JP4636168B2 - Combine - Google Patents

Description

  The present invention relates to a combine.

Conventionally, a narrow guide for weeding uncut cereals behind the machine body from the cutting part has been provided, and the narrow guide is divided into a front narrow guide and a rear narrow guide, and the narrow guide enters and exits the machine body. A configuration in which the tip of the adjusting shaft is attached, the adjusting shaft is mounted on the body frame, and a fixing device for fixing the adjusting shaft to enter and exit is provided (Patent Document 1).
Further, conventionally, a narrow guide for weeding uncut cereals behind the fuselage from the cutting part has been provided, and the narrow guide is divided into a front narrow guide and a rear narrow guide, and the narrow guide is formed with respect to the fuselage. A configuration in which the tip of the adjustment shaft that is moved in and out is attached and a drive device including a motor is provided on the adjustment shaft is known (Patent Document 2).
JP-A-6-30638 Japanese Utility Model Publication No. 5-67229

Among the known examples, the former has a problem that the operation from the control unit is difficult and adjustment is troublesome because the narrow guide is adjusted by the adjustment shaft to adjust the protruding amount.
In other words, the narrow guide adjustment is not a one-time adjustment. In a combine that works while circling in the field, the overhanging direction of the cereals differs depending on the traveling direction, and the amount of narrow guide overhang changes each time. By doing so, it is possible to prevent the uncut cereals from being stepped over.

  In this regard, the former of the above-mentioned known examples can be remotely operated by a motor, but since the motor is provided in the vicinity of the narrow guide where there are many contaminants such as sawdust, dust and mud, failure and durability are low. There is a problem.

  The present application is devised to enable remote operation of a narrow guide that does not use a motor.

According to the first aspect of the present invention, the traveling device (2) is provided below the airframe frame (1), the threshing device (3) is provided on the upper side of the airframe frame (1), and the other above the airframe frame (1). A grain tank (5) is provided on the side, a control part (7) is provided on the front side of the grain tank (5), a cutting part (4) is provided in front of the fuselage frame (1), and the cutting part (4) A narrow guide (20) for weeding the uncut cereal grains from the side to the side of the threshing device (3) is provided, and the narrow guide (20) is connected to the front narrow guide (21) and the rear narrow guide (22). The front attachment portion (35) at the front end of the front narrow guide (21 ) is provided on the weeding frame (23) that supports the weeding device (8) at the front end of the cutting portion (4) . mounted for back and forth movable and rotates in front side guide member (36), the rear Naroga Side mounting portion after the rear end of de (22) (45) is mounted movably back and forth to the side guide member (46) after providing the body frame (1), the rear end portion of the front narrow guide (21) And a front end portion of the rear narrow guide (22) are flexibly attached to form a bent portion (K), and the front end of the support arm (38) is attached to the front portion of the rear narrow guide (2 2 ) . axis vertical axis (39) rotatably mounted only, the support arm (38) second axis (41 to the mounting member (40) provided in the base portion of the front side of the lateral frame of the body frame (1) (32) of ), And a spring (42) that constantly urges the support arm (38) in the retracting direction of the narrow guide (20 ) is attached to the support arm (38). ) Is applied to the fuselage frame (1) side , the front of the front narrow guide (21) An end and a rear end of the rear narrow guide (22) move forward and backward with respect to the front guide member (36) and the rear guide member (46), respectively, and the cutting part (4) is turned up and down. The position of the vertical rotation center (S) and the position of the bent portion (K) are shifted in the front-rear direction so that the moving center (S) is in front of the bent portion (K). As a configuration in which the front end of the front narrow guide (21) can move up and down around the center of the section (K), the front mounting portion (35) at the front end of the front narrow guide (21) when the cutting unit (4) rotates up and down. Is a combine that is configured to move back and forth with respect to the front guide member (36) .

