JP2010215058A - Driver's cabin structure of service vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display panel part which can be easily and visually recognized, and to secure a large space around driver's knees so as to make a driving posture comfortable. <P>SOLUTION: An operation control panel 19 is disposed in front of a driver's seat. The operation control panel 19 is provided with the display panel part 62 which is located in the central portion of the operation control panel 19 and has meters, and operation panel parts 65, 67 which are located in both the sides of the display panel part 62 and have operation instruments. The upper surface 19a of the display panel part 62 protrudes over the upper surfaces 19B of the operation panel parts 65, 67. The bottom surface 19c of the display panel part 62 is positioned concavely above the bottom surfaces 19d, 19e of the operation panel parts 65, 67. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention has a driving control panel portion disposed in front of a driver seat, and the driving control panel portion includes a display panel portion provided with a meter, and an operation provided with operation tools located on the side of the display panel portion. The present invention relates to a driving unit structure of a work vehicle provided with a panel portion.

  Normally, the operation panel portion and the display panel portion are set to be substantially flush with each other, but a liquid crystal display portion as an operation panel portion (publication gazette) as shown in FIG. In some cases, the display surface (internal number: 9a) of the internal number: 1) is arranged below the upper surface (not indicated) of the operation panel portion.

JP-A-10-114240 (paragraph number [0019] and FIG. 2).

  In Patent Document 1, since the display surface of the liquid crystal display unit is located below the upper surface of the operation panel portion, the display marked on the display surface when the eyes are moved to the display surface while performing a driving operation. It may be difficult to see immediately, and it may be difficult to obtain operation information.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a driving part structure for a work vehicle that can provide a display panel portion that is easy to visually recognize, and can take a wide space around the driver's knees to make the driving posture comfortable.

〔Constitution〕
A characteristic configuration of the present invention according to claim 1 is a display panel in which a driving control panel unit is disposed in front of a driver's seat, and the driving control panel unit is provided with a meter located at the left and right center of the driving control panel unit. A display panel portion, and an operation panel portion provided with operation tools on the left and right sides of the display panel portion, the upper surface of the display panel portion protruding above the upper surface of the operation panel portion, and the display panel portion The bottom surface of the control panel is recessed above the bottom surface of the operation panel portion, and the function and effect thereof are as follows.

[Action]
Since the upper surface of the display panel part with a meter is formed so as to protrude above the upper surface of the operation panel part located on both the left and right sides, the display panel part can be viewed with the upper surface raised. Even if the eyes are returned to the display panel part during the driving operation, it can be directly recognized and information such as the running state can be easily confirmed.
On the other hand, in the display panel portion, not only the upper surface is located above the upper surface of the operation panel portion, but also the bottom surface is located above the bottom surface of the operation panel portion, and the display panel portion is offset upward accordingly. Thus, when the driver's knee space is formed below the display panel portion and the operation panel portion, the driver's knee space can be increased.
Accordingly, when operating the operation tool provided in the operation panel portion, the knee portion can be deeply inserted into the space below the display panel portion, and the operation can be performed with an easy posture.

〔effect〕
Only by disposing the display panel part upwardly with respect to the operation panel part, it is possible to provide a driving part structure for a work vehicle that can ensure good visibility and operability.

〔Constitution〕
The characteristic configuration of the present invention according to claim 2 is that an armrest is erected on the operation panel portion, and the armrest is cantilevered in a lateral direction from a vertical portion and a vertical portion raised from an upper surface of the operation panel portion. The arm rest portion extending in a shape, and the key switch and the horn switch are arranged below the tip of the arm rest portion in the operation panel portion, and the effects thereof are as follows. .

[Function and effect]
Since the arm rest part of the armrest is extended in a cantilevered state and the key switch and horn switch are arranged below the extended end, the key switch and the horn switch are raised vertically from the operation panel part of the armrest. Can be provided more apart from each other, and a sufficient space for operating the key switch and the horn switch can be secured.

〔Constitution〕
The characteristic configuration of the present invention according to claim 3 is the lateral direction in which the vertical portion is erected from the lateral end position of the driving control panel portion and the arm rest portion is close to the display panel portion in plan view. The function and effect are as follows.

