JPH05146214A - Dust-proofing apparatus for combine - Google Patents

Abstract

PURPOSE:To prevent the deposition of dust on a dust-proofing mesh by connecting a suction room to an engine room placed at a rear part of a combine and blowing dust-proofing air to the outer face of a dust-proofing mesh of the suction room from the front-side backward. CONSTITUTION:A suction room 9 is connected to an engine room mounted at the rear part of a combine and a dust-proofing mesh 8 is extended on a suction port. The nozzle 26 of a blower 20 is placed at the front side of the suction room. Dust-proofing air is blown to the surface of the dust-proofing mesh from the front side and the dust is discharged backward.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dustproof device for a combine, which is used for a self-removing combine or a normal combine.

[0002]

2. Description of the Related Art In the conventional structure, as a device for removing dust adhering to a dustproof net, there is a device for moving a cleaning brush along the surface of the dustproof net.

[0003]

In the working environment of this type of agricultural machine, since the target of the work is soil or a grain stalk (straw), dust is easily generated and it is difficult to take measures against it. In particular, for engines that require clean air to be sucked, a dust screen is stretched over the air intake to protect it from dust, but dust adheres to the mesh surface of this dust screen. Then, a trouble that causes clogging occurs.

If the dust-proof net becomes clogged, the engine will be damaged due to a reduction in horsepower, overheat, etc. Therefore, the worker must interrupt the work and clean the dust-proof net. I have to. Therefore, there is a problem that the work cannot be performed continuously and must be interrupted frequently for cleaning.

Further, the dust adhering to the dustproof net cannot be sufficiently removed by a brush or the like.

[0006]

The present invention takes the following technical means in order to solve the above-mentioned problems. That is, a thresher 5 having a grain culm supply port 3 on the front side and a dust discharge port 4 on the rear side is mounted on a chassis 2 having a traveling device 1, and a grain tank 6 is provided on the front side of the thresher 5 on the side. An engine room 7 is provided on the rear side of the engine room 7 provided side by side, and an intake chamber 9 having a dust screen 8 stretched outside is communicated with the engine room 7. Is a dustproof device in a combine configured to blow dust exhaust air from the front to the rear.

[0007]

EXAMPLE First, the structure will be described. Chassis 2
Has a traveling device 1 composed of a chlora, and is equipped with a thresher 5, a Glen tank 6, and a cabin 10. And
The thresher 5 has the grain culm supply port 3 positioned on the front side and the dust discharge port 4
Is mounted toward the rear, and a grain tank 6 is provided side by side on the front side thereof so that the grains that have undergone threshing can be harvested.

Although the threshing machine 5 is a normal type of all culm throwing type in the embodiment, it may be equipped with a self-throwing type having feed chain. The pretreatment unit 11 is integrally provided with a mowing device 12, a weeding rod 13, a scraping reel 14 and the like, and is provided at the front of the chassis 2 so as to be vertically movable. The engine 15 is built in an engine room 7 mounted on the rear side of the Glen tank 6 so that the rotating parts of each device can be transmission-rotated. The engine 15 has an air cleaner attached to it, and has a cooling fan 16,
The radiator 17 is arranged behind.

The engine room 7 has a box shape having an engine cover 18 on its side surface and surrounds the engine 15. The intake chamber 9 is connected to the upper portion of the engine room 7 and is provided with the engine cover.
A dustproof net 8 is stretched over an intake port 19 that is open on the same outer surface as 18. The intake chamber 9 communicates with the engine room 7, and the air outside the machine is filtered by a dust-proof net 8 to suck the air in the intake port 1.
It is configured to be sucked through 9, to supply clean air to the air cleaner and to be used as cooling air.

The blower 20 is composed of a rotary fan 21 and a fan case 22 and is installed on the upper surface of the Glen tank 6 so as to be driven by a transmission device 23.
An air outlet 24, which is the outlet of the shoe 22, is connected to the hose 25. The spout 26 is provided on the front side of the intake chamber 9,
The hose 25 is communicated with the dust-proof net 8 so that dust can be blown from the front toward the surface of the dust-proof net 8 and can be discharged toward the rear.

Another Embodiment 1 In the embodiment shown in FIGS. 3 and 4, a wind direction adjusting guide plate 27 is attached to the outer rear portion of the air intake chamber 9 and dust discharged from the air jet 26 is discharged from the rear dust outlet 4 of the thresher 5. It is structured so that it can be guided to the side.
According to this structure, the dust discharged rearward from the dust discharge port 4 of the threshing machine 5 is blown away to the side of the machine body and moves away from the machine body, thereby reducing obstacles due to the dust.

