JP2010004844A - Narrow guide of combined harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To compactly store a narrow guide concerning the combine harvester narrow guide for outward dividing and guiding grain straws on the un-reaped field side. <P>SOLUTION: The combined harvester has a reaping portion (4) for reaping standing grain straws and simultaneously conveying and feeding the grain straws to a threshing portion (3), is provided with the narrow guide (16) capable of being switched into a grass-dividing action posture outward expanded from a side cover (25) for covering the un-reaped field side lateral portion or into a stored posture stored on the machine frame side, on the un-reaped field side lateral portion of the reaping portion (4). The narrow guide (16) is formed in a state capable of being freely expanded or stored through a bendable link (17) comprising the first link (17a) capable of being bent or stretched in the lateral direction and the second link (17b). The second link (17b) is set to a lower position than the first link (17a) and can be stretched from the lower side of the side cover (25). <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a narrow guide for a combine that guides cereals on an uncut land side to the outside.

Conventionally, for example, in Patent Document 1, a narrow guide that can be switched between a weeding action posture that projects outward and a storage posture that is stored in the fuselage side is provided on the side portion of the uncut grass side of the cutting portion. The narrow guide is configured to be able to be remotely operated by switching an operation position and a stowage posture by operating an operation lever provided near the operation portion, and the narrow guide is a first link that can bend and stretch in the lateral width direction. And a structure that can be extended and retracted via a bending / extending link composed of a second link and a second link.
JP 2006-42650 A

  In the case where the narrow guide can be extended and retracted via the bending / extending link, the first link on the fuselage side can be stored in the side cover that covers the lateral side of the cutting part when the narrow guide is stored. The second link on the guide side interferes with the side cover and protrudes to the outside of the side cover, which makes it difficult to store the narrow guide in a state in which the narrow guide is brought close to the outer surface of the side cover.

  An object of the present invention is to solve the above-mentioned problem by accommodating the narrow guide in the side cover without interfering with the side cover when the narrow guide is stored.

In order to solve the above problems, the present invention has taken the following technical means.
That is, in the combine provided with the harvesting part (4) that is transported and supplied to the threshing part (3) while cutting the napped grain cocoon, the side part of the harvesting part (4) on the side of the uncut area is uncut. There is provided a narrow guide (16) that can be switched between a weeding action posture that projects outward from the side cover (25) that covers the lateral side of the ground side and a storage posture that is housed on the machine body side. The first link (17a) and the second link (17b) that can be bent and extended in the lateral direction are configured to be able to be extended and retracted via the bending and extending link (17), and the second link (17b) is the first link. The narrow guide for the combine is characterized in that it is set at a position lower than the link (17a) and enters and exits from the lower side of the side cover (25).

  The narrow guide (16) has a weeding posture that projects outward from the side cover (25) and a storage posture that is stored on the side cover (25) side of the machine body by switching the operation lever (18). Can be switched.

  When the narrow guide (16) extends, the second link (17b) protrudes outward from the lower side of the side cover (25). When the narrow guide (16) is stored, the second link (17b) The narrow guide (16) can be accommodated in a state as close as possible to the outer surface of the side cover (25).

  According to the present invention, since the second link (17b) on the narrow guide (16) side is set at a position lower than the first link (17a) on the machine body side, from the lower side of the side cover (25). When the narrow guide (16) is stored, the second link (17b) enters the side cover (25) without interfering with the side cover (25), so that the narrow guide (16) can be moved as much as possible. The side cover (25) can be stored in a compact manner by approaching the outer surface of the side cover (25).

An embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a front view of a combine. This traveling vehicle body 1 is provided with a pair of left and right traveling crawlers 2 and 2, and a cutting portion 4 is provided in front of a threshing portion (threshing device) 3 mounted on the rear portion. The side of the mowing unit 4 is provided with a driving operation unit including a driver's seat 5, a front operation box 6 and the like, and further, a grain for temporarily storing threshing grains behind the driving operation unit. Equipped with tank G. On the right side of the front operation box 6, there is installed a power steering lever 40 that controls the advancing direction of the machine body by a left-right operation and controls the cutting unit 4 to move up and down by a front-back operation. Further, on the side operation box 7 on the left side of the driver's seat 5, a cutting / clipping clutch lever 41 that intermittently operates rotational power to the cutting unit 4 and the threshing unit 3, a transmission lever (HST lever) 42 that controls the traveling speed, etc. Is arranged.

