JP2000236732A - Operation part structure of combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an operation part structure of a combine harvester enabling easy access of the operator to a reaping part, etc., for the narrow floor space of the operation part by setting the plane area of the sitting space to a specific size at a level of the top of the side cover. SOLUTION: The operation part structure of a combine harvester is provided with a sitting space surrounded by a seat-supporting bed 12 for supporting an operation seat 11, an operation tower 13 positioned in front of the seat- supporting bed 12 and a side cover 15 positioned between the seat-supporting bed 12 and the operation tower 13. The plane area of the sitting space is set to be larger than the floor area of the operation floor 14 at a level equal to the top of the side cover 15. The sitting space may be provided with a sitting space part curved by top view in a manner to position the convex part at the outside of the sitting space at a level equal to the top end of the side cover 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a seat support for supporting a driver's seat, a control tower positioned in front of the seat support, and a side cover positioned between the seat support and the control tower. The present invention relates to a driving unit structure of a combine having a living space.

[0002]

2. Description of the Related Art In a conventional operating unit in the above-mentioned combine, if the floor of the operating unit floor is small, the flat area above the living space is as small as the floor area.
The living space was rectangular in plan view.

[0003]

When the cutting section is viewed, for example, by knowing the state of transport of the grain culm from the driving section, the closer the body is to the cutting section, the easier it is to see. However,
When the floor of the driving section floor was narrow, it was difficult to approach the cutting section. SUMMARY OF THE INVENTION It is an object of the present invention to provide an operating unit structure of a combine which can easily bring a body closer to a reaping unit or the like when the size of the operating unit floor is divided.

[0004]

The constitution, operation and effect of the invention according to claim 1 are as follows.

[0005] [Constitution] A seat support for supporting a driver's seat, a control tower positioned in front of the seat support, and a living space surrounded by a side cover positioned between the seat support and the control tower. In the operating unit structure of the combine, the plane area of the living space at the same level as the upper end of the side cover is larger than the floor area of the operating unit floor.

[Operation] When the upper body protrudes outward from the living space, for example, by seeing through the mowing part, the flat area at the side cover upper end level of the living space is the same as the floor area, and the side cover upper end level of the living space. According to the present invention in which the flat area is larger than the floor area, even if the floor area is the same, the one according to the present invention is farther outward than the living space due to the difference in area between the upper side of the living space and the floor surface. It becomes easy to stick out.

[Effect] While the floor of the driving section is relatively narrow and easy to install in a narrow space on the body frame of the traveling body, the floor area is divided by moving the body closer to the cutting section. Can be advantageously operated, such as being able to easily see through a wide range.

The structure, operation and effect of the invention according to claim 2 are as follows.

[Structure] A seat support for supporting a driver's seat, a control tower positioned in front of the seat support, and a living space surrounded by a side cover positioned between the seat support and the control tower are provided. In the operating part structure of the combine, the living space is provided with a living space portion which is curved at a level equal to the upper end of the side cover so that the convex side is located outside the living space when viewed in the vertical direction of the body.

[Effect] For example, the interior surface of the side cover has a concave curved surface, and a curved living space portion whose convex side faces outward is provided on the reaping portion side. While not much different,
With the body positioned in the curved living space, the body can be brought closer to the mowing part than before. In this way, the living space is provided with a curved living space portion so as to bring the body closer to a desired place outside the living space, and the living space as a whole has the same floor area as the conventional one, It is formed so that the body can be brought closer to a desired place outside the living space than before.

[Effect] While the floor of the driving section is relatively narrow and easy to install even in a narrow space on the body frame of the traveling body, the floor area is divided by moving the body closer to the cutting section. Can be advantageously operated, such as being able to easily see through a wide range.

The structure, operation and effect of the invention according to claim 3 are as follows.

[Structure] In the structure according to the second aspect of the present invention, the living space is formed by providing a concave curved surface portion on the inner surface of the side cover.

[Action] A curved living space portion in which the convex side is positioned on the cutting portion side is located at a portion of the living space located on the cutting portion side, and the body is positioned on the curved living space portion and the mowing is performed. It is easy to get close to the department.

[Effect] Therefore, when dividing the floor area,
The body can be brought close to the reaping part so that the reaping part can be easily seen over a wide range.

The structure, operation and effect of the invention according to claim 4 are as follows.

