WO2020137976A1 - Harvester - Google Patents

Abstract

A harvester provided with: a body frame 10: a threshing device D, which is supported on the body frame 10 and is for threshing a harvested crop; a grain tank E, which is supported on the body frame 10, is disposed side-by-side with the threshing device D in the left-right direction of the body frame, and is for storing grain obtained from the threshing device D; and a fuel tank 40, which is supported on the body frame 10 and is disposed on the back part of the body between the grain tank E and the threshing device D. The fuel tank 40 has a shape that extends above the upper end of a sheave case 110 of the threshing device D.

Description

Harvester

The present invention relates to a harvesting machine.

[First background art]
Japanese Unexamined Patent Publication No. 2012-90556 describes a combine in which a fuel tank is provided behind the Glen tank.

[Second background art]
Japanese Unexamined Patent Application Publication No. 2016-49095 discloses a combine at a rear position of the Glen tank, which is provided with an auxiliary fueling stand on which a refueling container can be placed when refueling the fuel tank.

Japanese Patent Laid-Open No. 2012-90556 JP, 2016-49095, A

[First problem]
It is required to increase the capacity of the fuel tank in order to extend the operation time of the combine, reduce the frequency of refueling, and improve the work efficiency. When increasing the capacity of the fuel tank, it is not preferable to increase the bottom area because the body frame also increases in size. Further, in the combine of the above-mentioned first background art, the fuel tank is arranged behind the Glen tank, but in order to increase the bottom area of the fuel tank while keeping the size of the fuselage frame, the Glen tank should be small. Must be done, which reduces the storage capacity of the grain. In view of the above-mentioned circumstances, an object of the present invention is to realize a harvester capable of arranging a large-capacity fuel tank while avoiding an increase in the size of a machine body frame and a reduction in the amount of grains that can be stored. It is in.

[Second task]
In the combine of the second background art described above, the refueling auxiliary stand is provided so as to project from the unloader to the fuel tank side, and the refueling container can be placed. Here, when refueling the fuel tank from the refueling container, it is convenient to have a lid removed from the refueling container or a place for placing a waste cloth for wiping off the overflowing fuel. Further, if the flat space of the refueling auxiliary base is large, a larger refueling container can be placed, and the number of refueling operations is reduced, which is convenient. In these respects, there is room for improvement in the combine fueling auxiliary stand described in Patent Document 1. In view of the above-mentioned situation, an object of the present invention is to provide means for enhancing convenience during refueling.

As a means for solving the above-described first problem, the combine of the present invention is a machine frame, supported by the machine frame, a threshing device for threshing harvested crops, and supported by the machine frame, and The threshing device and the machine body are arranged side by side in the left-right direction, a storage unit that stores the grain obtained by the threshing device, and is supported by the machine body frame, and, in the rear part of the machine body, the storage unit and the threshing device. And a fuel tank disposed between the fuel tank and the fuel tank, wherein the fuel tank has a shape extending to an upper side of an upper end of a sheave case included in the threshing device.

　The sheave case included in the swing selection device of the threshing device is placed below the handling cylinder. Below the sheave case, a collection unit for collecting threshed grains is provided. Then, the sheave case is arranged at a relatively high position in the threshing device. According to the above configuration, since the fuel tank has a shape extending above the upper end portion of the sheave case, the vertical length of the fuel tank increases, and the bottom area of the fuel tank does not increase so much. It is possible to increase the capacity. That is, it is possible to dispose a fuel tank having a large capacity while avoiding an increase in the size of the body frame and a decrease in the storable amount of grain.

In the present invention, it is preferable that the fuel tank has a shape extending to a rear side of a rear end of a handling cylinder provided in the threshing device.

With this configuration, the space between the storage unit and the threshing device can be effectively used to increase the length of the fuel tank in the front-rear direction and increase the capacity of the fuel tank.

In the present invention, the fuel tank includes a mounting portion disposed behind the storage portion and capable of mounting a refueling container when refueling the fuel tank, the fuel tank including a tank body and a refueling portion. It is preferable that the container mounting surface of the portion is located below the upper end of the tank body and above the upper end of the sheave case.

If the mounting position is too high, it will be difficult to place a heavy refueling container on the mounting part, and the risk of falling will increase. If the position of the mounting portion is too low, it becomes difficult to transfer the fuel from the refueling container to the fuel tank, and the work efficiency decreases. According to the above configuration, the position of the mounting portion is at an appropriate height, and workability and safety are compatible with each other, which is preferable.

In the present invention, it is preferable that the fuel tank includes a tank main body and an oil filler, and the oil filler extends right above a rear end of the tank main body.

With this configuration, the refueling unit is provided at the rear end of the tank body, which makes it easier for the worker to stand on the rear side of the machine and perform refueling work. Further, since the oil supply portion extends right above, it is easy to insert an oil supply pipe or the like, which is preferable.

In the present invention, the storage portion includes a lower constriction portion having a lower constriction shape, and is recessed inside the storage portion at a lower portion of a wall surface of the lower constriction portion on a side facing the fuel tank. It is preferable that the recessed portion is provided, and the fuel tank is arranged such that the upper end thereof enters the recessed portion.

With this configuration, since the fuel tank is arranged so as to enter the recessed portion, the vertical length of the fuel tank is increased and the capacity of the fuel tank is increased while ensuring the volume of the storage portion. be able to.

In the present invention, a grain discharging device that is connected to a rear end portion of the storage portion and that raises and conveys the grain stored in the storage portion, and a mounting container on which a refueling container can be placed when refueling the fuel tank. And a storage section, the storage section is swingable around an axis along a direction in which a vertical transport cylinder of the grain discharging device extends, and the fuel tank is rearward of a rear end of the storage section. It is preferable that the mounting portion includes a protruding portion that protrudes to the side, and the placing portion is disposed between the protruding portion and the vertical transport cylinder in a plan view.

With this configuration, since the mounting portion is arranged between the protruding portion of the fuel tank and the vertical transport cylinder, the length of the fuel tank in the front-rear direction can be increased to secure the capacity and at the time of refueling work. The convenience of is improved. In addition, the space on the rear side of the rear end portion of the storage portion can be effectively utilized, which is preferable.

In the present invention, it is preferable that the storage section includes an outlet that discharges the stored grains downward, and the fuel tank includes a projecting section that projects rearward from a rear end of the storage section. ..

According to this configuration, in a so-called hopper type harvester having a discharge port, the fuel tank has a protruding portion that protrudes rearward from the rear end of the storage portion, so that the length of the fuel tank in the front-rear direction is increased. As a result, the capacity of the fuel tank can be increased.

In the present invention, a mounting portion disposed behind the storage portion and capable of mounting a refueling container when refueling the fuel tank, and a step portion provided so as to project from the storage portion to the outside of the machine body in plan view. It is preferable that the step portion includes a step protrusion protruding rearward from the storage portion, and a balance weight disposed between the step protrusion and the protrusion.

