JP3177717B2 - Combine engine equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an engine device for driving various parts such as a traveling part of a combine and a cutting and threshing part.

[0002]

2. Description of the Related Art Conventionally, Japanese Utility Model Publication No. 62-72218
Place the radiator and cooling fan above the engine as shown.
There is a combine to provide .

[0003]

SUMMARY OF THE INVENTION The prior art described above is
A gin cooling fan and a radiator cooling fan are installed separately.
The outside air to the engine and the radiator above.
And cool the engine and radiator.
The radiator cooling fan is installed inside the gin room.
It is not possible to easily discharge warm air around the engine using
The exhaust opening of the engine room is formed large outside,
Engine noise that leaks into the
The cooling air discharge side of the engine and the radiator
To improve cooling and exhaust efficiency and simplify the exhaust structure
Is not easily achieved. In addition,
No. 9327, a radiator and a cooling fan
Bonne Tsu but bets are also allowed to cool technology provided inside, the radiator
Engine outside the lower front of the hood
Air from above the radiator to cool
The engine faces the cooling air duct that
The radiator cooling fan is installed separately from the engine.
It cannot be easily operated, and the soundproof structure of the engine cannot be easily obtained.
There is a problem such as not being done .

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a substantially
Form a closed engine room and house the engine inside,
Install a radiator storage case above the engine room
With the radiator and cooling fan installed inside,
Air inlet formed in the fan casing of the cooling fan,
An upper part of the engine room where an outside air intake port is provided at a bottom part,
The radiator storage case is in communication with the outside air suction port.
The engine using the cooling fan of the radiator.
Exhaust air from the engine room and improve the tightness of the engine room.
It can be easily raised to make the engine soundproof,
Introduce both warm and fresh air from the gin room to the cooling fan
The engine and radiator can be cooled and the engine and radiator
It eliminates the need for a separate air cooling structure for
It can easily simplify the top and exhaust structure, etc.
There is .

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective explanatory view of an engine unit, FIG. 2 is an overall side view of a combine, and FIG. 3 is a plan view of the combine unit, where (1) is a track frame on which a traveling crawler (2) is mounted,
(3) a machine frame erected on the track frame (1);
(4) A threshing unit in which a feed chain (5) is stretched to the left and a handling drum (6) and a processing drum (7) are built in, (8).
Is a cutting unit including a cutting blade (9) and a culm transport mechanism (10), (11) is a hydraulic cylinder that moves the cutting unit (8) up and down through a main frame (12), and (13) is a straw chain. (14) A straw processing unit that faces the end, (15) a grain tank that carries in the grains from the threshing unit (4) through a fryer (16), and (17) an operation operation unit (18). And a driver's seat (19), which is configured to continuously cut and thresh grain stems.

As shown in FIGS. 4 to 8, an engine (2) for driving the threshing unit (4), the reaping unit (8), etc.
0), but the engine radiator (21) for cooling the combustion chamber of the engine (20) disposed behind the grain tank is aft body by isolating vertically (15), d <br / An engine case (23) for accommodating the engine (20) in a substantially closed box-shaped engine room (22) that covers the entire engine (20) in a substantially closed manner is provided on the machine base (3). ,
A radiator cooling sirocco fan (24) that blows air to the radiator (21) to cool the radiator (21) is integrated with the radiator (21) and the engine case (2).
3) It is provided in the radiator cooling room (26) of the upper radiator storage case (25) so as to reduce the noise of the engine (20) and the radiator cooling fan (24).

Further, the engine (20) is a machine base (3)
And a radiator storage case (25) supported on the upper surface of the engine case (23) via a vibration isolating rubber (28) to support the engine (20).
The vibration noise of the cooling room (26) is prevented from being transmitted to the outside.

Further, an air passage casing (29) for guiding the cooling air from the sirocco fan (24) to the radiator (21) is provided between the fan casing (30) of the sirocco fan (24) and the radiator (21). The radiator (21) and each casing (29) (30)
These three members are integrally supported in the storage case (25) via vibration-proof rubber or the like to prevent the vibrations from being transmitted to the storage case (25).

