JP2009148184A - Head feeding combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To perform reaping work without hanging straw to be finely cut left on a machine pass track in a proceeding process on a grass sorting tool in a succeeding process, in a head feeding combine harvester in which a reaping part is connected to the front of a traveling body having right and left crawler traveling devices, a waste straw cutter for finely cutting waste straw in an attitude that the waste straw is laterally fallen is connected to and arranged at the rear of a grain threshing device mounted to the traveling body, and a discharging shoot which flowingly guides the straw to be finely cut, and discharge it on the ground is arranged at a lower part of a cutter case in the waste straw cutter. <P>SOLUTION: The discharging shoot 17 which discharges the straw to be finely cut left at a side being a not-yet reaping side at whirl reaping on the ground by flowingly guiding it to an already-reaped side is extended to the substantial center of the machine width M. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention connects a cutting part to the front part of a traveling machine body having left and right crawler traveling devices, and connects a draining wall cutter that shreds the draining wall in a lying position to the rear part of the threshing device mounted on the traveling machine body. It is related to the equipped self-removing combine.

In the above-described self-detaching combine, a discharge chute is provided below the cutter case of the draining cutter to guide the shredded straw on the uncut side during swiveling to the ground and release it to the ground. Thus, the shredded straw on the uncut side is prevented from falling on the uncut crop (for example, see Patent Document 1).
Japanese Patent Laid-Open No. 11-178432

  In the harvesting work by the combine, it is necessary to be able to run the shredded straw left on the machine passage trace in the previous stroke without being caught by the weeding tool of the harvesting part in the next stroke, and it will be the uncut side It is desirable to release the chopped straws as far as possible from the uncut side. To that end, it is only necessary to extend the discharge chute that guides the shredded straw on the uncut side as long as possible, but the discharge chute is inclined with a flow angle sufficient to allow the shredded straw to flow smoothly. Therefore, the length of the discharge chute is limited by the ground clearance of the exhaust wall cutter.

  In particular, in small models with a small number of cutting lines, it is desirable to install a threshing device low to lower the center of gravity and increase stability, so the ground clearance of the draining cutter tends to be low and the discharge chute is lengthened. It becomes difficult to extend.

  The present invention has been made paying attention to such points, and even in a self-removing combine that is equipped with a low threshing device to increase the stability of the aircraft, The purpose is to allow the chopped straw to be cut without being caught by the weeding tool of the cutting portion in the next step.

A first aspect of the present invention is a waste wall cutter that connects a cutting part to a front part of a traveling machine body that includes left and right crawler traveling devices, and shreds the draining wall in a laid down posture at the rear part of the threshing device mounted on the traveling machine body. And a discharge chute that guides the shredded straw on the uncut side when it is swiveled down to the already cut side and discharges it to the ground. In type combine,
The lower end of the discharge chute extends to substantially the center of the body width.

  According to the above configuration, the shredded straw on the uncut side at the time of swiveling is placed on the field at a position far away from the uncut crop (for example, a position about 1/2 of the body width from the uncut crop). The neglected shredded straw will be positioned away from the cutting width in the next stroke.

  Therefore, according to 1st invention, a cutting operation | work can be performed without hooking the shredded straw left on the cutting trace in the previous process | work with the weeding tool of a cutting part in the next process | process.

According to a second invention, in the first invention,
The lower end of the discharge chute is located between the inner ends of the left and right crawler travel devices.

  According to the above configuration, the shredded straw on the uncut side when turning around will be left on the field between the inner ends of the left and right crawler travel devices, and the shredded straw will be sufficiently removed from the uncut crop. They can be left apart and positioned away from the cutting width in the next stroke.

According to a third invention, in the first or second invention,
The mowing unit is configured to have a specification in which a pair of right and left pulling devices and three weeding tools are arranged in parallel, and both left and right end positions in the mowing width of the mowing unit, and left and right in the step width of the left and right crawler travel devices Both end positions are configured to substantially match in the left-right direction of the machine body, and the position of the lower end of the discharge chute in the left-right direction of the machine body and the position of the central weeding tool in the cutting part in the left-right direction of the machine body are approximately It is what is matched.

  According to the above-described configuration, the rotational cutting operation in which one crop is introduced into each of the pair of right and left pulling devices to cut two strips, and one crop is introduced into one pulling device and the other Even if one crop is introduced into the pulling device and the middle-cutting operation is performed by cutting all three rows, leave the shredded straw away from the uncut crop and place it away from the cutting width in the next stroke. Can do.

