JP2006340631A - Steering section of combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a steering section of a combine harvester, not only capable of immediately stopping an engine at emergency but also preventing misoperation of a starter switch. <P>SOLUTION: The steering section of the combine harvester, having a front panel 12 arranged in the right and left direction at the front part of a driving sheet 11 has the starter switch 20 for carrying out the starting and stopping operation of the engine, arranged at the outside face of a machine body of the front panel 12. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a combine control unit.

In a combine, a starter switch is generally disposed in a control unit, and an operator inserts a key into a key cylinder of the starter switch to perform power on / off operation and engine start / stop operation.
Conventionally, as the installation position of the starter switch in the combiner, the center position of the upper surface of the front panel (for example, refer to Patent Document 1) or the right position of the upper surface of the front panel (for example, refer to Patent Document 2) or the right side of the steering column The surface position is known. (For example, refer to Patent Document 3.)
Japanese Patent Laying-Open No. 2005-48697 (FIGS. 8 and 9) Japanese Patent Laying-Open No. 2005-52026 (FIG. 3) Japanese Patent Laying-Open No. 2005-117701 (FIG. 6)

However, when trying to stop the engine in an emergency, the device described in Patent Document 1 has a starter switch in the center of the front panel, and it is difficult to quickly operate the starter switch from the state of getting off.
Moreover, although the starter switch is arranged close to the right side of the front panel, the one described in Patent Document 2 is located on the upper surface of the front panel and the armrest is located above the starter switch. It was difficult to operate the switch quickly.
Further, in Patent Document 3, the steering column is located on the right side of the steering panel on the back of the front panel, but the key inserted in the starter switch is located near the operator's knee because the steering column is in the center of the front of the driver's seat. However, there was a problem that the knee accidentally touched the key.
An object of the present invention is to improve the conventional operability.

The first feature is that a starter switch for starting and stopping the engine is arranged on the outer surface of the body of the front panel in the control unit of the combine in which the front panel is arranged in the left-right direction in front of the operation seat.
In addition to the first feature, the front panel is composed of a support frame that supports the front panel on the body frame and a front cover that covers the front of the support frame, and a starter switch is attached to the outer surface of the support frame. A second feature is that the front cover is provided to protrude outward from the support frame so that the key does not protrude outward from the front cover in a front view when the key is inserted.
In addition to the first or second feature, on the outer side of the body on the upper surface of the front panel, a steering operation means for steering the body by an operation in the left-right direction, an armrest is provided behind the steering operation means, A third feature is that a maintenance cover for covering the detection means for detecting the operation position of the steering operation means is provided below the armrest, and a starter switch is arranged in the maintenance cover.

With the configuration described above, the starter switch for starting and stopping the engine is arranged on the outer surface of the fuselage on the front panel, so that the starter switch can be easily operated even when getting off the vehicle. In addition, erroneous operation of the starter switch can be prevented.
In addition, the front cover protrudes outward from the support frame so that the key does not protrude outward from the front cover when viewed from the front. There is nothing.
In addition, a maintenance cover for covering the detection means for detecting the operation position of the steering operation means is provided below the armrest, and the starter switch is arranged in the maintenance cover, so that the starter switch can be easily maintained, The cover can also be used to reduce costs.

Next, one embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a right front perspective view of the combine.
Reference numeral 1 denotes a combine. The combine 1 includes a pre-processing unit 2 that cuts the stems in front of the machine body, and threshs the grains from the cut stems and cuts the grains at the upper part of the machine frame 3. Threshing section 4, grain tank 5 for storing the selected grain, discharge auger 6 for discharging the grain stored in the grain tank 5 to the outside of the machine, and post-processing for discharging the threshed waste And a control unit 9 on which an operator is boarded, and a lower part of the body frame 3 is provided with a crawler 10 as a traveling device.

2 is a right side view of the control unit 9, FIG. 3 is a plan view of the control unit 9, and FIG. 4 is a rear view of the control unit 9.
A front panel 12 is disposed in the left-right direction in front of the operation seat 11 provided in the control unit 9, and a side panel 13 is disposed in the front-rear direction on the left side of the operation seat 11. Reference numeral 14 denotes an engine cover that covers the engine provided in the lower portion of the operation seat 11.