With this configuration, the balance weight is arranged between the step projection of the step section and the projection of the fuel tank, so that the space efficiency behind the storage section can be improved.

In the present invention, it is preferable that the mounting portion is located above the balance weight.

With this configuration, since the mounting part is located above the balance weight, the space efficiency behind the storage part can be further improved.

In the present invention, it is preferable to include a fall suppressing portion that is provided behind the fuel tank and that suppresses the fuel tank from falling.

　If the vertical height of the fuel tank is increased, the center of gravity of the fuel tank will be higher and the possibility of tipping over will increase. According to the above configuration, the overturn suppressing portion can prevent the fuel tank from overturning. Further, since the fall suppressing portion is arranged behind the fuel tank, contact with the fuel tank from the rear is suppressed, and damage to the fuel tank can be suppressed.

In the present invention, it is preferable that the fall suppressing portion includes a vertical frame that is erected on the machine body frame and a tank contact portion that is supported by the vertical frame.

With this configuration, it is preferable that the fall prevention unit can be realized with a simple configuration. Further, since the tank contact portion is supported by the vertical frame, the tank contact portion contacts the tank at a relatively high position, so that the fuel tank can be effectively prevented from falling.

As a means for solving the above-mentioned second problem, the combine of the present invention is provided by a threshing device for threshing harvested crops, the threshing device and the threshing device which are arranged side by side in the lateral direction of the machine body. Between the threshing device and the storage section, the storage section for storing the grains, a fuel tank arranged in a state where the rear end portion projects rearward from the rear end section of the storage section, and the storage section A grain discharging device that is connected to the rear end of the storage unit and that raises and conveys the grain stored in the storage unit; and a mounting unit that can mount a refueling container when refueling the fuel tank. The placing unit projects from the outer peripheral portion of the grain discharging device toward the fuel tank side and projects rearward from the outer peripheral portion of the grain discharging device.

With this configuration, since the placing part projects rearward from the outer peripheral part of the grain discharging device, the space for putting the refueling container and the like becomes large, and the convenience during refueling can be enhanced. For example, it is possible to place a lid or waste cloth removed from the oil supply container on the mounting portion. For example, a large refueling container or a refueling container having a large width or depth can be stably placed on the mounting portion.

In the present invention, it is preferable that the mounting portion is located below the upper end of the main body of the fuel tank and above the upper and lower central parts of the main body of the fuel tank.

If the mounting position is too high, it will be difficult to place a heavy refueling container on the mounting part, and the risk of falling will increase. If the position of the mounting portion is too low, it becomes difficult to transfer the fuel from the refueling container to the fuel tank, and the work efficiency decreases. According to the above configuration, the position of the mounting portion is at an appropriate height, and workability and safety are compatible with each other, which is preferable.

In the present invention, a support frame that supports the placing portion, a swivel drive mechanism that is supported by the support frame, and that swivels and drives the vertical transport cylinder of the grain discharging device around the axis of the vertical transport cylinder, A side cover body that is supported by a support frame and covers the turning drive mechanism; and the mounting portion has a shape that conforms to the shape of the upper end portion of the side cover body, and the upper end of the side cover body. It is preferable that it is supported by the section.

With this configuration, the placing portion does not protrude from the side cover body, and the placing portion has a shape as large as possible at the upper end portion of the side cover body. And the convenience of the mounting part is improved.

In the present invention, it is preferable that the support frame is disposed between the grain discharging device and the fuel tank, and the placement unit is supported from below by a stay protruding from the support frame. is there.

With this configuration, the mounting portion can be reliably supported, and therefore, it is preferable that the refueling container can be safely mounted on the mounting portion.

In the present invention, it is preferable that the support frame includes a drive support portion that supports the turning drive mechanism, and a lower end portion of the side cover body is supported by the drive support portion.

　The drive support has high rigidity because it reliably supports the turning drive mechanism. According to the above configuration, since the side cover body is supported by the drive support portion having high rigidity, the support of the mounting portion becomes strong, and the refueling container can be safely mounted on the mounting portion. It is possible and preferable.

It is a right view of the whole normal type combine. It is a top view of the whole normal type combine. FIG. 4 is a right side view showing the positional relationship between the fuel tank and the grain tank or threshing device installed on the machine body frame. FIG. 6 is a rear view showing the positional relationship between the fuel tank and the grain tank or threshing device installed on the machine body frame. FIG. 5 is a sectional view taken along line VV in FIG. 4. It is a partial enlarged view in rear view showing a support structure of a grain tank and a grain discharge device. It is a left side view and a rear view of a Glen tank. It is an exploded perspective view showing a support structure of a grain tank and a grain discharge device. It is a right view of the normal type combine with a storage hopper. It is a top view of a normal type combine with a storage hopper. It is a rear view which shows the positional relationship of the storage hopper and the threshing apparatus which were installed on the body frame, and a fuel tank. It is a left side view showing a support structure of a fuel tank. FIG. 6 is a rear view showing the positional relationship between the fuel tank and the grain tank or threshing device installed on the machine body frame. It is a right view of a Glen tank. It is a top view of a cover. FIG. 15 is a sectional view taken along line XVI-XVI of FIG. 14. It is a front view of a Glen tank. FIG. 15 is a sectional view taken along line XVIII-XVIII in FIG. 14.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The direction of [F] shown in each drawing is the "front side" of the aircraft of the normal combine, the direction of [B] is the "rear side" of the aircraft, the direction of [L] is the "left side" of the aircraft, and the direction of the [R]. Will be defined as the "right side" of the aircraft.

〔overall structure〕
FIG. 1 and FIG. 2 show an ordinary combine harvester as an example of a harvester.
This ordinary combine has a self-propelled aircraft A that travels with a pair of left and right crawler traveling devices 1. The self-propelled machine A is provided with a driving section B and a pre-mowing treatment device C at its front position. Then, at the rear position of the self-propelled aircraft A, a whole culm throwing type threshing device D into which the grain culms cut by the pre-crop treatment device C are sent, and a grain tank E for storing grains supplied from the threshing device D. (Example of "reservoir") and a grain discharging device F for discharging the grains stored in the grain tank E to the outside of the machine. Further, a fuel tank 40 is provided on the body frame 10 at a position corresponding to a portion between the grain tank E and the threshing device D at the rear end of the self-propelled body A.

[Driving section]
An engine 3 mounted on a body frame 10 is arranged below the driver's seat 2 of the driver B, and a driving force from the engine 3 is transferred to the left and right crawlers at the center of the front part of the self-propelled body A. A mission case 4 that communicates with the device 1 is provided above and below the body frame 10. The mission case 4 is provided with a continuously variable transmission (not shown) that continuously changes the driving force from the engine 3, and a steering clutch (which interrupts the driving force transmitted to the left and right crawler traveling devices 1). (Not shown) is built in.