A fourth invention is any one of the first to third inventions,
The lower end of the discharge chute is configured to be changeable in the left-right direction.

  According to the said structure, the suitable shredder discharge position corresponding to the magnitude | size of the line of a crop can be set.

A fifth invention is the invention according to any one of the first to fourth inventions,
The lower end height of the discharge chute can be changed.

  According to the above configuration, by setting the height of the lower end of the discharge chute, the discharge chute contacts the ground even when working in a wetland where the crawler traveling device sinks greatly, or when the aircraft tilts backward after crossing over a fence. Damage can be avoided in advance.

  FIG. 1 shows the entire side surface of the self-removing combine, FIG. 2 shows the whole plane, and FIG. 3 shows the back side. In this self-decomposing combine, a cutting unit 3 is connected to a front part of a traveling machine body 2 provided with a pair of left and right crawler traveling apparatuses 1 so as to be able to swing up and down, and the traveling machine body 2 has a threshing device 4 and a grain with an unloader. A grain collection tank 5 is mounted in parallel on the left and right, an operation unit 6 including a driving part is equipped in front of the grain collection tank 5, and a draining cutter 7 and a threshing unit are disposed behind the threshing device 4. It has a structure in which a waste straw conveying device 8 for feeding a subsequent waste straw is provided.

  The mowing unit 3 includes a pair of left and right pulling devices 9 that raises the planted culm to a predetermined cutting posture, a clipper-type mowing device 10 that cuts the raised planted culm, and mowing the harvested and harvested culm After merging in the middle of the width, a cereal conveyor device 12 that feeds the feed chain 11 on the left side outward of the threshing device 4 in a sideways posture is provided.

  A weeding tool 13 is provided at the front end portion of each pulling device 9 and an intermediate portion thereof, and the cutting width W that is the distance between the weeding tools 13 at both the left and right ends is set to a dimension that allows three cuttings. At the same time, the left and right outer end positions of the step width H in the left and right crawler travel devices 1 and the left and right outer end positions of the cutting width W in the cutting unit 3 are matched or substantially coincided with each other in the left and right direction of the machine body. Is configured to be possible. As a result, as shown in FIG. 7 (a), two reapings are performed during normal turning operation in which the side of the body (the left side of the body in this example) is harvested with the uncut side being cut. As shown in Fig. 3, in the middle splitting operation in which the left and right sides of the machine body are cut and crushed, it is possible to cut three lines by full cutting without stepping on uncut crops.

  The discharge wall cutter 7 is a disk-type discharge wall cutter in which a rotary receiving blade 15 and a rotary cutting blade 16 are pivotally supported horizontally at a predetermined interval in a front and rear direction on a cutter case 14. The waste straw that has been transferred to the transfer device 8 is received in a sideways posture and shredded, and discharged from the lower end of the cutter case 14 to the ground.

  As shown in FIG. 3, the lower and right lower ends of the cutter case 14 are respectively equipped with discharge chutes 17 and 18 for guiding the shredder to flow down, and the shredded discharged at the rear lower end of the cutter case 14. A rear guide cover 19 is provided over the entire width of the cutter case 14 to prevent the straw from splashing backward.

  As shown in FIG. 4, the stock chute-side discharge chute 17 that is the uncut side during the swiveling operation is connected to an upper chute 17a that is pivotably movable about a fulcrum a at the upper end, and a lower end thereof. The lower chute 17b is connected to the fulcrum b so as to be swingable left and right. A butterfly bolt 21 is inserted into an arc-shaped long hole 20 formed in the upper part of the rear guide cover 19 and connected to the upper chute 17a by tightening, and an arc-shaped long hole 22 formed in the lower part of the rear guide cover 19. The butterfly bolt 23 is inserted into the lower chute 17b and connected to the lower chute 17b. The mounting angle of the upper chute 17a and the lower chute 17b is adjusted by adjusting the tightening connection position within the range of the arc-shaped elongated holes 20 and 22. The position of the lower end e of the discharge chute 17, that is, the shredder discharge position can be changed and adjusted in the left-right direction and the up-down direction.

  By removing the lower butterfly bolt 23 from the lower chute 17b, the lower chute 17 can be folded largely outward (leftward) around the fulcrum b. As shown in FIG. It is possible to increase the ground clearance at the lower end of the lower chute 17b by inserting into one of the two connecting holes 24 formed in the guide cover 19 and tightening and connecting to the lower chute 17b that is largely folded. It is.

