JPH0260293B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to improvements in a reinforcing frame for reinforcing the rear wall of a handling chamber in a combine threshing device.

The rear wall of the handling chamber of the threshing device supports one end of the rotating shaft of the handling barrel housed in the handling chamber.
Reinforcement is required to ensure that the rotating shaft of the handling cylinder is supported properly.

As a means for reinforcing the rear wall of the handling chamber, there is known a means for connecting the rear wall and front wall of the handling chamber with a reinforcing frame, as disclosed in Japanese Utility Model Application Publication No. 57-4930. However, in this method, by forming a grain culm inlet for inserting the grain culm and a grain culm outlet for discharging the grain culm, the front wall has a structure in which the lower end becomes a free end in side view and is easily movable. Since the rear wall and the rear wall are connected by a reinforcing frame, there is a problem that the rear wall is not sufficiently reinforced.

In addition, in combine harvester threshing equipment, a straw removal processing device is installed and mounted on the back of the waste sorting section that is continuous to the rear of the rear wall of the handling room, but the assembly and support for this straw removal processing device is unstable. There is a problem.

The present invention was made in order to solve the problems occurring in the threshing equipment of conventional combines, and the rear wall of the handling chamber of the threshing equipment is strengthened by a frame connected and supported by the traveling frame of the combine. Provides a new means for reinforcing the machine frame of the straw processing device, which is assembled and supported on the rear surface of the waste sorting section of the threshing device, by using the frame to firmly support the traveling frame. The purpose is to

In the present invention, as a means for achieving this object, a structure is provided between the rear end of the traveling frame of the combine and the rear wall of the handling chamber of the threshing device mounted on the upper surface of the traveling frame. , a reinforcing frame formed in a substantially angular shape is arranged from the rear surface of the rear wall of the handling room to the rear end of the traveling frame, bypassing above and behind the waste sorting section on the rear end side of the threshing device. The upper end of the reinforcing frame is connected to the rear wall of the handling room, the lower end is connected to the rear of the traveling frame, and the middle part is mounted on the rear side of the dust sorting section of the threshing device. This invention proposes a reinforcing frame for a combine threshing device, which is characterized in that it is integrally connected to the machine frame of a waste straw processing device.

Next, an example of implementation will be described in detail with reference to the drawings.

FIG. 1 is a longitudinal sectional side view of the main parts of a combine harvester in which the present invention can be implemented. A threshing device mounted on the upper surface side of the frame a is shown.

The threshing device b uses a cutting blade device provided in a cutting section (not shown in the figure) mounted in front of the front end (left end in the figure) of the traveling frame a to cut grain culms. Grain culms transported rearward by the transfer device are transferred to the starting end 1a of the feed chain 1, which is placed horizontally on the side of the body of the threshing device b, and which protrudes forward of the body. The tips are supplied into the handling chamber 2 mounted on the upper half of the front end side of the machine, and the handling chamber 2
This is a normal self-threshing type threshing device that performs threshing within the processing chamber 2, and a handling cylinder 20 has both front and rear ends of its rotating shaft 21 (handling cylinder shaft) connected to the handling chamber 2. It is stored pivotably supported on the front side of the machine wall 22 (front wall) and rear wall 23. In addition, at the bottom of the fuselage below the handling room 2, there is a sorting air passage 31 that blows the sorting air blown out from the Karachi blower 30 from the lower front to the upper rear, and a sorting air passage 31 that blows the sorting air blown out from the Karachi blower 30 from the lower front to the upper rear. A wind sorting section 3 having a swing sorting shelf 32 mounted below the reception screen 24 of the chamber 2 is installed, and above the rear end of the wind sorting section 3, the rear wall 23 of the handling chamber 2 is installed. At the rear, there is a dust exhaust chamber 40 (or dust exhaust cylinder) and a dust exhaust fan that suck and remove the straw waste sent to the terminal end (rear end) of the sorting air passage 31 while sorting it. 41 is installed. Further, above the above-mentioned waste sorting section 4, the waste straw which is the threshed grain culms drawn out from the handling chamber 2 at the terminal end of the feed chain 1 is transferred from the terminal end of the feed chain 1 to the threshing device b. A straw transporting device 5 is installed to carry out the straw to the rear of the machine, and the straw is carried out by the straw transporting device 5 to the rear side of the dust sorting section 4 at the rear of the machine of the threshing device b. A waste straw processing device 6 for processing waste straw is mounted. In this embodiment, the waste straw processing device 6 is a straw cutter with parallel rotary blades that cuts waste straw using a large number of parallel rotating blades 60 and a large number of receiving blades 61 facing the rotary blades. In some cases, it is used as a binding device that performs binding processing.

Reference numeral 7 denotes a reinforcing frame installed to reinforce the rear wall 23 of the handling chamber 2, as shown in FIG. A horizontal portion 70 extends rearward from the rear surface beyond the dust sorting section 4 in a substantially horizontal position, and the rear end thereof is located above the rear end of the machine frame 6a of the straw disposal device 6; A vertical portion 71 that descends vertically from the rear end of the frame 70 and a bent portion 72 that bends diagonally downward from the lower end of the vertical portion 70 toward the rear end of the traveling frame a, when viewed from the side. , the rear wall 2 of the handling chamber 2 is placed so as to go far above the exhaust dust sorting section 4 installed at the rear end side of the threshing device b.
3, and is formed in a substantially angular shape that descends from a position far beyond the dust sorting section 4 toward the rear end of the traveling frame a.
The reinforcing frame 7 has an upper end 7a connected to the rear wall 23 of the handling chamber 2 via a mounting bracket 73, and a lower end 7b connected to the traveling frame via a mounting bracket 74. It is connected and fixed to the rear end of a.

