JP5012452B2 - Vehicle control structure - Google Patents

Description

  The present invention relates to a control unit structure for a vehicle such as a combine.

For example, in a combine, a battery in which a battery can be taken out at a position below a step portion under a front column is known (Patent Document 1).
Further, in the combine, a controller mounting base is pivotally supported in a seat column that supports and supports the seat at the rear of the step, and a controller mechanism is disposed on the controller mounting base, below the controller mounting base. A battery is known (Patent Document 2).

Further, in a combine, a battery stand is provided in an auxiliary step, a part of the side plate of the step is opened, and the amount of battery liquid can be confirmed from the outside through the opening (Patent Document 3).
JP-A-11-318163 Japanese Utility Model Publication No. 62-153818 Japanese Utility Model Publication No. 60-254

  The above-mentioned Patent Document 1 requires a dedicated fixing means for fixing the battery at a predetermined position when the battery is arranged at a position below the step floor below the front column. Since a wide space is formed between them, there is a problem that the step floor is at a high position from the ground and it is difficult to get on and off.

  In addition, in Patent Document 2, a controller mounting base is rotatably provided in a rear seat column of a step floor, a controller mechanism is disposed on the controller mounting base, and a battery is placed below the controller mounting base. Since it is attached with bolts and nuts, it is necessary to remove the bolts and nuts and remove the battery during battery maintenance, which is troublesome.

Moreover, the thing of the said patent document 3 mounts a battery on the battery stand provided in the auxiliary | assistant step, It was necessary to support a battery with a special fixing means.
Therefore, according to the present invention, when arranging the battery below the step floor of the combine, by devising the step floor, the step floor is provided with a battery fixing function to solve the above-mentioned problem, and the battery can be easily and quickly removed. It is something to try.

  According to the present invention, the step frame (22) of the control unit (3) provided on the traveling vehicle body (1) is divided into left and right plate frame bodies (22a, 22a) in the vertical direction and the left plate frame body (22a). The frame is formed into a quadrilateral frame in plan view with the upper part opened by a left and right frame frame (22c) and a bottom plate (22b) that connect between the right frame and the right frame (22a). 22) a step floor (21) having a quadrilateral plan view made of a synthetic resin material is detachably provided so as to cover the upper open portion of 22), and a front locking recess (21f) is provided at the front lower portion of the step floor (21). An encircling recess (21b) opened downward on the rear side of the front locking recess (21f), and a battery mounting portion on the front side of the bottom plate (22b) of the step frame (21), The battery (23) is placed on the battery mounting section. When the step floor (21) is mounted on the upper part of the step frame (22) by engaging the front side locking recess (21f) of the step floor (21) with the frame frame (22c) in the state of being placed, The front and rear side surfaces and the left and right side surfaces of the surrounding recess (21b) of the step floor (21) and the lower surface of the step floor (21) approach the upper portion of the battery (23), and the battery (23) is moved by the step floor (21). The vehicle control unit structure is characterized in that the vehicle is controlled.

  According to this configuration, with the battery 23 mounted on the battery mounting portion of the bottom plate 22b of the step frame 22, the front locking recess 21f of the step floor 21 is engaged with the left and right frame frame 22c on the step frame 22 side. When the rear side portion of the step floor 21 is turned downward and the upper open portion of the step frame 22 is closed, the front and rear side surfaces, the left and right side surfaces, and the upper surface of the surrounding recess 21b approach the upper portion of the battery 23 to regulate the position. The movement of the battery 23 is restricted.

  According to the present invention, by closing the upper open portion of the step frame 22 by mounting the step floor 21, the movement of the battery 23 mounted on the step frame 22 can be restricted by the surrounding recess 21b, and the battery 23 can be easily In addition, when the step floor 21 is removed from the step frame 22, the battery 23 can be easily removed, and maintenance of the battery 23 can be easily performed. Further, the height of the step frame 22 is made low so that the operator can easily get on and off the step floor 21.

Hereinafter, embodiments of the present invention shown in the drawings will be described.
First, the whole structure of the combine which comprises this invention is demonstrated with FIG.1 and FIG.2. FIG. 1 is an overall side view of the combine, and FIG. 2 is a plan view thereof.

