JPH0731A - Combine threshing equipment - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] The objective of the present invention is to easily open the threshing side surface by rotating the feed chain laterally and to attach the feed chain compactly to the side surface of the threshing body. In a structure in which a feed chain 5 that conveys threshing culms is provided to the side of the threshing unit so that it can be opened, a horizontal rotation fulcrum shaft 33 of the feed chain 5 that opens to the side of the threshing unit is
It is characterized in that it is provided closer to the threshing main body than the feed chain 5 at a position outside the rotary shaft 57 of the chain rotating body 30 that supports the end of the feed chain 5 and further toward the end.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine threshing device for threshing grain culms cut by a cutting section.

[0002]

2. Description of the Related Art Conventionally, when the side of the threshing section is opened to perform maintenance and inspection of the handling room and the handling barrel and replacement of the crimp net,
It was necessary to remove the feed chain etc.

[0003]

The above-mentioned prior art is extremely inefficient because it requires a troublesome work for removing the feed chain, and when the feed chain is provided on the side of the threshing unit so as to be freely opened, In order to prevent the components of the feed chain from interfering with the side wall of the threshing part, it is necessary to separate the feed chain from the side face of the threshing part, and there is a problem that the lateral width of the machine cannot be made compact easily. It was

[0004]

SUMMARY OF THE INVENTION Therefore, according to the present invention, in a structure in which a feed chain for transporting threshing culms is provided to the side of the threshing section so as to be opened, horizontal rotation of the feed chain opening to the side of the threshing section. The fulcrum shaft is provided closer to the threshing body than the feed chain at a position outside the rotation axis of the chain rotating body that supports the end of the feed chain. It is possible to easily reduce the entrance amount to the threshing main body side than before, to reduce the distance from the threshing main body side to arrange the feed chain, and thus to make the lateral width of the machine compact. At the same time, when the feed chain is opened, the feed chain moves in a direction away from the drive shaft on the machine side, so that the driving force transmission structure of the feed chain can be easily simplified. It is.

[0005]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a side view of a feed chain portion, FIG. 2 is an overall side view of a combine, and FIG. 3 is a plan view of the combine, in which (1) is a track frame on which a traveling crawler (2) is mounted, and (3). Is a machine frame installed on the track frame (1), and (4) is a threshing section in which a feed chain (5) is stretched on the left side and a handling cylinder (6) and a processing cylinder (7) are built in,
(8) is a mowing unit including a cutting blade and a grain culm transport mechanism,
(9) is an straw processing unit that faces the end of the straw chain (10), and (11) is a driver's seat (12) and a driving operation unit (13).
A driver's cab, (14) is an engine section which is provided in the rear part on the right side of the machine stand (3) and internally mounts the engine (15), (1
6) is a grain tank which is arranged in front of the engine section (14) and stores the grain from the threshing section (4), and (17) is a discharge for taking out the grain in the grain tank (16) to the outside. It is an auger and is configured to continuously perform cutting and threshing work.

As shown in FIGS. 4 to 6, the upper side wall cover (18) of the threshing section (4) is provided to be openable upward, and the feed chain (5) is opened to the left side of the threshing section (4). It is provided freely, and it is attached to the column (19) of the cover (18) via the frame (20).
1) is connected and supported, and the base end of the cover (18) is openably and closably supported by a fixed bracket (22) on the threshing body side via a fulcrum shaft (23). Incidentally, (24) is a flap cover that covers the outside of the flap (21), and (25) is a lock member that closes and holds the cover (18).

Further, the feed chain (5) is provided with a drive sprocket (26) which is a front rotating body at the front end of the lower chain rail (27) and at the rear ends of the lower and upper chain rails (27) (28). Each of the sprockets (26) (30) is provided with a driven sprocket (30) which is a rear rotating body on an upper pivot plate (29) which is a fixed winding prevention plate.
A feed chain (5) is stretched on the lower end of the pivot plate (29) and a lower pivot plate (32) which is connected and fixed to the lower part of the pivot plate (29) through a column (31). The upper and lower horizontal rotation fulcrum shafts (33) (34) are fixed respectively, and the feed chain (5) is attached to the fixed brackets (35) (36) on the threshing body side through the fulcrum shafts (33) (34). It is configured so as to be openably supported laterally.

Further, the handling rail side cover (38) for pressing the lower end portion against the outer end portion (37a) of the crimp net (37) under the handling barrel (6) is provided with the chain rail (27).
The chain rail is integrally connected to the (28) via mounting frames (39) and (40), and the tension roller (41) and the sprocket (42) of the feed chain (5) are connected to the chain rail via a guide plate (42a) or the like. (27), the side chain (38), the tension roller (41), and the sprocket (42) are integrally rotated laterally when the feed chain (5) is opened laterally. There is.

