JPS598497Y2 - Grain culm guidance device in harvester - Google Patents

Description

[Detailed description of the invention] The present invention is based on a plurality of grain culm lifting devices installed in parallel on the left and right at the front end of the aircraft. In a multi-row harvester that is equipped with a grain culm cross-feeding device for laterally conveying grain culms moving backward, the grain culm being transported laterally by the grain culm cross-feeding device is This invention relates to a grain culm guiding device provided for guiding the grain culm in an undisturbed state, and its purpose is to enable the grain culm to be guided accurately by a simple mechanism.

To achieve this purpose, the device of the present invention is located behind a plurality of grain culm lifting devices installed in parallel on the left and right at the front end of the aircraft, and located between the grain culm lifting device located at the end and the next one. A grain culm cross-feeding device that transports grain culms using a circulating transport lug is installed at a position across the grain culm pulling device, and the grain culm transporting stroke of the device is set to be long from side to side, and the grain culm traversing device is installed in the middle of the grain culm lifting device. A guide plate is provided on one side of the lifting case of the grain culm pulling device on the above-mentioned interval side so as to extend the front wall of the lifting case. a rear extension extending rearward from an end beyond the side wall of the lifting case; and a rear wall of the lifting case that is folded back from the rear end of the rear extension in a direction opposite to the direction in which the guide plate projects. A folded extension extending to surround the rear of the folding extension, and a front extension extending forward from the extension end of the folding extension toward the other side of the lifting case integrally or integrally with the guide plate. The outer surfaces of the rear extension part and the front extension part are formed into guide surfaces for the grain culm passing on both the left and right sides of the pulling case, and the rear surface of the folded extension part is shaped into the grain culm guide surface passing through the left and right sides of the pulling case. The present invention is characterized in that the grain culm guiding surface of the grain culm traversing device is arranged opposite to the front surface of the grain culm conveying process of the culm traversing device.

Next, in accordance with the drawings, we will specifically explain an example implemented in the reaping section 1 of a combine, which is a harvesting machine. In Fig. 1,
A, B, C, and D are known weeding bodies that are supported on the front end of the body 2 of the reaping section 1 of the combine and arranged side by side on the left and right, as shown in FIG.

Specifically, a, l), and c are grain culm pulling devices whose upper ends are supported by the body 2 of the reaping section 1 and are arranged side by side on the left and right, and as shown in FIG. It is arranged to be located behind the grass, approximately in the middle of the grass growing bodies A, B, C, and D arranged side by side on the left and right when viewed from the front as shown in FIG.

Grain culm lifting devices a, l), c are constructed by suspending a chain (not shown) that rotates endlessly in the vertical direction in a lifting case 4 shaped like a vertically long machine casing. Attach the lifting lugs 5, 5... at regular intervals, and
The tips of the lifting lugs 5, 5, . Guide to guide movement (not shown)
is provided within the lifting case 4, which is the same as that of conventionally known devices.

Of these parallel grain culm pulling devices a, l) and c, the grain culm lifting devices a and C located at both left and right ends are as follows:
The part of the pulling lug 5 that rotates while descending on the lower end of the lifting case 4, which is the starting end of the locus W in which the lifting lug 5 protrudes from the lifting case 4 and rotates, is parallel to the branching body A,
Branches A and D located at both left and right ends of B, C, and D
It is arranged so that the front side is surrounded by.

6 is a reaping section 1 that raises the grain culm pulled up by the grain culm lifting device a located at the end of the parallel grain culm lifting devices a, l) and c, as shown by arrow A in FIG. The grain culm lifting device a
, l) is a grain culm cross-feeding device mounted on the machine body 2 of the reaping section 1, which is located behind the grain culm cross-feeding device. A transport lug 61 that is attached to and moves in circulation...
This is a known method for conveying grain culms, and is set so that the conveying stroke of the grain culms by the conveying lugs 61 becomes longer in the left-right direction, as shown in FIG. 3. As shown in the figure, it is installed long from side to side so as to extend from the rear of the grain culm pulling device a located at the end to the rear of the intermediate grain culm lifting device b adjacent thereto.

Furthermore, in this embodiment, as shown in FIG. 2, two rows are arranged vertically in parallel.

10 are parallel grain culm lifting devices a, l) . , c, the lifting lug 5 of the grain culm pulling device b provided at the center is a guide plate provided so as to surround the front side of the starting end of the locus W on which the lifting lug 5 of the grain culm pulling device b protrudes from the lifting case 4 and rotates. As shown in FIG. 4, the front wall 41 is extended from the end of the front wall 41 of the lifting case 4 on the side of the grain culm lifting device a located at the above-mentioned end toward the starting end of the trajectory W. It is provided so as to protrude from the top, and plays the role of guiding the grain culm flowing over the starting end of the trajectory W to the side where the lifting lug 5 rotates upward in cooperation with the aforementioned front wall 41. .