Alternative Embodiment 2 The embodiment shown in FIGS. 5, 6 and 7 has a structure in which the air blown from the blower 20 is blown into the intake chamber 9. In this case, the fan case 22 has a suction port 28 inside the cabin 10 so that clean air can be sucked. When the blower 20 is configured as described above, the generated air is sent from the hose 25 to the intake chamber 9 and is sucked from the air cleaner and used as cooling air. A strong wind blows from the dustproof net 8 to the outside.

Therefore, dust attached to the dustproof net,
The dust or the like that is about to adhere is discharged away from the inside by the wind. Alternative Example 3 The configuration of another example shown in FIGS. 8 and 9 has a structure in which the blowout port 26 is provided in the upper part of the intake chamber 9 and can blow air to the dustproof net 8 below, but it is also possible to blow air to the rear of the airframe. The switching valve 29 is provided in the above.

With this construction, the blowout air can be blown onto the dustproof net 8 and the switching valve 29 can be switched so that it can be blown backward to perform the work. Next, the operation will be described. First, when the engine 15 is started to drive the rotating parts of the machine body, the chassis 2 is propelled by the traveling device 1 and starts moving while moving forward.

Then, the grain culms in the field are scraped by the scraping reel 14 at the front part, cut by the cutting device 12 and supplied to the threshing machine 5 to undergo threshing action. Then, the threshed grains are stored in the Glen tank 6, and the dust is discharged from the rear dust outlet 4 of the threshing machine 5 to the outside of the machine. Now, during such continuous work, the engine 15
Clean air from which dust has been removed is continuously sucked as cooling air through the dustproof net 8 by the rotating cooling fan 16.

At this time, the air around the chassis 2 is scattered and contaminated with dust, straw dust, and dust generated from the grain culms (straw) that have been cut and threshed. There is. Therefore, since the dustproof net 8 passes the air sucked into the intake chamber 9 while filtering it and sending in clean air, dust tends to adhere to the entire surface. At that time, the blower 20 is located on the upper surface of the Glen tank 6 and sucks air by the rotating fan 21 to blow the air from the blower opening 24.
It is sent to the jet 25 and a strong jet is blown backward from the jet port 26.

Then, the blast blows through the front surface of the dustproof net 8. At that time, as described above, the dust which is about to be attached to the dustproof net 8 can be blown off immediately before the attachment. As described above, the air blown by the blower 9 can prevent dust from adhering to the dustproof net 8 and the engine cover 18 in the process of blowing through the intake chamber 9 and the outside of the engine room 7. Is.

[0018]

As described above, according to the present invention, a thresher having a grain culm supply port on the front side and a dust discharge port on the rear side is mounted on a chassis having a traveling device. A grain tank is installed side by side on the front side and an engine room is arranged on the rear side thereof, and an intake chamber having a dust net stretched outside is provided in communication with the engine room, and is provided outside the dust net. Since the exhaust air is blown from the front to the rear, the dust can be blown off by sending a jet of air along the outside of the dustproof net of the intake chamber.

Therefore, the dustproof net is removed before the dust adheres and is kept in a clean state so that the clogging is prevented in advance and the work can be performed efficiently without the need to interrupt the work. Moreover, the engine has a feature that it can maintain a necessary output and prevent a failure such as an overheat.

[Brief description of drawings]

FIG. 1 is a plan view of an embodiment of the present invention.

FIG. 2 is a side view showing an embodiment of the present invention with a part thereof cut away.

FIG. 3 is a plan view showing another embodiment 1 of the present invention.

FIG. 4 is a rear view of another embodiment 1 of the present invention.

FIG. 5 is a plan view of another embodiment 2 of the present invention.

FIG. 6 is a partially cutaway side view of another embodiment 2 of the present invention.

FIG. 7 is a rear view of another embodiment 2 of the present invention.

FIG. 8 is a plan view of another embodiment 3 of the present invention.

FIG. 9 is a rear view of another embodiment 3 of the present invention.

FIG. 10 is a rear view showing a cross section of a main part of another embodiment 3 of the present invention.

[Explanation of symbols]

1 Traveling device 2 Chassis 3
Grain cullet supply port 4 Dust removal port 5 Thresher 6
Glen tank 7 Engine room 8 Dust net 9
Intake chamber

Claims (1)

[Claims] 1. A thresher having a grain culm supply port on the front side and a dust discharge port on the rear side is mounted on a chassis having a traveling device, and a grain tank is attached to the side of the thresher and the grain tank is provided on the front side. An engine room is arranged on the side, and an intake chamber having a dust net stretched outside is provided in communication with the engine room.
A dustproof device in a combine configured to blow dust exhaust air from the front to the rear on the outside of the dustproof net