JP7103399B2 - combine - Google Patents

Description

The present invention relates to a combine.

Conventionally, a configuration in which a threshing device is surrounded by a handling net around a shaft-mounted handling cylinder to form a handling chamber is known (Patent Document 1).

Japanese Unexamined Patent Publication No. 2017-12003

In the above-mentioned known example, since the handling chamber is formed by surrounding the handling cylinder having the same diameter from beginning to end with a handling net, when a large amount of culm is supplied from the cutting device into the handling chamber, the starting end portion of the handling chamber is formed. There is a problem that clogging occurs in.
The present application provides a combine with a low threshing load by devising the structure of the handling cylinder.

The invention of claim 1 is a combine in which a grain removing device 3 is provided on one side above the traveling device 2 and a grain tank 5 is provided on the other side. A handling chamber 11 is provided so as to surround the handling cylinder 10, and the main lower side of the handling cylinder 10 is surrounded by the handling net 12, and the air is blown below the handling net 12 in the axial direction of the handling cylinder 10. 13 and a swing sorting shelf 14 swinging in the axial direction of the handling cylinder 10 are provided, and the handling cylinder 10 is handled by at least a tooth handling support member 20 formed in a rod shape in the front-rear direction. A plurality of teeth 21 are arranged side by side in the length direction, and a plurality of tooth handling support members 20 are arranged side by side in the rotation direction. When the tip locus position of the starting end side handling tooth 32 is loaded, the tip of the handling tooth 21 of the main body 27 of the handling body 10 on the rear side of the starting end side handling tooth 32 is moved. It is configured to move inward in the radial direction of the handling cylinder 10 from the locus line, and in the starting end side handling tooth 32 group, the front side support member 33 to which the starting end side handling tooth 32 is attached is placed at the front and rear plate 25 and the front side position. It is a combine that is movably attached to the moving holes 34 that are long in the radial direction formed in each of the intermediate plates 26 of the above, and a spring 35 that constantly urges the front support member 33 to the outside is attached to the front support member 33 . It is a thing.
According to the second aspect of the present invention, in the starting end side handling tooth 32, the handling tooth 21 is attached to the front support member 33 so as to be movable in the radial direction of the handling body 10, and each of the handling teeth 21 is always positioned outward by a spring 35. It is a combine that is configured to be urged to do so.
According to the third aspect of the present invention, the start end side handle 32 is attached to the front support member 33 to which the start end side handle 32 is attached so as to be undulating in the rotational direction of the handle body 10, and is always located outside by the spring 35. It is a combine that is configured to be urged to.
In the invention of claim 4 , the starting end side handling tooth 32 is a combine provided in a portion from the front to 1/3 of the total length of the handling cylinder 10.
According to the fifth aspect of the present invention, the starting end side handling tooth 32 is a combine having three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10.
The invention of claim 6 is a combine in which the starting end side handling tooth 32 is a portion from the starting end portion of the main body portion 27 of the handling cylinder 10 to the front-rear center position.
According to the invention of claim 7 , the handling net 12 is a combine having a structure in which the starting end portion of the handling net 12 and the rear end portion of the cone portion 30 of the handling cylinder 10 overlap in a side view.
According to the eighth aspect of the present invention, the handling net 12 is a combine in which the starting end portion of the handling net 12 is located on the front side of the rear end portion of the cone portion 30 and overlaps in a side view.

