JP5003468B2 - Harvesting and conveying device for multi-row harvesting combine - Google Patents

Description

  The present invention relates to a technique for harvesting and conveying a multi-row harvesting combine, and particularly relates to an apparatus that can convey while stabilizing the conveying posture of the upper part of the culm.

  Conventionally, many known techniques related to combine harvesting have been disclosed in public gazettes, for example, Japanese Patent Laid-Open Nos. 61-202622 and 9-140242.

  First, as shown in the specification and drawings, the publicly known technology disclosed in Japanese Patent Application Laid-Open No. 61-202622 is disclosed as follows: The present invention relates to a structure that can be detachably equipped with an elevating body, a scraping device, and the like. In short, it is characterized in that a number of cutting-related devices can be detachably attached and the number of cuttings can be adjusted.

According to the specification and drawings, the publicly known technology disclosed in Japanese Patent Application Laid-Open No. 9-140242 is able to raise a mowing cereal and smoothly catch a threshing part without being caught in a case or the like. As a technology to convey, in a combine equipped with a Y-shaped conveyance path that conveys the harvested cereal to the threshing portion with the lower and upper conveying mechanisms, the rotational feeding direction is set to the opposite position on the feeding action side above the upper conveying mechanism. The structure provided with the same tip transfer mechanism is shown. In this case, the tip conveying mechanism is shown in a configuration in which a scraping conveying device such as a crank finger is pivoted on the starting end portion of each conveying device above the end portion of the raising case.
Japanese Patent Laid-Open No. 61-202622 Japanese Patent Laid-Open No. 9-140242

  2. Description of the Related Art Conventionally, in a known multi-row harvesting combine, a culm transporting device harvests six or more rows of planted culm at a time, so that the amount of transported culm increases and turbulence of the culm occurs during transport. In particular, there is a problem that the upper part (part close to the ear part) of the cereal is often disturbed and a stable conveying posture cannot be maintained.

  And this kind of multi-row harvesting combine transporter cuts the multi-row culm row, transports the transported culm collected every 2 streak units up to the rear upper part at once to the confluence part of the cereal Since it sends in bulk, the disturbance of the grain merging section is also an issue.

In order to solve the above problems, the present invention takes the following technical means.
That is, in the invention described in claim 1, the left and right of the two rows of culms are driven and guided to the front portion of the cutting support frame (2) provided with the cutting device (1) for multi-row cutting at a low position. A plurality of sets of two-row culm scraping devices (3, 3), each having a pair of conveying devices, are arranged in the left-right direction. 3), a set of two cereal scraping devices (3, 3) arranged at the left end is provided on the right side with a cereal scraping device (4) for one strip, The cereal scraping device (3, 3) includes a root transport chain (5) and a tip transport lug (6) for transporting the harvested cereal to the rear cereal merging section (G), The root conveying chain (7) and the tip conveying lug (8) provided continuously at the rear part of the cereal brazing device (4) are a set of two cereal brazing devices for the two-rows arranged at the left end. (3, 3 It is arranged to face the root conveying chain (5) and the tip conveying lug (6), and has a configuration in which one conveying cereal is joined to two conveying cereals, and the cereal scraping device for the one item (4) Side tip transport lugs (8) and a set of two-headed grain scabging device (3, 3) side tip transport lugs (6) arranged at the left end A reaping and conveying device for a multi-row harvesting combine, which is configured to move oppositely from both sides across the passage (9) and convey three cereals to the cereal merging portion (G); did.

That is, in the beginning part of the cereal conveying process, a configuration is adopted in which one conveying cereal is joined to two conveying cereals and conveyed.
And it is set as the structure which can be conveyed while engaging the upper part of a conveyance cereal by the tip conveyance lugs (6, 8) which faced from both sides, the disorder of the conveyance posture of the cereal upper part is eliminated, and the stable conveyance posture is obtained. It is supposed to be transported while holding.

Next, in the invention described in claim 2, the transmission shaft (11) that drives the tip conveying lug (8) on the side of the cereal scraping device (4) for the above-mentioned single line is used as the tip conveying lug (8). of disposed below said provided from the sprocket (10) for engaging the base conveyor chain (7) in the longitudinal direction, the said transmission shaft (11), cutting the transmission axis of the cutting support frame (2) (32) A set of two-row cereal scraping devices (3, 3) arranged in the middle of the plurality of sets of two-row cereal scraping devices (3, 3); 2. The multi-crop combine harvesting and conveying apparatus according to claim 1, wherein the apparatus is configured to transmit via the cereal scraping device (4) for one line.

