JP2003325023A - Combine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a combine capable of using parts commonly in the cases of installing a cabin and without installing the cabin. <P>SOLUTION: This combine is provided by installing a difference in level part having a rear directional extended surface formed by extending the part in rear direction at an upper end of a front side wall, arranging a front panel by bringing the front edge of the front panel in contact with the rear directional extended surface in the case of not arranging the cabin at a driving seat, and arranging the front panel while nipping and fixing a transparent body-mounting metal tool with the front edge of the front panel and the rear directional extended surface in the case of arranging the cabin at the driving seat for mounting the transparent body constituting the cabin on the transparent body- mounting metal tool. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine, and more particularly to a combine cabin structure.

[0002]

2. Description of the Related Art Conventionally, a substantially rectangular box-shaped cabin is provided as one form of a combine, and an operating section is provided in the cabin.
There is one configured to provide a comfortable operating space by providing a cooling and heating device for cooling or heating the inside of the cabin.

On the other hand, there is a combine in which an operating section is provided without providing a cabin in order to reduce the cost.

[0004]

However, the above-mentioned combine still has the following problems.

(1) Since the structure around the operating unit is different between the combine with the cabin and the combine without the cabin, it is necessary to prepare different parts depending on the presence or absence of the cabin, and it is difficult to share the parts. However, there is a problem that it is difficult to reduce the manufacturing cost.

(2) When arranging the cabin, a transparent plate such as a large glass plate is attached to the front surface and the front side surface of the cabin so as to secure a working field of view, and further, the airtightness of the cabin. The upper and lower edges of the transparent plate mounted at a predetermined position are subjected to caulking treatment in order to increase the temperature, but the caulking treatment requires a great deal of time for the work as well as a drying time. There is a problem that it is difficult to improve efficiency. In addition, the caulking process requires a certain degree of skill, so that there has been a problem that the skill training of workers is also necessary.

[0007]

Therefore, in the present invention, in a combine in which the front end edge of the front panel disposed in the driving section is brought into contact with the upper end of the front side wall of the driving section, the upper end of the front side wall is If a stepped portion having a rearwardly extending surface formed by extending backward is provided and the cabin is not provided at the driving section, the front end edge of the front panel is brought into contact with the rearwardly extending surface to dispose the front panel. When arranging the cabin in the driving section, the front panel is installed while sandwiching and fixing the transparent plate attachment metal fitting between the front edge of the front panel and the rear extension surface, and the cabin is attached to the transparent plate attachment metal fitting. It was configured to attach the transparent plate body constituting the.

Further, according to the present invention, in a combine equipped with a cabin configured to secure a front view by mounting a transparent plate body on a front portion, after the transparent plate body is mounted, the lower edge of the transparent plate body is attached. By mounting the elastic filler along the transparent plate, the gap generated at the lower edge portion of the transparent plate with the mounting of the transparent plate is closed. Further, the gap created at the upper edge portion of the transparent plate body when the transparent plate body is mounted is characterized in that it is configured to be covered by the ceiling wall of the cabin.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The combine according to the present invention is a combine of different models depending on the presence / absence of a cabin in the operating section provided on the vehicle body frame. It is intended to reduce.

That is, the front edge of the front panel disposed in the driving section is arranged to be in contact with the upper end of the front side wall of the driving section, and is formed so as to extend rearward at the upper end of the front side wall. A step portion having a rearwardly extending surface is provided.

When the cabin is not provided in the driving section, the front edge of the front panel is brought into contact with the rear extension surface to provide the front panel, and the cabin is provided in the driving section. The front panel is arranged while sandwiching and fixing the transparent plate attachment metal fitting between the front end edge of the front panel and the rear extension surface, and the transparent plate constituting the cabin is attached to the transparent plate attachment metal fitting. .

Therefore, the front side wall of the operating section can be shared regardless of the presence or absence of the cabin, and the manufacturing cost can be reduced.

Further, in the combine according to the present invention, when the cabin is provided in the driving section provided on the vehicle body frame, the transparent plate body is attached to the front portion of the cabin so as to secure the front view. Therefore, the gap of the lower edge of the transparent plate body caused by the mounting of the transparent plate body is not closed by caulking, but the elastic filler is mounted and closed.

Therefore, it is possible to eliminate a caulking work which requires a great deal of work time and requires familiarity with the work, and it is possible to shorten the work time and improve the production efficiency. Further, it is possible to eliminate the need for skill training of workers. Moreover, it is possible to improve the appearance by mounting the elastic filler rather than by caulking.