In the invention of claim 1, among the plurality of front and rear handle teeth 21 arranged side by side, the plurality of start end side handle teeth 32 in the front-rear direction of the start end side predetermined portion of the handle body 10 are the tip locus positions of the start end side handle teeth 32. However, when a load is applied, the handling chamber 11 is configured to retract inward from the tip movement locus line of the handling teeth 21 of the main body 27 of the handling cylinder 10 on the rear side of the starting end side handling teeth 32. When the load inside is increased, the handling tooth 21 is retracted, and when the load is reduced, it can be returned to the original position, whereby the load at the entrance of the handling chamber 11 is reduced, the work efficiency is improved, and the load is improved. The durability of the starting end side handling tooth 32 can be improved by lowering, and in the starting end side handling tooth 32 group, the front side support member 33 to which the starting end side handling tooth 32 is attached is placed at the front and rear plate 25 and the front side position. Since the spring 35 is movably attached to the moving holes 34 formed in each of the intermediate plates 26 and which are long in the radial direction, and the front support member 33 is always urged to the outside, the spring 35 When a load is applied to the opening side handling tooth 32 that has been rotated at the outer position due to the elasticity, the tooth 32 can be retracted inward against the elasticity of the spring 35, thereby reducing the load at the entrance of the handling chamber 11. The work efficiency is improved, and the durability of the starting end side handling tooth 32 can be improved by reducing the load.
In the invention of claim 2 , the handle 21 is attached to the front support member 33 so as to be movable in the radial direction of the handle body 10, and each handle 21 is urged by a spring 35 so as to be always located on the outside. Therefore, each of the handling teeth 21 of the starting side handling tooth 32 can be individually urged by the spring 35, and the entry and exit of the starting side handling tooth 32 can be appropriately controlled with respect to the load, and the grain removal state is optimized. Can be.
In the invention of claim 3 , the starting end side handling tooth 32 is attached to the front side support member 33 to which the starting end side handling tooth 32 is attached so as to be undulating in the rotational direction of the handling cylinder 10, and is always located outside by the spring 35. Since it is urged, the handling tooth 21 of the starting end side handling tooth 32 that rotates in the upright state falls down when a load is applied, the load at the entrance of the handling chamber 11 is reduced, the work efficiency is improved, and the load is reduced. As a result, the durability of the starting end side handling tooth 32 can be improved.
In the invention of claim 4 , since the starting end side handling tooth 32 is provided in a portion from the front to 1/3 of the total length of the handling cylinder 10, the load on the starting end portion of the handling chamber 11 is reduced and the starting end of the handling chamber 11 is reduced. It is possible to achieve both the threshing efficiency and the subsequent grain removal efficiency.
In the invention of claim 5 , since the starting end side handling tooth 32 is a portion having three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10, when the load on the front side portion in the handling chamber 11 is high, The load on the front side portion can be reduced by retracting the starting end side handling tooth 32 inward.
In the invention of claim 6 , since the opening side handling tooth 32 is a portion from the starting end portion of the main body portion 27 of the handling cylinder 10 to the front-rear center position, when the load in the handling chamber 11 is high, the starting end side handling tooth 32 reaches the center position from the front side. The load on the portion can be reduced by retracting the starting end side handling tooth 32 inward.
In the invention of claim 7 , in the handling net 12, since the starting end portion of the handling net 12 and the rear end of the cone portion 30 of the handling cylinder 10 overlap in a side view, shedding is promoted and the rear end of the cone portion 30 is promoted. It is possible to prevent the occurrence of clogging.
In the invention of claim 8 , since the handling net 12 overlaps in the side view with the starting end portion of the handling net 12 positioned in front of the rear end portion of the cone portion 30, threshing is promoted at the cone portion 30. The threshing efficiency can be improved by receiving the threshed grains by the starting end portion of the handling net 12.

Side view of the combine. Side view of the threshing device. Side view of the handling body. Side view of the starting end of the handling barrel. A front view of a part of the front plate of the handling body. Front view of the front plate part of the handling body. Side view of another embodiment of the handling barrel. Side view of another embodiment of the handling barrel. Side view of another embodiment of the handling barrel. A partial front view of another embodiment of the handling barrel. A partial side view and a partial enlarged view of other embodiments of the handling barrel. (A) Side view of another embodiment of the handling barrel. (B) Side view of another embodiment of the handling barrel. (C) Side view of another embodiment of the handling barrel. Side view of another embodiment of the handling barrel. Side view of another embodiment of the handling barrel. Side view of another embodiment of the handling barrel. Side view of another embodiment of the handling barrel.

Explaining one embodiment of the present invention with reference to the drawings, 1 is a machine frame, 2 is a traveling device provided at the lower part of the machine frame 1, 3 is a threshing device provided on the machine frame 1, 4 is a cutting device, and 5 is Glen. The tank, 6 is a control unit provided on one side in front of the Glen tank 5, and 6A is a transport elevator for transporting the grain to the threshing device 3 (FIG. 1).
In addition, in order to facilitate understanding, the directions such as front-back, left-right, up-down, etc. will be described for convenience, but these do not limit the configuration of the present invention.
The threshing device 3 is configured by providing a handling chamber 11 on which the handling cylinder 10 is axially mounted so that the upper portion is surrounded by the handling cylinder cover 7 on the upper front side, and the main lower side of the handling cylinder 10 is surrounded by the handling net 12. (Fig. 2). A wall insert 13 is provided on the lower starting end side (front side) of the handling net 12, and a wind selection chamber capable of selecting wind grains and foreign substances by blowing air from the wall insert 13 is formed below the handling chamber 11. In the selection room, a swing sorting shelf 14 that swings back and forth in the ventilation direction (front-back direction) of the wall insert 13 is provided (FIG. 2).

