JPH0984443A - Frame for controlling part for working vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure an open space, to facilitate maintenance and to simplify and lighten the frame of a controlling part. SOLUTION: In a working vehicle equipped with a driver's seat 8 on which an operator sits on a front position at one side of a machine body frame 1 provided with a traveling device at the lower part and a controlling part having an operating box provided with an operating lever, etc., installed at the front of the driver's seat 8, the driver's seat 8 is attached rotatably around a longitudinal shaft to a longitudinal supporting frame 18 whose lower part is fixed to the machine body frame 1. The longitudinal supporting frame 18 is connected to an operating box frame of the operating box by a connecting frame 28 to constitute a part of a controlling frame 29.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a frame of a control section of a work vehicle.

[0002]

2. Description of the Related Art Conventionally, a driver's seat on which a worker is seated and an operation box provided with an operation lever and the like provided on the front side of the operator's seat are provided at a position above the front side of a machine body frame provided with a traveling device below. It is known that a working vehicle provided with a control section is configured such that the driver's seat is rotatable in the horizontal axis with respect to the machine frame side.

[0003]

In the above-mentioned known example, since the driver's seat is horizontally rotated with respect to the body frame side, the opening space cannot be increased so much, and the maintenance work around the control section and the control section is There is a problem that it is not easy. Further, there is a problem in that the structure for rotating and supporting the driver's seat is not devised, the frame structure of the control section is complicated, and the weight is increased. If the rotation support structure of the driver's seat is devised, the periphery of the driver's seat can be widely opened to facilitate maintenance work, and the frame structure of the control section can be simplified.

[0004]

It is an object of the present invention to secure an open space, to facilitate maintenance, to simplify and lighten the frame of a control section.

[0005]

According to the present invention, a driver's seat 8 on which an operator is seated and a front side of the driver's seat 8 are provided at a position above the front one side of a machine frame 1 provided with a traveling device 3 below. In the work vehicle provided with the control section 6 having the operation box 9 provided with the operation lever and the like, the driving seat 8 is rotatably attached to the vertical support frame 18 whose lower part is fixed to the machine body frame 1, The vertical support frame 18 is used as a frame of a control section of a work vehicle that is connected to the control box frame 27 of the control box 9 by a connecting frame 28 to form a part of the control section frame 29.

[0006]

Embodiments of the present invention will be described with reference to the drawings.
Denotes a body frame of a working vehicle, which will be described using an example of a combine. A traveling device 3 including a pair of right and left crawlers 2 is provided below the body frame 1, a threshing device 4 is provided on one side above the traveling device 3, and a threshing device 4 is provided at a side portion of the threshing device 4. A grain tank 5 for storing the obtained grains is provided, and a control section 6 is provided in front of the grain tank 5. The control unit 6 includes a step 7 on which an operator stands, a driving seat 8 on which the operator sits, and an operation box 9 provided with switches and levers provided in front of the driving seat 8.
Reference numeral 10 denotes an entry / exit port for getting on / off at step 7. The driver's seat 8 is mounted on a mounting frame 12. Mounting frame 1
2, the outer end of the upper horizontal frame 13 is connected to the front ends of the upper front and rear frames 14 to form an inverted L shape in plan view, and the upper end of the side vertical frame 15 is connected to the rear end of the upper front and rear frame 14. The rear end of the side front-rear frame 16 in the front-rear direction is connected to the lower portion of the side vertical frame 15.

The entrance / exit 1 on the front side of the Glen tank 5
The lower part of the vertical support frame 18 is provided on the 0-side body frame 1, and the mounting frame 12 is rotatably mounted on the vertical support frame 18 by seat mounting members 19, 19. An engine 20 is provided below the driver's seat 8, and a radiator 21 is arranged on the side of the entrance / exit 10 of the engine 20. The radiator 21 is attached to the radiator frame 22, and the rear vertical frame 23 of the radiator frame 22 is attached to the radiator attachment member 2.
It is rotatably attached to the vertical support frame 18 by 4, 24. In this case, the radiator mounting member 24 and the radiator mounting member 24 are provided between the upper and lower seat mounting members 19 provided on the vertical support frame 18 and the seat mounting member 19, respectively.
The vertical mounting interval of the seat mounting member 19 is made larger.

