JP7458447B2 - combine - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to combine harvesters, and more particularly to combine harvester cabins.

For example, there are two types of combine harvesters: a specification without a cabin as shown in Patent Document 1, and a specification including a cabin as shown in Patent Document 2. By the way, at the time of purchase, the user has to select between a cabin-less specification and a cabin-specification, and if the user selects the cabin-less specification at the time of purchase, he or she cannot use a cabin-spec combine unless he or she purchases a new cabin-spec specification. could not.

Japanese Patent Application Publication No. 2013-78275 Unexamined Japanese Patent Publication No. 2008-28

The present invention has been made in consideration of the above circumstances, and its object is to provide a combine harvester in which a cabin-less specification can be changed to a cabin specification afterwards.

The combine harvester according to the present invention is equipped with a driver's section having a driver's seat and a cabin that covers the driver's section, and the rear connecting frame of the rear wall of the cabin is disposed on the upper support frame of the rear wall of the driver's section.

In the present invention, the upper support frame may be supported by a rear frame section provided behind the driver's section frame.

In the present invention, the rear connection frame may be supported by a mounting portion provided below the cabin frame.

In the present invention, a cabin door may be provided on the right side of the cabin frame, and a lower end of the bottom cabin frame on the right side of the cabin frame may be disposed on the driver frame.

In the present invention, the bottom cabin frame may be positioned on the right step frame of the driver's section.

In the present invention, the front connecting frame of the cabin may be disposed on the front column frame of the driver's section.

Perspective view of combine harvester Perspective view of a combine harvester Perspective view of a combine without a cabin Perspective view of the cabin Perspective view of the cabin Perspective view of driver frame Perspective view of cabin frame Perspective view showing details of the left front mounting section Perspective view showing details of the right front mounting section FIG. 13 is a perspective view showing the details of the mounting portion at the left rear. Perspective view showing details of the right rear mounting section Perspective view showing details of the bottom right mounting section View of the driving section from the rear Plan view of driving section

An example of a combine according to the present invention will be described.

[Overall structure of combine]
1 and 2 are a perspective view of a combine harvester 100 according to the present embodiment as seen from the left front and a right front, respectively. In the figure, arrows indicate the front-rear direction, left-right direction, and up-down direction of the combine harvester 100.

The combine harvester 100 mainly includes a traveling device 1, a reaping device 2, a threshing device 3, and a sorting device 4.
and a storage device 5.

The traveling device 1 is provided below the chassis frame 10. The traveling device 1 includes a transmission (not shown) and a pair of left and right crawler devices 11. The transmission transmits power from the engine 90 (see FIG. 8) to the crawler device 11. The crawler device 11 causes the combine harvester 100 to travel in the front-rear direction or to turn the combine harvester 100 in the left-right direction.

The reaping device 2 is provided in front of the traveling device 1. The reaping device 2 includes a reel 21 , a cutter (mowing blade) 22 , an auger (transverse feed screw) 23 , and a feeder 24 .
The reel 21 guides grain culms in the field to the cutter 22 by rotating. Cutter 2
2 cuts the grain culm guided by the reel 21. The auger 23 collects the grain culms cut by the cutter 22 at a predetermined position. The feeder 24 supplies the grain culm harvested by the reaping device 2 to the threshing device 3 via the feeder house 25. In feeder house 25,
A conveyor is built in to convey the grain culms collected by the auger 23 to the rotor.

The threshing device 3 is provided behind the reaping device 2. The threshing device 3 includes a threshing drum, a receiving net, and
and a front rotor. The threshing drum threshes the culms by rotating. The threshing drum also transports the culms by rotating. The receiving net supports the culms transported by the threshing drum and drops the threshed grains into the sorting device 4. The front rotor sends the culms transported by the feeder 24 to the threshing device 3. The front rotor not only transports the culms, but also has the function of performing preliminary threshing (pre-threshing).