The first conveyor 15 is provided at a predetermined position below the rocking sorting shelf 14, and the second conveyor 16 is provided behind the first conveyor 15. Although not shown, the lower end of the first conveyor 15 is connected to the lower part of the grain raising device, and the upper part of the grain raising device is connected to the supply port of the Glen tank (not shown).
Therefore, in the handling cylinder 10, at least a plurality of handling teeth 21 are arranged side by side in the length direction on the handling tooth support member 20 formed in a rod shape in the front-rear direction (FIG. 3), and the handling tooth support member 20 is provided. A plurality of handle shafts 22 are arranged side by side in the rotation direction (FIG. 6), and a predetermined space 23 is provided inside the tooth handle support members 20 arranged side by side in the rotation direction. By putting it in, the space volume in the handling room 11 is expanded and the grain removal efficiency is improved.
A rotating drum 24 is provided inside the tooth handling support member 20 provided with a plurality of handling teeth 21 to ensure the rigidity of the handling cylinder 10.

The rotating drum 24 is connected and fixed to the inside of the tooth handling support member 20 by the front and rear plates 25 and a plurality of intermediate plates 26 parallel to the front and rear plates 25 to ensure the rigidity of the handling cylinder 10.
The handling cylinder 10 is provided with a conical cone portion 30 at the tip portion thereof, and the handling teeth 21 are rod-shaped and provided orthogonal to the axial direction of the handling cylinder 10, and a plurality of handling teeth 21 arranged side by side in the front-rear direction. Among them, the plurality of starting end side handling teeth 32 of the starting end side predetermined portion of the handling cylinder 10 move the tip locus position of the starting end side handling tooth 32 to the inside of the normal tip moving locus line when a load is applied to the starting end side handling tooth 32. It is configured to retract and return to the original normal tip locus line position when the load is reduced (Fig. 4).
Therefore, the load at the entrance of the handling chamber 11 can be reduced, the work efficiency can be improved, and the durability of the starting end side handling tooth 32 can be improved by reducing the load.
Reference numeral 31 is a screw spiral of the cone portion 30.

The movement configuration of the starting end side handling tooth 32 group is arbitrary, but as an example, a front side support member 33 to which the starting end side handling tooth 32 is attached is formed on each of the front and rear plate 25 and the intermediate plate 26 at the frontmost position. It is movably attached to the moving hole 34 which is long in the radial direction, and a spring 35 which constantly urges the front support member 33 to the outside is attached to the front support member 33 (FIGS. 4 and 5).
Therefore, it usually rotates at the outer position due to the elasticity of the spring 35 of the starting end side handling tooth 32, and when a load is applied to the starting end side handling tooth 32, it retracts inward against the elasticity of the spring 35.
The upper part of the radial mounting shaft 36 of the handling cylinder 10 is fixed to the front side support member 33, and the lower part of the mounting shaft 36 is freely mounted only vertically on the stays 37 provided on the front plate 25 and the intermediate plate 26, and the front side support member The spring 35 is attached to the mounting shaft 36 between the 33 and the stay 37 (FIG. 4).
38 is a retaining pin.
In this case, the starting end side handling teeth 32 are provided in a portion from the front to 1/3 of the total length of the handling cylinder 10, and are retracted when a load is applied to the handling teeth 21 of the starting end side handling teeth 32.
Therefore, it is possible to effectively prevent the object to be processed from being clogged in the handling chamber 11 immediately after being supplied.

Further, a portion having three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10 may be used as the starting end side handling tooth 32.
Therefore, it is effective in work in a field with a large amount of grain, especially when the load on the starting end side of the handling chamber 11 becomes large, and thereby the rigidity of the main handling cylinder 10 can be ensured at the same time. , It becomes a rational composition.
Further, the starting end side handling tooth 32 is provided in a portion of the main body portion 27 of the handling cylinder 10 up to half (see FIG. 15) from the starting end portion, and is retracted when a load is applied to the handling tooth 21 of the starting end side handling tooth 32. May be good.
Therefore, it is possible to effectively prevent the object to be processed from being clogged in the handling chamber 11 immediately after being supplied.
Further, the rear end of the cone portion 30 and the start end portion of the handling net 12 may be overlapped in a side view.

Therefore, shedding is promoted, and clogging at the rear end of the cone portion 30 can be prevented.
Further, the start end portion of the handling net 12 may be positioned on the front side of the rear end portion of the cone portion 30 so as to overlap in the side view (see FIG. 12C).
FIG. 7 shows another embodiment of the movement configuration of the starting end side handling tooth 32, and handles the front side support member 33 to which the handling tooth 21 of the starting end side handling tooth 32 is attached with respect to the handling tooth support member 20 of the main body 27. The body 10 is movably attached in the radial direction, and is urged by a spring 35 so as to be always located on the outside.
Therefore, since each of the handling teeth 21 of the starting side handling tooth 32 is urged by the spring 35, the entry and exit of the starting side handling tooth 32 can be appropriately controlled with respect to the load, and the threshing state can be optimized. ..
In this case, the start end side handle 32 that is movable in the radial direction is provided in a portion from the front to 1/3 of the total length of the handle body 10, and is retracted when a load is applied to the handle 21 of the start end side handle 32. And.
Therefore, it is possible to effectively prevent the object to be processed from being clogged in the handling chamber 11 immediately after being supplied.

