JPH10276533A - Engine gas exhausting device of combine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the falling of straw waste, dust, etc., to a tail pipe under the vehicle base of a combine. SOLUTION: This combine arranges a thresher 4 receiving reaped straws carried from a reaper on a front side and thresh-selecting them at one side part on a vehicle base 2 with a crawler traveling device and an engine, a maneuvering seat 6 and a grain tank housing threshed and selected grains. The tail pipe 8 guiding the exhausting gas of an engine is provided by making along the lower side of a center frame 9 extending in a forward and backward direction under the center of the vehicle base 2 and positioning on the inner and lower side than the deep side wall 10 of the thresher 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an engine exhaust system for a combine, and more particularly, to preventing straw chips, dust and the like generated by a threshing device or the like on a chassis from falling onto a tail pipe below the chassis.

[0002]

In a configuration in which a tail pipe for engine exhaust is provided below the undercarriage of the combine, straw dust and dust generated by an upper threshing device and the like are liable to fall on the tail pipe, thereby causing a fire. Cause. For this reason, a muffler cover is provided between the chassis and the tail pipe, but this is not sufficient. If the vertical interval is set high, the tail pipe must be lowered to a lower position, and the ground clearance cannot be maintained sufficiently.

[0003]

SUMMARY OF THE INVENTION According to the present invention, threshing is carried out on one side of a chassis 2 having a crawler traveling device 1 in which threshing and culling conveyed from a cutting device 3 on the front side are supplied and threshing is performed. Device 4 and, on the other side, engine 5, cockpit 6,
In a combine in which a Glen tank 7 accommodating threshing and sorting kernels is arranged, a tail pipe 8 for guiding exhaust of the engine 5 is arranged along a lower side of a center frame 9 extending in a front-rear direction at a lower center of the chassis 2. The engine exhaust device is provided below the inner side wall surface 10 of the threshing device 4.

[0004]

The components of the combine are transmitted by the driving of the engine 5, and the engine exhaust is performed from the exhaust pipe to the rear of the center of the chassis 2 via the tail pipe 8. A center frame 9, which is a part of the vehicle body 2, is located above the tail pipe 8 along the lower side of the chassis 2, and a threshing device 4 is mounted on the center frame 9 so as to cover them. Therefore, even if there are straw chips and dust falling along the inner wall surface 10 of the threshing device 4, the straw chips and the like are guided to the outside of the tail pipe 8 along the inner wall surface 10 and It is difficult to accumulate on the center frame 9 and the tail pipe 8 and a fire is eliminated. The configuration can be simplified depending on the position of the center frame 9, the tail pipe 8, and the like.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A combine is provided on a chassis 2 having a pair of right and left crawler traveling devices 1 on one side of a front side of which a reaper 3 is supported so as to be able to move up and down. The cabin 11 to be covered is mounted, and the engine 5 is mounted below the cockpit 6. A threshing device 4 is mounted on the rear side of the reaping device 3, and the culm conveying device 12 of the reaping device 3 is mounted.
While the culm conveyed by this is clamped between the feed chain 13 and the clamping rod 14 and conveyed rearward, the ears are supplied to the threshing chamber 16 on which the handling cylinder 15 is mounted, and threshed. Is sorted in the sorting room 17. The undercarriage 2 of the threshing device 4
A grain tank 7 is mounted on the top, and can accommodate grains that are threshed by the threshing device 4 and are taken out by a grain-lifting machine, and a delivery spiral 18 along the front-rear direction is provided at the bottom of the grain tank 7. A vertical auger 19 is communicated to the rear end of the discharge gutter, and a horizontal auger 20 is communicatively connected to the upper end of the vertical auger 19 to position the discharge port 21 at the tip. Thus, the harvested grains stored in the Glen tank 7 can be taken out of the machine.

The chassis 2 is composed of a vertical frame 22 extending in the front-rear direction and a horizontal frame 23 extending in the left-right direction. The tail pipe 8 is attached to the vertical frame located at the center of the chassis 2, that is, of the center frame 9. Along the lower side, a mounting bracket 24 fixed to one side of the tail pipe 8 is fastened and fixed to a side surface of the center frame 9 with a bolt 25. Such a tail pipe 8 is located substantially at the center between the left and right crawler traveling devices 1. The engine 5 to which the tail pipe 8 is connected is located on one front side of the chassis 2 and is connected via an exhaust pipe 26.

Reference numeral 27 denotes a bracket for supporting the crawler frame. An axle housing having a sprocket shaft protruding left and right from the transmission case is connected to the front end. The engine 5 has an exhaust pipe 26 disposed inside the chassis 2 so as to descend. A radiator 28, a radiator fan 29, and the like are disposed outside the engine 5, and the outside of the engine 5 is covered with an engine cover 30 having an intake network. . The cockpit 6 is provided on a seat floor 31 that covers the upper side of the engine 5 integrally with the engine cover 30.

The threshing device 4 has a handle drum 15 and a shaft 3
2, and a threshing room 16 in which the processing drum shaft 33 and the like are mounted,
In the lower part, there is provided a sorting chamber 17 in which a swinging sorting shelf, a sorting tray, a spiral for taking out the first thing, the second thing and the like are arranged, and is integrated, and the inner side wall surface 10 of the threshing device 4, that is, the feed chain The machine body wall on the side opposite to the side of the grain stalk transfer port 34 provided with the thirteen, the clamping rod 14 and the like is located above the engine 5 to the Glen tank 7 above the upper surface of the tail pipe 8. Be composed. The back wall surface 10 of this threshing device
In the most protruding part, it is only necessary to be positioned so as to cover and cover the side of the tail pipe 8 laterally, and only the sorting room 17 at the lower part of the threshing device 4 retreats without being covered by the upper part of the tail pipe 8. It may be a configuration.

