JP2012120484A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combine harvester in which visibility is improved by preventing the view on the bottom side of an operation cabin in front of an operator seat from being blocked by a steering operation tool or a structure for disposing the steering operation tool.SOLUTION: In the combine harvester, a front glass is disposed from a roof section 53 of the operation cabin 5 to a section below a seating face 50a of the operator seat 50; a steering lever 61 is disposed within the operation cabin 5 at a location misaligned from the location immediately in front of the operator seat 50 in one side in the right and left direction; an opening space S0 through which it is possible to see below the front side of the operation cabin 5 is provided between the operator seat 50 and the front glass located immediately in front of the operator seat 50; and a grip section of the steering lever 61 is positioned at a higher position than the seating face 50a of the operator seat 50.

Description

  The present invention relates to a combine in which a driver's seat and a steering operation tool are provided in a driver's cabin.

Conventionally, there are those described in [1] and [2] below as a combine in which a driver's seat and a steering operation tool are provided in a driver's cabin.
[1] A combine equipped with a steering handle in front of the driver's seat (see Patent Document 1).
[2] A combine provided with a dashboard on the front side of the driver's seat and a power steering lever as a steering operation tool on the dashboard (see Patent Document 2).

Japanese Patent Laid-Open No. 10-75634 (paragraph “0010”, FIGS. 2 and 4) Japanese Patent Laid-Open No. 10-4749 (paragraph “0007”, FIGS. 1 and 4)

  In the combine having the structure described in [1] above, the steering handle and its support stand are provided immediately before the driver's seat, and the front view of the driver's seat is blocked. For this reason, when the driver confirms the field of view below the front side of the driving cabin during driving, for example, the driving condition of the cutting part and the cutting trace, a part of the cutting part and the cutting mark is placed on the steering handle and its support base. It is blocked and becomes a blind spot. In order for the operator to check the part that becomes the blind spot, it is necessary to move the body forward / backward / left / right and look into the front lower part, and there is a possibility that the visibility of the front lower part of the driving cabin from the driver's seat may be lowered. .

  In the combine having the structure described in [2] above, the power steering lever as a steering operation tool is provided not on the front side of the driver seat but on the right side, but the power steering lever exists in front of the driver seat. Is equipped with a wide dashboard. For this reason, there is a feeling that the front side of the driver's seat is blocked by the dashboard, and there is inconvenience that the lower front side of the driver's cabin cannot be visually recognized with the posture seated on the driver's seat.

  According to the present invention, the visibility of the front lower side of the driving cabin from the driving seat is avoided by avoiding the view of the lower side of the driving cabin on the front side of the driving seat being obstructed by the control operating tool or the structure for providing the steering operating tool. The aim is to provide a good combine.

The technical means of the combine according to the present invention taken to achieve the above object has structural features and operational effects in the following points.
[Solution 1]
A driver's seat is arranged in the driver's cabin, and a windshield provided between the pair of left and right front pillars of the driver's cabin is provided in a range extending from the roof of the driver's cabin to below the seat surface of the driver's seat. ,
The operation tool for steering operation is constituted by a steering lever, and this steering lever is disposed in the driving cabin at a position deviated to one side in the horizontal direction from the position immediately before the driver's seat. There is a space between the seat and the windshield in front of it so that the space below the front side of the driving cabin can be seen, and the grip portion of the steering lever is provided at a position higher than the seating surface of the driving seat. It is characterized by being.

[Operation and effect of invention according to Solution 1]
According to the characteristic configuration shown in the above solution 1, the windshield is provided in a range extending from the roof portion of the driving cabin to below the seating surface of the driving seat, and is operated with one hand as an operation tool for steering operation. By using a steering lever that can be used, the steering lever is provided on one lateral side away from the position just in front of the driver's seat. Those that obstruct the front field of view, such as a structure for mounting, are excluded.
As a result, there can be a space between the driver's seat and the windshield at the immediately preceding position so that the space below the front side of the driver's cabin can be seen. Visibility was improved.
Further, by providing the grip portion of the steering lever at a position higher than the seating surface of the driver seat, the operability of the steering lever can be provided in a good state.

[Solution 2]
Another technical means of the present invention taken to solve the above problem is that the steering lever is supported by the front pillar.

[Operation and effect of invention according to Solution 2]
According to the characteristic configuration shown in the above solution 2, since the steering lever is supported by the front pillar, there is no need to provide a support base for supporting the steering lever, and the front pillar is used as the supporting means. This is advantageous in that the structure can be simplified and miniaturized.

[Solution 3]
Another technical means of the present invention taken in order to solve the above problem is that the windshield is provided so as to bulge forward from the front edge of the floor surface of the operation cabin, and the side of the windshield. The front pillar located at the connection point between the side edge and the front side edge of the lateral side surface of the driving cabin follows the shape of the side edge of the windshield and is attached to the floor surface of the driving cabin. Also, the steering lever is disposed on the front side of the lower side of the front pillar at a position closer to the lateral side on the side where the door for getting on / off the driving cabin is provided. It has been done.

[Operation and effect of invention according to Solution 3]
According to the configuration shown in the above solution 3, the windshield is provided so as to bulge forward from the front edge of the floor surface of the driving cabin, so that the windshield is perpendicular to the front edge of the floor surface of the driving cabin. It is easier to look into the lower front side of the driving cabin than when it is installed upright or with a windshield that tilts backward from the front edge of the driving cabin floor. Combined with the fact that there is nothing to block the front view, such as a steering control tool or a structure for attaching the control control tool, at the position just in front of the seat, it is possible to further improve the visibility in the lower front of the driving cabin There is.
A steering lever is disposed along the shape of the side edge of the windshield and at the front side of the front side of the front pillar, although the upper side is located on the front side of the mounting area of the driving cabin on the floor. As a result, the steering lever is less likely to become an obstacle when the driver gets in and out of the driving cabin. That is, when the driver gets in and out of the entrance / exit where the door for getting in and out of the driving cabin is provided, the driver gets in and out of the floor of the driving cabin at the rear side of the lower end of the front pillar. There is an advantage that the steering lever located on the front side of the lower end of the pillar is less likely to touch the driver's body.

[Solution 4]
According to another technical means of the present invention taken to solve the above-mentioned problem, the steering lever is provided on an upper side of a box body equipped with a key switch, and the box body is in the driving cabin in plan view. The front side is inclined so that the end side in the left-right direction is closer to the front, and the center side in the left-right direction of the driving cabin is closer to the rear, and the end side in the left-right direction of the driving cabin in plan view is more forward This means that the rear side of the driving cabin is inclined so as to be closer to the rear side in the lateral direction of the driving cabin.