When the feed chain (5) is closed, the locking pin (43) of the front side plate (38a) of the side cover (38) is locked to the threshing front side plate (44).
5), the lock plate (45) is held in position on the front side plate (44) via the support shaft (46), the stopper pin (47) and the spring (48), and the side cover ( 38) is closed, the pin (43) contacts the guide lever (49) fixed to the lock plate (45),
The lock plate (45) is pushed downward against the spring (48), the pin (43) is engaged with the pin engagement groove (50) of the lock plate (45), and the side cover (38) and The feed chain (5) is arranged to be fixedly held in the closed position.

A drive case (51) fixed to the body of the threshing unit (4) is provided with a drive shaft (52) for driving the feed chain (5).
2) is connected to the input shaft (53) via a gear (54), and the drive shaft (52) is freely connectable and disconnectable to a sprocket shaft (55) of the drive sprocket (26) via a limit clutch (56). Are coupled and connected to each other to provide a drive transmission system using the clutch pawls of the limit clutch (56), so that the number of parts is reduced and durability is improved as compared with the conventional pin coupling system.

Further, the fulcrum shafts (33) and (34) supporting the rear end side of the feed chain (5) are located at a rear position of a size (t) from the sprocket shaft (57) of the driven sprocket (30). It is arranged closer to the threshing body side than the feed chain (5), and when the feed chain (5) is opened, the pivotal plate (29) is the rearmost end of the chain (5).
(32) is designed to prevent the interference between the threshing body and the feed chain (5) while minimizing the margin of the (32) entering the threshing body side and suppressing the overall width of the machine body within a certain dimension. In a structure in which a feed chain (5) that conveys grain culms is provided to the side of the threshing unit (4) such that it can be opened, a horizontal rotation fulcrum shaft (33) of the feed chain (5) that opens to the side of the threshing unit (4) (34) is provided closer to the threshing main body than the feed chain (5) at a position further outward than the rotary shaft (57) of the chain rotating body (30) supporting the end of the feed chain (5). There is.

The present embodiment is constructed as described above, and the rotary fulcrum shafts (33) and (34) for supporting the feed chain (5) in an openable manner are connected to the sprocket shaft () of the driven sprocket (30). 57) is located at the rear of the size (t) from the feed chain (5), and is arranged closer to the threshing body side than the feed chain (5). Therefore, when the feed chain (5) is opened, the pivoting plate (29) ( 32) The amount of the trailing edge entering the threshing body side is minimized, and there is no inconvenience such as interference in the condition that the entire width of the machine is kept within a certain dimension without the feed chain (5) protruding outside the threshing body. You can perform various opening work.

Further, when the feed chain (5) is opened for rotation, the chain rails (27) (2) are provided while the feed chain (5) is wound around the drive sprocket (26).
8) and the like, the feed chain (5) can be easily opened and the work efficiency is excellent. Moreover, when the feed chain (5) is opened, the handle body side cover (38) is opened. ) Is also pulled out at the same time and threshing part (4)
Since the side surface is in an open state, inspection and maintenance of the handling room and replacement of the crimp net (37) can be performed conveniently.

[0014]

As is apparent from the above embodiments, the present invention has a structure in which a feed chain (5) for transporting threshing culms is provided laterally on the threshing section (4) so that the threshing section (4) can be opened. The horizontal rotation fulcrum shafts (33) and (34) of the feed chain (5) that are opened to the side are further provided than the rotary shaft (57) of the chain rotating body (30) that supports the end of the feed chain (5). Since it is provided closer to the threshing body than the feed chain (5) at the outer end position, it is easier to insert the feed chain (5) end into the threshing body side when the feed chain (5) is opened than before. The feed chain (5) can be arranged by reducing the distance from the threshing body side from the conventional one, and thus the lateral width of the body can be made compact and the feed chain ( When 5) is opened, this machine Since the relative drive shaft (52) moves in the direction feed Chen (5) leaves, it is capable of performing such an easily simplify the driving force transmitting structure of the feed chain (5).

[Brief description of drawings]

FIG. 1 is a side view illustrating a feed chain section.

FIG. 2 is an overall side view of the combine.

FIG. 3 is a plan view of the same.

FIG. 4 is a cross-sectional explanatory view of a threshing unit.

FIG. 5 is an explanatory plan view of a feed chain portion.

FIG. 6 is an explanatory diagram of the same portion.

[Explanation of symbols]

 (4) Threshing part (5) Feed chain (30) Sprocket (chain rotating body) (33) (34) Horizontal rotation fulcrum shaft (57) Sprocket shaft (rotating shaft)

Claims (1)

[Claims] 1. In a structure in which a feed chain for transporting threshing culms is provided laterally on the threshing section side, a horizontal swing fulcrum shaft of the feed chain opening laterally on the threshing section is provided at the end of the feed chain. A combine threshing device, characterized in that it is provided closer to the threshing body than to the feed chain at a position outside the rotation shaft of the chain rotating body to be supported.