Further, a portion having three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10 may be used as the starting end side handling tooth 32.
Further, the start end side handling tooth 32 that is movable in the radial direction is provided in a portion of the main body portion 27 of the handling cylinder 10 up to half of the starting end portion, and is retracted when a load is applied to the handling tooth 21 of the starting end side handling tooth 32. May be.
Therefore, it is possible to effectively prevent the object to be processed from being clogged in the handling chamber 11 immediately after being supplied.
Further, the rear end of the cone portion 30 and the start end portion of the handling net 12 are configured to overlap in a side view.
Further, the start end portion of the handling net 12 may be positioned on the front side of the rear end portion of the cone portion 30 so as to overlap in the side view.

FIG. 8 shows another embodiment of the movement configuration of the start end side handle 32, which is attached to the front support member 33 to which the start end side handle 32 is attached so as to be freely moved in and out in the radial direction of the handle body 10, and is always attached by the spring 35. It is configured to be urged so that it is located on the outside.
Therefore, since the starting end side handling tooth 32 is urged to the protruding state by the spring 35, the handling tooth 21 of the starting end side handling tooth 32 that rotates in the protruding state is inside in the radial direction (the axial center of the handling cylinder 10) when a load is applied. The load on the entrance of the handling chamber 11 is reduced, the work efficiency is improved, and the durability of the starting end side handling tooth 32 is improved by reducing the load.
In this case, the starting end side handling tooth 32 urged by the spring 35 in a protruding state is provided in a portion from the front to 1/3 of the total length of the handling cylinder 10, and when a load is applied to the handling tooth 21 of the starting end side handling tooth 32. The configuration is to evacuate.

Therefore, it is possible to effectively prevent the object to be processed from being clogged in the handling chamber 11 immediately after being supplied.
Further, the portion having the three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10 may be the starting end side handling tooth 32 urged by the spring 35 in a protruding state.
Further, the starting end side handling teeth 32 urged by the spring 35 in a protruding state are provided in a portion up to half of the starting end portion of the main body portion 27 of the handling cylinder 10, and when a load is applied to the handling teeth 21 of the starting end side handling teeth 32. The configuration is to evacuate.
Therefore, it is possible to effectively prevent the object to be processed from being clogged in the handling chamber 11 immediately after being supplied.
Further, the rear end of the cone portion 30 and the start end portion of the handling net 12 are configured to overlap in a side view.
Further, the start end portion of the handling net 12 may be positioned on the front side of the rear end portion of the cone portion 30 so as to overlap in the side view.

FIG. 9 shows another embodiment of the movement configuration of the starting end side handling tooth 32, in which the starting end side handling tooth 32 is undulatingly attached to the front side support member 33 in the rotational direction of the handling cylinder 10 and is always outside by the spring 35. It is configured to be urged to be located at.
Therefore, since the starting end side handling tooth 32 is urged to the upright state by the spring 35, the handling tooth 21 of the starting end side handling tooth 32 that rotates in the upright state falls down when a load is applied, and the load at the entrance of the handling chamber 11 is reduced. However, the work efficiency is improved and the durability of the starting end side handling tooth 32 is improved by reducing the load.
Specifically, the front support member 33 is handled by the mounting member 46 provided on the front plate 25 and the intermediate plate 26, which are fixed to the undulating start end side handling tooth 32, and / or the main body 27. The tooth support member 20 is provided so as to be rotatable only, the coil portion of the spring 35 is inserted into the front support member 33, and one end of the spring 35 is locked to a part of the tooth handling teeth 21 of the starting end side handling teeth 32. Then, the other end of the spring 35 is locked to an arbitrary fixing portion (mounting member 46), the starting end side handling tooth 32 is always urged to the upright state by the spring 35, and is rotated in the upright state by the arbitrary stopper mechanism. Stop moving.

Therefore, when a load is applied to the start end side handle 32, the front support member 33 is rotated with respect to the handle support member 20 of the main body 27 against the elasticity of the spring 35, and the start end side handle 32 is laid down. ..