Further, the fan casing (3)
Left and right air inlets (31a) and (3)
1b), a fan casing (30) through which air taken into the cooling room (26) from an outside air inlet (32) opened on the right outer wall of the storage case (25) is passed through the right inlet (31b). And left inlet (31a)
The air inlet (33a) of the air path guide (33) fixed to the left outer surface of the fan casing (30) so as to cover the inside of the fan casing (30) faces the engine room (22) below this, and the engine in the engine case (23) (20) the bottom of the oil pan (20a) outside air inlet port for opening the lower position than (34) d
Outside air ventilation to incorporate the engine room (22), is fed into the air passage guide (33) ventilating air passage formed in the (35) and the left inlet (31a) and through the fan casing (30), Air is blown to the rear radiator (21) to cool and radiate the air.
The exhaust air after cooling the radiator (21) is discharged downward through the airflow direction plate (36) on the rear side of the fuselage.

[0010] As is apparent from the above, a substantially closed end
Gin room (22) is formed and engine (20) is installed inside.
Radiator storage above the engine room (22)
A case (25) is provided to provide a radiator (21) and a cooling fan.
With a sirocco fan (24) inside,
The fan case of the cooling sirocco fan (24)
Air inlets (31a) (31)
b) said engine having an outside air inlet (34) at the bottom;
Room (22) upper part and the radiator storage case
(25) and communicate with the outside air suction port (32). So
Sirocco fan (2) for cooling the radiator (21)
Use 4) to discharge warm air from the engine room (22).
And make the engine room (22)
(20) and the engine room (2)
Sirocco fan (2) for cooling both warm air and outside air
4) Take the engine (20) and radiator (21)
The engine (20) and radiator (21)
Eliminates the need for a separate air cooling structure, improving cooling and exhaust efficiency
In addition, the exhaust structure will be simplified.

A fan shaft (24a) of the sirocco fan (24) and a flywheel (37) of the engine (20).
And a crank output shaft (38) disposed in the left-right lateral direction in a substantially parallel manner in the vertical direction and a fan shaft (40) connected to the output shaft (38) via a universal joint shaft (39). 24a) and the counter shaft (40) is attached to a counter bearing (41) fixed to the machine base (3) side.
And a drive unit such as a traveling transmission mechanism is operatively connected to an output pulley (42) integrally connected to the counter shaft (40), and a belt (44) is connected to an input pulley (43) of the sirocco fan (24). ), The output pulley (42) is interlocked and connected, so that the anti-vibration rubber (27) of the proper engine (20) is not affected by the belt tension.
And an insertion hole (45) for the joint shaft (39) formed in the left side wall of the engine case (23).
The opening ratio of the engine room (22) is suppressed to be small, the degree of sealing of the engine room (22) is improved, and low noise is promoted by a synergistic effect of using a belt transmission without using gears or the like.

As shown in FIG. 4, the outside air suction port (34) of the engine case (23) is connected to the traveling crawler (2).
It is provided at a position rearward from the rearmost end of the crawler (2) by a predetermined distance (L) without being overlapped with the crawler (2) so as to prevent the suction opening (34) from being blocked by the jumping soil from the crawler (2). Is configured.

In this embodiment, the radiator (2) having a large cooling air opening is constructed as described above.
By disposing 1) above the engine (20) arrangement position, it is possible to make the engine room (22) accommodating the engine (20) to be the most sealed and to reduce engine noise. By using a sirocco fan (24) as a radiator cooling fan for blowing and cooling the radiator (21), noise can be reduced by static motion compared to a conventional radial fan. At the same time, by arranging the engine (20) and the radiator ( 21 ) at the rearmost portion of the fuselage, noise can be further reduced. In particular, in this case, the engine room (22) and the cooling room (26) are separated by the wall, and the vibration-proof support structure is more effective without sound vibration propagation.

During the cooling of the radiator ( 21 ) by the sirocco fan (24), the outside air suction port (3
4) The oil pan (20a) of the engine (20) is effectively cooled by the outside air taken into the engine room (22), thereby preventing the temperature of the engine oil from rising.

Further, since the outside air intake port (34) and the intake port (33a) of the air path guide (33) are located vertically symmetric with respect to the engine room (22) with the engine (20) interposed therebetween, external intake is possible. Cool air flows substantially uniformly from the lower side to the upper side of the engine (20) over the entire circumference, so that the ventilation efficiency can be increased.