[Function and effect]
Since the vertical part of the armrest is erected from the lateral end position of the driver's control panel, the vertical part can be positioned at the lateral end position that does not obstruct the operation, and the arm rest part can be Since it is extended in the horizontal direction in a cantilever shape, it is possible to secure a large space surrounded by the vertical part and the arm rest part, so that the armrest and other switches can be arranged efficiently using this space. became.
In addition, since the vertical portion of the armrest can be separated from the display panel portion, the vertical portion does not overlap with the display panel portion, so that it is difficult to obstruct viewing.

〔Constitution〕
According to a fourth aspect of the present invention, there is provided a middle stage mounting surface positioned below the upper surface of the display panel portion and above the upper surface of the operation panel portion, and the upper surface of the operation panel portion is disposed on the middle stage. It is arranged in front of the mounting surface, has a key switch in the operation panel portion, and a horn switch in the middle mounting surface, and its operational effects are as follows.

[Function and effect]
When the key switch or horn switch is provided at a position lower than the display panel part, the horn switch is provided on the middle mounting surface at a position higher than the upper surface of the operation panel part, instead of providing the key switch or horn switch at the same height position. In addition, the horn switch is not disposed at the same position in the front-rear direction, but is disposed at the rear position on the driver's hand side.
With such a configuration, it is possible to adopt an arrangement suitable for a horn switch that is used more frequently during driving compared to a key switch, and the operability of the horn switch can be improved.

〔Constitution〕
According to a fifth aspect of the present invention, there is provided a characteristic configuration of the present invention in which an opposite operation panel portion is provided on the left and right opposite sides of the display panel portion with respect to the operation panel portion, and is positioned below the upper surface of the display panel portion An opposite middle stage mounting surface located above the opposite side operation panel part is provided, the opposite side operation panel part is arranged behind the opposite side middle stage mounting surface, and a control switch group is provided on the opposite side operation panel part. The display switching switch is provided on the opposite middle stage mounting surface, and the operation and effect thereof are as follows.

[Function and effect]
Since both the display changeover switch and the control switch group are considered to have little difference in operation frequency during work travel, an opposite middle stage mounting surface is provided above the opposite side operation panel portion, and the opposite middle stage mounting surface is provided. With the configuration in which the display changeover switch provided on the front side is positioned on the front side with respect to the control switch group provided on the opposite operation panel portion, the same operability can be ensured for any switch.

It is a whole side view of a combine. It is a whole top view of a combine. It is a whole top view which shows the state which the cutting part and the driving | operation control part switched to the side open state. It is a top view which shows a front driving | operation control panel part and a side driving | operation control panel part. It is a perspective view which shows a front driving control panel part and a side driving control panel part. It is a rear view which shows a front driving | operation control panel part. It is a side view which shows a forward driving control panel part. It is the VIII-VIII sectional view taken on the line in FIG. It is the IX-IX sectional view taken on the line in FIG. FIG. 5 is a sectional view taken along line XX in FIG. 4. It is the XI-XI sectional view taken on the line in FIG. It is the XII-XII sectional view taken on the line in FIG. It is a left view which shows a side driving | operation control panel part.

  As shown in FIGS. 1 and 2, the combine as a work vehicle includes a machine body 2 having a crawler traveling device 1, a cutting unit 10 connected to the front part of the machine body 2, and a machine body 2 at the rear part of the machine body 2. A threshing device 3 and a grain tank 4 mounted side by side in the direction are provided.

  This combine harvests rice, wheat and other grains. That is, the cutting unit 10 generates the raising device 13 that causes the planted culm that has been weeded by the divider 12, the cutting device 15 that cuts the stock portion of the pulverized cereal, and the cereal that has been cut by the cutting device 15. It is equipped with a vertical conveying device 16 that conveys in a vertical posture.

  The mowing unit 10 has a support frame 11 erected at the front left end of the body 2, a support frame (not shown) is erected at the front right end of the body 2, and the horizontal pipe frame 18 over the upper ends of both support frames 11. , And the main pipe frame 14 extends from the vicinity of the right support frame of the lateral pipe frame 18 toward the front lower side. The divider 12, the pulling device 13, the cutting device 15, and the vertical conveying device 16 are supported at the front end of the main pipe frame 14, and the cutting unit 10 moves up and down around the horizontal axis of the horizontal pipe frame 18 with respect to the machine body 2. It is configured to swing freely.

