear portion g3, and a medium speed gear 35a provided on the branch transmission shaft 35. The high-speed gear 35b and the low-speed gear 35c are configured to mesh with each other.

  The branch transmission shaft 35 is also installed over the left and right lateral surfaces 30a, 30b in the mission case 30. In addition to the above-described medium speed gear 35a, high speed gear 35b, and low speed gear 35c, the branch transmission shaft 35 is non-steering system that meshes with the differential gear 36 of the differential device 3D that transmits power to the front wheels 2F. The first transmission gear 35d and a steering-system second transmission gear 35e meshing with the transmission gear 38a of the relay transmission shaft 38 that transmits power to the rear wheel 2R are integrally provided (see FIGS. 23 and 24). ).

  The non-steering driving force input to the differential gear 36 is transmitted to the left and right drive shafts 20 and 20 (corresponding to the first output shaft) via the differential 3D, and the left and right drive shafts 20. 20 is transmitted to the speed reduction mechanism 21a in the speed reduction case 21 of the left and right front wheels 2F. In the speed reduction case 21, the power reduced by the speed reduction mechanism 21a constituted by the planetary gear mechanism is transmitted to the front axle 2a, and the front wheels 2F are driven.

Each of the left and right drive shafts 20 and 20 is provided with a side brake 20a having a plurality of friction plates on the outer peripheral side thereof. The brake 20a is configured to be operated.
The differential device 3D includes a differential lock mechanism 37 that can be switched between a differential lock state and a differential lock release state, and is used for a depression operation of a differential lock pedal (not shown) provided in the operation cabin 15 and a depression release operation associated with the depression again. In conjunction with this, a switching operation between the diff lock state and the diff lock release state is performed.

As shown in FIG. 24, the driving force of the steering system input to the relay transmission shaft 38 is an axis perpendicular to the axis of the relay transmission shaft 38 via a bevel gear 38b provided on the relay transmission shaft 38. And is transmitted to a bevel gear 39a of a rear wheel drive shaft 39 (corresponding to a second output shaft) directed rearward.
Of the power branched from the branch transmission shaft 35 via the drive transmission tool 24 connected to the shaft end of the rear wheel drive shaft 39, the steering system driving force is transmitted to the rear wheel via the rear axle 2b. It is configured to be transmitted to 2R.

The lateral side surface 30a on the side where the hydrostatic continuously variable transmission 3A of the transmission case 30 is provided is more than the imaginary line segment a connecting the axis p1 of the input shaft 31 and the axis p2 of the drive shaft 20. A gear pump 25 for supplying pressure oil to various hydraulic actuators is also mounted on the upper side, positioned closer to the input shaft 31 than the drive shaft 20 in the front-rear direction.
The input of driving force to the gear pump 25 is configured such that power is transmitted from the branch gear 31b provided in the middle of the input shaft 31 to the input gear 25b provided at the shaft end of the pump driving shaft 25a of the gear pump 25, It is configured to be driven by the power of the input shaft 31.

  Further, as shown in FIG. 23, the gear pump 25 passes the oil stored in the mission case 30 through the strainer 26a provided near the bottom surface 30e of the mission case 30, and the oil supply passage 26 connected to the strainer 26a. It is configured to inhale through. The oil stored in the mission case 30 has a liquid level h at a height where the branch transmission shaft 35 and the drive shaft 20 exist so that the oil can be used as lubricating oil for each gear in the mission case 30. Reserved until it reaches the limit.

  The gear pump 25 includes a power steering device 60 for steering the rear wheel 2R, which is a steering wheel, a cutting lift cylinder 27 for lifting and lowering the entire cutting processing device 17, and a scraping reel 17B of the cutting processing device 17. Are used to drive a reel lifting cylinder (not shown) for lifting and lowering and a dump cylinder 56 for lifting and lowering the glen tank 5, and these power steering device 60, cutting lift cylinder 27, The reel raising / lowering cylinder and the dump cylinder 56 constitute an actuator driven by the gear pump 25.