Further, the radiator frame 22 includes
The reserve tank 25 is attached, and depending on the model, an oil cooler 26 is provided to facilitate maintenance of these. The operation box frame 27 of the operation box 9 is provided in the front portion of the machine body frame 1, and the operation box frame 27 and the vertical support frame 18 are connected by the connection frame 28 to form a part of the control section frame 29. To do. The connecting frame 28 fixes the front end of a side frame 30 in the front-rear direction located on the opposite side of the entrance / exit 10 to the side opposite to the entrance / exit 10 of the operation box frame 27, and the rear end of the side frame 30 to the engine. The engine rear frame 31 provided on the rear side of the engine 20 is fixed to the side opposite to the entrance / exit 10 (inner end). Therefore, the operation box frame 27 and the connection frame 28 connect the driver's seat 8 and the engine 20 in a U-shape so as to open the side of the entrance / exit 10 in a plan view, and act as mutual strength members. To do.
Reference numeral 32 is a vertical frame rod 32 provided on the inner end side of the engine rear frame 31. Then, an air cleaner 35 of the engine 20 is provided above the engine 20 behind the driver's seat 8 and an engine cover 36 surrounding the air cleaner 35 and the engine 20 is attached to the attachment frame 12. Therefore, the engine cover 36
Rotates outwardly around the seat mounting member 19 together with the mounting frame 12, and continues to the engine cover 36, followed by the radiator 21.
Also independently rotate outward and rearward in the same direction. A dust removing net 37 is provided inside the engine cover 36.

FIG. 11 shows another embodiment of the engine cover 36. When the end portion of the engine cover 36 is formed in an L shape in plan view and the engine cover 36 is rotated, the engine cover 36 is rotated. The end portion contacts the stay 38 and the rotation of the engine cover 36 is stopped. Further, since the elastic body 39 is provided on the engine cover 36 side of the radiator frame 22 and the elastic body 39 is brought into contact with the inner surface of the engine cover 36, the engine cover 3
6 and the radiator 21 are prevented from vibrating. Then, at the inner end of the upper horizontal frame 13 of the mounting frame 12,
A plate support member 40 in the front-back direction is provided, and U is attached to the plate support member 40.
The mold-shaped mounting member 41 is fixed, and the shaft 42 is attached to the mounting member 41.
Is rotatably mounted, and an engaging hook 43 is fixed to the shaft 42, and the engaging hook 43 is engaged with an engaging rod 44 provided on the side frame 30 so that the driver seat 8 and the engine cover 36 are Stop rotation. The shaft 42 has an engaging hook 4
A spring 45 that constantly urges 3 in the engaging direction is provided. Axis 42
The front end of the lock operation lever 46 is formed so as to project forward.

The base of a support rod 47 that engages with the upper surface of the engagement rod 44 is rotatably attached to the shaft 42, and the support rod 47 is attached.
The engaging projection 48 at the tip of the is engaged with the shaft 42. Support rod 4
Although not shown in the figure, the stopper 7 provided in the mounting member 41 restricts the rotation of the engaging rod 44 downward from the engaging rod 44. Therefore, the lock operating lever 46 pivots the engaging hook 43 downward to lock it. Even if the engagement hook 43 is released, it does not interfere with this rotation, and even if the engagement hook 43 is rotated downward when locked to the engagement rod 44, the position is maintained and the engagement hook 43 is locked. The engagement protrusions 48 engage with the engagement rods 44 to support the load applied to the driver's seat 8. Therefore, the mounting frame 12 is not cantilevered and reliably supports the load. Further, the radiator cap 50 provided on the radiator 21 is the upper horizontal frame 1 of the mounting frame 12.
It is located on the rear side of 3 and inside the upper front and rear frame 14,
The shape of the upper horizontal frame 13 and the upper front and rear frames 14 of the mounting frame 12 and the arrangement of the radiator cap 50 are set so as not to interfere with the rotation of the mounting frame 12, and the upper horizontal frame 13 and the upper front and rear frames 13 in a side view are set. 14 and the radiator cap 50 are arranged so as to be polymerized.

