JPH1175485A - Grain culm-conveying apparatus in combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject apparatus capable of eliminating defect in performance for taking up grain culms at a feeder house inlet part, or deficiency such as coiling of the grain culms at the end part and capable of conveying reaped grain culms to a threshing part well by constituting the device by installing plural conveying cases having many tines attached to endless chains and constituted so as to move one by one. SOLUTION: This conveying apparatus in a combine harvester A reaping grain culms raked in by a raking reel 1 by a reaping blade 2, and supplying the reaped grain culms to a threshing part 6 by the conveying apparatus in a feeder house 4 is constituted by installing plural conveying cases 20 having many tines 21 attached to endless chains and constituted so as to move one by one. The plural installed conveying cases 20 are preferably installed so that the threshing part 6 sides may be compactly arranged from the reaping part side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain culm conveying device in a combine having a scraping reel, and more particularly, to a conveying device in a feeder house.

[0002]

2. Description of the Related Art Conventionally, in an axial flow type general-purpose combine, a grain stalk raked by a scraping reel is cut by a cutting blade, and the cut stalk is cut from a platform auger by a chain conveyor in a feeder house by a screw type. Threshing is sent to the threshing section equipped with the rotor.

[0003]

However, when the harvested grain culm is transported on the chain conveyor in the feeder house, the grain culm is not easily taken in at the entrance of the feeder house, and the grain culm is wound around at the terminal end. And the like. Therefore, an object of the present invention is to provide a grain culm conveying device in a combine that can solve such a problem and can satisfactorily convey a cut culm to a threshing unit.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a grain culm conveying device in a combine as described below. That is, in a combine that cuts the culm stalked by the raking reel with a cutting blade and supplies the cut culm to a threshing unit by a transfer device in a feeder house, the transfer device is attached to an endless chain. A grain culm conveying device in a combine, comprising a plurality of conveying cases having a large number of tines configured to move sequentially. The plurality of transport cases are arranged such that the threshing unit side is densely arranged from the mowing unit side.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below based on examples shown in the drawings. First, the axial flow type general-purpose combine (A) shown in FIG. 4 will be briefly described. The stalks are scraped by the scraping reel (1) and the cutting blade (2)
The grain stalks that have been cut and cut are transported from the platform auger (3) to the threshing unit (6) by the chain conveyor (5) of the feeder house (4), and the screw rotor (8) in the handling room (7) Threshed. The threshed by the rotor (8) falls from the receiving net (9) to the rocking sorter (10), and is sorted by the blower fan (11) such as Karino and the rocking sorter (10). (12)
Is a crawler for traveling, (13) is a control unit, (14)
Are slats attached to the chain conveyor (5) at regular intervals. Further, (15) is a vibration isolator made of an elastic body such as rubber which is fitted to the swing fulcrum.

In the above combine (A),
In the present invention, as shown in FIG. 1 and FIG. 2, instead of the chain conveyor (5) which is a transport device in the feeder house (4), a large number of endless chains are attached and configured to move sequentially. A plurality of transfer cases (20) having tines (21) were arranged in parallel. That is, as shown in FIG. 2, the transport case (2) is placed in the feeder house (4).
0) are arranged in parallel (three in the figure), and the culms collected at the entrance (4a) of the feeder house (4) by the platform auger (3) are tined by these transport cases (20). By (21), it conveyed to the threshing part (6). When the transfer device in the feeder house (4) is constituted by a plurality of transfer cases (20) having a large number of tines (21), the tines (21) are wrapped with the fingers (16) of the platform auger (3). Can be installed at the entrance (4
Since the succession performance of the grain stalk in a) is improved, and the tine (21) is stored in the transport case (20) at the terminal end, the grain stalk is not wrapped.

Further, as shown in FIG. 3, a plurality of transfer cases (20) are arranged close to each other so that the threshing unit (6) side is denser than the mowing unit side, that is, the platform auger (3) side. When the feeder house (4) is arranged in a fan shape in plan view and the shape of the feeder house (4) is formed so that the threshing section (6) side is tapered in accordance with the fan shape, the feeder house (4) and the end section (4b) of the feeder house (4) are formed. , Rotor (8)
The dead space between the impeller (8a) at the tip and the handling room (7) can be reduced, and the transfer performance from the tines (21) to the impeller (8a) can be improved. In addition, (17) is a spiral configured to have different heights in order to secure a space through which the cereal stem passes,
(18) is a throwing plate having a receding angle which allows the grain stalk to be reliably thrown into the feeder house (4).
(8b) is a screw part of the rotor (8).

