JP2009171845A - Combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a combine harvester equipped with a main gear shift lever easily operable even in both a standing posture and a sitting posture, and having an operation switch operable by more persons. <P>SOLUTION: The combine harvester includes the main gear shift lever 25 located in the left oblique front of a driver's seat in the machine body and a grip part 31 is extendedly installed from the top of an upwardly extending lever shaft part 30 in the direction to cross the lever shaft part 30 and formed into a nearly L-shaped state. The grip part 31 of the main gear shift lever 25 includes a lodged grain-culm reaping switch 33 in the right and the left directions over the nearly full length and the lodged grain culm-reaping switch 33 is extendedly installed long even in the vertical width direction from the front of the grip part over the lower side. An operator smoothly performs harvesting operation even for lodged grain culms by pushing down the front side of the lodged grain culm-reaping switch 33 during a sitting posture, and pushing the lower side of the lodged grain culm-reaping switch 33 during a standing posture. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a combine that is operated to be shifted by a shift lever provided in a driving portion, and more particularly to a structure of a grip portion of the shift lever.

  2. Description of the Related Art Conventionally, a combine has been devised in which a traveling body supported by a traveling device (crawler traveling device) is subjected to a speed change operation by a speed change lever (main speed change lever) disposed in a driving operation portion (driver's seat) (see Patent Document 1). ).

JP 2005-58158 A

  The combine described in Patent Document 1 is operated by a plurality of switches disposed below the grip portion of the shift lever, such as handling depth and lying down, and these switches are operated in the sitting posture. The operator is assigned to each finger on the basis of the operator, and stands up from the driver's seat during the harvesting operation, and operates the above switch while confirming the fallen state of the cereals in front of the field and the harvesting and transporting status of the cereals. Then, there was a problem that it was difficult to push.

  Accordingly, an object of the present invention is to provide a combine that solves the above-described problems by providing an operation switch from the front surface of the grip portion of the shift lever to the lower side.

According to the first aspect of the present invention, the driving operation unit (9) is disposed on the traveling machine body (2) supported by the traveling device (3), and the shift lever (25) provided in the driving operation unit (9) is used. In the combine (1) for shifting the traveling machine body (2),
The speed change lever (25) includes the lever shaft portion (30) that can swing in the front-rear direction, and a grip portion (31) that is provided at the upper end of the lever shaft portion (30) and that is long in the left-right direction. ,
In the grip part (31), an operation switch (33) is provided from the front to the bottom so that the grip part (31) can be operated by an operator in a standing posture or a sitting posture.
It is in the combine (1) characterized by this.

According to a second aspect of the present invention, the operation switch (33) extends over substantially the entire surface of the grip portion (31) in the left-right width direction.
The combine according to claim 1.

  In addition, although the code | symbol etc. in a parenthesis is for contrast with drawing, it does not have any influence on a claim by this.

  According to the first aspect of the present invention, even if the operator changes the posture and the relative position between the finger and the operation switch changes, the operation switch is provided from the front to the lower side of the grip portion of the speed change lever. In the sitting posture, the operation switch can be easily operated by pressing the front side of the operation switch and in the standing posture by pressing the lower side of the operation switch.

  According to the second aspect of the present invention, the operator can operate the operation switch with any finger by forming the operation switch over substantially the entire length in the left-right width direction of the grip portion. Even if you have a handicap, you can do as much as possible.

  The combine which concerns on embodiment of this invention is demonstrated based on drawing below.

  As shown in FIGS. 1 and 2, the combine 1 has a traveling machine body 2 supported by a pair of left and right crawler traveling apparatuses (traveling apparatuses) 3. And a pre-processing unit 5 that conveys the harvested culm to a threshing unit 7 disposed behind it is provided so as to be movable up and down.

  A driving operation unit 9 is provided on the side of the pretreatment unit 5, and a Glen tank 10 for temporarily storing the threshed grain is provided behind the operation unit 9 and on the side of the threshing unit 7. ing. Moreover, the grain stored in the Glen tank 10 is discharged | emitted by the discharge auger 11, and the waste is processed by the post-processing part 12 provided in the back of the threshing part 7. FIG.