  Left and right traveling crawlers 2 and 2 are arranged below the traveling vehicle body 1 of the combine. On the traveling vehicle body 1, a steering unit 3 with a seat on the right front is provided, and an engine (not shown) and a grain are disposed behind the vehicle. A grain storage grain tank 4 is provided, a threshing unit 5 is mounted on the left side of the traveling vehicle body 1, and a cutting and conveying unit 7 is provided on the front side portion of the traveling vehicle body 1 to be movable up and down.

Next, a specific configuration of the control unit 3 will be described with reference to FIG.
A front operation box 3b is provided on the front side of the seat 3a of the control unit 3, and a side operation box 3c is provided on the left side. A power steering lever 11 is provided at the right end of the front operation box 3b, and a monitor display 12 is provided at the front. The side operation box 3c includes an accelerator lever 14 that adjusts the fuel injection amount of the engine from the front side to the rear side, a continuously variable transmission (not shown) that continuously changes the traveling power and working power from the engine. A main transmission lever 15, a subtransmission device (not shown), a subtransmission lever 16 for shifting, a cutting and threshing clutch lever 17 for turning on and off the power of the feed chain of the chopping and conveying unit 7 and the threshing unit 5 are provided.

Next, the step floor 20 of the control unit 3 will be described with reference to FIGS.
The control unit 3 is mounted on the upper portion of the step frame 22 raised from the traveling vehicle body 1, and the upper portion of the step frame 22 is detachably closed by a step floor 21 made of a synthetic resin material. The step frame 22 is opened in a rectangular shape in plan view by a frame pipe 22c that connects the left and right plate frame bodies 22a and 22a, the bottom plate 22b, and the front side portions of the left and right plate frame bodies 22a and 22a along the vertical direction. The configuration is as follows. A mounting portion for the battery 23 is formed in the left and right center of the front end portion of the bottom surface 22b of the step frame 21, and an operation pedal 24 is provided on the right side.

  The front and rear left and right end portions of the step floor 21 are constituted by floor frame side plates 21a,... In the vertical direction, and the front side end portion of the step floor 21 is formed with an enclosing recess 21b that opens downward. When the upper opening of the step frame 22 is closed by the step floor 21 with the battery 23 mounted on the bottom plate 22b of the step frame 22, the upper portion of the battery 23 is fitted into the surrounding recess 21b of the step floor 21 from below. The front and rear side surfaces, the left and right side surfaces, and the upper surface of the surrounding recess 21b approach the upper portion of the battery 23, and are configured to restrict and position the displacement.

  Further, the front upper portions of the left and right plate frame bodies 22a, 22a along the vertical direction of the step frame 22 are connected and reinforced by frame pipes 22c along the horizontal direction. Further, a front side locking recess 21f is provided in the front lower portion of the step floor 21, and a rear side locking convex portion 21g is provided in the rear lower portion. Further, the lower end portions of the front and rear floor frame side plates 21a,... Of the step floor 21 are configured to be fitted to the upper end portions of the left and right plate frame bodies 22a, 22a of the step frame 22 from above.

  Thus, when the front side locking concave portion 21f of the step floor 21 is fitted to the frame pipe 22c of the step frame 22 and the rear side portion is rotated downward, the rear side locking convex portion 21g of the step floor 21 is moved to the step floor. Are fitted into the recesses (not shown) of the bottom plate 22b of the step frame 22, and the left and right floor frame side plates 21a,... Of the step floor 21 are fitted to the left and right plate frame bodies 22a,. This is a configuration that is prevented and positioned.

  According to the above configuration, when the step floor 21 is fitted and mounted on the step frame 22 from above, the upper part of the battery 23 placed on the bottom plate 22b of the step frame 22 is placed on the front and rear side surfaces, the left and right side surfaces, and the upper surface of the surrounding recess 21b. Since the restriction is fixed so as to cover in the approaching state, the restriction fixing of the battery 23 is easily completed, and by removing the step floor 21 from the step frame 22, the battery 23 can be easily removed, and maintenance is easy. Become.

Next, the upper surface configuration of the step floor 21 will be described with reference to FIG.
The front floor 21c on which the operator of the step floor 21 places his / her feet during driving work has narrow grooves 26a,... In the left-right direction and ridges 26b,. It constitutes a directional slip stopper. In addition, the right and left getting-on / off floor portion 21d on which the operator puts his / her feet when getting on and off constitutes a left / right anti-slip in which thin grooves 26c,... And ridges 26d,. is doing.