  The reaping part 4 includes a herb body 8 that divides a raised cereal to the left and right, a cereal raising device 9 that raises the cereal after weeding, and a reaping device 10 that reaps the raised cereal. , A scraping and transporting device 11 that scoops and transports the cereal after harvesting, and a cereal transporting device 12 that lifts and transports the cereal after scraping and passes it to the feed chain 3a of the threshing device 3, etc. It is configured to move up and down through a cutting vertical frame 13 that can move up and down with respect to the vehicle body.

Each weed body 8 is attached to the tip of a weed support frame 15 projecting forward from the cutting device 10 side.
A narrow guide 16 that can be switched between a weeding action posture that projects outward and a storage posture that is housed on the machine body side is provided on the side portion of the mowing portion 4 that is not cut. The narrow guide 16 is pivotally supported by the front end portion of the weed support frame 15 at the back position of the weed body 8 on the uncut grass side (left side), and the rear end of the narrow guide 16 in the front-rear direction. It is supported so as to be slidable, and is linked so as to be able to be extended and retracted through a bending / extending / contracting link 17 composed of a first link 17a and a second link 17b. It is configured to be interlocked so that it can be remotely operated by an operation lever 18 provided near the side operation box 7. A bracket 19 is attached near the lower end side of the vertical transmission pipe 26 and is raised at the base end side of the left weed support frame 15 on the left side (the uncut ground side). The bracket 19 has a rotating shaft 20 standing up and down. Further, the balance arm 21 and the first link 17a of the bending / extending link 17 are fixed to the rotating shaft 20 so as to rotate integrally.

  The second link 17b is provided with a step H so as to be lower than the ground height with respect to the first link 17a, so that the second link 17b can easily enter and exit from the lower side of the side cover 25 covering the lateral outer side of the cutting portion. It is configured. The second link 17b only needs to be bent downward from the middle portion so that the connecting portion 17c for the narrow guide 16 is positioned below the lower edge of the side cover 25. One end side of two operation wires 22 a and 22 b is connected to both ends of the balance arm 21, and the other end side of the operation wires 22 a and 22 b is interlocked and connected to a swing arm 23 that swings by operation of the operation lever 18. ing.

  The two operation wires 22a and 22b are pulled up to a vertical transmission pipe 26, a raised horizontal transmission case 27 horizontally installed on the upper part of each raising device, and extended rearward from an intermediate portion of the raised and horizontal transmission case 27. The raising support frame 28 connected and held on the base side of the vertical frame 13 and the rear side of the front dustproof cover 30 covering the upper part of the conveying path of the harvested cereal mash transporting portion 12 are routed along the grain in the cereal conveying device 12. It is provided above the tip guide plate 14 that guides the ear part side of the harvested cereal rice bran provided on the upper side of the straw transport path along the transport path. The operation wire 22 that is raised and laid along the lateral transmission case 27 is configured to be raised and covered with the upper cover 29.

  The operation lever 18 is disposed between the driver's seat 5 and the rear dust cover 31 and swings and displaces the swing arm 23 by a front / rear direction operation with the horizontal axis 24 in the left / right direction as a rotation fulcrum. , 22b is configured to be pulled back. The horizontal shaft 24 has a configuration in which a bearing is held via a support stay 33 on an arch-shaped cover support frame 32 that supports the front dustproof cover 30.

The rear dust-proof cover 31 is superposed on the upper side of the front dust-proof cover 30, and is configured to be slidable in the front-rear direction.
When the operation lever 18 is rotated backward, the wire 22a connected to one end side of the balance arm 21 is pulled toward the operation lever 18 side, and at the same time, the wire 22b connected to the other end side of the balance arm 21. Is pulled back to the counter-operating lever. As a result, the balance arm 21 swings clockwise, and the first link 17a integrated with the rotation shaft 20 rotates outward. By this rotation, the bent link 17 in a refracted state extends linearly and pushes the narrow guide 16 outward, and the narrow guide protrudes outward to switch to the weeding posture. When the operation lever 18 is rotated forward, the wire 22b is pulled toward the operation lever 18, and at the same time, the wire 22a is pulled back toward the counter operation lever, so that the balance arm 21 swings counterclockwise. The rotation shaft 20 rotates in the same direction, and the first link 17a integrated therewith rotates inward. As a result, the links 17a and 17b in the linear state are bent in the direction of contraction and the narrow guide 16 is retracted inward, and the narrow guide is retracted inward to be switched to the storage position. At this time, the second link 17b penetrates the lower side of the side cover 25 into and out of the side cover 25, and the narrow guide at the time of storage is stored close to the outer surface of the side cover.