Further, the middle part of the reinforcing frame 7 is provided with a threshing device b.
It is connected to the machine frame 6a of the waste straw processing device 6 attached to the rear side of the waste dust sorting section 4. The reinforcing frame 7 for the machine frame 6a of the straw disposal device 6
In the example shown in FIG.
This is done by fastening together the connecting plate 62 provided on the vertical part 71 of the reinforcing frame 7 and the mounting plate 75 provided on the vertical part 71 of the reinforcing frame 7 with set bolts 76. The vertical part 71 of the frame 7 is divided into two vertically from the part where the above-mentioned mounting plate 75 is attached, and the above-mentioned mounting plate 75 is integrally attached to the upper vertical part 71a side, and a separate mounting plate 77 is attached to the lower vertical part 71b side. are installed in one piece, and this mounting plate 7
5 and the mounting plate 77 to the machine frame 6a of the straw disposal device 6.
In some cases, the upper and lower connecting plates 62 are connected to each other, and these three parts are fastened together with set bolts 76. When this means connects the vertically separated reinforcing frame 7 together with the mounting plates 75 and 77, the reinforcing frame 7 is connected to the machine frame 6a of the straw disposal device 6. 7 and the machine frame 6a of the waste straw processing device 6 can be connected easily.

Further, it is desirable that the reinforcing frame 7 is provided so that the vertical portion 71 is located outside the machine frame 6a of the straw disposal device 6, as shown in FIGS. 3 and 4. By arranging it so as to be located outside the machine frame 6a in this way, it becomes possible to assemble the dropper mounting machine frame 8 to this vertical portion 71 as shown in FIG.

The embodiment device constructed in this manner operates as follows.

A reinforcing frame 7 whose upper end 7a is connected to the rear wall 23 of the handling chamber 2 of the threshing device b
The lower end 7b, which bypasses the upper and rear parts of the rear end side of the dust sorting section 4 and goes downward, is connected to the rear end of the traveling frame a, so that the rear wall of the handling chamber 2 23 is connected and supported by the traveling frame a, so that the rear wall 23 of the handling chamber 2 is effectively reinforced.

This reinforcing frame 7 has its intermediate portion integrally connected to the frame 6a of the straw processing device 6 mounted on the rear surface of the waste sorting section 4 of the threshing device b. This serves as a stay that connects and supports the machine frame 6a of the waste straw processing device 6 to the traveling frame a, thereby stably supporting the machine frame 6a.

As described above, the reinforcing frame in the threshing device for a combine harvester according to the present invention has a structure that connects the rear end of the traveling frame a of the combine with the rear wall 23 of the handling chamber 2 of the threshing device b mounted on the upper surface of the traveling frame a. In between, in a side view, there is a substantially angular shape that goes from the rear surface of the rear wall 23 of the handling chamber 2 to the rear end of the traveling frame a, detouring above and behind the dust sorting section 4 on the rear end side of the threshing device b. Coordinating the reinforcing frame 7 formed in
The upper end 7a of the reinforcing frame 7 is connected to the rear wall 23 of the handling chamber 2, the lower end 7b is connected to the rear part of the traveling frame a, and the intermediate part is connected to the dust exhaust of the threshing device b. Since it is configured to be integrally connected to the machine frame 6a of the waste straw processing device 6 mounted on the rear side of the sorting section 4, the rear wall of the handling chamber of the threshing device can be connected and supported to the traveling frame of the combine harvester. In addition to being strongly reinforced by the tightened frame,
The frame allows the traveling frame to firmly support the machine frame of the straw processing device, which is assembled and supported on the rear surface of the waste sorting section of the threshing device.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional side view of a threshing device that can carry out the present invention, FIG. 2 is a cross-sectional plan view of the same device, FIG. 3 is a longitudinal sectional rear view of the main parts of the same device, and FIG. 4 is a side view of the same device. It is. Explanation of drawing symbols, a... Traveling frame, b...
Threshing device, 1... Feed chain, 1a... Starting end, 2... Handling room, 20... Handling barrel, 21... Rotating shaft (handling barrel shaft), 22... Machine wall, 23... Rear wall, 24 …
...Receiving net, 3...Wind selection department, 30...Karami blower,
31... Sorting air path, 32... Swinging sorting shelf, 4...
Exhaust dust sorting section, 40...dust exhaust chamber (or dust exhaust cylinder),
41... Dust removal fan, 5... Straw removal conveyance device, 50
... Mounting member, 6 ... Straw processing device, 6a ... Machine frame, 60 ... Rotating blade, 61 ... Receiving blade, 62 ... Connection plate, 7 ... Reinforcement frame, 7a ... Upper end Part, 7b... Lower end, 70... Horizontal part, 7
1... Vertical part, 71a... Upper vertical part, 71b
...Lower vertical part, 72...Bending part, 73, 74
...Mounting bracket, 75, 77...Mounting plate, 76...
Set bolt, 8...Mounting machine frame.

Claims (1)

[Claims] 1 Between the rear end of the traveling frame a of the combine and the rear wall 23 of the handling chamber 2 of the threshing device b mounted on the upper surface of the traveling frame a, the rear surface of the rear wall 23 of the handling chamber 2 is located between A reinforcing frame 7 formed in a substantially angular shape is arranged so as to bypass the upper and rear parts of the waste sorting section 4 on the rear end side of the threshing device b and go toward the rear end of the traveling frame a. The upper end 7a is connected to the rear wall 23 of the handling chamber 2,
The lower end 7b is connected to the rear part of the traveling frame a, and the intermediate part is integrally connected to the machine frame 6a of the straw processing device 6 mounted on the rear side of the waste dust sorting section 4 of the threshing device b. A reinforcing frame in a combine threshing device characterized by a reinforced frame.