The driver B is provided with a box-shaped engine cover 11 that covers the upper side of the engine 3, and a driver seat 2 is provided on the upper surface of the engine cover 11. An intake case 11A is formed on the outer side of the engine cover 11, and an intake part 11B is provided on the outer surface of the intake case 11A.
A control tower 12 is provided upright in front of the driver's seat 2, and an operation tool for controlling the steering of the self-propelled aircraft A and an operation tool for controlling the raising and lowering of the reaping pretreatment device C are provided on the upper surface side of the control tower 12. An operation lever 13 that also serves as a lever is provided so as to be swingable in the front and rear and in the left and right.
As shown in FIGS. 1 and 2, a side panel 14 is provided on the left side of the driver's seat 2 so as to extend rearward from the left lateral end position of the control tower 12. A main gear shift lever 15A and a sub gear shift lever 15B are provided on the upper surface 14A of the front end portion of the side panel 14 as a gear shift operation tool 15 for controlling the traveling speed of the self-propelled aircraft A.

Then, on the upper surface 14A side of the side panel 14, a threshing clutch lever 16A and a reaping clutch lever 16B are provided as a working clutch lever 16 in a position rearward of the speed change operation tool 15 in a state where they are arranged side by side. The threshing clutch lever 16A and the reaping clutch lever 16B are operated by turning the threshing clutch lever 16A back and forth to turn on and off a threshing clutch (not shown) in the threshing device D, and by moving the cutting clutch lever 16B forward and backward. The pretreatment device C is configured to perform an on/off operation of a mowing clutch (not shown).
Further, a discharge clutch lever (not shown) is provided on the side panel 14 on the rear side of the threshing clutch lever 16A and the reaping clutch lever 16B. The discharge clutch lever allows the discharge of the driving force from the engine 3 to the bottom screw 21 of the glen tank E by connecting and disconnecting the discharge clutch G (see FIG. 1) to allow the grain discharging device F to discharge the grain. It is an operation tool for switching between a state of turning on and a state of stopping grain discharge.

[Crimping device]
The pre-cutting apparatus C is configured to scrape up the tip end side of the planted grain culm by the rotation operation of the reel 5 and cut the root of the grain culm with the cutter 6. The cut grain culms (cutted grain culms) are laterally fed by the lateral feed auger 7 and collected near the entrance of the feeder 8. The whole culm is fed backward by the feeder 8 and fed to the threshing device D.
Further, the pre-mowing treatment device C is configured to be vertically swingable around a horizontal axis (not shown) on the rear end side of the feeder 8. The vertical swing of the feeder 8 is performed by an actuator 18 such as a hydraulic cylinder provided across the machine body frame 10 and the lower portion of the feeder 8. The cutting height of the grain culm can be adjusted by setting the swing amount by the operation of the actuator 18.

The scraping reel 5 disposed above the front end of the feeder 8 swings the front side up and down around a swinging fulcrum (not shown) on the rear end side so that the scraping height position with respect to the feeder 8 is increased. Is configured to be changeable. By changing the relative height of the scraping reel 5 with respect to the feeder 8 in this manner, the scraping height with respect to a crop to be cut such as a planted grain culm can be changed without changing the cutting height. The height position of the take-in reel 5 is changed by expanding and contracting a reel elevating device (not shown) including a hydraulic cylinder interposed between the reel 8 and the upper portion of the feeder 8. The raising/lowering operation by the reel raising/lowering device is performed by a command from an operation input unit such as a push button switch (not shown) provided on the grip of the operation lever 13.

[Thrusher]
The threshing device D includes an axial-flow-type handling barrel 100 that is driven and rotated about an axis of a posture along the front-rear direction of the self-propelled machine A so as to perform a handling process of the harvested culm supplied to the handling room, and a handling process. An oscillating sorting device (not shown) for oscillating sorting of grains from the processed product obtained by the above is provided. The swing selection device includes a frame-shaped sheave case 110 formed in a rectangular shape in a top view. The sheave case 110 is swingably driven by an eccentric cam type driving unit (not shown).
In this swing sorting device, the first one of the sorted grains is supplied to the grain tank E by the fried device 9, and the second one is the handling chamber in which the handling cylinder 100 is swung by the second reducing device 19. It is returned to (not shown), and the straw debris other than the grains falls and is discharged from the rear part of the swing sorting device to the rear of the self-propelled aircraft A.

[Glen tank]
The Glen tank E includes a tank body 20 for storing the grains supplied from the grain lifting device 9.
The tank body 20 has a front wall 20a facing the front of the machine, a rear wall 20b facing the rear of the machine, and a left lateral wall 20c facing the left side of the machine in the storage attitude of the self-propelled machine A. It has a right lateral wall 20d facing the right side which is the outer side of the machine body, and is formed in a substantially rectangular box shape. Further, the tank body 20 has a work posture (the posture shown by the solid line in FIG. 2) stored in the self-propelled aircraft A by turning around the vertical axis Y in the vertical posture at the rear position of the self-propelled aircraft A, and It is supported so as to be switchable in an inspection posture (a posture indicated by an imaginary line in FIG. 2) protruding laterally from the traveling body A.
The vertical axis Y, which is the turning center of the grain tank E, is configured to coincide with the cylinder axis of the vertical transport cylinder 31 included in the grain discharging device F provided on the rear surface side of the tank body 20.

As shown in FIGS. 1 to 4, the grain tank E is provided with a bottom screw 21 at the bottom of the tank body 20 for sending the grains stored in the tank body 20 rearward.
Most of the bottom wall 20A of the tank main body 20 is such that the grains supplied from the grain lifting device 9 in the working posture in which the tank main body 20 is housed in the self-propelled aircraft A are on the bottom center side in the left-right direction of the tank main body 20. It is formed in a tapered inclined surface that becomes lower toward the center side in the left-right direction so that it can be collected. Due to such a structure, the bottom screw 21 is arranged at a substantially central position of the tank body 20 in the left-right direction.
The inclined surface of the bottom wall 20A is set to an inclination angle such that the grain can slide down toward the bottom screw 21 under its own weight. A portion including the bottom wall 20A formed on such an inclined surface corresponds to a downwardly narrowed inclined portion in the lower portion of the Glen tank E. A recessed portion 22 described later is formed on this inclined portion.

The bottom screw 21 has a screw shaft 21</b>A having a front end protruding forward of the front wall 20 a of the tank body 20. The driving force from the engine 3 is intermittently connected to the front end of the screw shaft 21A so that the driving force from the engine 3 is transmitted through the discharge clutch G (see FIG. 1) provided on the transmission side. It is configured to be possible.
The rear wall 20b of the tank body 20 is provided with a discharge cylinder portion 23 for sending the grains sent from the bottom screw 21 to the grain discharge device F so as to project rearward. The rear end portion of the discharging cylinder portion 23 is bent upward, and the lower end side of the vertical conveying cylinder 31 of the grain discharging device F is connected to the upward end surface thereof.
The bevel gear 31Aa provided at the rear end of the screw shaft 21A of the bottom screw 21 is meshed with the bevel gear 31Aa at the lower end of the vertical screw shaft 31A provided inside the vertical transport cylinder 31 to transmit power. It is configured. As a result, the grains are carried out from the bottom screw 21 to the vertical transport cylinder 31 side of the grain discharging device F.