The sorting device 4 is provided below the threshing device 3. The sorting device 4 includes a swing device and a blower device (a winnower). The shaking device sieves the threshed grains to separate the grains. The grains sorted by the rocking device are conveyed by the grain conveying device, and are transferred to the grain tank 51 through the input port.
will be put into the The blower assists grain sorting by blowing away foreign substances such as straw included in the threshing process. Contaminants such as straw waste are removed through a culm outlet (
(not shown) to the outside.

The storage device 5 is provided to the right of the threshing device 3 and the sorting device 4. Therefore, the threshing device 3, the sorting device 4, and the storage device 5 are arranged in parallel on the left and right above the chassis frame 10. The storage device 5 is equipped with a grain tank 51. The grain tank 51 stores the grains transported from the sorting device 4. The discharge auger 52 is used to discharge the grains in the grain tank 51. The discharge auger 52 is configured to rotate in the vertical and horizontal directions when discharging grains, so that the grains can be discharged to any desired location.

The driving section 6 is provided in front of the grain tank 51 and on the front right side of the fuselage. The driving section 6 includes a driver's seat 6a where an operator is seated, a steering handle 6b located in front of the driver's seat 6a, a front column 6c located in front of a steering column that supports the steering shaft of the steering handle 6b, and the like. around which various operating tools such as gear shift levers, clutch levers, and switches are arranged. A driver's seat 6a, a steering wheel 6b, a front column 6c, etc. (see FIG. 3) of the driving section 6 are covered by a cabin 7.

The driving section 6 includes a driving section frame 60 as shown in FIG. Driver frame 60
is mounted on the chassis frame 10. The driver frame 60 includes a front column frame 61 and left and right step frames 62 extending rearward from the front column frame 61.
L, 62R and the floor frame 6 erected from the rear ends of the step frames 62L, 62R.
3, a back plate 64 erected from the floor frame 63, and a rear frame portion 65 that supports the rear end of the back plate 64.

The front column frame 61 forms the framework of the front column 6c and has a rectangular frame shape when viewed from the front. The front column frame 61 is made up of an upper front column frame 611, a lower front column frame 612, a left front column frame 613L, and a right front column frame 613R. The upper front column frame 611 and the lower front column frame 612 extend in the left-right direction. The left front column frame 613L and the right front column frame 613R are
The left front column frame 613L and the right front column frame 613R are plate members that are substantially trapezoidal in side view. The front column frame 61 corresponds to a first mounting portion to which the cabin 7 can be mounted.

The left and right step frames 62L, 62R extend in the front-rear direction. A floor panel (not shown) is horizontally suspended between the left and right step frames 62L, 62R. A lifting step 621 is attached to the right step frame 62R.

The floor frame 63 includes a first rising surface 63a extending upward from the rear end of the left and right step frames 62L, 62R and the floor panel, a first horizontal surface 63b extending rearward from the upper end of the first rising surface 63a, and a first horizontal surface 63b. It includes a second rising surface 63c extending upward from the rear end, and a second horizontal surface 63d extending rearward from the upper end of the second rising surface 63c. The driver's seat 6a is placed above the floor frame 63, more specifically above the first horizontal surface 63b. Further, below the floor frame 63 is an engine 90 (see FIG. 8).
is placed.

The back plate 64 is erected from the upper end of the second rising surface 63c of the floor frame 63. The back plate 64 slopes rearward as it goes upward, and its rear end is connected to the rear frame portion 6.
It is connected to the upper end of 5. The second horizontal surface 63d of the back plate 64 and the floor frame 63
An air cleaner 91 for the engine 90 is housed in the space surrounded by (see FIG. 8).

Referring also to FIG. 8, the rear frame portion 65 includes left and right vertical frames 66L, 66R disposed behind the engine 90, and a connecting frame 67 (at the connecting portion) that connects the upper portions of the left and right vertical frames 66L, 66R. a pair of inclined frames 68, 68 (corresponding to the inclined part) extending upwardly from the rear of the connecting frame 67 in a posture inclined forward; and the inclined frame 68.
An upper support frame 69 (corresponding to a second attachment part) provided on the upper part of the frame 69 is provided. The left and right vertical frames 66L, 66R, the connecting frame 67, the pair of inclined frames 68, 68, and the upper support frame 69 are welded and integrated.