  Further, the cutting unit 10 supports the divider 12, the pulling device 13, the cutting device 15, and the vertical conveying device 16 on the main pipe frame 14, and the vertical axis Y of the support frame 11 erected on the front left end of the machine body 2. , The horizontal pipe frame 18 and the main pipe frame 14 are integrated, as shown in FIG. 2, the working posture located laterally of the driving control unit 8, and the driving maneuvering as shown in FIG. It swings and opens to the other side of the side of the machine body so as to be separated from the part 8 and switches to a non-working posture.

  The threshing device 3 holds the tip of the harvested cereal cocoon (not shown) while holding the cereal rice cake fallen and conveyed by the vertical conveying device 16 by the threshing feed chain (not shown) and transporting it backward in the machine body. ) And threshing the tip side.

The grain tank 4 collects and stores the threshed grains conveyed from the threshing apparatus 3 by the grain sending apparatus 22. The grain tank 4 includes a discharge screw 5 located at the bottom of the tank, a vertical screw conveyor 6 located at the rear of the grain tank 4, and a horizontal screw conveyor 7 connected to the upper end of the vertical screw conveyor 6. To drain the threshing grains in the tank. The horizontal screw conveyor 7 can swivel and undulate with respect to the vertical screw conveyor 6.
As described above, the discharge screw 5, the vertical screw conveyor 6, and the horizontal screw conveyor 7 constitute the grain unloading device B that unloads the grains accumulated in the grain tank 4 to the outside of the machine.

  The airframe 2 includes a crawler travel device 1, a driving unit 20 having an engine bonnet 21 positioned near the front of the grain tank 4, and a driving control unit 8 having a driving seat 9 positioned above the engine bonnet 21. It has.

  As shown in FIGS. 1 to 3, the driving control unit 8 includes a driving seat 9, a front driving control panel unit 19 disposed in front of the driving seat 9, and a side opposite to the entrance / exit side of the driving seat 9. And a lateral driving control panel portion 26 disposed laterally. The forward driving control panel unit 19 includes a lifting control lever 17 for performing a steering operation of the fuselage and a lifting operation of the mowing unit 10, a display panel portion 62 indicating information such as an operating time related to the engine 28, and the key switch 23. A horn switch 24, a display changeover switch 36 for switching display contents on the display panel portion 62, and a control switch panel 64. The side operation control panel unit 26 includes a main transmission lever 40 for operating a hydrostatic continuously variable transmission (not shown), an auxiliary transmission lever 25, a mowing / threshing clutch lever 63, an accelerator lever 29, and a control. Switch panel 30 and a detachable / remote control type operation tool 34 for controlling the operation of the grain carrying-out apparatus B.

  In addition to the engine bonnet 21, the prime mover 20 includes an engine cooling radiator 27 disposed inside the fuselage lateral outer end of the engine bonnet 21 and an engine cooling radiator 27 inside the engine bonnet 21 in the lateral direction of the fuselage. And an engine 28 disposed on the inside of the engine.

  As shown in FIGS. 2 and 3, an aircraft bonnet 21 is disposed outside the engine bonnet 21 at the center of the left and right sides of the vehicle hood 21 and is erected from the vehicle body 2 so as to stand vertically. The driving control unit 8 including 21 and the like is supported so as to be rotatable about the vertical axis X of the machine body that the machine body side column 35 has.

  That is, as shown in FIG. 2 and FIG. 3, the driving control unit 8 rotates toward the lateral side of the body around the longitudinal axis X of the body side column 35 erected on the left rear side of the driver seat 9. It can be switched freely. As shown in FIG. 2, the operation control unit 8 is rotated about the machine body vertical axis X, and is positioned on the front side of the grain tank 4 to cover the engine 28, As shown in FIG. 3, it switches to the non-working posture in which the engine 28 is opened by projecting to the left and right lateral sides of the machine body.

  Next, the reaping unit 10 and the driving control unit 8 are linked to each other, and the linking mechanism A that switches the reaping unit 10 and the driving control unit 8 between a working posture and a non-working posture is provided. As shown in FIG. 3, the linkage mechanism A has a telescopic rod structure, and includes a rod case 31, a piston rod 32, and a driving means 33 installed across the rod case 31 and the piston rod 32. Consists of.