FIG. 10 shows another embodiment of the movement configuration of the start end side handle 32, and attaches the start end side handle 32 to the front support member 33 to which the start end side handle 32 is attached so as to be undulating in the rotational direction of the handle body 10.
Therefore, when a load is applied to the handling tooth 21 of the starting end side handling tooth 32, the tooth falls down, the load at the entrance of the handling chamber 11 is reduced, the work efficiency is improved, and the durability of the starting end side handling tooth 32 is reduced. Can be improved.
Each of the handle teeth 21 of the start end side handle 32 in FIG. 10 is rotatably attached by a pin 21A at a predetermined position in the length direction, and when a load is applied to the start end side handle 32, it rotates about the center of the pin 21A. Make it fall down.
Although not shown, one end of the spring 35 is locked to a part of the handle teeth 21 of the start end side handle teeth 32, and the other end of the spring 35 is locked to an arbitrary fixed portion to handle the start end side. The teeth 32 are constantly urged in the upright state by the spring 35, and the rotation is stopped in the upright state by an arbitrary stopper mechanism.

FIG. 11 shows another embodiment of the movement configuration of the starting end side handling tooth 32, which is attached to the front support member 33 to which the starting end side handling tooth 32 is attached so as to be undulating in the rotational direction of the handling cylinder 10. 32 has a configuration that can be tilted manually.
Therefore, the starting end side handling tooth 32 is rotated in an upright state, and when a load is applied to the threshing device 3, it is laid down, the load at the entrance of the handling chamber 11 is reduced, the work efficiency is improved, and the starting end is reduced by reducing the load. The durability of the side handling teeth 32 can be improved.
In this case, the undulating configuration of the starting end side handle 32 is arbitrary, but for example, as shown in FIG. 11, the front support member 33 is attached to the handle support member 20 of the main body 27 via the rotating member 40.

The rotating member 40 is provided with a gear 42 on the outer periphery of a tubular portion 41 fixed to the front support member 33, and a gear 44 fixed to the gear 42 is meshed with a bolt shaft 43 provided only to rotate at a predetermined fixed portion. When the gear 44 is rotated by the bolt shaft 43, the front support member 33 is rotated around the shaft via the rotating member 40 (gear 42) to lay down the starting end side handling tooth 32.
Therefore, the load at the entrance of the handling chamber 11 may increase depending on the crop conditions. In this case, the handling teeth 21 of the starting end side handling teeth 32 can be manually laid down to reduce the load at the entrance of the handling chamber 11. ..
In this case, the starting end side handling teeth 32 are provided in a portion from the front to 1/3 of the total length of the handling cylinder 10, and are retracted when a load is applied to the handling teeth 21 of the starting end side handling teeth 32.
Therefore, it is possible to effectively prevent the object to be processed from being clogged in the handling chamber 11 immediately after being supplied.

Further, a portion having three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10 may be used as the starting end side handling tooth 32.
Further, the starting end side handling teeth 32 are provided in a portion up to half of the starting end portion of the main body portion 27 of the handling cylinder 10, and are retracted when a load is applied to the handling teeth 21 of the starting end side handling teeth 32.
Therefore, it is possible to effectively prevent the object to be processed from being clogged in the handling chamber 11 immediately after being supplied.
Further, the rear end of the cone portion 30 and the start end portion of the handling net 12 are configured to overlap in a side view.
Further, the start end portion of the handling net 12 may be positioned on the front side of the rear end portion of the cone portion 30 so as to overlap in the side view.
In this case, the starting end side handling teeth 32 are provided in a portion from the front to 1/3 of the total length of the handling cylinder 10, and are retracted when a load is applied to the handling teeth 21 of the starting end side handling teeth 32.

Therefore, it is possible to effectively prevent the object to be processed from being clogged in the handling chamber 11 immediately after being supplied.
Further, a portion having three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10 may be used as the starting end side handling tooth 32.
Further, the starting end side handling teeth 32 are provided in a portion up to half of the starting end portion of the main body portion 27 of the handling cylinder 10, and are retracted when a load is applied to the starting end side handling teeth 32.
Therefore, it is possible to effectively prevent the object to be processed from being clogged in the handling chamber 11 immediately after being supplied.
Further, the rear end of the cone portion 30 and the start end portion of the handling net 12 are configured to overlap in a side view.
Further, the start end portion of the handling net 12 may be positioned on the front side of the rear end portion of the cone portion 30 so as to overlap in the side view.

Further, when the load applied to the opening side handling tooth 32 on the entrance side of the handling chamber 11 is large in the moving configuration of the starting end side handling tooth 32, the starting end side handling tooth 32 is tilted by tightening the bolt 43 to open a space. , It is configured to reduce the load.
Therefore, when the load at the entrance of the handling chamber 11 increases due to the crop conditions, the handling teeth 21 are tilted to make space and the load is reduced by tightening the screws.
FIG. 12A shows another embodiment of the handling cylinder 10, in which the portion of the main body portion 27 of the handling cylinder 10 from the starting end portion to the front 1/3 side is the starting end side handling tooth 32, and the starting end side handling tooth 32 has the handling tooth 21. The attached front support member 33 is positioned inward with respect to the tooth handling support member 20 of the main body 27 and is jointly fixed to form a wide space of the handling chamber 11 on the starting end side of the handling cylinder 10.
Therefore, it is possible to effectively prevent the object to be processed from being clogged in the handling chamber 11 immediately after supply, reduce the load at the entrance of the handling chamber 11, and improve the work efficiency. Further, by reducing the load, the durability time of the handling cylinder 10 including the handling teeth 21 can be extended.