[Grain discharging device]
The grain discharging device F is configured by including a straight tubular vertical transport cylinder 31 which is erected upward and a horizontal transport cylinder 32 connected to the upper end of the vertical transport cylinder 31. The horizontal transport cylinder 32 is configured to be swingable left and right around the vertical axis Y along with the vertical transport cylinder 31 and to be undulated and swingable around the horizontal horizontal axis X.
The vertical conveying cylinder 31 internally houses the vertical screw shaft 31A, and constitutes an upward vertical conveying path for ascending and conveying the grains fed from the rear end of the bottom screw 21. The horizontal transport cylinder 32 connected to the upper end of the vertical transport cylinder 31 has a horizontal screw shaft 32A inside, and the grains inherited from the upper end of the vertical transport cylinder 31 are transferred to the outside of the machine such as in the horizontal direction. A lateral lateral transport path for transporting toward the side is configured.

In the grain discharging device F, the vertical conveying cylinder 31 is connected to the discharging cylinder portion 23 of the grain tank E so as to be rotatable about a vertical axis Y along the cylinder axis of the vertical conveying cylinder 31. .. The turning operation of the vertical transport cylinder 31 about the vertical axis Y is performed by the turning drive mechanism 30.
As shown in FIGS. 3 to 6, the swivel drive mechanism 30 includes a swivel gear portion 31a provided on the outer periphery of the lower end portion of the vertical transport cylinder 31, a pinion gear 33a meshing with the swivel gear portion 31a, and a pinion gear 33a. The electric motor 33 for driving is provided.
The electric motor 33 is supported by a support frame 50 erected from the machine body frame 10 via a drive support portion 54, and the pinion gear 33a provided on the output shaft of the electric motor 33 has the turning gear portion 31a. It is assembled so as to mesh with. As a result, with the forward or reverse rotation of the electric motor 33, the horizontal transport cylinder 32 of the grain discharging device F is configured to be capable of turning clockwise or counterclockwise about the vertical axis Y.
Further, the up-and-down swing of the horizontal transport cylinder 32 around the horizontal horizontal axis X is configured to be performed by the expansion and contraction operation of the hydraulic cylinder 34 provided between the horizontal transport cylinder 32 and the upper portion of the vertical transport cylinder 31.

[Fuel tank]
As shown in FIGS. 2 to 6, the fuel tank 40 is arranged between the Glen tank E and the threshing device D on the body frame 10 at the rear end of the self-propelled body A. The fuel tank 40 includes a tank body 41 and an oil filler 42. The tank body 41 is fixed to the machine body frame 10 by a mounting band 43. The oil filler 42 has a cylindrical shape, is provided at the rear end of the tank body 41, and extends right above the upper surface 41 c of the tank body 41. The central axis 42a of the oil filler 42 is located rearward of the rear end of the threshing device D as shown in FIG. 5, and rightward of the left lateral wall 20c of the Glen tank E as shown in FIG. Is located in.

The tank body 41 has a substantially rectangular parallelepiped shape. The width of the tank body 41 in the left-right direction of the machine body is smaller than the length and height in the machine body front-rear direction, and is smaller than half the length and height of the machine body front-rear direction.

As shown in FIG. 1, the tank body 41 is located on the rear side of the second reducing device 19.
The front surface 41a of the tank body 41 is located near the rear end of the second reducing device 19 of the threshing device D.
That is, the front end of the tank body 41 is located near the rear end of the second reducing device 19 of the threshing device D in the front-rear direction.

As shown in FIG. 2, the rear surface 41b of the tank body 41 is located rearward of the rear end of the handling barrel 100 of the threshing device D, and as shown in FIGS. It is located rearward of the rear end portion, rearward of the rear wall 20b of the Glen tank E, and rearward of the rear end portion of the machine body frame 10. That is, the tank main body 41 extends to the rear side of the rear end of the handling cylinder 100 included in the threshing device D, extends to the rear side of the rear end of the threshing device D, and extends rearward of the rear wall 20b of the Glen tank E. And extends to the rear side of the rear end of the machine body frame 10.

As shown in FIG. 4, the upper surface 41c of the tank main body 41 is located above the upper end of the sheave case 110 included in the threshing device D, and as shown in FIGS. It is located above the upper surface 61a (described later) and above the upper end of the electric motor 33 of the turning drive mechanism 30. That is, the tank main body 41 extends above the upper end portion of the sheave case 110 included in the threshing device D, extends above the upper surface 61a of the placing portion 60 (described later), and the upper end of the electric motor 33 of the swivel drive mechanism 30. It extends above the part.

[Glen tank recessed structure]
The recessed portion 22 of the Glen tank E is formed as shown in FIGS. 4 to 7.
As shown in FIG. 4, the tank body 20 of the Glen tank E includes a lower constricted portion 20f having a lower constricted shape. A recessed portion 22 that is recessed into the inside of the grain tank E is provided in the lower portion of the bottom wall 20A on the side of the lower constriction 20f that faces the fuel tank 40.

FIG. 7 shows a tank body 41 of the Glen tank E, a left side view of the tank body 41 is shown on the left side, and a rear view of the tank body 41 is shown on the right side. A left side view and a rear view of the upper end and the lower end of the tank body 41 and the upper end and the lower end of the recessed portion 22 are connected by a chain line. As shown in FIG. 7, the length of the recess 22 in the front-rear direction is about 1/3 of the length of the tank body 20 in the front-rear direction. The recessed portion 22 is formed in a range from an intermediate position in the vertical direction of the bottom wall 20A, which corresponds to the inclined portion of the downward constriction, to a little above the upper edge of the bottom wall 20A in the vertical direction. There is.

That is, the recessed portion 22 is formed across the bottom wall 20A on the left side of the tank body 20 and the left lateral wall 20c slightly above the bottom wall 20A. The recessed portion 22 is surrounded on the front side, the upper side, and the right side by three wall surfaces of a recessed front wall 22a located at the front end thereof and a recessed slanting wall 22b and a recessed lateral wall 22c located on the rear side thereof. The rear side, the left lateral side, and the lower side are recessed portions that are open.

The recessed front wall 22a is continuous with the bottom wall 20A on the left side of the tank body 20 and the left lateral wall 20c slightly above the bottom wall 20A so as to intersect with the recessed inward portion of the tank body 20. The front end sides of the wall 22b and the recessed lateral wall 22c are continuous.

The recessed slanted wall 22b is such that the front end side is connected to the recessed front wall 22a, the rear end side is connected to the rear wall 20b of the tank body 20, the upper end side is connected to the left lateral wall 20c, and the lower end side is connected to the recessed lateral wall 22c. It is provided.

The front side of the recessed lateral wall 22c is continuous with the front wall 22a of the recessed portion, the rear end side thereof is continuous with the rear wall 20b of the tank body 20, the upper end side thereof is continuous with the lower edge of the inclined slant wall 22b, and the lower end side thereof is the left bottom wall. It is provided in a state of being connected to 20A.

