JPS6014355Y2 - Conveyor device behind harvesting in combine harvester - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a reaping rear conveyance device that is configured to combine the culms that are transferred from the reaping side to the rear in the left and right conveyance paths and supply them to the threshing section.

In the above device, the rear parts of the left and right conveyance passages are connected and merged at the rear part of the left conveyance passage via a horizontal conveyance passage, and a conveyance cheno for conveying the stock part of the culm is installed at the lower part of the conveyance passage. At the same time, an upper conveying body is installed in the upper part of the conveying path to convey the tip side of the culm,
Since the culms transported in multiple passages must be fed to the threshing section while changing their posture to a sideways posture, it is especially important to transport the culm base side at the culm merging section and its vicinity. The cheno and the tip conveyor that transports the tip side of the husk must work together properly to smoothly merge and convey the culm without stagnation or complicated wet slipping.
Conventionally, there have been methods that independently elucidate the shell-culm merging transport side (for example, Japanese Utility Model Application No. 52-78627), and methods that independently elucidate the upper transport side (Japanese Utility Model Application No. 51-35535).
However, there is no structure relating to a merging section in which both the stock head and the tip conveying section engage with each other.

Therefore, with the conventional type constructed by combining the above-mentioned single elucidation structures, problems such as the culm becoming sluggish and complicated near the confluence, or the transfer to the attitude changing conveyance unit not being carried out smoothly. It's happening.

Therefore, the present invention provides a combine harvester configured to communicate and merge the end of a horizontal conveying passage extending leftward from the rear part of the right conveying passage with the rear part of the left conveying passage and conveying the shell culm to the rear. The present invention has been improved so that the culm merging conveyance can be carried out without disturbance, taking into consideration the relationship between the same device for conveying the culm stock and the tip of the husk.

Next, the embodiment shown in the drawings will be described.

Figure 1 shows a plan view of a four-row harvester, in which a threshing section 3 having a foot chain 9 and a handling barrel 13 is mounted on the left side of the machine, and a straw cutter 14 at the rear of the threshing section 3 is used to remove straw. A control column 16 and a seat 17 are installed at the front and rear of the right front part of the fuselage body, and a paddy receiving part 18 and an engine part 19 are respectively installed in the same manner as the conventional structure.

In addition, at the forefront of the aircraft, large dividers 20, 20', 2G' are provided on the left and right and in the middle, and small dividers 20a, 20a' are provided on the left and right sides between them, respectively, and on the left and right sides from the center, respectively. Tine-type lifting cases 21, 21, 21', and 21' are installed obliquely, and above the cutting blades (not shown) installed horizontally on the lower side of each case, there are a pair of star wheels 22 that engage with each other on the left and right sides. ,22,22
', 22' are arranged side by side and constructed in the same manner as the conventional structure.

A main conveyance path I extends rearward between the left star foils 22, 22, and both right star foils 22', 2
2', a right conveyance passageway mouth is extended rearward, and from the rear of the passageway mouth to the left, it extends to a horizontal conveyance passageway so as to communicate with the rear part of the main conveyance passageway A. The rear part and the terminal end to the horizontal conveyance passage are formed into a confluence part 2, and on the upper tip side, a front center cover A is installed in front of the horizontal conveyance passage 1 between the left and right conveyance passages A and the mouth. A left cover C is installed on the left side of the main conveyance passage A, and a rear cover B is installed from the right side of the right conveyance passage opening to the rear of the horizontal conveyance passage and further above the supply plate 23 of the threshing section 3. Install and configure.