On the other hand, as shown in FIG. 4, the lower part of a feeder house (4) in which a chain conveyor (5) is provided is opened, and a spiral conveyor (23) is provided via a crimping net (22). Then, coarsely threshing can be performed while the cut culm and the like pass through the feeder house (4). That is, fine grains and the like that can pass through the crimping net (22) can be transported by the spiral conveyor (23) below the feeder house (4), and the grains and the like transported by the spiral conveyor (23) are , Can be conveyed by the zeroth conveyor (24) newly provided in the threshing unit (6). Therefore, only the remaining stalks and the like that have been threshed to some extent are conveyed to the threshing unit (6) by the chain conveyor (5) and taken into the rotor (8), so that the power of the rotor (8) is reduced and the rotor is reduced. (8) The length can be reduced, and the machine can be made compact.

In this case, the chain conveyor (5)
The peripheral speed should be higher than usual. Specifically, the speed is usually about 10 m / s at 3 m / s. However, even at such a speed, the speed is lower than the peripheral speed (24 m / s) of the rotor (8). The floating phenomenon can be suppressed. At this time, the chain conveyor (5) is used as a belt belt conveyor (25), and the slats (14) are attached. The feeder house (4) and the belt conveyor (2) are used.
If a rubber seal (26) as shown in FIG. 5 is provided between the belt conveyor (5), it is possible to prevent grain stalks and the like from entering the inside of the belt belt conveyor (25).

In addition, as shown in FIG. 6, at the end of the feeder house (4), grain culms may be directly transferred from the chain conveyor (5) of the feeder house (4) to the impeller of the rotor (8). No auxiliary transport unit (2
7) is provided, and when the grain stalk is sent from there to the rotor (8), poor take-up at the impeller section, that is, rebound or return, stagnation in the feeder house (4), and rotation at the impeller section. Problems such as an increase in power of the vehicle can be eliminated. As shown in FIG. 6, a gutter (28) is extended obliquely downward so as to continue from the lower end of the feeder house (4), and is continued from the upper end of the feeder house (4). The culm drop plate (29) is extended obliquely downward. And
The auxiliary transport unit () is located at a lower position having a distance (L) from the center of the drive shaft (19) of the chain conveyor (5) in the feeder house (4) so that the cereal stem does not return into the feeder house (4). 27) Belt conveyor (3)
0) is arranged.

[0011] According to such a configuration, the grain stem thrown out by the slats (14) suspended from the chain conveyor (5) is naturally dropped from the terminal end (4b) of the feeder house (4). Lower belt conveyor (3
0), and the belt conveyor (30) is located sufficiently below that the cereals do not return into the feeder house (4). (4) Never return. Then, the grain culm that has fallen onto the belt conveyor (30) can be carried to the inlet of the rotor (8) by the belt conveyor (30), so that the grain culm can be supplied stably. Therefore, it is not necessary to provide an impeller portion at the tip of the rotor, so that the rotor can be shortened, and the return and poor take-up at the impeller portion can be eliminated. In addition, since the intake of the cereal stem into the rotor (8) is stabilized, the rotational power of the rotor (8) is stabilized. In addition, if the gutter (28) is provided with a vibrator function, the separation of the cereal stalks becomes good, and if the belt conveyor (30) is inclined at an obliquely downward angle, the rotor (8)
The efficiency of pouring into the container is improved.

As shown in FIG. 7, when the feeder house (4) is composed of two sets and the culm is transported in two stages, the height of the control section (13) can be reduced. This makes it possible to make the control section (13) compact. That is, platform auger (3)
The grain stalk inherited from the first feeder house (31) is transported by the chain conveyor (32) of the first feeder house (31) arranged substantially horizontally and substantially at the center between the traveling crawlers (12), and the first feeder house (31) The grain culm conveyed by the chain conveyor (32) of (31) is inherited and conveyed by the chain conveyor (34) of the second feeder house (33), which conveys in a substantially vertical direction, and the grain culm is transferred to the rotor (8) therefrom. Configure to supply. At this time, the chain conveyor (32) of the first feeder house (31) is rotationally driven by the drive shaft (35) on the threshing unit (6) side. According to such a configuration, the control unit (1)
3) can be arranged in front of the threshing unit (6) and above the feeder house (4), so that the height of the entire body can be reduced, and the traveling crawler (12) is moved forward. It is also possible to arrange them.