A parking brake 18 having a plurality of friction plates and a pressing body is attached to a portion of the branch transmission shaft 35 that protrudes outward from the right lateral surface of the transmission case 30.
Although not shown, the parking brake 18 is in a braking state in which the pressing body presses the friction plate when the parking brake pedal provided in the driving cabin 15 is depressed, and the branch transmission shaft 35 is prevented from rotating. By depressing the step, the brake is released so that the pressing of the friction plate by the pressing body is released.

  A reference numeral 30g shown in FIG. 23 is a hook member that can be used when the mission case 30 is suspended, and can be attached by screwing to a mounting seat 30h provided on the upper surface 30c of the mission case 30. It is configured. By providing an engaging portion (not shown) for the hook member 30g in the lower part of the feeder 17A, the operating force of the cutting lift cylinder 27 is used during assembly / disassembly when the feeder 17A moves up and down. It is also possible to suspend and support the mission case 30.

[Rear wheel drive system]
A drive transmission shaft 24 (corresponding to a drive transmission tool) connected to the rear wheel drive shaft 39 for transmitting a driving force to the rear wheel 2R is equipped with a threshing device 4 in the vertical direction as shown in FIG. The lower edge of the body frame 1, that is, above the lower edge of the vertical frame 10 </ b> A of the main frame 10, below the lower surface of the threshing device 4, that is, below the upper edge of the grid-like mounting frame 11. It is arranged.
Moreover, in planar view, as FIG. 8 shows, it arrange | positions along the right side edge of the right side of the threshing device 4 a little on the right side.
Thus, when the maintenance work is performed with the lower surface side of the threshing device 4 opened, it is possible to avoid the drive transmission shaft 24 from interfering with the work. Further, since the drive transmission shaft 24 does not exist below the lower edge of the vehicle body frame 1, it is easy to avoid contact with other objects, and no installation space is required above the vehicle body frame 1, so the vehicle body frame 1 It does not interfere with the equipment placed above.

The power transmission structure from the rear wheel drive shaft 39 to the rear axle 2b is configured as follows.
That is, as shown in FIGS. 8 and 24, the drive transmission shaft 24 is concentrically connected via the shaft joint 24 a on the extension line of the rear wheel drive shaft 39.
The power transmitted to the drive transmission shaft 24 is directed back and forth via a bevel gear 24b provided at the rear end of the drive transmission shaft 24 and a lateral transmission shaft 66 having bevel gears 66a and 66b on the upper and lower transmission sides. It is transmitted to the front end side bevel gear 67 a of the transmission shaft 67.

The front-rear transmission shaft 67 is rotatably supported by the vehicle body frame 1 so as to be positioned coaxially with the front-rear direction axial center z1 of the rear wheel support frame 22, and a rear end side provided on the rear end side. A bevel gear 67 b is located inside the rear wheel support frame 22.
The rear wheel support frame 22 is formed in a box shape having a rectangular cross section, and a rear wheel transmission shaft 68 is provided therein. The input bevel gear 68a provided at the intermediate portion of the rear wheel transmission shaft 68 meshes with the rear end side bevel gear 67b of the front-rear transmission shaft 67, and the output gears 68b and 68b provided at the left and right ends of the rear wheel transmission shaft 68 are left and right. The rear wheel axle 2b is engaged with a transmission gear 69a of an interlocking shaft 69 connected via a universal joint 69b so that a driving force is transmitted to the rear wheel 2R.

[Rear wheel operation mechanism]
The rear wheel operating mechanism 6 for operating the rear wheel 2R constituting the steering wheel so that the direction of the rear wheel 2R can be freely changed around the vertical swing axis y1 is configured as shown in FIGS.
That is, a rear axle 2b (corresponding to an axle) is vertically pivoted on both left and right ends of a rear wheel support frame 22 that is mounted on the rear portion of the vehicle body frame 1 so as to be swingable left and right around the longitudinal axis z1. A pivot tube portion 22a is pivotally supported around the center y1 so as to be rotatable.