  The front panel 12 includes a U-shaped support frame 15 installed on the body frame 3 and a front cover 16 that covers the front of the support frame 15. Provided on the upper right side of the front panel 12 is a multi-steering lever 17 that also serves as steering operation means for steering the aircraft by operating in the left-right direction and pre-processing operation means for moving the pre-processing unit 2 up and down by operating in the front-rear direction. In addition, an armrest 19 is provided behind the multi-steer lever 17. A starter switch 20 for starting and stopping the engine is disposed on the right side surface of the support frame 15 below the armrest 19. A maintenance cover 21 covers a potentiometer (detection means) 22 for detecting the operation positions of the starter switch 20 and the multi-steer lever 17 and is fixed to the front panel 12 with screws 23.

  Reference numeral 25 denotes a microcomputer alarm for displaying an error of the microcomputer unit 26 by a numeral. The microcomputer alarm 25 is built in the back surface of the microcomputer unit 26 provided on the front side of the support frame 15 and is seated on the driving seat through an opening 27 opened in the support frame 15 corresponding to the position of the microcomputer alarm 25. It is arranged so that it can be seen by the operator, and is usually covered with a cover 29. A fuse box 30 is provided in the vicinity of the microcomputer alarm 25, so that it becomes easy to check the fuse according to the display of the microcomputer alarm 25.

The side panel 13 is provided from the left rear end of the front panel 12 to the left side of the operation seat 11. The traveling system operating means 31 is concentrated on the front side of the upper side of the side panel 13 and the working system operating means 32 is concentrated on the rear side, and the traveling system operating means 31 side of the upper surface of the side panel 13 is configured lower than the front. Thereby, the visibility of the upper surface of the side panel 13 in front of the operation seat 11 is improved. Further, the operation system operation means 32 side on the upper surface of the side panel 13 is arranged at a higher position than the travel system operation means 31 side to prevent erroneous operation.

  The driving system operating means 31 on the upper surface of the side panel 13 has an engine control lever 33 for controlling the engine speed from the driver's seat side, and is operated in the front-rear direction from the neutral position, so that the aircraft can be stopped from the stopped state according to the operation amount. A main transmission lever 35 that moves forward and backward in a stepless manner and an auxiliary transmission lever 36 that further shifts the power shifted by the main transmission lever 35 in two steps by switching in the front-rear direction are also provided.

  FIG. 5 is a detailed view of the right side surface of the main transmission lever 35. The main transmission lever 35 is composed of a lever arm 51 and a lever support portion 52, and a horizontal shaft 55 provided on the lever frame 53 is used as a rotation fulcrum. By rotating in the front-rear direction, the traveling HST 57 is continuously variable from neutral to forward / reverse via the operation link 56. Further, the lever arm 51 of the main transmission lever 35 rotates in the left-right direction at a neutral position with a front-rear shaft 59 provided on the lever support portion 52 as a rotation fulcrum. By biasing the lever arm 51 forward in the neutral position, the neutral position is not overrun when the main transmission lever 35 is operated from the forward position or the reverse position to the neutral position, thereby preventing erroneous operation. At the same time, the operability is usually improved by urging to the forward side which is frequently used. 6 is a detailed view of attaching the return spring 60 of the lever arm 51. A plate 61 is fixed to the lever arm 51, and an L-shaped plate 62 supporting the return spring 60 is welded to the plate 61 and a bolt 65. The L-shaped plate 62 is prevented from rotating by a plate 66 welded to the plate 61 while being fixed together.

  An automatic switch 67 for switching ON / OFF of various automatic controls is disposed in front of the work system operation means 31 on the upper surface of the side panel 13, and the drive to the threshing unit 4 is intermittently operated behind the work system operation means 31. A work machine clutch lever 69 and a cutting clutch lever 70 for intermittently operating the drive to the preprocessing unit 2 are provided. 7 is a right side cross-sectional view of the main part of the side panel 13. The front and rear end portions 71 of the holes opened on the upper surface of the side panel 13 are bent 90 degrees downward, and the front and rear end portions 71 of the side panel 13 are connected to the automatic switch 67. The automatic switch 67 is fixed to the side panel 13 by fitting into the formed groove 72.

  8 is a rear view of the engine cover 14, and FIG. 9 is a sectional view taken along line XX of FIG. 8. The engine cover 14 is provided with openings 81 for introducing cooling air at the upper and lower sides. The periphery of a single dust screen 83 covering the upper and lower openings 81 is fixed to the engine cover 14 via a support plate 82 provided on the periphery, and the center portion of the dust screen 83 is covered by the backing plate 85 with the engine cover. It is suppressed to the 14 side. Reference numeral 86 denotes a P nut welded to the support plate 82, and 87 denotes a bolt for fixing the dust net 83 together with the P nut 86.

