JP2009201428A - Reaping transporting part of combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance efficiency of reaping work by preventing hill splitting of central grain culms with a central grass dividing rod, and enabling smooth feeding of the grain culms from the grass dividing rods to grain culm raising up apparatuses. <P>SOLUTION: The right and the left grain culm raising up apparatuses (7, 7) are installed at the rear on the inside of the right and the left grass dividing rods (6a, 6b) in a reaping and transporting part (5), and right and left grain culm collection transporting apparatuses (10, 10) are installed in the lower central part on the rear side of the right and the left grain culm raising up apparatuses (7, 7). The tip position of the central grass dividing rod (6c) is arranged by shifting thereof to one side of the right and the left by a prescribed interval from the central position (C) of each transfer locus of the tips of right and left raising up lugs (7a, 7a). <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a harvesting and conveying unit for a combine.

  In the harvesting and transporting section of the two-row combine combine, left and right weed culms are abolished, and the central weed culm is abolished. The left and right root conveying devices are arranged so that the width of the cereal conveying path becomes narrower from the left and right sides to the rear side at the center of the lower part of the left and right cereal raising devices. Extending from the upper rear of the root transport device the left and right auxiliary transport devices that are approximately the same width as the narrow cereal transport passage forward, while scrambling the stagnation of cereals that tend to stagnate near the front of the center What is conveyed back is well-known. (Patent Document 1).

In addition, the left and right grain raising devices are arranged symmetrically with respect to the center line in the front-rear direction of the aircraft, and the left and right raising lugs of the left and right grain raising devices approach each other and are inclined upwardly When moving to the left and right, the leading part of the left and right raised lug moves along the longitudinal center line of the aircraft, and the weed tip of the central weed ridge is placed along the longitudinal center line of the aircraft. This is known.
Japanese Patent Laid-Open No. 2003-210022

  In the above-mentioned prior art, when the harvesting operation of the three-row grain culm is performed with a two-line harvesting combine, the central weed culm acts to interrupt the central cereal culm and disturbs the harvesting action of the corn straw. There is a problem that cereals are disturbed. The present invention intends to solve such a problem by disposing the central weed culvert with a predetermined interval left and right with respect to the movement trajectory of the raising lag of the left and right grain raising apparatus. is there.

  In the present invention, left and right weed pods (6a, 6b) are provided at both ends in the left-right direction of the cutting and conveying section (5), respectively, and a central weed ridge (6c) is provided at the center in the left and right direction of the cutting and conveying section (5). And left and right cedar raising devices (7, 7) in a rearwardly inclined manner with a predetermined interval on the inner rear side of the left and right weed pods (6a, 6b). The left and right cereal feeding and conveying devices (10, 10) are arranged in the rear lower central part of the device (7, 7) so that a cereal scraping and conveying path narrowing from the left and right sides to the rear side is formed. The left and right grain raising devices (7, 7) of the raising lugs (7a, 7a) are pivoted from the left and right sides toward the center on the lower side, and then the upper ends are brought close to each other. It is configured to move, and the tip position of the central weed ridge (6c) The reaper transport unit combine, characterized in that arranged just shifted to one lateral side by a predetermined distance from the heart position (C).

  According to the above configuration, the cereals are separated by the left and right weed shears 6a and 6b and the central weed shear 6c which is shifted to the left and right from the center position C of the movement trajectories of the left and right raised lugs 7a and 7a. Next, the cereal culm is squeezed from the left and right sides to the center by the left and right lagging lugs 7a and 7a of the left and right cereal lifting devices 7 and 7, and then the left and right lifting The tip portions of the lugs 7a, 7a approaching each other are forcibly raised to the upper rear side along the center position C of the respective movement trajectories of the left and right lugs 7a, 7a. Next, the culm that has been caused and cut off is transported toward the left and right central parts by the left and right cereal collecting and conveying devices 10 and 10. Further, the cutting position for the two-row cutting is arranged by shifting the tip position of the central weed ridge 6c from the center position C of the movement trajectory of the left and right raised lugs 7a, 7a, for example, to the left by a predetermined interval. Even if 3 grains of cereal are introduced in spite of being part 5, it is possible to weed while avoiding splitting of the central cereal.

  According to the present invention, the tip position of the central weed fence 6c is shifted from the center position C of each movement locus of the right and left lugs 7a, 7a, for example, to the left by a predetermined distance, for example for two-row cutting. Even when 3 grain culms are introduced while being the harvesting and transporting unit 5, weeding can be carried out while avoiding the splitting of the cereal, and can be caused and reaped smoothly, improving the efficiency of the harvesting operation of the combine. Can do.