The left and right rear wheels 2R, which are steered with the vertical swing axis y1 as the center of swing, have a pitman arm 62 that is in a state of facing forward and inward when traveling straight forward via a tie rod 61. It is connected to the device 60.
In the power steering device 60, detection information detected by a steering operation amount detector (not shown) for detecting the steering operation amount of the steering handle 15a is input to a control device (not shown) composed of a microcomputer. Based on a command from steering operation means (not shown) stored in advance as a program in the nonvolatile memory of the control device, the piston rod 60b of the power steering device 60 is expanded and contracted to change the steering direction. It is configured.
The cylinder 60a of the power steering device 60 is fixedly supported by the rear wheel support frame 22 that swings left and right around the longitudinal axis z1 so as to swing right and left around the longitudinal axis z1 together with the rear wheel support frame 22. It is configured.

[Transmission system of traveling system]
The power transmission system from the engine 7 to the traveling device 2 is configured as shown in FIG.
The output from the engine 7 is input to the input shaft 31 of the transmission 3 via the transmission belt 83 and the input pulley 31a.
The power transmitted to the input shaft 31 is transmitted to the hydraulic pump 32 of the hydrostatic continuously variable transmission 3A through a pump shaft 32a that is concentrically connected to the input shaft 31 so as to rotate integrally therewith. ing. The power is branched and transmitted to the gear pump 25 via a branch gear 31b provided on the input shaft 31 and to the ring gear 31d of the planetary gear reduction device 3B via a transmission gear 31c.

  The motive power transmitted to the hydrostatic continuously variable transmission 3A is shifted and output from the motor shaft 33a of the hydraulic motor 33 and input to the sun gear 33b of the planetary gear reduction device 3B. Therefore, the combined force of the power input from both the hydraulic motor 33 side and the input shaft 31 side is transmitted to the carrier 34a of the planetary gear reduction device 3B, and the combined force is used as the shifted power to the carrier 34a. Is transmitted to the speed change transmission shaft 34.

  The hydrostatic continuously variable transmission device 3A and the planetary gear reduction device 3B constitute a main transmission device of a traveling drive system. This main transmission device is a main transmission lever (inside the driving cabin 15). The forward / backward swing operation (not shown in the figure) is configured so that the speed change operation from the forward-side maximum speed position to the reverse-side position can be performed steplessly.

  The power transmitted to the transmission shaft 34 is transmitted to the branch transmission shaft 35 via the shift gear 34c and the transmission gears 35 of the branch transmission shaft 35 (medium speed gear 35a, high speed gear 35b, and low speed gear 35c). It is comprised so that. In this shift gear 34c, there are three types of shift gear parts, a medium speed gear part g1, a high speed gear part g2, and a low speed gear part g3, and a medium speed gear 35a, a high speed gear 35b, and a low speed gear 35c in the branch transmission shaft 35. The sub-transmission device is configured to be shifted by a sub-transmission lever (not shown) provided in the driving cabin 15.

  The position where the middle speed gear portion g1 of the shift gear 34c meshes with the middle speed gear 35a of the branch transmission shaft 35 is the medium speed output state of the auxiliary transmission, and the high speed gear portion g2 of the shift gear 34c is the branch transmission shaft 35. The position of meshing with the high speed gear 35b is the high speed output state of the auxiliary transmission, and the position of the low speed gear portion g3 of the shift gear 34c meshing with the low speed gear 35c of the branch transmission shaft 35 is the low speed output state of the auxiliary transmission. is there.

