JP3339784B2 - Harvester waste treatment equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a straw processing device for discharging threshed straw in a harvester such as a combine.

[0002]

2. Description of the Related Art Conventionally, a straw processing device comprising a cutter device or a knotter device is provided at the rear of a threshing machine, and the threshed straw is shredded or bound by the straw processing device and discharged. A combine which has been selectively switched to a posture in which the straw is discharged as long straw via a switching mechanism has already been proposed.

Further, the switching mechanism as described above is disclosed in
As shown in JP-A-54-54, there is known a method in which a rail rod opposed to a straw transporting band is extended and contracted by operating a switching lever.

[0004]

A switching mechanism having a switching lever as described above is installed in a straw processing device,
Alternatively, since a series of levers for operating other work equipment are arranged on the side panel alongside the driver's seat, the switching lever installed as in the former case is far from the driver's seat, making it difficult to operate. is there. In the latter case, there is a problem that the configuration of other operation levers for operation is restricted due to the installation of the switching lever, thereby lowering the operability of the combine.

[0005]

According to the present invention, there is provided an apparatus for treating straw in a harvester, comprising a cutter for cutting straw 7 provided behind a threshing machine 3 mounted on a traveling machine body 1b having a driver's seat 4.
A switching mechanism 8 having a switching lever 80 for selectively switching between the state in which the straw threshed by the threshing machine 3 is processed by the straw cutter device 7 and the state in which the straw is discharged as long straw.
In the harvester provided with the above, the switching mechanism 8 is installed in the cover frame 40 that accommodates the air cleaner 4d installed near the driver's seat 4 and the switching lever 80 of the switching mechanism 8 is moved from the cover frame 40. Projected to enable external operation.

The switching mechanism 8 is connected to the side wall 4 of the cover frame 40.
F can be attached. Further, the transport lever 82 for switching the transport position of the straw of the straw cutter device 7 by the operation lever and the passage switching operating lever 83 for switching the straw passage to the straw cutter device 7 are simultaneously operated. Make up.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a harvesting machine according to the present invention; FIG.
The combine 1 shown in Fig. 1 includes a mowing unit 2 in front of a traveling machine body 1b having a crawler-type traveling device 1a so as to be able to move up and down, and a threshing machine 3 placed on the left side behind the cutting unit 2 and a control panel unit on the front side and the left side. A driver's seat 4 composed of a driver seat 4a and a seat 4b is provided.
It is configured by arranging a Glen tank 5 with a slab.

[0008] At the rear of the threshing machine 3, the cereal stalks mowed by the mowing section 2 and threshed by the threshing machine 3 are fed with a feed chain 3 a.
A straw cutter device 7 (straw processing device) that cuts or binds the straw fed from its rear end and transfers it to the rear as a long straw is passed on from the rear end to the culm transport belt 6.
The straw cutter device 7 shown in this embodiment is configured as shown in FIG. That is, the culm conveyance belt 6 is provided with a holding rail 70 that makes the conveyance distance of the conveyance end portion of the feed chain 3a variable within the range of the distance H. A cutter device 9 is provided below a portion where the rail rod 71 of the holding rail 70 is retracted (retracted) by a switching mechanism 8 described later, and a culm transport belt 6 and a cutter are provided in a portion where the rail rod 71 is advanced (extended). At the rear end of the straw cover 3b covering the upper part of the device 9, the passage cover 7a is rotatably suspended so as to open and close, and the straw cover 3b and the straw passage 6a formed at the upper part of the cutter device 9 are provided. Is configured to close the rear of the vehicle.

The cutter device 9 uses a disk-type cutter device 9 having a large number of rotary blades provided on a horizontal axis. The supply port of a passage formed above the cutter device 9 has a rear fulcrum. An opening and closing entrance cover 91 is provided in connection with the switching mechanism 8 (FIG. 4). Further, the switching mechanism 8 includes an engine cover frame 4c in which the engine E is installed.
The seat 4b is installed in a space formed between the seat 4b and the rear Glen tank 5 installed on the (mounting frame).

In this embodiment, the switching mechanism 8 is formed in a box-shaped cover frame 40 which houses the air cleaner 4d of the engine E installed on the mounting frame 4c, and the switching lever 80 is mounted on the cover frame 40. As shown in FIG. 5, a top surface of the frame 40 projects upward from a guide groove 41 formed in a horizontal crank shape. When the switching lever 80 is tilted to the right, the rail rod 71 is contracted and the entrance cover 91 is opened to supply the waste to the cutter device 9 and cut it with the cutter 90. Make the cutting posture. When the switching lever 80 is operated to the "left", the rail rod 71 is extended, the entrance cover 91 is rotated in the closing direction, and the passage cover 7a is lifted backward to open and discharged. Straw passage 6
The straw from a is discharged to the ground as uncut long straw.