As shown in FIGS. 3 to 6, the upper end of the recess 22 is located higher than the upper surface 41c of the fuel tank 40. Therefore, the fuel tank 40 is arranged such that the upper end thereof enters the recess 22.

The inclination angle of the recessed inclined wall 22b is set to be approximately the same as the inclination angle of the bottom wall 20A, and is set so that the grain contacting the inner surface of the tank body 20 can slide off under its own weight. There is. The recessed lateral wall 22c is formed on a surface along a vertical line that is substantially parallel to the left lateral wall 20c of the tank body 20.

[Support structure]
A support structure for supporting the grain tank E and the grain discharging device F will be described.
As shown in FIGS. 3 to 6 and 8, the support structure includes a support frame 50 that is erected on the body frame 10.
The support frame 50 includes a vertical columnar portion 51 formed of a rectangular tubular member in a rectangular columnar shape, a mounting seat plate 52 for attaching to the body frame 10 provided on the lower end side, and a grain provided on the upper end portion of the vertical columnar portion 51. It is provided with a grain discharging device connecting portion 53 and a threshing connecting portion 56, and a drive support portion 54 provided at an intermediate position in the vertical direction of the vertical columnar portion 51. In the support frame 50 thus configured, the vertical columnar portion 51 is fixed to the machine body frame 10 in an upright posture by bolting the mounting seat plate 52 at the lower end to the machine body frame 10.

At the upper end of the vertical column 51, a horizontal frame 55 for connection to the threshing device D is bolted to the left side near the upper end of the vertical column 51, as shown in FIG. Are fixed integrally with the threshing device D via a horizontal frame 55.
On the right side near the upper end of the columnar portion 51, the grain discharging device F is supported via the grain discharging device connecting portion 53. As shown in FIGS. 3, 4 and 8, the grain discharging device connecting portion 53 has a first attachment piece 53A welded and fixed in a state of extending from the right side of the vertical columnar portion 51 toward the rear side, A second mounting piece 53B, which faces the first mounting piece 53A on the right side and sandwiches the vertical transport cylinder 31 between the first mounting piece 53A and the first mounting piece 53A, is provided.

The drive support portion 54 provided at a midway position of the vertical columnar portion 51 is configured as follows.
That is, as shown in FIGS. 6 and 8, a mounting bracket 54A is extended horizontally in a horizontal direction at a middle position of the vertical columnar portion 51, and a mounting base 54B of the turning drive mechanism 30 is bolted to the mounting bracket 54A. There is. An electric motor 33 that constitutes the turning drive mechanism 30 and a pinion gear 33a that meshes with the turning gear portion 31a of the vertical transport cylinder 31 are attached to the mounting base 54B.
Therefore, by mounting the turning drive mechanism 30 to the mounting base 54B so that the pinion gear 33a of the electric motor 33 meshes with the turning gear portion 31a of the vertical transport cylinder 31, the grain discharging device is driven by the electric motor 33. It is possible to arrange F so that it can be swiveled around the vertical axis Y.

[Mounting part, side cover body]
As shown in FIGS. 3 to 6 and 8, the mounting portion 60 is attached to a position above the drive support portion 54 at an intermediate position of the vertical columnar portion 51. As shown in FIG. 3, the mounting portion 60 is configured to be capable of mounting the refueling container 120 when refueling the fuel tank 40.

The mounting portion 60 is a flat plate-shaped member, and projects from the outer peripheral portion of the grain discharging device F to the fuel tank 40 side (left side), and projects rearward from the outer peripheral portion of the grain discharging device F. .. As shown in FIGS. 4 and 5, the left side portion of the mounting portion 60 covers the turning drive mechanism 30 from above. As shown in FIG. 5, the right side portion of the mounting portion 60 extends to the left side with respect to the vertical transport cylinder 31 of the grain discharging device F. The placing portion 60 includes an arc-shaped portion 60a that covers the rear side portion of the outer peripheral surface of the vertical conveying cylinder 31 of the grain discharging device F from the rear side.

As shown in FIG. 4, the mounting portion 60 is located below the upper end portion (upper surface 41c) of the tank body 41 of the fuel tank 40, and from the upper and lower central portions of the tank body 41 of the fuel tank 40. Is also on the upper side. The placing portion 60 is located above the upper end of the sheave case 110 of the threshing device D.

As shown in FIG. 5, the fuel tank 40 includes a protrusion 41d that protrudes rearward from the rear end of the Glen tank E. The mounting portion 60 is disposed between the protruding portion 41d of the fuel tank 40 and the vertical transport cylinder 31 in plan view.

The side cover body 35 is connected to the lower surface of the mounting portion 60. The side cover body 35 is formed by bending a plate-shaped member. The mounting portion 60 and the side cover body 35 are connected by welding to form an integral member. The mounting portion 60 is supported by the upper end portion of the side cover body 35.

As shown in FIGS. 5 and 8, the shape of the upper end portion of the side cover body 35 matches the shape of the outer peripheral portion of the mounting portion 60. That is, the mounting portion 60 has a shape that conforms to the shape of the upper end portion of the side cover body 35.

As shown in FIG. 5, the side cover body 35 covers the vertical transfer cylinder 31 of the grain discharging device F from behind and also obliquely from behind and right. The side cover body 35 covers the turning drive mechanism 30 from the rear, obliquely rearward from the left, and covers from the left.

The mounting portion 60 and the side cover body 35, which are an integral member, are supported by the support frame 50 with the configuration described below. As shown in FIG. 8, a stay 57 is welded and fixed between the drive support portion 54 and the threshing connection portion 56 in the intermediate portion of the support frame 50. As shown in FIGS. 6 and 8, the mounting portion 60 is supported from below by a stay 57 protruding from the support frame 50. The mounting portion 60 is detachably attached to the stay 57 with a bolt.

As shown in FIG. 8, a mounting bracket 59 is welded and fixed between the drive support portion 54 and the stay 57 in the middle portion of the support frame 50. As shown in FIGS. 6 and 8, the side cover body 35 is detachably attached to the attachment bracket 59 by a bolt.

As shown in FIG. 8, the drive support portion 54 includes a stay 54C at the rear end thereof.
As shown in FIG. 5, the side cover body 35 is detachably attached to the stay 54C with a bolt. That is, the lower end portion of the side cover body 35 is supported by the stay 54C of the drive support portion 54.

As described above, the mounting portion 60 and the side cover body 35 are detachably attached to the support frame 50 with bolts.