As shown in FIGS. 8 and 9, the left side plate (7a) side of the handling room (7) in the body traveling direction and the upper side of the rotor (8) are protruded to make a large space portion, and Impeller part (8a) in the space part on the plate (7a) side
A passage inlet (36) is provided for directly taking in the culm thrown out of the rotor and flowing to the screw portion (8b), and a culm passage outlet (37) is provided in a space above the rotor (8). According to such a configuration, the impeller section (8a)
The grain culm taken in by the screw can be thrown down to the screw succession part (38) with reduced resistance, and the grain culm taken in by the lowermost part of the impeller can be delivered by the uppermost part of the screw. And by throwing the cereal stem uniformly into the screw part (8b) at the top of the rotor,
It is possible to completely eliminate the return of the cereal stem to the impeller section (8a). The shape of the passage at this time is such that the speed of the grain stem thrown out by the impeller portion (8a) is not reduced, and the length of the passage in the axial direction is set to the impeller portion (8a).
a) The length is set to be equal to or longer than the length of the impeller (8a) so that the grain stalk does not return. Alternatively, the retreat angle may be applied only to the entrance of the impeller (8a), and the cereal stem may be fed to the left side plate (7a) having a wide space.

Further, as shown in FIG. 10 (a), the rocking sorters (39) and (40) are provided on the side walls (41) located on both sides of the rocking sorters (39) and (40) provided before and after. If a leaf spring (42) that curves to the side is mounted or a side seal portion (43) is provided, the swinging sorters (39) and (40) can always be positioned at the center, and FIG. As shown by, when the space portions (S1) and (S2) in the body width direction are provided in the bearing fixing portion (45) of the connecting arm (44), even if the dimensions in the body width direction vary, the bearing can be formed. Since it can move in the width direction, the stress can be reduced.

In any case, according to the grain culm conveying apparatus of the present invention, when the cut culm is conveyed in the feeder house, the grain culm taking-in property at the entrance of the feeder house or the end of the grain culm may be reduced. This makes it possible to prevent troubles such as wrapping of the grain stalk, and to convey the harvested grain stalk to the threshing unit satisfactorily. Needless to say, the present invention is not limited to those shown in the drawings, and can be appropriately changed in design within the spirit of the present invention.

[0016]

According to the present invention, the transfer device in the feeder house is constituted by arranging a plurality of transfer cases having a large number of tines attached to an endless chain and configured to move sequentially. So you can wrap the tines with the platform auger fingers,
At the entrance, the inheritance of the grain stalk is improved, and at the end, the tine is stored in the transport case. In addition, a plurality of transport cases arranged side by side
Since the threshing unit side is densely arranged from the reaping unit side, the dead space between the end of the feeder house and the handling room at the impeller at the tip of the rotor can be reduced, and the transfer performance from the tine to the impeller is improved. Can be done.

[Brief description of the drawings]

FIG. 1 is a side view of a combine according to the present invention.

FIG. 2 is a schematic plan view of the above.

FIG. 3 is a schematic plan view of the above.

FIG. 4 is a side view of a combine in which a spiral conveyor is arranged at a lower part of a feeder house.

FIG. 5 is a schematic sectional view of a feeder house.

FIG. 6 is a schematic side view of a combine provided with an auxiliary transport unit.

FIG. 7 is a schematic side view of a combine provided with two sets of feeder houses.

FIG. 8 is a schematic front view of a threshing unit.

FIG. 9 is a schematic plan view of the above.

10A is a plan view of a swing sorting machine, and FIG. 10B is a cross-sectional view of a connecting arm.

[Explanation of symbols]

 A Combine 1 Scraper Reel 2 Cutting Blade 3 Platform Auger 4 Feeder House 5 Chain Conveyor 6 Threshing Section 7 Handling Room 8 Rotor 10 Swing Sorter 11 Blower Fan 12 Crawler for Traveling 13 Operating Section 14 Slat 16 Finger 20 Transport Case 21 Tyne

Continued on the front page (72) Inventor Junichi Masano 1-32 Chaya-cho, Kita-ku, Osaka-shi, Osaka Inside Yanmar Agricultural Machinery Co., Ltd. (72) Inventor Yuichi Shinfuku 1-32 Chaya-cho, Kita-ku, Osaka, Osaka Yanma -Inside Agricultural Machinery Co., Ltd. (72) Inventor Tetsuro Eto 1-32 Chayamachi, Kita-ku, Osaka-shi, Osaka Yanmar-Within Agricultural Machinery Co., Ltd. (72) Kozo Kitayama 1-32, Chaya-cho, Kita-ku, Osaka, Osaka Yanmaー Agricultural Machinery Co., Ltd.

Claims (2)

[Claims] 1. A combine harvester for cutting a grain stalk raked by a scraping reel with a cutting blade and supplying the cut stalk to a threshing unit by a transfer device in a feeder house, wherein the transfer device is connected to an endless chain. A grain culm conveying device in a combine, comprising a plurality of conveying cases having a large number of tines attached and configured to move sequentially. 2. The grain culm conveying apparatus in a combine according to claim 1, wherein the plurality of conveying cases arranged in parallel are arranged so that the threshing unit side is densely arranged from the reaping unit side.