[Operations and effects of invention according to Solution 4]
According to the configuration shown in the solution means 4 described above, the horizontal width of the box body when the operator sitting on the driver's seat looks at the box body appears to be short, and the driver's field of view can be secured widely.
In other words, when the box body is viewed from the driver's seat side where the operator is present in plan view, for example, the box body is configured with a simple rectangular shape with the front side facing the front of the aircraft and the rear side facing the rear of the aircraft. For example, the horizontal width of the box body viewed from the driver's seat side is determined by the central corner of the driving cabin in the left-right direction on the front side of the box body and the end of the driving cabin in the left-right direction on the rear side of the box body. Although it becomes a wide thing corresponding to the length of the diagonal direction which ties the corner part of the side, in the invention concerning this solution means 4, as mentioned above, the inclined surface was provided in the front side and the back side of the box body. Therefore, compared with the case where the box body is formed in a rectangular shape, there is an advantage that the width of the box body in the horizontal direction as viewed from the driver seat side is shortened and the driver's field of view can be secured widely.

[Solution 5]
Another technical means of the present invention taken in order to solve the above-mentioned problem is that the steering lever is supported by an armrest disposed at a side portion of the seating surface of the driver seat.

[Operation and effect of invention according to Solution 5]
According to the configuration shown in the above solution 5, the steering lever is supported by the armrest at a position deviated from the front view of the operator seated in the driver's seat, thereby improving the visibility of the driving cabin in the lower front direction. There is an advantage that the steering lever can be gripped with good operability while the elbow is stably supported by the armrest while maintaining the state.

It is a right view of the normal type combine which concerns on this invention. It is a left view of the normal type combine which concerns on this invention. It is a top view of the normal type combine which concerns on this invention. It is a right view of an operation cabin. It is a front view of a driving cabin. It is a left view of an operation cabin. It is a rear view of a driving cabin. It is a cross-sectional top view of an operation cabin. It is a longitudinal front view of a driving cabin. FIG. 10 is a sectional view taken along line XX in FIG. 9. It is the XI-XI sectional view taken on the line in FIG. It is explanatory drawing which shows the state which opened the entrance door a little in the front pillar and operation box vicinity of the right front of a driving | running cabin. It is the XIII-XIII sectional view taken on the line in FIG. It is a schematic sectional drawing which shows the floor surface part of the driving | running cabin in another embodiment. It is a schematic plan view which shows the side panel box part in another embodiment. It is a schematic plan view which shows the side panel box part in another embodiment. It is a schematic plan view which shows the steering lever attachment location in another embodiment.

Hereinafter, embodiments of a combine to which the present invention is applied will be described with reference to the drawings.
〔overall structure〕
1 to 3 show an entire ordinary combine as an example of the combine of the present invention.
A cutting and conveying device 4 can be moved up and down on the front part of the traveling machine body 1 on which a threshing device 2, a grain tank 3, and an operation cabin 5 are mounted on a machine frame 11 having a pair of left and right crawler type traveling devices 10. Equipped with a normal combine. On the machine body frame 11, as shown in FIG. 3, the driving cabin 5 is disposed in the right front part, the grain tank 3 is provided in the right rear part on the rear side, and on the left side of the grain tank 3. A threshing device 2 is arranged at a certain left rear part.

The cutting and conveying apparatus 4 includes a feeder 40 for conveying a workpiece that extends forward from the front portion of the threshing apparatus 2 through the left lateral side of the operation cabin 5, and an object to be processed with respect to the feeder 40. And a reel device 42 that scrapes the tip side of the planted stem at the top of the cutting unit 41.
The mowing unit 41 includes a clipper-type mowing blade 41a for mowing the planted stems and a lateral feed auger for gathering the stems that have been processed by the mowing toward the entrance 40a side of the feeder 40. 41b, and the feeder 40 includes a chain-type scraping conveyor 40b.
Accordingly, the lying stalks are scraped to some extent by the reel device 42, cut by the cutting blade 41a, and then conveyed by the auger 41b toward the inlet 40a of the feeder 40, and the stalks ( The object to be processed is raked and conveyed along the bottom surface of the feeder 40 by the rake conveyor 40b and is fed to the front end of the threshing apparatus 2.

  As shown in FIG. 2, the cutting and conveying device 4 is pivotally supported around a horizontal axis x in the horizontal direction with respect to a fixed portion on the machine body frame 11 so as to be swingable up and down. By performing the telescopic operation, the posture is freely changeable between a cutting work posture in which the cutting unit 41 is close to the ground and a non-cutting working posture in which the cutting unit 41 is raised from the ground to a predetermined height.

The threshing device 2 is formed in a full-pile throwing type, includes a handling cylinder 20 that is long in the front-rear direction, threshs, discharges dust in the workpiece from behind, and includes threshed grains. The workpiece is configured to be fed into the grain tank 3.
In the grain tank 3, the to-be-processed object containing the grain sent in from the threshing apparatus 2 side is temporarily stored, and the to-be-processed object which contains a grain outside through the auger 30 for grain discharge from the grain tank 3 is processed. It is comprised so that a thing may be collect | recovered.

As shown in FIGS. 6 and 7, an engine room 13 is provided in the lower part of the driving cabin 5, and the engine 14 and the radiator 15 are on the left side in a state of being positioned below the driving seat 50 in the driving cabin 5. Are arranged in order.
As shown in FIG. 4, a dustproof cover 16 is disposed on the right outer side of the engine room 13 so as to prevent the radiator 15 that sucks outside air from the right outer side from sucking external dust and the like during intake. The intake outside air that has passed through the radiator 15 cools the engine 14 and is then exhausted to the left side of the engine room 13 (left side in FIG. 7).

[Driving cabin]
As shown in FIGS. 4 to 11, the operation cabin 5 includes a floor surface 5 </ b> A on the upper surface side of the floor plate 51 supported by a support member 11 a fixed to the body frame 11. Four columns 52 are erected, and the roof 53 is supported by the columns 52.
Among the four struts 52, a pair of left and right struts 52a and 52b (corresponding to front pillars) on the front side of the body are erected from the bottom floor surface 5A of the floor plate 51, but left and right rear sides. The pillars 52c and 52d are erected from a floor plate upper part 51a of the floor plate 51 that also serves as a support for the driver's seat 50 and a bonnet partition (see FIGS. 9 to 11).