The right lateral side end of the side cover body 35 is located on the right lateral outer side of the grain discharge device F where the vertical conveying cylinder 31 is present, and the right end side is open. A shield 38 is formed so as to project rearward from the rear wall 20b of the Glen tank E so as to cover the right end side open portion of the side cover body 35 so as to cover the right end side.
The shield 38 has a vertical length slightly shorter than the vertical length of the side cover body 35, and is located below the mounting portion 60. Then, as shown in FIG. 5, in a state where the Glen tank E is positioned in the working posture, the open position on the right end side of the side cover body 35 is located on the right lateral outer side of the position where the vertical transport cylinder 31 exists. It is arranged to cover.
Then, in the state where the Glen tank E is switched to the inspection posture in which the front end side is directed laterally outward around the vertical axis Y, the shield 38 is provided between the outer periphery of the vertical transport cylinder 31 and the inside of the side cover body 35. In the meantime, the posture is changed to a state of diving under the mounting portion 60. Therefore, regardless of the posture change of the Glen tank E, the shield 38 is positioned so as to cover the periphery of the turning drive mechanism 30 together with the side cover body 35.

[Other Embodiments]
[1] An example in which the present invention is applied to a hopper type ordinary combine will be described below with reference to FIGS. 9-11. In the following description, the same components as those in the above-described embodiment are designated by the same reference numerals, and detailed description thereof may be omitted.

The ordinary combine harvester shown in FIGS. 9-11 is provided with a storage hopper H (an example of a “reservoir section”) instead of the Glen tank E. The first grain of the grains selected by the swing sorting device (not shown) of the threshing device D is supplied to the storage hopper H by the grain lifting device 9. The storage hopper H includes a rectangular box-shaped portion 81, a flow-down guide portion 82, and a discharge port 84. Below the storage hopper H, a recovery space 85 for recovering the grains discharged from the storage hopper H is provided. The storage hopper H is supported by the hopper support frame 86.

The rectangular box-shaped portion 81 is a bottomless box-shaped member, and has a substantially rectangular parallelepiped storage space inside. The flow-down guide portion 82 includes three funnel portions 83 having a downward constricted shape. The lower end opening of the rectangular box-shaped portion 81 and the upper end opening of the downflow guide portion 82 are connected, and a space is formed in a state where the inside of the rectangular box-shaped portion 81 and the inside of the downflow guide portion 82 are continuous. .. That is, a storage space for storing grains is formed by the internal space of the rectangular box-shaped portion 81 and the internal space of the flow-down guide portion 82. At the lower ends of the three funnels 83, a discharge port 84 capable of discharging grains downward is formed.

The collection space 85 is provided with a bag holding portion 85a for holding a grain storage bag for storing the grain discharged from the discharge port 84 of the storage hopper H in a vertical posture. Below the storage hopper H, a bag placing table 85b for receiving and supporting a grain storage bag for storing grain is provided. In the collection space 85 as a working space between the storage hopper H and the bag placing table 85b, a grain storage bag is arranged, and the grains flowing down from the discharge port 84 are packed into a bag.

On the right side of the bag placing table 85b, there is provided a step section 89 on which an auxiliary worker who carries out a grain collecting operation can ride. As shown in FIG. 10, the step portion 89 is provided so as to project from the storage hopper H to the outside of the machine body in a plan view. The step portion 89 is supported by the body frame 10 so as to be swingable around the longitudinal swing axis Z at the end on the inner side (left side) of the body, and has a work posture that extends laterally outward from the body and a side inside the body. The swinging posture can be changed between the retracted posture and the retracted posture.

As shown in FIG. 10, the rear end of the step portion 89 is located on the rear side of the vehicle body with respect to the rear right vertical frame 86a and the rear left vertical frame 86b, and is on the rear side of the vehicle with respect to the rear end portion of the storage hopper H. To position. That is, the step portion 89 includes a step protruding portion 89a protruding rearward from the storage hopper H.

Above the storage hopper H, an auxiliary canopy 87 is provided as a shade member that covers the upper side of the work area. The auxiliary canopy 87 can block sunlight for an auxiliary worker who rides on the step portion 89 to work.

The auxiliary canopy 87 is swingably supported by the outer right part of the upper part of the storage hopper H between the used state and the stored state. 11, the auxiliary canopy 87 swings at a position higher than the top plate via a pair of fulcrum brackets 88 attached to the upper right portion of the top plate of the storage hopper H, as shown in FIG. It is swingably supported around the axis X.

The hopper support frame 86 includes a plurality of vertical frames that are erected from the machine body frame 10 at positions corresponding to the front end portion and the rear end portion of the storage hopper H, and a plurality of hopper support frames 86 that are connected across the upper end portions of the plurality of vertical frames. It has a horizontal frame.

In the present embodiment, the mounting portion 60 on which the refueling container 120 can be mounted at the time of refueling the fuel tank 40 includes a round bar-shaped member bent into a substantially rectangular shape in a top view as shown in FIGS. Is formed. The mounting portion 60 is supported by a rear right vertical frame 86a and a rear left vertical frame 86b among the vertical frames of the hopper support frame 86. The mounting portion 60 extends rearward from the rear right vertical frame 86a and the rear left vertical frame 86b. The mounting part 60 is disposed behind the storage hopper H. As shown in FIG. 11, the container mounting surface of the mounting portion 60 is located below the upper end portion of the tank body 41 of the fuel tank 40, and from the upper end portion of the sheave case 110 of the threshing device D. Is also on the upper side.

A guard part 90 for protecting an auxiliary worker who is placed on the step part 89 to perform the grain collecting work, and a handrail 91 which can be grasped and operated by the auxiliary worker who performs the grain collecting work are provided.

The guard part 90 is a U-shaped member, and both ends thereof are supported by the lateral frame of the hopper support frame 86. The guard portion 90 is configured to be vertically swingable between the use state and the stored state. The state of use of the guard part 90 is a state in which the guard part 90 extends beyond the storage hopper H in the lateral direction of the machine body and can receive the body of the worker. The retracted state of the guard part 90 is a state in which the guard part 90 retracts inward in the lateral direction of the machine body and approaches the top plate of the storage hopper H.

The handrail 91 is a rod-shaped member, and both ends thereof are supported by the horizontal frame of the hopper support frame 86.

Balance weights 92 are provided to adjust the weight balance in the front-back direction of the aircraft. The balance weight 92 is arranged between the projecting portion 41 d of the fuel tank 40 and the step projecting portion 89 a of the step portion 89 at the rear end portion of the machine body frame 10. The step projecting portion 89a is a portion projecting rearward of the rear end of the storage hopper H in the fuel tank 40. As shown in FIG. 11, the lower end of the balance weight 92 is located below the lower end of the fuel tank 40. The mounting portion 60 is located above the balance weight 92.

[2] Another embodiment of the fuel tank 40 and the support structure for the fuel tank 40 will be described with reference to FIGS. The fuel tank 40 includes an upper partition plate 93, a lower partition plate 94, a fuel gauge 95, and a fuel sensor 96.