According to the second aspect of the present invention, one end of a wire cable (43) is attached to the support arm (38), and the other end of the wire cable (43) is extended from the steering portion (7) to a narrow guide (20). A narrow guide operating member (50) connected to a narrow guide operating member (26) to be retracted and having an operation groove (51) engaged with the narrow guide operating member (26) on the outer side of the control portion (7). The combine according to claim 1 is provided.
The narrow guide (20) and the narrow guide operating member (26) are connected by a wire cable (43). When the narrow guide operating member (26) is moved to one side, the narrow guide (20) projects outward, On the contrary, when the narrow guide operating member (26) is moved to the other side, the narrow guide (20) is retracted, and in each state, the narrow guide operating member (26) is engaged with the operating groove (51).

When narrow guide is moved to the storage position and the protruding position, short overall length of the narrow guide is projecting position, but the total length becomes long in the retracted position, according to the first aspect of the invention, the total length of the narrow guide (20) Are absorbed in the front and rear positions of the front narrow guide (21) and the rear end of the rear narrow guide (22) and absorbed by the respective back and forth movements. The change can be absorbed smoothly and quickly. As a result, the narrow guide (20) is less deformed by the load (impact), and the load at the time of overhanging and storing is also reduced. That is, when a load is applied to push the narrow guide (20) toward the machine body frame (1), the front end of the front narrow guide (21) and the rear end of the rear narrow guide (22) move back and forth, and instantly. The load can be released to prevent breakage. In addition, the rear portion of the narrow guide (22) is attached to the fuselage frame (1) to increase the overall length of the narrow guide (20). And the narrow guide (20) can be absorbed, and the narrow guide (20) can be prevented from being damaged or deformed.
According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, the amount of extension of the narrow guide (20) can be adjusted from the control unit (7) according to the state of the field, And workability can be improved.

  An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a machine frame, 2 denotes a traveling device provided at a lower position of the machine frame 1, 3 denotes a threshing device provided at an upper position of the machine frame 1, and 4 denotes a threshing device 3. The cutting part provided in the front side, 5 is a glen tank, 6 is a discharge auger for discharging the grains in the glen tank 5, and 7 is a control part.

  The mowing unit 4 has a weeding device 8 arranged side by side at the most advanced position, and a pulling device 9 that raises the cereals weeded by the weeding device 8 on the rear side of each weeding device 8. A cutting blade 10 is provided on the rear side of the device 9, and a culm transporting device 11 that transports the culm cut by the cutting blade 10 from above the cutting blade 10 is provided.

  The configuration of the cereal conveying device 11 is arbitrary. In FIG. 6, 12 is a scraping device that constitutes a part of the cereal conveying device 11, 13 is a rear conveying device that conveys the cereals backward, and 14 is a handling device. A stock transporter that also serves as a depth adjusting device, 15 is a cutting frame, 16 is a support frame, and 17 is a support base.

  The terminal end of the cereal conveyance device 11 (rear conveyance device 13) faces the start end of the cereal supply and conveyance device 19 that supplies the threshing device 3 with the cereal. The rear transport device 13 and the stock transport device 14 are positioned to the side of the control unit 7 on the rear side of the cutting unit 4.

  Thus, a narrow guide (uncut grain stalk weeding device) 20 is provided for weeding uncut cereals from the side of the weeding device 8 of the cutting unit 4 to the rear side of the threshing device 3. The narrow guide 20 is formed by a shaft rod member, and is divided into a front narrow guide 21 and a rear narrow guide 22 (FIG. 2). A front end portion of the front narrow guide 21 is rotatably attached to a weeding frame 23 to which the weeding device 8 is attached, and a rear end of the front narrow guide 21 and a front end of the rear narrow guide 22 are bent by a shaft 24. The portion of the shaft 24 is attached to be a bent portion K provided in the front and rear middle of the narrow guide 20. The rear end of the rear narrow guide 22 is attached to an arbitrary fixed portion of the body frame 1 so as to be movable back and forth.

  One end of an operation transmission means 25 is attached to the front and rear intermediate portion (bending portion K) of the narrow guide 20, and the other end of the weeding frame 23 is connected to a narrow guide operation member (operation lever) 26 provided in the operation portion 7. To do.

Therefore, the narrow guide 20 can be extended and retracted from the control unit 7 and the operability can be improved.
The operation transmitting means 25 guides the operating link 27 attached to the narrow guide operating member 26, the connecting rod 28 connecting the operating link 27 and the narrow guide 20, and the moving direction of the connecting rod 28. A guide 29 is used.

