JP2010051228A - Combined harvester and thresher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To shield high heat of an exhaust pipe of an engine and to enhance safety of grain sheaves taking-out work in a combined harvester and thresher provided with a hopper type grain sheaves taking-out part. <P>SOLUTION: A sorting wind suction cover (16) of a fanning mill is provided on a right side part of a threshing sorting part (5), and a fanning mill wind amount adjustment lever (17) is provided near the sorting wind suction cover (16). A muffler (11) is arranged at a left side upper part of the engine (E), an exhaust pipe (12a) at a starting end side of the exhaust pipe (12) is downwardly extended from the muffler (11), and the exhaust pipe (12b) at a terminal end side is passed through a space between a grain sheaves taking-out part (4) and a threshing sorting part (5) and is rearwardly extended from the exhaust pipe (12a) at the starting end side. Covers (15, 15a) for covering a rear side part of the muffler (11), right side part and the rear side part of the exhaust pipe (12a) at the starting end side and a right side part of the exhaust pipe (12b) at the terminal end side are mounted to left side parts of a rear part operation frame (10) provided behind the engine (E). <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a combine.

  In the combine, in the right part of the traveling chassis, a steering part, an engine, a hopper type grain extraction part are arranged from the front side part to the rear side part, and a threshing selection part is arranged on the left side part in Patent Document 1. It is known as an example.

Further, as shown in FIG. 7, a muffler a is disposed at the upper left side of the engine, a start end side exhaust pipe b of the exhaust pipe is extended downward from the muffler a, and then the end side exhaust pipe c is connected to the grain extraction portion. It is well known that the exhaust system extends between the threshing and the threshing sorting part and exhausts it, and the right side of the muffler a, the start side exhaust pipe b, and the end side exhaust pipe c is covered with a cover d.
JP 2005-199807 A

  In the combine as in the background art, the right side of the engine muffler a, the start end side exhaust pipe b and the end side exhaust pipe c is covered with a cover d, and the threshing selection part of the threshing selection part is left side of the end side exhaust pipe c. If the air intake cover and the airflow adjustment lever are provided, there is a problem that the exhaust pipe is burned when the airflow adjustment lever is adjusted. Moreover, such a malfunction can be eliminated by covering the entire circumference of the exhaust pipe with a cover. However, there is a new problem that the intake amount of the sorting air intake cover of Karatsu is insufficient.

  Therefore, the present invention intends to solve both of the problems such as burns caused by the exhaust pipe during the adjustment operation of the tang air volume adjusting lever, and the problem that the tang tang air intake amount is insufficient.

  According to the first aspect of the present invention, on the right side portion of the traveling chassis (1), from the front side portion to the rear side portion, the control portion (3), the engine (E), the hopper type grain takeout portion (4), A threshing sorting part (5) is provided on the left side of the traveling chassis (1), and a tang sorting air intake cover (16) is provided on the right side of the threshing sorting part (5). A tang air volume adjusting lever (17) is provided in the vicinity of (16), a muffler (11) is disposed on the upper left side of the engine (E), and an exhaust pipe on the start end side of the exhaust pipe (12) from the muffler (11). (12a) is extended downward, and the end-side exhaust pipe (12b) is provided from the start-end side exhaust pipe (12a) to extend backward between the grain extraction part (4) and the threshing selection part (5), The rear side of the muffler (11) and the right side and rear side of the start end side exhaust pipe (12a) And a cover (15, 15a) covering the right side of the end side exhaust pipe (12b) is attached to the left side of the rear control frame (10) provided behind the engine (E). To combine.

  According to this configuration, the cover (15, 15a) allows the rear side of the muffler (11), the right side and the rear side of the start end side exhaust pipe (12a) of the exhaust pipe (12), and the end side exhaust pipe ( Since the right side of 12b) is covered, the worker working in the grain takeout part (4) is not burned by the exhaust pipe (12), and the grain in the grain takeout part (4) The take-out operation and the adjustment operation of the tang air volume adjustment lever (17) can be performed.

  According to the second aspect of the present invention, one end of the stay (18) is attached to the left end of the cover (15, 15a) in a surface-joined state, and the other end of the stay (18) is connected to the sorting wind intake cover (16). The combine according to claim 1, wherein the combine is attached in a surface-bonded state.