The power transmitted to the branch transmission shaft 35 is transmitted to the differential gear 36 that meshes with the first transmission gear 35d that rotates integrally with the branch transmission shaft 35, and the left and right drive shafts 20, 20 are driven through the differential device 3D. The driving force is transmitted to the front axles 2a and 2a.
The branch transmission shaft 35 is also provided with a second transmission gear 35e so as to rotate integrally therewith, and a driving force is branched and transmitted to the relay transmission shaft 38 via a transmission gear 38a meshing with the second transmission gear 35e. The power of the branch transmission shaft 35 is branched and transmitted to the rear wheel drive shaft 39 via a bevel gear 38b provided on the relay transmission shaft 38 and a bevel gear 39a meshing with the bevel gear 38b.

  The power transmitted to the rear wheel drive shaft 39 is transmitted to the rear axles 2b and 2b via the drive transmission shaft 24, the lateral transmission shaft 66, the front and rear transmission shaft 67, the rear wheel transmission shaft 68, and the interlocking shaft 69. The rear wheel 2R is driven.

[Work system transmission form]
Next, the power transmission path for work systems such as the threshing device 4, the grain tank 5, and the cutting processing device 17 will be described.

As shown in FIG. 25, the power of the output shaft 7 a of the engine 7 is transmitted by the work input transmission mechanism 79 to the input rotation shaft 101 that also serves as the drive shaft of the sub-carp 45 a.
The work input transmission mechanism 79 is wound around a drive pulley 79a provided on the output shaft 7a of the engine 7, a driven pulley 79b provided on the input rotary shaft 101 of the auxiliary tang 45a, and the drive pulley 79a and the driven pulley 79b. And a power transmission belt 79c so that the power of the output shaft 7a of the engine 7 can be directly transmitted to the input rotary shaft 101 of the auxiliary tang 45a.

The power of the input rotary shaft 101 of the auxiliary tang 45a is the first transmission mechanism that transmits the driving force to each device in the sorting chamber 4B of the threshing device 4 and the lifting device 110 that sends the grain to the grain tank 5. The belt-type transmission mechanism 100 and the second belt-type transmission mechanism 85 as a second transmission mechanism that transmits a driving force to the handling barrel 40 and the cutting processing device 17 of the threshing device 4 are configured to be branched and transmitted. It is.
In other words, the power of the output shaft 7a of the engine 7 is transmitted to the input rotary shaft 101 of the auxiliary tang 45a by the work input transmission mechanism 79, and then the first tang 45b of the main tang 45b by the first belt type transmission mechanism 100. The driving force is transmitted to each device in the sorting chamber 4B of the threshing device 4 and the lifting device 110 that sends the grain to the grain tank 5, and the handling belt 40 of the threshing device 4 is transmitted by the second belt type transmission mechanism 85. The driving force is transmitted to the harvesting processing device 17.

In this embodiment, the 1st belt type transmission mechanism 100 and the 2nd belt type transmission mechanism 85 are arrange | positioned in the left-right direction of the threshing apparatus 4 on the opposite side to the right side of the threshing apparatus 4 in which the engine 7 is arrange | positioned, ie, the left side. The first belt type transmission mechanism 100 is disposed on the left side of the sorting chamber 4B of the threshing device 4 toward the rear side of the input rotary shaft 101.
The second belt type transmission mechanism 85 is disposed on the left lateral side of the threshing device 4 toward the front side above the input rotation shaft 101 (see FIGS. 10 and 25).

  In the first belt type transmission mechanism 100, the main tang 45b, the first screw 47a, the second screw 48a, and the swing sorter from the first drive pulley 101a of the input rotary shaft 101 through the transmission belts 102, 103, 104, 105. The power is transmitted to the mechanism 46, the waste straw treatment device 16 and the like, and the driving force is also transmitted to the second reduction device 49 and the lifting device 110.