The lower portion of the operation link 27 is attached to the connecting rod 28 by a shaft 30 so as to be rotatable.
The connecting rod 28 is formed in a square tube shape in cross section, and similarly, is slidably inserted through a guide 29 formed in a square tube shape in cross section. The guide 29 is provided with a moving groove 31 in which a mounting portion of the shaft 30 that is a shaft attachment portion between the operation link 27 and the connecting rod 28 moves. The guide 29 is fixedly attached to the front side horizontal frame (front side horizontal frame) 32 of the machine body frame 1.

Reference numeral 33 denotes a guide for guiding the movement of the narrow guide operating member 26.
When the operation transmitting means 25 pushes the narrow guide operating member 26 downward, the operation link 27 moves the connecting rod 28 outward and causes the narrow guide 20 to project. On the contrary, when the narrow guide operation member 26 is pulled upward, the operation link 27 moves the connecting rod 28 inward to store the narrow guide 20.

For this reason, the amount of protrusion (allowance) of the narrow guide 20 can be adjusted by the position of the narrow guide operating member 26.
Moreover, since the narrow guide 20 is moved in and out by the operation transmission means 25, the operation force can be reduced.

Further, the overhang allowance of the narrow guide 20 can be adjusted according to the height position of the narrow guide operating member 26, and the operability is improved.
Therefore, if the operation link 27, the connecting rod 28, and the guide 29 of the operation transmission means 25 are arranged in a horizontal line state in plan view (FIGS. 2 and 6), the operation transmission force can be further reduced, which is preferable. .

  That is, by making the bent portion K (shaft 24) of the narrow guide 20 and the narrow guide operating member 26 of the operation transmitting means 25 the same in the front-rear position, the operation link 27 and the connecting rod 28 of the operation transmitting means 25 are aligned horizontally. The operability of the operation transmission means 25 is improved.

  In addition, the narrow guide operation member 26 is provided so as to move up and down on the fixed portion of the control unit 7, and the connection rod 28 only moves within the guide 29 provided on the front lateral frame 32. The operating space can be reduced, contributing to the miniaturization of the entire aircraft.

  In this case, the operation link 27, the connecting basket 28, and the guide 29 are provided on the front side of the threshing device 3 in order for the mash supply and transfer device 19 to smoothly supply the mash to the threshing chamber (not shown) of the threshing device 3. If it is located below the provided entrance jaw 34, the space can be used effectively, which is preferable.

  FIG. 7 and subsequent figures show another embodiment of the narrow guide 20, and the front attachment portion 35 at the front end of the front narrow guide 21 is moved and rotated to the front guide member 36 provided on the weed frame 23. Install freely.

Therefore, when the narrow guide 20 moves in and out by overhanging and retracting, the front end of the front narrow guide 21 is moved back and forth, so that the narrow guide 20 is smoothly moved in and out.
The narrow guide 20 is attached to the front portion of the rear narrow guide 22 so that the tip of the support arm 38 can be rotated by a shaft (first shaft) 39, and the base of the support arm 38 is an attachment member provided on the front lateral frame 32. A shaft (second shaft) 41 is rotatably attached to 40. A spring 42 that urges the support arm 38 in the retracting direction of the narrow guide 20 is attached to the support arm 38 at all times.

  One end of the operation transmission means 25 is attached to the shaft 41 or the support arm 38, and the other end of the operation transmission means 25 is connected to a narrow guide operation member (operation lever) 26 provided in the control unit 7. In the embodiment, the operation transmission means 25 is constituted by a wire cable 43, and the wire cable 43 is connected to a narrow guide operation member 26 provided in the control unit 7.

Reference numeral 44 denotes an arm to which the wire cable 43 is connected (in some drawings such as FIG. 8, the tip of the wire cable 43 and the arm 44 are not connected for easy understanding).
The rear attachment portion 45 of the rear portion of the rear narrow guide 22 is movably attached to a rear guide member 46 provided on the body frame 1.