  As shown in FIG. 3, a driver's seat 13 on which a driver is seated is disposed in the center of the driving operation unit 9, and an ignition key 16 for starting an engine 15 (see FIG. 2) is provided in front of the driver's seat. ing. A multi-steering lever 17 is provided on the right side of the ignition key 16 so as to operate the left-right turn of the aircraft and the raising / lowering of the pre-processing unit 5. The lower-limit height of the pre-processing unit 5 is set at an arbitrary position on the left side of the aircraft. A cutting height dial 19 that adjusts the cutting height and a horizontal manual cross lever 20 that adjusts the left and right vehicle heights of the traveling machine body 2 to operate the machine body horizontally is provided. The cutting height dial 19 is also configured as a lift shut switch. When the pre-processing unit 5 is in the raised position when the work implement clutch and the cutting clutch are connected by pressing, The cutting and conveying work can be stopped.

  Further, on the side of the driver's seat 13, in addition to the working machine / reaching clutch lever 22, an engine control lever 23 for adjusting the engine speed, a main speed changing lever 25 for shifting the body, a work purpose and a cutting condition. Various automatic switch groups 27 such as an auxiliary transmission lever 26 and a depth-of-saw automatic switch are provided.

  The main transmission lever 25 is located diagonally to the left of the driver's seat 13 in the direction of travel of the aircraft. The main transmission lever 25 can be in a sitting position where the operator is seated on the driver's seat 13 or in a standing position where the operator stands on the step 29 ahead of the driver's seat 13. The grip portion 31 extends in a direction intersecting the driver seat 13 with respect to the lever shaft portion 30 that can be tilted (oscillated) back and forth along the lever guide 25a and extends upward. As a whole, it is substantially L-shaped in front view (see FIG. 4).

  As shown in FIGS. 4 to 6, the grip portion 31 has a shape that is substantially elliptical in cross section, and extends horizontally from the upper end of the lever shaft portion 30 in the left-right direction of the fuselage. Over the entire length of the direction, there is provided an overturning cut switch (operation switch) 33 that smoothly cuts the fallen cereal by increasing the drive speed of the pretreatment unit 5 and the threshing feed chain 32. Further, at the tip of the grip portion 31, there is provided a forced scraping switch 35 that drives the pretreatment portion 5 and the threshing feed chain 32 only while the switch is pressed even when the traveling machine body 2 is stopped or moving backward.

  The fall cut switch 33 has a lateral width L that is substantially the same length as the lateral width direction of the body of the grip portion 31, and its longitudinal width direction is also formed long from the front surface of the grip portion 31 downward. It has a rectangular shape. Therefore, as shown in FIG. 6, when the operator grips the grip portion 31 of the main speed change lever 25, the fall pruning switch 33 comes into contact with any finger holding the grip portion 31, and as shown in FIG. 7. When the pilot is in the sitting position, the front side of the switch is in contact with each finger of the pilot. When the pilot is in the standing position as shown in FIG. 8, the lower side of the switch is in contact with each finger of the pilot. It is configured.

  A pivot shaft 36 extending horizontally in the longitudinal direction of the machine body is interposed between the upper end portion of the lever shaft portion 30 and the grip portion 31, and the grip portion 31 is centered on the pivot shaft 36. It is configured to be swingable in the vertical direction of the machine body. The grip portion 31 is configured so that the handling depth conveying device (operation target portion) 37 of the preprocessing portion 5 can be moved up and down by swinging the grip portion 31, and as shown in FIG. When swinging upward from A to the raised position B, the handling depth conveying device 37 rises to increase the handling depth, and when swinging downward from the neutral position A to the lowered position C, handling depth conveyance The device 37 is lowered to reduce the handling depth.

  The rotating shaft 36 may be configured to stop (fix) the grip portion 31 at predetermined positions B and C in addition to the neutral position A by a stopper, a click mechanism, and the like. By moving up and down, not only the handling depth conveying device 37 but also other movable body moving parts such as a horizontal operation of the traveling machine body 2 and a lifting and lowering of the preprocessing unit 5 may be operated.