In the second belt-type transmission mechanism 85, the pre-cutting device is processed by the power transmitted from the second drive pulley 101b of the input rotating shaft 101 through the transmission belts 106 and 108 and from the first drive pulley 101a through the transmission belt 107. The driving force for 17 is transmitted.
The power transmitted through the transmission belt 106 is also transmitted to the cylinder input shaft 40 a of the cylinder 40 via the transmission shaft 86. In addition, power is transmitted from another transmission shaft 87 to the transmission belt 108 via an input bevel gear 40b provided on the barrel input shaft 40a, and the rotation of the transmission belt 108 is transmitted as power that is reverse to the transmission belt 107. Thus, forward and reverse rotational power can be selectively supplied to the feeder 17A using a clutch device (not shown).

[Other Embodiment 1]
FIG. 26 to FIG. 28 show another embodiment of a general combine that employs a structure equipped with a grain carrying out auger 120 for carrying out the grain stored in the tank body 51 to the outside as the Glen tank 5. Is shown.
The Glen tank 5 has the same shape as the tank main body 51 shown in the above-described embodiment, but the side on which the horizontal axis z4 serving as the swing center of the Glen tank 5 exists as shown in FIGS. The structure corresponding to the grain outlet 53a, the opening / closing plate 53b, and the cover plate 57 at the right end is not provided. That is, the right end portion of the Glen tank main body 51 is configured by a mere flat plate-like vertical plate 53 similar to the end portions on both the front and rear sides and the left end portion, and an opening is formed through which the grain can be discharged as it swings. It is not a thing of the structure.

In the grain carrying out auger 120, the screw shaft core is located near the right end of the right bottom 52 b that is formed one step lower than the left bottom 52 a of the bottom plate 52 in the tank body 51. The bottom discharge screw 121 is rotatably supported so as to coincide with the horizontal axis z4.
A vertical screw 122 that lifts and conveys the discharged grain is connected to the outlet side of the bottom discharge screw 121, and the lifted grain is transported in the horizontal direction to the outside on the upper end side of the vertical screw 122. A horizontal screw 123 is connected, and the grain discharge auger 120 is constituted by the bottom discharge screw 121, the vertical screw 122, and the horizontal screw 123.

As shown in FIG. 28, the vertical screw 122 of the grain carrying out auger 120 includes a pair of front and rear pivot portions 55 provided at the upper right end portion of the support leg portion 12 erected at the right side portion of the threshing device 4. The lower cylinder part 122a integrally supported by the pivotal support part 55 of the body front side is provided, and the upper cylinder part 122b connected to the upper side of the lower cylinder part 122a is provided.
The outer peripheral gear 122c formed on the lower outer periphery of the upper cylindrical portion 122b meshes with the driving gear 124a of the electric motor 124 for turning, and the upper cylindrical portion 122b moves up and down with respect to the lower cylindrical portion 122a by the driving force of the electric motor 124. It is configured to be relatively rotatable around the direction axis y3.

Accordingly, the horizontal screw 123 integrally connected to the upper end side of the upper cylindrical portion 122b of the vertical screw 122 is vertically moved together with the upper cylindrical portion 122b rotated about the vertical axis y3 by the driving force of the electric motor 124. It is configured to rotate around the axis y3.
With this turning operation, the horizontal screw 123 moves from the retracted position along the vertical plate 53 at the right end of the tank body 51 as shown by a solid line in FIG. 27 to the vertical axis y3 as shown by the phantom line in FIG. It is possible to select an arbitrary discharge position that turns and protrudes laterally outward. And it is comprised so that a grain can be discharged | emitted from the discharge port 123a of the side far from the up-down direction axial center y3 in the selected arbitrary discharge positions.

The bottom discharge screw 121, the vertical screw 122, and the horizontal screw 123 of the grain carrying out auger 120 are connected to each other via bevel gears provided at the shaft ends of the respective screw shafts.
As shown in FIG. 28, the transmission of power from the engine 7 to the grain carrying out auger 120 is performed between an output pulley 7d provided on the output shaft 7a of the engine 7 and a bottom discharge screw 121 of the grain carrying out auger 120. It is configured to be performed via a third belt type transmission mechanism 125 wound around an input pulley 121a provided at one end. That is, the third belt type transmission mechanism 125 constitutes a power input section to the Glen tank 5.