In this case, the rear end of the cone portion 30 and the start end of the handling net 12 are overlapped in a side view.
Further, the start end portion of the handling net 12 may be positioned on the front side of the rear end portion of the cone portion 30 so as to overlap in the side view.
Further, a portion having three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10 may be used as the starting end side handling tooth 32, and the starting end side handling tooth 32 may be formed from the starting end portion of the main body portion 27 of the handling cylinder 10. It may be provided in a portion up to half and retracted when a load is applied to the handling teeth 21 of the starting end side handling teeth 32.
FIG. 12B shows another embodiment of the handling cylinder 10, in which the portion of the main body portion 27 of the handling cylinder 10 from the starting end portion to the front 1/3 side is the starting end side handling tooth 32, and the starting end side handling tooth 32 has the handling tooth 21. The attached front support member 33 is positioned inside the tooth support member 20 of the main body 27, and the rear portion of the front support member 33 and the front end portion of the tooth support member 20 are vertically overlapped and fixed by welding. ..

Therefore, it is possible to form a wide interior space at the start end of the handling chamber 11 while ensuring the rigidity of the handling cylinder 10.
In this case, the rear end of the cone portion 30 and the start end of the handling net 12 are overlapped in a side view.
Further, the start end portion of the handling net 12 may be positioned on the front side of the rear end portion of the cone portion 30 so as to overlap in the side view.
Further, a portion having three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10 may be used as the starting end side handling tooth 32, and the starting end side handling tooth 32 may be formed from the starting end portion of the main body portion 27 of the handling cylinder 10. It may be provided in a portion up to half and retracted when a load is applied to the handling teeth 21 of the starting end side handling teeth 32.

FIG. 12C shows another embodiment of the handling cylinder 10, in which the three portions on the front side from the starting end portion of the main body portion 27 of the handling cylinder 10 are the starting end side handling teeth 32, and the starting end side handling teeth 32 are attached with the handling teeth 21. The front support member 33 is positioned inside the tooth support member 20 of the main body 27, and the rear portion of the front support member 33 and the front end portion of the tooth support member 20 are vertically overlapped and fixed by welding.
Therefore, it is possible to form a wide interior space at the start end of the handling chamber 11 while ensuring the rigidity of the handling cylinder 10.
In this case, the rear end of the cone portion 30 and the start end of the handling net 12 are overlapped in a side view.
Further, the start end portion of the handling net 12 may be positioned on the front side of the rear end portion of the cone portion 30 so as to overlap in the side view.

Further, a portion having three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10 may be used as the starting end side handling tooth 32, and the starting end side handling tooth 32 may be formed from the starting end portion of the main body portion 27 of the handling cylinder 10. It may be provided in a portion up to half and retracted when a load is applied to the handling teeth 21 of the starting end side handling teeth 32.
FIG. 13 shows another embodiment of the handling cylinder 10, in which the portion of the main body portion 27 of the handling cylinder 10 from the starting end portion to the front 1/3 side is the starting end side handling tooth 32, and the starting end side handling tooth 32 has the handling tooth 21. The attached front side support member 33 is positioned inside the handle tooth support member 20 of the main body 27, and the front side support member 33 and the handle tooth support member 20 are integrated, and the front side support member 33 and the handle tooth support member 20 are integrated. By providing an obliquely bent portion 50 between the teeth and the teeth 20, a wide space on the starting end side of the handling chamber 11 is formed.
Therefore, the front support member 33 can be easily formed while ensuring the rigidity of the handling cylinder 10, whereby the interior space at the start end of the handling chamber 11 can be widened.

In this case, the rear end of the cone portion 30 and the start end of the handling net 12 are overlapped in a side view.
Further, the start end portion of the handling net 12 may be positioned on the front side of the rear end portion of the cone portion 30 so as to overlap in the side view.
Further, a portion having three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10 may be used as the starting end side handling tooth 32, and the starting end side handling tooth 32 may be formed from the starting end portion of the main body portion 27 of the handling cylinder 10. It may be provided in a portion up to half and retracted when a load is applied to the handling teeth 21 of the starting end side handling teeth 32.
FIG. 14 shows another embodiment of the handling cylinder 10, in which the portion of the main body portion 27 of the handling cylinder 10 from the starting end portion to the front 1/3 side is the starting end side handling tooth 32, and the starting end side handling tooth 32 has the handling tooth 21. The attached front support member 33 is tilted so that its starting end is located inside the tooth support member 20 of the main body 27 and the front support member 33 is located outward toward the rear portion to support the tooth handle. It is configured to be integrally connected to the member 20.

