JPS60754Y2 - Airframe structure behind the engine in a combine harvester - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a fuselage structure behind an engine in a combine harvester.

In other words, the exhaust air flowing out from the engine behind the driver's seat can be effectively guided and discharged to the rear of the machine without being blown out to the front reaping side, and it is also possible to prevent hot air from blowing up and noise from reaching the driver's seat. The present invention is provided so that wind can be properly exhausted without affecting the driver's seat, the threshing section, and the paddy receiving section, and can be carried out suitably.

Next, the embodiment shown in the drawings will be described.

FIG. 1 shows a perspective view of the entire combine harvester, in which a reaping section 8 is installed at the front left side of the machine body supported by a track-type traveling body 7, and behind the reaping section 8, a handling trunk 9, A threshing section A is installed which is equipped with a foot chain 10, a straw discharging cheno 11, a gear box 12, etc. in the same manner as the conventional structure.
A recess 3 with an inclined upper surface 3a is formed in the inner lower part of the recess 3 for installing a swinging sorter or a sorting part, as in the conventional structure, and an outlet 13 of a suction dust extractor is extended at the rear. The structure is such that power is transmitted from a transmission pulley 14 located on the right side above the front part of the threshing section A to a gear box 12 via a transmission shaft 15.

A control column 17 with a group of control levers 18 mounted on its upper surface 17' is installed above the front of the driver's cab 16 installed at the front right side of the aircraft, and a clutch pedal 1 is installed at the lower left side of the control column 17.
9 is arranged and configured.

The engine E is mounted behind the driver's cab 16, and the starter part 20, which is the cooling air intake side of the engine E, is directed toward the outer right side of the aircraft, and the left side part 21 of the engine E, which is the cooling air exhaust side, is mounted. , the exhaust air flows through the recess 3 at the front of the threshing section A and the upwardly inclined surface 3.
The starting grip 20' of the starter part 20 is connected to the driver's cab 16 at the front right side of the engine E, so that the direction flows out in the direction a, and the starting grip 20' of the starter part 20 is placed at a distance on the right side of the front part of the threshing section A.
Installed above, muffler 2 at the right rear of engine E
2 and an air cleaner 4 at the rear upper part of the left side are partitioned by a muffler cover/partition plate 23.

Further, a hydraulic pump 24 driven by an input pulley 24' is installed above the air cleaner 4, and a cover D covers the upper part of the engine E including the muffler 22 and the air cleaner 4. It has a box-shaped structure with the left side 21 side of the engine E open and the top and front and rear surfaces made of plates, and a ventilation net 25 is stretched over the intake side surface which is the starter part 20 side of the engine E. , attach the rear part of the cover D to the bracket 26 on the hinge 27.
The front lower part of the cover D is attached to the driver's cab 16 via a hook 29 by a lever 28, and the driver's seat 1 is attached to the upper front part of the waist cover D via a support 30. Install and configure.

A belt 32 is passed around from an engine pulley 31 protruding from the left side 21 of the engine E to the transmission pulley 14 located above the front side, so that power can be transmitted by a clutch pulley 33 in a freely disconnectable manner. The extending cover 34 covers these pulleys and is configured to be able to guide the exhaust gas from the engine E rearward so as not to be blown out forward by the cover 34.

In addition, a transparent resin fuel tank 2 is installed in the upper part of the air cleaner 4 between the engine E side and the threshing part A side. The lower part of the fuel tank 2 is fitted and installed, and the fuel tank 2 is removed from above the air cleaner 4 and is positioned at the upper part rearward from the exhaust side of the engine E so as to be connected to the rear of the cover 34. Install.

A paddy receiving section B for placing paddy bags is installed behind the engine E and the cover D. A support rod 36 for supporting the paddy bags is extended above the paddy receiving section B, and a threshing section A A paddy discharge part 37 extending from the side is visible above the paddy receiving part B, and a cover 5 standing on the inner side of the paddy receiving part B and the inner part of the threshing part A is provided with a paddy discharge part 37 extending from the side facing backward. The exhaust gas discharged from the left side 21 of the engine E is prevented from flowing toward the front reaping section 8 by the cover 34, and the slope 3a of the recess 3 is formed in the threshing section A. While being guided by the flow, the fuel tank 2
It is configured so that the air flows from below into the exhaust passage C and flows out to the rear.