The left and right vertical frames 66L, 66R are arranged side by side on the left and right and stand upright from the chassis frame 10. The connecting frame 67 has a rectangular plate shape in a plan view, and its rear end is supported by the vertical frames 66L, 66R. The front end of the connecting frame 67 is connected to the rear end of the floor frame 63. The inclined frame 68 extends at an angle from the rear of the connecting frame 67 toward the rear end of the back plate 64.

The upper support frame 69 is disposed so as to be horizontally suspended above the pair of inclined frames 68, 68. The upper support frame 69 is located forward of the left and right vertical frames 66L, 66R. The upper support frame 69 is connected to the rear end of the back plate 64. A protective cover 69a that protects the front side of the muffler 92 is provided at the left end of the upper support frame 69 (see FIG. 8). Further, the protective cover 69a is connected to the threshing device 3.
By connecting the protective cover 69a to the threshing device 3, the driver frame 60 is reinforced.

By configuring the driving section frame 60 as described above, the cabin 7 can be firmly supported while the engine 90 is disposed below the driving section 6, and the grain tank 51 can be increased in size.

The cabin 7 includes a cabin frame 70 as shown in FIG. The cabin frame 70 includes left and right bottom cabin frames 71 and 72, and left and right front cabin frames 73.
, 74, left and right rear cabin frames 75, 75, a door support frame 76, and a roof frame 77.

A windshield 7a (see FIG. 4A) is provided on the front surface of the cabin frame 70. Furthermore, a side panel 7b (see FIG. 4B) including a left window is provided on the left side of the cabin frame 70. Further, a cabin door 7 including a right window is provided on the right side of the cabin frame 70.
c (see FIG. 4A). Further, a roof 7d is provided on the upper surface of the cabin frame 70.
(see FIG. 4A) is provided.

Further, when the cabin 7 is attached to or detached from the driving section 6, the cabin 7 is suspended from above. The cabin 7 is constructed using a hanging fitting 7e (see FIG. 4B) provided on the left rear part of the cabin frame 70 and a handrail 7f for getting on and off (see FIG. 4A) provided on the right front part of the cabin frame 70. Hanged. The hanging fitting 7e is provided on the upper part of the left rear cabin frame 75 of the cabin frame 70 so as to protrude leftward.
The handrail 7f is provided on the right front cabin frame 74 of the cabin frame 70.

The left bottom cabin frame 71 constitutes the bottom of the left side of the cabin 7 . The left bottom cabin frame 71 extends horizontally rearward from the front part of the cabin 7, and then extends upward in an inclined manner. The front end of the left bottom cabin frame 71 is connected to the lower end of the left front cabin frame 73. The rear end of the left bottom cabin frame 71 is connected to the lower part of the left rear cabin frame 75.

The right bottom cabin frame 72 constitutes the right bottom part of the cabin 7. The right bottom cabin frame 72 has a plate shape that extends horizontally in the front-rear direction. Right bottom cabin frame 72
The front end of is connected to the lower end of the right front cabin frame 74. The rear end of the right bottom cabin frame 72 is connected to the lower end of the door support frame 76. The right bottom cabin frame 72 is located above the right step frame 62R when the cabin 7 is attached to the driving section 6.