As described above, the rear side wall surface 10 of the threshing device 4
Is configured to project laterally beyond the tail pipe 8 and the center frame 9 and the like immediately below, so that straw debris and dust falling from the upper part of the threshing device 4 descend A on the outer side of the inner side wall surface 10. It is less likely to fall on the running ground and accumulate on the upper part of the tail pipe 8, and there is no overheating or burning.

[0010] At the bottom of the sorting chamber 17 is provided a first spiral for taking out the first thing to the Glen tank 7 side. Although it becomes a form protruding further to the Glen tank 7 side than the back side wall surface 10, only the projecting posture of the grain raising machine toward the Glen tank 7 side than the tail pipe 8 causes dust on the tail pipe 8. Prevention of falling is not enough.

The reaping device 3 has a reaping support shaft 37 at the rear end of a reaping frame 36 supported on a support bracket 35 erected on the chassis 2 in front of the threshing device 4. Counter cases 38 and 39 having a transmission mechanism are mounted on the support bracket 35, and a main counter shaft 42 at a rear portion is driven from an engine pulley 40 of the engine 5 via a belt 41. While the threshing counter shaft 44 is transmitted from the shaft 42 by the belt 43,
Air compressor 46 for cabin 11 with belt 45
Is transmitted, and the delivery spiral 18 of the Glen tank 7 is transmitted via the belt 47. Further, from the threshing counter shaft 44, the handling cylinder shaft 32 is transmitted via the processing cylinder shaft 33 via the belt 48 and further via the gear 49, and the belt 5
The feed chain 13 and the oscillating sorting shelf are transmitted through the belt 0, and the sorting karino is transmitted through the belt 51.

From the engine pulley 40, a continuously variable hydraulic transmission H, which is a main transmission at the front portion, is provided by a belt 52.
ST is transmitted, and the crawler traveling device 1 is transmitted via a transmission mechanism in the traveling transmission case 53. The power is transmitted from the reaping output shaft 54 of the transmission case 53 to the reaping input shaft 56 of the reaping frame 36 via a belt 55 to transmit each part of the reaping device. The engine pulley 40 is pulled back and forth by the belts 52 and 41 to be balanced.

The exhaust pipe 26 of the engine 5
Is a muffler 57 directly connected to the engine exhaust port 58.
Are connected by a connecting tool 59 to simplify the configuration. or,
The muffler 57 is fixed to a mounting stay 61 mounted on a side end of the cylinder head cover 60 of the engine 5 by bolting or the like. Brackets 62 are attached to the front and rear side surfaces of the lower portion of the engine 5 body, and are supported on the chassis 2 with a vibration-isolating rubber 64 interposed on a fixed support bracket 63. The exhaust pipe 26 connected to the muffler 57 is attached via a stay 65 integrally attached to the bracket 62.

FIG. 8 is different from the above example in that a push cylinder 66 for disengaging a side clutch, a shifter shaft 67, a shifter arm 68, and a shifter 66 are provided on the front surface of the traveling transmission case 53. A wire rod 72 and the like of a parking brake wire 71 interlocked with the pin 69 and the elongated hole 70 from the shifter arm 68 are provided below. Thus, the protrusion of the shifter arm 67 and the wire rod 72 toward the front of the transmission case 53 is reduced so as not to obstruct the reaper 3. 74 is a drive sprocket and 75 is a crawler.

The push cylinder 66, the push rod 73, the shifter arm 68, the wire rod 72, and the like are configured as a pair of left and right sides so as to be connected to the left and right side clutches. And then apply the side brake. The parking brake wire 71 is manually pulled to allow the shifter arm 68 and the shifter shaft 67 to be pulled.
Can be rotated to maintain the state where the side brake is applied. At this time, the brake can be operated independently of the operation of the push rod 66 by the electromagnetic force or the hydraulic pressure.

[Brief description of the drawings]

FIG. 1 is a front view of a part of a combine.

FIG. 2 is a front sectional view and a perspective view of a part thereof.

FIG. 3 is a perspective view of a chassis.

FIG. 4 is a side view of the combine.

FIG. 5 is a transmission system diagram.

FIG. 6 is a partially exploded perspective view of an engine muffler.

FIG. 7 is a side view and a rear view of an engine muffler.

FIG. 8 is a front view and a side view of a traveling transmission case.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Crawler running device 2 Undercarriage 3 Cutting device 4 Threshing device 5 Engine 6 Cockpit 7 Glen tank 8 Tail pipe 9 Center frame 10 Back side wall surface

 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Hiroshi Nishizaki 1 Togashi-cho, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd.

Claims (1)

[Claims] 1. A threshing device 4 for threshing and sorting by receiving a supply of harvested culm conveyed from a front mowing device 3 is provided on one side of a chassis 2 having a crawler traveling device 1; In a combine in which an engine 5, a cockpit 6 and a Glen tank 7 containing threshing and sorting kernels are arranged, a tail pipe 8 for guiding exhaust of the engine 5 is connected to a center extending in the front-rear direction at the lower center of the chassis 2. An engine exhaust device provided along the lower side of the frame 9 and located inside and below the inner side wall surface 10 of the threshing device 4.