In other words, the transmission mechanism is simplified to enable accurate transmission.
Then, since it is configured to transmission by the transmission shaft (11) which is provided from the sprocket (10) engaged with the base conveyor Ji E down the lower (7) in the vertical direction, the transmission shaft (11) to the axis thereof There is also an advantage that accumulation of soot and shavings on the cover or the like is extremely reduced.

  The invention described in claim 3 includes a tip conveying lug (8) on the side of the grain squeezing device (4) for one row that moves oppositely from both sides across the grain conveying passage (9), and 1 Out of the pair of spike transporting lugs (6) on the side of the grain scraping device (3) for the pair, the top of the pair of spike transporting lugs (6) on the side of the grain scraping device (3) for the double row Conveying lugs in the upper and lower two stages of the lug (6a) and the lower lug (6b), and the tip conveyance of the grain scum stirrer (4) side facing this The lug (8) is configured to act on the cereal while entering a height position between the upper lug (6a) and the lower lug (6b). A cutting and conveying device for a multi-row harvesting combine.

  That is, the upper, middle, and lower sides of the tip side conveying lugs (8) on the first side and the upper lugs (6a) and the lower lugs (6b) on the second side that lock and transport the upper portion of the cereal Since 3 places are engaged and conveyed, the conveyance which hold | maintained the upper part of the cereal candy reliably from both sides was attained.

  Accordingly, the transported culm is transported while the upper part thereof is properly held from both sides of the cereal transporting passage (9), and therefore the transport posture reaches the upper cereal merging part (G) without being disturbed stably. And orderly merging.

  According to the invention described in claim 1, in the beginning portion of the cereal conveying process, since one conveying cereal is joined to and conveyed by two conveying cereals, the cereal merging portion at the rear upper position ( The merge load in G) can be reduced, and the harvesting operation can be performed smoothly by reducing the clogging of the conveyed cereals at the merge portion (G). Moreover, the disorder | damage | failure of the attitude | position of the conveyance cereal in this cereal merging part (G) can be decreased, the supply attitude | position to a threshing apparatus can be optimized, and the efficiency of threshing work can be improved.

  And since it is the structure conveyed while engaging with the tip conveyance lugs (6, 8) arranged with the upper part of the conveying cereal facing from both sides, in a stable state without disturbing the conveying posture of the cereal upper part It can be transported, and the disturbance of the posture of the transported culm can be further reduced.

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the transmission mechanism of the cutting and conveying device can be simplified and provided at low cost. Since it is a structure transmitted by the transmission shaft (11) provided in the vertical direction from the engaged sprocket (10), soot and shavings are wound around the cover of the transmission shaft (11) or the transmission shaft (11). There is almost no puddle accumulation and the cutting operation can be performed smoothly.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 1, 2, or 3, one tip conveyance lug (6) is connected to the upper lug (6 a) and the lower lug (6 b). Since it has a configuration with conveyance lugs in the upper and lower two stages and the other tip conveyance lug (8) facing between them, the upper, middle and lower three points are in contact with the upper part of the cereal. The transported cereals are not disturbed in a stable manner in the upper part, and even if they reach the rear part of the cereal merging portion (G), the orderly merging action can be performed. The clogging of the transported culm at the cereal merging portion (G) is further reduced, and the cutting operation can be performed smoothly. And the adaptability with respect to the short culm often cultivated in a double cropping zone or a cold region is also greatly improved.

Embodiments of the present invention will be specifically described below with reference to the drawings.
First, as shown in FIG. 1 and FIG. 2, the combine is mounted with a threshing device 18 on the vehicle body 16 equipped with the crawlers 15 and 15 with the cereal supply port 17 positioned on the front side, and the harvester is cut on the front side. The conveyance device 19 is configured to be connected freely up and down.

  And the machine frame structure which supports the cutting and conveying apparatus 19 has a cutting suspension 20 mounted on the front side of the threshing device 18 and the front of the vehicle body 16, and the base is supported on the cutting suspension 20 in a pivoted state. A rear frame 21 is extended downward in the front and a lateral transmission case 22 is connected to the front end of the rear frame 21 to form a T-shaped cutting support frame 2 in plan view. The cutting and transporting device 19 supports each member on the cutting support frame 2, but in the case of the embodiment shown in FIG. 1, the eight cutting weeds 25 are held at substantially equal intervals in the front low position. Then, they are arranged sequentially in the horizontal direction and are fixedly provided on the front machine casing of the transmission case 22. The reaping device 1 is provided to be supported forward from the front machine frame of the transmission case 22, and is disposed across the entire width in the lateral direction at the rear position of each of the weed culverts 25. It is configured to cut the root of the cereal culm that is stiffened every time.