  The configuration of the forward driving control panel unit 19 will be described in detail. As shown in FIGS. 4-7, the display panel part 62 is arrange | positioned in the left-right center part of 19 A of horizontally long resin main-body parts, and the right operation panel part (equivalent to an operation panel part) is on the right side of the display panel part 62. 65, and a left operation panel portion (corresponding to the opposite operation panel portion) 67 is disposed on the opposite side across the display panel portion 62. The display panel portion 62 includes a main meter portion 62A at the left and right central portion and left and right side meter portions 62B and 62C. The main meter portion 62A is mainly provided with a working speed meter, an LED load meter, and a multi-vision portion. In this multi-vision portion, the hour meter display, the load display in the sheave case of the threshing device, and the grain tank 4 Storage amount display, water temperature gauge and the like can be switched and displayed.

  The resin main body 19A is configured such that the upper case portion 19F and the lower case portion 19G are detachable with screws. The upper case portion 19F is configured as a functional component including the display panel portion 62 and the like, and the lower case portion 19G is configured mainly to function as a cover.

The left side meter portion 62B is provided with a lower display portion for displaying the high / low speed state of the auxiliary transmission and an upper engine tachometer. The right side meter portion 62C is provided with a lower display portion for displaying the high / low speed state of the cutting transmission and an upper fuel gauge.
The display panel portion 62 is provided with a wide frame portion 62D surrounding the main meter portion 62A and the left and right side meter portions 62B and 62C.

As shown in FIGS. 4, 6, and 7, the upper surface (display surface) 19 a to which the display panel itself of the display panel portion 62 is attached is below the operation panel portions 65 and 67 positioned on the left and right of the forward driving control panel portion 19. It exists in the state which protrudes upwards from the attachment surface 19B.
As a result, the display surface of the display panel portion 62 comes out and is easily visible.

In addition, as shown in FIG. 6, the bottom surface 19c of the display panel portion 62 is also recessed above the bottom surface 19e of the left operation panel portion 67 and the bottom surface 19d of the right operation panel portion 65. It is configured to ensure a sufficient space above 19e.
As a result, the driver can sufficiently insert the knee into the space and does not operate in a cramped state where the knee is bent.

As shown in FIG. 4 to FIG. 6 and FIG. 8, the horn switch 24 and the key switch 23 are disposed adjacent to each other on the middle stage mounting surface 19C and the right operation panel portion 65, which will be described later. The up / down steering operation lever 17 is arranged further laterally outward of the switches 24 and 23.
The horn switch 24 is disposed rearward (front side) from the key switch 23 and is located above the lower mounting surface 19B to which the key switch 23 and the lifting / lowering operation lever 17 are mounted. It is attached to the middle stage mounting surface 19C located below the display upper surface. As described above, the horn switch 24, which is frequently operated during work travel, is arranged slightly above the front side that is easy for the driver to operate.

A mounting surface 19D for mounting the up / down steering operation lever 17 is formed on the right operation panel portion 65. The mounting surface 19D is located above the lower mounting surface 19B and below the middle mounting surface 19C, It is provided in a state of being inclined downward toward the side, and the grip portion 17B is configured to be located on the left and right center side.
While the base end portion of the up / down steering operation lever 17 is located away from the left / right center side, the grip 17B of the up / down steering operation lever 17 can be brought close to the left / right center side, which facilitates the operation.

An armrest 37 is disposed behind (in front of) the up / down steering operation lever 17 in the right operation panel portion 65. The armrest 37 includes a vertical portion 37A in an upright posture raised from a lower mounting surface 19B as an upper surface of the right operation panel portion 65, and an arm rest portion 37B extending in a cantilever direction from the vertical portion 37A. It consists of
The arm rest portion 37B extends in a cantilever manner toward the display panel portion 62, and the horn switch 24 is located below the tip of the arm rest portion 37B.
The driver can place an elbow portion on the armrest 37 and hold the grip 17B of the up / down steering operation lever 17 for operation.

As shown in FIGS. 4 to 6 and 10, an opposite middle stage mounting surface 19E, which will be described later, is provided in the vicinity of the left operation panel portion 67, and a display changeover switch 36 is disposed on the opposite middle stage mounting surface 19E. A control switch panel 64 equipped with a group of control switches is arranged on the left operation panel portion 67 that extends further to the lateral end behind the display changeover switch 36.
Since the control switch group and the display changeover switch 36 are considered to be equivalent as an operation opportunity, the control switch board 64 is attached to the display changeover switch 36 that is arranged in a position far ahead of the control switch board 64. A lower mounting surface (corresponding to the upper surface of the left operation panel portion 67) 19B is disposed above the display surface (corresponding to the upper surface) of the display panel portion 62, and is mounted on the opposite middle mounting surface 19E. It is.