  Next, the operation of the combine 1 according to the present embodiment will be described.

  When the operator gets into the driving operation unit 9 and sits on the driving seat 13, the ignition key 16 is turned to start the engine, and the main transmission lever 25 is operated to advance the traveling machine body 2 to start the harvesting operation. . During the harvesting operation, the operator grasps the grip 31 of the main speed change lever 25, ensures the stability of the body and occasionally stands up from the driver's seat 13, and confirms the state of the cereals in front, reaping and transporting the cereals. To do.

  When the front grain bunker is lying down, the operator presses the lodging cut switch 33 with an arbitrary finger while holding the grip part 31, and increases the drive speed of the pretreatment part 5 and the threshing feed chain 32 to smoothly harvest. Will continue. At this time, when the pilot is in the sitting position, the forward cut switch 33 is pressed in the forward direction, and in the standing position, the lower part is pressed. Further, according to the length of the cereal, the operator swings the grip part 31 upward to increase the handling depth, or swings the grip part 31 downward to reduce the handling depth. Or

  Even during the operation described above, the operator holds the grip portion 31 to ensure the stability of the body, and proceeds with the harvesting work while dealing with unexpected shaking in a field scene with poor travelability.

  By configuring the combine 1 as described above, the handling depth conveying device 37 can be moved up and down by the vertical swing of the grip portion 31. Therefore, the operator can adjust the handling depth of the cereal without taking his hand off the grip portion 31, and can always ensure the stability of the body even in the standing posture. Further, by associating the vertical swing of the grip portion 31 with the lifting and lowering of the handling depth transport device 37, the operator can perform a lifting operation of the handling depth transport device 37 sensuously. Operation errors can be reduced.

  Furthermore, the operator can operate the lodging trimming switch 33 with an arbitrary finger by forming the lodging trimming switch 33 substantially in the lateral width direction of the grip portion 31 from the front side to the lower side, Any person can easily operate the switch. Also, even if the relative positional relationship between the finger and the lodging trimming switch 33 changes in the vertical or horizontal direction by changing the posture from the sitting posture to the standing posture or from the standing posture to the sitting posture, the position where each finger always reaches There is a fall cut switch 33, which can be easily operated in either a sitting posture or a standing posture.

  Furthermore, the grip part 31 is extended in the direction intersecting from the lever shaft part 30 to the driver's seat 13 side, and the grip part 31 has a shape that is easy to grip by forming the main transmission lever 25 in a substantially L shape. The grip portion 31 can be easily gripped to support the body.

The left perspective view of the combine which concerns on embodiment of this invention. The right perspective view of the combine which concerns on embodiment of this invention. The top view of the driving operation part which concerns on embodiment of this invention. FIG. 3 is a front view of the main transmission lever according to the embodiment of the present invention. The right side view of the main speed change lever which concerns on embodiment of this invention. FIG. 3 is a perspective view of a main transmission lever according to the embodiment of the present invention. The right view which shows the state which the operator of the seating posture is grasping the main transmission lever which concerns on embodiment of this invention. The right view which shows the state which the operator of the standing posture is grasping the main transmission lever which concerns on embodiment of this invention.

Explanation of symbols

1 Combine 2 Traveling machine 3 Crawler traveling device (traveling device)
9 Driving operation section 25 Shift lever 30 Lever shaft section 31 Grip section 33 Overturning switch (operation switch)

Claims (2)

In a combine in which a driving operation unit is arranged on a traveling machine body supported by a traveling device, and the traveling machine body is speed-changed by a shift lever provided in the driving operation unit,
The shift lever includes the lever shaft portion that is swingable in the front-rear direction, and a grip portion that is provided at an upper end of the lever shaft portion and is long in the left-right direction.
In the grip portion, an operation switch is provided from the front to the lower side so that it can be operated by a driver in a standing posture or a sitting posture.
Combine that is characterized by that. The operation switch extends over substantially the entire surface of the grip portion in the left-right width direction.
The combine according to claim 1.

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