The left front cabin frame 73 and the right front cabin frame 74 extend in the vertical direction and are arranged on the left and right sides of the front of the cabin 7, respectively. The upper ends of the left front cabin frame 73 and the right front cabin frame 74 are connected to a roof frame 77. The bottom of the cabin 7 on the right side is located at a lower position than the bottom on the left side. Therefore, the right front cabin frame 74 is longer downwardly than the left front cabin frame 73. Left front cabin frame 73
and the right front cabin frame 74 are connected by a front connection frame 78. The front connecting frame 78 connects left and right protruding pieces 78a, 78b that protrude more forward than the left front cabin frame 73 and right front cabin frame 74, and the front ends of the left and right protruding pieces 78a, 78b. A curved portion 78c is provided. The front connecting frame 78 is located in front of the upper front column frame 611 when the cabin 7 is attached to the driving section 6.

The left and right rear cabin frames 75, 75 extend in the vertical direction and are arranged at the rear left and right sides of the cabin 7, respectively. The upper end of the rear cabin frame 75 is connected to the rear part of the roof frame 77. The lower ends of the left and right rear cabin frames 75 are connected by a rear connecting frame 79. When the cabin 7 is attached to the driving section 6, the rear connecting frame 79 is
It is located above the upper support frame 69.

The door support frame 76 extends upward from the bottom of the right side of the cabin 7, extends rearward while tilting, and then extends upward again. The upper end of the door support frame 76 is connected to the rear part of the roof frame 77. The cabin door 7c is rotatably supported by the door support frame 76.

The roof frame 77 constitutes the ceiling of the cabin 7. The roof frame 77 has a rectangular frame shape in plan view. The front part of the roof frame 77 is connected to the left and right front cabin frames 7.
It protrudes further forward than 3.74. The roof frame 77 is covered with a roof 7d.

Next, details of the mounting structure for attaching the cabin 7 to the operating section 6 will be explained. Cabin 7 is
It is attached using five attachment parts 81 to 85 located at the front left, front right, rear left, rear right, and bottom right.

The left front attachment portion 81 is located at the left front portion of the cabin frame 70 , specifically, at the left end portion of the front connection frame 78 . The mounting portion 81 is attached to the front connecting frame 7 of the cabin frame 70.
8, and a lower bracket 812 provided on the side surface of the left front column frame 613L of the driver frame 60.

The upper bracket 811 is fixed to the lower part of the left projecting piece 78a of the front connection frame 78. The upper bracket 811 has two mutually perpendicular surfaces (a side surface 811a and a lower surface 811b).
It is a member formed so that these two surfaces are L-shaped when viewed from the front. The upper end of the side surface 811a of the upper bracket 811 is connected to the lower part of the left projecting piece 78a. Two through holes are formed in the lower surface 811b of the upper bracket 811.

The lower bracket 812 is fixed to the left side surface of the left front column frame 613L. The lower bracket 812 includes a first bracket member 812a that is fastened to the left side surface of the left front column frame 613L with a bolt, and a second bracket member 812b that is welded to an upper portion of the first bracket member 812a. The first bracket member 812a is L
The second bracket member 812b is L-shaped in side view and supports the second bracket member 812b from below. The second bracket member 812b is L-shaped in side view and has two through holes formed in the upper surface. The two through holes of the second bracket member 812b and the two through holes of the lower surface 811b of the upper bracket 811 are
The upper bracket 811 can be attached to the lower bracket 812 by inserting a bolt 813 into each of the through holes and fastening it with a nut 814. This allows the front connecting frame 78 of the cabin frame 70 to be connected to the left front column frame 6 of the driver's section frame 60.
It can be attached to 13L.

A rectangular plate member 815 is disposed above the lower surface 811b of the upper bracket 811. A vibration-isolating plate-shaped rubber is disposed between the plate member 815 and the lower surface 811b of the upper bracket 811. This prevents vibrations from the lower bracket 812 from being transmitted to the upper bracket 811 through the bolts 813.
A vibration isolating plate-shaped rubber is also disposed between 11b and the upper surface of the second bracket member 812b.
This makes it possible to prevent vibrations from the lower bracket 812 from being directly transmitted to the upper bracket 811. Although a detailed explanation is omitted, this type of vibration-proof support structure is also used for mounting parts 82 to 85 in the front right, rear left, rear right, and bottom right.