The display changeover switch 36 switches the display mode of the multi-vision portion in the main meter portion 62A of the display panel portion 62. Further, the control switch panel 64 is provided with an auto accelerator switch, a rolling operation switch for independently moving the left and right crawler travel device 1 up and down and rolling it.
A plurality of switches for rolling and pitching the left and right crawler travel device 1 are arranged on the grip portion 17B of the lifting and lowering steering operation lever 17, and the lifting and lowering steering operation lever 17 is swung back and forth. Then, the lowering and raising operation of the mowing unit 10 is performed, and when the swing operation is performed to the left and right, it is possible to perform the control for turning the combine to the left and right.

  As shown in FIGS. 4 to 10, at the front end portion of the forward driving control panel portion 19, a rising wall portion 19 b along the front end surface of the frame portion 62 </ b> D is provided in front of the frame portion 62 </ b> D of the display panel portion 62. It is formed and employs a configuration in which the front driving control panel portion 19 is reinforced by the rising wall portion 19b.

The side operation control panel unit 26 will be described. As shown in FIGS. 4 to 6, the side operation control panel portion 26 is arranged in a state of being continuous behind the left operation panel portion 19 </ b> B of the front operation control panel portion 19, and the main speed change lever 40 at the front end portion. And the auxiliary transmission lever 25 arranged side by side on the left and right, the control switch panel 30 behind the main transmission lever 40, and the mowing / threshing clutch lever 63 and the accelerator lever 29 arranged behind the auxiliary transmission lever 25. In addition, a detachable and remote-control-type operation tool 34 for controlling the operation of the grain carry-out device B is provided behind the reaping / threshing clutch lever 63 and the accelerator lever 29.
The main transmission lever 40 is provided with a one-touch button for shifting the cutting speed of the cutting unit 10, a one-touch button for shifting the auxiliary transmission, and a switch for adjusting the handling depth in the grip part.

  The side driving control panel unit 26 is a panel that is long in the front-rear direction, and is disposed at the left end of the front driving control panel unit 19 with its left end being flush with the front driving control panel unit 19. The side operation control panel unit 26 has a flange portion 26A attached and fixed to a body frame (not shown) at the left end portion thereof, a main transmission lever 40 and a control switch panel 30 adjacent to the flange portion 26A. The panel surface portion 26B to be equipped, the insertion hole for installing the auxiliary transmission lever 25, the mowing / threshing clutch lever 63 and the accelerator lever 29 adjacent to the panel surface portion 26B, and the recess for mounting the remote control type operating tool 34 An inner panel portion 26C equipped with a mounting seat 26E and the like is formed.

  As shown in FIG. 10, the panel surface portion 26B is slightly inclined downward toward the driver's seat 9 in the left-right direction, while the peripheral portion 26c surrounding the switch hole mounting hole portion 26b A substantially constant horizontal state is maintained in the direction. As shown in FIGS. 5, 6, and 11, the panel surface portion 26 </ b> B is lifted forward so as to be positioned higher on the front end side in the peripheral portion 26 d surrounding the hole portion 26 a that penetrates the main transmission lever 40. It is configured on an inclined surface.

As shown in FIGS. 5, 11 and 12, the inner panel portion 26 </ b> C also extends in a cantilevered manner in a state of being inclined downward toward the driver's seat 9 like the panel surface portion 26 </ b> B. The inclination is larger than 26B.
In the inner panel portion 26 </ b> C, a hole 26 m for the auxiliary transmission lever 25 is disposed on the front side, an insertion hole 26 g for the mowing / threshing clutch lever 63 is disposed on the rear side, and the lateral side of the mowing / threshing clutch lever 63 is disposed. An insertion hole 26h for the accelerator lever 29 is formed.
In the inner panel portion 26C, the inclination in the left-right direction of the peripheral portion 26j surrounding the hole 26m for the auxiliary transmission lever 25 is gentler than the inclination of the peripheral portion 26k surrounding the insertion hole 26h for the accelerator lever 29. A large step 26D is formed between the panel surface portion 26B and the peripheral portion 26d where the main transmission lever 40 is installed.

