JP3286915B2 - Threshing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to relates to Konbai down which is adapted to the threshing process the culms that remove all laminae in the reaper.

[0002]

SUMMARY OF THE INVENTION Conventionally, JP-A-61-1
As shown in Japanese Patent No. 2213, when the side of the threshing unit is opened to perform maintenance and inspection of the handling room and the handling cylinder and exchange of the receiving net,
There is a technique in which a feed chain is moved around a fulcrum shaft to open the side of the threshing unit. According to the above-mentioned conventional technology, the troublesome work of removing the feed chain can be omitted, but since the feed chain is rotated downward and opened to the lower side of the threshing unit side, the maintenance inspection of the handling cylinder or the replacement of the receiving net is performed in the upper part of the feed chain. It must be done from the space, and it is troublesome for the worker to approach the threshing section through the feed chain, and it is necessary to lift the feed chain to the original position at the end of the work, and to hold the heavy feed chain. There is trouble to raise. Further, by bolting fixes the feed chain-side threshing section side, since lowering rotating feed chain by removing the bolts, such that not easily done by work skill each operation of the desorption of the lifting bolt feed Cheng There is a handling problem.

[0003]

According to the present invention, a feed chain stretched in the front-rear direction is mounted on a side of a threshing unit via a vertical axis so as to be movable in a lateral direction, and the feed chain is connected to a side of the threshing unit. is connected by detachable hooks, hook to connect the operating lever, it is arranged in front Symbol hook and pin to face the threshing portion and the feed chain side, of the threshing section
The upper cover and the clamping rod of the feed chain are integrated
The feed chain is configured to be movable upward and
The side cover that covers the handle barrel side to be installed inside the threshing section
Both are configured to be movable from the side of the threshing unit, and since the feed chain is rotated to open the threshing unit side surface, there is no burden to attach and detach the feed chain as in the conventional case, and the threshing unit side surface On the other hand, the operation of separating or joining the feed chain can be performed lighter than before, and there is no need to exchange the receiving net over the feed chain as in the past, and the action of the operator on the side of the threshing unit is not affected by the feed chain. eliminating the problem is restricted by the resulting, also give perform rotating operation of the feed chain in only disengagement operations of the hook easily by create skilled each operation of the rotation desorption sequence of the threshing portion side of the feed chain It performed obtained, resulting aims to facilitate and simplify the handling operations, further, since to face disposed a hook and pin threshing portion and the feed chain side, moving the own <br/> resident feed Choi Can be easily configured with pins and hooks, the feed chain side can be firmly supported by the vertical axis, pins and hooks, reducing the generation of vibration noise and deformation damage on the feed chain side, and reducing the engagement function. Improvement can be easily achieved.

[0004]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is an explanatory 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 same, where (1) is a track frame on which a traveling crawler (2) is mounted, and (3) Is a machine frame installed on the truck frame (1), (4) is a threshing unit in which a feed chain (5) is stretched to the left and a handling drum (6) and a processing drum (7) are built in, (8). ) Is a mowing section provided with a cutting blade and a grain culm transport mechanism, (9) is a straw processing section that faces the end of a straw chain (10), (11) is a driver's seat (12) and an operation section (1).
A driver's cab provided with 3), an engine section (14) provided at the rear right side of the machine chassis (3) and an engine (15) provided therein;
A grain tank (16) is disposed in front of the engine unit (14) to store grains from the threshing unit (4), and (17) takes out grains in the grain tank (16) to the outside. It is a discharge auger and is configured to perform continuous harvesting and threshing work.

As shown in FIGS. 4 to 6, an upper wall cover (18) of the threshing unit (4) is provided to be openable upward, and the feed chain (5) is opened to the left of the threshing unit (4). The support rod (2) is provided on the support (19) of the cover (18) via a frame (20).
1) is connected and supported, and the base end of the cover (18) is supported on a fixed bracket (22) on the threshing body side via a fulcrum shaft (23) so as to be openable and closable. In addition, (24) is a clamping rod cover which covers the outside of the clamping rod (21), and (25) is a lock member for closing and holding the cover (18).

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 fixedly mounted, and the feed chain (5) is supported on the fixing brackets (35) and (36) on the threshing body side via the fulcrum shafts (33) and (34) so as to be openable to the side. are doing.