  First, the overall structure of a combine equipped with the present invention will be described with reference to FIGS. 1 is an overall side view of the combine, FIG. 2 is an overall plan view, and FIG. 3 is a front view.

  The left and right traveling crawlers 2 and 2 are arranged below the traveling chassis 1 of the combine, the steering unit 3 is mounted on the front right side of the traveling chassis 1, and the threshing unit 4 is mounted on the front left side. The part is provided with a cutting and conveying part 5 so as to be movable up and down. The cutting and conveying unit 5 includes a plurality of weed ridges 6,..., A grain raising device 7,..., A cutting blade device 8, a grain culm picking and conveying apparatus (not shown), a cereal collecting and conveying apparatus 10, A cereal conveying device 11 or the like is provided.

  With the above configuration, when the rotating parts of the combine 1 are driven to start the harvesting operation, the traveling crawlers 2 and 2 rotate to start the traveling of the combine 1, and the cereals in the field are the weeds on the front side of the cutting and conveying unit 5. It is guided by the culm raising device 7 while being weeded for each culm row by the cocoons 6, 6, and is caused by the lag 7a,. The raised cedar is cut by the cutting blade device 8 and conveyed rearward by the cereal scraping and conveying device (not shown), the cereal collecting and conveying device 10 and the culm conveying device 11, and the feed chain of the threshing unit 4. 4a is taken over and threshing.

Next, FIG. 4 will be described.
The front side of the cutting and conveying unit 5 is provided with a left weed rod 6a, a right weed rod 6b, and a central weed rod 6c, and the rear of these weed rods 6a, 6b, 6c is inclined rearward and upward. However, left and right grain raising devices 7, 7 provided with left and right raising lugs 7a,. In the front lower part of the left and right grain raising devices 7, 7, the left and right raising lugs 7 a,... Rotate from the left and right sides toward the center to scrape the left and right grains, and then the left and right raising lugs 7 a , 7a are moved upward and rearward while approaching each other to cause cereals. Further, in the lower central part of the left and right grain raising devices 7, 7, there is a cutting blade device 8 that cuts the induced grains and the grain grinding so that the width from the left and right sides to the rear becomes narrower toward the rear. Left and right cereal collecting and conveying devices 10 and 10 are provided in which an inclusive conveying path is formed.

  Further, when the weed baskets 6 are provided in front of the left and right grain raising devices 7 and 7, the tip of the left weed basket 6a and the right weed basket 6b having a wide weed width are The left and right grains are guided to the left and right grains 7 and 7 so as to be located on both the front left and right sides of the grain raising apparatus 7, 7, and the central weed basket with a narrow weed width is also provided. The tip position of the weeding action 6c is shifted from the center position C of each movement locus of the left and right lugs 7a, 7a to the left and right sides by a predetermined distance.

  Further, as shown in FIG. 4A, the central weed ridge 6c is composed of a weed supporting rod 6c1 along the front-rear direction and a narrow weed body 6c2. A right / left adjusting means 16 is provided at the tip of the weed support rod 6b1 of the right weed rod 6b so that the weed tip position of the weed body 6b2 can be adjusted to the left and right.

Moreover, as shown in FIG. 5, the weed support rod 6c1 of the central weed rod 6c may be configured to extend in a front left inclined shape in plan view, and a narrow weed body 6c2 may be attached to the tip thereof. .
Further, as shown in FIG. 6, in constructing the central weed ridge 6c, the rear side portion of the weed support rod 6c1 is arranged in the front-rear direction in a plan view, and then the front side portion is extended to the front left inclined shape. It is good also as a structure which takes out and attaches the narrow weed body 6c2 to the front-end | tip part. If comprised in this way, even if it divides the uncut harvest grain cereal at the front left-sloped part of the narrow weed body 6c2 and the weed support rod 6c1 at the time of the horizontal cutting operation, In the rear side along the front-rear direction, it is possible to avoid splitting the stock and to reduce the overthrow of the cereal.

In the conventional apparatus, the left and right pull-up lugs 7a, 7a are arranged on the front extension line of the center position C of the respective movement trajectories of the distal end portions.
In such a configuration, if the grain spacing of the grain husks deviates from the normal line spacing, for example, 30 cm due to a mistake in the operation of the hand-planting or rice transplanter, In the normal cutting operation performed by combining the chopping pods, the tip of the weeding action of the central chopping pod 6c caused a problem of splitting the uncut cereal cocoons.