An attachment structure of the remote-control-type operation tool 34 to the grain unloading device B will be described. The remote-control-type operation tool 34 is connected to a control device (not shown) of the combine main body by wire, and can be operated while viewing the operating state of the grain carrying-out device B.
As shown in FIG. 5, the remote-control-type operating tool 34 has the horizontal screw conveyor 7 automatically swiveled and vertically moved around the longitudinal axis Z of the vertical screw conveyor 6 to a predetermined position in the combine. The automatic turning switch 34A to be stored, the clutch operating switch 34B that controls the driving of the screw conveyors 5, 6, 7, and the horizontal screw conveyor 7 are turned around the longitudinal axis of the vertical screw conveyor 6. It is equipped with an artificial operation switch part 34C for commanding the vertical operation.

  As shown in FIGS. 4 and 5, a recessed insertion seat 26E for mounting the operation tool 34 is formed at the rear end portion of the inner panel portion 26C, and the recessed insertion seat 26E extends in the front-rear direction. Although the length is long and the width is short, the center line connecting the centers in the width direction is attached to the driver seat 9 toward the rear end side with respect to the front-rear direction of the body when attached to the recessed mounting seat 26E. It is set to an approaching slope.

  As described above, since the operation tool 34 is attached to the recessed mounting seat 26E, it is set in an inclined state with respect to the longitudinal direction of the machine body. When the switch group of the switch unit 34B and the switch group of the human operation switch unit 34C are aligned in an inclined state with respect to the front-rear direction of the aircraft along the operation tool 34, and the operator looks at the face sideways, It can be seen from the front and is easy to operate.

Further, since the inner panel portion 26C to which the operation tool 34 is attached is provided in a downwardly inclined state on the driver's seat side, the operation tool 34 attached to the recessed mounting seat 26E is not in a horizontal state and is slightly on the driver side. Therefore, the operator can easily see from the front.
In particular, the reference numerals and the like attached to the switch can be viewed from the front, and the operation for grasping the function of the switch can be easily performed.

As shown in FIGS. 4-6, between the recessed insertion mounting seat 26E and the driver seat side lateral end of the inner panel portion 26C, it protrudes higher than the surrounding portion surrounding the recessed mounting mounting seat 26E. Protrusion 26n is provided so that a hand for grabbing the accelerator lever 29 does not touch the operating tool 34 by mistake, and a machine for providing a recessed mounting seat 26E at the rear end of the inner panel 26C. Responsible for the function of suppressing the decline in the mechanical strength.
The protrusion 26n is provided with a downward recessed cutout portion 26q corresponding to the rear end portion of the operation tool 34 mounted on the recess insertion mounting seat 26E. When taking out from the seat 26E, a structure is adopted in which a finger is inserted from the recessed cutout portion 26q so that the operation tool 34 can be easily grasped.

  The operation tool 34 has a plate shape that is long in the front-rear direction, and is placed in a depressed state in a state of being fitted into a recessed portion formed in the recessed mounting seat 26E, thereby being in a stable mounted state. Since the operation tool 34 is placed in an inclined posture in the mounted state, the driver needs to largely twist the body to the left side when the driver / operator operates the attachment / detachment operation on the recessed placement seat 26E. Operation is easy.

In addition, since the switch group is aligned along the center line P at the left and right center in a state where the operation tool 34 is attached to the recessed mounting seat 26E, it is easy for the driver to see and operate easily. Thus, it becomes easy to confirm the operating state of the grain carrying-out apparatus B with the operation tool 34.
The operating tool 34 is recessedly mounted so that the surface of the operating tool 34 is flush with the surrounding surface surrounding the recessed mounting seat 26E in a state where the operating tool 34 is fitted and mounted on the recessed mounting seat 26E. The sinking depth of the seat 26E matches the thickness of the operation tool 34.
Therefore, since the operating tool 34 does not protrude, it is possible to avoid a situation in which the operating tool 34 is hooked with an unintended finger and detached from the recessed mounting seat 26E, and the mounting state of the operating tool 34 can be stabilized.

The rear end portion 26i of the recessed mounting seat 26E is an opening that opens to the outer space.
A connector 34D for wired communication is provided on the rear end surface of the operation tool 34, and this connector 34D is located at the rear end portion 26i of the recessed mounting seat 26E so that the communication line can be taken out through the opening. It is.
When the communication line is taken out in this way, the mounting state of the operation tool 34 is obliquely installed, so that it is easy to take out the communication line while avoiding interference with a wall panel or the like standing behind. is there.