Further, the gap generated at the upper edge portion of the transparent plate body when the transparent plate body is mounted is constituted so as to be covered by the ceiling wall of the cabin, so that caulking work can be eliminated. The working time can be shortened and the production efficiency can be improved.

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a combine A according to the present invention. The combine A has a vehicle body frame 2 mounted on a pair of left and right crawler type traveling portions 1, 1 and a front end of the vehicle body frame 2. The reaping unit 4 is attached to the section, the threshing unit 6 is disposed on the left front part of the vehicle body frame 2, and the sorting unit 7 is disposed immediately below the threshing unit 6, while the rear upper portion of the sorting unit 7 That is, the straw processing unit 8 is provided immediately after the threshing unit 6. 11 is a grain culm transport mechanism provided in the mowing unit 4, 12 is a cutting blade, 13 is a handling cylinder provided in the threshing unit 6, 14 is a feed chain, and 15 is a narrow rod.

Further, the combine A is provided with a driving section 9 on the right front part of the vehicle body frame 2, and the grain storage is provided at a position immediately after the driving section 9 and immediately above the threshing section 6. Part 10
Are installed.

With the above-mentioned structure, the grain culm vegetated in the field is cut by the cutting blade 12 provided in the reaper 4 along with the traveling of the combine A, and the grain culm cut by this is transferred to the grain culm provided in the mowing unit 4. The mechanism 11 conveys it to the upper rear and delivers it to the feed chain 14, and the feed chain 14 and the narrowing rod 15 hold the root portion of the grain rod and convey it to the rear side so that the tip portion of the grain rod is removed. The grain is transported from the front to the rear along the lower peripheral surface of the handling cylinder 13, threshed by the handling barrel 13, and the threshed grains are sorted by the sorting unit 7, and the sorted clear grain is stored in the grain storage unit 10. While being conveyed and stored, straw is shredded and discharged by the straw processing unit 8.

In this embodiment, as shown in FIG. 1, a cabin 16 is provided in the operating section 9, an operating section 17 is provided inside the cabin 16, and a position directly below the cabin 16 is provided. The engine room 18 is arranged in the engine room 18, and the mission section 19 is arranged below the engine room 18.

As shown in FIG. 1, the cabin 16 includes front / rear wall portions 20 and 21, left / right side wall portions 22 and 23, a ceiling portion 24, and a floor portion 80.
It is formed into a box shape from.

In particular, the lower half of the front wall 20 is formed by the front side wall 25, and the lower half of the front half of the left and right side walls 22, 23 is formed by the left and right side walls 26, 27. The upper half of the front wall portion 20 is formed by the front windshield 28a which is a transparent plate, and the upper half of the front half of the left and right wall portions 22 and 23 is a transparent left and right front. It is formed by glass 28b, 28c (hereinafter, front, left, right windshield 28a, 28b,
28c is collectively referred to as windshield 28).

A rear window 29 is provided on the upper portion of the rear wall portion 21,
A left side window 30 is provided in the latter half of the left side wall 22, and an opening / closing door 31 is provided in the latter half of the right side wall 23.

In this embodiment, as shown in FIG.
At the upper end of 25, the rearwardly extending surface 32 is formed by extending backwardly.
a and a step surface 32b formed by rising upward from the rear extension surface 32a, a step portion 32 is formed, and a front end edge of a front panel 86 of an operation portion 17 described later is provided with a rear extension surface 32a.
Abutting against.

Further, the step portion 32 extends to the upper ends of the left and right side walls 26, 27 which are continuous with the front side wall 25, and the left and right side wall 2
The stepped portion 32 is also formed at the upper ends of the 6, 27, and the front end edge of the front panel 86 of the operation portion 17 is brought into contact with the rear extension surface 32a.

The windshield 28 is attached to the operating section 9 via a windshield attachment 33 which is a transparent plate attachment.

That is, the windshield mounting bracket 33 is
A bottom surface portion 33c that overlaps with the rear extension surface 32a of the step portion 32, and front and rear surface portions 33a and 33b that are respectively provided upright along the front and rear end edges of the bottom surface portion 33c are formed into a substantially J shape in a side view, Further, the rear surface portion 33b is configured to abut the step surface 32b of the step portion 32. Then, the bottom surface portion 33c is sandwiched and fixed by the front end edge of the front panel 86 and the rear extension surface 32a of the step portion 32, and the front surface portion 3c.
The windshield 28 is attached to the operation part 9 by bringing the lower end of the windshield 28 into contact with 3a and fixing it with bolts 50. In the figure, 34 is a shock absorber for the windshield 28, and 34 'is a shock absorber for the bolt that prevents direct contact between the bolt 50 and the windshield 28.