  As shown in FIG. 1, the culm scraping devices 3 and 3 are composed of left and right scraping lug belts 26 and a staring star wheel 27, and are planted in a field with the front side being broadly V-shaped. A pair of left and right guides to the reaping device 1 is set as a pair, and a total of three sets are arranged in the lateral direction.

  As is apparent from the drawings, one culm scoring device 4 is composed of a single rake belt 26 and a stirrer star wheel 27. The row is scraped and guided to the reaping device 1, and is provided adjacent to the right side of a set disposed at the left end of the culm scraping devices 3 and 3. Then, the cutting support frame 2 simultaneously cuts a total of seven rows of planted culm rows by three sets of two culm scraping devices 3 and 3 and a single culm scraping device 4. It has a 7-row mowing configuration. Reference numeral 29 denotes a grain raising device, which is provided for each cutting line.

And the above-mentioned three sets of culm picking devices 3 and 3 respectively rake the culm row planted in the field up to the reaping device 1, guide the culm that has been harvested, to convey solely to the joining portion (G), and a and tip conveying lug 6 root conveying Ji E down 5, and configured to convey these cutting culms.

  Then, as shown in FIG. 1, the single grain culm scavenging device 4 includes a right corn straw scavenging device 3 that constitutes a pair of corn straw scavenging devices 3, 3 arranged at the left end. Inclined in the same direction and arranged substantially parallel to the grain mashing device 3, a single cutting cereal mash is provided at the root conveying chain 5 of the left pair of corn scumming devices 3, 3. The root transport chain 7 and the guide rod 28 are provided so that the tip transport lug 6 can be used.

  Therefore, this root conveying chain 7 sends one chopped cereal to the root conveying chain 5 and the tip conveying lug 6 side of the pair of left cereal scraping devices 3, 3, and the left two It is set as the structure conveyed to rear part and upper part, making it merge with the said conveyance grain row.

  As shown in FIG. 3, the single-head-side tip transport lug 8 is provided so as to face the above-mentioned two-head-side tip transport lug 6 across the grain transport passage 9, The head portion side is conveyed from the left and right sides of the passage 9 toward the cereal merging portion (G) obliquely rearward while being held in a locked state. In this case, as shown in FIG. 5, the tip conveying lug 8 is configured to be transmitted by a transmission shaft 11 provided in the vertical direction from a sprocket 10 engaged with a root conveying chain 7 provided on the lower side. Reference numeral 30 denotes a cover (cylinder) of the transmission shaft 11.

  As shown in FIG. 4, the first-side tip conveyance lug 8 and the second-row tip conveyance lug 6 are formed by moving the second-row tip conveyance lug 6 up and down between an upper lug 6 a and a lower lug 6 b. It is composed of two stages, and the tip end conveying lug 8 on the one side facing this is provided in a state of entering the middle height position of the upper and lower lugs 6a, 6b, and the grain at the upper, middle and lower three points It is configured to perform a conveying action by contact engagement with the bag. In addition, although the Example has comprised the tip side conveyance lug of the 2 item | stripes in two steps up and down, this is reversed and comprises the tip conveyance side lug 8 of the 1 item side in two steps (refer to FIG. 6). However, a similar effect can be expected.

  In the embodiment, as shown in FIG. 3, the conveying distance of the lower lug 6b is extended to be longer than the conveying distance of the upper lug 6a, and extended to a position close to the rear grain merging portion (G). In accordance with this, the tip-side transfer lug 8 on the first strip side is provided to extend backward to a position equivalent to the transfer distance of the lower lug 6b, and is transferred to a position close to the grain merging portion (G). The extended portion is conveyed at the upper (lug 8) and the lower (lug 6b) with respect to the upper portion of the culm, and can be conveyed while maintaining a stable conveying posture.

  As described above, in the embodiment, by increasing the transport distance of the head tip transport lugs 8 and 6b that face each other, the transport posture of the grain spike part can be stabilized and transported to a position close to the grain sprinkle merge part (G). It has become a thing.