  Therefore, the extension / retraction mechanism for extending / retracting the narrow guide 20 is constituted by a link mechanism constituted by the support arm 38, and the bent portion K of the narrow guide 20 is formed at the tip of the support arm 38. When a load that pushes the narrow guide 20 toward the machine body frame 1 is applied, the front end of the front narrow guide 21 and the rear end of the rear narrow guide 22 move forward and backward, respectively, thereby releasing the load instantaneously and preventing damage.

  That is, when the narrow guide 20 is moved to the extended position and the retracted position, the entire length of the narrow guide 20 is short at the extended position, and the full length is long at the retracted position. Since it is distributed and absorbed in two places, front and rear, and the rear end of the rear narrow guide 22, the absorption can be performed smoothly and quickly.

Therefore, the narrow guide 20 is less deformed with respect to the load (impact), and the load caused by the so-called “kose” at the time of extension / storage is also small.
The front guide member 36 of the cutting part 4 and the rear guide member 46 of the machine body frame 1 are formed by shaft rod members, respectively, and the front attachment part 35 and the rear attachment part 45 of the front narrow guide 21 and the rear narrow guide 22 are formed. Is formed in a ring shape so that the narrow guide 20 can be moved smoothly by reducing the respective contact areas, and the front mounting portion 35 and the rear mounting portion 45 are formed by the front guide member 36 and the rear guide member 46, respectively. It also rotates in directions other than the axial direction, and when the load that pushes the narrow guide 20 toward the machine body frame 1 is applied, it deforms to release the load and prevent breakage.

  Thus, the narrow guide operation member 26 is engaged with the operation groove 51 provided in the narrow guide operation unit 50 of the control unit 7 to pull the wire cable 43 toward the control unit 7 (see FIG. 11 for understanding). For the sake of simplicity, a side view and a front view of the narrow guide operating portion 50 are also shown in the same drawing), and the overhanging operation groove 51A to be engaged at the overhanging position in the operation groove 51 is a narrow guide. When a large impact (load) is applied to 20 in the retracting direction, the narrow guide operation member 26 is configured to be detached from the overhang operation groove 51A (FIG. 15).

  Therefore, normally, the narrow guide 20 is projected by the pulling operation of the wire cable 43 by the narrow guide operating member 26. However, when a large impact (load) is applied, the narrow guide operating member 26 is detached from the projecting operation groove 51A. The narrow guide 20 is moved in the retracted direction by the elasticity of the spring 42 to prevent damage or deformation.

  Further, when the narrow guide operation portion 50 is formed with a plurality of operation grooves 51 and the projecting amount of the narrow guide 20 is operated stepwise, the projecting amount of the narrow guide 20 according to the state of the field. Can be adjusted, which is preferable.

In the embodiment, three-stage operation grooves 51 of “storage”, “tank”, and “standard” are formed (FIGS. 13 and 15).
Thus, the bent portion K between the rear end of the front narrow guide 21 and the front end of the rear narrow guide 22 is configured so that the front end of the front narrow guide 21 can move up and down around the bent portion K, and the front guide member 36 is arranged. The front mounting portion 35 of the front narrow guide 21 movably mounted on the front side is configured to move the front guide member 36 when the cutting unit 4 is moved up and down (FIG. 17).

That is, since the position of the rotation center (vertical rotation center) S of the cutting part 4 and the bent part K that becomes the rotation center of the front narrow guide 21 of the narrow guide 20 is shifted back and forth, the cutting part 4 moves up and down. When rotating, the positional relationship between the front guide member 36 of the cutting part 4 and the front mounting part 35 of the front narrow guide 21 changes, but the front guide member 36 of the cutting part 4 and the front mounting part 35 of the front narrow guide 21 By moving relatively, the position shift between the cutting unit 4 and the narrow guide 20 is absorbed.

Accordingly, the rear guide 22 is attached to the fuselage frame 1 and the overall length of the narrow guide 20 is increased. However, the misalignment between the cutting portion 4 and the narrow guide 20 due to the vertical rotation of the cutting portion 4 is absorbed. can, to prevent damage or deformation of the narrow guide 20.