  According to this configuration, in addition to the above-described operation, the cover (15, 15a) is configured to be long in the left-right direction, and both ends of the stay (18) are connected to the left end of the cover (15, 15a) and the sorting wind intake cover (16). ) In a surface-bonded state, so that the cover (15, 15a) can be attached without chattering, and the threshing of the threshing selection part (5) is weakened by the cover (15, 15a), The vibration to the rear control frame (10) can be reduced.

  The invention according to claim 3 is characterized in that a cut-off open portion (15b) is formed at a portion of the cover (15, 15a) facing the sorted air intake cover (16) at the left end. The combine according to claim 1 or 2.

  According to this configuration, in addition to the above-described operation, the cover (15, 15a) includes the cut open portion (15b), so that the space where the wind flows in the front-rear direction on the right side of the selected wind intake cover (16). A portion is formed, and the intake air amount of the selected wind intake cover (16) can be increased.

  According to the invention described in claim 1, the worker working in the grain take-out part (4) is not burned by the exhaust pipe (12), and the grain take-out work in the grain take-out part (4) It is possible to adjust the tang air volume adjusting lever (17), and to improve the safety of the work.

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the chatter of the cover (15, 15a) is eliminated, and the threshing of the threshing sorting portion (5) is long in the left-right direction (15 , 15a), and the influence of vibration on the rear steering frame (10) can be reduced.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 1 or 2, the flow of wind in the front-rear direction on the right side of the selected wind intake cover (16) is made smooth, and the selected wind intake cover ( The amount of intake air of 16) is increased, and the harvesting operation can be performed efficiently by securing a sufficient amount of the selection air flow of the tang of the threshing selection section (5).

First, the overall structure of a combine equipped with the present invention will be described with reference to FIGS. 1 is a side view of the combine, FIG. 2 is a plan view, and FIG. 3 is a rear view.
The left and right traveling crawlers 2 and 2 are disposed below the combine traveling chassis 1, and the control unit 3, the engine E, and the grain extraction unit 4 are disposed on the right side of the traveling chassis 1 from the front side to the rear side. The threshing sorting unit 5 is provided on the left side, and the cutting and conveying unit 6 is provided on the front side of the traveling chassis 1 so as to be movable up and down.

  Further, as shown in FIGS. 4 and 5, the steering unit 3 is provided with the right front portion of the traveling chassis 1 as the steering mounting portion 1a, and the engine E is mounted with the rear as the engine mounting portion 1b. The grain extraction part 4 is provided as the grain extraction mounting part 1c, and the threshing selection part 5 is mounted with the left part as the threshing mounting part 1d.

  A muffler 11 is arranged on the upper left side of the engine E, and a start end side exhaust pipe 12a of the exhaust pipe 12 is extended downward from the muffler 11, and then the end side exhaust pipe 12b is connected to the grain extraction mounting part 1c and the threshing. It is configured to extend rearward through the interval portion of the mounting portion 1d and to exhaust backward. In addition, air is supplied to the engine E from the air cleaner 13 disposed on the upper front side of the threshing sorting unit 5 through the intake pipe 14.

  The front side of the engine E is covered with the rear cover 3a of the control unit 3, and the rear control frame 10 of the control unit 3 is disposed on the rear side of the engine E along the left-right direction in plan view. Also, a cover 15 is attached to the left end of the rear control frame 10, the cover 15 extends to the left and extends to the right end of the threshing sorting unit 5, and the exhaust pipe on the start end along the muffler 11 and the vertical direction. The rear side of 12a is covered. Then, the left end of the cover 15 is detachably attached with bolts and nuts via a stay 18 to a selection wind intake cover 16 of tang (not shown) in the threshing selection section 5, and the exhaust pipe 12 is terminated along the front-rear direction. The side exhaust pipe 12 b extends rearward through the lower side of the sorting wind intake cover 16.

  Further, a tang air volume adjusting lever 17 is provided in the vicinity of the selected wind intake cover 16 of the threshing wind selector 5. A rear cover 15a is attached to the lower right end of the cover 15 so as to extend rearward, and the rear cover 15a covers the upper right side of the end side exhaust pipe 12b and the tang air volume adjustment lever 17.