Among the four struts 52, a windshield 54 made of curved glass is provided between a pair of left and right struts 52a and 52b (corresponding to front pillars) on the front side of the body.
The windshield 54 is provided over the entire range from the floor surface 5A to the roof portion 53, and as shown in FIGS. 10 and 11, is bulged forward from the front edge of the floor surface 5A. The front glass 54 is convexly curved forward so that the lower end of the windshield 54 is located on the rear side so that the inclination angle θ2 of the upper side portion is larger than the inclination angle θ1 of the lower side portion with respect to the horizontal plane in a side view. It is formed on the inclined surface.
Further, as shown in FIG. 8, the windshield 54 is formed in a curved shape in which a central portion in the left-right direction bulges forward from both end portions in the left-right direction, as seen in a plan view. . Accordingly, the windshield 54 is not a single curved surface having a curvature around a simple horizontal or vertical axis, but has a curvature around a plurality of axes intersecting each other in the vertical direction and the horizontal direction. It is composed of double curved surfaces.

The curved surface shape of the windshield 54 in a side view is such that the position slightly below the upper end of the windshield 54 shown in FIGS. Although the mounting orientation of the windshield 54 formed with a curved surface having a constant curvature is determined, the curvature of the windshield 54 in a side view is not limited to that of a constant curvature, for example, the curvature of the lower side portion is It is also possible to employ a material having a curvature larger than that of the upper portion, or a material having a curvature of the lower portion smaller than that of the upper portion.
As described above, the maximum forward projecting position P of the windshield 54 is set to a position slightly below the upper end of the windshield 54 when the operator's head is viewed when looking into the lower front of the driving cabin 5. This is because when approaching the windshield 54 as much as possible, the maximum forward projecting position P can be brought closer to the front as much as possible when compared with the upper end of the windshield 54.

The curved shape of the windshield 54 in a plan view is not formed with a constant curvature over the entire left and right direction as shown in FIG. 8, and the curvature near the end portions is more than the curvature near the center portion. It is large and has a gently curved surface close to a straight line at the central portion.
However, this is merely an example, and it is possible to adopt a curved surface shape of the windshield 54 in plan view formed with a constant curvature over the entire left and right direction.

As shown in FIGS. 4 and 6, the pair of left and right support columns 52 a and 52 b on the front side of the machine body, which are located on both right and left ends of the windshield 54, have the shape of the lateral edge of the windshield 54. Along the side surface, the windshield 54 is formed in a shape having an inclination similar to the inclination of the inclined surface.
That is, the support columns 52a and 52b have lower ends similar to the curved shape of the windshield 54 formed so that the inclination angle θ2 in the upper portion is larger than the inclination angle θ1 in the lower portion with respect to the horizontal plane in a side view. It has a slope that is convexly convex toward the front side so as to be located on the rear side, and is provided so that the upper side is located on the front side with respect to the location where the operation cabin 5 is attached to the floor surface 5A.

Of the lateral side portions of the driving cabin 5, at the right side portion, a space between the right front side support column 52a and the right rear side support column 52c is formed as an entrance for getting on and off the operator. An entrance / exit door 55 for opening and closing the mouth is mounted so as to be openable and closable via a hinge 55a provided on the right rear column 52c side.
The edge of the entrance door 55 on the front side of the machine body is formed in an edge shape along the curved shape of the right front side support column 52a having the same inclination as that of the inclined surface of the windshield 54. In this edge portion, the upper end side is larger than the lower end side and protrudes forward.

As shown in FIG. 4, the entrance / exit door 55 has a single piece of transparent glass 55d on the lower side, with a horizontal beam member 55c extending across the outer peripheral frame 55b at an intermediate position in the vertical direction. The upper side is a door window 55e configured to be opened and closed by a sliding operation with a pair of transparent glass sliding doors.
The vertical position of the crosspiece member 55c is set higher than the seating surface 50a of the driving seat 50 in the driving cabin 5 and lower than the upper surface of the operation box 6 described later.
Further, as shown in FIGS. 8 and 9, an inner gripping member 55 f that grips the door 55 for opening and closing from the indoor side of the operation cabin 5 is provided on the inner surface of the door of the horizontal rail member 55 c. is there. 4 and 5 is a handle used when opening and closing from the outside, and is attached in an inclined posture along the column 52a on the front side of the body of the driving cabin 5.

Among the lateral side portions of the driving cabin 5, at the left side portion, as shown in FIG. 6, a part of the left lateral side wall 56 is provided between the left front side column 52 b and the left rear column 52 d, and A lateral window 56a configured to be opened and closed by a sliding operation with a pair of front and rear transparent glass sliding doors is provided on the upper side of the lateral side portion in the vertical direction.
The openable and closable horizontal window 56a composed of the sliding doors is lower than the seat surface 50a of the driver's seat 50 in the driver's cabin 5 at the lower end side, similar to the vertical height of the horizontal rail member 55c of the passenger door 55. It is set to a height position that is higher and lower than the upper surface of the operation box 6 described later, and the upper end side is set to a vertical height position that reaches the lower edge of the roof portion 53.

Of the side surface portion of the driving cabin 5, a portion extending from the rear side portion of the right side portion where the entrance door 55 is provided to the rear side portion from the entrance door 55 is shown in FIGS. 4 and 8. As shown, it corresponds to the right rear corner of the driving cabin 5 over the portion from the rear side of the door 55 for the right side on the rear side of the right rear column 52c to the rear side. A fixed window 57 that cannot be opened and closed is configured by fitting a transparent glass that can be seen through. The outer wall of the right rear corner of the driving cabin 5 to which the fixed window 57 and the fixed window 57 are attached is formed in a curved shape as shown in FIG.
Further, as shown in FIGS. 7, 8, and 11, at the location on the rear side of the operation cabin 5, on the left side of the location where the fixed window 57 is formed in a part of the rear wall 58, the operation cabin 5 is operated. A rear window 58a configured to be opened and closed by sliding operation with a pair of left and right transparent glass sliding doors is formed from the upper side of the seat back 50b of the seat 50 to the lower edge of the roof portion 53.

  As shown in FIGS. 4 to 6, the roof portion 53 supported by the four support columns 52 is provided in a state in which the front side portion projects forward from the upper end of the windshield 54. Four headlamps 53a that illuminate the front of the cutting part 41 and the front of the cutting part 41 are attached to the left and right ends of the front side portion and a position close to the ends.