  In addition, even in other models in which the positional relationship between the machine body frame 1 and the cutting unit 4 is different, the narrow guide 20 can be attached by providing the front guide member 36 in the cutting unit 4, and versatility is improved. Be made.

  Further, since the narrow guide 20 is provided with a spring 42 that constantly urges the narrow guide 20 in the retracted direction on the support arm 38 that is pivotally attached to the rear narrow guide 22, when the narrow guide operating member 26 is extended, The wire cable 43 is pulled, and the wire cable 43 rotates the support arm 38 in the protruding direction of the narrow guide 20, and the front end side of the support arm 38 outwards the front part of the rear narrow guide 22 and the rear part of the front narrow guide 21. Move and narrow guide 20 is extended.

  On the other hand, when the narrow guide operating member 26 is retracted, the wire cable 43 is loosened. Therefore, the wire cable 43 causes the spring 42 to act to rotate the support arm 38 in the retracting direction of the narrow guide 20 for storage.

Accordingly, the narrow guide 20 is extended and stored by remote control from the control unit 7.
In addition, since the narrow guide 20 is extended and retracted by the rotation of the support arm 38, the load caused by the operation “knitting” is small and the operability is improved.

  Thus, both the front guide member 36 of the cutting unit 4 and the rear guide member 46 of the machine body frame 1 are constituted by shaft rod members, and the front mounting part 35 and the rear mounting part 45 are composed of the front guide member 36 and the rear side. Since the guide member 46 is slidably attached to the guide member 46, the amount of change in the entire length of the narrow guide 20 can be absorbed smoothly, and can be substituted for other models as it is, thereby improving versatility (FIGS. 18 and 20). ).

  Thus, the weeding device 8 is formed to have a predetermined left and right width, and is attached to the tip of the weeding frame 23 whose base is fixed to the fixed part of the cutting part 4, and the weeding frame 23 is guided to the front side of the cutting part 4. The member 36 is configured so as to be positioned on the inner side (the already cut ground side) than the outer edge on the uncut ground side of the weeding device 8 (FIG. 21).

That is, the front attachment portion 35 of the narrow guide 20 is positioned (hidden) behind the weeding device 8 to prevent an increase in contact resistance with the uncut grain culm on the uncut ground side.
In this respect, the configuration of the overhang mechanism of the narrow guide 20 is realized by a configuration in which the front side of the front narrow guide 21 is slid linearly, so that a rational configuration is obtained.

  Thus, the mounting member 40 has its base portion rotatably attached to the front lateral frame 32 by the front-rear horizontal shaft 58, and the horizontal support shaft 38 is always attached to the horizontal shaft 58 in the downward rotational direction around the horizontal shaft 58. A spring 59 is attached (FIGS. 22 and 23). One end of an up / down wire cable 60 is separately attached to the support arm 38, and the up / down wire cable 60 is connected to an up / down operation lever 61 for up / down operation provided separately in the control unit 7.

  Therefore, when the vertical wire cable 60 is pulled by the vertical operation lever 61, the support arm 38 is rotated upward, the position of the overhanging narrow guide 20 is increased, and the upper portion of the uncut grain cedar is guided away from the airframe. In particular, it is possible to prevent the culm supply / conveyance device 19 from entraining uncut cereals near the starting end of the cereal supply / conveyance device 19.

  That is, the support arm 38 is supported by the mounting member 40 that moves the narrow guide 20 up and down, and is moved up and down by the spring 59 and the up and down wire cable 60, which is preferable because the number of parts can be reduced.

  Therefore, if the wire cable 43 and the spring 42, and the up and down wire cable 60 and the spring 59 are positioned below the inlet jawo 34 provided on the front side of the threshing device 3, the space can be used effectively, which is preferable. (FIGS. 24 and 6).

  Further, accumulation of sawdust on the wire cable 43 and the spring 42 and the upper and lower wire cables 60 and the spring 59 can be prevented, and the installation and adjustment work can be easily performed.

  Each of the above-described embodiments is illustrated or described separately or mixed for easy understanding, but these can be combined in various ways, and the expression, configuration, action, etc. It is not limited, and there are of course cases where a synergistic effect is obtained.