  However, according to the above-described configuration, it is possible to avoid the splitting of the cereal by disposing the left and right pulling lugs 7a, 7a from the center position C of the respective movement trajectories to the left and right sides by a predetermined distance. it can. In addition, even when three-row harvesting is performed using a two-row harvesting combine, avoid splitting the middle weed row 6c into the middle row of culm rows, and weed and raise the culm smoothly. Can do.

  Moreover, you may comprise as shown in FIG. In order to provide the left weed basket 6a, the right weed basket 6b and the central weed basket 6c in front of the right and left grain raising devices 7, 7, the tips of the left weed basket 6a and the central weed basket 6c The interval between the right weed ridge 6b and the tip weeding position of the central weed ridge 6c is about 1.5 times the interval between the weed positions, and the left weed ridge 6a and the center The distance between the tip weeding action positions of the weed ridges 6c is configured to exceed the normal streak distance, for example, 30 cm. In addition, P shows an uncut grain cereal.

  According to the above-mentioned configuration, in the three-row cutting operation in the field where the interval is irregular with respect to the normal interval of 30 cm, for example, the uncut cereal culm is divided by the tip weeding position of the weed ridges 6a, 6b, 6c. Can be reduced.

  Moreover, you may comprise as shown in FIG. The center weed ridges 6c are arranged with their weed tip positions shifted to the left by a predetermined distance from the center position C of the movement trajectories of the left and right lugs 7a, 7a. In which a left weed rod 6a, a right weed rod 6b and a central weed rod 6c are provided in front of the right side from the center position C of each moving locus of the left and right raised lugs 7a, 7a A wide guide surface having a rear-right lower slope is formed, and a left side portion is formed as a narrow rear left-lower slope guide surface.

  According to the above configuration, the cereal pods that have been weeded at the tip weeding position of the weed body 6c2 of the central weed pod 6c are moved to the center position C of the right and left pulling lugs 7a, 7a at the tip of each movement locus. It is guided by the wide guide surface inclined downward to the right, and can be reliably guided to the leading lugs 7a, 7a of the left and right grain raising devices 7, 7, to the raising lugs 7a, 7a. Grains of cereals can be taken in smoothly, and the performance of cereals can be improved.

  Moreover, you may comprise as shown in FIG. The tip weeding action position of the weeding body 6c2 of the central weed ridge 6c is arranged, for example, at a position shifted by a predetermined distance from the extended line of the center position C of each moving locus of the left and right pulling lugs 7a, 7a. The left weed halves 6a and the right weed halves 6b are provided in front of the left and right cereal erection devices 7 and 7, and the weed body 6c2 of the central weed halves 6c is configured to be narrow. A right guide rod 17 is provided on the right side of the grass body 6c2 to guide the grain basket diagonally right rearward. And the front side part of this right side guide rod 17 is comprised in the back right downward inclined shape which goes to the extension line of the center position C by planar view, and the rear side part forms the guide surface along a front-back direction. According to the said structure, the effect similar to embodiment of FIG. 8 can be anticipated.

  Moreover, you may comprise as FIG. The tip weeding action position of the weed body 6c2 of the center weed ridge 6c is arranged at a predetermined interval, for example, on the left side from the extension line of the center position C of each moving locus of the left and right raised lugs 7a, 7a, In the case where the left weed basket 6a, the right weed basket 6b and the central weed basket 6c are provided in front of the grain raising apparatus 7 and 7, the weed body 6c2 of the central weed basket 6c and the left branch The tip weeding action position of the weed body 6a2 of the grass basket 6a is configured to be adjustable left and right by the left and right adjusting means 16,16. Further, the tip weeding action position of the right weed ridge 6b is configured to be adjustable left and right, and adjusted by remote control means (not shown) from the control unit 3, so that the weed width can be adjusted to be wide or narrow. .

  According to the above configuration, the left weed rod 6a, the right weed rod 6b, and the central weeds in the irregular field cutting operation, the middle cutting operation, and the turn cutting operation in which the interval is not a regular interval. Stock splitting can be avoided by adjusting the tip weeding action position of the ridge 6c to the left and right. Even if the width of the traveling crawlers 2 and 2 changes between the standard type and the wet rice field type, the tip weed positions of the left weed ridge 6a, the right weed ridge 6b and the central weed ridge 6c are adjusted to the left and right. Thus, even if the mud gathering position of the traveling crawlers 2 and 2 is changed, it can be handled smoothly, and mud adhesion to the cereal can be avoided.

