JP3289088B2 - Combine - 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 and a handling drum side cover are moved around a fulcrum shaft to open the threshing unit side surface. According to the above-mentioned prior art, the troublesome work of removing the feed chain and the handling cylinder side cover can be omitted, but since the feed chain and the handling cylinder side cover are horizontally lowered and opened to the outside of the threshing section side surface, the handling cylinder can be removed. It is necessary to perform maintenance and inspection of the net or change the receiving net from the space above the feed chain and handle side cover, and it is troublesome for the operator to approach the threshing section through the feed chain and handle side cover. At the same time, it is necessary to lift the feed chain at the end of the work and return it to the original position, and it is troublesome to lift the heavy feed chain.

[0003]

Means for Solving the Problems] However, the present invention is, converter which stretched the feed chain in the longitudinal direction in the threshing section one side
In-in, together with the freely provided move the feed chain around the axis, attaching the drive sprocket feed chain to the frame side to be connected before Symbol axis and internally provided in the threshing section
Mounting <br/> only the frame side side cover covering the threshing drum-side portion which causes, 挾扼rod of the upper cover of the threshing section feed chain
And can be integrally moved upward, and the
The feed chain can be turned outward around the axis
Which was constructed in ability, the feed chain (5)及beauty side cover (38) a threshing unit is moved outward (4) side can be greatly opened, as in the conventional feed chain及beauty no burden to desorb the side cover, an operation of separating or joining the feed chain及beauty side cover relative to the threshing portion side with obtaining lightly perform than conventional, as in the prior art feed chain及beauty side cover over in no troublesome to perform such受網exchange, resulting eliminate the problem that the operator of action at threshing portion side portion is regulated by the feed chain及beauty side cover, feed chain without desorbing the feed chain and the drive sprocket outwardly moving performs resulting, driving sprocket mounting accuracy for improving and feed chain workability performed by moving the feed chain outwardly of the With lifting and obtain achieving ease, in which a working space such as受網exchanged by movement of the outer direction of the side <br/> cover can easily ensured.

[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). .

[0011] As apparent from the above, con be stretched feed chain (5) in the longitudinal direction in the threshing section (4) one side
In the vine , the horizontal rotation fulcrum axis (33) which is the vertical axis
(34) A feed chain (5) is provided so as to be rotatable in the horizontal direction, and the horizontal rotation fulcrum shafts (33) (3)
4) The lower chain rail (2), which is the frame connected to
7) Drive sprocket (2) of feed chain (5)
6) is pivotally supported, and also threshing section (4) provided inside the order thresher (6) horizontally thresher side cover (38) covering the side portions through the lower chain rail (27) rotation fulcrum shaft ( 33) (3
The upper side wall that is attached to 4) and is the upper cover of the threshing unit (4)
A clamping rod between the cover (18) and the feed chain (5)
(21) is configured to be integrally movable upward.
Then, the feed chain (5) is placed behind the threshing unit (4).
Center the shaft (33) of the support (31), which is a standing support member.
It is configured to be rotatable outward as a center. Then, feed chain (5) and handle cylinder side cover (38) to the outside
In the direction to open the threshing part (4) side greatly ,
As in the prior art feed chain (5) and thresher side cover (38) without the burden of raising operation to desorb lowered, threshing section (4) side with respect to the feed chain (5) and thresher side covers ( 38) can be separated or joined lighter than before, and the crimping net (37), which is the receiving net, is exchanged through the feed chain (5) and the handling drum side cover (38) as in the conventional case. No trouble, threshing section (4) Feed chain (5)
The drive sprocket (26) is provided on the horizontal rotation fulcrum shafts (33) (34), and the feed chain (5) and the drive sprocket (26) are removed. The feed chain (5) is moved outward without being attached and detached, the workability is improved by moving the feed chain (5) outward, and the drive sprocket (2) for the feed chain (5) is improved.
6) Attachment accuracy is maintained, and the crimping net (3) is moved by moving the handle cylinder side cover (38) outward.
7), etc., and the horizontal rotation fulcrum shafts (33) and (34) and the driving sprocket (2)
6) is disposed before and after the handle body side cover (38) to simplify the transmission mechanism and the mounting structure of the horizontal rotation fulcrum shafts (33) and (34) and to improve the support strength.

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 clear from the above embodiments, the present invention relates to a combine for extending a feed chain (5) in the front-rear direction on one side of a threshing unit (4).
(34) with freely provided move the feed chain (5) around, before installation Symbol shaft (33) driven sprocket of the frame to be coupled to the (34) (27) side to the feed chain (5) (26), also threshing section thresher that provided inside the (4) (6) side covers for covering the side portion (38) frame (2
7) Attached to the side, with the upper cover (18) of the threshing unit (4)
挾扼rod before Symbol feed Chen (5) (21) and integrally
The feeder is configured to be movable upward.
Turn the chain (5) outward about the axis (33).
Obtained by rotatably configured, the feed chain (5)及beauty side <br/> cover (38) is moved outwardly by the threshing section (4)
Side can be largely opened, as in the conventional feed chain (5)及beauty side cover (38) without the burden of desorbing, threshing section (4) side with respect to the feed chain (5)及beauty side portion cover the operation of separating or joining (38) it is possible to carry out lightly than ever, as in the conventional feed chain (5)及beauty side cover (38)
Receiving network to come (37) exchange there is no trouble to carry out, threshing section (4) the operator of the behavior of the side section feed chain (5)
It is possible to eliminate the problem that is regulated by及beauty side cover (38), can be performed movement of the outer direction of the feed chain (5) without detaching the feed chain (5) and the drive sprocket (26) , it is possible to achieve feed chain (5) to facilitate such maintenance of the drive sprocket (26) attached accuracy of workability improvement and feed chain performed by moving outward (5), the side cover (38) The work space for exchanging the receiving net (37) can be easily secured by the movement in the outward direction .

[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 unit (5) Feed chain (6) Handling cylinder (18) Upper side wall cover (upper cover) (26) Drive sprocket (27) Lower chain rail (frame) (31) Support (support member) (33) (34) Horizontal rotation fulcrum shaft (vertical axis) (38) Handle side cover

──────────────────────────────────────────────────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 combine for stretched feed in the longitudinal direction in the threshing section (4) one side chain (5), the shaft (3
3) (34) with freely provided move the feed chain (5) around, before installation Symbol shaft (33) (drive sprocket of the frame to be linked to the 34) (27) side to the feed chain (5) (26) And also in the threshing section (4)
That mounting thresher (6) side covers for covering the side part (38) to the frame (27) side, the top cover of the threshing section (4) (1
8) and the clamping rod (21) of the feed chain (5)
It is configured to be integrally movable upward, and
The chain (5) is moved outward around the axis (33).
A combine which is configured to be rotatable in a direction .