As described above, in this embodiment, the windshield 28 is attached to the front portion of the operating portion 9 via the windshield mounting bracket 33. By attaching the windshield 28, the operating portion is attached. Cabin 16 that surrounds operation unit 17 in 9
Is formed.

On the other hand, when the cabin 16 is not provided in the combine A, as shown in FIG. 3, the front panel 86 is simply used without using the windshield mounting bracket 33.
It suffices to arrange the front end edge of the abutting rear extension surface 32a.

Therefore, the same member can be used for the front side wall 25 and the left and right side walls 26, 27 of the operating part 9 regardless of the presence or absence of the cabin 16, and the manufacturing cost can be reduced by sharing the parts. You can

When the windshield 28 is attached to the windshield mounting bracket 33 as described above, a gap g1 occurs between the lower end of the windshield 28 and the front side wall 25 and the left and right side walls 26, 27. At the same time, a gap g2 is generated between the upper end of the windshield 28 and the front plate 38 of the ceiling wall 39 described later (see FIG. 2).

The gap g1 generated between the lower end of the windshield 28 and the front side wall 25 is closed by mounting an elastic filler 35 along the lower edge of the windshield 28, as shown in FIG. There is.

Therefore, since the caulking work after the windshield 28 is attached can be eliminated, the working time can be shortened and the production efficiency can be improved. Further, even an inexperienced worker can surely perform the work, and the skill training of the worker is unnecessary. In addition, the appearance of wearing the elastic filling body 35 is superior to that of caulking in appearance, and it is possible to arouse the desire of the purchaser to purchase.

The elastic filler 35 is formed in advance into a predetermined shape by using an elastic material such as rubber, plastic or fiber.

On the other hand, the upper end of the windshield 28 and the ceiling wall 39
The gap g2 generated between the front plate 38 and the front plate 38 is configured to be covered from above by the upper plate 36 of the ceiling wall 39, which will be described later, as shown in FIG.

Therefore, even in the gap g2 generated at the upper edge portion of the windshield 28, the caulking work after mounting the windshield 28 can be dispensed with, and the work time can be shortened and the production efficiency can be improved. .

Further, in this embodiment, of the three windshields 28a, 28b, 28c, both ends of the front windshield 28a are curved toward the rear of the cabin 16 of the cabin.

Therefore, the area of the front windshield 28a is enlarged, and the connecting portions j1 and j2 of the front windshield 28a and the left and right windshields 28b and 28c are respectively moved to the left and right end directions of the operator M's field of view. Therefore, the visual field of the operator M can be kept good while preventing the connection parts j1 and j2 from interfering with the visual field of the operator M.

In particular, in this embodiment, the front windshield is
The front-to-front windshield 28a and the left side of the front windshield 28a are made wider by making the front-rear width t1 from the front end of the front windshield 28a to the left end of the front windshield 28a larger than the front-rear width t2 from the front end of the front windshield 28a to the right end of the front windshield 28a. Windshield 28b
The connecting portion j1 with the front windshield 28a and the right side windshield 28c are retracted rearward from the connecting portion j1.
Therefore, since the cabin 16 is arranged on the right side of the machine body, it is possible to secure a good field of view while enhancing the visibility in the left direction of the machine body where the blind spot is likely to occur.

In this embodiment, tempered glass is used as the transparent plate, but the transparent plate is made of a material such as transparent plastic that can secure the front and left and right sides of the operator M. Anything can be used.

The ceiling 24 of the cabin 16 is provided with a ceiling wall 39 having an internal space S. The ceiling wall 39 is formed by upper and lower plate members 36, 37 arranged at predetermined intervals in the vertical direction. I am configuring. The front end of the upper plate 36 is projected forward of the front windshield 28a, while the front end of the lower plate 37 is positioned directly above the front windshield 28a, and the front end of the lower plate 37 and the upper end thereof. The upper plate 36 and the upper plate 36 are connected by a front plate 38.

A wiper mounting opening 38a is opened in the central portion of the front plate 38, and the swing drive shaft 44 of the motor unit 40 of the wiper 46 for wiping the front windshield 28a from the wiper mounting opening 38a. Is configured to expose.

The motor unit 40 includes a motor support frame 41 formed in a rectangular shape and a drive motor attached to the motor support frame 41.
42, and a motion conversion mechanism 43 part that is mounted on the drive shaft of the drive motor 42 and outputs the rotary motion of the drive shaft as the rotary motion of the swing drive shaft 44.

Then, the motor unit 40 is positioned on the back side of the front plate 38, and the swing drive shaft 4 is inserted from the wiper mounting port 38a.
While exposing the outer peripheral edge of the motor support frame 41,
It is superposed on 8 and is mounted using fixing bolts and nuts.

