JPH10164959A - Combine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate inconvenience that the heat of a muffler is transmitted to an operation part and causes the decline of comfortability. SOLUTION: An engine is mounted to the lower position of the driving seat 11 of the operation part 8, a discharge route for discharging the exhaust of the engine 13 through a part between a threshing part and a grain tank 6 to the behind of a machine body in a plane view at the time of discharging the exhaust of the engine through the muffler 15 is formed and the muffler 15 interposed in the discharge route is arranged at a machine body rear part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of a combine in which an engine is mounted near an operation unit.

[0002]

Generally, a combine of this type has an operating section at the front of the traveling body and an engine mounted near the operating section (e.g., a space below the driver's seat). There is. However, in the related art, when exhausting the engine exhaust to the outside of the machine, a muffler is disposed in the vicinity of the engine, and the engine exhaust passing through the muffler is exhausted from a tail pipe facing downward to the body. However, the heat of the muffler could not be transmitted to the operation unit to cause a decrease in livability, and mud carried by the crawler could enter the tail pipe.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in order to provide a combine which can solve these problems in view of the above-mentioned circumstances. A threshing unit is disposed on one side of the traveling machine body having a grain tank disposed on the other side, and an engine is mounted near an operation unit in front of the grain tank. A discharge path for discharging the exhaust air from the thruster and the grain tank to the rear of the machine body in plan view, and a muffler provided in the discharge path is disposed at the rear of the machine body. . In other words, since the muffler is located at a position away from the operation unit, it is possible to eliminate the inconvenience of reducing the livability of the operation unit due to the heat of the muffler, and to utilize the space between the threshing unit and the grain tank. Outside of the fuselage (bottom of the fuselage, etc.)
As in the case where the discharge path is formed, the inconvenience that the muffler and the exhaust pipe are damaged by contact with an obstacle can be prevented.

[0004] In the above, the tail pipe for discharging the exhaust of the engine toward the rear of the fuselage is opened toward the running trace of the crawler running device. That is, it is possible to eliminate the inconvenience that the exhaust of the engine is directly applied to the crop and also eliminate the inconvenience that the mud carried by the crawler enters the tail pipe.

[0005]

Next, one embodiment of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 denotes a combine, and the combine 1 includes a pair of right and left crawler traveling devices 3 and traveling bodies 2 provided at the bottom of the traveling body 2.
A pre-processing unit 4 for cutting stems and stems in front of the plant, a threshing unit 5 for threshing the cut stems and selecting kernels, a grain tank 6 for storing sorted kernels, and a threshing drainage. The threshing unit 5 includes a post-processing unit 7 for discharging, an operation unit 8 provided with various operation tools, and the like. The operation unit 8 is arranged at the right front end of the traveling machine body 2, that is, at the front position of the grain tank 6.

The grains stored in the grain tank 6 are provided with a horizontal spiral (not shown) disposed at the bottom of the grain tank 6 so as to face forward and backward, and standing upright behind the grain tank 6. Although it is possible to carry out the machine via the vertical spiral cylinder 9 and the carry-out spiral cylinder 10 connected to the upper end of the vertical spiral cylinder 9, the grain tank 6 of the present embodiment is Since it is configured to be rotatable to the outside of the body with the horizontal spiral or vertical spiral cylinder 9 as a fulcrum, when performing maintenance on the center side of the fuselage such as the threshing unit 5, the kernel tank 6 is rotated to operate.
A work space for maintenance can be secured in the center of the machine.

The grain tank 6 is provided with a threshing unit 5.
Is arranged with a predetermined space S1 on the right side of
Since the bottom of the grain tank 6 at the center of the fuselage is formed on an inclined surface 6a for guiding the grains in the tank to the horizontal spiral side, the lower part of the space S1 is located below the inclined surface 6a on the right side. Is formed.

Reference numeral 11 denotes a driver's seat provided in the operation unit 8. An engine room 12 is formed below the driver's seat 11, and the crawler traveling device 3 and the pre-processing unit are provided in the engine room 12. 4. An engine 13 for supplying power to the threshing unit 5, the grain tank 6 (horizontal spiral), the post-processing unit 7, and the like is provided therein. The power transmission to the horizontal spiral is provided at the front end of the space S2. Gear case 14
Is to be done through.

Reference numeral 15 denotes a muffler for silencing exhaust of the engine 13. The muffler 15 is disposed in the middle of the space S2 so as to face forward and backward. The exhaust gas of the engine 13 is supplied to the muffler 15 via an exhaust pipe 16 provided between the threshing unit 5 and the grain tank 6 in a plan view, and the exhaust gas from the muffler 15 is supplied after the muffler 15. The air is discharged outside the machine via a tail pipe 17 extending rearward from the end. That is, a discharge path for discharging the exhaust of the engine 13 to the rear of the machine body through the threshing unit 5 and the grain tank 6 in a plan view is formed, and the muffler 1 provided in the discharge path.
5 is arranged at the rear of the machine, there is no inconvenience that the heat of the muffler 15 has an adverse effect on the operation unit 8, and the space S2 (S1) between the threshing unit 5 and the grain tank 6 is used. Since the exhaust path is formed, it is possible to prevent inconvenience that the muffler 15 and the exhaust pipe 16 are damaged due to contact with an obstacle, such as when an exhaust path is formed outside the body (the bottom of the body or the like). Has become.