As shown in FIG. 8, the floor surface 5A of the driving cabin 5 has a lower end edge of the windshield 54 in a plan view, with the central portion in the left-right direction being more forward than the both end portions in the left-right direction. Since the bulging shape is a bulging shape, the front edge shape is swelled forward along the shape of the lower edge of the windshield 54 in the left and right direction than the both end portions in the left and right direction. It is formed in a protruding shape.
Further, as shown in FIGS. 8 to 11, a footrest portion 51b is provided near the front edge of the floor surface 5A so as to be positioned slightly above the floor surface 5A. The footrest portion 51b is attached to the floor surface 5A via a stay 51c on both left and right sides in an inclined posture with the front side of the fuselage being high and the rear side being low, and is positioned immediately in front of the driver seat 50. The lateral width of the 50 seating surfaces 50a is approximately the same as or slightly shorter than the lateral width.
Further, the footrest portion 51b is positioned such that at least the front side portion of the footrest portion 51b is located on the front side of the lower end position of the pair of left and right support columns 52a and 52b (corresponding to the front pillar) on the front side of the body. Further, the central portion of the front edge of the floor surface 5A is located at the central portion of the front edge of the curved shape that bulges forward from the both end portions in the left-right direction, and is positioned close to the front edge. Therefore, it is arranged as far as possible on the front side.
As a result, the driver's seat 50 can also be disposed relatively closer to the front side, which is advantageous when looking into the lower front of the driver's cabin 5.

As shown in FIG. 4 to FIG. 6 and FIG. 8, a cabin guard 59 is connected to the right front column 52a on the front side of the lateral side portion of the operation cabin 5 on the side where the entrance door 55 is provided. It is set up. The cabin guard 59 is formed of a metal pipe material having a shape curved along the curved shape of the right front column 52a that is a front pillar in a side view, and is near the lower end of the right front column 52a. And near the upper end.
The cabin guard 59 has a first rod-like guard portion 59a positioned at a predetermined distance on the laterally outer side with respect to the right front side support column 52a, and further to the front side of the first rod-like guard portion 59a. And a second bar-shaped guard portion 59b positioned at a predetermined interval.
The cabin guard 59 can get on and off while being gripped as a handrail when the first rod-like guard portion 59a and the second rod-like guard portion 59b open the entrance door 55 and the operator gets on and off. It has sufficient strength to be possible and is provided at a position where it can be easily grasped.

As shown in FIGS. 4 and 5 with respect to the cabin guard 59 configured as described above, the winker 80 is positioned between the right front column 52a and the first rod-shaped guard portion 59a in the left-right direction. The first rod-shaped guard portion 59a is positioned between the first rod-shaped guard portion 59a and the second rod-shaped guard portion 59b in the front-rear direction and is positioned below the handle 55g of the entry / exit door 55 in the vertical direction. It is attached to.
Further, as shown in FIGS. 4 and 5, the rearview mirror 81 is located on the laterally outer side of the second rod-shaped guard portion 59b and in the vertical direction with respect to the cabin guard 59 described above. It is attached so as to be located at a position equivalent to or higher than the upper end of 50b.
Further, an antenna 82 is attached to the upper end portion of the first rod-shaped guard portion 59a of the cabin guard 59 in a state of extending upward.
As shown in FIG. 5, a wiper 83 is disposed on the upper outer surface of the windshield 54.

[Control structure]
As shown in FIG. 8, inside the driving cabin 5 that is a control section, the driving seat 50 is disposed at the substantially center in the left-right direction, and a steering operation or the like is performed on the right front side of the driving seat 50. An operation box 6 is provided on the left side, and a side panel box 7 is provided on the left side for performing a shift operation and the like.

The driver seat 50 includes a seat surface 50a and a seat back 50b. Further, as shown in FIGS. 4, 8, and 10, the driver's seat 50 holds the driver's seat 50 when opening the passenger door 55 and getting into the driver's cabin 5. A boarding / unloading handle 50c is provided so that it can be used as an aid when the body is lifted while being lifted.
As shown in FIGS. 8 and 10, this entry / exit handle 50 c is a side view provided across the place where the driver's seat 50 is mounted on the floor board upper portion 51 b in the driver's cabin 5 and the place standing on the back side. Thus, it is constituted by a U-shaped member attached to the inverted L-shaped attachment member 51d in a side view.

[Operation box]
As shown in FIGS. 8 and 12, the operation box 6 for steering operation provided at the right lateral end of the driving cabin 5 has a steering lever 61, a combination switch 62, and a key switch on the upper surface side of the box body 60. 63 is equipped. The box main body 60 of the operation box 6 is disposed on the right front side of the driver seat 50 with respect to the right front side column 52a, which is the side where the passenger door 55 for the driving cabin 5 is provided, via the mounting member 6a. And cantilevered.
The operation box 6 has the box body 60 supported by the support column 52a, and the front side of the box body 60 in a plan view is closer to the front side toward the front end of the operation cabin 5 in the left-right direction. The front side 60a is inclined so that the center side in the direction is closer to the rear, and the rear side is also closer to the front side in the left-right direction of the driving cabin 5 in a plan view. A rear surface 60b is provided so as to be closer to the rear toward the center.
As a result, the horizontal width of the box body 60 when the operator sitting on the driver's seat 50 looks at the box body 60 appears to be short.

That is, for example, as shown by phantom lines in FIG. 8, if the box body 60 is formed of a simple rectangular shape with the front side facing the front side of the aircraft and the rear side facing the rear side, the box viewed from the driver seat 50 side. The horizontal width of the main body 60 is a corner on the center side in the left-right direction of the driving cabin 5 on the front side of the box main body 60 and a corner on the end side in the left-right direction of the driving cabin 5 on the rear side of the box main body 60. It becomes a wide thing corresponding to the length of the diagonal direction which ties a part.
The box main body 60 in the present invention is not such a rectangular box main body 60, but, as described above, the front side is closer to the front end side in the left-right direction of the driving cabin 5, and the center side in the left-right direction of the driving cabin 5 is. The front surface 60a inclined so as to be closer to the rear and the end side in the left-right direction of the driving cabin 5 in a plan view are inclined toward the front and the center side in the left-right direction of the driving cabin 5 is inclined toward the rear. And a rear surface 60b.
Therefore, the projection lines L1 and L2 from the central position O to the left and right ends of the box body 60 from the central position O of the seat 50a of the driver seat 50, which is the driver's presence position in plan view, are It becomes narrower than the projection lines L1 ′ and L2 ′ on the left and right ends of the rectangular box body 60 (see the phantom line in FIG. 8). As a result, the operator's field of view can be secured widely.