As shown in FIG. The rear extension part 11 extends rearward from the side wall 42 so as to largely enclose the rear extension part 11, and the lifting case 4 is folded back in the opposite direction to the direction in which the guide plate 10 is projected from the rear end of the rear extension part 11. A folded extension part 12 extending to surround the rear of the rear wall 43, and a front extension part 1 extending forward from the extension end of the folded extension part 12 toward the other side of the lifting case 4.
3 are installed integrally or integrally with the guide plate 10, and the guide plate 10, the rear extension part 11, the folded extension part 12, and the front extension part 13 allow the lifting lug 5 of the lifting case 4 to be The case Y is shaped so as to largely enclose the side wall 42 from which it starts to protrude and the rear of the rear wall 43 of the lifting case 4!・Thereby, the outer surfaces of the rear extension portion 11 and the front extension portion 13 are used as guide surfaces for the grain culm passing on both the left and right sides of the raising case 4, and the rear surface 12 a of the folded extension portion 12 is made to face the front surface of the grain culm conveying path 6a of the grain culm traversing device 6 mentioned above, so that the rear surface 12a of the folded extension portion 12 constitutes the grain culm guiding surface of the grain culm lateral feeding device 6. There is.

Next, to explain the function and effect, in the means of the present invention constructed as described above, among the parallel grain culm pulling devices, the grain culm pulling device a located at the end and the intermediate grain culm pulling device adjacent thereto A rear extension part 11 for guiding the grain culm passing through the gap formed between the apparatus b and the grain culm passing through the gap is conveyed laterally by a conveying lug 61. a folded extension part 12 facing the front side of the conveyance stroke 6a of the grain culm traversing device 6, and a front extension part 13 for guiding the grain culm passing through the opposite side of the above-mentioned interval of the intermediate grain culm pulling device b. and are installed continuously on the guide plate 10 protruding from the lifting case 4 of the intermediate grain culm lifting device b toward one side thereof, so the mounting and supporting mechanism for them becomes simple. Further, the grain stem passing through the above-mentioned interval is guided rearward by the rear extension part 11, and the grain stem cross-feeding device 6 is positioned at the rear of the interval, in a conveyance stroke 6.
The grain culm lateral feeding device 6 and the rear surface 12 a of the folded extension portion 12 jointly transport the grain toward the other side of the intermediate grain culm pulling device b, and the grain culm pulling device b
Since the other side merges with the grain culm guided rearward by the front extension part 13, the guidance of the grain culm becomes smooth, and the distance between both sides of the intermediate grain culm pulling device b is reduced compared to conventional methods. The mechanism can be simplified while reducing the entanglement of grain culms by eliminating the need for a star foil-like scraping ring disposed at the site.

[Brief explanation of the drawing]

FIG. 1 is a front view of an apparatus according to an embodiment of the present invention, FIG. 2 is a side view of the same, FIG. 3 is a plan view of the same, and FIG. 4 is a cross-sectional plan view of the main parts. Explanation of drawing symbols A, B, C, D... Division,
ab t c... Grain culm lifting device, 4...
- Lifting case, 5... Lifting lug, 6...
・Grain culm lateral feeding device, 61... Conveyance lug, 10.
... Information board, 11 ... Rear extension part, 12
・・・・・・Fold extension.

Claims (1)

[Scope of utility model registration request] A grain culm lifting device a located at the end behind a plurality of grain culm lifting devices a, l) and c installed in parallel on the left and right at the front end of the fuselage 2.
A grain culm cross-feeding device 6, which transports grain culms by means of a circulating transport lug 61, is placed at a position across from the grain culm pulling device b located between the grain culms. The grain culm pulling device b is installed with a long stroke in the left and right directions, and the front wall 41 of the lifting case 4 is extended on one side of the lifting case 4 of the grain culm pulling device b located in the middle. A guide plate 10 is provided which protrudes from the guide plate 10, and the guide plate 10 has a rear extension portion 11 extending rearward beyond the side of the side wall 42 of the lifting case 4 from the sideward projecting end of the guide plate 10; A folded extension part 12 extends from the rear end of the rear extension part 11 in a direction opposite to the protruding direction of the guide plate 10 to surround the rear wall 43 of the lifting case 4; A front extension part 13 extending forward from the extension end toward the other side of the lifting case 4 is installed integrally or integrally with the guide plate 10, and the rear extension part 11 and the front part are connected to each other. Each outer surface of the extension part 13 is formed into a guiding surface for the grain culm passing through both left and right sides of the lifting case 4, and the rear surface 12a of the folded extension part 12 is shaped into a grain culm conveying surface of the grain culm traversing device 6. A grain culm guiding device in a multi-row harvester, characterized in that it is configured on the grain culm guiding surface of the grain culm lateral feeding device 6, facing the front side of the stroke.