  The third belt type transmission mechanism 125 includes a first transmission belt 75a that also serves as a transmission mechanism 75 that supplies the power of the engine 7 to the radiator 70, and a first relay pulley around which the first transmission belt 75 is wound. An auger first relay pulley 126a fixed to a first relay shaft 7b that supports 7e is provided.

  The first relay shaft 7b is provided on the rear side of the engine 7 and on the upper portion of the support leg 12, and an auger first transmission shaft 7g having an axis parallel to the first relay shaft 7b is provided. It is provided at a position corresponding to the upper part of the front part of the engine 7 at the upper part of the support leg 12 that is substantially the same height as the first relay shaft 7b, and the second auger relay pulley 126b is mounted so as to rotate integrally. is there.

A portion of the upper portion of the support leg 12 that is substantially the same height as the first auger transmission shaft 7g and above the front of the engine 7 is perpendicular to the axis of the first auger transmission shaft 7g, An auger second transmission shaft 7h having an axis parallel to the axis z4 of the discharge screw 121 is provided with a third auger relay pulley 126c that rotates integrally with the front end side.
The auger first transmission shaft 7g and the auger second transmission shaft 7h are supported by a common relay box 127 provided on the upper portion of the support leg 12, and the auger second relay pulley 126b and the auger Bevel gears (not shown) provided on the side opposite to the side on which the third relay pulley 126c exists are engaged with each other to transmit power.

The first transmission belt 75a for driving the radiator 70, which also serves as the first auger transmission belt, is wound around the output pulley 7d of the engine 7 and the first auger relay pulley 126a disposed as described above. The auger second transmission belt 125a is wound in the front-rear direction across the auger first relay pulley 126a and the auger second relay pulley 126b, and the auger third relay pulley 126c and the input pulley 121a of the bottom discharge screw 121 are wound. The third auger transmission belt 125b is wound in the vertical direction.
That is, the first transmission belt 75a, the auger second transmission belt 125a, and the auger third transmission belt 125b constitute a third belt-type transmission mechanism 125 that transmits engine power to the grain carrying out auger 120. Yes.

  The second auger transmission belt 125b includes a belt tension clutch constituted by a tension pulley 128a mounted on a swingable tension arm 128. The tension pulley 128a is a second auger transmission belt 125b. It is configured to be able to switch between driving tension and a driving stop with respect to the bottom discharge screw 121 by switching between a tension state for transmission that presses against and a relaxed state that releases the pressure contact and stops transmission.

The upper cylindrical portion 122b of the vertical screw 122 that is swiveled by the electric motor 124 and the rotational position of the horizontal screw 123 that is integrally connected to the upper end of the vertical screw 122 about the vertical axis y3 and the horizontal direction of the tank body 51. The tilting posture around the axis z4 is detected by a sensor (not shown), and the detection signal is input to a control device (not shown) to control the operation of the electric motor 124 and the dump cylinder 56. Yes.
That is, as shown by the phantom line in FIG. 27, the tank main body only when the horizontal screw 123 has moved to a position deviated from a swinging locus around the horizontal axis z4 of the tank main body 51 in plan view. If the extension operation of the dump cylinder 56 is restricted so that the swing operation of the 51 around the horizontal axis z4 is possible and the tank main body 51 is tilted, the horizontal screw 123 will follow the swing trajectory of the tank main body 51. The operation of the electric motor 124 is controlled so as to limit the entry into the range.
Other configurations may be the same as those in the above-described embodiment.

