JP3604299B2 - Harvester operating part structure - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an operating unit structure of a harvester such as a combine.
[0002]
[Prior art]
Generally, as a driving unit structure of a harvester such as a combine, for example, as disclosed in Japanese Patent Application Laid-Open No. 9-207641, a control tower is provided at the front of a cab connected to the front of a traveling body. It is known that a seat is arranged at the rear of the cab.
Further, in the case of the control tower in this conventional operation unit structure, a gate-shaped fixed handle is provided on the upper surface, and a display device for displaying various information is provided in the center of the upper surface of the control tower. Is provided with a control lever, which can be operated by supporting the wrist of the driver on a fixed handle.
[0003]
[Problems to be solved by the invention]
However, in the operation unit structure of the conventional harvester described above, since the front and rear width of the control tower is large, the driver's seat is located at the back correspondingly, and the forward visibility deteriorates by the lowered amount. As a result, the visibility from the driving unit to the reaping unit deteriorates, and depending on the conditions of the reaping, the driver sometimes stands up from a seat and steers to improve the visibility.
In order to solve such a problem, it is conceivable to arrange the driver's seat close to the control tower to improve the forward visibility , but if this is done, the habitability of the feet will worsen and it is not realistic. Absent.
Further, even in the operation section structure of the reaper to maneuver the falling no seating posture, so steer down behind by the amount of steering column, the result of forward visibility by the amount dropped to behind deteriorates, No reaper In some situations, you may need to dig in and look in to steer to improve visibility.
Further, even if the pilot tries to view the display on the display device of the control tower as described above, the fixed handle on the display device may be obstructive and may be difficult to see depending on the current attitude of the pilot, and the forward view may be sufficient. However, it is not easy to ensure sufficient visual observation of the display of the display device.
[0004]
The present invention was made in view of the above circumstances, the main object, regardless of its occasional posture of the operator, it is possible to secure a sufficient forward visibility, while ensuring the forward visibility Another object of the present invention is to provide an operation unit structure of the harvester that allows the display on the display device to be visually observed.
[0005]
[Means for Solving the Problems]
(Structure) In the operating part structure of the harvester according to claim 1 of the present invention, a thin-walled foot cover is erected along a front edge of a driving cab connected to a front part of a traveling body. In this foot cover, a handle body projecting upward in the shape of a gate is provided, and a display device is provided in the middle of the handle body, and a steering lever for running and raising and lowering the cutting pretreatment device is provided on the handle body. A support base for providing and supporting a wrist portion of a hand for operating the control lever at a position rearward of the control lever is extended from the handle body .
[0006]
(Operation) According to the configuration of the first aspect of the present invention, the front portion of the driving section can be greatly simplified as compared with the conventional driving section structure having a control tower, and the driver can accordingly drive. In addition to being able to be steered while being positioned in front of the unit, the display device is provided in the middle of the handle that is most easily seen by the eyes, so that it is easy to see.
[0007]
(Effects) Therefore, according to the configuration of the first aspect of the present invention, the driver can be positioned at the front side of the driver and steer as much as possible because the driver can be simplified, The front view can be sufficiently ensured, and the display on the display device can be easily viewed while the front view is ensured, so that the steering performance can be improved.
[0008]
[0009]
[0010]
[0011]
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
[First Embodiment]
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a combine as an example of a harvester. The combine includes a traveling machine body 2 supported by a pair of left and right crawler traveling devices 1, 1, a cutting pre-processing device 3, a threshing device 4, a boarding operation unit 5, a driving unit 6, a driving unit 6, a Glen tank 7, and the like. It is configured with onboard equipment.
[0013]
The boarding operation unit 5 is disposed in front of the traveling machine body 2 and to the right of the pre-cutting device 3. As shown in FIG. 2, the boarding operation section 5 is provided with a seat 8 on which the operator sits, and a thin-walled foot cover 9 is provided along the front end of the cab 10 on the front side of the seat 8. It is standing.
[0014]
The foot cover 9 is erected vertically up to an intermediate position between the erected upper and lower positions, and the upper part is inclined toward the seat 8. A handle body 11 is provided on the upper surface of the foot cover 9 so as to protrude upward in a gate shape.
[0015]
The handle body 11 has left and right legs fixed to the upper surface of the foot cover 9, and a display device 13 having a display surface formed on the upper surface is disposed at the center of the central horizontal rod. The display unit 13A of the display device 13 displays the current work status, for example, the remaining amount of fuel, the radiator temperature, the engine load, the supply clogging, the second clogging, the tying of the binding string, the sawing depth, the chaff clogging, and the chaff full. In addition, various notices, warnings, and the like, such as clogging of straw and clogging of binding are displayed. The display device 13 is connected to an input / output device such as a power supply unit and an information processing device through the handle body 11 via a wiring 40.