10 to 12 are a cross-sectional view and a lug pattern diagram of the crawler 10, respectively.
The crawler 10 in FIG. 10 sets the outer peripheral portion 92 of the roller rolling surface 91 at the BB cross-sectional position to the same height as the lug 93 at the AA cross-sectional position, so that the outer peripheral portion of the roller rolling surface 91 is set. 92 becomes the same height, can reduce traveling vibration when traveling on the road, and can move comfortably. In addition, since the outer peripheral portion 92 of the rolling wheel rolling surface 91 at the BB cross-sectional position has a hollow structure, the outer peripheral portion 92 of the hollow structure is crushed and the crawler driving force can be maintained in the field.

  The crawler 10 in FIG. 11 is configured such that the height of the lug 95 corresponding to the outer periphery of the roller rolling surface 91 at the CC cross-sectional position is lower than the height of the other lugs 96, and between the lugs 95, 96. By recessing to the same thickness as the position without the lugs 95, 96, the lug 96 bends upward when traveling on the road, and the ground contact area of the crawler 10 is reduced, so that traveling vibration can be reduced and the vehicle can move comfortably.

  The crawler 10 of FIG. 12 can hold mud on the outer peripheral surface side of the crawler 10 in a soft field such as a wet field by molding both ends 97 of the outer peripheral surface higher than the lug 99 over the entire circumference of the crawler 10. Will improve.

With the above configuration, the starter switch 20 for starting and stopping the engine is disposed on the right side surface of the front panel 12 in the control unit 9 of the combine 1 in which the front panel 12 is disposed in the left-right direction in front of the operation seat 11. Thus, since the starter switch 20 can be easily operated even when the vehicle is getting off, the engine can be stopped immediately in an emergency, and erroneous operation of the starter switch 20 can be prevented.
Further, the front panel 12 is configured by a support frame 15 that supports the front panel 12 on the body frame 3 and a front cover 16 that covers the front of the support frame 15, and a starter switch 20 is attached to the outer surface of the support frame 15.
By providing the front cover 16 projecting outward from the support frame 15 so that the key does not project outward from the front cover 16 when viewed from the front when the key is inserted into the starter switch 20, for example, Uncut cereals are not caught by the key during middle cutting.
Further, on the outer side of the front panel 12 on the upper side of the machine body, a steering operation means 17 for steering the machine body by operating in the left-right direction, an armrest 19 is provided behind the steering operation means 17, and below the armrest 19. Since the maintenance cover 21 covering the detection means for detecting the operation position of the steering operation means 17 is provided and the starter switch 20 is disposed in the maintenance cover 21, the starter switch 20 can be easily maintained, and the cover 21 can also be used and the cost can be reduced.

It is a front right perspective view of a combine. It is a right view of a control part. It is a top view of a control part. It is a rear view of a control part. It is a right side detailed view of the main transmission lever. It is a return spring attachment detailed drawing of a lever arm. It is a principal part right sectional drawing of a side panel. It is a rear view of an engine cover. It is XX sectional drawing of FIG. It is sectional drawing and a lug pattern figure of a crawler. It is sectional drawing and a lug pattern figure of a crawler. It is sectional drawing and a lug pattern figure of a crawler.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Combine 3 Airframe frame 9 Control part 11 Driving seat 12 Front panel 15 Support frame 16 Front cover 17 Multi steering lever (steering operation means)
19 Armrest 20 Starter switch 21 Cover 22 Potentiometer (detection means)

Claims (3)

In the control section of the combine in which the front panel (12) is arranged in the left-right direction in front of the driving seat (11),
A control unit for a combine, wherein a starter switch (20) for starting and stopping the engine is disposed on an outer surface of the front panel (12). The front panel (12) includes a support frame (15) that supports the front panel (12) on the body frame (3), and a front cover (16) that covers the front of the support frame (15). ) Install the starter switch (20) on the outer surface of
When the key is inserted into the starter switch (20), the front cover (16) protrudes outward from the support frame (15) so that the key does not protrude outward from the front cover (16) in front view. The combine control section according to claim 1, wherein the combine control section is provided. A steering operation means (17) for steering the aircraft by a lateral operation is provided on the upper surface of the front panel (12), and an armrest (19) is provided behind the steering operation means (17). A maintenance cover (21) covering the detection means (22) for detecting the operation position of the steering operation means (17) is provided below the armrest (19);
The combine control unit according to claim 1 or 2, wherein a starter switch (20) is arranged in the maintenance cover (21).

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