The upper partition plate 93 and the lower partition plate 94 are plate-shaped members that are arranged in an intermediate portion in the front-rear direction inside the tank body 41 of the fuel tank 40 and partition the internal space of the tank body 41.
The upper partition plate 93 extends downward from the upper wall of the tank body 41 and extends to the vicinity of the vertical center of the tank body 41. The lower partition plate 94 extends upward from the lower wall of the tank body 41 and extends to the vicinity of the vertical center of the tank body 41. The upper end of the lower partition plate 94 is located above the lower end of the upper partition plate 93. By arranging the upper partition plate 93 and the lower partition plate 94 inside the tank body 41, it is possible to suppress the fluctuation of the liquid level of the fuel when the tank body 41 rocks.

The fuel gauge 95 is arranged at the upper end of the rear surface 41b of the tank body 41. The fuel gauge 95 includes an upper pipe 95a and a lower pipe 95b communicating with the inside of the tank body 41, and a transparent pipe 95c arranged between the upper pipe 95a and the lower pipe 95b. When refueling the fuel tank 40, if the liquid level of the fuel rises and reaches the height of the lower pipe 95b, the fuel flows into the lower pipe 95b. When the liquid surface of the fuel reaches the height of the transparent tube 95c, the liquid surface of the fuel can be visually recognized. When the fuel tank 40 is provided with the fuel gauge 95, it is possible to visually confirm that the fuel is nearly full when the fuel tank 40 is refueled.

The fuel sensor 96 is a sensor that detects the amount of fuel stored in the fuel tank 40 by detecting the position of the float that moves up and down as the liquid surface of the fuel moves up and down. The fuel sensor 96 is arranged at an intermediate portion in the front-rear direction of the tank main body 41, in the middle in the front-rear direction between the upper partition plate 93 and the lower partition plate 94. In order to protect the fuel sensor 96, the space between the upper partition plate 93 and the lower partition plate 94 is set as small as possible. The output of the fuel sensor 96 is used to notify that the fuel is nearly full when refueling the fuel tank 40. Specifically, the control unit (not shown) receives an output signal from the fuel sensor 96 with the engine key turned on, and the position of the liquid surface indicated by the output signal rises to a full position (for example, when the fuel is in the tank). When it reaches the position (90% of the capacity), the operator is notified (for example, an alarm sound is generated).

The tank body 41 of the fuel tank 40 is fixed to the body frame 10 by a mounting band 43, as shown in FIG. An end portion of the attachment band 43 on the right side of the machine body is fixed to a stay 10a provided on the machine body frame 10 with a bolt. A screw rod 43a is attached to an end portion of the attachment band 43 on the left side of the machine body. Then, the screw rod 43a is inserted into the hole of the stay 10b provided in the machine body frame 10 and is attached to the stay 10b in a position-adjustable state by two nuts. The screw rod 43a is directly attached to the left side surface of the attachment band 43. Therefore, the distance between the central axis of the screw rod 43a and the surface of the mounting band 43 is relatively small. Therefore, the moment generated between the screw rod 43a and the mounting band 43 is reduced, and damage to the fixing portion between the screw rod 43a and the mounting band 43 is suppressed.

A fall prevention unit 97 that prevents the fuel tank 40 from falling is provided. The fall suppression portion 97 is arranged behind the fuel tank 40 in a state of being in contact with the rear end portion of the tank body 41 of the fuel tank 40. The tipping restraint portion 97 includes a vertical frame 98 and a tank contact portion 99. The vertical frame 98 is a member having a U-shaped cross section, and is erected on the machine body frame 10 in a posture extending in the vertical direction. The tank contact portion 99 is supported by the vertical frame 98 in a posture extending in the left-right direction. The left and right ends of the tank contact portion 99 are bent forward outside the fuel tank 40. Cushion members (not shown) are provided at the left and right ends of the tank contact portion 99 in a state where a gap is provided with the surface of the tank body 41 of the fuel tank 40.

When the fuel tank 40 swings in the lateral direction of the machine body, the fuel tank 40 abuts on the cushion member of the tank abutting portion 99 by the fall suppressing portion 97 configured as described above, and the fall suppressing portion 97 causes the fuel tank 40 to move. By supporting 40, the fall of the fuel tank 40 in the left-right direction is suppressed. Further, even when the fuel tank 40 swings in the longitudinal direction of the vehicle body, the fuel tank 40 contacts the front surface of the tank contact portion 99, and the overturn suppressing portion 97 supports the fuel tank 40. The fall in the front-back direction is suppressed.

Further, since the fall suppressing portion 97 is provided at the rear of the fuel tank 40, contact with the fuel tank 40 from the rear is suppressed, and damage to the fuel tank 40 can be suppressed.

The example in which the fall suppression unit 97 is applied to the normal type combine with the Glen tank E has been described above (FIG. 13). However, as shown in FIG. 11, the fall suppression unit 97 is a hopper type normal type combine. It is also possible to apply.

[3] In the above embodiment, an example in which the mounting portion 60 and the side cover body 35 are connected by welding has been described, but the mounting portion 60 and the side cover body 35 can be attached and detached by bolts or the like. May be connected with.

[4] The shapes and support structures of the fuel tank 40 and the mounting portion 60 are not limited to the examples described in the above embodiment.

[5] Another form of the cover that covers the lower portion of the right side surface of the Glen tank E will be described. As shown in FIG. 14, on the right side surface of the Glen tank E, a cover 70 that covers the lower portion of the right side surface of the Glen tank E from the right is arranged. The cover 70 is made of resin, and is lightweight.
The upper surface portion 70a of the cover 70 is formed in a shape that descends to the right when viewed from the right side of the machine body, that is, the front side of the machine body is lower than the rear side of the machine body.

As shown in FIGS. 14 and 15, two recesses 70b are formed in the intermediate portion of the upper surface 70a of the cover 70 in the machine longitudinal direction. Two convex portions 20g are formed at positions corresponding to the two concave portions 70b of the cover 70 in the middle portion of the right lateral wall 20d of the Glen tank E in the machine longitudinal direction. The convex portion 20g extends from the right lateral wall 20d to the bottom wall 20A. When the cover 70 is attached to the Glen tank E, the two convex portions 20g are in the two concave portions 70b, respectively. When the cover 70 is attached to the Glen tank E, the recess 70b of the cover 70 is aligned with the projection 20g of the Glen tank E, so that the cover 70 is aligned with the Glen tank E in the front-rear direction.

A mechanism for fixing the cover 70 to the Glen tank E will be described. As shown in FIGS. 14, 16 and 17, the cover 70 includes two knob bolt attachment portions 70c. One knob bolt attachment portion 70c is provided in each of the front portion of the upper portion of the cover 70 and the rear portion of the upper portion. As shown in FIGS. 16 and 17, two stays 20h are provided in the lower portion of the right lateral wall 20d of the Glen tank E at positions corresponding to the two knob bolt mounting portions 70c.

As shown in FIGS. 14, 16 and 17, the cover 70 includes a stay 70d and a stay 70e. The stay 70d is provided on the rear side of the cover 70 (side surface on the left side of the machine body) on the rear side portion of the lower side portion. The stay 70e is provided on the back side of the cover 70 (side surface on the left side of the machine body) on the front side of the lower side. A support rod 20j is provided at a position corresponding to the stay 70d in the rear portion of the lower portion of the bottom wall 20A of the Glen tank E. A support rod 20m is provided at the right end of the lower front plate 20k of the Glen tank E.