Further, a bolt 816 provided at the front left portion of the second bracket member 812b of the lower bracket 812 is for attaching a work light that illuminates the intake port to the feeder 24.

The right front attachment portion 82 is located at the right front portion of the cabin frame 70 , specifically, at the right end portion of the front connection frame 78 . The mounting portion 82 includes a mounting stay 821. Mounting stay 82
1 is a plate having a substantially Z-shape when viewed from above. Front side 821 of Z-shaped mounting stay 821
A is attached to the right front column frame 613 of the driving section frame 60 by two bolts 822.
It is fixed to the left side of R. More specifically, the front surface 8 of the mounting stay 821 is attached to the mounting plate 824 provided to protrude leftward from the left side surface of the right front column frame 613R.
21a is fixed. On the other hand, the rear surface 821b of the Z-shaped mounting stay 821 has two bolts 8
23, it is fixed to the left side surface of the right front cabin frame 74 of the cabin frame 70. More specifically, the rear surface 821b of the attachment stay 821 is fixed to an attachment plate 825 provided to protrude leftward from the left side surface of the right front cabin frame 74. The right front cabin frame 74 of the cabin frame 70 can be attached to the right front column frame 613R of the driver frame 60 by the attachment stay 821.

The left rear attachment portion 83 is located at the left rear of the cabin frame 70, specifically, at the left end of the rear connection frame 79. The mounting portion 83 is attached to the upper support frame 69 of the driver frame 60.
A left bracket 831 (see FIG. 5) is provided at the left end of the. Left bracket 831
is provided so as to protrude rearward from the upper support frame 69, and has two bolt holes formed in its upper surface. On the other hand, two through holes are formed in the left end portion of the rear connecting frame 79. Insert the bolts 832 into the two through holes of this rear connection frame 79, and
The rear connection frame 79 can be attached to the left bracket 831 by fastening them with the bolt holes of the left bracket 831. Thereby, the rear connecting frame 79 of the cabin frame 70 can be attached to the upper support frame 69 of the driving section frame 60.

The right rear attachment portion 84 is located at the right rear portion of the cabin frame 70 , specifically, at the right end portion of the rear connection frame 79 . The mounting portion 84 is attached to the upper support frame 69 of the driver frame 60.
A right bracket 841 (see FIG. 5) is provided at the right end of the. Right bracket 841
is provided so as to protrude rearward from the upper support frame 69, and has two bolt holes formed in its upper surface. On the other hand, two through holes are provided at the right end of the rear connection frame 79. Insert the bolts 842 into the two through holes of this rear connection frame 79, and
The rear connection frame 79 can be attached to the right bracket 841 by fastening them with the bolt holes of the right bracket 841. Thereby, the rear connecting frame 79 of the cabin frame 70 can be attached to the upper support frame 69 of the driving section frame 60.

Further, as shown in FIG. 5, a positioning pin 843 that projects upward is provided on the upper surface of the right bracket 841. The positioning pin 843 is provided at a position behind the two bolt holes formed in the above-mentioned right bracket 841 and located between the two bolt holes when viewed from the rear. On the other hand, as shown in FIG.
A positioning hole 844 corresponding to 43 is formed. Positioning pin 843 and positioning hole 8
By providing the positioning section constituted by 44, it is possible to first perform positioning and then perform final fixing of each attachment section, and the cabin 7 does not shift relative to the driving section 6. Further, by positioning the positioning pin 843 between the two bolt holes, it is possible to easily align the two bolt holes with the two through holes formed in the rear connecting frame 79.

The right bottom mounting portion 85 is located on the right bottom cabin frame 72 of the cabin frame 70 . Two through holes are formed in the right bottom cabin frame 72 in the front-rear direction. on the other hand,
Two bolt holes are formed in the right step frame 62R of the driving section frame 60 in the front-rear direction. By inserting the bolts 851 into the two through holes of the right bottom cabin frame 72 and fastening the bolts 851 with the bolt holes of the right step frame 62R, the right bottom cabin frame 72 of the cabin frame 70 is connected to the right step of the driver frame 60. Frame 62R
It can be attached to.