  According to the said structure, since the grain extraction part 4 side of the muffler 11 and the exhaust pipe 12 is coat | covered with the cover 15 and the rear cover 15a, it is safe without an operator being burned, and the grain extraction part 4, the operation of attaching and detaching the grain bag and the adjusting operation of the tang air volume adjusting lever 17 can be performed safely.

  A cover 15 is attached to the left end portion of the rear control frame 10, and the left end portion of the cover 15 is extended to the threshing sorting portion 5 side through the muffler 11 and the rear end portion of the start side exhaust pipe 12a along the vertical direction. Since the cover 15 is configured to be long in the left-right direction, the vibration of the threshing selection unit 5 can be weakened by the cover 15 and the influence of the vibration on the rear control frame 10 can be reduced.

  Further, when attaching the left end of the cover 15 to the Kara sorting air intake cover 16 in the threshing selection section 5, the front bent portion 18 a of the stay 18 is fixed to the left end of the cover 15 with a bolt and a nut in a face-joined state. Since the rear side portion of the stay 18 is fixed to the upper surface portion of the sorting wind intake cover 16 with bolts and nuts, the chatter of the cover 15 can be eliminated. Further, if the mounting hole of the stay 18 to the sorting wind intake cover 16 and the mounting hole to the cover 15 are configured as fools or long holes, mounting adjustment becomes easy.

  In addition, a notch opening 15b is formed in the vicinity of the sorting wind intake cover 16 at the left end of the cover 15, and the wind flow in the front-rear direction on the right side of the sorting wind intake cover 16 is smoothed. It is possible to secure a sufficient amount of sorting air.

Next, the grain extraction unit 4 will be described with reference to FIGS. 1 and 2.
In the grain extraction frame 21 raised from the grain extraction mounting part 1c of the traveling chassis 1, an extraction hopper 22 that is long in the front-rear direction is arranged from the left and right center, and the first grain of the threshing selection part 5 is 1 It is comprised so that it may take out to the extraction hopper 22 with the brewing machine 20. The bottom of the take-out hopper 22 is provided with a transfer spiral so that the grains can be transferred from the front side to the back side, and the right side of the take-out hopper 22 is provided with front, middle, and rear side grain take-out ports 23. A bag holder 24 made of a pair of left and right support bars is provided opposite to the outlets 23.

  Further, an extraction floor 25 is provided on the grain extraction mounting portion 1c of the traveling chassis 1, and an auxiliary floor 25a that protrudes to the right side or can be stored inside is provided on the right side of the mounting floor 25, so that an auxiliary operator can It is possible to board the mounting floor 25 and the auxiliary floor 25a. A backrest device 26 for auxiliary workers is provided above the right side of the take-out floor 25.

  As shown in FIG. 8, the backrest device 26 includes a support pipe 26a that is bent in an L shape in plan view, and a back plate 26b that is attached to a portion along the front-rear direction of the support pipe 26a. A rear base portion along the left-right direction of the support pipe 26a is pivotally supported by the grain take-out frame 21 with a pin 26c in the left-right direction. The backrest plate 26 b along the front-rear direction of the support pipe 26 a can be changed to a backrest state in which the backrest plate 26 b protrudes and rotates to the right side, and a storage state in which the backrest plate 26 b rotates to the left and right inside and is positioned above the take-out hopper 22. Accordingly, the auxiliary worker on the take-out floor 25 is seated on the back plate 26b that protrudes and rotates to the right, and faces the inside of the take-out hopper 22, and the front, middle, and rear grain outlets 23, While opening and closing ..., take the grain into the grain bag.

Next, another embodiment of the backrest device 26 for the auxiliary worker will be described with reference to FIG.
The backrest device 26 includes a support pipe 26a that is bent in an L shape in plan view, and a back plate 26b that is long in the front-rear direction and attached to a portion along the front-rear direction of the support pipe 26a. And this back plate 26b is comprised in the cross-sectional fan shape, and the long pipe 26e in the front-back direction is adhering to the sector shape center part. The pipe 26e is fitted and attached to the portion of the support pipe 26a along the front-rear direction from the outside, the pipe 26e is slidable in the front-rear direction, and is supported so as to be rotatable about the axis. The mounting bolt 26d can be fixed at a predetermined position in the front-rear direction and at a predetermined rotational position. A cushion material 27 is attached to the fan-shaped outer peripheral surface of the back plate 26b.