The exhaust pipe 16 connected to the exhaust port of the engine 13 reaches the rear panel 12a of the engine room 12 via the upper part of the engine 13, and then extends along the rear panel 12a. The pipe is formed so as to hang down to the position and further reach the muffler 15 via the lower part of the gear case 14. That is, the exhaust pipe 16 of the present embodiment is arranged so as to detour below the gear case 14, but the lowest position of the exhaust pipe 16 is
Since it is set higher than the lower end position of the body frame 2a, contact with obstacles can be prevented as much as possible. Moreover, since the exhaust pipe 16 is not exposed to the spaces S1 and S2, the grain tank 6 is When performing a maintenance operation on the center side of the machine such as the threshing unit 5 by rotating the machine to the outside, it is possible to prevent a problem that an operator touches the exhaust pipe 16.

The tail pipe 17 discharges exhaust gas from the muffler 15 toward the rear of the fuselage. The rear end of the tail pipe 17 is arranged at a position higher than the fuselage frame 2a and has an opening. It is bent so as to face the traveling trace of the cut-side crawler traveling device 3. That is, it is possible not only to avoid the inconvenience that the engine exhaust is directly applied to the crop, but also to prevent the inconvenience that the mud carried by the crawler traveling device 3 enters the opening of the tail pipe 17.

Further, reference numeral 18 denotes a muffler cover provided in the space S2. The muffler cover 18 includes the muffler 15 and the tail pipe 1 provided in the space S2.
7 so as to cover it. For this reason, when rotating the grain tank 6 to the outside of the machine and maintaining the center of the machine such as the threshing unit 5, it is possible to prevent the inconvenience of the worker directly touching the muffler 15 and the tail pipe 17. It has become.

In the apparatus constructed as described above, the engine 13 is mounted below the driver's seat 11 of the operating section 8 and the exhaust of the engine 13 is discharged through the muffler 15 to the outside of the engine. A discharge path for discharging the exhaust gas from the threshing unit 5 and the grain tank 6 to the rear of the machine body in plan view, and a muffler 15 interposed in the discharge path is arranged at the rear of the machine body. Therefore, the inconvenience that the heat of the muffler 15 adversely affects the operation unit 8 can be eliminated, and the livability of the operation unit 8 can be improved.

Moreover, the exhaust path of the engine 13 (exhaust pipe 16, muffler 15, and tail pipe 17)
In the space S2 (S1) between the threshing unit 5 and the grain tank 6
Outside of the fuselage (bottom of the fuselage, etc.)
As in the case where the exhaust path is formed, the inconvenience that the muffler 15 and the exhaust pipe 16 are damaged by contact with an obstacle can be prevented.

In forming an exhaust path using the space between the threshing unit 5 and the grain tank 6, members such as the muffler 15 constituting the exhaust path are replaced by inclined surfaces 6a of the grain tank 6.
When the kernel tank 6 is rotated to the outside of the fuselage to maintain the center of the fuselage, the inconvenience of the muffler 15 or the like is avoided as much as possible because the kernel is disposed in the space S2 formed below. Further, since the muffler 15 and the tail pipe 17 are covered with the muffler cover 18, it is possible to prevent the worker from directly touching the muffler 15 and the tail pipe 17 during maintenance.

The exhaust pipe 16 is provided so as to detour below the gear case 14, but the lowermost position of the exhaust pipe 16 is set higher than the lower end position of the body frame 2a. And the exhaust pipe 1 can be provided in the spaces S1 and S2 as much as possible.
Since the 6 is not exposed, it is possible to prevent a problem that the operator touches the exhaust pipe 16 during maintenance.

The rear end of the tail pipe 17 has
While being arranged at a position higher than the body frame 2a,
Since the opening is bent so as to face the running trace of the crawler traveling device 3 on the cut ground, there is no inconvenience that the engine exhaust is directly applied to the crop, and the mud carried by the crawler traveling device 3 is a tail pipe. The inconvenience of entering the opening 17 can also be prevented.

[Brief description of the drawings]

FIG. 1 is a side view of a combine.

FIG. 2 is a side view of a main part of the above, seeing through the inside.

FIG. 3 is an enlarged side view of a main part of the above.

FIG. 4 is a plan view of a main part of the same.

FIG. 5 is a front view of the essential parts of the same.

FIG. 6 is an enlarged front view of a main part of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Combine 2 Traveling body 3 Crawler traveling device 5 Threshing part 6 Grain tank 8 Operation part 12 Engine room 13 Engine 15 Muffler 16 Exhaust pipe 17 Tail pipe S1 space S2 space

Claims (2)

[Claims] 1. A threshing unit is provided on one side of a traveling machine body having a pair of right and left crawler traveling devices, while a grain tank is provided on the other side, and further near a control unit in front of the grain tank. In a combine equipped with an engine, a discharge path for discharging the exhaust of the engine to the rear of the aircraft through a space between the threshing unit and the grain tank in a plan view is formed, and the discharge path is provided in the discharge path. Combine with a muffler located at the rear of the fuselage. 2. The combine as claimed in claim 1, wherein a tail pipe for discharging the exhaust of the engine toward the rear of the fuselage is opened toward a running trace of the crawler running device.