  The side cover 25 that covers the lateral outer side of the cutting part is supported by a side cover support member 43, and supports an operating mechanism part A of a narrow guide including the bracket 19, the rotary shaft 20, the balance arm 21, the wire holder 34, and the like. The operating mechanism support member 44 is detachably connected to the side cover support member 43 with bolts and nuts 45 or the like. At both ends of the balance arm 21, wire attachment pins 21a and 21b for attaching the wires 22a and 22b are projected. The wire holder 34 is provided with wire holding grooves 34a and 34b for engaging and holding the wires 22a and 22b. The wires 22a, 22b are raised and arranged upward from the vicinity of the transmission pipe 26 so as to follow the pipe 26 in the vertical direction. The narrow guide actuating mechanism A is disposed between the left-side raised transmission pipe 26 and the side cover 25 so as not to hinder the transporting action of the cereal, and in the side cover 25 in a side view. By disposing in, the safety is improved and the accumulation of straw waste is prevented.

  In the embodiment shown in FIG. 7, the narrow lever operating lever 18 is arranged near the side operation box 7 on the side of the driver's seat and outside the cutting clutch releasing lever 41 (on the cutting unit side). ). As a result, the operation interlocking with the cutting / removing clutch lever 41 is improved, and the operation lever 18 is handled by being disposed between the left end of the side operation box 7 and the right side surface of the rear dust cover 31. Can improve the performance.

  Further, as shown in FIG. 7, the operation of the operation lever 18 can be easily extended and retracted from a place other than the driver's seat 5 by providing the auxiliary operation lever 35 on the left side of the dustproof cover 31. . As shown in FIG. 8, the main operation lever 18 and the auxiliary operation lever 35 are configured to rotate integrally via the interlocking shaft 36, and the narrow guide operates in the same direction regardless of which lever is operated. It is like that.

  As an example of the configuration different from the above, the auxiliary operation lever 35 is raised and arranged (not shown) at an intermediate portion of the lateral transmission case 27 and is configured to be interlocked and connected to the main operation lever 18 near the driver's seat. You can also. Further, the main operation lever 18 may be raised and arranged at an intermediate portion of the lateral transmission case 27, and the auxiliary operation lever 35 may be raised and arranged on the left end side of the lateral transmission case 27 so that both are interlocked with each other. .

  As shown in FIG. 3, an input transmission case 46 in which a cutting input shaft input from the engine is mounted on an interior shaft is laid on a suspension stand standing from the vehicle body side, and forward and downward from an intermediate portion of the input transmission case. The cutting transmission case 47 extending in the left-right lateral direction from the front end portion of the extending cutting frame 13 is provided so as to be able to transmit the cutting device 10 of the cutting unit 4, the scraping conveyance device 11, and the like. The input transmission case 46 is configured to move up and down using the axis of the input transmission case 46 as a rotation fulcrum. Further, it is configured to drive from the left end side of the cutting transmission case 47 and drive the driving shaft in the transmission pipe 26.

Combine front view Top view of the main part Side view of the main part of the cutting part Cross sectional view of the main part Plan view showing the operating state of the narrow guide Front view of the main part Top view of the main part of the combine The perspective view which shows the interlocking | linkage structure of a main operation lever and an auxiliary operation lever

Explanation of symbols

3 Threshing section 4 Cutting section 16 Narrow guide 18 Operation lever
17 Bend-stretch link 17a First link 17b Second link 25 Side cover

Claims (1)

  In the combine provided with the cutting part (4) that is transported and supplied to the threshing part (3) while cutting the napped grain straw, the side of the uncut area side of the cutting part (4) A narrow guide (16) is provided that can be switched between a weeding action posture that projects outward from the side cover (25) that covers the lateral side of the machine and a storage posture that is housed on the machine body side. The first link (17b) can be extended and retracted via a bending / extending link (17) composed of a first link (17a) and a second link (17b) that can bend and stretch in the direction. A narrow guide for a combine, characterized in that it is set at a position lower than 17a) and enters and exits from the lower side of the side cover (25).

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