  As shown in FIGS. 12 and 13, a vertical wall portion 26 </ b> F is provided below the flange portion 26 </ b> A, and the inside of the vertical wall portion 26 </ b> F is visually recognized at the front end side portion on which the main transmission lever 40 is placed. A viewing window 26e is provided so that the internal state of the main transmission lever 40 and the like can be grasped. The viewing window 26e is provided with a lid 26f to prevent dust from entering during normal operation.

  As shown in FIG. 3, the inside of the inspection window 26e is inspected by rotating and retracting the mowing portion 10 to the left lateral side. This is performed in order to confirm the state of linkage with a step transmission (not shown). When the mowing unit 10 is retracted, a large space is formed on the left lateral side of the vertical wall portion 26F of the side operation control panel unit 26, and the driver can inspect the inside from the observation window 26e. Further, when the driving control unit 8 is switched to the retracted posture at the same time, a larger space can be secured and the inspection work can be performed.

  As shown in FIGS. 4 and 5, the up / down steering operation lever 17 is provided with a bellows-type cover body 17A that allows cross-swing, and a hole portion 26a that allows the operation of the main transmission lever 40, the auxiliary transmission. The perforation hole 26m allowing the operation of the lever 25, the insertion hole 26g for the reaping / threshing clutch lever 63, and the insertion hole 26h for the accelerator lever 29 are allowed to prevent the entry of dust and the like while allowing the operation thereof. A lever blinder 26s is provided.

[Another embodiment]
(1) As the driving control panel unit, only the forward driving control panel unit 19 may be used, and the side driving control panel unit 26 may be omitted.
(2) The middle stage mounting surfaces 19C and 19E may not be provided in the driving control panel portion, and the horn switch 24 and the like may be provided in the left and right operation panel portions 67 and 65.
(3) The armrest 37 may not be provided.

 The present invention can be applied not only to a combine but also to a tractor, a lawn mower or the like.

9 Driver's seat 19 Driver's control panel part 19B Upper surface 19C of operation panel part Middle stage mounting surface (right operation panel side)
19E Opposite side middle mounting surface (left operation panel side)
19a Upper surface 19c of the display panel portion 19d Bottom surface of the display panel portion 19d Bottom surface of the right operation panel portion 19e Bottom surface of the left operation panel portion 23 Key switch 24 Horn switch 36 Display switch 37 Operation armrest 37A Vertical portion 37B Arm rest portion 62 Display panel portion 65 Right operation panel portion (operation panel portion)
67 Left operation panel (opposite operation panel)

Claims (5)

  A driver's control panel is arranged in front of the driver's seat, and the driver's control panel is provided with a display panel portion provided with a meter at the center of the left and right of the driver's control panel, And an operation panel portion provided with operation tools, the upper surface of the display panel portion protruding upward from the upper surface of the operation panel portion, and the bottom surface of the display panel portion above the bottom surface of the operation panel portion. The structure of the operating part of the work vehicle in the recessed position.   An armrest is erected on the operation panel portion, and the armrest is composed of a vertical portion raised from the upper surface of the operation panel portion and an arm rest portion extending in a cantilever direction from the vertical portion. The operating part structure of the work vehicle according to claim 1, wherein a key switch and a horn switch are arranged below a tip part of the arm rest part in the operation panel part.   3. The vertical portion is erected from a lateral side end position of the driving control panel portion, and the arm rest portion is extended in a cantilever direction in a lateral direction close to the display panel portion in a plan view. The operation part structure of the work vehicle as described.   A middle stage mounting surface located below the upper surface of the display panel part and located above the upper surface of the operation panel part is provided, the upper surface of the operation panel part is disposed forward of the middle stage mounting surface, and the operation panel 3. The operation part structure of a work vehicle according to claim 1, wherein a key switch is provided at a portion, and a horn switch is provided at the middle stage mounting surface.   An opposite operation panel portion is provided on the opposite side to the left and right sides of the operation panel portion with the display panel portion interposed therebetween. The opposite side is located below the upper surface of the display panel portion and located above the opposite operation panel portion. A middle stage mounting surface is provided, the opposite side operation panel portion is disposed behind the opposite side middle stage mounting surface, a control switch group is provided on the opposite side operation panel portion, and a display changeover switch is provided on the opposite side middle stage mounting surface. The operation part structure of the working vehicle according to any one of claims 1, 2, and 4.

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