As described above, in this embodiment, the drive motor 42 is
Is not directly attached to the machine body, but the motor unit 40 is once formed from the drive motor 42 and the motor support frame 41, and is attached to the machine body via the motor support frame 41. Therefore,
Compared to the case where the drive motor 42 is directly attached to the machine body, the drive motor 42 can be easily attached to and detached from the machine body.
Can be easily assembled and replaced.

The wiper 46 is composed of an arm portion 46a formed of a parallel link and a blade portion 46b attached to the tip of the arm portion 46a. The arm portion 46a includes a first arm 47 having a base end attached to the swing drive shaft 44, and the first arm 47.
And a second arm 48 pivotally attached to a support shaft 45 projecting from the fuselage with its base end projecting on the plane, and the distal ends of the first arm 47 and the second arm 48 are respectively attached with pivot pins. And a blade 46b.
Is attached to the tip of the first arm 47.

Since the first arm 47 is attached to the swing drive shaft 44, the first arm 47 swings left and right as the drive motor 42 is driven, and the blade portion 46b is brought into contact with the front windshield 28a. It is configured to be swept in the left and right direction. Moreover, the first arm 47 and the second arm 48 are provided on the base end side of the arm portion 46a.
Is provided with a pivot shaft 46c that can be swung up and down, and the tip end side of the pivot shaft 46c can be raised at substantially right angles to the front windshield 28a.

As described above, in this embodiment, the arm portion
Since 46a is a parallel link, the track c of the wiper 46
To make the moving distance of the blade portion 46b longer,
Accordingly, the sliding area of the blade portion 46b on the surface of the front windshield 28a can be increased. Therefore, the wiper 46 can wipe a large area of the front windshield 28a.

Further, in the present embodiment, the stop position of the wiper 46 when not in use is set to the right side of the cabin 16 to prevent the wiper 46 from entering the view in the left side direction of the airframe, which is often seen during the mowing work. is doing. Therefore, the wiper
When 46 is not used, a good field of view can be secured in the left direction of the machine body, and the mowing work can be performed smoothly. When the cabin 16 is provided on the left side of the machine body, it is desirable that the stop position of the wiper 46 be in the leftward direction of the cabin 16.

Further, in this embodiment, the movable range b of the wiper 46 is also increased in the right direction of the machine body, and the position of the blade portion 46b when the wiper 46 moves to the rightmost side and the wiper 46 moves to the leftmost side. Comparing with the position of the blade part 46b in the case of, the blade part 46b is moved to a higher position when the wiper 46 moves to the rightmost side. Moreover, as described above, in this embodiment, the stop position of the wiper 46 when not in use is set to the right side of the machine body. Therefore, when the wiper 46 is not used, it is possible to make the wiper 46 less likely to enter the visual field of the operator M, and to secure a better visual field.

In the figure, p1 is the position when the wiper 46 is moved to the rightmost side, p2 is the position when the wiper 46 is moved to the leftmost side, and t3 is the difference between the height of the wiper 46 at p1 and the height at p2. is there. Further, in this embodiment, the wiper 46
The stop position when not used is equal to p1.

Left and right headlights 52, 52 are attached to the left and right ends of the front plate 38 via brackets 51 with the irradiation direction facing downward.
The second light grill 53 is mounted between the front end portions of the upper and lower plate members 36, 37 of the ceiling wall 39.

Thus, the left and right headlights 52,52
Is attached to the front plate body 38 via the bracket 51 so as to project forward of the windshield 28, and the irradiation direction is directed downward. Therefore, even when the cutting unit 4 is moved up and down. The left and right headlights 52, 52 can illuminate the area immediately before the mowing section 4, and the operator M can visually check the mowing state.

A lower portion of the center of the light grill 53 is provided with a recess 53a for moving the wiper, which is notched to the front plate 38 and extends in the front-rear direction and has a trapezoidal shape in a front view. Therefore, the wiper 46 can be freely swung left and right without being interfered with by the light grill 53, and can be raised substantially vertically to the front windshield 28a.

Finally, an operation section provided inside the cabin 16.
17 will be briefly described.

As shown in FIGS. 10 to 12, the operating section 17 has a steering column 81 standing upright in the front center portion of a floor 80, and a wheel support shaft 82 from the upper portion of the steering column 81.
The steering wheel 83 on the wheel support shaft 82 by projecting the
A seat 84 is located behind 83.

Further, the front panel 86 extending in the left-right direction is attached to the upper portion of the steering column 81 via a pair of left and right panel support frames 85, 85, and switch panels 87, 87 are provided on the left and right sides of the front panel 86, respectively. 87
Is provided.

