JP5125474B2 - Combine harvester - Google Patents

Combine harvester Download PDF

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JP5125474B2
JP5125474B2 JP2007323459A JP2007323459A JP5125474B2 JP 5125474 B2 JP5125474 B2 JP 5125474B2 JP 2007323459 A JP2007323459 A JP 2007323459A JP 2007323459 A JP2007323459 A JP 2007323459A JP 5125474 B2 JP5125474 B2 JP 5125474B2
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scraping
belt
cereal
pulley
conveying
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JP2009142214A (en
JP2009142214A5 (en
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龍二 明比
達也 三宅
智志 北川
和平 石賀
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Iseki and Co Ltd
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Iseki and Co Ltd
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Description

本発明は、コンバインの刈取装置に関するものである。   The present invention relates to a combine harvester.

コンバインの刈取装置に備える掻込搬送装置として、支持アームに回転自在に軸支する回転軸の両端に、穀稈を掻き込む掻込回転体を設け、この支持アームの回転軸両端部に皿状の固定カバーを設け、この固定カバーと各掻込回転体との間に回転自在のカラーを介装し、穀稈巻き付きを防止するものは公知である（特許文献１）。   As a scraping and transporting device for a combine harvesting device, a scraping rotary body that scrapes corn straw is provided at both ends of a rotating shaft that is rotatably supported by a supporting arm, and a dish-like shape is provided at both ends of the rotating shaft of the supporting arm. It is well known that a fixed cover is provided and a rotatable collar is interposed between the fixed cover and each of the scraping rotators to prevent wrapping of the culm (Patent Document 1).

また、コンバインの刈取装置において、圃場の穀稈を刈取部に掻き込んで連続的に刈り取ると共に、刈刃、引越しタイン、スターホイル、掻込ベルト、下部搬送チェンを備え、下部のスターホイルと上部の単一の掻込ベルトにより穀稈を掻き込むものは、公知である（特許文献２）。
特開平８−１７２８５７号公報 特開２００１−２９９０５０号公報 Also, in the combine harvesting device, the grain culm in the field is scraped into the harvesting unit and continuously harvested, and also includes a cutting blade, a moving tine, a star wheel, a scooping belt, and a lower conveying chain. It is well known that the rice cake is scraped with a single scooping belt (Patent Document 2).
JP-A-8-172857 JP 2001-299050 A

特許文献２の穀稈掻込搬送装置は、スターホイルの上方に位置している単一の掻込ベルトにより穀稈を掻き込むものにあっては、穀稈が倒伏していると、掻込ベルトによる掻込搬送能力が低下し、特に短穀稈の場合にはこの傾向が顕著であった。   In the culm scraping and conveying device of Patent Document 2, in the case where the culm is scraped by a single scoring belt located above the star wheel, The ability to carry and transport the belt by the belt was lowered, and this tendency was remarkable particularly in the case of short cereals.

そこで、本発明は、分草杆で分草した植立穀稈を穀稈引起し装置により引き起し、次いで穀稈掻込搬送装置により掻込搬送するコンバインにおいて、上下一対の穀稈掻込搬送装置を設けることにより、穀稈の掻込搬送能力を高めようとするものである。   Therefore, the present invention provides a pair of upper and lower corn straws in a combine that raises the planted cereals that have been weeded with the weed cocoons and then causes the cereals to be raised by the apparatus and then scraped and conveyed by the cereal scraping and conveying apparatus. By providing a conveying device, the cedar scraping and conveying ability is increased.