  In addition, the left end portion of the work floor portion 21c is arranged at a high position and the boarding / alighting floor portion 21d is arranged at a low position, and the lower surface of the work floor portion 21c is configured to be an inclined surface 21e that becomes higher toward the inside and lower toward the boarding / exiting floor portion 21d. is doing. Thus, the water dropped on the work floor portion 21c can be guided and removed to the boarding / exiting floor portion 21d.

  Further, on the inclined surface 21e of the work floor portion 21c, the ridges 26b,... Are made higher as they approach the boarding / exiting floor portion 21d, and the upper surface of the ridges 26b,. Are made deeper as they approach the boarding / exiting floor portion 21d.

  According to the above configuration, when the operator sits on the seat 3a during the driving work, the work floor portion 21c is formed with a horizontal plane by the large number of ridges 26b in the left and right directions, so that the legs are less likely to slip back and forth. By the concave grooves 26c in the front-rear direction of the floor portion 21d and the ridges 26d, it is possible to provide a safe step floor 21 that does not slip in the left-right direction and does not catch a foot. It is possible to improve drainage of the portion 21c.

  Further, when forming a plurality of thin concave grooves 26c,... And ridges 26d,... Parallel to the front / rear direction on the boarding / exiting floor portion 21d, they are separately formed of rubber, for example, and are detachably screwed onto the boarding / exiting floor portion 21d. You may comprise. If it does in this way, boarding / alighting floor part 21d can be made still more difficult to slip.

Next, the transmission structure of the combine will be described with reference to FIG.
A transmission configuration from the engine (not shown) to the traveling crawlers 2 and 2 will be described. An engine (not shown) is disposed in the lower rear portion of the control unit 4, and the power of the engine passes through a belt transmission (not shown), and an input shaft of an HST (hydrostatic continuously variable transmission) 32 at the top of the traveling mission case 31 32a. The power that has been forward / reversely switched and continuously variable by the HST 32 is transmitted to the mission input shaft 33 above the traveling mission case 31 via the HST output shaft 32b and a clutch mechanism 42 described later.

  The power transmitted to the mission input shaft 33 is shifted to a low speed, a medium speed, and a high speed by the auxiliary transmission 34, and the center gear 35, the left and right side clutch devices 36 and 36, the subsequent gear group 35a of the center gear 35, and the differential mechanism 37. The left and right traveling transmission shafts 39 and 39, the left and right drive sprockets 40 and 40, and the traveling crawlers 2 and 2 are transmitted through the left and right traveling gears 38 and 38.

  In addition, a turning clutch 51 and a rectilinear clutch 52 are arranged in parallel on a clutch shaft 50 that is pivoted between the center gear 35 and the differential mechanisms 37, 37, and the turning clutch 51 and the rectilinear clutch 52 are selectively turned on and off. It is configured as follows.

  Thus, when the turning clutch 51 is disengaged after the straight clutch 52 is engaged, it goes straight to the left and right drive shafts 39, 39 via the center gear 35, the straight clutch 52, the following gear group 35a, the differential mechanism 37, and the left and right drive gears 38, 38. Power is transmitted. Further, when the straight clutch 52 is disengaged with the turning clutch 51 engaged, the center gear 35, the turning clutch 51, the following gear group 35a, the differential mechanism 37, the left and right traveling gears 38, Through 38, the turning power is transmitted to the left and right traveling transmission shafts 39, 39.

  An HST output shaft 32 b and a clutch shaft 43 are mounted on the same shaft above the traveling mission case 31, and a clutch mechanism 42 is provided on the HST output shaft 32 b and the clutch shaft 43. As shown in FIG. 9B, the clutch mechanism 42 is connected to the mission input shaft 33, or power is transmitted from the HST output shaft 32b to the clutch shaft 43 via the cutting clutch mechanism 42. Power is transmitted from the shaft 43 to the feed chain of the cutting and conveying unit 7 and the threshing unit 5 via the clutch gear 44, the gear 45, the transmission input shaft 33, and the cutting pulley 47 attached to one end of the transmission input shaft 33. . When the mission input shaft 33 is rotated by the sub-speed shift running 34, power synchronized with the shift is transmitted to the cutting pulley 47.

