JPS62104509A - Combine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (A) Field of Industrial Application The present invention relates to a suction dust removal device for a threshing device mounted on a combine harvester and the arrangement of a dust exhaust gutter at a dust exhaust port.

(b) Prior Art Conventionally, the technology of arranging a suction and dust removal device in a threshing device mounted on a combine harvester has been known. For example, Japanese Patent Publication No. 56-25082.

However, the present invention does not simply arrange a suction dust exhaust device, but also opens a dust exhaust port at the rear of the suction space of the threshing device in which the suction dust exhaust device is installed, and removes dust from the dust exhaust port. The fuel tank is arranged in a space where dust is prevented from falling by a gutter, and the discharge port of the suction and dust removal device B is also configured to discharge dust onto the dust evacuation gutter.

(c) Problems to be Solved by the Invention In conventional combine harvesters, the fuel tank was generally located between the paddy tank device and the operator seat.

However, if the fuel tank was placed at this location, it was not possible to secure space when attempting to increase the capacity of the paddy tank.

In the present invention, in order to increase the capacity of the paddy tank, the fuel tank is moved and placed at the rear of the threshing device, utilizing the extra space below the suction space.

However, a third dust exhaust port has traditionally been placed in this part, and if the fuel tank is placed, this will be blocked, so in the present invention, the third dust exhaust port is placed above. The lower part is a space, and the dust exhaust gutter is protruded to prevent dust from falling from above, and the suction dust exhaust device B is installed.
The structure is such that dust from the discharge port is discharged onto the dust exhaust gutter so that it is not obstructed by the fuel tank.

(d) Means for Solving the Problems The objects of the present invention are as described above. Next, the configuration for achieving the objects will be explained.

In a threshing device equipped with a combine harvester, a dust exhaust port 45 is opened at the rear of a suction space C in which a suction dust exhaust device B is disposed on the side wall. A tank 5 is arranged, and the discharge port 4a of the suction dust exhaust device B is directed toward the dust exhaust gutter 46 to discharge dust, and the dust exhaust surface of the discharge port 4a is configured to serve as the surface of the dust exhaust gutter 46. It is something.

(E) Embodiments and Functions The purpose and structure of the present invention are as described above. Next, the structure of the embodiments shown in the attached drawings and the invention will be explained in detail.

Fig. 1 is an overall side view of the combine harvester of the present invention, Fig. 2 is a side cross-sectional view of the threshing device which is the main part of the present invention, Fig. 3 is a rear cross-sectional view of the fuel tank arrangement portion at the rear of the threshing side view, and Fig. FIG. 4 is a perspective view of the dust exhaust port, dust exhaust gutter, and suction dust exhaust device.

Referring to FIG. 1, the overall structure of the combine harvester will be explained.

A threshing device is placed on a traveling device 20 of a set of crawlers. In front of the threshing device, there is a vertically rotatable device,
A reaping conveyance device E is installed.

The culm harvested and transported by the reaping and transporting device E is transferred to the feed chain 25 of the threshing device, and with the stock base being held by the feed chain 25, the handling teeth 7a of the rotating handling drum 7 Threshing occurs when the tip of the ear comes into contact with the grain.

A paddy tank device 44 is arranged on the right side of the threshing device, and an engine 39 and an operator seat 30 are arranged in front of the paddy tank device 44. In front of the operator seat 30, a step 27 and an operation column 29 are arranged.

Next, the structure of the threshing device will be explained with reference to FIGS. 2 and 3.

The tip of the culm, whose base is held between the foot chains 25, comes into contact with the handling teeth 7a of the handling cylinder 7, is shed, and passes through the crimp net 13.

The grains that have passed through the crimp net 13 are placed on the oscillating sorting device 16, subjected to specific gravity sorting by the oscillation of the oscillating sorting device 16, and while falling from the sorting net of the device, a sorting ventilation fan 15 The fine grains fall onto the first conveyor 17, while the immature grains, grains with husks and ears are carried by the sorting wind, and fall into the second conveyor 10. . Further, dust and straw debris inside the sorting device are carried by the sorting wind and reach the suction space C.