When attaching the cover 70 to the Glen tank E, the stay 70d of the cover 70 is hooked on the support rod 20j of the Glen tank E, and the stay 70e of the cover 70 is hooked on the support rod 20m of the Glen tank E. Then, the knob bolt 71 is screwed into the screw hole of the stay 20h through the through hole of the knob bolt mounting portion 70c. As a result, the upper portion of the cover 70 is fixed to the Glen tank E. Further, the cover 70 can be removed from the Glen tank E by removing the knob bolt 71 from the stay 20h. As described above, the cover 70 is attachable to and detachable from the Glen tank E. When the cover 70 is attached to the Glen tank E, as shown in FIGS. 16 and 17, the head portion of the knob bolt 71 fits into the recess of the knob bolt attachment portion 70c of the cover 70 and protrudes from the right side surface of the cover 70. do not do.

As shown in FIGS. 17 and 18, at the right end of the lower front plate 20k of the Glen tank E, a handle 20n is provided in addition to the support rod 20m. The handle 20n extends in the vertical direction. The support rod 20m extends along the longitudinal direction of the machine body. When changing the tank body 20 of the Glen tank E from the working posture to the inspection posture, it is possible to pull the tank body 20 by holding both the handle 20n and the support rod 20m, so it becomes easier to apply force, and the posture of the Glen tank E is reduced. Changes can be made easily. The support rod 20j is formed thick enough not to bend even if the support rod 20j is held and pulled when pulling out the Glen tank E.

The present invention can be applied to a harvesting machine that harvests crops to be planted while traveling, and can be applied to a self-removing combine and the like in addition to a normal combine.

10: Airframe frame 20f: Lower constricted portion 22: Recessed portion 30: Revolving drive mechanism 31: Vertical transport cylinder 35: Side cover body 40: Fuel tank 41: Tank body 41d: Projection portion 42: Oil supply portion 50: Support frame 54 : Drive support part 57: Stay 60: Placement part 84: Ejection port 89: Step part 89a: Step projection part 92: Balance weight 97: Fall prevention part 98: Vertical frame 99: Tank contact part 100: Handling body 110: Sieve case 120: Refueling container D: Threshing device E: Glen tank (reservoir)
F: Grain discharging device H: Storage hopper (storage unit)

Claims (16)

1. Airframe frame,
   A threshing device supported by the airframe frame for threshing harvested crops,
   A storage unit that is supported by the machine body frame, and is arranged side by side in the machine threshing device and the machine body left-right direction, and stores the grains obtained by the threshing machine,
   A fuel tank that is supported by the machine frame and that is arranged between the storage section and the threshing device at the rear of the machine body,
   The fuel tank is a harvester having a shape that extends to an upper side of an upper end portion of a sheave case included in the threshing device.
2. The harvester according to claim 1, wherein the fuel tank has a shape extending to a rear side of a rear end of a handling cylinder provided in the threshing device.
3. The storage unit is provided behind the storage unit, and includes a mounting unit that can mount a refueling container when refueling the fuel tank,
   The fuel tank includes a tank body and an oil filler,
   The harvester according to claim 1 or 2, wherein the container placement surface of the placement section is located below the upper end of the tank body and above the upper end of the sheave case.
4. The fuel tank includes a tank body and an oil filler,
   The harvester according to any one of claims 1 to 3, wherein the refueling portion extends right above a rear end portion of the tank body.
5. The reservoir includes a lower constricted portion having a lower constricted shape,
   In the lower part of the wall surface of the lower constriction portion on the side facing the fuel tank, a recessed portion that is recessed inward of the storage portion is provided,
   The harvester according to any one of claims 1 to 4, wherein the fuel tank is arranged such that an upper end thereof enters the recessed portion.
6. A grain discharging device that is connected to the rear end of the storage unit and that conveys the grains stored in the storage unit upward.
   A mounting portion on which a refueling container can be mounted when refueling the fuel tank,
   The storage unit is swingable around an axis along the direction in which the vertical transport cylinder of the grain discharging device extends,
   The fuel tank includes a protruding portion that protrudes rearward from a rear end of the storage portion,
   The harvesting machine according to any one of claims 1 to 5, wherein the placing section is arranged between the projecting section and the vertical transport cylinder in a plan view.
7. The storage section includes an outlet for discharging the stored grains downward,
   The said fuel tank is a harvester as described in any one of Claim 1 to 4 provided with the protrusion part which protrudes rearward rather than the rear end of the said storage part.
8. A placing portion disposed behind the storage portion and capable of placing a refueling container when refueling the fuel tank,
   A step portion provided so as to project from the storage portion to the outside of the machine body in a plan view,
   The step portion includes a step protrusion protruding rearward from the storage portion,
   The harvester according to claim 7, further comprising a balance weight disposed between the step protrusion and the protrusion.
9. The harvester according to claim 8, wherein the placing part is located above the balance weight.
10. The harvester according to any one of claims 1 to 9, further comprising a fall prevention unit provided behind the fuel tank and configured to prevent a fall of the fuel tank.
11. The harvester according to claim 10, wherein the tipping restraint section includes a vertical frame that is erected on the machine body frame, and a tank contact section that is supported by the vertical frame.
12. A threshing device for threshing harvested crops,
    Arranged side by side in the left and right direction of the machine with the threshing device, a storage unit for storing the grains obtained by the threshing device,
    Between the threshing device and the storage portion, a fuel tank arranged in a state that the rear end portion projects rearward from the rear end portion of the storage portion,
    A grain discharging device that is connected to the rear end of the storage unit and that conveys the grains stored in the storage unit upward.
    A mounting portion on which a refueling container can be mounted when refueling the fuel tank,
    The said placement part is a harvester which overhangs from the outer peripheral part of the said grain discharge device to the said fuel tank side, and projects backward from the outer peripheral part of the said grain discharge device.
13. 13. The harvesting machine according to claim 12, wherein the mounting portion is located below an upper end portion of the main body of the fuel tank and above a vertical center portion of the main body of the fuel tank.
14. A support frame that supports the placing portion,
    A swivel drive mechanism that is supported by the support frame and swivels the vertical transport cylinder of the grain discharging device around the axis of the vertical transport cylinder,
    A side cover body supported by the support frame and covering the turning drive mechanism,
    The harvesting machine according to claim 12 or 13, wherein the placing portion has a shape that follows the shape of the upper end portion of the side cover body, and is supported by the upper end portion of the side cover body.
15. The support frame is arranged between the grain discharging device and the fuel tank,
    The harvesting machine according to claim 14, wherein the placing section is supported from below by a stay protruding from the support frame.
16. The support frame includes a drive support portion that supports the turning drive mechanism,
    The harvester according to claim 14 or 15, wherein a lower end portion of the side cover body is supported by the drive support portion.
    

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