The driver's seat 8 is mounted on the mounting frame 12 side via the gas spring 51. Therefore, the gas spring 51 also rotates outward and rearward together with the engine cover 36. Also, the gas spring 51 is
The engine cover 36 is arranged in a space surrounding the engine 20. That is, the gas spring 51 is provided in the enclosed space between the engine cover 36 and the engine 20.
Place. Further, the exhaust manifold 52 of the engine 20 is disposed in the enclosed space between the engine cover 36 and the gas spring 51 and the engine 20, the ambient temperature of the gas spring 51 is made substantially constant, and the gas spring 51 is cooled by the air. Prevent gas pressure drop. Also,
The step 7 is configured to move up and down with respect to the body frame 1 independently of the driver's seat 8 so that the height can be adjusted. In this case, the driver's seat 8 and the step 7 are used.
With the lowest position, set it to suit the worker, then
The vertical stroke of step 7 is made larger than the vertical stroke of the driver's seat 8. Further, the rear portion of the driver's seat 8 and the side of the mounting frame 12 are connected by a bendable hinge 53 to prevent the driver's seat 8 from rotating and rattling no matter which height the driver's seat 8 is adjusted. Therefore, it is possible to use the circular inexpensive gas spring 51 with good performance. In the figure, 54 is a Glen tank, 55 is a discharging device provided in the Glen tank 54, 56 is a transmission shaft, 57 is a bearing of the transmission shaft 56 provided under the vertical support frame 18, 58 is a gear box, and 59 is a pulley. , 60 is an operation lever, and 61 is a radiator fan.

[0012]

Next, the operation will be described. From the entrance 10 to stand on step 7 of the control unit 6, sit on the driver's seat 8 and operate the switches and levers of the operation box 9 to drive the traveling device 3 to perform work. The engine 20 is provided below the driver's seat 8, and the engine cover 36 provided on the side of the entrance / exit 10 of the engine 20 is laterally rotatable.
When the lock operation lever 46 is rotated downward, the shaft 42 is rotated, and the engagement hook 43 fixed to the shaft 42 is fixed to the side frame 3.
It is disengaged from the engagement rod 44 of 0, becomes a rotatable state, and the engine cover 36 is rotated to perform maintenance such as inspection and repair. At this time, since the support rod 47 is rotatably attached to the shaft 42, even if the shaft 42 is rotated by operating the lock operation lever 46, the support rod 47 is attached to the attachment member 41.
The downward rotation is restricted by a stopper (not shown) provided at the position, and it is positioned as it is, and does not affect the rotation of the engaging hook 43.

In this case, the engine cover 36 is mounted on the mounting frame 12 on which the driver's seat 8 is mounted, and the mounting frame 12 is rotatably mounted on the vertical support frame 18 provided on the machine body frame 1 by the seat mounting member 19. Since there,
The engine cover 36 rotates outward together with the driver's seat 8 to open the upper part and the front part of the engine 20 so that the open space can be widened, which further facilitates maintenance. Moreover, since the engine cover 36 rotates outward together with the driver's seat 8, the opening operation can be performed at one time, which improves the operability.
Then, the radiator 21 is arranged between the engine cover 36 and the engine 20, and since the radiator 21 is rotatably attached to the vertical support frame 18 by the radiator attachment members 24, 24, the engine cover 36 is rotated. After
When the radiator 21 is rotated, the side portion of the engine 20 is opened. Therefore, not only maintenance of the engine 20 but also maintenance of the radiator 21 is facilitated.

Further, since the radiator 21 is attached to the radiator frame 22, and the radiator frame 22 is provided with a reserve tank 25 and an oil cooler 26 depending on the model, maintenance of these is also facilitated.
Also, the engine cover 3 of the radiator frame 22
Since the elastic body 39 is provided on the 6 side and the elastic body 39 is brought into contact with the inner surface of the engine cover 36, vibration generation of the engine cover 36 and the radiator 21 is prevented. In this case, the radiator mounting members 24 arranged above and below are attached to the vertical support frame 18
It is provided between the upper and lower seat mounting members 19 provided in the upper part of the seat mounting member 19 so that the vertical mounting interval of the seat mounting member 19 is larger. Therefore, the seat mounting member 19 for supporting the load of the driver's seat 8 and the engine cover 36. By increasing the distance between, the stress concentration is prevented and the structure is firmly supported. Further, since the radiator cap 50 provided on the upper portion of the radiator 21 is located inside the upper front and rear frames 14 behind the upper horizontal frame 13, the mounting frame 12 firmly supports the load of the driver's seat 8. At the same time, the driver's seat 8 and the mounting frame 12 can be rotated outward regardless of the radiator 21, thus improving operability. Also, the side view upper horizontal frame 13 and the upper front frame 1
4 and the radiator cap 50 can be arranged so as to overlap with each other, and the overall height can be made small and compact.