Further, the handle rail side cover (38), whose lower end is pressed against the outer end (37a) of the crimping net (37) below the handle cylinder (6), is connected to the chain rail (27).
(28) via a mounting frame (39) (40) and a tension roller (41) and a sprocket (42) of the feed chain (5) via a guide plate (42a). (27), when the feed chain (5) is opened to the side, the side cover (38), the tension roller (41), and the sprocket (42) are integrally rotated sideways. I have.

When the feed chain (5) is closed, the locking pin (43) of the front plate (38a) of the side cover (38) is fixed to the lock plate (4) on the threshing front plate (44).
5), the lock plate (45) is held on the front side plate (44) via the support shaft (46), the stopper pin (47) and the spring (48), and the side cover ( 38) When the pin (43) is closed, the pin (43) abuts on a guide lever (49) fixed to the lock plate (45),
The lock plate (45) is pushed downward against the spring (48), and the pin (43) engages with the pin engagement groove (50) of the lock plate (45), and the side cover (38) and the feeder The chain (5) is configured to be fixedly held in the closed position.

A drive case (51) fixed to the threshing unit (4) body 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 and connected to each other to form a drive transmission system using the clutch claws of the limit clutch (56), thereby reducing the number of parts and improving durability as compared with the conventional pin connection system, and transporting the grain hulls for threshing. A feed chain (5) is provided so as to be openable to the side of the threshing unit (4), and the feed chain (5) is rotatable about a horizontal rotation fulcrum shaft (33) (34) which is a vertical axis. And a drive shaft (52) 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 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 position rearward from the sprocket shaft (57) of the driven sprocket (30) by a distance (t), It is arranged closer to the threshing body side than the feed chain (5), and when the feed chain (5) is opened, a pivot plate (29) which 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 amount of entry into the threshing body side of (32) and keeping the overall width of the machine right and left within certain dimensions. In a structure in which a feed chain (5) for transporting grain culm is provided to be openable to the side of the threshing unit (4), a horizontal rotation fulcrum shaft (33) of the feed chain (5) opening to the side of the threshing unit (4). (34) is provided at a position further outward than the sprocket shaft (57) of the sprocket (30) supporting the end of the feed chain (5) and closer to the threshing body than the feed chain (5). .

As is apparent from the above description, the feed chain (5), which is stretched in the front-rear direction, is slidably movable in the horizontal direction via the horizontal rotation fulcrum shafts (33) (34) which are the vertical axes. ) Lock plate (45) which is a hook attached to the side surface and which can hook and detach the feed chain (5) side to the threshing unit (4) side
The guide lever (49), which is an operation lever, is connected to the lock plate (45), and the guide lever (49) is rotated in the direction of rotation of the feed chain (5) about the horizontal rotation fulcrum shafts (33), (34). ) threshing section (4) side and the feed chain (5) side is provided opposite the locking plate (45) and locking pin engaging and disengaging actuates (43) a threshing unit
The upper side cover (18), which is the upper cover of (4), and
The clamping rod (21) of the feed chain (5) is integrally lifted.
And the feed chain
(5) to the inside of the threshing unit (4)
The side of the threshing unit (4) with the side cover (38) to cover
The unit is configured to be movable . Then, the feed chain (5) is rotated in the horizontal direction to open the side of the threshing unit (4), and there is no burden of lowering and raising the feed chain (5) as in the related art, so that the threshing unit (4) is not loaded. ) The operation of separating or joining the feed chain (5) to the side surface can be performed lighter than before, and it is troublesome to exchange the receiving net such as the crimp net (37) through the feed chain (5) as in the conventional case. This eliminates the problem that the action of the worker on the side of the threshing unit (4) is restricted by the feed chain (5) , and the horizontal rotation of the feed chain (5) is achieved only by engaging and disengaging the lock plate (45). Operation, the operation of attaching and detaching the feed chain (5) to and from the side of the threshing unit (4) and the horizontal rotation are performed by a smaller number of workers than in the past. Board 45) and the locking pin (43) are disposed opposite to the threshing unit (4) and the feed chain (5), and the locking and fixing structure of the horizontally rotatable feed chain (5) is fixed to the locking pin (43). ) And a lock plate (45), a horizontal rotation fulcrum shaft (33) (34), a locking pin (43) and a lock plate (4).
The feed chain (5) side is firmly supported by 5),
Vibration noise generation and deformation damage on the feed chain (5) side are reduced, and the engagement function is improved.