The steering lever 61 and the combination switch 62 provided on the upper surface side of the box body 60 are such that the steering lever 61 is located closer to the rear side near the driver seat 50, and the combination switch 62 is closer to the driver seat than the steering lever 61. It is provided near the front side far from 50.
As shown in FIGS. 5, 9, and 11, the operation box 6 is attached at a position higher than the seating surface 50 a of the driver's seat 50 and on the inner side of the passenger door 55. The upper surface of the box body 60 is provided at a position slightly higher than 55f.
Further, as shown in FIGS. 8 and 9, the position of the operation box 6 in plan view is such that the steering lever 61 for steering operation provided in the operation box 6 is located from the front of the driver seat 50. Also located slightly off the right side.
That is, the steering lever 61 is disposed in the driving cabin 5 at a position deviated from the position immediately before the driver seat 50 to the lateral side in the left-right direction, and thus corresponds to the operation tool for steering operation. The steering lever 61 and the box body 60 corresponding to a support structure for attaching the steering lever 61 are excluded from the position immediately before the driver seat 50, and there is almost nothing blocking the front view in front. A space S0 is provided between the driver seat 50 and the lower portion of the windshield 54 at the position just before the driver seat 50 so that the driver can see the lower front side of the driver cabin 5. As a result, it is possible to improve the visibility of the front and lower sides of the driving cabin 5 in the state of being mounted on the driver's seat 50.

  As shown in FIGS. 4 and 11, the operation box 6 is disposed so as to be located on the front side of the machine body from the lower end of the support 52 a on the right front side of the driving cabin 5 in a side view. Therefore, when getting in and out of the driving cabin 5, the passenger gets in and out of a region existing above the floor surface 5A in the driving cabin 5 that is located on the rear side of the fuselage rather than the lower end of the prop 52a on the right front side of the driving cabin 5. There is little possibility that the driver who is a thing will contact the operation box 6 provided in the front side which remove | deviated from the said area | region.

  The operation box 6 is located on the front side of the fuselage rather than the lower end of the support 52a on the right front side of the driving cabin 5 in a side view, but as shown in FIGS. In this case, a space is provided between the windshield 54 and the windshield 54. This is because when the steering lever 61 provided on the upper side of the operation box 6 is swung back and forth and left and right, a swing range to the front side is sufficiently secured so that the swing operation can be performed without any trouble. Is for.

  The steering lever 61 for steering operation is supported by the box body 60 so as to be swingable in the cross direction of front, rear, left and right. The operation position of the steering lever 61 is detected by a position detector (not shown) built in the box body 60, and the operation position of the steering lever 61 is controlled by a mechanical linkage mechanism such as a link mechanism. The devices in the box body 60 are linked to a device to be linked through a harness 66 made of a conductive wire or a signal wire.

When the steering lever 61 is swung to the right, the steering operation is performed so that the crawler type traveling device 10 turns to the right based on the detection result of a position detector (not shown) built in the box body 60. When the steering lever 61 is swung leftward, the steering operation is performed so that the crawler type traveling device 10 turns leftward based on the detection result of a position detector (not shown) built in the box body 60. Is done.
Further, when the steering lever 61 is swung forward, the feeder 40 and the cutting part 41 correspond to the operation position of the steering lever 61 based on the detection result of a position detection body (not shown) built in the box body 60. Decrease at speed. Similarly, when the steering lever 61 is swung backward, the feeder 40 and the cutting unit 41 are raised at a speed corresponding to the operation position of the steering lever 61. The greater the amount of swing operation from the neutral position, the faster the descending speed or ascending speed. When the swinging operation of the steering lever 61 is stopped and held at the neutral position, the feeder 40 and the cutting unit 41 stop at that position.

As shown in FIGS. 8 and 12, the combination switch 62 provided in the operation box 6 sounds an alarm phone by pressing the center push button 62a, and a lever provided around the push button 62a. By turning 62b, the headlamp 53a is turned on and off.
Further, the operation box 6 is also equipped with a key switch 63 for operating a starter switch which can be inserted into a key to start and stop the engine 14.

As shown in FIGS. 12 and 13, a harness 66 such as a conductive wire and a signal wire introduced into the operation box 6 is separated from the support 52 a along the support 52 a on the right front side of the driving cabin 5. Is installed in a harness cover 64 disposed inside the driving cabin.
Therefore, when the wiring or inspection of the harness 66 becomes necessary, an operation for disassembling the support column 52a is not required, and the operation for the internal harness 66 can be easily performed by attaching / detaching or disassembling the harness cover 64. It can be performed.

As shown in FIGS. 11 to 13, a lock device 55 h that is located on the lower right side of the box body 60 on the right front column 52 a of the operation cabin 5 and is provided on the cabin interior side of the entrance door 55. The door catcher 65 for engaging / disengaging is provided. The door catcher 65 is provided so as to be positioned on the front side of the machine body from the lower end of the support 52a on the right front side of the driving cabin 5 in a side view and on the front side of the machine body from the rear end of the box body 60. Yes.
Therefore, when getting in and out of the driving cabin 5, the passenger gets in and out of a region existing above the floor surface 5A in the driving cabin 5 that is located on the rear side of the fuselage rather than the lower end of the prop 52a on the right front side of the driving cabin 5. It is unlikely that the driver who is the vehicle is in contact with the door catcher 65 located further forward than the rear end of the box body 60 of the operation box 6 provided on the front side outside the region. That's it.

(Side panel box)
As shown in FIGS. 8 to 10, a side panel box 7 is provided on the left lateral side portion of the driver seat 50 in the driver cabin 5.
As shown in FIGS. 9 and 10, the side panel box 7 has an upper surface formed lower than the seat surface 50 a of the driver seat 50, and corresponds to a main shift lever 72 for travel (corresponding to a shift lever). ) And the like, and an electrical component placement portion 71 disposed on the front end side of the box main portion 70 and having electrical components disposed therein.
Further, in the box main portion 70, an outer portion 70 </ b> A in which various levers such as a main transmission lever 72 and a sub transmission lever 73 for traveling are disposed on the side far from the driver seat 50, and on the side closer to the driver seat 50. And an inner portion 70B on which various switch operating tools 74 are disposed. The grips of various levers such as the main transmission lever 72 and the auxiliary transmission lever 73 are attached so as to be higher than the seat surface 50a.