[0016]
A steering lever 12 for running and raising and lowering the pre-cutting device 3 is erected from the right side of the upper surface of the handle body 11 so as to be cross-operable. The control lever 12 is, for example, of an electrically operated type, and can operate an electrically operated control valve (not shown).
Further, a support base 14 for supporting and supporting a wrist portion of a hand for operating the control lever 12 is provided in a portion of the handle body 11 located in front of the control lever 12.
[0017]
In the case of the combine having the above configuration, during the driving operation, for example, as shown in FIG. 1, the operator sits on the seat 8, grasps the left side of the handle body 11 with the left hand, and operates the operation lever 12 with the right hand. I do.
In the driving section structure of this embodiment, the position of the handle body 11 in which the control lever 12 is provided is located on the front side of the driver's cab 10 from the front end position by the amount that the upper side of the foot cover 9 is inclined toward the seat 8 side. I do.
Therefore, the forward view is better for the operator since the visibility is improved by the inclination. In FIG. 1, as an example, how much the pre-cutting device 3 can be seen by a driver in a sitting posture is shown by a two-dot chain line X in the case of the operating unit structure of this embodiment, and the conventional operating unit structure is shown. Is indicated by a dashed line of sight Y.
[0018]
[0019]
[0020]
[0021]
[0022]
[ Second embodiment ]
[0023]
As shown in FIGS. 3 and 4 , the display device 13 is provided movably with respect to the horizontal rod portion 11 </ b> A of the handle 11.
In the drawing, the display device 13 is externally fitted to the pipe-shaped handle body 11 so that the display device 13 can be moved in the left-right direction and around the axis with respect to the handle body 11. A plurality of pressing means 30 constituted by arranging a ball 32 urged on the handle body 11 and the display device 13 is provided at one of the sliding contact facing portions of the handle body 11 and the display device 13, and the other sliding contact facing portion is elastically pressed. By urging, the display device 13 can be moved with respect to the handle body 11 and stopped at the moving position. However, since the electric wires 40 and the like of the display device 13 are provided through the inside of the handle body 11, the electric wires 40 are not cut between the sliding contact portions in the movable range of the display device 13 so as to be cut. A hole 11B is formed in the horizontal rod portion 11A, and the detent projection 13B faces the hole 11B. The relationship between the hole 11B and the detent projection 13B may be reversed, that is, a configuration in which a hole is provided on the display device 13 side and the detent projection is provided on the horizontal rod portion 11A.
[0024]
Further, the display device 13 which is simply fitted to the handle body 11 may be configured to be movable in the left-right direction and the direction around the axis by friction holding. In this case, it is effective to use a resin or the like having a large frictional force on one of the friction surfaces.
[0025]
Further, a screw rod for tightening and releasing the display device 13 with respect to the handle body 11 by a knob operation is provided on the display device 13 side, and the display device 13 is mounted on the horizontal rod portion 11A of the handle body 11. May be configured to be movable in the left-right direction and the direction around the axis.
[0026]
Further, a ball detent mechanism of a ball detent mechanism that externally fits the display device 13 to the lateral rod portion 11A of the shaft-shaped handle body 11 and urges the handle body 11 and one of the facing surfaces of the display device 13 against elastic contact. A ball is arranged, and a large number of receiving holes for the ball are arranged at equal intervals in the left-right direction and the axial direction at the other sliding contact facing position, so that the display device 13 can be freely moved with respect to the handle body 11. Good.
[0027]
The display device 13 with respect to the handle body 11 may be configured to move only in the left-right direction or may be configured to move only in the direction around the axis. The part can be changed to a position that is easy for the operator to see.
[0028]
[Another embodiment]
(1) The present invention can also be applied to vegetable harvesters and the like.
[0029]
(2) In the above embodiment, the structure of the driving unit having the seat 8 was described, and an example in which the present invention was applied thereto was described. However, the present invention is not limited to this. You may apply to a partial structure.
[Brief description of the drawings]
FIG. 1 is an overall side view showing a combine. FIG. 2 is a perspective view showing a boarding control unit.
FIG. 3 is a front sectional view showing a relationship between a horizontal rod portion of a handle body and a display device.
FIG. 4 is a side sectional view showing a relationship between a horizontal rod portion of a handle body and a display device.
2 Traveling body 3 Cutting pre-processing device 9 Foot cover 10 Driver cab 11 Handle body 12 Control lever 13 Display device 14 Support base 20 Control tower

Claims (1)

A thin-walled foot cover is erected along the front edge of a driver's cab connected to the front of the traveling body, and a handle body projecting upward in a gate shape is provided on the foot cover. With
A display device is provided in the middle of the handle body,
A steering lever for running and raising and lowering the harvesting pretreatment device is provided on the handle body, and a support base for supporting a wrist portion of a hand for operating the control lever at a position rearward of the steering lever is provided on the handle. The operating part structure of the harvester that extends from the body .

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