  As shown in a plan view in FIG. 1, the single-sided tip conveyance lug 8 is arranged so that the tip portion of the lug is placed on the two-line conveying device (tip) from the two-side root conveyance chain 5 provided on the lower side. The overlapping width is increased by projecting to the conveying lug 6) side, and it engages without leaking to the upper part of the conveying cereal and does not disturb the posture and conveys.

  As described above, in the embodiment, in the transporting process ahead of the cereal merging portion (G) in the rear part of the transport path, one transported cereal is joined to the two transported culms and transported. There is an advantage that the merging burden in the cereal merging portion (G) at the rear upper position can be reduced to some extent.

  And since an Example is conveyed while engaging by the tip conveyance lugs 6 and 8 arrange | positioned facing both sides with respect to the grain straw conveyed on the grain straw passage 9 as above-mentioned, The transport posture of the upper part is hardly disturbed, and the transport can be performed in a stable state.

  In this case, as described above, the embodiment has a configuration in which one tip conveyance lug 6 is configured in two stages of an upper lug 6a and a lower lug 6b, and the other tip conveyance lug 8 facing therebetween is inserted. Therefore, it can be transported while being held at the upper, middle, and lower three points with respect to the head of the cereal. Accordingly, the transported culm is not particularly disturbed by the transport posture of the upper part thereof being stably conveyed, and even if it reaches the cereal merging part (G) above the rear part, it can perform an orderly merging action. ing. As described above, the examples are highly adaptable to short culm and are also suitable for harvesting short rice lengths that are often cultivated in double-cropping zones and cold regions.

  Further, the tip conveying lug 8 on the one-row side can be supplemented with a tip conveying lug 8a to form a two-stage configuration (see FIG. 6). On the other hand, if the upper, middle, and lower three points are held, or if both sides have a two-stage configuration, it is possible to feed in a more stable posture while holding the four points.

  Since the single-head-side tip transport lug 8 is configured to be transmitted by the transmission shaft 11 provided in the vertical direction from the sprocket 10 engaged with the root transport chain 7, the cover 30 of the transmission shaft 11 is There are advantages such as wrapping of trash, etc. As shown in FIG. 6, this transmission configuration can be configured in the same manner by adding a tip transport lug 8 a to the supplementary tip transport lug 8 on the one-row side to provide a two-stage configuration. . In this case, the transmission path is configured such that the power extracted from the cutting transmission shaft 32 in the rear frame 21 is transmitted via the corn straw transporting part of the corn straw scraping devices 3 and 3 in the middle part. ing.

Next, another embodiment of the present application will be described with reference to FIG.
First, the cereal scraping device 3, 3 disposed in the middle of the left and right is arranged by placing the left cereal scraping device 3 A, the root transport chain 5 and the tip transport lug 6 connected to the rear of this on the right side 2. It is configured to convey the reaped cereal rice cake to the rear part of the aircraft. On the other hand, as shown in FIG. 7, the single grain culm scraping device 4 is provided immediately on the left side of the grain culm scraping device 3 </ b> A, and a root transport chain 7 and a tip transport lug 8 connected to the rear part thereof. Is arranged on the left side. The transmission mechanism 31 is located between the root and tip transport devices 5, 6, 7, 8 provided on the left and right sides of both the stirrer star wheels 27, 27. Is provided in the center portion surrounded by each transport device, and is taken out from the rear frame 21 and transmitted to each rotating portion.

  As described above, as shown in FIG. 7, the embodiment is configured by surrounding the front side, the left and right sides, and the rear side by arranging the scraping device and the transport device. Since the transmission mechanism 31 is arranged in the center portion thus formed, there is a feature that the transmission mechanism 31 can be simplified because the transmission mechanism is hardly entangled with sawdust such as cereal grains.

Next, another embodiment of the present application will be described with reference to FIGS.
First, all the embodiments are embodiments relating to the tip conveying device for one line, and are configured by the tip conveying star wheel 36 as shown in the respective drawings. As shown in FIG. 9, the tip conveying star wheel 36 has a configuration in which a transmission path is transmitted from the sprocket 10 engaged with the root conveying chain 7 via the transmission shaft 11.

  The embodiment shown in FIGS. 8 and 9, as can be seen from the drawings, has a configuration in which a single tip transport star wheel 36 is pivoted so as to face the cereal transport passage 9, and the tip transport lug 8 is attached to the tip transport lug 8. In comparison, there is an advantage that the number of parts can be reduced, the cost can be significantly reduced, and the conveying force can be partially increased.