  Further, when the tip weed position of the weed body 6c2 of the central weed ridge 6c is supported by the left and right adjusting means 16 so as to be adjustable left and right, it may be configured as shown in FIGS. The rear base portion of the weed support rod 6c1 along the front-rear direction of the central weed rod 6c is attached to a rear cutting frame portion (not shown), and the front end of the weed support rod 6c1 is raised left and right in plan view. The lugs 7a and 7a extend to the lower part of the grain merging portion where the lugs 7a and 7a approach each other and rotate upward in the rear side. A front mounting hole 16a and a rear mounting hole 16b of the left / right adjusting means 16 are provided at the front end of the weed support rod 6c1. Further, a front pivot support connection hole 16c and a rear left / right long hole 16d of the left / right adjusting means 16 are provided in the rear portion of the weed body 6c2.

  Then, the front mounting hole 16a and the rear mounting hole 16b on the weed support rod 6c1 side are matched with the front pivot connection hole 16c and the rear left and right elongated holes 16d on the weed body 6c2 side, and further, the central scraping guide rod The front and rear mounting portions of 18 are matched, and the herbicidal body 6c2 and the central take-up guide rod 18 are fastened together by two bolts and nuts (not shown) so that the left and right rotation can be adjusted.

  According to the above configuration, while simplifying the mounting configuration of the central scraping guide rod 18, the left and right guide portions 18 a, 18 a of the subsequent central scraping guide rod 18 cause the grain straw divided by the weeding body 6 c 2 to be raised left and right. The lugs 7a and 7a are pushed into and guided to reliably cause the cereal culm.

  Next, FIG. 13 will be described. A cutting blade frame 20 is provided on the front side of the cutting and conveying unit 5 along the left and right sides. A cutting blade device 8 is attached to the front side of the cutting and conveying unit 5, and a cutting blade is provided by a transmission device (not shown) built in the cutting blade frame 20. The device 8 is driven. The connecting stay 19 is provided with a rear end portion of the weed support rod 6a1 of the left weed rod 6a and a rear end portion of the weed support rod 6c1 of the central weed rod 6c. The connecting stay 19 is attached to the left and right by bolts and nuts.

  According to the above configuration, it is possible to adjust the left and right positions at once while maintaining a predetermined distance between the left weed ridge 6a and the central weed ridge 6c, and the adjustment operation becomes easy.

Combine side view Overall plan view of combine Combine front view (A) Front view of the cutting and conveying section (B) Plan view of the cutting and conveying section Plan view of the cutting and conveying section Plan view of the cutting and conveying section Plan view of the cutting and conveying section (A) Front view of the cutting and conveying section (B) Plan view of the cutting and conveying section (A) Front view of the cutting and conveying section (B) Plan view of the cutting and conveying section Plan view of the cutting and conveying section Plan view of the cutting and conveying section Plan view of the cutting and conveying section Top view and front view of the cutting and conveying section

Explanation of symbols

2 Traveling crawler 5 Cutting and conveying section 6a Left weed shear 6b Right weed shear 6c Central weed shear 7 Grain raising device 7a Raising lug 10 Left and right grain collecting and conveying device C Left and right raising lug tip Center position of each movement trajectory

Claims (1)

  Left and right weed pods (6a, 6b) are provided at both left and right ends of the cutting and conveying section (5), respectively, and a central weed ridge (6c) is provided at the center in the left and right direction of the cutting and conveying section (5), The left and right cedar raising devices (7, 7) are provided on the inner and rear sides of the left and right weed buds (6a, 6b) at a predetermined interval in a rearwardly upward inclined manner (7, 7). 7) The left and right grain collecting and transporting devices (10, 10) are provided in the rear lower central part so as to form a grain straw transporting path that becomes narrower from the left and right sides toward the rear. The raising lugs (7a, 7a) of the grain raising device (7, 7) are rotated from the left and right sides toward the center on the lower side, and then moved upward with their tips approaching each other. , The tip position of the central weed ridge (6c) is the center position of each movement locus of the tip of the left and right lugs (7a, 7a) ( Conveying portion Reaper Combine characterized only that the staggered on one lateral side by a predetermined distance from).

Images