JP2000069833A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combine harvester so designed as to realize both large- sized dust suction/discharge hood and dust discharge hood and improve the dust discharge efficiency of a feeder house. SOLUTION: This combine harvester has such a scheme that, the front side of a threshing section 4 is mounted with a grain header 17 via a feeder house 18 in a liftable manner, the grain header, in turn, is equipped with a raking reel 19, reaping blades 20 and a platform auger 21, and there is provided a control platform 11 furnished with a control seat and also provided a dust suction/discharge fan 26 functioning to withdraw dust from the interior of the feeder house 18; wherein a dust suction/discharge hood 23 with the fan 26 installed thereinside is set up on the upper surface of the feeder house 18, and a dust discharge hood 24 with its upper part communicating with the dust suction/discharge hood 23 is installed on the side face of the feeder house 18.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine for harvesting, for example, rice, barley or soybean.

[0002]

2. Description of the Related Art Conventionally, as shown in Japanese Utility Model Laid-Open Publication No. Sho 60-168328, there has been a combine which supplies a grain stalk cut by a grain header to a threshing unit via a feeder house.

[0003]

The above-mentioned prior art has a problem that dust generated in a grain header at the time of harvesting a culm tends to be scattered to an operator in a driver's seat, and the dust reaches a field headland during a harvesting operation. However, when changing direction to the next process position, raising and lifting the mowing part raises a problem that there is a problem that the dust suction and exhaust fan is supported at a high position and dust is discharged to a high place. is there.

[0004]

According to the present invention, a grain header is mounted on a front side of a threshing unit via a feeder house so as to be able to move up and down, and a reel for scraping, a cutting blade and a platform auger are provided on the grain header. In the combine, a driver's cab having a driver's seat is provided, and a dust suction / discharge fan for taking out the internal dust from the feeder house is provided. The dust hood to be communicated is provided on the side of the feeder house, and the suction and exhaust hood and the dust hood can be easily fixed by using the top and side surfaces of the feeder house. Efficiency can be easily improved.

Further, a dust passage is formed by the outer surface of the feeder house and the dust hood, and a part of the dust hood is also used by the feeder house to reduce the weight of the dust hood and the volume of the dust passage. The size can be easily increased.

[0006]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a cross-sectional view of a main part, FIG. 2 is a side view of the whole, and FIG. 3 is a plan view of the same, where (1) is a machine frame mounted on a track frame (3) having a traveling crawler (2); (4) a threshing unit equipped with a handling cylinder (5) and a sorting mechanism (6) and mounted on the machine base (1), and (7) a threshing unit (4) which takes out through a fryer (8) A grain tank for storing the grains of (9), a harvesting unit installed in a lower front of the threshing unit (4) via a hydraulic cylinder (10) so as to be able to move up and down,
(11) is a driver's cab provided with a driver's seat (12) and a driving operation unit (13) and fixed to the front of the grain tank (7), and (14) is provided behind the grain tank (7). The engine room (15) is provided inside, and (16) is a grain discharge auger for taking out the grains in the grain tank (7).

The cutting section (9) includes a grain header (17) for taking uncut grain culm, and a harvesting grain culm connected to substantially the rear center of the header (17) to the threshing section (4). A feeder house (18) for feeding
The grain header (17) is provided with an uncut grain culm scraping reel (19), a reciprocating drive type cutting blade (20), and a platform auger (21), and a harvested grain culm to be taken into the header (17) is provided. The feeder house (18) is provided with a feed chain conveyor (22) to supply it to the threshing unit (4) for threshing.

Further, as shown in FIGS. 1, 4, 5, 6, and 7, a dustproof hood (25) is formed by an upper hood (23) and a side hood (24) connected in an L-shape.
A dust suction hood (25) is provided inside the dust suction hood (25), and a dust hood (25) is attached to the upper surface and the left side surface of the feeder house (18). A dust-absorbing guide plate (2
7) is fixed, and the rear surface of the upper surface of the platform auger (21) is covered with the guide plate (27). A dust suction / discharge fan (26) is provided on the upper surface of the feeder house (18), and the driver seat (12) is provided. Dust generated in the grain header (17) is sucked and discharged by the fan (26) at a position away from the worker, that is, on the left side of the feeder house (18) opposite to the worker.

Further, a dust suction port (28) is opened on the upper surface of the feeder house (18), and a dust-proof net (2) is provided in the dust suction port (28).
9), and the fan (26) and the electric motor (30) are fixed inside the upper hood (23) through the air guide plate (31), and the fan (26) is attached to the dust suction port (28). ) Are opposed to each other, the front of the upper hood (23) is connected to the upper surface of the feeder house (18) via a hinge (32), and the rear of the upper hood (23) is connected to the feeder house (18) by bolts (33). It is fixed to the upper surface, and the upper surface hood (23) is attached to the hinge (32) as a fulcrum so that it can be opened forward.
(34) for sealing the gap between the upper surface hood (23)
Is provided on the upper hood (23), a dust-proof net (29) is attached substantially horizontally below the dust-absorbing side of the fan (26), the dust-absorbing port (28) is closed, and culms or grains inside the feeder house (18) are closed. Is sucked into the fan (26) by the dustproof net (2).
9).

As shown in FIG. 5, the feeder house (1)
8) Side hood (24) via hinge (35) on left side
Connect the rear side, and attach the bracket (36) and bolt (3
7), the front side of the side hood (24) is fixed to the left side surface of the feeder house (18), and the side hood (24) is freely opened with the hinge (35) as a fulcrum, and as shown in FIG. ) And the side hood (24) are sealed with a sealing material (38) that closes the gap between the joints.
4).