[Second embodiment]
In the above-described embodiment, the input rotation for transmitting the power transmitted from the output shaft 7a of the engine 7 through the work input transmission mechanism 79 to the other side of the threshing device 4 from the side where the engine 7 of the threshing device 4 exists. The shaft 101 has been illustrated as having a structure using the drive shaft of the auxiliary tang 45a, but is not limited thereto, and may be configured as follows, for example.
That is, as shown in FIG. 29, only the main tang 45b is used as the tang 45 instead of the sub tang 45a, and the air passage 45c directed to the upper side of the sorting chamber 4B is formed on the main tang 45b. Is adopted.
In this structure, the input rotating shaft 101 that transmits the threshing device 4 from the side where the engine 7 is present to the other side of the threshing device 4 crosses the threshing device 4 above the air passage 45c above the main tongue 45b. The counter axis is configured.
Power is transmitted from the work input transmission mechanism 79 to the shaft portion of the countershaft projecting from the threshing device 4 to the side where the engine 7 exists, and the first belt from the shaft portion projecting to the other side of the threshing device 4. Power transmission mechanism 100 and second belt transmission mechanism 85 are configured to transmit power.
Other configurations may be the same as those in the above-described embodiment.

[3 of another embodiment]
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.

[4 of another embodiment]
In the above embodiment, the traveling device 2 has a structure in which both the front wheel 2F and the rear wheel 2R are driven. However, the present invention is not limited to this, and for example, the front wheel 2F is a non-steering wheel. The drive wheel may be configured, and the rear wheel 2R may be configured with a steered wheel that is not driven.
Other configurations may be the same as those in the above-described embodiment.

[5 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.
Other configurations may be the same as those in the above-described embodiment.

[6 of another embodiment]
In the above embodiment, the Glen tank 5 disposed above the threshing device 4 is constituted by a series extending over the upper position of the engine 7 and the upper position of the threshing device 4, and the bottom plate of the Glen tank 5 52, the right bottom 52a corresponding to the upper position of the engine 7 is positioned lower than the left bottom 52b corresponding to the upper side of the top plate 4b of the threshing device 4, but not limited thereto, for example, The right bottom portion 52a and the left bottom portion 52b may be configured by a bottom plate 52 having a similar height.
Other configurations may be the same as those in the above-described embodiment.

[7 of another embodiment]
In said embodiment, although the thing of the structure where the glen tank 5 arrange | positioned above the threshing apparatus 4 overhangs on both the right and left sides of the threshing apparatus 4 was shown, it is not restricted to this. For example, it overhangs from the upper position of the threshing device 4 toward the upper position side of the engine 7, or is provided only at the upper position of the threshing device 4, or is provided only at the upper position of the engine 7, or the upper position of the threshing device 4. It is good also as a structure provided by making it overhang from the upper position of the engine 7 to the opposite side. Moreover, you may provide the threshing apparatus 4 so that the handling cylinder rotation axis p1 may correspond with the centerline CL in the left-right direction of a body, or may correspond substantially.
Other configurations may be the same as those in the above-described embodiment.

[8 of another embodiment]
In said embodiment, although the thing of the structure which has arrange | positioned the transmission 3 arrange | positioned ahead of the threshing apparatus 4 in the position which overlaps with feeder 17A by planar view was shown, it is not restricted to this, Threshing The transmission 3 disposed in front of the device 4 may be disposed at a position that does not overlap with the feeder 17A in plan view.
Other configurations may be the same as those in the above-described embodiment.

[9 of another embodiment]
In the above-described embodiment, the upper end of the engine 7 is disposed at a position slightly lower than or equal to the upper end of the outer peripheral edge of the front wheel 2F, but is limited to this. It is not a thing.
For example, the main part of the engine 7 is approximately the same as the upper end of the outer peripheral edge of the front wheel 2F, and its auxiliary equipment and a small part of the engine 7 are disposed above the upper end of the front wheel 2F. It may be.
Further, the lower surface of the engine 7 is not limited to the same level as the front axle 2a. For example, the lower surface of the engine 7 is positioned lower than the front axle 2a or the crankshaft of the engine 7 is disposed. May be disposed so as to be positioned lower than the front axle 2a.