In the electrical component arrangement unit 71, an instrument display unit 71a provided with instruments frequently observed during normal cutting and threshing work is provided in a state of being housed in a resin case, and functions as a meter panel. And is attached integrally to the end portion of the box main portion 70 on the front side of the machine body.
In the instrument display unit 71a, for example, a work speed meter that displays the actual work vehicle speed at the center, a load display meter that displays the load from the engine speed, and the like are provided. A fuel gauge is provided.
The electrical component placement unit 71 may display various instrument parts with image display means such as liquid crystal.

As shown in FIGS. 6 and 10, the electrical component disposition portion 71 has a smaller vertical thickness than the box main portion 70, and the upper surface is on the same plane as the box main portion 70. The box main portion 70 is connected in a cantilevered manner from the upper front end to the diagonally right front side.
Therefore, there is a space in the vertical direction between the lower surface of the electrical component arrangement portion 71 and the floor surface 5A of the operation cabin 5, and the front edge 70a of the box main portion 70 and the inner surface of the front windscreen 54 are in front. There is also an interval in the front-rear direction. That is, an open space S1 in which the lower side of the side of the driving cabin 5 on the side where the side panel box 7 is present can be seen from the side of the driving seat 50 is formed at a position corresponding to the lower side of the electrical component arrangement portion 71. Yes.
As shown in FIGS. 6 and 10, the front edge 70 a of the box main portion 70 is formed in a shape that inclines so that the lower side is located on the rear side of the body along the inclination of the inner surface of the windshield 54. ing.

As shown in FIGS. 8 and 10, the electrical component disposition portion 71 extending from the front end portion of the box main portion 70 includes a pair of left and right support columns 52 a on the front side of the body located on both ends of the windshield 54. The lower end of 52b and the front edge of the floor surface 5A of the driving cabin 5 are extended to the front side of the fuselage and bent along the back surface of the windshield 54 in plan view, with the extended end side being the driver seat It has a shape bent toward the front side of 50 (oblique right front side).
The electrical component placement portion 71 has a straight side edge on the rear side close to the driver seat 50 in a plan view, and a curved side edge on the front side near the windshield 54 that is close to the inner surface shape of the windshield 54. .
As a result, the electrical equipment arrangement portion 71 is different from the structure in which the various instrument portions are arranged in the longitudinal direction of the machine body, for example, in the instrument display portion 71a. It will be in the state lined up in the direction along the back surface of the windshield 54. FIG. For this reason, as compared with the structure in which various instrument parts are arranged in the longitudinal direction of the aircraft as described above, the difference in distance from the driver seat 50 to the place where each instrument part is arranged can be reduced, and There is an advantage that it is easy to see without being inconvenienced that the distance from the driver's seat 50 increases as it is located and it is difficult to see.
Still, the electrical component placement portion 71 is cantilevered from the box main portion 70 side, the open space S1 exists below the electrical component placement portion 71, and below the electrical component placement portion 71. Since there is nothing that obstructs the front field of view, it is easy to view the lower side of the front side of the driving cabin 5 from the driver seat 50 side through the lower side of the electrical component placement portion 71.

In the box main portion 70, a main transmission lever 72 for traveling linked to various related devices (not shown) via a mechanical linkage mechanism (not shown) is provided on the outer portion 70A far from the driver seat 50. Various levers such as the auxiliary transmission lever 73 are disposed, and the inner portion 70B closer to the driver's seat 50 than the outer portion 70A is electrically connected to various related devices without using a mechanical linkage mechanism. Various switch operation tools 74 are arranged.
As shown in FIGS. 8, 9, and 10, the outer portion 70A is formed in a box shape standing from the floor plate 51 of the operation cabin 5, while the inner portion 70B is formed on the outer side. A bulge is formed so as to protrude from the upper portion of the portion 70A toward the driver seat 50, and a recessed space S2 is provided below the inner portion 70B so as to be recessed in a direction away from the driver seat 50. is there.

As shown in FIGS. 5 and 9, various levers such as the main transmission lever 72 and the auxiliary transmission lever 73 provided on the outer portion 70 </ b> A are located on the left side wall of the left side surface portion of the driving cabin 5 as shown in FIGS. 5 and 9. 56 or the side window 56a is inclined so as to approach the side where the driver's seat 50 exists.
That is, the lever base portion of the main transmission lever 72 protruding upward from the lever guide on the upper surface of the outer portion 70A is bent to the front right, and the auxiliary transmission lever 73 protruding upward from the lever guide on the upper surface of the outer portion 70A. Is bent toward the driver seat 50 side.

As shown in FIG. 8, the inner end 70 </ b> B has a front end 76 on the front side of the fuselage on the rear side of the fuselage with respect to the connection portion 75 between the outer portion 70 </ b> A and the electrical component placement portion 71 connected thereto. It is formed to be located. Further, the front end portion 76 of the inner portion 70B is inclined so as to be located rearward toward the driver seat 50 side.
Thus, between the front end portion 76 of the inner portion 70B and the inward side edge of the electrical component placement portion 71, including the connection portion 75 between the electrical component placement portion 71 and the box main portion 70, before and after that. A recessed portion S3 having a shape recessed in a direction away from the driver seat 50 in a plan view is formed in a side edge portion on the cabin cabin side.
As described above, since the recessed portion S3 is formed in the side edge portion on the cabin room side at the position including the connection portion 75 between the electrical component placement portion 71 and the box main portion 70, the electrical component placement portion 71 and the box main portion. From the viewpoint of the operator sitting on the driver's seat 50 which is a position higher than 70, it is possible to make the lower side of the front side of the driver's cabin 5 more easily visible.

A parking brake pedal 84 is disposed on the floor surface 5A of the driving cabin 5 that overlaps with the portion where the recessed portion S3 is formed in plan view, as shown in FIGS.
As a result, when the operator sitting on the driver's seat 50 depresses the parking brake pedal 84, the concave portion is not disturbed by the presence of the side panel box 7 located at a position lower than the seat surface 50a of the driver's seat 50. The parking brake pedal 84 can be depressed and operated in a state where the leg portion is inserted into the entry portion S3.