When harvesting rice or soybeans,
The grain stalks cut by the cutting blade (20) are sent to the front side of the feeder house (18) by the platform auger (21), and the grain is fed to the threshing unit (4) by the chain conveyor (22) via the bottom surface of the feeder house (18). The culm is supplied and the platform auger (2
Particularly, dust is generated particularly at the grain culm inheriting portion between the feeder house (1) and the feeder house (18). However, the dust of the grain header (17) and the feeder house (18) is collected by the suction / discharge fan (26), and the feeder house is collected. (18) Dust is discharged from the upper surface to the lower left side of the feeder house (18) via the outer upper surface and the side hoods (23) (24), and the dust generated in the grain header (17) is discharged to the driver seat (12). ) And the feeder house (18).
It is configured to reduce the amount of dust carried into the threshing unit (4).

[0012] Further, as shown in FIG.
A cutting switch (40), which is turned on in conjunction with the cutting clutch engagement operation of the cutting clutch lever (39) of 3), and a manual switch (41) disposed on the operation section (13), as shown in FIG. And a stop switch (42) that is turned off by the rise of the feeder house (18) and detects the stop of the mowing due to the rise of the mowing part (9). The mowing and manual switches (40) and (41) connected in parallel are provided. On the other hand, a stop switch (42) is connected in series, and each switch (40) is connected.
(41) A power supply battery (43) is connected to the electric motor (30) via (42), and either the cutting or manual switch (40) or (41) is turned on, and the cutting unit (9) is lowered. When the stop switch (42) is kept on, the suction / discharge fan (26) is driven by the motor (30), and the mowing part (9) is raised and stopped by changing the direction at the headland. When the switch (42) is turned off, or the cutting clutch is disengaged by the cutting clutch lever (39) to stop the cutting section (9), and the switches (40) and (41) are turned off, the motor ( 3
0) is turned off, the dust suction / discharge fan (26) is stopped, and the long culm adhering to the lower surface of the dustproof net (29) is dropped by its own weight to prevent the net (29) from being clogged. .

As is apparent from the above, the grain header (1) is provided in front of the threshing unit (4) via the feeder house (18).
7) is mounted so as to be able to move up and down freely, a scraping reel (19), a cutting blade (20), and a platform auger (21) are provided on a grain header (17), and a driver's cab (11) having a driver's seat (12). ) And feeder house (18)
In a combine provided with a suction / discharge fan (26) for taking out dust inside, a top hood (23), which is a suction / discharge hood in which the suction / discharge fan (26) is provided, is provided on the upper surface of the feeder house (18). A side hood (24), which is a dust hood that communicates the upper part with the top of the feeder house (18), is provided on the side of the feeder house (18), and the top and side hoods (23) and (24) of the feeder house (18) are used. And fix each of the hoods (23) (2)
4) Enlarging the feeder house (18) and improving the dust removal efficiency.

Further, a dust exhaust path is formed by the outer surface of the feeder house (18) and the side hood (24), and a part of the side hood (24) is also used by the feeder house (18) to form the side hood (24). And reduce the size of the exhaust air duct.

FIG. 9 shows a modification, in which the dust suction / discharge fan (26) can be easily formed by a sirocco fan, and the dust suction / discharge fan is disposed on the side hood (24) instead of the top hood (23). The fan (26) can be easily installed inside.

[0016]

As is apparent from the above embodiments, the present invention is characterized in that a grain header (17) is mounted on a front side of a threshing unit (4) via a feeder house (18) so as to be able to move up and down, and a reel for scraping ( 19), a cutting blade (20) and a platform auger (21) are provided on the grain header (17), a cab (11) having a driver's seat (12) is provided, and dust inside the feeder house (18) is removed. In a combiner provided with a suction / discharge dust fan (26) to be taken out, a suction / discharge hood (23) in which the suction / discharge dust fan (26) is provided is provided on the upper surface of the feeder house (18), and an upper portion is communicated with the suction / discharge dust hood (23). The dust hood (24) is provided on the side of the feeder house (18), and the suction / discharge hood (23) and the dust hood (24) can be easily formed by using the top and side surfaces of the feeder house (18). Constant can be, each of the hood (2
3) The size of (24) can be increased, and the feeder house (18) can be easily improved in dust removal efficiency.

Further, a dust discharge air path is formed by an outer surface of the feeder house (18) and a dust discharge hood (24).
A part of the dust hood (24) is also used by the feeder house (18), so that the weight of the dust hood (24) and the volume of the dust passage can be easily increased.

[Brief description of the drawings]

FIG. 1 is an enlarged side view of a suction / discharge fan unit.

FIG. 2 is an overall side view.

FIG. 3 is a plan view of the same.

FIG. 4 is a side view of the reaper.

FIG. 5 is a plan view of a dust suction / discharge fan unit.

FIG. 6 is a side view of the same.

FIG. 7 is a front view of the same.

FIG. 8 is an electric circuit diagram.

FIG. 9 is a front view showing a modification.

[Explanation of Signs] (4) Threshing unit (11) Driver's cab (12) Driver's seat (17) Grain header (18) Feeder house (20) Cutting blade (21) Platform auger (23) Top hood (suction and dust hood) (24) Side hood (dust exhaust hood) (26) Suction and exhaust fan

Claims (2)

[Claims] A cereal header is mounted on a front side of a threshing unit via a feeder house so as to be able to move up and down. In addition, in the combine where an intake / exhaust fan is installed to take out the internal dust from the feeder house, an intake / exhaust hood for installing the intake / exhaust dust fan is provided on the upper surface of the feeder house, and a dust exhaust hood connecting the upper part to the intake / exhaust dust hood is provided on the side of the feeder house. A combine, characterized by being provided. 2. The combine as claimed in claim 1, wherein a dust passage is formed by the outer surface of the feeder house and the dust hood.