JP2548075B2 - Combine threshing 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 combine threshing device for threshing grain culms cut by a cutting section.

[0002]

2. Description of the Related Art Conventionally, Japanese Utility Model Laid-Open No. 61-170241.
As shown in, when the threshing part is opened to the side to perform maintenance and inspection of the handling room and the handling barrel, and replacement of the crimp net, the fulcrum shaft should be
Move the feed chain to the center and open the side of the threshing section.
There was a technique to make it.

[0003]

[0007] The prior art, but eliminates the tedious work effort to remove the feed chain, threshing section
Rotate the feed chain downward to the side to open it.
The maintenance of the handling cylinder or replacement of the crimp net.
Work from the space above the feed chain
Workers approach the threshing section over the feed chain
Not only is it troublesome, but also lift the feed chain at the end of work.
The heavy feed chain.
It may be difficult to lift and may be damaged due to damage to the fixing part.
There is a problem that the dry chain drops by its own weight. Also,
As shown in Japanese Patent Laid-Open No. 62-128734, a handle body side cover
There is also a technique to fix the crimp net by using the
The bar is connected to the side of the threshing unit via a fulcrum shaft, and
Since the cover is equipped with a sliding rod, the strength to support the sliding rod is
It is necessary for the cover and simplifies the cover structure and
There is a problem that the manufacturing cost cannot be reduced easily .

[0004]

Therefore, the present invention is intended for threshing.
A converter that stretches the feed chain in the front-back direction on one side of the unit.
The drive sprocket and driven sprocket
The chain rail that supports the sprocket at both ends
Guide chain and attach the chain rail horizontally.
A driven sprocket is attached via a horizontally rotating fulcrum shaft that is rotatably provided.
Connect the end of the chain rail on the
The bottom edge is abutted on the crimp net side edge of the grain part so that it can be separated and contacted.
Secure the handle side cover to the chain rail middle part.
And the threshing part via the horizontal pivot shaft and the lock mechanism.
The middle part of the chain rail that connects the front and rear ends to
With the crimp net fixed, the feed chain
Side wall of the threshing part
To lower the feed chain as before.
There is no troublesome lifting operation,
It is easier to separate or join the
In addition to being able to maintain
There is no need to change the pump net, and work on the side of the threshing part
The problem that the behavior of the vendor is regulated by the feed chain
Can be eliminated and is also handled by the chain rail that is supported by the threshing section.
Since the body side cover is attached,
The chain rail can also be used, and the cover structure can be simplified.
In addition, the manufacturing cost can be easily reduced and the
The pump net can be fixed properly .

[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 provided with (1) an engine section which is arranged at the rear right side of the machine chassis (3) and has an engine (15) provided therein;
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 sandwiching rod cover that covers the outside of the flap (21), and (25) is a lock member that holds the cover (18) closed.

A drive sprocket (26), which is a front rotating body, is provided at the front end of the lower chain rail (27), and is provided at the rear ends of the lower and upper chain rails (27) and (28). And a driven sprocket (30) as a rear rotating body, and a feed chain (5) is stretched over each of the sprockets (26) and (30). ) And the pivot plate (2)
9) An upper and lower horizontal pivot shaft (33) (3) is attached to a lower pivot plate (32) which is connected and fixed downward via a column (31).
4) are fixed to each other, and the feed chain (5) is supported by the fixed brackets (35) (36) on the threshing body side so as to be openable laterally via the fulcrum shafts (33) (34). are doing.

Further, a handle body side cover (38), which is a pressing member for pressing the lower end portion to the outer end portion (37a) of the crimp net (37) under the handle barrel (6), is attached to the chain rail. (27) (28) mounting frame (39) (4
0) and the tension roller (41) and the sprocket (42) of the feed chain (5) are attached to the chain rail (27) via a guide plate (42a) or the like, and the feed chain (27) is attached. The side cover (38), the tension roller (41), and the sprocket (42) are integrally rotated sideways when 5) is opened sideways. The feed chain (5) that conveys the threshing culms is also threshing part. (4) In a combine threshing device that can be opened laterally, in a threshing section (4), a crimp net (3
A handle side cover (38), which is a holding member for fixing and supporting 7) at a predetermined position, is attached inside the feed chain (5), and the feed chain (5) and the handle side cover (38) are integrated. To the left side of the handle cylinder (6) by laterally rotating the feed chain (5) to open the left side of the handle barrel (6), and to crimp the net (37) of the handle side cover (38).
It is configured to release the fixed operation.

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 engaging groove (50) of the lock plate (45), and the side cover (38) and the feed are fed. It is arranged to hold the chain (5) fixed 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 an input shaft (53) via a gear (54), and is connected to a sprocket shaft (55) of the drive sprocket (26) via a limit clutch (56). Are connected to each other to form a drive transmission system using a clutch claw of the limit clutch (56), thereby reducing the number of parts and improving durability as compared with the conventional pin connection system. In a combine threshing device in which a feed chain (5) for transporting culms is provided to be openable to the side of the threshing unit (4), a horizontal rotation fulcrum shaft that is a vertical axis so that the feed chain (5) is rotatable to the side. (33) A drive shaft (52) which is provided on the side of the threshing unit (4) via (34) and which is a drive unit on the machine side.
A sprocket shaft (55), which is a transmission connection portion detachably connected to the shaft, is provided on a side of the feed chain (5) remote from the horizontal rotation fulcrum shafts (33) and (34).