[Structure] In the structure of the invention according to any one of claims 1 to 3, an operation lever guide supported on the upper end side of the side cover is provided, and the operation lever guide is provided in the living space. A curved side edge curved along a curved surface of an inner surface of the side cover is provided on the opposed side edge.

[Operation] The operation lever guide is supported by the side cover so that the operation lever disposed on the side of the living space for easy operation can be smoothly operated along the lever guide. In addition, when looking through the mowing part, the side edge of the operation lever guide is a curved side edge curved along the inner surface of the side cover, so that the operation lever guide is used when using the curved living space part. The body is positioned in the curved living space portion while being hardly obstructed, and can be approached to the reaper.

[Effect] In order to smoothly operate the operating lever along the lever guide so that it can be operated lightly, the body can be brought as close as possible to the reaping section so that the reaping section can be easily seen through.

The structure, operation and effect of the invention according to claim 5 are as follows.

[Structure] In the structure of the invention according to any one of claims 1 to 4, the inner surface of the side cover is provided with:
An inclined surface portion which is located on the outer side of the living space toward the upper end of the side cover is provided.

[Operation] When a bent space portion is used, such as when seeing through the cutting portion, the upper end side of this space portion protrudes from the floor surface toward the cutting portion, and the upper body projects from the living space and is brought closer to the cutting portion.

[Effect] In the case where the operating unit floor is made more compact and the operating unit is in a narrow space, both the bending of the bent space portion and the upper end side projecting toward the reaping unit side from the floor surface. Although it can be installed advantageously, the body can be brought closer to the reaper and can be easily seen over a wider area.

The structure, operation and effect of the invention according to claim 6 are as follows.

(Structure) In the structure of the invention according to any one of claims 1 to 5, a driving section floor is provided between the seat support and the control tower, and the seat support and the side cover are provided. And the control tower and the operating section floor are supported by a traveling body frame so as to be swingable around a body horizontal axis located at a front end side of the structure in a state of forming one structure, The configuration is such that the seat support can be swingably switched between a use state in which the seat support is connected to the traveling body frame and an open state in which the seat support is raised and separated from the traveling body frame.

[Operation] Normally, when the traveling body side portion covered by the seat support is opened, the seat support, the driving section floor, the control tower, and the side cover are integrally integrated with the front end side of this one structure. Swing around the body frame around the axis located at the position, the traveling body side portion is largely opened and its vicinity is also opened, and furthermore, an obstacle at the time of repair or inspection of the opened portion is an open portion. It is possible to open to a state that does not exist on the lateral outside of the vehicle. Also, when the seat support is opened, the side cover also rises and swings, so that the transmission and the mowing part, which are normally located on the side opposite to the driving part with respect to the side cover, also operate. It can be opened for inspection and repair from the department side.

[Effects] Inspection and repair of the drive unit that covers the seat support base also as the engine bonnet, or a transmission device or a mowing unit located on the side opposite to the driving unit side with respect to the seat support base or the side cover. When inspecting or repairing the equipment parts, make sure that the drive unit and equipment parts are large and open so that there are no obstacles for inspection and repair, so that inspection and repair work can be performed easily and efficiently. Advantageously obtained.

[0028]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1 and FIG.
Is provided on the side of the driving unit 10 of the traveling body, which has a driving unit provided with the engine 2 located below the driver's seat 11.
1. A cutting unit 20 provided with a dust-proof cover 22 is movably mounted on the cutting unit 20. The threshing unit 3 is located on the rear side of the cutting unit 20, and the resin grain is located on the rear side of the operating unit 10. A tank 4 is provided on the traveling body, and a threshing device 3 is provided.
A waste straw treatment device 5 is provided on the rear side, and a grain discharge device 7 is connected to a rear portion of a bottom screw case 6 to which the bottom side of the grain tank 4 is connected, thereby forming a combine.

That is, the cutting unit 20 raises and processes the planted grain culm of rice or the like by the raising device 21 and also cuts by the clipper-type cutting device 23, and positions the cut grain culm below the dustproof cover 22. It is conveyed by a vertical conveying device (not shown) and supplied to the start end of the threshing feed chain 3a of the threshing device 3. At this time, scattering of dust is prevented by the dustproof cover 22.