Therefore, the front support member 33 can be easily formed while ensuring the rigidity of the handling cylinder 10, whereby the interior space at the start end of the handling chamber 11 can be widened.
In this case, the rear end of the cone portion 30 and the start end of the handling net 12 are overlapped in a side view.
Further, a portion having three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10 may be used as the starting end side handling tooth 32, and the starting end side handling tooth 32 may be formed from the starting end portion of the main body portion 27 of the handling cylinder 10. It may be provided in a portion up to half and retracted when a load is applied to the handling teeth 21 of the starting end side handling teeth 32.

FIG. 15 shows another embodiment of the handling cylinder 10, in which the portion having the handling teeth 21 from the start end portion of the handling cylinder 10 to the front-rear center position of the handling cylinder 10 is the front half-side handling tooth 32A, and is the latter half from the center position. The portion having the handling teeth 21 is designated as the rear handling tooth 27A, and the front half side handling tooth 32A is welded by positioning the front side support member 33 to which the handling teeth 21 are attached inside with respect to the handling tooth support member 20 of the main body portion 27. It is fixed so that the space of the handling chamber 11 on the starting end side of the handling cylinder 10 is widened, and the starting end portion of the handling net 12 is positioned on the front side of the rear end portion of the cone portion 30 and overlaps in the side view. It is said.
Therefore, the front half side handling tooth 32A and the front side supporting member 33 can be easily formed while ensuring the rigidity of the handling cylinder 10, whereby the interior space of the starting end portion of the handling chamber 11 can be widely formed. ..

In this case, the connecting portion (continuous portion) between the rear end portion of the front side support member 33 and the front end portion of the tooth handling support member 20 may be welded vertically in FIG. 12 or provided with a bent portion in FIG. , It may be connected by an arbitrary configuration such as the slanted configuration shown in FIG.
FIG. 16 shows another embodiment of the handle body 10, in which the tooth handle support member 20 is arranged so as to be located at the apex of the hexagon in the circumferential direction, and half of the tooth handle support members 20 are the tooth handle support members. Reference numeral 20 denotes a dense tooth support member 20 (FIGS. 16C and D) in which the tooth 21 is finely arranged, and the other half of the tooth support members 20 are sparse teeth that are sparser than the dense tooth support member 20. The support member 20 (FIGS. 16A and 16B), and the dense tooth support member 20 and the sparse tooth support member 20 are alternately arranged in the circumferential direction, and further, the sparse tooth support member of FIG. 16A is provided. The front support members 33 of the plurality of start end side handle teeth 32 of the start end side predetermined portion of the handle body 10 having only 20 are positioned inside the handle tooth support member 20 of the main body 27 from the diameter of the cone portion 30. It is fixed by welding so as to be small, and the space of the handling chamber 11 on the starting end side of the handling cylinder 10 is formed to be wide.

Therefore, it is possible to form a wide interior space at the start end of the handling chamber 11 while ensuring the rigidity of the handling cylinder 10.
In this case, the connecting portion (continuous portion) between the rear end portion of the front side support member 33 and the front end portion of the tooth handling support member 20 is configured to be welded on the upper and lower sides of FIG. 12B and to be provided with a bent portion of FIG. Alternatively, the cone portion 30 of FIG. 14 may be connected in an arbitrary configuration such as an oblique configuration.
Further, the configuration of the starting end side handling teeth 32 is arbitrary, and may be a portion having three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10, and the starting end portion of the main body portion 27 of the handling cylinder 10. It may be a part up to half (intermediate part).
When the starting end side handling teeth 32 of FIG. 16A are roughly arranged, the arrangement of the handling teeth 21 of the next handling tooth support member 20 in the rotation direction is dense, and the linear dense handling tooth support member of FIG. 16D is arranged. Set to 20.

FIG. 16C shows another embodiment of the handling cylinder 10, in which only the dense handling tooth support member 20 has the front support member 33 of the plurality of starting end side handling teeth 32 of the starting end side predetermined portion of the handling cylinder 10 and the main body portion 27. The tooth-handled support member 20 is positioned inside and fixed by welding so as to be smaller than the diameter of the cone portion 30, so that the space of the handling chamber 11 on the starting end side of the handling cylinder 10 is widened.
Therefore, it is possible to form a wide interior space at the start end of the handling chamber 11 while ensuring the rigidity of the handling cylinder 10.
In this case, the connecting portion (continuous portion) between the rear end portion of the front side support member 33 and the front end portion of the tooth handling support member 20 is configured to be welded on the upper and lower sides of FIG. 12B and to be provided with a bent portion of FIG. Alternatively, the cone portion 30 of FIG. 14 may be connected in an arbitrary configuration such as an oblique configuration.