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 configured to minimize the amount of entry into the threshing body side and to prevent interference between the threshing body and the feed chain (5) while keeping the overall width of the machine body left and right within certain dimensions.

As is clear from the above, one of the threshing section (4)
On the side where the feed chain (5) is stretched in the front-back direction.
Drive sprockets (26) in Vine thresher
And a shaft for supporting the driven sprocket (30) at both ends.
The feed chain is attached to the rail (27) (28).
(5) is attached and the chain rails (27) and (28) are attached.
Horizontal rotation fulcrum shaft (33) provided so as to be rotatable in the horizontal direction
Chain on driven sprocket (30) side through (34)
The ends of the rails (27) and (28) are connected to the sides of the threshing unit (4).
The crimping net (37) side end of the threshing part (4)
The handle body side cover (38) for abutting the lower edge of the handle
The chain rail (27) (28) is integrally fixed to the middle part,
With the horizontal rotation fulcrum shafts (33) (34) and the lock mechanism
Front and rear ends of the threshing part (4) through a lock plate ( 45)
The middle of the chain rail (27) (28) connecting the parts
The crimp net (37) is fixed by a part.

This 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 dimension (t) from the feed chain (5) and is located closer to the threshing main 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 with the feed chain (5) 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.

FIG. 7 shows another modified structure example, in which the rotation fulcrum shafts (33) and (34) are detachably provided, and the feed chain (5) is removed by removing the fulcrum shafts (33) and (34). ) The whole is configured to be able to be pulled out to the front side outward, so that it is possible to prevent the feed chain (5) from becoming an obstacle during maintenance and inspection of the handling room, thereby improving workability.

[0016]

As is apparent from the above embodiments, the present invention is directed to the feed chain in the front-rear direction on one side of the threshing section (4).
In the combine threshing device for stretching (5),
Dynamic sprocket (26) and driven sprocket (30)
On the chain rails (27) (28) that support the
The feed chain (5) is attached to the chain rail.
(27 ) (28) A horizontal rotation that is rotatably provided in the horizontal direction.
Driven sprocket via the fulcrum shaft (33) (34)
Thresh the ends of the chain rails (27) and (28) on the (30) side.
Crimp net of the threshing part (4) by connecting to the side surface of the part (4)
(37) Handle body side portion whose lower end edge is in contact with and separated from the side end
Cover (38) inside the chain rails (27) (28)
It is integrally fixed to the space portion, and the horizontal rotation fulcrum shaft (33) (3
4) and through the locking mechanism (45) to the threshing part (4)
The chain rails (27) (2) that connect the rear ends to each other.
8) Fix the crimp net (37) by the middle part
Use the feed chain (5) and chain rail (2
7) Rotate the (28) in the horizontal direction, and the side of the threshing part (4)
Since it opens the feed chain (5)
There is no trouble of raising and lowering,
The operation of separating or joining the feed chain (5)
It is easier to perform than before and
Replace crimp net (37) over feed chain (5)
Workers on the side part of the threshing part (4) without the trouble of performing
Whose behavior is regulated by the feed chain (5)
Can be eliminated and the threshing part (4) can support it.
On the chain rails (27) (28), the handle side cover (3
8) is attached, so as a support member for the cover (38)
The chain rails (27) and (28) can also be used as
Simplified bar structure and reduced manufacturing cost
Can be performed and the crimp net (37) is also fixed properly
Is something that can be done .

[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.

FIG. 7 is an explanatory view showing another modified structure example.

[Explanation of symbols]

(4) Threshing part (5) Feed chain (26) Drive sprocket (27) (28 ) Chain rail (30) Driven sprocket (33) (34) Horizontal rotation fulcrum shaft (37) Crimp net (38) Handle side Part cover (45) Lock plate (lock mechanism)

Claims (1)

(57) [Claims] 1. Feeding in the front-back direction on one side of the threshing section (4)
Smell for combine threshing equipment that stretches the chain (5)
Drive sprocket (26) and driven sprocket
Chain rail (27) for pivotally supporting (30) at both ends
Attach the feed chain (5) to (28),
Install the rails (27) and (28) so that they can be rotated horizontally.
Driven through the horizontal rotation fulcrum shaft (33) (34)
Chain rail (27) (28) end on the rocket (30) side
Part of the threshing part (4), and the
Handle the bottom edge of the pump mesh (37) side to come into contact with and separate from it
Attach the trunk side cover (38) to the chain rails (27) (2).
8) The horizontal rotation fulcrum shaft (3
3) Threshing unit via (34) and lock mechanism (45)
The chain rail (2) for connecting both front and rear ends to (4)
7) (28) The crimp net (37) is connected by an intermediate portion.
A combine threshing device characterized by being fixed .