Further, since the suction port (32) and the suction port (33a) serving as the outside air intake of the cooling room (26) for taking in the air into the sirocco fan (24) are at the upper position,
In addition to reducing dust and straw debris suction, it excels in dustproofing, and the exhaust air after cooling the radiator ( 21 )
9) Since the air is discharged to the rear of the aircraft on the opposite side of the position, the operator can perform comfortable work without being directly affected by the hot wind and noise.

FIG. 9 shows that the engine case (23) is provided at the rearmost portion of the fuselage so as to be rotatable and openable. The engine case (23) is mounted on the machine base (3) via a pivot shaft (46). Of the case (23), the right and rear side walls (23a) of the case (23) are centered on a rear fulcrum shaft (47), and the front side wall (23b) is a front fulcrum shaft (48). The radiator storage case (25) is provided between the engine case (23) and the grain tank (15) in front of the engine case (23) while the opening is provided freely around the engine (20). The exhaust air after cooling the radiator (21) is discharged to the front side through a surplus space (49) between the threshing unit (4) and the grain tank (15).

It is desirable to use a sirocco fan (24) or a centrifugal fan such as a cross-flow fan as the radiator cooling fan, but an axial fan may be used.

[0019]

As is apparent from the above embodiments, the present invention forms an engine room (22) having a substantially closed shape and forms an engine room.
With the gin (20) installed inside and above the engine room (22)
Radiator storage case (25)
(21) and a cooling fan (24)
To the fan casing (30) of the cooling fan (24)
Air inlet that form the (31a) (31b), outside the bottom
The engine room (22) provided with an air suction port (34).
Outside air suction of the upper part and the radiator storage case (25)
With the mouth (32) and the radiator (2
Engine room using the cooling fan (24) of 1)
The warm air of (22) can be exhausted and the engine room (22)
Enhance the degree of sealing to make the engine (20) soundproof easily
And the warmth of the engine room (22)
Take both outside air into the cooling fan (24)
(20) and radiator (21)
(20) and the radiator (21) are separately cooled by air
Eliminates the need to improve cooling and exhaust efficiency and simplify the exhaust structure
And the like can be easily achieved .

[Brief description of the drawings]

FIG. 1 is an explanatory perspective view of an engine unit.

FIG. 2 is an overall side view of the combine.

FIG. 3 is an overall plan view of the combine.

FIG. 4 is an explanatory side view of the engine unit.

FIG. 5 is an explanatory rear view of the engine unit.

FIG. 6 is an explanatory plan view of an engine unit.

FIG. 7 is an explanatory rear view of the radiator unit.

FIG. 8 is an explanatory plan view of a radiator unit.

FIG. 9 is an explanatory view showing another modified structure example.

[Explanation of symbols]

(20) Engine (21) Radiator (22) Engine room (24) Sirocco fan (cooling fan) (25) Radiator storage case (30) Fan casing (31a) (31b) Air intake port (32) Outside air intake of engine room Mouth (34) Outside air intake of radiator storage case

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Akihiko Nakaya 1-32 Chaya-cho, Kita-ku, Osaka City Inside Yanmar Agricultural Machinery Co., Ltd. (72) Inventor Toshinori Kirihata 1-32 Chaya-cho, Kita-ku, Osaka-shi No. Inside Yanmar Agricultural Machinery Co., Ltd. (72) Inventor Koji Moriyama 1-32 Chayacho, Kita-ku, Osaka-shi Inside a Yanmar Agricultural Machinery Co., Ltd. Hei 4-9327 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F01P 3/18 F01P 3/04 A01D 41/12 B60K 11/04

Claims (1)

(57) [Claims] 1. A substantially closed engine room (22) is formed.
The engine (20) inside the engine room
A radiator storage case (25) is provided above (22).
Radiator (21) and cooling fan (24)
And a fan casing for the cooling fan (24).
Air inlets (31a) and (31b) formed in the socket (30)
The engine valve having an outside air suction port (34) at the bottom.
Arm (22) and the radiator storage case (2
5) An engine device of a combine which is connected to the outside air inlet (32) .