Further, the horizontal conveyance passage C extends in a substantially straight line in the horizontal direction, and a thin protrusion 1 is formed at the rear left side of the front central cover A that faces the merging section 2 at the end thereof. death,
A portion of the rear cover B corresponding to the protruding portion 1 is formed with a protruding portion 2 that protrudes in a circular shape, and a double force bar that is formed linearly along the horizontal conveyance path that extends linearly. The edges of A and B are shaped so that the parts leading to the protruding part 1 and the protruding part 2 have the same curved edge 1ay2a facing backward, and from the rear of the protruding part 2 to the supply plate 23 of the threshing part 3. The ear tip conveyor 4 is arranged to extend in a long and narrow manner below the rear edge 24 of the rear cover B that extends over the entire area, and the tines 4 of the ear tip conveyor 4
A is configured to move rearward while projecting outward from the lower side of the projecting portion 2 along the edge 24.

An upper right conveyor 7 and a lower right conveyor chino 8 are respectively installed above and below the front center cover A, and the clamping surfaces of the tines 7a of the upper right conveyor 7 and the lower right conveyor chino 8 are connected to the right conveyor. It is constructed in a similar triangular shape to a structure that can be moved to convey the culm along the road entrance and the lateral conveyance path.

Further, upper left carrier 5 and lower left carrier chino 6 are installed above and below the left cover 〇.
The tines 5a and the clamping surfaces of the lower left conveyance chenograph 6 are arranged so that the culm can be conveyed along the main conveyance path A to the rear of the confluence part 2, Sprocket 2 so that it is tilted diagonally backward in plan view.
5, 25' to extend the straight part 6a, and the terminal part 1
The starting end lea of the vertical conveyance chain 710, which extends obliquely so that 0b approaches the starting end side of the foot chain 9, is connected to the straight section 6.
It is constructed so as to be close to and parallel to a in plan view.

In the merging section 2, at the rear of the terminal end to the horizontal conveyance passage, a transfer foil 11 is installed on the vertical shaft 11a, which can feed the culm from the side of the horizontal conveyance passage C to the rear side of the main conveyance passage I. A slightly longer auxiliary culm 12 is connected to the spring plate 27 extending from the support 26 below the transfer foil 11, and the auxiliary culm 12 is connected to the lower left conveyor cheno 6 from the merging section 2 side. The straight portion 6a is configured to extend in this manner.

Therefore, when performing combine harvesting work, of the four culms, the left two culms are pulled up by the left lifting cases 21°21, and the right two culms are pulled up by the right lifting cases 21' and 21'. 22.22.2 Star foil 22.22.2
2', 22'.

After the two husk culms on the left are scraped by the star foils 22 and 22, the culm side is conveyed by the lower left conveyance chenograph 6, and the ear side is conveyed by the tines 5a of the left upper conveyor 5, respectively, to the main conveyance passage. On the other hand, the two husk culms on the right are scraped by star foils 22', 22', and then the culm side is transferred to the lower right conveyor chino 8, and the tip side is transferred to the tine 7a of the upper right conveyor 7. and is conveyed from the right conveyance passageway mouth to the terminal side of the horizontal conveyance passageway.

The culm side of the culm extending from the horizontal conveyance passage to the confluence section 2 is pushed toward the rear side of the lower left conveyance chain 6 by the rotating transfer foil 11, merges with the culm on the main conveyance passage A side, and is transferred horizontally. The tip side of the shell culm from the passage to the confluence part 2 is guided rearward along the same curved edges 1a and 2a, and the tip side of the shell culm from the passage A and 8 is guided in the transport direction by the protrusion 1. It merges towards the river, and there is no complicated slipping.

The tip side leaning against the protruding part 2 is conveyed along the edge 24 of the rear cover B by the tines 4a coming out from the lower side of the protruding part 2.

The culm sides of the culms that have merged at the merging section 2 are assisted by the auxiliary culm 12, and are conveyed as they are by the rear straight section 6a of the lower left conveyance chain 6, so that they are parallel to the straight section 6a in the plane. The vertically conveyed chain 10 is transferred to the starting end lea of the culm without shifting or winding. The grains are conveyed by the tines 4a of the ear tip conveyor 4, sent to the supply plate 23, and supplied to the threshing section 3.