  Next, the embodiment shown in FIG. 10 has a configuration in which the tip transfer star wheel 36 is arranged in two stages, and is pivoted, and has the feature that the adaptability to the long and short hooks is expanded, There is also a feature that the number of parts is small and can be manufactured at low cost.

  The embodiment shown in FIGS. 11 and 12 is a tip transport device having a two-stage configuration in which a tip transport star wheel 36 is provided above the tip transport lug 8. In this embodiment, the grain head portion is properly transported, and the number of parts can be reduced when compared with the tip transport mechanism having the tip transport lugs 8 and 8a (see FIG. 6) configured in two stages. Manufacturing cost can be reduced and it can be provided at low cost.

Plan view of multi-row cutting and cutting conveyor Combine side view Plan view of multi-row cutting and cutting conveyor Rear view showing the arrangement of the tip transport lugs Cross section of the transmission device for the tip transport lug Cross-sectional view of the transmission device for the two-stage tip conveying lug Plan view of multi-row cutting and cutting conveyor Plan view of another embodiment of the multi-row mowing device Sectional view of the transmission device of FIG. Cross-sectional view of another embodiment of the transmission Plan view of the multi-saw cutting and conveying apparatus of another embodiment Sectional view of the transmission device of FIG.

1 Harvesting device 2 Harvesting support frame 3 Grain picking device (for 2 strips)
4 Grain picking device (for 1 item)
5 Root transport chain (for 2 items)
6 Tip transport lugs (for 2 articles)
6a Upper lug 6b Lower lug 7 Root transport chain (for 1 item)
8 Tip transport lugs (for 1 item)
9 Grain transporting passage 10 Sprocket 11 Transmission shaft 16 Car body 21 Rear frame 22 Transmission case 32 Harvesting transmission shaft G Grain basket confluence

Claims (3)

Two strips of a pair of left and right transporting devices that rake and guide two rows of grain ridges at the front of a cutting support frame (2) provided with a cutting device (1) for multi-row cutting at a low position Multiple sets of cereal scraping devices (3, 3) for use in the left-right direction,
Among the plurality of sets of two-row cereal scraping devices (3, 3), one set of cereal grains on the right side of one set of two-row cereal scraping devices (3, 3) arranged at the left end Root picking device (4) is provided, and in each of the above-mentioned cereal rake picking devices (3, 3), the root conveying chain (5) for conveying the reaped cereal to the cereal merging portion (G) at the rear ) And the tip transport lug (6), and the root transport chain (7) and the tip transport lug (8) provided continuously at the rear part of the above-mentioned cereal scraping device (4) are A pair of two-row cereal scraping device (3, 3) arranged at the left end is provided facing the root conveying chain (5) and the tip conveying lug (6). It is set as the structure which joins the conveyance cereal of a row | line | column, the tip conveyance lug (8) by the side of the said cereal mashing device (4) for 1 row | line, and a set of cereal scrapes for 2 sets | arrangements arrange | positioned at the said left end Device (3, ) Side tip transport lug (6) is configured to move oppositely facing from both sides across the grain culm transport passage (9) and transport three cereals to the grain culm junction (G) A harvesting and conveying apparatus for a multi-row harvesting combine characterized by the above. A transmission shaft (11) for driving the tip conveying lug (8) on the side of the grain scum stirrer (4) for the single row is provided below the tip conveying lug (8) , and the root conveying chain ( provided from the sprocket (10) which engages the 7) in the longitudinal direction, the said transmission shaft (11), the driving force from the cutting support frame (2) of the reaper transmission shaft (32), said plurality of sets of Article 2 Of a set of two cereal scraping devices (3, 3) arranged in the middle of the cereal scraping device (3, 3) and the cereal scraping device (4) The multi-crop combine harvesting and conveying apparatus according to claim 1, wherein:   A head-feeding lug (8) on the side of the stalk-pickling device (4) for one row that moves oppositely from both sides across the cereal-conveying passage (9), and a pair of cereals for two-row Out of the tip conveying lugs (6) on the side of the batting device (3), the pair of head conveying lugs (6) on the side of the cereal scraping device (3) for the two strips are divided into the upper lugs (6a) and the lower lugs (6b). ) And a head lug transporting lug (8) of the grain scumming device (4) on the side facing the same, and the upper lug. The harvesting and conveying device for a multi-row harvesting combine according to claim 1 or 2, wherein the harvesting and conveying device is configured to act on the cereal buds while entering a height position between the (6a) and the lower lug (6b).

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