  The upper chute 17a and the lower chute 17b are respectively adjusted to swing to the right most, and the lower end position of the discharge chute 17, that is, the shredded straw discharge position is adjusted to the most exhaust straw tip side (right side in this example). In the state shown in FIG. 2, the position of the lower end e of the discharge chute 17 in the left-right direction of the machine body is located between the inner ends of the left and right crawler travel devices 1 and at the approximate center of the machine body width M, and the discharge chute The position of the lower end e of 17 in the left-right direction of the machine body and the position of the central weeding tool 13 in the cutting unit 3 in the left-right direction of the machine body substantially coincide with each other in the front-rear direction.

  As shown in FIGS. 3 and 6, the discharge chute 18 on the tip side that becomes the already-cutting side during the turning operation is connected to the lower end portion of the cutter case 14 so as to be able to swing left and right around the fulcrum c. A butterfly bolt 26 is inserted into a circular arc-shaped long hole 25 formed in the cover 19 and connected to the discharge chute 18 by tightening, and the discharge chute 18 is adjusted within the range of the circular arc-shaped long hole 25 to adjust the discharge chute. The position of the lower end f of 18 can be changed and adjusted left and right.

  According to the above configuration, as shown in FIG. 7, at the time of the swivel operation which is a normal work form, the left side of the machine body is uncut and the crop is introduced to each of the pulling devices 9 on the left and right to cut two lines. I do. At this time, the shredded straw S in the cutting process is discharged from the right end of the cutting width W in the next cutting process to the already cut side, and is stepped on the crawler travel device 1 on the right side in the next cutting process. Without being caught by the rightmost weeding tool 13.

  As shown in FIG. 8, in the mid-split operation in which the left and right sides of the machine are cut and trimmed, one crop is introduced into the left pulling device 9 and two crops are loaded into the right pulling device 9. Introduce and cut 3 lines by full mowing. During the subsequent mowing operation, the shredded straw S in the first intermediate cutting process is discharged from the right end of the cutting width W in the next rotating mowing process to the already trimmed side and discharged. In the cutting process, it is not stepped on the crawler travel device 1 on the right side and is not caught on the weeding tool 13 on the right end.

[Other Examples]
(1) The stock side discharge chute 17 can be swung left and right around the upper fulcrum a, and can slide and extend along the chute longitudinal direction, and the lower end position of the discharge chute 17 can be adjusted left and right and up and down. It can also be configured and implemented.

Side view of self-removing combine Top view of self-decomposing combine Rear view of self-removing combine Rear view of stock chute discharge chute Rear view showing folded state of discharge chute Rear view of the discharge chute on the tip side Schematic plan view showing the form of swivel cutting Schematic plan view showing intermediate work mode

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Crawler traveling device 2 Traveling machine body 3 Cutting part 4 Threshing device 7 Waste wall cutter 9 Pulling device 13 Weeding tool 14 Cutter case 17 Discharge chute H Step width M Body width W Cutting width

Claims (5)

The cutting part is connected to the front part of the traveling machine body having the left and right crawler traveling devices, and the rear part of the threshing device mounted on the traveling machine body is connected and equipped with a waste wall cutter for shredding the draining wall in a sideways posture, In the self-removing combine that is provided with a discharge chute that guides the shredded straw on the uncut side at the time of swiveling to the ground side and discharges it to the ground at the bottom of the cutter case in the draining cutter,
A self-removable combine combine wherein the lower end of the discharge chute extends to approximately the center of the body width.   The self-removable combine according to claim 1, wherein a lower end of the discharge chute is positioned between inner ends of the left and right crawler travel devices.   The mowing unit is configured to have a specification in which a pair of right and left pulling devices and three weeding tools are arranged in parallel, and both left and right end positions in the mowing width of the mowing unit, and left and right in the step width of the left and right crawler travel devices Both end positions are configured to substantially match in the left-right direction of the machine body, and the position of the lower end of the discharge chute in the left-right direction of the machine body and the position of the central weeding tool in the cutting part in the left-right direction of the machine body are approximately The self-decomposing combine according to claim 1 or 2, which is matched.   The self-detaching combine according to any one of claims 1 to 3, wherein the lower end of the discharge chute is configured to be capable of changing the position in the left-right direction.   The self-detaching combine according to any one of claims 1 to 4, wherein the lower end height of the discharge chute is changeable.

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