In the ordinary combine configured as described above, the windshield 54 is not a simple flat glass, but is formed in a curved shape having an inclined surface having a larger inclination angle in the upper part than in the lower part with respect to the horizontal plane. Therefore, it is possible to satisfactorily look into the front and lower sides of the driving cabin 5 from the indoor side and to be positioned in the front portion of the side panel box 7 disposed on the left side of the driving seat 50 in the driving cabin 5. An open space S1 is formed between the electrical component arranging portion 71 to be operated and the floor surface 5A of the driving cabin 5, and the open space S1 is not formed from the driver seat 50 in the left and right visual field β1 as shown in FIG. It is possible to secure a wider area than the visual field β2.
As a result, as shown in FIG. 3, at the right end (the already cut side) of the cutting unit 41 of the cutting and transporting device 4, the uncut ground remains after passing the cutting and transporting device 4 from between the operating cabin 5 and the cutting unit 41. Visual check at one check point CP1 for checking the presence or absence of the check point and another check point CP2 for checking whether the transfer state at the transfer point from the cutting unit 41 to the feeder 40 is good or not is performed. It has become easier.

[Other Embodiment 1]
As shown in the embodiment, the windshield 54 is not limited to a double curved surface having a curvature around a plurality of axes intersecting each other in the vertical direction and the horizontal direction, for example, a horizontal axis line. It may be composed of a single curved surface having a surrounding curvature.
In this case, the front edge of the floor surface 5A of the driving cabin 5 has a linear shape, but the pair of left and right columns 52a and 52b (corresponding to the front pillars) on the front side of the machine body have both edge shapes in the left and right direction of the windshield 54. In addition, it may be formed so as to have a curved shape so that the inclination angle θ2 in the upper portion is larger than the inclination angle θ1 in the lower portion with respect to the horizontal plane in a side view.
Other configurations are the same as those of the above-described embodiment.

[Second embodiment]
As shown in the embodiment, the windshield 54 is constituted by a double curved surface having curvatures around a plurality of axes intersecting each other in the vertical direction and the horizontal direction, or formed by a single curved surface. For example, a plurality of flat glasses may be combined to form a refractive shape in which the inclination angle θ2 at the upper portion is larger than the inclination angle θ1 at the lower portion with respect to the horizontal plane in a side view.
Also in this case, the front edge of the floor surface 5A of the driving cabin 5 has a linear shape, but the pair of left and right columns 52a and 52b (corresponding to the front pillars) on the front side of the fuselage are both left and right edges of the windshield 54. The shape may be refracted so that the inclination angle θ2 at the upper portion is larger than the inclination angle θ1 at the lower portion with respect to the horizontal plane in a side view.
Other configurations are the same as those of the above-described embodiment.

[3 of another embodiment]
In the above embodiment, the windshield 54 is provided in a range reaching the floor surface 5A from the roof 53, but is not limited thereto. For example, the lower end of the windshield 54 is the seat surface 50a of the driver seat 50. It is good also as a range which reaches to a position higher than the floor surface 5A below.
In this case, the field of view on the front lower side of the driving cabin 5 is narrower than that provided in the range where the lower end of the windshield 54 reaches the floor surface 5A, but the windshield 54 is not a flat glass but in a side view. By having such an inclination that the inclination angle θ2 in the upper part is larger than the inclination angle θ1 in the lower part with respect to the horizontal plane, the driver seat 50 can be disposed considerably forward in the driver cabin 5. Therefore, as compared with the structure in which the windshield 54 reaches only near the waist of the operator on which the windshield 54 is seated, the driving cabin 5 has a considerably large field of view on the lower front side of the driving cabin 5. The pilot can drop his line of sight to the side close to the bottom just before.
Other configurations are the same as those of the above-described embodiment.

[4 of another embodiment]
As shown in the embodiment, the footrest portion 51b disposed in the driving cabin 5 is not limited to a structure in which a footrest member is separately attached on the floor surface 5A. As shown, the footrest portion 51b may be formed by providing a portion inclined forward in the front end portion of the floor surface 5A of the driving cabin 5. Other configurations are the same as those of the above-described embodiment.

[5 of another embodiment]
As shown in the embodiment, the electrical component placement portion 71 of the side panel box 7 constituting the control portion is bent and formed along the back surface of the windshield 54 in a plan view, and the extension end side of the driver seat 50 is formed. For example, as shown in FIG. 15, the electrical component placement portion 71 of the side panel box 7 is located on the front side of the box main portion 70. A linearly extending structure may be used.
In this case, a recessed portion S3 having a shape that is recessed in a direction away from the driver's seat 50 in a plan view, at a side edge portion on the cabin interior side at a position including the connection portion 75 between the electrical component arranging portion 71 and the box main portion 70. However, the front end portion 76 of the inner portion 70 </ b> B on which various switch operating tools 74 are disposed on the side closer to the driver seat 50 is more than the connection portion 75 between the electrical component disposition portion 71 and the box main portion 70. By being located on the rear side of the machine body, it is easy to look into the lower side of the front side of the driving cabin 5.
Further, the parking brake pedal 84 is disposed on the front side of the front end portion 76 of the inner portion 70B on which various switch operation tools 74 are disposed on the side close to the driver seat 50, so that the seating surface 50a. The parking brake pedal 84 can be depressed without being disturbed by the presence of the side panel box 7 at a lower position.
Although not shown, the electrical component disposition unit 71 includes a meter display unit 71 a oriented in the left-right direction, and extends from the front end of the box main unit 70 to the front side of the driver seat 50, so that the box main unit 70 And the electrical component placement portion 71 in a plan view may be formed to be bent in an L shape.
Other configurations are the same as those of the above-described embodiment.

[6 of another embodiment]
As shown in the embodiment, the side panel box 7 constituting the control unit is viewed in plan view on the side edge portion on the cabin interior side at a position including the connection part 75 between the electrical component arranging unit 71 and the box main unit 70. For example, as shown in FIG. 16, the side panel box 7 is positioned at a position away from the connection point 75 to the front side. You may form indentation part S3 of the shape dented in the direction away from the driver's seat 50 by planar view in the electrical equipment arrangement | positioning part 71 side.
Other configurations are the same as those of the above-described embodiment.

[7 of another embodiment]
As shown in the embodiment, the operation box 6 is limited to a structure that is supported by a right front side support column 52a (corresponding to a front pillar) on the front side of the machine body, for example, the floor surface of the driving cabin 5 A support leg may be erected near the right front column 52a from 5A, and the operation box 6 may be supported by the support leg.
Other configurations are the same as those of the above-described embodiment.