The above-mentioned attachment parts 81 to 85 allow the cabin frame 70 to be reliably attached to the driver frame 60. The front column frame 61 and the rear frame part 65 can firmly support the cabin 7 in the front, back, left and right, and even when the cabin 7 is attached to the driving section 6 afterwards, vibrations in the cabin 7 can be suppressed.

As shown in FIG. 9, when the cabin 7 is attached to the driving section 6, a sponge 6d is interposed between the front column 6c of the driving section 6 and the front connecting frame 78 of the cabin frame 70. The sponge 6d is continuously arranged on the front and both side surfaces of the front column 6c.
A portion of the sponge 6d is crushed from above by the front connecting frame 78. sponge 6
By arranging d, the gap created between the outer surface of the front column 6c and the inner surface of the front connecting frame 78 can be filled.

Although the present embodiment shows an example of a normal type combine harvester, the present invention is not limited to this, and the present invention may be a self-extracting type combine harvester.

The present invention is not limited to the embodiments described above, and various improvements and changes can be made without departing from the spirit of the present invention.

[Additional Notes]
As described above, the combine harvester of this embodiment comprises a front column that supports an operating member in front of the driver's seat, and a rear frame portion that stands upright from the chassis frame behind the driver's seat, and the front column has a first mounting portion to which a cabin can be attached, and the rear frame portion has a plurality of vertical frames that stand upright from the chassis frame and a second mounting portion that is attached to the vertical frames and to which the cabin can be attached.

In this embodiment, a threshing section may be provided, and the second attachment section may be connected to the threshing section.

In the present embodiment, an engine is provided below the driver's seat, and the rear frame portion includes a plurality of vertical frames arranged behind the engine and a connecting portion connecting upper portions of the plurality of vertical frames. , the cabin has an inclined part extending upward from the rear part of the connecting part in an attitude inclined forward, and the second mounting part provided on the upper part of the inclined part, and the cabin has the second mounting part. It may be attached to the second attachment part while being placed on the upper part.

In this embodiment, the rear frame portion and the cabin may be provided with a positioning portion that defines the position of the cabin with respect to the rear frame portion.

In this embodiment, the second mounting portion may be provided with a protective cover that protects the front side of the muffler.

According to this embodiment, a combine harvester without a cabin can be modified to include a cabin after the fact. In addition, the front column and multiple vertical frames can firmly support the cabin from the front, back, left and right, so that vibration of the cabin can be suppressed even if the cabin is installed after the fact.

6 Driver's section 6a Driver's seat 7 Cabin 7c Cabin door 60 Driver's section frame 61 Front column frame 62R Right step frame 65 Rear frame section 69 Upper support frame 70 Cabin frame 72 Bottom cabin frame 78 Front connecting frame 79 Rear connecting frame 83 Mounting section 84 Mounting section

Claims (6)

a driving section having a driver's seat;
a cabin that covers the driving section;
A rear connecting frame that connects the left and right rear cabin frames ,
an upper support frame extending in the left-right direction at the rear of the driving section and on which the rear connection frame is placed ;
A combine harvester equipped with The combine harvester according to claim 1, wherein the upper support frame is provided in a rear frame portion that constitutes a rear portion of the driver frame. The combine harvester according to claim 1, wherein the rear connection frame is supported by a mounting section provided below the cabin frame. A cabin door is provided on the right side of the cabin frame.
The combine harvester according to any one of claims 1 to 3, wherein a lower end portion of the bottom cabin frame on the right side of the cabin frame is disposed on a driver 's section frame. 5. The combine according to claim 4, wherein the bottom cabin frame is located on a right step frame of the operating section. The combine harvester according to any one of claims 1 to 5 , wherein a front connecting frame that connects the left and right front cabin frames is attached to a front column frame of the driving section.

Images