Further, the side operation column 88 is arranged at the left side position of the seat 84, the side panel support frame 89 is provided in the side operation column 88, and the side operation column 88 is provided with the side operation column 88. The side panel 90 provided on the upper surface is supported, and the front end of the side panel 90 is connected to the left end of the front panel 86.

Further, the side operation column 88 is provided with a main speed change lever 91, a sub speed change lever 92 and a work lever 93, and upper end grips of these levers 91, 92, 93 are provided on the side panel 90. The guide grooves 94, 95, 96 are projected upward. 97 is a footrest, 98 is a pouring pedal, 99 is a parking pedal, and 100 is a lock lever.

[0060]

According to the invention described in claim 1, a step portion having a rear extension surface formed by extending rearward is provided at the upper end of the front side wall, and when the cabin is not arranged in the operating portion, When arranging the front panel by bringing the front edge of the front panel into contact with the rear extension surface and arranging the cabin in the operating section, the transparent plate attachment metal fitting is attached to the front edge of the front panel and the rear extension surface. By arranging the front panel while sandwiching and fixing it, and by mounting the transparent plate that constitutes the cabin to the transparent plate mounting metal fitting, the front side wall of the operating part is the same regardless of the presence or absence of the cabin. The member can be used, and the manufacturing cost can be reduced by sharing the parts.

According to the second aspect of the present invention, the transparent plate is attached to the side wall, and then the elastic filler is attached along the lower edge of the transparent plate so that the transparent plate is attached. Since the gap generated at the lower edge portion of the transparent plate is closed so that the caulking work after mounting the transparent plate can be eliminated. In particular, by switching the caulking work to the elastic filler mounting work, the work time can be shortened, the production efficiency can be improved, and even an inexperienced worker can surely perform the work. Persons' skill education can be eliminated. Moreover, the appearance of the elastic filler is better than that of caulking, and it is possible to motivate the purchaser to purchase.

According to the third aspect of the present invention, the gap created at the upper edge portion of the transparent plate body when the transparent plate body is mounted is configured to be covered by the ceiling wall of the cabin. Similar to the invention described in 2, it is possible to eliminate the need for caulking work after mounting the transparent plate, and it is possible to shorten the working time and improve the production efficiency.

[Brief description of drawings]

FIG. 1 is an overall side view of an embodiment of a combine according to the present invention.

FIG. 2 is a partial cross-sectional side view showing a mounting state of a front panel when a cabin is arranged in a driving section.

FIG. 3 is a partial cross-sectional side view showing a mounting state of a front panel when a cabin is not provided in a driving unit.

FIG. 4 is a partial cross-sectional side view of the cabin.

FIG. 5 is a cross-sectional plan view of the same cabin.

FIG. 6 is a partial cross-sectional side view of the same cabin.

FIG. 7 is a sectional side view of a motor unit.

FIG. 8 is a front view of the motor unit.

FIG. 9 is a front view of the cabin.

FIG. 10 is a side view illustrating an operation unit.

FIG. 11 is a front explanatory view of the operation unit.

FIG. 12 is an explanatory plan view of the operation unit.

[Explanation of symbols]

A combine g1 gap g2 gap 1 running section 2 body frame 4 reaper 6 Threshing Department 7 Sorting department 8 Straw processing section 9 Driving department 10 Grain storage 16 cabins 28 windshield 32 step 32a Rear distraction plane 33 Windshield mounting bracket 35 elastic filler 39 ceiling wall 86 Front panel

Claims (3)

[Claims] 1. A combine in which a front end edge of a front panel disposed in a driving section is disposed so as to abut against an upper end of a front side wall of the driving section, and a rearward extension formed by extending backward at the upper end of the front side wall. When a stepped part with a surface is provided and the cabin is not installed in the driving part, the front edge of the front panel is brought into contact with the rear extension surface to install the front panel, and the cabin is installed in the driving part. The front panel is arranged while sandwiching and fixing the transparent plate attachment metal fitting between the front edge of the front panel and the rear extension surface, and the transparent plate body forming the cabin is attached to the transparent plate attachment metal fitting. A combine characterized by being configured accordingly. 2. A combine, comprising a cabin configured to secure a front view by mounting a transparent plate body at a front portion, wherein after the transparent plate body is mounted, elastic filling is performed along a lower edge of the transparent plate body. A combine characterized by being configured to close a gap generated at a lower end edge portion of the transparent plate body by mounting the transparent plate body by mounting the body. 3. The combine according to claim 2, wherein the gap generated at the upper edge portion of the transparent plate body when the transparent plate body is mounted is configured to be covered by the ceiling wall of the cabin.