Further, since the engine cover 36 and the radiator 21 are configured to rotate in the same direction, both can be attached to the vertical support frame 18, and the support structure can be simplified. In addition, since it is not necessary to open the double doors, a space for rotating the step 7 and the side of the operation box 9 is not required, and operability is improved. Then, the operation box frame 27 of the operation box 9 is provided in the front part of the machine body frame 1, and the operation box frame 27 and the vertical support frame 18 are connected by the connection frame 28 to form a part of the control section frame 29. Therefore, in plan view, while opening the entrance / exit 10 of the control unit 6, the frames are connected to each other so as to be members of mutual strength, and the body rigidity is increased. Further, when the engine cover 36 and the radiator 21 are rotated outward as described above,
The engine 20 is opened so that there is no obstructive frame around the engine 20 to facilitate maintenance. Then, the mounting frame 12 mounts the side vertical frame 15 to the vertical support frame 18 forming a part of the control frame 29, and the support rod 47 is provided at the inner end of the upper horizontal frame 13, and the support rod 47 is When the driver's seat 8 is returned downward, it engages with the upper surface of the engagement rod 44, so that the mounting frame 12 can support both left and right sides, and reliably supports the load of the driver's seat 8 and the like. Since the support rod 47 is rotatably attached to the shaft 42 and its downward rotation is restricted by a stopper (not shown) provided on the attachment member 41, when the engagement hook 43 is locked to the engagement rod 44. Rotate downward to axis 4
Even if 2 rotates, the same position is maintained and the engaging protrusion 4
8 engages with the engagement rod 44 to support the load applied to the driver's seat 8.

The driver's seat 8 has a gas spring 5
1 and the gas spring 51 is mounted on the side of the mounting frame 12, so that when the operating lever is operated, it is held at a desired height by the action of the gas spring 51. Therefore, operability and workability are improved. Further, since the step 7 is configured to move up and down with respect to the machine body frame 1 independently of the driver's seat 8, the adjustment range is further expanded. In this case, the driver's seat 8 and step 7 are set to the lowest position to suit the worker, and then the vertical stroke of step 7 is made larger than the vertical stroke of the driver's seat 8. It accommodates adjustments for both low and high workers. Since the gas spring 51 is mounted on the side of the mounting frame 12, the mounting frame 12 having a sufficient supporting strength supports the load and the engine cover 36 is rotated. The gas spring 51 also rotates outward, facilitating maintenance of the gas spring 51.
Especially, since it can be rotated separately from the radiator 21, it becomes easy.

Further, since the gas spring 51 is arranged in the space surrounding the engine 20 by the engine cover 36, the atmosphere temperature of the gas spring 51 is made substantially constant by the presence of the exhaust manifold 52 of the engine 20, and the cold air is generated. The gas pressure of the gas spring 51 is prevented from decreasing and the force of the gas spring 51 is increased. In addition, the step 7 is configured to move up and down with respect to the machine body frame 1 independently of the driver's seat 8 so that the height can be adjusted. In this case, the driver's seat 8 and the step 7 are integrated. It is set so as to suit the worker in the lowered state, and then the vertical stroke of step 7 is made larger than the vertical stroke of the driver's seat 8. Also, the rear part of the driver's seat 8 and the mounting frame 1
The two sides are connected by a bendable hinge 53 to prevent the driver's seat 8 from rotating.