The threshing device 3 includes a threshing feed chain 3a.
The tip side is supplied to a threshing unit while holding and transporting the root side of the cut culm by threshing, and threshing is performed. Threshing grains are supplied to the grain tank 4 and threshing waste straw is supplied to the waste straw processing device 5. I do. The waste straw processing apparatus 5 is switched to the shredding processing state, shreds the threshing waste straw and discharges it to the field, and is switched to the long straw processing state to lengthen the threshing waste straw. It is released to the field in the straw state. The grain discharge device 7 includes a vertical screw conveyor 7a connected to a bottom screw 6a located inside the bottom screw case 6, and a horizontal screw conveyor 7b connected to an upper end side of the vertical screw conveyor 7a. Threshing grains from the screw 6a are pumped up by the vertical screw conveyor 7a, supplied to the horizontal screw conveyor 7b, and discharged from the discharge port 7c of the horizontal screw conveyor 7b.

As shown in FIGS. 3 and 5, the driving section 10 includes a seat support 12, the driving seat 11 connected to the upper surface of a top plate 12 a of the seat support 12,
A control tower 13 located in front of the seat support 12, a driving section floor 14 located between the seat support 12 and the control tower 13, and a drive tower 13 located between the left lateral ends of the seat support 12 and the control tower 13. A side cover 15 that covers the lower part of the living space so as to prevent dust, driving noise or hot air generated in the mowing part 20 or the prime mover from entering the living space of the driving part 10, and an upper end side of the side cover 15. Lever guide 1 which is connected to the top plate 12a of the seat support 12
6, an operation panel 17 located between the front end of the operation lever guide 16 and the left lateral end of the control tower 13;
A living space for steering operation comprising a lower living space S surrounded by a control tower 13 and a side cover 15 and an upper living space provided with a driver's seat 11, a seat support 12 and a right side of the control tower 13. Each of the entrances located between the side edges is provided.

The control tower 13 is provided with an operation lever 30 for operating the mowing unit 20 to move up and down and to steer the traveling machine body, and a gripping rod 31 that the operator supports to stabilize the body. The operating lever guide 16 has guide grooves for guiding the respective operations of the main transmission lever 32 for operating the main transmission for traveling, the auxiliary transmission lever 33 for operating the auxiliary transmission for traveling, and the threshing lever 34 for switching the threshing clutch. Is provided. The operation panel 17 includes a waste straw processing device 5.
A clogging warning lamp that lights up and warns when a straw is clogged in the waste straw cutter, a full lamp that lights up and notifies when the grain tank 4 is full, and a water temperature that lights up and warns when the engine coolant temperature rises abnormally. It includes a lamp, an oil lamp that lights up when the engine oil level is low to give an alarm, a charge lamp that lights up when a battery charging failure occurs and an alarm, and an engine tachometer indicating the load state of the engine 2 and a load display section.

The front end surface portion 14b of the floor 14a of the operating section floor 14 located below the control tower 13 is formed as a front-inclined inclined surface which is located at a higher level toward the front of the fuselage.

The seat support base 12 is connected to the rear end side of an intake tower 35 having an upward intake port 35a and a forward intake port 35b for sucking the combustion air of the engine 2 into the prime mover. A top plate portion 12a configured to mount the driver's seat 11 on the upper surface side, and a front side wall configured such that an upper end portion is connected to a front end portion of the top plate portion 12a and a lower end side is connected to the driving portion floor 14. So that the air intake tower 35 is connected to the rear end side and covers the right side of the driver's seat 11.
a and a lateral outer wall portion 12c configured to cover a right lateral side of a space surrounded by the front wall portion 12b. The lateral outer wall portion 12c is provided with a through hole H that forms a grip portion G used when getting on and off the driving section.

As shown in FIG. 6, the top plate 12a
It is formed so as to cover the upper part of the driving part and to have a hollow part K1. The front side wall portion 12b is formed so as to cover the front side of the body of the prime mover and to have the prime mover with an intake port A1 through which the combustion air of the engine 2 is sucked. The lateral outer wall 12c is formed so as to cover the lateral outer side of the body of the driving unit.

That is, the seat support 12 serves as an engine hood, and the driving sound and heat radiation of the engine 2 generated in the driving portion are not easily transmitted to the living space by the sound insulation and heat insulation effect of the hollow structure of the top plate 12a. In addition, the upper part of the engine 2, the front side of the fuselage, and the lateral outer side of the fuselage are covered while allowing the engine combustion air to be sucked from the front wall portion 12b.