Further, the front part 5a of the upright cover 5 is bent so as to cover the rear of the air cleaner 4 and the hydraulic pump 24, and a ventilation cord part 6 is stretched over the front part 5a. Air flowing through the rope portion 6 is connected to the fuel tank 2.
It is configured so that it flows into the air cleaner 4.

Therefore, when working on the combine harvester, an operator sits in the driver's seat 1 and drives the combine harvester, and the transmission pulley 14 transmits power from the engine pulley 31 of the engine E via the belt 32.
drives the threshing section A, and the paddy receiving section B can receive the paddy using a paddy bag.

In this state, the air flowing from the rope part 6 of the cover 5 cools the fuel tank 2 and flows into the air cleaner 4, and inside the cover D, the flow of hot air can be blocked by the partition plate 23.

Cooling air from the engine E flows in through the ventilation network 25 of the cover D, and when the exhaust air from the cooling air is discharged from the left side 21 of the engine E, it flows into the inclined surface 3a of the recess 3 as shown by the arrow in FIG. The cover 34 prevents the air from blowing out toward the reaping section 8 or the driver's seat 1 side, while being guided by the slope 3a, flowing below the fuel tank 2, flowing into the exhaust passage C, and flowing backward. leaks into

In addition, even if there is an oil leak from the fuel tank 2 or an oil spill during refueling, there is a large amount of relatively low-temperature air called the cooling exhaust air flowing below the fuel tank 2, so that the fuel or its vapor will not flow into the engine body. It is possible to prevent fires by separating them and preventing them from coming close to the fire.

The engine can be started by pulling the grip 20', and the cover D can be opened and closed about the hinge 27.

In this way, the present invention has a driver's seat 1 installed on the front side of the aircraft.
An engine E is mounted below or at the rear with the cooling air exhaust side of the engine E facing the side of the threshing section A, and a fuel tank 2 is installed between the upper part of the engine E and the side of the threshing section A. However, between the engine E and the side of the paddy receiving part B and the threshing part A behind the engine E, there is an air exhaust passage that can exhaust air from the exhaust side of the engine E toward the rear of the machine body due to the fuel tank 2 and the cover attached. Since the fuel tank 2 is configured to form a part C, the fuel tank 2 can also be used as a part of the safety cover, and the cooling air discharged from the engine E can be passed through the exhaust passage C without being blown out to the reaping side or the driver's seat side. The exhaust can be guided and discharged to the rear of the aircraft in a good manner, preventing hot air from blowing up and making noise on the driver's seat 1 side, allowing for comfortable operation, and ensuring that there is no backflow of exhaust air due to the effects of natural wind. The back pressure of the cooling air can be lowered, good engine performance can be maintained, the air can be discharged well without affecting the threshing section A and the paddy receiving section B, and the structure can be suitably implemented with a simple structure.

[BRIEF DESCRIPTION OF THE DRAWINGS] The drawings show an embodiment of the present invention, and FIG. 1 is a perspective view of a combine harvester, FIG. 2 is a schematic plan view of the main parts, and FIG. Figure 4 is a side view of the engine part, Figure 5 is the
Figure 6 is a side view of the state in which the fuel tank etc. are installed, Figure 6 is a partially cutaway plan view of the main part, Figure 7 is a cross-sectional plan view of Figure 6, and Figure 8 is a rear view of the main part. , FIG. 9 is a cross-sectional rear view. 1... Driver's seat, 2... Fuel tank, A
... Song threshing section, B ... Paddy receiving section, C ... Condolence [wind route, E ... Song engine.

Claims (1)

[Scope of utility model registration request] An engine E is mounted below or behind the driver's seat 1 installed on the front side of the machine, with the cooling air exhaust side of the engine E facing the side of the threshing section A. A fuel tank 2 is installed between the engine E and the side of the threshing section A, and the fuel tank 2 and the cover are attached between the engine E and the paddy receiving section behind the engine E and the side of the threshing section A. A fuselage device behind an engine in a combine harvester, characterized in that it is configured by forming an air exhaust path C that can exhaust air toward the rear.