[10 of another embodiment]
In the above embodiment, the engine 7 disposed on the lateral side of the threshing device 4 is disposed between the front wheel 2F and the rear wheel 2R in a side view and overlaps with the front wheel 2F in a front-rear direction view. Although what was shown was shown, you may arrange | position as follows not only this.
For example, the engine 7 is positioned between the lateral wall 4a of the threshing device 4 in the left-right direction and the inner end surface of the front wheel 2F facing the center of the machine body, and the front end of the engine 7 is in front of the rear end of the front wheel 2F. You may arrange | position so that it may be located in the front-back direction location comparable as the axle shaft 2a, or it may be located in the back side.
Moreover, the positional relationship in the front-rear direction with the threshing device 4 engine 7 is not limited to that in which both are positioned at substantially the same front-rear direction location, and the front end of the engine 7 is farther rearward than the front wall 4 c of the threshing device 4. It may be configured to be positioned.

[11 of another embodiment]
In said embodiment, the thing of the structure by which the whole lower surface side of the threshing apparatus 4 is illustrated is illustrated, and the threshing apparatus 4 is arranged at the position where the rear wheel transmission shaft 24 is removed from the lower surface of the threshing apparatus 4. Although the structure of the structure that facilitates maintenance in the open state on the lower surface side of the is shown, it is not limited to such a structure. For example, in the structure in which a part of the lower surface side is partially opened rather than the entire lower surface side of the threshing device 4, the rear wheel transmission shaft 24 exists at a position deviated from the open area on the lower surface side. You may make it arrange | position so.
Other configurations may be the same as those in the above-described embodiment.

[12 of another embodiment]
In the above-described embodiment, the outer cover 9 is structured so as to be able to swing open and close around the swing fulcrums z2 and z3 along the front-rear direction. However, the present invention is not limited to this. A swing fulcrum along the vertical direction may be provided on the front side or the rear side of the machine body so that the swing can be opened and closed around the swing fulcrum along the vertical direction.
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.

1 body frame 2 traveling device 2F front wheel (front traveling part)
2R rear wheel (rear running part)
DESCRIPTION OF SYMBOLS 3 Transmission 4 Threshing device 4A Handling room 4a Side wall 4b Top plate 5 Glen tank 7 Engine 8 Fuel tank 80a Side surface 9 Exterior cover 12 Support leg part 14a Support arm 49 Second reduction device 70 Radiator 80a Side surface y2 Oscillation axis z2 , Z3 Oscillation fulcrum z4 Horizontal axis z5 Oscillation axis

Claims (6)

  The vehicle body frame is supported by a traveling device having a pair of left and right front traveling units and a pair of left and right rear traveling units, and an engine is disposed on the right or left side of the threshing device provided on the vehicle body frame. The combine which arrange | positions the transmission which changes the motive power transmitted from the said engine side, and is output to the said front travel part by the front side of the said threshing apparatus.   The combine of Claim 1 by which the radiator is arrange | positioned in the location which left | separated in the front-back direction from the said engine in the side part of the said threshing apparatus.   The combine according to claim 1 or 2, wherein a grain tank for storing grain is disposed at a position above the engine.   The combine according to claim 3, wherein a power input section of the Glen tank is disposed at an upper position of the engine.   A counter shaft for transmitting the power of the engine from one side where the engine is disposed on the lateral side of the threshing device to the other side of the threshing device is provided on the other side of the threshing device. The combine as described in any one of Claims 1-4 comprised so that an engine motive power may be transmitted to the said threshing apparatus via the made power transmission part.   A first output shaft connected to the transmission system to the front traveling unit located on the left and right of the transmission, in the transmission case, the transmission being disposed between the front traveling units; A second output shaft connected to a transmission system to the rear traveling unit is supported, and a drive transmission tool for transmitting power from the second output shaft to the rear traveling unit is provided along a lateral side surface of the threshing device. The combine as described in any one of Claims 1-5 arrange | positioned in the front-back direction.

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