The lower end of the seat support 12 is connected to the rear end of the operating floor 14, and the control tower 13 and the operating floor 1 are connected by a pair of left and right connecting parts 31 a provided at the lower end of the control tower 13.
4, the side cover 15 is connected to the top plate 12 a of the seat support 12 and the side of the control tower 13, and is also connected to the operation unit floor 14.
The connecting portion 31a extends from the front end of the body frame 8 of the traveling body and the pair of connecting portions 31a, 31
a rotatably connected to a mounting portion 8a which is configured to be inserted between the shaft portions P around the axis P in the machine body lateral direction. As a result, the seat support 12, the driving floor 14, the control tower 13, and the side cover 15 form one structure, and the side of the shaft P, which is located at the front end side of the structure and is oriented sideways to the body, is formed. The seat support 12, the operating section floor 14, the control tower 13, and the side cover 15 can be swung with respect to the aircraft frame 8 at a stroke. By performing the moving operation, the seat support 12 is connected to the body frame 8 to cover the driving part as shown in FIGS. 1 and 3, and the seat support 12 is raised from the body frame 8 as shown in FIG. It can be switched to the open state in which the prime mover is opened by separating.

That is, in normal times, the seat support 12 is brought into the above-mentioned use state to enable use of the driver's seat 11 and used as an engine bonnet. Then, when inspecting or repairing a drive unit or a device portion covered by the side cover 15 such as the vertical transport device of the mowing unit 20, the seat support base 12 is switched to the open state, the driving unit is opened, and the mowing unit is opened. The side of the device part 20 is opened. At this time, the main shift lever 32, the sub shift lever 33,
The threshing lever 34 is mounted on the operation lever guide 16
From the guide groove.

Each of the top plate portion 12a, the front side wall portion 12b, the lateral outer side wall portion 12c, the driving section floor 14, the control tower 13, the side cover 15, the operation lever guide 16, and the intake tower 35 of the seat support base 12 Made of synthetic resin.

As shown in FIGS. 7 and 9, a front inner side surface portion 15 b of the inner side surface of the side cover 15 located forward of the step forming surface portion 15 a, and a step forming surface portion 1
The rear inner side surface portion 15c located on the rear side of the lower side 5a is a concave curved surface whose convex side is located outside the lower living space S when viewed from the vertical direction of the fuselage.
The upper end 15u of the lower living space S is formed so as to have an inclined surface located outside of the lower living space S so as to reach the upper end 15u, and has a level equal to the upper end 15u of the side cover 15 of the lower living space S as shown in FIGS. The flat area SU in the operation section floor 1
4 so as to be larger than the area FS of the floor surface 14a,
In addition, the living space portion SA located on the cutting section 30 side of the lower living space S is curved at a level equal to the upper end 15u of the side cover 15 in a state where the convex side is located outside the living space in the vertical direction of the aircraft. It is configured to be a concavely curved living space portion. The front edge portion 1 located on the front side of the step forming side edge portion 16a corresponding to the step forming surface portion 15a of the side cover 15 among the side edges of the operation lever guide 16 facing the lower side living space S.
6b is formed in a curved shape that curves along the upper end of the front inner side surface portion 15b of the side cover 15, and the step forming side edge of the side edge of the operation lever guide 16 facing the lower living space S. The rear side edge portion 16c located on the rear side of the minute portion 16a is connected to the rear inner side surface portion 1 of the side cover 15.
5c is formed along the upper end of the lower living space S so that the operating lever guide 16 does not become an obstacle when the reaper 20 is viewed.
A, and it is possible to approach the reaper 30 as much as possible.

As shown in FIG. 7, the side cover 15
Is formed, the rear side cover portion 15d of the side cover 15, which has the step forming surface portion 15a and is located on the rear side of the fuselage, has a double plate shape having a hollow portion K2. The front side cover portion 15e located between the cover portion 15a and the control tower 13 has a solid plate shape, and the thickness of the front side cover portion 15e in and out of the living space is such that the rear side cover portion 15d is occupied. The thickness is smaller than the thickness in the space inside and outside directions, and the outer surface of the rear side cover portion 15d is
e is formed so as to protrude outward of the lower living space S from the outer side surface of e. Accordingly, the side cover 15 shields the driving sound and heat radiation of the engine 2 generated in the prime mover in a state where it is difficult to transmit to the living space S due to the sound insulation and the shielding effect of the hollow structure of the rear side cover portion 15d. In contrast, the side cover 15 is made as compact as possible due to the difference in thickness between the front side cover portion 15e and the rear side cover portion 15d and the step on the outer side, and the lower living space S
Becomes as wide as possible.