  According to the above configuration, even when traveling is stopped, when the harvesting clutch mechanism 42 is connected to the clutch shaft 43, the feed chain of the harvesting conveyance unit 7 and the threshing unit 5 is connected from the HST output shaft 32 b via the harvesting clutch mechanism 42. The power can be transmitted, and the already harvested cereal meal in the cutting and transporting unit 7 can be transported to the threshing unit 5 in a state where traveling is stopped by a shoreline cutting operation or the like.

Next, the operation configuration of the mowing clutch mechanism 42 will be described with reference to FIG.
The side operation box 3c of the control unit 3 is provided with the HST lever 61 for shifting the HST 32, and the HST lever 61 is pivotally supported around the left and right direction shaft 61a and the front and rear direction shaft 61b. 62a, a forward position 62b, a reverse position 62c, a neutral position 62c in the left-right direction, and a linkage release position 62d.

  Further, a brake pedal 63 is provided in the control unit 3. A brake device (not shown) is provided with one end of a brake wire 64 connected to the brake pedal 63 through a long hole and the other end provided in the traveling mission case 31. ). The brake pedal 63 is linked to the left and right side clutch devices 36 and 36 (shown in FIG. 9) via a clutch wire 65. Thus, when the brake pedal 63 is depressed, the brake device (not shown) is braked after the left and right side clutch devices 36, 36 are turned off.

  Further, a pedal linkage wire 66 is attached to the HST lever 61 so that the locking arm 66a can be operated. When the HST lever 61 is operated to the neutral position 62a, the brake pedal 63 in the depressed position is moved to the linkage arm 62a. Is configured to be locked.

  According to the above configuration, when the brake pedal 63 is depressed, the left and right side clutch devices 36 and 36 are disconnected, and then the brake device (not shown) is braked. Next, when the HST lever 61 is operated to the neutral position 62a, the linkage arm 62a engages the brake pedal 63 in the depressed position, and the brake pedal 63 is fixed. Therefore, it is possible to reliably stop the combine even on an inclined land.

  In this state, when a reaping clutch operating tool (not shown) is operated and the reaping clutch mechanism 42 is connected to the clutch shaft 43, power is supplied to the feed chain of the reaping conveyance section 7 and the threshing section 5 while the traveling vehicle body 1 is stopped. It is possible to convey the already harvested cereal meal in the chopping and conveying unit 7 to the threshing unit 5.

  Further, when the HST lever 61 is operated from the neutral position 62c to the linkage release position 62d, the linkage arm 62a is detached from the brake pedal 63, the brake pedal 63 is returned and rotated by a spring, and braking of the brake device is released. The left and right side clutch devices 36, 36 return to the on state.

Combine side view Overall plan view of combine Plan view of control section Side view of the control section Front view of control section Step floor bottom view, side view Perspective view of step frame and step floor Step floor plan, side view, rear view Unfolding cut front view and side view of traveling mission case Perspective view, plan view, front view of operating device

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Traveling vehicle body 3 Control part 21 Step floor 21b Surrounding recessed part 22 Step frame 22a Left and right plate frame body 22b Bottom plate 22c Frame frame body (frame pipe)
23 battery

Claims (1)

  The step frame (22) of the control unit (3) provided on the traveling vehicle body (1) is divided into left and right plate frame bodies (22a, 22a), a left plate frame body (22a), and a right plate. The frame (22a) is connected to the left and right frame frames (22c) and a bottom plate (22b) to form a quadrilateral frame in a plan view with the top open, and the upper portion of the step frame (22). A step floor (21) having a quadrilateral plan view made of a synthetic resin material is detachably provided so as to cover the open portion, and a front locking recess (21f) is provided at a front lower portion of the step floor (21). A surrounding recess (21b) opened downward is provided on the rear side of the stop recess (21f), a battery mounting portion is provided on the front side of the bottom plate (22b) of the step frame (21), and the battery mounting portion With battery (23) placed on When the front locking recess (21f) of the step floor (21) is engaged with the frame frame (22c) and the step floor (21) is mounted on the upper part of the step frame (22), the battery (23) The front and rear side surfaces and the left and right side surfaces of the surrounding recess (21b) of the step floor (21) and the lower surface of the step floor (21) approach the upper side of the step floor (21), and the movement of the battery (23) is regulated by the step floor (21). A control structure of a vehicle characterized by having a configuration.

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