In this way, the present invention has the left and right conveyance passageways (A) and mouths extending rearward from the reaping side, and the terminal end of the horizontal conveyance passageway (C) extending leftward from the rear of the right conveyance passageway opening to the main conveyance passageway (I). In a combine harvester configured to communicate and merge at the rear and convey the culm to the rear, a lower conveyor cheno 6 installed at the lower left side of the main conveyor passage A is provided at the rear of the lower conveyor cheno 6, as viewed from the rear and outward from the confluence section 2 of the merge. The inclined straight part 6a is extended,
The starting end 10a of the vertical conveyance cheno 10 that inherits and supplies the culm side to the foot chain 9 side of the threshing section 3 is brought close to the straight section 6a in plan view, and on the upper ear side, the culm side is transferred horizontally. A protruding part 1 is formed at the rear of the front center cover A that extends into the confluence part 2 that is the terminal end side to the passage, and a protruding part 2 that protrudes in a circular shape is formed in a portion of the rear cover 8 that corresponds to the protruding part 1.
forming a curved edge 1a of the same shape to form the terminal end to the horizontal conveyance path.
t2a, and the tip conveying body 4 is installed from the bottom side of the upper projecting part 2 toward the rear, so that the left and right conveying passages 1 and 2 converge by conveying the mouth to the culm base side of the culm. can be passed along the rear straight part 6a of the lower conveying chino 6 to the vertical conveying chino 10 from the straight part 6a without shifting or winding, and the tip side is connected to the protruding part 1. At the terminal end of the horizontal conveyance path, the protruding portion 2 merges with the shell culm conveyed by the main conveying path A to the rear side in an orderly and orderly direction without slipping, and from the bottom of the protruding portion 2. Since the tip conveyor 4, which is provided toward the rear, takes over, the merged culm can be lifted and conveyed smoothly to the foot chain 9 side, and has a feature that can be carried out suitably.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is a plan view of the combine harvester, FIG. 2 is a plan view of the main parts, FIG. 3 is a part of FIG. 2, and FIG. 5 shows a lower part of FIG. 2, FIG. 6 shows a lower part of FIG. 5, and FIG. 7 shows a part of FIG. 6. A...Left conveyance passage, Mouth...Right conveyance passage, C...Horizontal conveyance passage, 6...Lower conveyance chest, 6a...・Straight section, 9...foot chain, 10...vertical conveyance chain, 10a.
...Starting end, 1...Protrusion, 2...
...Banking part, 3...Thresting part, 4...Ear tip conveyor, 1ay2a...Curved edge, 6a...
...Straight line part, A...Front center cover, B...
... Rear cover.

Claims (1)

[Scope of utility model registration request] The mouths of the left and right conveyance passageways A extend rearward from the reaping side, and the end of the horizontal conveyance passageway extending leftward from the rear of the right conveyance passageway mouth is connected and merged with the rear of the main conveyance passageway A. In a combine harvester configured to convey husks,
At the rear of the lower conveyance cheno 6 installed at the lower left side of the main conveyance passage A, a straight line part 6a is provided which is inclined outward from the confluence part 2 of the confluence in plan view. The starting end 10a of the vertical conveyance chino 10 that inherits and supplies the culm side to the foot chain 9 side is brought close to the straight section 6a so as to be parallel to the straight section 6a in plan view, and the upper tip side is directed to the horizontal conveyance path. A protruding part 1 is formed at the rear of the front center cover A that extends into the confluence part 2, which is the terminal end side of the cover A, and a protruding part 2 that protrudes in a circular shape is formed in a portion of the rear cover 8 corresponding to the protruding part 1. Reaping rear conveyance in a combine harvester, characterized in that the terminal end to the horizontal conveyance path is constituted by a similar curved edge 1aw2a, and the ear tip conveyor 4 is provided from the lower side of the projecting part 2 toward the rear. Device.