As shown in FIG. 9, the operation lever guide 16
Main transmission lever 32, sub transmission lever 33,
The upper surface portion 16d provided with a guide groove for each of the threshing levers 34 is formed on an inclined surface located at a lower level toward the living space so as to be easily seen from the driver's seat 11.

[Another Embodiment] The top plate portion 12a, the front side wall portion 12b, the lateral outer side wall portion 12c, the driving section floor 14, the control tower 13, the side cover 15, the operation lever guide 16, the intake tower, and the like of the seat support base 12. In making and implementing each of 35 with synthetic resin, in addition to individually creating and connecting them, a plurality of them are made at a time by blow molding, and other parts are formed separately from this integrated part. Various methods may be employed, such as connecting them after they are created, or creating them all at once by blow molding.

The seat support 12, the driving floor 14, and the control tower 1
3, each of the side cover 15 and the operation lever guide 16 may be made of sheet metal in addition to being made of synthetic resin.

[Brief description of the drawings]

FIG. 1 is a side view of the entire combine.

FIG. 2 is a plan view of the entire combine.

FIG. 3 is a perspective view of a driving unit.

FIG. 4 is a side view showing an open state of the seat support.

FIG. 5 is a plan view of the driving unit.

FIG. 6 is a sectional view of a seat support and an intake tower.

FIG. 7 is a sectional view of a side cover.

FIG. 8 is an explanatory diagram of a floor area and a flat area of a living space.

FIG. 9 is a front view of the seat support.

[Explanation of symbols]

 Reference Signs List 8 fuselage frame 11 driver seat 12 seat support member 13 flight tower 14 driver floor 15 side cover 15u upper end of side cover 15b, 15c inner surface of side cover 16 operation lever guide 16b, 16c side edge of operation lever guide P axis S Living space SU Flat area of living space FS Floor area SA Living space

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Masachi Fukushima 64 Ishizu-Kitacho, Sakai City, Osaka Prefecture F-term in Kubota Sakai Works (reference) 2B074 AA02 AB01 AC02 AD05 AE01 AE03 AF02 BA04 BA08 BA15 CA01 2B076 AA03 BA03 BA08 BC07 BC09 CD05

Claims (6)

[Claims] 1. A living space surrounded by a seat support for supporting a driver's seat, a control tower positioned in front of the seat support, and a side cover positioned between the seat support and the control tower. The driving unit structure of a combine, wherein the plane area of the living space at the same level as the upper end of the side cover is larger than the floor area of the driving unit floor. 2. A seating space for supporting a driver's seat, a control tower positioned in front of the seat support, and a living space surrounded by a side cover positioned between the seat support and the control tower. An operating part structure of the combine, wherein the living space has a living space portion curved at a level equal to the upper end of the side cover so that a convex side is located outside the living space when viewed in the vertical direction of the fuselage. Driving unit structure. 3. The operating unit structure for a combine according to claim 2, wherein the interior space of the side cover is provided with a concave curved surface portion to form the living space portion. 4. An operation lever guide supported on an upper end side of the side cover is provided, and a side edge of the operation lever guide facing the living space is formed along a curved surface of an inner surface of the side cover. The operating part structure of a combine according to any one of claims 1 to 3, further comprising a curved side edge portion that is curved. 5. The combine according to claim 1, wherein the inner surface of the side cover is provided with an inclined surface portion that is located on the outer side of the living space toward the upper end of the side cover. Driving unit structure. 6. An operation section floor located between the seat support and the control tower, wherein the seat support, the side cover, the control tower, and the operation section floor are integrated into one structure. A use state in which the vehicle body frame is swingably supported around a laterally oriented axis located at the front end side of the structure in a formed state and the seat support is connected to the vehicle body frame; The operating part structure of a combine according to any one of claims 1 to 5, wherein the swing part can be swing-switched at a stroke between an open state in which the movable body rises and separates from the traveling body frame.