Suction and dust removal devices A and B are arranged on the left and right sides of the suction space C, and suck dust and straw from the left and right while keeping the balance of sorting on the left and right. It is discharged from 3 and 4 discharge ports 4a and 3a.

Further, an orthogonal processing cylinder 9 is arranged above the sieving line 23 at the end of the swinging sorting device 16, and is placed on the swinging sorting device 16 and falls from the sorting screen while receiving the swinging motion. The remaining straw waste and grains with spikes are processed and shed between the processing teeth 9a of the orthogonal processing cylinder 9 and the rack sieve 24, and then returned to the oscillating sorting device 1.
The fine grains are dropped onto a stroller 55 placed at the rear end of the grain 6, and are sorted through a sieve.The fine grains slide down on the flow board 56 and fall into the second conveyor 10, and dust and straw are removed from the straw. −
The dust is transported to the dust exhaust port 45 by the rack 55, and is discharged from the machine through the third dust exhaust port 45. In the present invention, the dust exhaust port 45 is opened in the upper part, and the dust exhaust gutter 46 is protruded rearward from the lower part of the dust exhaust port 45 to prevent dust from below. The fuel tank 5 is arranged below the fuel tank 56.

Conventionally, the orthogonal processing cylinder was located at a low position, so the dust exhaust port 45
Also, the opening was at a low part, making it impossible to place the fuel container 5 under the grain board 56 of the second conveyor 10.

The No. 2 reduced material that has fallen onto the No. 2 conveyor 10 is bounced up by the No. 2 reducing thrower 12, is returned to the parallel processing cylinder 28 arranged parallel to the handling cylinder 7, and is processed by the processing teeth 28a. It is.

The main part of the present invention is the second conveyor 10, which is the only extra space in the threshing device configured as described above.
The fuel tank 5 is arranged below the grain board 56.

In order to prevent dust and straw from falling on the fuel tank 5 disposed under the grain board 56, the dust exhaust port 45 is disposed upward, and the outlet portion of the dust exhaust port 45 is located below the dust exhaust port 45. The gutter 46 is made to protrude, and the dust and straw debris discharged from the discharge port 4a of the suction and dust removal device B are prevented from falling onto the fuel tank 5.
Direct the discharge position of the discharge port 4a toward the inside of the machine, and
The dust evacuation gutter 47 in the concave portion 6 is configured to also serve as the dust evacuation surface of the discharge port 4a.

As shown in the embodiment of FIG. 4, by forming a recess at the left end of the dust evacuation gutter 46 and making the dust evacuation gutter 47 in this part also serve as the dust ejection surface of the discharge port 4a, the recess can be used as the discharge port. The dust removal direction of the suction dust removal device B can be determined by replacing the extension portion 4a. Moreover, by setting the discharge port 4a above the dust evacuation gutter 47, the dust evacuation gutter 46 and the dust evacuation gutter 47 can
This makes it possible to protect the upper part of the fuel tank 5 from dust.

Further, as shown in FIG. 3, the fuel tank 5 is connected to the dust exhaust gutter 47.
It is not located below the recess formed by the dust exhaust gutter 4.
It is constructed in the lower part of 6. And dust exhaust gutter 47
The oil filler port 6 is passed through the lower part of the oil filler port 6.
It stands upright from the part that intersects with the discharge port 4a of the suction and dust removal device B, and opens at a position outside the machine body where it is easy to lubricate.

As mentioned above, the suction and dust removal devices A-B are arranged on the left and right sides of the threshing device, and the suction and dust removal fans 2 are arranged inside, and the outside is covered with fan cases 3 and 4. Parts of the fan cases 3 and 4 are configured as discharge ports 3a and 4a.