[8 of another embodiment]
In the embodiment, the shape of the box main body 60 of the operation box 6 is such that the front side of the box main body 60 in the plan view is closer to the front side toward the front end of the driving cabin 5 in the left-right direction and the driving cabin 5 is centered in the left-right direction. The front surface 60a is inclined so as to be closer to the rear side, and the rear side is also closer to the front side toward the end side in the left-right direction of the driving cabin 5 in the plan view and rearward toward the center side in the left-right direction of the driving cabin 5. Although the thing provided with the rear surface 60b inclined so that it may approach was shown, it is not restricted to such a shape, The thing provided only with the said inclined front surface 60a, or the thing provided with only the said inclined rear surface 60b It may be.
Moreover, in the said embodiment, the thing of the structure which inclined the whole front side of the box main body 60 is shown as the said inclined front surface 60a, and only a part of the rear side of the box main body 60 is shown as the said inclined rear surface 60b. Although an inclined structure is shown, the present invention is not limited thereto, and only a part of the front side of the box body 60 is inclined as the inclined front surface 60a, or the rear side of the box body 60 is set as the inclined rear surface 60b. The whole structure may be inclined.
You may use the box main body 60 formed in the simple planar view rectangular shape which is not provided with such an inclined front surface 60a or the inclined rear surface 60b. Other configurations are the same as those of the above-described embodiment.

[9 of another embodiment]
As shown in the embodiment, the entrance / exit door 55 of the operation cabin 5 is not limited to open / close operation with the hinge 55a on the rear side of the machine body as a swinging fulcrum. For example, the hinge 55a is connected to the right front column 52a. It may be provided and configured to open and close around a swing fulcrum on the front side of the machine body.
Other configurations are the same as those of the above-described embodiment.

[10 of another embodiment]
In the embodiment, a pair of door windows 55e provided on the entrance door 55, side windows 56a provided on the left side surface of the driving cabin 5, and rear windows 58a provided on the rear side surface of the driving cabin 5 are respectively paired. However, the structure is not limited to such a structure. For example, the structure can be configured to be swingable in a horizontal direction or swingable in a vertical direction. May be.
Other configurations are the same as those of the above-described embodiment.

[11 of another embodiment]
The mounting position of the steering lever 61 is not limited to that provided on the lateral side portion of the front portion of the driving cabin 5 as shown in the embodiment. For example, as shown in FIG. You may equip with the armrest 50d provided in a side position.
That is, the armrest 50d is pivotally supported via the horizontal shaft 50e with respect to the right lateral side portion of the seat back 50b of the driver seat 50, and the operation box 6 is attached to the distal end portion of the armrest 50d. It is. The armrest 50d is in a usable posture in which the upper surface of the armrest 50d is substantially horizontal and is supported from below by the stopper 50f and can be armrested.
When the free end side of the armrest 50d is lifted upward around the horizontal axis 50e, the armrest 50d is moved to the rear side of the driver seat 50 together with the stopper 50f as shown in phantom lines in FIG. Thus, the vehicle is located at a location that does not obstruct the driver's getting on and off the driving cabin 5.

  The operation box 6 attached to the armrest 50d is equipped with a steering lever 61, a combination switch 62, and a key switch 63 on the upper surface side of the box body 60 as in the above-described embodiment. The upper surface of the box body 60 is positioned slightly lower than the upper surface of the armrest 50d, and the grip portion of the steering lever 61 is disposed slightly higher than the upper surface of the armrest 50d. The steering lever 61 and the combination switch 62 can be easily operated while the elbow is put on the arm.

The configuration for moving the armrest 50d to a position away from the front portion of the driver seat 50 is not limited to the vertical swing around the horizontal axis 50e as described above, and may be configured as follows, for example. Good.
Although not illustrated, for example, the entire armrest 50d is configured to be movable back and forth with respect to the seat back 50b of the driver seat 50, or the armrest 50d itself is configured to be extendable and retractable so that the operation box 6 on the free end side can be used. The armrest 50d is moved back and forth, or the rear end side of the armrest 50d is supported so as to be swingable around the swing axis in the vertical direction, and the front end side of the armrest 50d is shifted laterally outward with respect to the front portion of the driver seat 50. You may make it make it.
Further, the armrest 50d is not limited to the one supported on the seat back 50b of the driver seat 50, for example, the one supported by the seat constituting the seat surface 50a of the driver seat 50, or the vicinity of the driver seat 50. It may be supported by the floor portion.
Other configurations are the same as those of the above-described embodiment.

  The configuration of the combine according to the present invention is not limited to the ordinary combine as shown in the embodiment, but can be applied to a self-decomposing combine, and is not limited to a combine that harvests grains such as rice and wheat. You may apply to the combine which harvests beans, rapeseed, etc., such as soybeans.

5 Driving Cabin 5A Floor 50 Driver's Seat 50a Seat 50d Armrest 52a Front Pillar 52b Front Pillar 53 Roof 54 Windshield 55 Entrance Door 60 Box Body 60a Front 60b Rear 61 Steering Lever 63 Key Switch S0 Space

Claims (5)

A driver's seat is arranged in the driver's cabin, and a windshield provided between the pair of left and right front pillars of the driver's cabin is provided in a range extending from the roof of the driver's cabin to below the seat surface of the driver's seat. ,
The operation tool for steering operation is constituted by a steering lever, and this steering lever is disposed in the driving cabin at a position deviated to one side in the horizontal direction from the position immediately before the driver's seat. There is a space between the seat and the windshield in front of it so that the space below the front side of the driving cabin can be seen, and the grip portion of the steering lever is provided at a position higher than the seating surface of the driving seat. There is a combine.   The combine according to claim 1, wherein the steering lever is supported by the front pillar.   The windshield is provided so as to bulge forward from the front edge of the floor surface of the driving cabin, and at the connection point between the side edge of the windshield and the front edge of the side surface of the driving cabin. The front pillar is positioned along the shape of the side edge of the windshield, and the upper side is located on the front side of the location where the driving cabin is attached to the floor surface. The combine of Claim 1 or 2 arrange | positioned in the front side rather than the lower end of the said front pillar in the location near the side of the side by which the door for boarding / alighting of the said driving | running | working cabin was provided.   The steering lever is provided on an upper side of a box body equipped with a key switch, and the box body is closer to the front side in an end portion in the left-right direction of the driving cabin in plan view and left and right of the driving cabin. The front side is inclined so that it is closer to the rear in the direction of the center, and the front side is closer to the front side in the left-right direction of the driving cabin in plan view, and the rear side is closer to the center side in the left-right direction of the driving cabin. The combine as described in any one of Claims 1-3 provided with the rear surface inclined like this.   The combine according to claim 1, wherein the steering lever is supported by an armrest disposed at a side portion of the seat surface of the driver seat.

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