Next, the configuration of the holding rail 70 that performs the above-described operation will be described with reference to FIG. A cylindrical guide rail 72 that slidably inserts and supports a rail rod 71, a switching lever 80 (FIG. 4) of the switching mechanism 8, and wires 7L and 7R are connected to the lower part of the culm transporting belt 6 on the upper side of the transport. A fixed rail 75 provided with a guide roller 73 to be turned around is provided opposite to a length reaching the cutter device 9. An operating piece 76 provided at a connection point between the wires 7L and 7R and a rail rod 7 are provided.
1 and the right side wire 7R is pulled, the rail rod 71 is extended, and the left side wire 7L is fixed.
When is pulled, the rail rod 71 is linked to the operation of the switching mechanism 8 so as to contract as shown by the solid line in FIG.

The passage cover 7a is opened upward at the rear by pulling the wire 7T, and the entrance cover 9a is opened.
Reference numeral 1 is configured to link the operation of the switching mechanism 8 so as to be opened by the pulling operation of the wire 7K. Next, the configuration of the switching mechanism 8 will be described with reference to FIGS. The switching mechanism 8 attaches an air cleaner 4d provided with an intake pipe 4e and an air supply pipe 4f of the engine E to a support shaft 81 projecting forward from a rear side wall 4F of a cover frame 40 installed in an inner central portion. The middle of a rail operating rod (transport position switching operating rod) 82 and a cover operating rod (passage switching operating rod) 83 are overlapped in the front-rear direction, and are pivotally supported so as to be independently rotatable.
A mounting piece 82 integrally projecting from the rail operating rod 82
The switch lever 80 is mounted on the base a by a mounting screw 82b. The mounting piece 82a and the switching lever 8
And an elastic material 8 such as synthetic rubber
The switching lever 80 can be slightly tilted back and forth with the interposition of 2c as shown in FIG. Reference numeral 85 shown in FIGS. 4 and 5 denotes a wire mounting plate fixedly wound in the cover frame 40, and the outer ends of the wires 7L, 7R, 7T, and 7K are mounted and fixed.

The rail operating rod 82 is provided with a roller 82R for winding the wire 7R and a roller 82L for winding the wire 7L above and below the rail operating rod 82. The winding end of each wire is attached to a mounting pin provided on the wire mounting plate 85. 85a and fixed. Wires 7T and 7K are attached to the upper and lower ends of the cover operating rod 83 by projecting, and a long piece 83R and a short piece 83L which are bent forward at the upper end thereof are shown. 4) to form a lever groove 83a. The switching lever 80 is attached to the mounting piece 82a using the elastic material 82c.
In order to be able to swing back and forth, and to be able to return to a straight neutral upright posture,
The lever groove 83a is engaged so as to be movable back and forth.

A guide groove 41 (FIG. 5) for operating the switching lever 80 to the left and right is formed in the cover frame 40 in a crank shape in a plan view with the center of the lever 80 in a neutral position as a center. Locking step portions 41a for positioning and locking the switching lever 80 are formed at the left and right operation ends of the guide groove 41, respectively. With the above configuration,
When the switching lever 80 is tilted to the right along the guide groove 41, the switching lever 80 is engaged with the lever groove 83a to move the cover operating rod 83 and the rail operating rod 82,
Simultaneously tilt in the same direction about the support shaft 81, pull the wires 7K and 7L via the lower mounting pin 85a and the roller 82L to open the entrance cover 91 and contract the rail rod 71. Straw to be transported by the culm transport belt 6
And can be discharged to the supply port of the cutter device 9 while being cut by the cutter 90.

Further, when the switching lever 80 is returned from the above-mentioned straw-cutting posture and tilted downward along the guide groove 41 through the neutral position, the switching lever 80 is moved to the lever groove 8.
3a, the cover operating rod 83 is operated to the neutral position,
In the state where only the rail operating rod 82 is tilted to the left while remaining, the entrance cover 91 is closed and the passage cover 7a is opened, the rail rod 71 is
The straw is extended as shown by the dotted line, is transported to the end of the culm transport belt 6, and can be discharged to the ground as uncut long straw from the opened straw passage 6a. is there.