The side view of the harvesting part vicinity of a combine. FIG. The front view. The top view of a narrow guide. The perspective view of a connecting rod and a guide. The top view near a narrow guide. The top view of the other Example of a narrow guide. FIG. The same side view. The top view of the link mechanism which projects and retracts a narrow guide. The overhanging state top view. The top view of the link mechanism of the narrow guide extended state. FIG. 3 is a schematic plan view of a narrow guide stored, short-hanging, and overhanging. The side view of a narrow guide operation part. The top view of a narrow guide operation part. The front view of a narrow guide operation part. The schematic side view which shows the positional relationship with a narrow guide when a cutting part goes up and down. Side view of a narrow guide substituted for another model. FIG. The sliding state top view of a narrow guide. The top view of the front side attachment part of a narrow guide. The front view of the other Example of a narrow guide. FIG. The side view of the other Example of a narrow guide. FIG.

DESCRIPTION OF SYMBOLS 1 Airframe frame 2 Traveling device 3 Threshing device 4 Harvesting part 5 Glen tank 7 Control part
Eight weeding device 20 Narrow guide 21 Front narrow guide 22 Rear narrow guide
23- minute weed frame 26 Narrow guide operation member
32 Front side horizontal frame (front side horizontal frame)
35 Front mounting part
36 Front guide member 38 Support arm
39 axes (first axis)
40 mounting members
41 axes (second axis)
42 spring 43 wire cable
45 Rear mounting part
46 Rear guide member 50 Narrow guide operation part 51 Operation groove
K bend
S rotation center (vertical rotation center)

Claims (2)

A traveling device (2) is provided below the fuselage frame (1), a threshing device (3) is provided on one upper side of the fuselage frame (1), and a glen tank (5) is provided on the other upper side of the fuselage frame (1). Provided, a steering part (7) is provided in front of the Glen tank (5), a cutting part (4) is provided in front of the body frame (1), and a threshing device (3) is provided from the side of the cutting part (4). Provided with a narrow guide (20) for weeding uncut cereal grains over the side of the narrow guide (20), divided into a front narrow guide (21) and a rear narrow guide (22), front mounting portion of the front end of the front narrow guide (21) to (35), the reaper to (4) the front end of the minute grasses device (8) before the side guide member provided to a separatory grass frame (23) supporting (36) mounted for back and forth movable and rotation, after the rear end of the rear narrow guide (22) Mounting portion (45) is mounted movably back and forth to the side guide member (46) after providing the body frame (1), the front end of the rear end portion of the front narrow guide (21) and the rear narrow guide (22) bent portion and a part mounted in a freely curved form (K), free longitudinal axis rotating the tip of the support arm (38) to the front portion of the rear narrow guide (2 2) in the first shaft (39) mounting only, attached to the base of the support arm (38) freely vertical axis pivots lateral frame of the front of the body frame (1) the second shaft to the mounting member (40) provided in the (32) (41), the A spring (42) for constantly urging the support arm (38) in the retracting direction of the narrow guide (20 ) is attached to the support arm (38), and the support arm (38) is pushed toward the body frame (1) side. When a load is applied, the front end of the front narrow guide (21) and the rear narrow guide ( 22) The rear end of each of the front guide member (36) and the rear guide member (46) is moved back and forth, and the vertical rotation center (S) of the cutting part (4) is The position of the vertical rotation center (S) and the position of the bent portion (K) are shifted in the front-rear direction so as to be in front of the bent portion (K), and the front side is centered on the bent portion (K). The front guide member (36) is configured so that the front end of the narrow guide (21) can be moved up and down, and the front mounting portion (35) at the front end of the front narrow guide (21) is rotated when the cutting part (4) rotates up and down. A combine that is configured to move back and forth with respect to. One end of a wire cable (43) is attached to the support arm (38), and the other end of the wire cable (43) is extended from the steering section (7) with a narrow guide (20), and a narrow guide operating member ( 26), and a narrow guide operation part (50) having an operation groove (51) engaged with the narrow guide operation member (26) is provided on the outer side of the control part (7). The combine according to claim 1.

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