JP2007089461A - Grain culm-conveying apparatus for combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a grain culm-conveying apparatus solving the problems that, conventionally, the root foot side and ear tip side of reaped grain culms at the right side row might not be surely conveyed above rearward using a lower right root foot conveying apparatus, an upper right root foot conveying apparatus and an ear tip conveying apparatus. <P>SOLUTION: The grain culm-conveying apparatus works as follows: Reaped grain culms at one side(right side) row are conveyed above rearward using a lower right root foot conveying apparatus, an upper right root foot conveying apparatus and an ear tip conveying apparatus, while reaped grain culms at the other side(left sie) row are conveyed above rearward using a left root foot conveying apparatus and a feed conveying apparatus. For an ear tip conveying case housed with an ear tip conveying chain equipped with the ear tip conveying lug of the ear tip conveying apparatus, the conveyance angles for two sides acting to convey grain culms are provided so as to change in multiple tiers from smaller angle to larger angle successively from the conveyance starting end relatively to horizontality seen from the top. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  One row (right side) row of grains that have been scraped and trimmed by each of the scraping devices includes a lower right root transfer device, an upper right root transfer device that can be turned up and down integrally, and a tip transfer device. And transferred to the rear upper part of the takeover. In addition, the other side (left side) row of cereals is transferred to the upper rear part of the takeover by the left root transfer device and the supply transfer device that can be rotated up and down. The tip transfer device having a substantially triangular shape in a plan view is configured such that the transfer angle of the two sides of the grain transfer action side of the tip transfer case in which the tip transfer chain with the tip transfer lugs attached at predetermined intervals is set to the horizontal in the plan view. The technology is provided by changing from a transfer start end to a plurality of stages from a small angle to a large angle, and can be used as a combine culm transfer device.

  The harvesting operation of napped cereals with a combine is performed at the front part of the traveling chassis of this combine, and the cereals are caused by a plurality of pulling devices provided at the front part of the reaper that cuts and transports the cereal. Then, it is harvested while being scavenged by each of the plural scoring devices provided, and the harvested cereal meal is transferred to the rear upper part.

As shown in Japanese Patent Application Laid-Open No. 9-168325, the cereals harvested as described above were provided at predetermined intervals from the respective picking devices 10 to the auxiliary lug conveying chain of the auxiliary lug type tip conveying device provided at the lower right side. It is transported by the auxiliary take-up transport lug and provided on the left and right sides. It is handed over by the nail part of the drive scraper of the right-hand tip transfer device and the left-hand passive scratch body nail portion, and is taken into the lug transfer chain of the tip transfer device at a predetermined interval. The tip of the cereal is taken over by the take-up transfer lug that is installed and installed, and the stock side of the cereal is taken over by the take-up and transfer chain of the stock take-up and transfer device. And threshing.
JP-A-9-168325

  The cereals that are transferred on the one side (right side) row cut by the reaper have a long transfer distance, the transfer state is disturbed, or the cereals that are transferred on the other side row, The merging portion is not smoothly merged. For this reason, the merging portion is not smoothly transferred to the upper rear portion, and the merging portion is clogged.

  In addition, the takeover device to the tip take-up and transfer device and the passive take-up body may not be carried out smoothly, and the length of the reaper in the front-rear direction is long, so that the operability of the combine is poor. However, the present invention is intended to solve these problems.

In order to solve the above problems, the present invention takes the following technical means.
Therefore, according to the present invention, in the invention described in claim 1, the reaping machine (4) for cutting and transferring the cereals at the front part of the traveling chassis (2) to the upper rear part is provided with a plurality of triggers for causing the culm. On the rear right side of the device (6), a plurality of scoring devices (9a) for scrambling the culm of one row and the culm of the other row, The lower right root transfer device (10b) that transfers the stock side of the harvested cereal to the rear upper part, and the upper right root transfer device (10a) that can freely rotate as a unit and the substantially triangular shape that transfers the tip side to the rear upper part. In addition, the left root transfer device (11) for transferring the root side of the cereal to the rear upper part and the tip side are provided on the rear left side of each of the scraping devices (9a). In the configuration provided with a feed transfer device (14) and the like that can be moved up and down to be transferred to the upper rear part, In the tip transfer device (12) to be transferred, transfer of the two sides of the grain transfer action side of the tip transfer case (12a) equipped with a tip transfer chain (12b) equipped with a tip transfer lug (12c) at predetermined intervals The combine cereal transfer device is characterized in that the angle can be changed in a plurality of stages from a small angle to a large angle sequentially from the transfer start end with respect to the horizontal in plan view.

  The harvesting operation of the napped grain mash with the combine is provided at the front part of the traveling chassis (2) of the combine, and a plurality of pulling devices (4) provided on the front side of the reaper (4) for harvesting and transferring the grain mash ( While being raised in step 6), the right row side of the harvested cereals is cut up while being pulled up by each of the plural scraping devices (9a) provided, and the upper right and lower right roots are rotatable up and down integrally. By the transfer devices (10a) and (10b) and the tip transfer device (12) having a substantially triangular shape in plan view, it is taken over and transferred to the rear upper part. Further, the left row side of the harvested cereal is taken over by the left root transfer device 11 and the supply and transfer device (14) that is rotatable up and down and transferred to the rear upper part. The cereals that have been transferred on both the left and right sides and merged are transferred to the threshing machine (2a) and threshed.

  In the tip transfer device (12), a tip transfer chain (12b) equipped with tip transfer lugs (12c) at predetermined intervals is stretched and installed in a tip transfer case (12a). The transfer angle of the two sides (horizontal direction and vertical direction) of the tip transfer case (12a) on the side of the cereal transfer operation is gradually increased from a small angle sequentially from the transfer start end (lateral direction side) with respect to the horizontal in plan view. The angle is provided in multiple stages. The cereals transferred on one side (right row side) are intended to stabilize the transfer angle until the cereal transfer machine (2a) takes over from the transfer start end of the tip transfer case (12a).

  In invention of Claim 2, the tip guide cover (12f) provided in the upper surface of the tip transfer case (12a) of the tip transfer device (12) is the threshing provided in the rear side of the reaper (4). The machine (2a) is provided to be located from the front side vicinity to the right outside pulling device (6) to the rear side vicinity and is provided to be inclined downward from the apex part toward the working side of the cereal transfer, and is rotated up and down. The front part of the tip transfer case (12a) is provided in a downwardly inclined state toward the front lower part even when the movable tip transfer case (12a) is rotated to the uppermost position. The combine cereal transfer device described in 1. is used.

  The tip guide cover (12f) provided on the upper surface of the tip transfer case (12a) of the tip transfer device (12) for transferring cereals is the threshing machine (2a) provided on the rear side of the reaper (4). It is provided to be located from the front side vicinity to the rear side vicinity part of the right outer pulling device (6), and is provided to be inclined downward from the apex part toward the working side of the cereal transfer. In addition, even when the tip transfer case (12a) that can be moved up and down is rotated to the uppermost position, the front portion of the tip transfer case (12a) is provided in a downwardly inclined state toward the lower front portion, Sediment and dust falling from the cereal are allowed to flow down to prevent accumulation.

  In the first aspect of the invention, the substantially triangular tip transfer device (12) for transferring the tip side of the cereal has a tip transfer chain (12b) equipped with a plurality of tip transfer lugs (12c). The horizontal direction and the vertical direction transfer angle of the side part of the grain tip transfer case (12a) in the interior of the tip transfer case are from the horizontal transfer start end to the vertical transfer end with respect to the horizontal in plan view. By moving to a part gradually from a small angle to a large angle and providing a plurality of stages, the transfer angle of the cereals at the cereal transfer operation part of the tip transfer case (12a) is stabilized. In addition, spillage, slippage, etc. of cereal can be prevented. Furthermore, it is possible to prevent the cross of the tip at the junction where the left and right meet.

  In invention of Claim 2, it provides in the upper side surface of the tip transfer case (12a) of the tip transfer device (12) which transfers the tip side of a grain candy. The tip guide cover (12f) is provided so as to incline downward from the apex portion toward the working side of the cereal transfer, and the tip transfer case (12a) that can be turned up and down is moved to the uppermost position even during the rotational movement operation. The front part of the tip transfer case (12a) is provided in a downwardly inclined state toward the lower front part, so that the tip guide cover (12f) and the tip transfer case (12a) are dropped from the cereal grains being transferred. It is possible to prevent accumulated soot and dust. Moreover, it is possible to prevent the scattered grains from being transferred.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
A traveling chassis 2 is provided on the upper side of the traveling device 3 of the combine 1, and a reaper 4 is provided at the front part of the traveling chassis 2 to trim the napped grain cocoons. A threshing machine 2a for taking over and threshing, and a grain storage tank 2b for receiving and storing the threshed grain on the lateral side of the threshing machine 2a are placed. A plurality of weed bodies 5b for separating cereal grains to be harvested and a plurality of pulling devices 6 for separating and raising are provided at the front part of the reaper 4. The cereals caused by the pulling devices 6 are cut by the cutting blade device 5c while being raked by the rake devices 9a of the pestle scraping and transferring device 9, and the chopped potatoes will be described in detail later. However, the root side of the cereal is the left / upper right / lower right root transfer device 11, 10a, 10b of the cereal scraping transfer device 9, and the tip side is the right tip transfer device 12 and the left supply transfer device. 14 etc., it is transferred to the rear upper part and taken over to the threshing machine 2a, and the threshing machine 2a is threshed during the clamping transfer by the feed chain 2c and the clamping rod 2d. The threshed grain is supplied into the grain storage tank 2b and temporarily stored. Tip guide cover provided on the upper side of the tip transfer case 12a of the tip transfer device 12, the tip transfer device 12, the supply transfer device 14, and the tip transfer case 12a of the tip transfer device 12 12f etc. will be mainly illustrated and described.

  The combine 1 cuts four rows of cereals. This combine 1 will be described. As shown in FIGS. 6 and 7, a traveling device 3 in which a pair of left and right traveling crawlers 3 a traveling 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 nail flour 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 bar 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. 6 and FIG. 7, a narrow guide 5 a for separating the napped cereals, a plurality of weeding bodies 5 b, and a plurality of wakes for raising the napped cereals are provided at the front portion of the traveling chassis 2. The device 6, each of the scavenging devices 9 a of the scissor scraping and transporting device 9 for scrambling the raised stalks, the cutting blade device 5 c for cutting the stalked stalks, and the cut stalks The right side of the pestle scraping transfer device 9 that is transported and delivered to the feed chain 2c and the holding rod 2d of the threshing machine 2a is the upper right / lower right root transfer device 10a, 10b, the tip transfer device 12, and the left side is A reaping machine 4 including a left root transfer device 11 and a supply transfer device 14 is provided. The reaper 4 is configured to move 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 rotates up and down together with the support rod 16a.

  In the culm transfer path formed by the culm scraping transfer device 9 of the reaper 4, the presence or absence of supply of the cereal to the threshing machine 4 is performed by contacting the culm that is harvested and transferred. It is the structure which provided the grain candy sensor 4a to detect.

  As shown in FIG. 6 and FIG. 7, at the front part on the grain storage tank 2 b side, a control device 22 for starting and stopping the combine 1 and adjusting each part and the like, and a cockpit 23 are provided. 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. 6 and FIG. 7, a discharge support with a longitudinal transfer spiral 26 a 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 pivotally 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 discharge support 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. 6 and FIG. 7, the left two rows of cereals are separated from the left cereal by the second weed cocoons 5b and 5b from the left outer side, and the right two rows of cereals Separates the cereal grains by the second weed bodies 5b and 5b from the right outer side and the second right outer side.

  As shown in FIGS. 5 and 7, 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.

  The left and right inner pulling devices 6a and 6b and the left and right outer pulling devices 7a and 7b have upper and lower sprockets 8b and 8c at the upper and lower ends in the separately provided pulling case 8a shown in FIG. The upper and lower sprockets 8b and 8c are provided with a pulling chain 8d fitted with pulling lugs 8e 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. 5 and FIG. 7, the left and right outer pulling devices 7a and 7b and the left and right inner pulling devices 6a and 6b are raked into two rows of left and right rows 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. 3, 5, and 7, the upper right root transfer device 10 a spanning the upper right root transfer chain 10 c, and the lower right root transfer A right lower root transfer device 10b that spans the chain 10d is provided, and at the upper part on the right side, the tip is transferred to the lower side of the tip transfer case 12a having a substantially triangular shape and a substantially L-shaped transfer side surface portion at a predetermined interval. A tip transfer device 12 is provided that spans a tip transfer chain 12b equipped 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 left root transfer chain 11a is stretched over, and a plurality of supply lugs are provided below the supply case 14a provided on the driven shaft 15a in the upper part on the left side. 14c and the supply star wheel 14b are provided with the supply transfer device 14 which is pivotally supported on the 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 This is a configuration that automatically adjusts the handling depth position.

  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.

  As shown in FIG. 1 and FIG. 2, the tip transfer case 12 a equipped with the tip transfer chain 12 b equipped with a plurality of tip transfer lugs 12 c of the tip transfer device 12 is a grain of the tip transfer case 12 a.移送 The transfer angle of the two sides on the short side of the transfer action side is sequentially from the horizontal transfer side to the vertical transfer side in the plan view and from the transfer start end side to the transfer end portion in the horizontal view in the plan view. It is provided by changing from a small angle to a large angle in multiple stages.

  As shown in FIG. 2, for example, from the transfer start end side to the horizontal, from a small angle of 25 degrees to 50 degrees, 75 degrees, 90 degrees on the transfer end section side, approximately 25 degrees, or the transfer end section Are formed by sequentially changing them by approximately 15 degrees. The range of 25 degrees is a place where the right two rows are transferred, and the place changing from 25 degrees to 50 degrees is a joining portion (ri) where the left and right two rows join. In addition, at the position after 50 degrees, the left and right two rows are joined, and the four rows of cereals are transferred.

  The tip transfer case 12a of the tip transfer device 12 is such that the transfer angle of the two short sides on the side of the cereal transfer operation side is gradually reduced from the transfer start end to the transfer end with respect to the horizontal in plan view. Since the angle is changed to an angle increased by approximately 25 degrees or 15 degrees from a large angle, the transfer angle of the cereals is stabilized from the transfer start end to the transfer end. In addition, the transfer terminal portion can be prevented from spilling or slipping out of the cereal by being changed by 15 degrees. Furthermore, it is possible to prevent crossing of the tip of the cereal at the junction (ri).

  As shown in FIGS. 1, 3, and 4, a tip guide cover 12 f is provided on the upper side surface of the tip transfer case 12 a of the tip transfer device 12. 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. 3, 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. 3, the supply transfer device 14 is provided with a U-shaped support frame 15c at the tip of a support rod 15b provided in the tip transfer device 12, and a receiving 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. 5 and FIG. 7, 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. 5 and FIG. 7, the left side of the rake device 9a, 9a is obtained by cutting the cereal that has been cut by the cutting blade device 5c while being raked by the two left side rake devices 9a, 9a. From the left root transfer device 11 and the supply transfer device 14, the harvested cereal grains that are transferred to the merging portion (ri) and transferred on both the left and right sides at the merging portion (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. 3, the axial center (d) of 15 a is a configuration provided so as to be positioned on a substantially straight line in the front-rear direction. Further, the left two rows of cereals and the right two rows of cereals are transferred to the upper rear and merge. The shape up to the junction (d) position is a configuration formed in a substantially Y shape as shown in FIG. 3 in plan view.

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 FIGS. 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. 6 and 7, the support pipe rod 16 b provided at 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. 6, the support metal 19 a that supports the support pipe rod 16 b is provided so as to be positioned substantially at the center in the left-right direction of the body 1 a of the combine 1.

  The outer side surface of the dustproof outer cover 20 provided from the front side surface portion of the front side operation device 22 provided on the front side and the lateral 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.
As shown in FIGS. 7 and 8, the right lower root transfer chain 10d of the lower right root transfer device 10b includes a sprocket 9j provided on the right outer scraping device 9a and a tension device 28 provided on 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. 8, 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 rear clamping guide 21c is provided on the front side of the tension device 28. The spring 21d repels the clamping guide 21.

  The stock side of the harvested cereal grains 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, 21b, 21c, and the junction (re) It is transferred to.

  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. 9 and 10, 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.

  When the culm length of the cereal is a standard culm length of 900 to 1000 mm, when the stylus transfer device 12 is operated to the position to be operated, the stylus lower shaft provided at the lower part on the right side in front of the stylus transfer case 12a of the stylus transfer device 12 As shown in FIGS. 3 and 11, the shaft center (b) of the lower sprocket 13f pivotally supported by 13b is connected to the second right outer pulling device 7b and the right inner pulling device 6b from the right outer side and the right outer side. An upper sprocket provided to be positioned at the center in the left-right direction between the pulling lugs 8e and 8e of the stretched lifting chains 8d and 8d, and to be supported by a tip upper shaft 13a provided on the upper left side after the tip transfer case 12a. As shown in FIG. 3 and FIG. 11, the center (b) of 13d is each of the pulling chains 8d provided to the left outer pulling device 7a, which is the second from the left outer side and the left outer side, and the left inner pulling device 6a. 8d each trigger 8e, it is provided by positioning the lateral middle portion of the inter-8e.

Thereby, the said tip transfer apparatus 12 can obtain the maximum transfer capability at the time of standard cocoon length. Moreover, the pulling out of the cereal by the pulling lug 8e and the crossing of the cereal can be prevented.
As shown in FIGS. 12 and 13, the supply lug 14c of the supply transfer device 14 is approximately 120 of the operating position of the tip transfer lug 12c of the tip transfer device 12 from the operating position of the pulling lug 8e of the left outer pulling device 7a. The left two rows of cereals are transported to the junction (re). For this purpose, an upright guide 14 d is provided in the supply case 14 a of the supply transfer device 14.

  Thereby, expansion of the uptake | capture range of the tip side of the grain basket of the left 2 row | line | column can be aimed at. In addition, it is possible to improve the adaptability of the large-scale cereal cocoons and the long potato cereals. Furthermore, crossing of the cereals after the junction (re) can be prevented.

  As shown in FIG. 3, the rotational speed (V1) of the tip transfer lug 12c of the tip transfer device 12 and the peripheral speed (V2) of the rotation outer periphery of the supply star wheel 14b of the supply transfer device 14 are substantially the same. Yes.

  Thereby, when cutting the right two rows, there is no leading side on the tip side, and conversely, the tip side tends to be delayed. By increasing the speed of the tip transfer lug 12c and setting it to (V1) = (V2), it is possible to prevent crossing and winding of the left and right rows.

  The front and rear tip guides 14e and 14f provided from the supply star wheel 14b portion of the supply case 14a of the supply transfer device 14 to the rear portion of the receiving rod 15d are, as shown in FIGS. 14 and 15, the front tip guide 14e. Is provided from the semicircular shape to the rear side of the driven shaft 15a on the upper surface of the supply case 14a. Further, the rear tip guide 14f is provided at the rear portion of the lower side surface of the supply case 14a. Further, the front tip guide 14e is provided with a protruding portion 14h that protrudes upward to prevent the tip side from falling down.

  As a result, the rear tip guide 14f is provided on the rear side of the lower side surface of the supply case 14a, so that there is no accumulation of soot and dust on the supply case 14a. In addition, the tip side portion can be prevented from falling.

  As shown in FIGS. 16 to 19, as shown in FIGS. 16 to 19, a substantially U-shaped upper cover 18 is provided at 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.

  Thus, the configuration in which the upper detachable cover 29 can be easily attached / detached makes it easy to adjust the front / rear and left / right adjustment of the left / right inner pulling devices 6a, 6b, or the clearance of the pulling lug 8e. Furthermore, accumulation of soot and dust on the pulling transmission pipe and the like can be prevented.

  As shown in FIGS. 20 and 21, a rail assembly component 31 such as a chain rail 10e that supports the lower right root transfer chain 10d of the lower right transfer chain device 10b is transferred to a support rod assembly 30 such as a support rod 15b. It is a detachable configuration.

  The support rod assembly 30 is provided with a receiving rod 30c on the support rod 15b. The receiving rod 30c is provided with a receiving plate 30a and a mounting plate 30b after mounting a plurality of nuts 30e, and a front mounting with mounting nuts 30e. A plate 30d is provided.

  The rail assembly component 31 includes a rear mounting plate 31a provided with a plurality of mounting holes 31b in the chain rail 10e and a front mounting plate 30c provided with a plurality of mounting holes 31b. The bolts are inserted into the mounting holes 31b of the front and rear mounting plates 30c and 30a of the rail assembly part 31, and the bolts are screwed into the nuts 30e of the front and rear mounting plates 30d and 30b of the support rod assembly part 30. Match. The rail assembly part 31 is detachable by screwing or removing each bolt.

The chain rail 10e that supports the lower right root transfer chain 10d uses a square pipe material.
Thereby, the rail assembly part 31 can be replaced. Moreover, accumulation of sawdust, dust, and grains on the chain rail 10e can be prevented. Furthermore, noise can be prevented and cost can be reduced by using a square pipe material for the chain rail 10e.

  As shown in FIGS. 3, 22, and 23, the tip transfer case 12 a of the tip transfer device 12 is provided with a lug guide 33 made of a square pipe material on the lower surface of the upper case 32 a and A lug guide 33 made of a square pipe material is provided on the upper side surface of the receiving plate 32d, and a lug standing guide 33a made of a square pipe material is placed on the upper side surface of the receiving plate 32d on the outer side of the lug guide 33. The gap with the lug guide 33 is provided at a predetermined interval and substantially the same interval, and the tip transfer lug 12c provided at the predetermined interval to the tip transfer chain 12b is erected in an active state by the lug standing guide 33a. Further, the portion without the standing guide 33a is laid down in an inactive state.

  Front and rear support plates 33b and 33c are provided on the front and rear sides of the lug guide 33, and a receiving plate 32d is provided at a substantially central portion in the front and rear direction. The receiving plate 32d and a supporting plate 32b provided on the upper case 32a A connecting plate 32c is provided between them and connected to form the tip transfer case 12a integrally.

As a result, the tip transfer lug 12c can be detached, the lug standing guide 33 can be prevented from being deformed, the weight can be reduced, the accumulation of sawdust, etc., and the noise and vibration caused by the square pipe material can be prevented.
As shown in FIG. 24, a support plate 10h is provided on the transfer start end side of the chain rail 10e that supports the lower right root transfer chain 10d of the lower right root transfer device 10b. The gear case 9h is rotatably supported on a scraping shaft 9e of a scraping device 9a.

  The tension device 28 at the transfer end of the chain rail 10e is provided with a mounting plate 28a. The mounting plate 28a of the tension device 28 is attached to a receiving rod 16f provided on the support rod 16a with mounting pins 28b and nuts, and the nuts are tightened to the back side surface of the receiving rod 16f. The rear pinching guide 21c, which is provided on the chain rail 10e and is used for guiding the movement of the cereals, is used as a handle for rotational movement, and the rear pinching guide 21c is moved to the rear right outside. By the turning operation, the support plate 10h, the chain rail 10e, the tension device 28, the lower right root transfer chain 10d, and the like simultaneously turn and move rearward and rightward with the take-in shaft 9e as the turning center.

  Thereby, when clogging occurs in the cereal meal being transferred by the lower right root transfer device 10b, an early solution can be achieved. In addition, it is possible to improve maintainability, simplify the rotation configuration, and facilitate stock transfer.

As shown in FIG. 26, the cutting blade device 5c has a configuration in which the cutting blade 5d is divided into left and right parts, and the receiving blade 5e is integrally formed in the left and right direction.
As shown in FIGS. 25 and 26, the lower end portion of the support rod 16a is provided with a cutting lower gear case 36 having a transmission mechanism 36a therein, and a central portion protruding forward from the cutting lower gear case 36. The outer front frame 34b is provided on the middle front frame 34a, the outer left and right sides, and the inner left and right sides. The middle front frame 34a and the four outer front frames 34b are each provided with a substantially triangular middle cutting blade guide 35a and each outer cutting blade guide 35b at the front portion of the cutting device 5c. .

  The middle cutting blade guide 35a provided at the front portion of the cutting blade device 5c of the middle front frame 34a is bent at a predetermined position in the vertical direction, and the upper side is inclined and the lower side is formed in a substantially vertical state. Yes. This vertical part is only in the range from the height of the low mowing to the height of the high mowing to harvest the cereal. Further, only the outer cutting blade guide 35b to be mounted on the outer front frame 34b on the right outer side is provided to be inclined inward at a predetermined angle. Furthermore, each outer cutting blade guide 35b to be mounted on each other outer front frame 34b is mounted at a predetermined position on the left side or the right side from the center of each outer front frame 34b.

As shown in FIG. 25, the center position of the middle front frame 34a is provided to the right by a predetermined distance from the center position of the support rod 16a, which is the center position of the reaper 4.
As a result, it is possible to prevent cereals from being left behind, to improve the durability of the cutting blade device 5c, and to prevent the sawdust from being caught on the middle and outer cutting blade guides 35a and 35b. Furthermore, the right and left balance of the reaper 4 can be improved, vibration can be prevented, and mud pushing can be prevented.

Enlarged plan view of the tip transfer unit and the supply transfer unit Top view of the tip transfer case Enlarged plan view of the tip guide cover part of the tip transfer device Enlarged side view of the tip guide cover of the tip transfer device Enlarged plan view of the cereal transfer device Combine left side side view Overall plan view of combine Magnified plan view of root transfer device Enlarged front view of the upper cover Enlarged plan view of the upper cover Front view of the tip transfer unit Enlarged plan view of the tip transfer unit Enlarged plan view of the supply transfer unit Enlarged plan view of the supply transfer unit Enlarged front view of the supply and transfer unit Expanded rear view of the upper cover Expanded side view of the upper cover Enlarged plan view of the upper cover Enlarged rear perspective view of the upper cover Enlarged plan view when assembling support collar and rail Enlarged plan view when disassembling support collar and rail Enlarged plan view of the supply transfer unit Enlarged front view of the supply and transfer unit Enlarged plan view of the lower right root transfer device Enlarged plan view of the cutting blade device Side view of the cutting blade device

Explanation of symbols

2 traveling chassis 2a threshing machine 4 reaper 6 pulling device 9a scraping device 10a upper right root transfer device 10b right lower root transfer device 11 left root transfer device 12 tip transfer device 12a tip transfer case 12b tip transfer chain 12c tip transfer lug 12f tip Guide cover 14 Supply transfer device

Claims (2)

  A reaper (4) for cutting and transferring the cereals at the front part of the traveling chassis (2) to the upper rear part, a plurality of pulling devices (6) for raising the cereals, the cereals on one side and the other side A plurality of scoring devices (9a) for scrambling the row of cereals, and on the right rear side of each of the scoring devices (9a), the lower right root that transfers the stock side of the harvested cereal to the rear upper part A transfer device (10b), an upper right root transfer device (10a) that can be freely rotated integrally, and a substantially triangular tip transfer device (12) that transfers the tip side to the rear upper part are provided. ) On the left side of the left side, the left root transfer device (11) for transferring the grain stock side to the rear upper part, the vertically movable supply transfer device (14) for transferring the tip side to the rear upper part, etc. In the structure provided, the tip transfer device (12) for transferring the tip side of the grain pod has a tip transfer lug (1 c) The transfer angle of the two sides on the grain transfer action side of the tip transfer case (12a) equipped with the tip transfer chain (12b) mounted at a predetermined interval is sequentially reduced from the transfer start end with respect to the horizontal in plan view. A combine culm transfer device, characterized in that it can be changed in multiple stages from an angle to a large angle.   The tip guide cover (12f) provided on the upper side surface of the tip transfer case (12a) of the tip transfer device (12) is located on the right side from the front side vicinity of the threshing machine (2a) provided on the rear side of the reaper (4). An outer pulling device (6) is provided so as to be located near the rear side, and is provided to be inclined downward from the apex portion toward the action side of the cereal transfer, and a tip transfer case (12a) that is freely movable up and down. The combine cereal transfer device according to claim 1, wherein the front portion of the tip transfer case (12a) is provided in a downwardly inclined state toward the lower front portion even during a rotational movement operation to the uppermost position.

Images