The present embodiment is constructed as described above, and the rotating fulcrum shafts (33) and (34) for supporting the feed chain (5) in an openable manner are connected to the sprocket shaft (30) of the driven sprocket (30). Since the feed chain (5) is disposed closer to the threshing body side than the feed chain (5) at a position rearward from the feed chain (5) by the dimension (t), the pivot mounting plate (29) ( 32) The margin of entry into the threshing body side at the rear end is minimized, and the safety without any inconvenience such as interference in a state where the entire body width is suppressed to a certain size without extending the feed chain (5) to the outside of the threshing body. Opening work can be performed.

When the feed chain (5) is pivotally opened, the chain rails (27) and (2) are wound with the feed chain (5) wound around the driving sprocket (26).
8), the feed chain (5) can be easily opened and the work efficiency is excellent, and when the feed chain (5) is opened, the handle cylinder side cover (38) is opened. ) Is also drawn out at the same time, and threshing section (4)
The side surface is in an open state, so that inspection and maintenance of the handling room and replacement work of the crimp net (37) can be conveniently performed.

[0014]

As is apparent from the above embodiments, the present invention is directed to a case where the feed chain (5) stretched in the front-rear direction is
It is attached to the side of the threshing unit (4) via the longitudinal axes (33) and (34) so as to be movable in the direction, and the feed chain (5) side is connected to the side of the threshing unit (4) by a detachable hook (45). , Connect the operation lever (49) to the hook (45) ,
It is opposed front Symbol hook (45) and pin (43) feed chain (5) side and threshing section (4) side is disposed, threshing
Top cover (18) of section (4) and said feed chain
(5) The clamping rod (21) can be moved upward integrally.
And the feed chain (5) is threshed.
Side cover that covers the side of the handling cylinder (6) to be installed inside the part (4)
Moveable from the side of the threshing unit (4) together with (38)
Since the side of the threshing unit (4) is opened by rotating the feed chain (5), there is no burden of attaching and detaching the feed chain (5) as in the related art, and the threshing unit (4)
The operation of separating or joining the feed chain (5) to the side surface can be performed lighter than in the past, and the crimping net (3) passes over the feed chain (5) as in the conventional case.
Threshing section (4) without troublesome exchange of receiving network such as 7)
It is possible to eliminate the problem that the action of the worker on the side surface portion is restricted by the feed chain (5), and it is possible to perform the rotation operation of the feed chain (5) only by engaging and disengaging the hook (45). can, threshing portion of the feed chain (5) (4) can be easily performed by work skill each operation of the desorption line in rotation with the side surface, it can be easily achieved, such as simplification of handling operations, further hook (45) and pin (43) of the feed chain (5) side and threshing section (4) because to face disposed on the side, movable feed chain (5)
Can be easily constituted by the pin (43) and the hook (45), and the longitudinal axes (33) and (34) and the pin (4)
3) and feed chain (5) by hook (45)
Side can be firmly supported, and the generation of vibration noise and deformation damage on the feed chain (5) side and the improvement of the engagement function can be easily achieved.

[Brief description of the drawings]

FIG. 1 is an explanatory side view of a feed chain unit.

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

FIG. 3 is a plan view of the same.

FIG. 4 is an explanatory sectional view of a threshing unit.

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

FIG. 6 is a partial explanatory view of the same.

[Explanation of symbols]

(4) Threshing section (5) Feed chain (6) Handle cylinder (18) Upper side wall cover (upper cover) (21) Clamping rod (33) (34) Horizontal rotation fulcrum shaft (vertical axis) (38) side Part cover (43) Lock pin (45) Lock plate (hook) (49) Guide lever (operation lever)

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-12213 (JP, A) JP-A 52-17746 (JP, U) JP-A 55-75219 (JP, U) JP-A Sho 56- 111633 (JP, U) Actually open sho 59-193231 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01F 12/00 A01F 12/10

Claims (1)

(57) [Claims] 1. A feed chain (5), which is stretched in the front-rear direction, is attached to the side of the threshing unit (4) via the longitudinal axes (33) and (34) so as to be movable in the lateral direction, and is attached to the side of the threshing unit (4). feed chain (5) side is connected by a disengageable hook (45), and ligated to the operating lever (49) to the hook (45), before Symbol hook (45) and pin (43) feed chain (5) side as the threshing section (4) are opposed to each other is disposed on the side
And the upper cover (18) of the threshing unit (4) and the feed
Move the clamping rod (21) of the chain (5) integrally upward
The feed chain (5)
To cover the side of the handling cylinder (6) to be installed inside the threshing unit (4)
From the side of the threshing unit (4) together with the unit cover (38)
A combine that is configured to be movable .