Therefore, the straw that has been harvested and threshed in the combine operation can be freely selected for cutting or non-cutting, and can be selectively discharged, so that an efficient combine operation can be performed. At this time, the switching lever 80
Is operated by turning the switch lever 80 installed behind the seat 4b of the driver's seat 4 while sitting down.
It can be performed accurately and quickly with a simple operation of tilting left and right.

As in the conventional combine, the switching mechanism 8 and the switching lever 80 are provided on the side panel portion of the driver's seat 4 so that the arrangement of other operating levers is not hindered and the frequency of use is relatively small. When a small number of the above switching levers 80 are
By using the rear space, the other operating levers can be freely and conveniently installed to provide a combine with good driving operability.

Further, as shown in the drawing, the cover frame 40 of the air cleaner 4d installed behind the seat 4b is used as a mounting member, and the switching mechanism 8 is configured inside the cover frame 40. There is an advantage that a special space is not required for installing the device, and the device can be manufactured easily and inexpensively.

[0019]

By installing the switching mechanism 8 of the straw processing device 7 in the cover frame 40 in which the air cleaner 4d originally installed in the body is installed, comparison of the switching use frequency as in the conventional device is made. It is possible to provide a very small number of switching levers without any trouble caused by installing the switching levers together with the operation lever group for another control unit.

Further, there is an advantage that the switching mechanism 8 can be satisfactorily covered by the cover frame 40 of the air cleaner 4d. In addition, since the switching mechanism is also attached and detached by attaching and detaching the cover frame 40, maintenance of the air cleaner 4d is easy. Further, advantages such as easy formation of the guide groove 41 of the switching lever 80 using the cover frame 40 can be provided.

By using the side wall 4F of the cover frame 40 to also serve as a mounting member for the switching mechanism 8, the structure can be simplified, and the switching mechanism 8 can be assembled with a passage switching operating rod. Thus, the switching position of the straw is switched by one switching lever 80 and the straw passage 6
Since the switching of a can be performed by simultaneously operating the inlet cover 91 and the like, it is possible to easily and efficiently perform the straw processing operation.

[Brief description of the drawings]

FIG. 1 is a side view of a combine.

FIG. 2 is a plan view of the combine.

FIG. 3 is a side view showing a switching configuration of the straw processing device.

FIG. 4 is a front sectional structural view showing the structure of a switching mechanism.

FIG. 5 is a cross-sectional plan view of the switching mechanism shown in FIG. 4;

FIG. 6 is a side sectional view of a switching mechanism of FIG. 4;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Combine 1b Traveling body 2 Cutting part 3 Threshing machine 4 Driver's seat 4b Seat seat 4d Air cleaner 4F Rear side wall (side wall) 6 Dummy culm conveyance zone 6a Drainage passage 7 Drainage cutter device 7a Passage cover 7L, 7R, 7T, 7K Wire 8 Switching mechanism 9 Cutter device 40 Cover frame 41 Guide groove 70 Holding rail 71 Rail rod 80 Switching lever 81 Support shaft 82 Rail operating rod (transport position switching operating rod) 83 Cover operating rod (passage switching operating rod) 90 Cutter 91 Entrance cover

Continuation of the front page (56) References JP-A-61-124321 (JP, A) JP-A-54-123458 (JP, A) JP-A-9-205857 (JP, A) JP-A-57-198014 (JP) , A) (58) Field surveyed (Int. Cl. ⁷ , DB name) A01F 12/40 303 A01D 41/12

Claims (3)

(57) [Claims] 1. A straw cutter device 7 is provided behind a threshing machine 3 mounted on a traveling body 1b having a driver's seat 4 and the straw that has been threshed by the threshing machine 3 is subjected to the straw cutter device. 7. In a harvester provided with a switching mechanism 8 having a switching lever 80 for selectively switching between a state in which the straw is processed at 7 and a state in which the straw is discharged as it is, the switching mechanism 8 is installed near the driver's seat 4. A harvesting device of a harvester, which is installed in a cover frame 40 accommodating an air cleaner 4d to be used and a switching lever 80 of the switching mechanism 8 is protruded from the cover frame 40 so as to be operable externally. 2. The apparatus according to claim 1, wherein the switching mechanism is attached to the side wall of the cover frame. 3. A transport position switching operating rod 82 for switching the transport position of the straw of the straw processing apparatus by a switching lever 80;
A passage switching operating rod 8 for switching the straw passage to the straw processing device
3. The straw treatment device for a harvester according to claim 1, wherein said device is operated simultaneously with said device.