The suction dust removal device B may be bent in the width direction of the threshing device as shown in FIGS. 3 and 4 so that its dust removal direction is in the same position as the suction dust removal device A as much as possible. be. This makes it possible to match the dust removal directions of the left and right suction dust removal devices A-B.

Figure 5 is a side view showing the engine compartment cover opened;
FIG. 6 is a rear view with the operator seat and seat base 40 tilted to the side, and FIG. 7 is a side view with the engine compartment cover and operator seat removed.

The engine compartment and operator seat of this combine are covered with an engine compartment cover to facilitate repair and inspection of the mission case M, engine E, and other parts such as V-belts and pulleys, which are located inside these parts. Not only the operator seat 26 but also the operator seat 30, seat base 40, etc. are configured to be able to be rotated to open and close. In addition, since the operator seat 30 can be rotated sideways to open and close, the engine compartment cover 2
The structure is such that it extends to the sides of the seat base 40 and operator seat 30. The engine compartment frame 34 itself is smaller than the engine compartment cover 26, and a large portion of the engine compartment cover 26 covers the seat base 40 and the operator seat 30. Engine room frame 3
An air filter 35 is fixedly installed above the engine 4 to suck clean air into the engine E. Further, a hydraulic oil tank 33 of the hydraulic system is fixedly installed on the side or inside of the seat base 40, and the hydraulic oil tank 33 is configured so that it can be removed from the joint portion when the seat base 40 is removed. be.

The engine compartment cover 26 is pivotally supported to the rear frame of the engine compartment frame 34 by hinges 49, 49, and the seat base 40 is also pivotally supported to the side surface of the fuselage frame by hinges 32, 32. With this configuration, the seat base 40 can be rotated laterally as shown in FIG. 6, and the hinges 49 and 32 can be removed by sliding, so if they are removed as shown in FIG. 7, the internal engine E can be completely removed. Ya ■Pulley Ya■
This makes it easier to repair and inspect the belt. 27 is a step, and 29 is an operation column.

(F) Effects of the Invention Since the present invention is constructed as described above, it has the following effects.

First, by arranging the fuel tank 5, which was conventionally placed in front of the paddy tank device 44, below the suction space C at the rear of the threshing bag WD, the space for the paddy tank device W44 is expanded. This made it possible to increase the capacity of the paddy tank device 44.

Secondly, by arranging the fuel tank 5 in this part,
The oil filler port 6 interferes with the discharge port 4a of the suction dust exhaust device and the dust exhaust port 45, making it difficult to lubricate. By bending it, there was no interference with these, making it easier for the operator to lubricate.

[Brief explanation of drawings]

Fig. 1 is an overall side view of the combine harvester of the present invention, Fig. 2 is a side cross-sectional view of the threshing device which is the main part of the present invention, Fig. 3 is a rear cross-sectional view of the fuel tank arrangement portion at the rear of the threshing side view, and Fig. Figure 4 is a perspective view of the dust exhaust port, dust exhaust gutter, and suction and dust removal device, Figure 5 is a side view showing the engine compartment cover open, and Figure 6 is a side view of the operator seat and seat base 40. FIG. 7 is a rear view with the engine compartment cover and operator seat removed by sliding them. A, B... Suction dust removal device C... Suction space D... Threshing device 3.4... Fan cases 4a, 5a of the suction dust removal device.
...Discharge port 5...Fuel tank 6...Fuel tank oil filler port 45...Dust exhaust port 46.47...Dust exhaust gutter

Claims (1)

[Claims] In a combine harvester-mounted threshing device D, a dust exhaust port 45 is opened at the rear of a suction space C in which a suction dust exhaust device B is arranged on the side wall, and a dust exhaust gutter 46 protruding from the lower part of the dust exhaust port 45 is provided with fuel. A tank 5 is arranged, and the discharge port 4a of the suction dust exhaust device B is directed toward the dust exhaust gutter 46 to discharge dust, and the dust exhaust surface of the discharge port 4a is configured to serve as the surface of the dust exhaust gutter 46. A combine harvester characterized by: