JP2007228804A - Apparatus for transporting grain culm of combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simplify the transmission constitution of a grain culm transportation apparatus for transferring and transporting reaped grain culms upward to the rear because of its complexity and to reduce a cost. <P>SOLUTION: The apparatus for transporting grain culms of combine harvester has a constitution that rotary power is inputted to an input shaft 16f pivotally supported in a supporting pipe rod 16b at the top of a supporting rod 16a for supporting a reaping machine 4 or a speed change output shaft 16m pivotally supported in a speed change pipe rod 16h from input shaft 16f, a right upper root transportation apparatus 10a, an ear tip transportation apparatus 12 and a supply and transportation apparatus 14 are rotated and driven and these apparatuses are vertically rotated around the input shaft 16f. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a combine culm transfer device.

  The harvesting operation of napped cereals with a combine is performed at the front part of this combine traveling chassis, and the cereals are caused by a plurality of pulling devices provided at the front part of the reaper that cuts the cereal and transfers it to the upper rear. Then, while being scraped by a plurality of each of the scraping devices, it is cut by the cutting blade device, and the harvested culm is transferred to the rear upper part by the culm transfer device.

As described above, the transmission configuration of the culm transfer device of the reaping machine for transferring the culm to the upper rear portion of the reaper is as shown in Japanese Patent Application Laid-Open No. 2004-344018. The power input case, the front transmission case provided in the left-right direction at the front end of the vertical transmission case, and the conveyance transmission case provided on the side of the power input case. The rotational power of the engine is input to the mowing transmission mechanism that is pivotally supported in the power input case. In addition, the vertical transmission case, the front transmission case, and the transfer transmission case are provided with a vertical cutting and horizontal transmission mechanism, and the rotational power transmitted to the cutting transmission mechanism passes through the bevel gear to the vertical cutting mechanism. Then, it is transmitted to the mowing lateral transmission mechanism through a bevel gear, and each part of the mower is individually driven to rotate.
JP 2004-344018 A

  The transmission configuration of the cereal transfer device for transferring the reaped cereal to the rear upper part is complicated. For this purpose, the transmission configuration is simplified and the cost is reduced.

In order to solve the above problems, the present invention takes the following technical means.
For this reason, in the invention described in claim 1, the reaper (4) that cuts the cereals at the front part of the traveling chassis (2) and moves them to the rear upper part includes the cereals on one side and the other side. A plurality of pulling devices (6) for raising the row of cereals, a plurality of scoring devices (9a) for scraping and transferring the raised culms, and a cutting blade device for cutting the stalks to be raked ( 5c), a lower right root transfer device (10b) for transferring the harvested cereals to the joining portion (re) at the upper rear side of the cutting blade device (5c), and a left root transfer device (11). And a right upper root transfer device (10a) and a tip transfer device (12) for taking over the cereals transferred to the merging portion (re) and further transferring to the upper rear portion, and a supply transfer device (14), etc. In this configuration, the support provided to be inclined from the front lower part supporting the reaper (4) to the rear upper part. A support pipe rod (16b) is provided in the left and right direction at the upper end of the rod (16a), and the input shaft (16f) pivotally mounted on the support pipe rod (16b), or a transmission pipe from the input shaft (16f). The rotational power of the engine (24) is input to the variable speed output shaft (16m) that is pivotally mounted on the rod (16h), the upper right root transfer device (10a), the tip transfer device (12), and the supply transfer device (14). And an upper right root transfer device (10a), a tip transfer device (12), and a supply transfer device (14) with the input shaft (16f) of the support pipe rod (16b) as a rotation center. Is a cereal transfer device for a combine, characterized in that it is provided so as to be rotatable up and down.

  The harvesting operation of the napped grain cereal with the combine is provided at the front part of the traveling chassis (2) of this combine, and a plurality of pulling devices (4) provided on the front part side of the reaper (4) for harvesting and transferring the cereal. In 6), the right row of the harvested cereals is cut by the cutting blade device (5c) while raising the left and right row of cereals while being raked by each of the plurality of scoring devices (9a). The side is transferred toward the merging portion (re) at the upper rear by the lower right root transfer device (10b) and the tip transfer device (12). In addition, the left row side of the harvested cereal culm is transported toward the merging portion (re) at the upper rear by the left root transport device (11). The cereals merged at the merging portion (re) are further transferred to the upper rear portion by the upper right root transfer device (10a), the tip transfer device (12), and the supply transfer device (14).

  The cereal mash that joined at the merging section (li) is further transferred to the upper rear part at the upper end of the supporting cocoon (16a) that is inclined from the lower front part supporting the reaper (4) to the upper rear part. Is provided with a support pipe rod (16b) in the left-right direction, and the input shaft (16f) is pivotally mounted on the support pipe rod (16b), or the shaft support is internally mounted on the transmission pipe rod (16h) from the input shaft (16f). The rotational power of the engine (24) is input to the speed change output shaft (16m), and the speed change output shaft (16m) is rotationally driven directly from the input shaft (16f) or from the input shaft (16f), An upper right root transfer device (10a), a tip transfer device (12), and a supply transfer device (14), which are provided so as to be rotatable up and down by either one of the speed change output shaft (16m). Rotation driven, and by these, at the junction (re) Culms of flowing is further transferred to the upper rear.

  In the second aspect of the present invention, the upper right root transfer device (10a), the tip transfer device (12), and the supply transfer device (14) are connected by a support rod (15b) or the like so as to be detachable integrally. The combine cereal transfer device according to claim 1, wherein the combine cereal transfer device is provided.

  It is cut by the reaper (4), transferred to the rear upper merging section (re), and further transferred from the merging section (re) to the upper rear side on the right upper root transfer device (10a), and tip transfer The device (12) and the supply / transfer device (14) on the left side are connected to each other by providing a support rod (15b) and the like, and are integrally formed and detachable.

  In the first aspect of the present invention, the shaft to the support pipe rod (16b) provided in the left-right direction above the support rod (16a) provided to be inclined in the front-rear direction for supporting the reaper (4). The rotational power of the engine (24) is input to the input shaft (16f) provided with a support, or to the speed change output shaft (16m) provided and supported from the input shaft (16f) to the transmission pipe rod (16h). Further, the right upper root transfer device (10a) and the tip transfer device (12) and the left supply transfer device (14) to be transferred to the upper rear portion are rotationally driven and the support pipe With the input shaft (16f) of (16b) as the rotation center, the upper right root transfer device (10a), the tip transfer device (12), and the supply transfer device (14) are provided so as to be rotatable up and down. Cost reduction by reducing the number of parts , It is possible to achieve a weight reduction, and prevention vibration. In addition, it is possible to facilitate assembly, facilitate cleaning, and improve maintenance. Further, the overall length of the machine body can be shortened and workability can be improved.

  In the invention according to claim 2, the right upper root transfer device (10a) and the tip transfer device (12) on the right side and the supply transfer device (14) on the left side are provided with a support rod (15b) and the like. By connecting, integrally forming, and detachably providing, it is possible to reduce the number of parts, thereby reducing costs and improving maintainability. In addition, the overall length of the machine body can be shortened, workability can be improved, and noise can be reduced. Further, a mechanism for turning the reaper (4) to the left side outward is not necessary.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
A threshing machine provided with a traveling device 3 on the lower side of the traveling chassis 2 of the combine 1 and a reaper 4 for cutting cereals on the front side and taking over the reaped cereals from the reaper 4 on one side of the upper side. 2a and the grain storage tank 2b which receives and stores the threshed grain on the side of the threshing machine 2a are placed.

  The reaper 4 includes a plurality of weed bodies 5b that separate the grain on one side and the other side, a plurality of pulling devices 6 that separate and raise, A rake device 9a of the culm scraping and transporting device 9 for scrambling and transferring the cereal culm, a cutting blade device 5c for reaping the squeezed culm, and a merging portion at the rear upper part ( In addition, the lower right / upper right root transfer device 10b, 10a and the tip transfer device 12 are provided on the right side to be transferred to the rear upper part from the junction (re), and the left root transfer device is provided on the left side. 11 and a supply transfer device 14 are provided.

  An input shaft 16f pivotally mounted on a support pipe rod 16b provided in the left-right direction at the upper end portion of a support rod 16a inclined from the lower front portion supporting the reamer 4 to the upper rear portion, or from the input shaft 16f to the transmission pipe rod 16h. Rotational power of the engine 24 is input to the variable speed output shaft 16m that is internally supported by the shaft, and the upper right root transfer device 10a, the tip transfer device 12, and the supply transfer device 14 are driven to rotate, and the support pipe rod 16b is input. With the shaft 16f as the rotation center, the upper right root transfer device 10a, the tip transfer device 12, and the supply transfer device 14 are provided so as to be rotatable up and down. The cereal transfer device for transferring the harvested cereals to the rear upper part and the rear upper part is mainly illustrated and described.

  The combine 1 cuts four rows. This combine 1 will be described. As shown in FIGS. 3 and 4, a traveling device 3 in which a pair of left and right traveling crawlers 3 a that travel on the soil surface is stretched is disposed below the traveling chassis 2 of the combine 1. It is the structure which mounted the threshing machine 2a on the upper side. The napped cereal is harvested by the reaper 4 at the front part of the traveling chassis 2 and transferred to the upper rear part, and the threshing is carried out while being nipped and transferred by the feed chain 2c of the threshing machine 2a and the clamping pod 2d. The grain that has been threshed and sorted is supplied into the grain storage tank 2b disposed on the right side of the threshing machine 2a and temporarily stored.

  As shown in FIG. 3 and FIG. 4, a narrow guide 5 a that separates the napped grains, a plurality of herbaceous bodies 5 b, and a plurality of raising units that cause the napped grains are raised at the front portion of the traveling chassis 2. The device 6 and the left and right sides of the culm scraping and transporting device 9 for scraping the raised culm, and the four scoring devices 9a on both the left and right sides of the center part, and the squeezed culm The right side of the chopping and scraping transfer device 9 that clamps and transfers the harvested blade device 5c and the chopped culm and delivers it to the feed chain 2c and the nip 2d of the threshing machine 2a is the upper right and lower right root transfer The devices 10a and 10b, the tip transfer device 12, and the left side is provided with a reaper 4 including a left root transfer device 11, a supply transfer device 14, and the like. The mower 4 moves up and down with respect to the soil surface by a telescopic cylinder 16 that is hydraulically driven.

  A support mechanism provided with a transmission mechanism 16e provided at the upper end portion of the support rod 16a with a transmission mechanism 16d inclined from the lower front portion to the upper rear portion of the reaper 4. The support pipe rod 16b is provided on the upper surface of the traveling chassis 2. The device 16c is rotatably supported. When the telescopic cylinder 16 is operated, the reaper 4 is rotated up and down together with the support rod 16a.

  In the culm transfer path formed by the culm scraping and transferring device 9 of the reaper 4, the presence or absence of supply of the cereal to the threshing machine 4 is performed by acting on the culm that is harvested and transferred. A cereal sensor 4a for detection is provided.

  As shown in FIG. 3 and FIG. 4, a control device 22 for starting and stopping the combine 1 and adjusting each part and the like, and a cockpit 23 are provided at the front part on the grain storage tank 2 b side. The engine 24 is mounted below the cockpit 23.

  A potentiometer type vehicle speed sensor 25b for detecting the traveling vehicle speed is provided in the transmission path of the transmission mechanism 25a in the traveling mission case 25 mounted on the front end portion of the traveling chassis 2 based on the output. ing.

  As shown in FIG. 3 and FIG. 4, a vertical transfer spiral 26 a is installed on the rear side of the grain storage tank 2 b for discharging the grains stored in the grain storage tank 2 b to the outside of the machine. A cylinder 26 is pivotably mounted in a substantially vertical posture, and a discharge spiral 27a for discharging the grain to the outside of the machine whose entire length extends across the length of the combine 1 is extendable at the upper end of the vertical transfer cylinder 26. The discharge auger 27 provided in the front and rear is arranged in the front-rear direction so as to be extendable, turnable up and down, and turnable left and right.

  As shown in FIG. 3 and FIG. 5, the left two rows of cereals are separated from each other by the weed bodies 5b, 5b, 5b of the second left side and the left outer side and the central part, and the right side The double row of cereals separate the cereals by the respective weed bodies 5b, 5b, 5b from the right outer side and the second right side from the right outer side.

  As shown in FIGS. 3 and 5, the pulling device 6 is provided with left and right outer pulling devices 7a and 7b on both left and right outer portions, and left and right inner pulling on the left and right sides of the central portion. Devices 6a and 6b are provided. By these left outer pulling device 7a and left inner pulling device 6a, the left two rows of grain straws are raised. Also, the right outer row raising device 7b and the right inner raising device 6b raise the right two rows of cereals.

  As shown in FIGS. 2 and 4, the left and right inner pulling devices 6a and 6b and the left and right outer pulling devices 7a and 7b are individually provided in upper and lower ends of the pulling case 8a. Upper and lower sprockets 8b and 8c are pivotally supported, and the upper and lower sprockets 8b and 8c are spanned by pulling chains 8d with pulling lugs 8e mounted at predetermined intervals.

  The range of action of each pulling lug 8e is the range of action from the substantially central portion of the lower end portion of the pulling case 8a to the substantially central portion of the upper end portion, and each pulling protrusion protruding from the pulling case 8a. By the rotational driving of the lug 8e, the cereal cake is raised. The other side is a non-operating range that is driven to rotate into the pulling case 8 in a housed state and does not raise the cereal.

  As shown in FIG. 4 and FIG. 5, the left and right outer pulling devices 7a and 7b and the left and right inner pulling devices 6a and 6b are raked in two rows on both sides as shown in FIGS. Each of the scraping devices 9a is provided in a substantially V shape on the left and right sides in plan view.

  Each of the scraping devices 9a stretches a scraping belt 9d provided with a scraping lug 9c at a predetermined interval on the lower side portion of the scratching case 9b. A stir-up star wheel 9f is pivotally supported on the scooping shaft 9e.

The left two rows of cereals are scraped by the two left side scraping devices 9a, 9a. Further, the right two rows of cereals are scraped by the two right side scraping devices 9a, 9a.
As shown in FIGS. 4, 6, and 7, the upper right root transfer device 10 a spanning the upper right root transfer chain 10 c and the right lower root transfer A right lower root transfer device 10b that spans the chain 10d is provided, and an upper end on the right side has a substantially triangular shape and a tip transfer case 12a having a substantially L-shaped transfer side surface in a plan view. A tip transfer device 12 is provided which is provided with a tip transfer chain 12b fitted with a transfer lug 12c. In addition, a left root transfer device 11 is provided at the lower part on the left side, and a plurality of supplies are provided below the supply case 14a provided on the driven shaft 15a. A supply transfer device 14 is provided in which a lug 14c and a supply star wheel 14b are pivotally supported on a driven shaft 15a.

  The tip transfer device 12, the upper right root transfer device 10a, and the supply transfer device 14 are integrally provided so as to be rotatable up and down. The supply depth (handling depth) of the cereal to be supplied to the threshing machine 2a by the culm length of the cereal is automatically rotated up and down integrally with these three parts, and the cereal supply to the threshing machine 2a Automatically adjust the handle depth position.

  In each of the four scoring devices 9a, the cereals from the one side row (right side) and the other side row (left side) are cut and transferred by the cutting blade device 5c while being squeezed and transferred. 4, 6, and 7, the lower right and upper right root transfer devices 10 b and 10 a of the cereal transfer device provided on the rear side of the cutting blade device 5 c and the tip transfer device 12 The right side harvested culm is transferred to the rear upper part. Further, the left root transfer device 11 and the supply transfer device 14 transfer the harvested cereals on the left side to the rear upper part, and the cereals are merged at the middle junction (re) and further transferred to the upper rear part. Then, it is handed over to the threshing machine 2a and is threshed while being held in the threshing machine 2a.

  As shown in FIGS. 1 and 5, the support rod 16a is internally provided with a transmission mechanism 16e. At the upper end of the support rod 16a, a transmission case 30 having an input shaft 16f of the transmission mechanism 16e is provided, and a support pipe rod 16b is provided connected to the transmission case 30, and a tip on one side of the input shaft 16f is provided. An input pulley 16n is pivotally supported by the section, and the rotational power of the engine 24 is input to the input pulley 16n via a mission case 25 (not shown). Further, a bevel gear 31 is provided at the other end of the input shaft 16f.

  The bevel gear 30c pivotally supported on the input shaft 16f of the transmission case 30 and the bevel gear 30d pivotally supported on the upper end of the transmission shaft 16p of the transmission mechanism 16d of the support rod 16a are engaged with each other, and the transmission shaft 16p is rotationally driven. Then, the pulling device 6 and the like are driven to rotate.

  A gear 30a that is pivotally supported on the input shaft 16f of the transmission case 30 meshes with a gear 30b that is pivotally supported on one end of the transmission output shaft 16m of the transmission mechanism 16e that is internally mounted on the transmission pipe rod 16h. The shaft 16m is driven to rotate. A bevel gear 31 is pivotally supported at the other end of the speed change output shaft 16m.

  The transmission pipe rod 16h has a semicircular inner portion and a substantially box-shaped outer portion, and an inner part of the box-shaped portion is inserted into the outer peripheral portion of the transmission pipe rod 16h so as to be detachable. A transmission case 32 is provided. In this transmission case 32, a transmission shaft 32a is pivotally supported. In this transmission case 32, the bevel gear 32b supported by the transmission shaft 32a meshes with the bevel gear 31 of the transmission output shaft 16m. The transmission shaft 32a is rotationally driven.

  The upper sprocket 32c pivotally supported on the upper part of the transmission shaft 32a of the transmission case 32, the tip transfer chain 12b equipped with the tip transfer lug 12c of the tip transfer device 12 and the lower sprocket 32d pivotally supported on the lower part Both the upper right root transfer chain 10c and the root transfer device 10a are rotationally driven. Further, a transmission case 32 (not shown) can be detachably attached to the bevel gear 31 portion pivotally supported on the tip end portion of the input shaft 16f of the support pipe rod 16b. Attaching to either side of these, harvesting of cereals is performed.

  With the input shaft 16f of the support pipe rod 16b as a rotation center, the right upper root transfer device 10a, the tip transfer device 12, and the left supply transfer device 14 are provided to be vertically rotatable.

  An input shaft 16f that is provided to be inclined in the front-rear direction for supporting the reaper 4 and that is provided in the left-right direction above the support rod 16a and that is pivotally mounted in the support pipe rod 16b, or a transmission pipe from the input shaft 16f. Rotational power of the engine 24 is input to the speed change output shaft 16m, which is pivotally mounted on the rod 16h, and the right upper root transfer device 10a and the tip transfer device 12 are further transferred from the junction (re) to the rear upper part. The left and right supply transfer device 14 is driven to rotate, and the upper right root transfer device 10a, the tip transfer device 12 and the supply transfer device 14 are moved up and down around the input shaft 16f of the support pipe rod 16b. By being provided so as to be rotatable, it is possible to reduce costs, reduce weight, and prevent vibrations by reducing the number of components. In addition, it is possible to facilitate assembly, facilitate cleaning, and improve maintenance. Further, the overall length of the machine body 1a can be shortened and the workability can be improved.

  As shown in FIGS. 2, 4, and 5, the right upper root transfer device 10 a and the tip transfer device 12 on the right side are connected vertically, and the tip transfer device 12 and the left supply transfer device 14 are connected. Is connected and provided by a support rod 15b or the like so as to be integrated and detachable.

  The right upper root transfer device 10a, the tip transfer device 12, and the supply transfer device 14 on the right front are connected by providing a support rod 15b, etc., formed integrally, and detachable, so that the number of parts can be reduced. This reduction can reduce costs and improve maintainability. Further, the overall length of the machine body 1a can be shortened, workability can be improved, and noise can be reduced. Further, a mechanism for turning the reaper 4 to the left outer side becomes unnecessary.

  The stocker side of the cereal transfer device is transferred to the upper rear part by the lower right, upper right, and left root transfer devices 10b, 10a, and 11. Further, the tip side is transferred to the rear upper part by the tip transfer device 12 and the supply transfer device 14, so that the configuration is simple. It is possible to prevent occurrence, occurrence of defective takeover of corn straw, and prevention of drooling and the like of the cedar transfer posture. In addition, since the configuration is simple, the cost can be reduced.

  The upper sprocket 13d is pivotally supported on the tip upper shaft 13a provided at the upper transfer end portion of the tip transfer case 12a formed in a substantially triangular shape in the plan view of the tip transfer device 12, and is provided at a substantially intermediate top. An intermediate sprocket 13e and a driving star wheel 12d are pivotally supported on the tip intermediate shaft 13c, and a lower sprocket 13f is pivotally supported on a tip lower shaft 13b provided at the lower transfer start end.

  A tip transfer chain 12b having a tip transfer lug 12c mounted at a predetermined interval is stretched over the upper, middle, and lower sprockets 13d, 13e, and 13f. Each tip transfer lug 12c has two sides on the short side of the substantially triangular shape, and the side surface transfer side portion in a substantially L-shaped portion protrudes from the tip transfer case 12a and transfers the tip side of the cereal. It is said. The opposite side is an inactive side that does not transfer cereals.

  A tip guide cover 12f is provided on the upper side surface of the tip transfer case 12a of the tip transfer device 12 as shown in FIG. The rear end portion of the tip guide cover 12f is located near the front side of the threshing machine 2a provided on the rear side of the reaping machine 4, or the front end portion is located between the rear side neighboring portion of the right outside pulling device 6. In addition, the outer shape of the tip guide cover 12f in the front-rear direction is formed so as to be substantially the same as the outer shape of the tip transfer case 12a in the front-rear direction. Further, the tip guide cover 12f is provided so as to be inclined downward from the apex portion toward the end of the tip transfer case 12a on the working side of the cereal transfer.

  Even when the tip transfer case 12a is rotated to the uppermost position, the front end portion of the tip transfer case 12a is provided in a downwardly inclined state from the rear portion toward the front portion. The scraps, dust, and the like that fall from the grain pods being transferred by the tip transfer device 12 are configured not to accumulate on the tip transfer case 12a and the tip guide cover 12f.

  A tip guide cover 12f is provided on the upper surface of the tip transfer case 12a of the tip transfer device 12 for transferring the tip side of the grain pod. The appearance of the tip guide cover 12f is formed in substantially the same shape as the appearance of the tip transfer case 12a, and the tip guide cover 12f is inclined downward from the apex portion toward the working side of the cereal transfer. Even when the tip transfer case 12a that can be rotated up and down is rotated to the uppermost position, the front end of the tip transfer case 12a is provided in a downwardly inclined state toward the lower front portion, thereby providing a tip guide cover. 12f and the tip transfer case 12a can prevent accumulation of dust, dust, and the like that have fallen from the grain during transfer. Moreover, it is possible to prevent the scattered grains from being transferred. The tip side of the cereal is smoothly transferred.

  As shown in FIG. 2, a plurality of supply lugs 14c are rotatably provided on the upper side surface of the supply star wheel 14b that is pivotally supported by the driven shaft 15a of the supply transfer device 14, and the front portion of the supply case 14a is further forward than the supply case 14a. It protrudes at the side and the inner side and acts and transports along with the feed star wheel 14b to the cereal. The supply lug 14c is a non-operating side that is sequentially housed in the supply case 14a except for the front side and the inner side. The supply star wheel 14b meshes with the drive star wheel 12d of the tip transfer device 12 and is driven to rotate.

  As shown in FIG. 2, the supply transfer device 14 is provided with a U-shaped support frame 15c at the tip of a support rod 15b provided on the tip transfer device 12, and a support rod 15d is provided on the support frame 15c. A supply case 14a is mounted on the receiving rod 15d, and a driven shaft 15a is mounted on the front end of the receiving rod 15d. The support frame 15c is provided with a clamping rod 17a that can be clamped and moved by a spring (not shown) or the like, and a receiving plate 17b is fixed to the rear end of the clamping rod 17a. A rear clamping hook 17c is attached to 17b.

  As shown in FIG. 4 and FIG. 5, the right side of the scraping device 9 a, which is cut by the cutting blade device 5 c while being scratched by the two right side scraping devices 9 a, 9 a, 9a is transferred from the lower right root transfer device 10b, the tip transfer device 12 that can be turned up and down simultaneously, and the upper right root transfer device 10a. Moreover, as shown in FIG. 4 and FIG. 5, the left side of the rake device 9 a, 9 a is the culm cut by the cutting blade device 5 c while being raked by the two left side rake devices 9 a, 9 a. From the left root transfer device 11 and the supply transfer device 14, the harvested cereal grains that are transferred to the junction (re) and transferred on both the left and right sides at the junction (re) are merged, and further the upper right root transfer device 10 a. And the tip transfer device 12 to the rear upper part, supplied to the threshing machine 2a, taken over by the feed chain 2c and the clamping rod 2d of the threshing machine 2a, and held and transferred in the threshing machine 2a. Threshing is performed in the machine 2a.

  On the grain transfer action side of the tip transfer device 12, the axis (b) of the tip upper shaft 13 a provided on the upper transfer end portion side, and the driven shaft of the supply transfer device 14 provided on the front side of the tip transfer device 12 As shown in FIG. 2, the axial center (d) of 15a is provided so as to be positioned on a substantially straight line in the front-rear direction. Moreover, the shape to the position where the left two rows of grain straws and the right two rows of grain straws are transferred to the upper rear and merged is substantially Y-shaped as shown in FIG. Is formed.

The axial center (b) position of the tip upper shaft 13a of the transfer terminal end part for transferring the head side of the grain tip of the tip transfer device 12 and the axial center (d) position of the driven shaft 15a of the supply transfer device 14 are front and rear By having a configuration that is located on a substantially straight line in the direction, turbulence of the cereals when merging at the junction (re) of the left side two rows of cereals and the right side two rows of cereals Can be prevented. In addition, a large amount of cereals can be transferred by preventing crossing of cereals, preventing clogging of cereals, and reducing the transfer range of the supply lug 14c of the supply transfer device 14. Furthermore, since there is little fluctuation of the tip, it is possible to prevent the grain from being scattered. The tip intermediate shaft 13c is pivoted at a substantially intermediate position in the vertical transfer direction of the tip transfer device 12 as shown in FIG. 2 and FIG. The tip intermediate shaft 13c is provided with a driving star wheel 12d, an intermediate sprocket 13e, and the like. The tip transfer device 12 is provided with a tip transfer case 12a having an apex at the center (c) of the tip intermediate shaft 13c and a substantially isosceles triangle shape in the vertical direction or the front-rear direction and having an L-shaped transfer side surface in plan view. Forming. The shaft center (b) of the lower tip shaft 13b at the lower transfer start end is scraped with the right two rows of cereals on the right and left sides (second outer end and second from the right outer side). It is provided in the vicinity of the scraping devices 9a, 9a.

  The tip transfer device 12 is formed into a substantially isosceles triangle shape in the vertical direction or the front-rear direction with the axis (c) of the tip intermediate shaft 13c at the substantially intermediate position in the vertical transfer direction of the tip transfer device 12 as the apex. By providing the axis (b) of the lower tip shaft 13b at the lower transfer start end portion in the vicinity of the right and left side of the right and left side scoring devices 9a, 9a, the mold of the tip case 12a Mold production is easy and the cost is reduced. In addition, it is easy to align the driving star wheel 12d of the tip transfer device 12 and the supply star wheel 14b of the supply transfer device 14 at the junction (re). It is easy to make the inclination angles of the joining sections (re) in the two rows on the left and right sides the same angle, and it is possible to prevent the cereals from being crossed at the joining section (re). The takeover of the cereals from each of the scraping devices 9a, 9a becomes good on the transfer start end side.

  As shown in FIGS. 3 and 4, the support pipe rod 16 b provided on the upper end portion of the support rod 16 a is provided with a support metal 19 a, and the support metal 19 a and the transfer end portion at the top of the tip transfer device 12. A connecting metal 19b is provided and connected to the tip upper metal 12e. With the connecting shaft 19c pivotally supported on the connecting metal 19b as the center of rotation, the lower side portion of the tip transfer device 12 on the side of the grain transfer portion is formed so as to be vertically rotatable. The center position of the connecting shaft 19c is provided at a predetermined distance above the center position of the support pipe rod 16b. As shown in FIG. 5, the support metal 19 a that supports the support pipe rod 16 b is provided so as to be positioned at a substantially central portion in the left-right direction of the body 1 a of the combine 1.

  As shown in FIG. 4, the outer side surface of the outer cover 20 for dust protection provided from the front side portion of the front side operation device 22 provided on the front side and the side side to the left side outer side surface portion of the left side outer operation device 22 is as shown in FIG. The reaper 4 is provided in the vicinity of the center (h) in the left-right direction or substantially the same position.

Thereby, accumulation | aggregation of rice cake waste etc. is prevented by separating | separating the head transfer path | route of a grain basket, and each said operating device 22. FIG. Moreover, scattering of grain and dust can be prevented.
The harvested cereal on the right row side is transferred toward the rear upper junction (re). As shown in FIGS. 4 and 6, the lower right root transfer chain 10d of the lower right root transfer device 10b includes a sprocket 9j provided in the right outer scraping device 9a and a tension device 28 provided in the transfer end portion. It is handed over to. On the transfer start end side of the lower right root transfer chain 10d, there is a recess (relief) on the right outer side and on the rear side of the meshing star wheels 9f, 9f of each of the second scraping devices 9a, 9a from the right side. Part) 10f. Even when a large amount of cereals are scraped, the lower right root transfer chain 10d escapes the cereals at the concave portion 10f to prevent clogging of the cereals being transferred. A chain rail 10e supports the lower right base transfer chain 10d. The outer diameter (D2) of the second scratched star wheel 9f from the right side is formed to be smaller than the outer diameter (D1) of the right outer scratched starfoil 9f.

  As shown in FIG. 6, a holding guide 21 is slidably moved by a holding device 21a on the working side of the lower right root transfer device 10b for transferring the cereals on the front side of the lower right root transfer chain 10d. Yes. An auxiliary clamping guide 21b extending to the junction (re) is provided at the transfer terminal end of the clamping guide 21 and a tension device 28 is provided. A spring 21c provided to the holding device 21a repels the holding guide 21.

The stock side of the harvested cereals that have been scraped and cut in the right two rows are clamped between the lower right root transfer chain 10d and each of the clamping guides 21 and 21b and transferred to the junction (re). Is done.
This prevents clogging of the cereals on the transfer start end side of the lower right root transfer chain 10d of the lower right root transfer device 10b even when a large amount of the right side two rows of cereals are scraped and taken over. can do. Moreover, deformation and breakage of parts can be prevented.

  As shown in FIGS. 7 and 8, a substantially L-shaped prevention plate 10h for preventing the right lower root transfer chain 10d of the lower right root transfer device 10b from drooping and falling off is provided. The prevention plate 10h is mounted on the chain rail 10e and is a transfer action side for transferring the cereal at the L part (rising part) of the prevention plate 10h. On the transfer terminal end side of the lower right root transfer chain 10d, the outer side of the chain pin is supported from the lower side on the lower side surface of the chain plate. Further, the transfer start end side of the prevention plate 10h is provided with a notch portion having a predetermined angle of inclination to prevent the transferred cereal from being caught.

  By providing the prevention plate 10h for supporting the lower side surface portion of the lower right root transfer chain 10d, it is possible to prevent the right lower root transfer chain 10d from hanging down and dropping off. Thereby, the transfer of the cereals becomes good, and the cereals can be reliably transferred to the junction (re).

  The harvested cereal rice cake on the left row side is transferred toward the rear upper merging section (re). As shown in FIGS. 6 and 9, the left root transfer chain 11a of the left root transfer device 11a includes a sprocket 9j provided on the drive gear case 9h of the left outer scraping device 9a and a left side portion of the transfer end portion. It is stretched over the left tension device 11b provided on the right side and the chain slider 11j provided on the right side of the transfer end portion.

  As shown in FIG. 9, the left tension device 11b pivotally supports a tension arm 11c by a tension shaft 11e. A tension pulley 11d is provided at the front end of the tension arm 11c. A spring 11f is provided at the left end, and the tension arm 11c is supported in a rotating state, and the left root transfer chain 11a is supported in a stretched state.

  As shown in FIG. 9, the tension arm 11c is provided with a rear outer portion 11h projecting to the vicinity of the rotational outer periphery of the tip of the chain plate of the left root transfer chain 11a. It is provided in a shape that prevents the rolling of cereals transferred by the chain 11a.

  The rear outer shape portion 11h of the tension arm 11c of the left tension device 11b provided on the left side of the transfer end portion that extends the left root transfer chain 11a of the left root transfer device 11 is a chain plate of the left root transfer chain 11a. By projecting to the vicinity of the rotational outer periphery of the tip of the arm, the rear outer shape portion 11h of the tension arm 11c is projected, so that the projecting portion of the rear outer shape portion 11h of the tension arm 11c. Thus, the entanglement of cereals can be prevented. Also, the transfer of cereals is improved. Furthermore, it is possible to prevent the cereal wrapping around the left root transfer chain 11a.

  By the left root transfer chain 11a of the left root transfer device 11 and the lower right root transfer chain 10d of the lower right root transfer device 10b, the cereals are transferred to the merging portion (re) at the upper rear, and this merging portion ( In addition, the cereal mashes joined in step (b) are further connected to the upper right root transfer chain 10c of the upper right root transfer device 10a, the tip transfer lug 12c attached to the tip transfer chain 12b of the tip transfer device 12 at predetermined intervals, and the supply transfer device 14 The feed star wheel 14b and the feed lug 14c are transferred to the rear upper part, and are taken over by the feed chain 2c of the threshing machine 2a and the clamping rod 2d. Thus, the inside of the threshing machine 2a is nipped and transferred, and the threshing machine 2a is threshed.

  As shown in FIGS. 10 and 11, a substantially U-shaped upper cover 18 is provided on the rear side of the pulling cases 8 a and 8 a of the left and right inner pulling devices 6 a and 6 b of the pulling device 6. On the right side of the upper cover 18, a protruding portion 18 a that protrudes toward the right side and substantially coincides with the lower right root transfer chain 10 d is provided. By this protrusion 18a, the harvested cereal meal to be transferred is stabilized and transferred to the merging portion (re).

  Thereby, the transfer angle of the tip is stabilized by combining the start end portion of the lower right root transfer chain 10d and the protruding portion 18a of the upper cover 18. Moreover, by making the area wide, the fall of the sawdust into the field is improved, and mixing into the pulling case 8a is prevented.

  As shown in FIGS. 12 to 15, a substantially U-shaped upper cover 18 is provided on the rear upper part of each of the raising cases 8 a of the left and right inner raising devices 6 a and 6 b. On the upper side, a box-shaped upper attaching / detaching cover 29 is detachably attached with a plurality of (three) bolts. The upper cover 18 and the upper detachable cover 29 are divided into two parts, the upper detachable cover 29 is easily attached and detached, and the upper cover 18 is provided with the left side portion protruding largely rearward.

  Thereby, the upper attachment / detachment cover 29 can be easily attached / detached, and the front / rear and left / right adjustment of the left / right inner pulling devices 6a, 6b, or the clearance adjustment of the pulling lug 8e can be easily performed. Furthermore, accumulation of soot and dust on the pulling transmission pipe and the like can be prevented.

  Conventionally, as shown in FIG. 16, the left inner / right inner pulling devices 6 a and 6 b on the left and right sides of the central portion of the pulling device 6, and the outer left outer / right outer pulling device 7 a, as shown in FIG. On the rear side of 7b, the left and right fixed tip transfer devices 33a and 33b for fixing the left and right fixed tip tips for transferring the tip side of the harvested cereal rice cake, and the vertical tip tips that can be turned up and down freely to the rear side A device 33c is provided, and a substantially mountain-shaped tip guide plate 33d is provided on the rear side of the left inner / right inner pulling devices 6a and 6b.

  As shown in FIGS. 5 and 17, the left inner / right inner pulling devices 6a, 6b and the left outer / right outer pulling devices 7a, 7b are arranged on the right side of the rear side of the harvested cereal rice bran. An upper right root transfer device 10a for transferring the side, a substantially triangular tip transfer device 12 for moving the tip side, and a supply transfer device 14 on the left side, as well as a left inner / right inner raising device 6a are provided. , 6b on the rear side, the guide plate 34b having a substantially mountain shape, and on the rear side of the left outer pulling device 7a, the tip left outer guide plate 34a and the outer right side are inclined from the front outer side to the rear inner side. A tip right outer guide plate 34c formed in a substantially square shape from the front outer side to the rear inner side is provided inside the pulling device 7b. The vertical tip transfer device 33c was abolished and shared by the tip transfer device 12, and the transmission mechanism of the tip transfer device 12 became unnecessary in the pretreatment section.

  As a result, by reducing the number of parts, cost reduction, weight reduction, vibration prevention, easy assembly, easy cleaning, improvement in maintenance, shortening of the machine body 1a, and improvement in workability are achieved. Can do.

  As shown in FIG. 16, the vertical tip transfer device 33c, which is an intermediate transfer on the pulling device 7a side, is abolished from the two left and right pulling transmission pipes, and the triangular tip transfer device 12 is replaced with a triangular tip transfer device 12 as shown in FIG. Provided.

Thereby, cost reduction, weight reduction, vibration prevention, easy assembly, and easy cleaning can be achieved by reducing the number of parts.
As shown in FIGS. 18 to 20, the combine 1 for cutting the four rows and the combine 36 for cutting the three rows are the lower portions of the four rows provided at the lower ends of the support rods 16 a that support the harvesters 4 and 38. The case 35 is divided into a left case 35a, a middle case 35b, and a right case 35c. In the lower case 37 in the triple row, the left and right cases 35a and 35c for the four rows are used in common on both the left and right sides, and the middle case 37a uses a dedicated part and can be recombined. Alternatively, the middle case 35b may be shared and the left and right sides may be dedicated parts.

  As a result, the combine 1 for cutting four rows and the combine 36 for cutting three rows use the left and right cases 35a and 35c in common, thereby reducing the number of parts, reducing cost, and sharing, Assembly can be facilitated.

  As shown in FIG. 7, the left root transfer chain 11a of the left root transfer device 11 is provided over the sprocket 9j provided in the scraping device 9a, the lateral side on the transfer action unit side, and the upper side on the transfer end side. The chain slider 11j and a tension pulley 11d pivotally supported on a tension shaft 11e provided on an L-shaped tension arm 11c of a left tension device 11b provided on the side of the transfer non-acting portion side are also spring-loaded. 11f is provided, and the left root transfer chain 11a is always held in the extended state.

  Thus, conventionally, the tension arm 11c of the left tension device 11b is formed in a T shape and is provided with two tension pulleys 11d pivotally supported. In the present invention, the tension arm 11c is L-shaped. As a letter shape, one tension pulley 11d is used, and a replacement part of the tension pulley 11d, which has been abolished by the chain slider 11j, reduces the number of parts, reduces costs, reduces noise, and increases strength. Can be achieved.

  As shown in FIG. 6 and FIG. 21, a small diameter staring wheel 9f at the lower part of the right side of the central part 9a and the upper pulley 9m are connected by a cylindrical connecting pipe 9n. Provided in this connecting pipe 9n portion is inserted a scraping shaft 9e into the inner diameter portion 9p, and is supported rotatably in a suspended state.

  The scraping lug 9c is formed on the scraping pulley 9Q formed integrally with the scraping star wheel 9f and the scraping pulley 9m by a resin material and the front scraping pulley 9Q provided at the front portion. The take-up belt 9d provided at intervals is stretched. These rake lugs 9c and rake star wheels 9f are used to scrape and transfer cereal grains to be harvested.

Thereby, by reducing the number of parts, it is possible to reduce the cost, facilitate the assembly, prevent the wrapping of the cereals around the cylindrical connecting pipe 9n, and reduce the weight.
As shown in FIG. 7 and FIG. 21, the stirrer star wheel 9f of the right side scraping device 9a and the upper scraping pulley 9m are connected by a connecting pipe 9n such as a resin material so as to be integrated. A predetermined interval (L2) is provided between the lower side portion of the clamping guide 21 formed entirely on the resin material and provided on the lower portion of the connection pipe 9n and the upper side surface of the driven star wheel 9f. A predetermined gap (L1) is provided between the inner side surface of the circular portion of the connection guide 21 and the outer diameter portion of the connection pipe 9n.

Thereby, prevention of the winding to the said connection pipe 9n part is aimed at.
As shown in FIGS. 7 and 22, the chain rail 10e that supports the lower right root transfer chain 10d of the lower right root transfer device 10b is sequentially transferred from the front end of the transfer toward the rear end of the transfer toward the rear end. Inclined at an angle, and when a large amount of corn straw is supplied between the lower right root transfer chain 10d and the clamping guide 21, the lower right root transfer chain 10d escapes to the rear part and is transferred. Prevents clogging.

  Thus, as shown in FIG. 6, conventionally, the holding guide 21 is provided with a spring or the like, and when a large amount of cereal is supplied, the holding guide 21 is allowed to escape forward. According to the present invention, by providing an inclination angle to the mounting of the chain rail 10e, the same effect can be obtained and the cost can be greatly reduced.

  23. The upper right root transfer device 10a, the tip transfer device 12, and the supply transfer device 14 that further transfer the cereal mash that has joined at the merging portion (re) of the reaper 4 that cuts the four rows to the rear upper part are shown in FIG. And the shape shown in FIG. In addition, the reaper 38 that cuts the three-row row uses the upper right root transfer device 10a and the supply transfer device 14 of the reaper 4 that cuts the four-row row, and the tip transfer device 38a is shown in FIG. Thus, unlike the triangular tip transfer device 12 for four-row rows, it is formed in a narrow and long shape and provided as a dedicated part for three-row cutting.

In this way, as many parts as possible are shared and used to reduce costs. In addition, it facilitates assembly by sharing and prevents erroneous assembly. In addition, the fund for starting up production is being reduced.
As shown in FIG. 10, FIG. 26 and FIG. 27, the transmission configuration of the left inner / right inner pulling devices 6a, 6b on the left and right sides of the central portion is lower than the transmission mechanism 16d of the support rod 16a. Input to the transmission mechanism 35d of the case 35, input to the transmission mechanism 39a of the lower transmission pipe 39 provided on the lower side of the lower case 35, and from the lower transmission pipe 39 through the front case 40 on the front side, the lower raising pipe 41 To the transmission mechanism 42a of the raising upper case 42, the transmission mechanism 42c of the left raising upper pipe 42b on the left and right sides from the raising upper case 42, and the right raising mechanism. The left inner / right inner pulling devices 6a and 6b are rotationally driven by being input to the transmission mechanism 42e of the upper case 42d.

  As a result, the rotational drive of the left and right inner pulling devices 6a and 6b branches the transmission to the left and right in the middle, greatly reducing cost, improving visibility, reducing weight, and preventing vibration. Etc. can be achieved.

  As shown in FIG. 28 and FIG. 29, an external auxiliary pulling device 43a is provided on the front side of the left outer pulling device 7a on the left outer side, and the left inner and right inner pulling devices 6a and 6b are provided on the left and right sides of the central portion. In the structure provided with the inner auxiliary pulling device 43b on the front side, the left outer pulling device 7a and the rear or rear transmission pipes 44 of the left inner / right inner pulling devices 6a, 6b, etc. In order to connect, a U-shaped connecting rod 44a is provided, and the lower end portions of the left inner / right inner pulling devices 6a and 6b are attached to the central weed body 5a.

  Thereby, the strength of the left outer pulling device 7a and the left inner / right inner pulling devices 6a and 6b can be increased. Further, it is possible to prevent vibration, facilitate assembly, and facilitate cleaning.

Enlarged front view of the transmission mechanism between the upper right root transfer device and the tip transfer device Enlarged plan view of the tip transfer unit Combine left side side view Overall plan view of combine Overall plan view of reaper Enlarged plan view of the scraping device part and the root transfer device part Enlarged plan view of the scraping device part and the root transfer device part Plane perspective view of right root transfer chain and prevention plate Magnified plan view of root transfer device Enlarged front view of the upper cover of the reaper Enlarged plan view of the upper cover of the reaper Front view of reaper top cover and top detachable cover Side view of the reaper top cover and top detachable cover Top view of the upper cover of the reaper and the upper removable cover Rear perspective view of the upper cover of the reaper and the upper detachable cover Plan view of conventional tip transfer device Top view of the tip transfer device Enlarged plan view of the lower case for cutting four rows An enlarged plan view of the lower case part for cutting the Sanjo row Enlarged front view of the lower case for cutting four rows Side view of the stirrer star foil of the scoring device Enlarged plan view of the lower right root transfer device Top view of the tip transfer device for cutting four rows of a mower Top view of the tip transfer device for cutting four rows of a mower Top view of the tip transfer device for cutting the three rows of the reaper Enlarged side view of the transmission mechanism of the pulling device Enlarged front view of the transmission mechanism of the pulling device Enlarged front view of the pulling device and auxiliary pulling device Enlarged side view of the pulling device and auxiliary pulling device

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 Traveling carriage 4 Mowing machine 5c Cutting blade device 6 Pulling device 9a Scratching device 10a Upper right root transfer device 10b Right lower root transfer device 11 Left root transfer device 12 Tip transfer device 14 Supply transfer device 15b Support rod 16a Support rod 16b Support pipe杆 16f Input shaft 16h Shift pipe 杆 16m Shift output shaft 24 Engine junction

Claims (2)

  The carriage (2) is a mowing machine (4) for cutting and transferring the grain shed on the front part to the upper rear side, and a plurality of pulling devices for causing the grain pods on one side and the grains on the other side. (6), a plurality of scoring devices (9a) for scrambling and transferring the raised culm, a cutting blade device (5c) for reclaiming the scumming to be scraped, and rear left and right of the cutting blade device (5c) The right lower root transfer device (10b) and the left root transfer device (11) for transferring the harvested cereal meals to the upper rear joining portion (re) are provided on both sides and transferred to the joining portion (re). The front which supports the said reaper (4) in the structure which provided the transfer transfer device (14), the upper right base transfer device (10a) and the tip transfer device (12) which take over the cereal and further transfers to the rear upper part The upper end of the support rod (16a), which is inclined from the lower part to the rear upper part, has a support pad in the left-right direction. A shift output shaft (16m) provided with a shaft (16b) and pivotally mounted on the support pipe rod (16b) or pivoted from the input shaft (16f) to the transmission pipe rod (16h). ), The rotational power of the engine (24) is input to the upper right root transfer device (10a), the tip transfer device (12), and the supply transfer device (14), and the support pipe rod (16b). The upper right root transfer device (10a), the tip transfer device (12), and the supply transfer device (14) are provided so as to be pivotable up and down with the input shaft (16f) as the rotation center. Grain transfer device.   The upper right root transfer device (10a), the tip transfer device (12), and the supply transfer device (14) are connected by a support rod (15b) or the like, and are provided detachably integrally. The combine cereal transfer apparatus of Claim 1.

Images