[0018]

According to the present invention, a driver's seat 8 on which a worker is seated and an operating lever or the like provided on the front side of the operator's seat 8 are provided at a position above the front side of the machine body frame 1 provided with the traveling device 3 below. In the work vehicle provided with the control section 6 having the operation box 9, the driver's seat 8 is rotatably attached to the vertical support frame 18 whose lower portion is fixed to the machine body frame 1, and the vertical support frame 18 is Since the operation box frame 27 of the operation box 9 is connected to the operation box frame 28 by the connecting frame 28 to form a part of the operation part frame 29 of the operation part of the work vehicle, the driver's seat 8 is attached to the attachment frame 12.
By rotating the vertical support frame 18 with respect to the vertical supporting frame 18, the periphery of the engine 20 can be opened and maintenance can be easily performed. Further, since the driver's seat 8 rotates in the vertical axis, it can be rotated largely. This has the effect of enlarging the open space and further facilitating maintenance. Further, since the mounting frame 12 is mounted on the vertical support frame 18 so as to rotate about the vertical axis, the supporting structure of the driver's seat can be simplified and contributes to weight reduction. Further, the vertical support frame 18 is an operation box of the operation box 9. Frame 2
7 and the connecting frame 28 to connect the control unit frame 2
Since it constitutes a part of 9, the respective frames act as mutual strength members while enhancing the body rigidity while opening the entrance / exit 10 of the control unit 6 in plan view.

[Brief description of drawings]

FIG. 1 is a side view of a combine.

FIG. 2 is a perspective view of a control unit frame, a driver's seat, and the like.

FIG. 3 is a perspective view of a rotating state of the engine cover.

FIG. 4 is a longitudinal rear view.

FIG. 5 is a plan view of a control unit frame.

FIG. 6 is a front view of the same.

FIG. 7 is a side view of the same.

FIG. 8 is a plan view of a rotated state.

FIG. 9 is a side view of the radiator.

FIG. 10 is a vertical sectional front view of the same.

FIG. 11 is a plan view of a main part of another embodiment.

FIG. 12 is a perspective view of a lock and a support mechanism.

FIG. 13 is a perspective view showing a relationship between a radiator and a mounting frame.

FIG. 14 is a rear view of the same.

FIG. 15 is a side view of the seat.

FIG. 16 is a perspective view of a hinge member.

[Explanation of symbols]

1 ... machine frame, 1 ... machine frame, 2 ... crawler,
3 ... Traveling device, 4 ... Threshing device, 5 ... Glen tank, 6 ...
Control part, 7 ... Step, 8 ... Driver's seat, 9 ... Operation box, 10 ... Entrance / exit, 12 ... Mounting frame, 15 ... Side vertical frame, 16 ... Side front / rear frame, 18 ... Vertical support frame, 19 ... Seat Mounting member, 20 ... Engine, 21 ... Radiator, 22 ... Radiator frame, 23 ... Rear vertical frame, 24 ... Radiator mounting member, 25 ... Reserve tank, 26 ... Oil cooler, 27 ... Operation box frame, 28 ... Connection frame, 29 … Control part frame, 30… Side frame, 31
… Engine rear frame, 32… Vertical frame rod, 35…
Air cleaner, 36 ... Engine cover, 38 ... Stay, 39 ... Elastic body, 40 ... Plate support member, 41 ... Mounting member, 42 ... Shaft, 43 ... Engaging hook, 44 ... Engaging rod, 45
... Spring, 46 ... Lock operation lever, 47 ... Support rod, 48
... engaging projections, 50 ... radiator cap, 51 ... gas spring, 52 ... exhaust manifold, 55 ... exhaust device,
56 ... Transmission shaft, 57 ... Bearing, 58 ... Gear box, 59
… Pulley.

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] December 15, 1995

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG.

[Fig. 2]

[Figure 3]

FIG. 4

[Figure 9]

[Figure 10]

FIG. 16

[Figure 5]

FIG. 6

FIG. 7

FIG. 11

FIG. 14

[Figure 8]

FIG.

FIG. 13

FIG.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Eiichi Imamura No. 1 Hachikura, Tobe, Iyo-gun, Ehime Prefecture Izeki Agricultural Machinery Co., Ltd.

Claims (1)

[Claims] 1. A driver's seat 8 on which a worker is seated at a position above the front side of a body frame 1 provided with a traveling device 3 below.
And a control section 6 having an operation box 9 provided on the front side of the driver's seat 8 and provided with an operation lever and the like, the driver's seat 8 is a vertical support frame whose lower portion is fixed to the machine body frame 1. The vertical support frame 18 is rotatably attached to the vertical axis 18, and the vertical support frame 18 is connected to the operation box frame 27 of the operation box 9 by a connection frame 28 to form a part of the control section frame 29. .