According to the above configuration, the back plate 26b can be moved and adjusted in the preferred front-rear direction, the backrest position can be rotated up and down, and the grain can be taken out in an easy posture.
Next, another embodiment of the backrest device 26 will be described with reference to FIG.

  The backrest device 26 includes a support pipe 26a that is bent in an L shape in plan view, and a back plate 26b that is long in the front-rear direction and attached to a portion along the front-rear direction of the support pipe 26a. A pipe 26e is attached to the back surface of the flat back plate 26b along the front-rear direction. The diameter of the pipe 26e is larger than the diameter of the support pipe 26a, and the back plate is placed on the outer periphery of the support pipe 26a. A pipe 26e on the 26b side is fitted, and it can be adjusted in the front-rear direction by a take-off bolt 26d, and can be rotated around the axis of the pipe 26e. According to the above-described configuration, the back plate 26b is adjusted in the front-rear direction with respect to the support pipe 26a, and the back plate 26b is adjusted to rotate, so that it corresponds to one person's work or two-person work of an auxiliary worker, It can be adjusted to your height.

  Moreover, you may comprise the cushion material 27 stuck on the fan-shaped outer peripheral surface of the backplate 26b as shown in FIG. The cushion material 27 that is long in the front-rear direction is divided in the left-right direction to form divided cushion materials 27a,..., And the divided cushion materials 27a,. If comprised in this way, the bias | inclination of the up-down direction of cushion material 27a and ... can be prevented, and durability of the backrest apparatus 26 can be improved.

The side view of a combine. The top view of a combine. The rear view of a combine. The side view which mounted the engine in the chassis part of the combine. The top view which mounted the engine in the chassis part of the combine. The perspective view of a threshing selection part and an engine rear part. The perspective view of the threshing selection part and engine rear part of a conventional apparatus. The perspective view of a backrest apparatus. The side view and front view of a backrest apparatus. The top view of a backrest apparatus. The side view, front view, and cutting | disconnection front view of a backrest apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Running chassis 3 Control part 4 Hopper type grain extraction part 5 Threshing sorting part 10 Rear control frame 11 Muffler 12 Exhaust pipe 12a Start side exhaust pipe 12b End side exhaust pipe 15 Cover 15a Rear part cover 15b Opening part 16 Sorting wind intake cover 17 Chinese style air volume adjustment lever 18 Stay E Engine

Claims (3)

  On the right side of the traveling chassis (1), a control section (3), an engine (E), and a hopper type grain take-out section (4) are provided from the front side to the rear side, and the traveling chassis (1) Is provided with a threshing and sorting unit (5) on the left side thereof, a tangled sorting air intake cover (16) is provided on the right side of the threshing and sorting unit (5), and the amount of tangled airflow in the vicinity of the sorted wind intake cover (16). An adjustment lever (17) is provided, and a muffler (11) is arranged on the upper left side of the engine (E). The exhaust pipe (12a) of the exhaust pipe (12) extends downward from the muffler (11). The rear exhaust pipe (12b) extends from the start end exhaust pipe (12a) to the rear through the grain take-out section (4) and the threshing selection section (5), and is located behind the muffler (11). And the right and rear sides of the start end side exhaust pipe (12a) and the end side exhaust pipe. A cover covering the right side of (12b) (15,15a), characterized in that mounted on the left side of the rear steering frame provided behind the engine (E) (10) combine.   One end of the stay (18) is attached to the left end of the cover (15, 15a) in a surface-bonded state, and the other end of the stay (18) is attached to the sorting air intake cover (16) in a surface-bonded state. The combine according to claim 1.   The combine according to claim 1 or 2, wherein a cut open part (15b) is formed at a portion of the cover (15, 15a) facing the sorted air intake cover (16) at the left end. .

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