Further, the configuration of the starting end side handling teeth 32 is arbitrary, and may be a portion having three handling teeth 21 from the starting end portion of the main body portion 27 of the handling cylinder 10, and the starting end portion of the main body portion 27 of the handling cylinder 10. It may be a part up to half (intermediate part).
When the starting end side handling teeth 32 of FIG. 16C are densely arranged, the arrangement of the handling teeth 21 of the next handling tooth support member 20 in the rotation direction is the rough type of the linear rough tooth handling member of FIG. 16B. Set to 20.
In addition, although each of the above-described embodiments is illustrated and described individually or in a mixed manner for the sake of easy understanding, various combinations of these examples can be made, and the configurations and actions are expressed by these expressions. Etc. are not limited, and of course, there are cases where a synergistic effect is produced.

1 ... Aircraft frame, 2 ... Traveling device, 3 ... Grain removal device, 4 ... Cutting device, 5 ... Glen tank, 6 ... Control unit, 6A ... Transport elevator, 10 ... Handling barrel, 11 ... Handling room, 12 ... Handling net, 20 ... Handle tooth support member, 21 ... Handle tooth, 22 ... Handle barrel shaft, 23 ... Space, 24 ... Rotating drum, 25 ... Front and rear plate, 26 ... Intermediate plate, 27 ... Main body part, 30 ... Cone part, 32 ... Start end Side teeth, 33 ... front support member, 34 ... moving hole, 32 ... spring, 36 ... mounting shaft, 37 ... stay, 38 ... retaining pin, 40 ... mounting part, 41 ... bolt, 42 ... gear, 43 ... bolt Shaft, 44 ... Gear, 50 ... Bent part.

Claims (8)

In a combine in which a grain removal device (3) is provided on one side above the traveling device (2) and a grain tank (5) is provided on the other side, the grain removal device (3) handles the upper part on the front upper side and handles the trunk cover (3). A handling chamber (11) is provided so as to be surrounded by the handling cylinder (10), and the main lower side of the handling cylinder (10) is surrounded by the handling net (12) and below the handling net (12). A karamin (13) that blows air in the axial direction of the handling cylinder (10) and a swing sorting shelf (14) that swings in the axial direction of the handling cylinder (10) are provided in the handling cylinder (10). In 10), at least a plurality of tooth-handled teeth (21) are arranged side by side in the length direction on the tooth-handled support member (20) formed in a rod shape in the front-rear direction, and the tooth-handled support member (20) is arranged in the rotation direction. Of the plurality of teeth (21) arranged side by side, the plurality of teeth (32) on the starting side of the predetermined portion on the starting side of the handling body (10) are the teeth on the starting side (32). When a load is applied to the tip locus position of 32), it is handled more than the tip movement locus line of the handling tooth (21) of the main body (27) of the handling body (10) on the rear side of the starting end side handling tooth (32). It is configured to move inward in the radial direction of the body (10), and in the starting end side handling tooth (32) group, the front side support member (33) to which the starting end side handling tooth (32) is attached is attached to the front and rear plates (25). ) And the intermediate plate (26) at the foremost position, which are movably attached to the moving holes (34) which are long in the radial direction. A combine constructed by attaching an urging spring (35) . In claim 1, in the starting end side handling tooth (32), the handling tooth (21) is attached to the front side support member (33) so as to be movable in the radial direction of the handling body (10), and each handling tooth (21) is attached. A combine that is configured to be urged by a spring (35) so that it is always located on the outside. In claim 1, the starting end side handling tooth (32) is attached to the front support member (33) to which the starting end side handling tooth (32) is attached so as to be undulating in the rotational direction of the handling cylinder (10), and the spring (35). ) Is used to urge the combine so that it is always located on the outside. In claims 1 to 3, the starting end side handling tooth (32) is a combine provided in a portion from the front to 1/3 of the total length of the handling body (10). In claims 1 to 3, the starting end side handling tooth (32) is a combine having three handling teeth (21) from the starting end portion of the main body portion (27) of the handling cylinder (10). In claims 1 to 3, the starting end side handling tooth (32) is a combine portion from the starting end portion of the main body portion (27) of the handling cylinder (10) to the front-rear center position. In claims 1 to 6, the handling net (12) has a configuration in which the starting end portion of the handling net (12) and the rear end portion of the cone portion (30) of the handling cylinder (10) overlap in a side view. Combined. In claims 1 to 6, the handling net (12) has a configuration in which the starting end portion of the handling net (12) is located on the front side of the rear end portion of the cone portion (30) and overlaps in a side view. Combined.

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