請求項１記載の発明は、穀稈を分草する分草体（１１）と、該分草体（１１）で分草された穀稈を引き起こす穀稈引起し装置（１２）と、該穀稈引起し装置（１２）で引き起こされた穀稈を掻込搬送する穀稈掻込搬送装置（１３）と、該穀稈掻込搬送装置（１３）で掻き込まれた穀稈を切断する刈刃装置（１４）を設け、前記穀稈掻込搬送装置（１３）を、後側下部プーリ（１３ａ）と前側下部プーリ（１３ｂ）に巻き掛けられていて掻込ラグ（１３ｃ，…）を備えた下部掻込ベルト（１３ｄ）と、後側上部プーリ（１３ｅ）と前側上部プーリ（１３ｆ）に巻き掛けられていて掻込ラグ（１３ｇ，…）を備えた上部掻込ベルト（１３ｈ）と、前記下部掻込ベルト（１３ｄ）に対向配置されている弾性材からなる下部ガイド杆（１３ｉ）と、前記上部掻込ベルト（１３ｈ）に対向配置されている弾性材からなる上部ガイド杆（１３ｊ）と、前記後側下部プーリ（１３ａ）の下方に設けたスターホイル（３２）とで構成し、該穀稈掻込搬送装置（１３）を支持する掻込搬送フレーム（１３ｍ）によって穀稈掻込搬送装置（１３）における前記上部掻込ベルト（１３ｈ）と下部掻込ベルト（１３ｄ）の間の部位を支持し、該穀稈掻込搬送装置（１３）における掻込搬送フレーム（１３ｍ）で支持した部位と上部掻込ベルト（１３ｈ）の間には、穀稈掻込搬送装置（１３）により掻込まれた穀稈を搬送する中継集草搬送装置（１５ｆ，１５ｇ）からの動力を穀稈掻込搬送装置（１３）へ伝達する駆動用スプロケット（３８，３８）を備えたコンバインの刈取装置とする。 The invention described in claim 1 includes a herbaceous body (11) for weeding cereals, a cereal-causing device (12) that causes cereals that have been weeded with the herbaceous body (11), and Cereal scraping and transporting device (13) for scraping and transporting the culm caused by the chopping device (12), and a cutting blade device for cutting the stalk that has been scraped by the culm scraping and transporting device (13) (14) is provided, and the cereal scraping and conveying device (13) is wound around a rear lower pulley (13a) and a front lower pulley (13b) and includes a lowering lug (13c,...) A scraping belt (13d), an upper scraping belt (13h) wound around a rear upper pulley (13e) and a front upper pulley (13f) and having a scraping lug (13g, ...); A lower guide rod (13i) made of an elastic material disposed opposite to the take-up belt (13d); An upper guide rod (13j) made of an elastic material disposed opposite to the upper scraping belt (13h) and a star wheel (32) provided below the rear lower pulley (13a), the grain A portion between the upper and lower scooping belts (13h) and (13d) in the culm scooping and transporting device (13) is driven by a scooping and transporting frame (13m) that supports the rice bran and transporting device (13). Between the part supported and supported by the rake conveying frame (13m) in the cereal rake transfer device (13) and the upper rake belt (13h), the culm rake conveying device (13) A harvesting device for a combine equipped with a drive sprocket (38, 38) for transmitting power from a relay grass collecting and conveying device (15f, 15g) that conveys the rare cereal to the cereal scraping and conveying device (13). .

上記構成によると、分草体（１１）により穀稈通路に案内された植立穀稈は、穀稈引起し装置（１２）により引き起こされ、次いで、上下一対の下部掻込ベルト（１３ｄ）の掻込ラグ（１３ｃ，…）及び上部掻込ベルト（１３ｈ）の掻込ラグ（１３ｇ，…）により掻き込まれ、次いで、下部掻込ベルト（１３ｄ）の掻込ラグ（１３ｃ，…）と下部ガイド杆（１３ｉ）、及び、上部掻込ベルト（１３ｈ）の掻込ラグ（１３ｇ，…）と上部ガイド杆（１３ｊ）により、植立穀稈の根元側及び穂先側の双方が弾圧的に挟持されながら後方に掻込搬送され、スターホイル（３２）により掻き込まれる。   According to the above configuration, the planted culm guided to the culm channel by the weed body (11) is caused by the culm pulling device (12), and then the scratches of the upper and lower pair of lower screed belts (13d). It is raked by the lagging lugs (13c,...) And the rake lugs (13g,...) Of the upper rake belt (13h), and then the rake lugs (13c,...) Of the lower rake belt (13d) and the lower guide. Both the root side and the tip side of the planted cereal cocoon are elastically held by the ridge (13i) and the rake lug (13g, ...) of the upper rake belt (13h) and the upper guide ridge (13j). Then, it is scraped and conveyed backward, and is stirred by the star wheel (32).

請求項２記載の発明は、前記下部掻込ベルト（１３ｄ）の下面に近接させて前記スターホイル（３２）を配置した請求項１記載のコンバインの刈取装置とする。   The invention according to claim 2 is the combine harvesting device according to claim 1, wherein the star wheel (32) is disposed in the vicinity of the lower surface of the lower scraping belt (13d).

請求項３記載の発明は、前記スターホイル（３２）を、前記下部掻込ベルト（１３ｄ）の後側下部プーリ（１３ａ）の下面に取り付けた請求項２記載のコンバインの刈取装置とする。
請求項４記載の発明は、前記穀稈掻込搬送装置（１３）には、前記中継集草搬送装置（１５ｆ，１５ｇ）の後部に設けられた左右集草搬送装置（１５ｂ，１５ｃ）から、中継集草搬送装置（１５ｆ，１５ｇ）を介して駆動力が伝達される構成とした請求項１または請求項２記載のコンバインの刈取装置とする。 The invention according to claim 3 is the combine harvester according to claim 2, wherein the star wheel (32) is attached to the lower surface of the rear lower pulley (13a) of the lower scraping belt (13d).
The invention according to claim 4 is the left and right grass collecting and conveying device (15b, 15c) provided in the rear part of the relay grass collecting and conveying device (15f, 15g), to the grain squeezing and conveying device (13), The combine mowing device according to claim 1 or 2, wherein the driving force is transmitted through the relay grass collecting and conveying device (15f, 15g).

請求項１記載の発明によると、穀稈の根元側を下部掻込ベルト（１３ｄ）の掻込ラグ（１３ｃ，…）と下部ガイド杆（１３ｉ）により、穂先側を上部掻込ベルト（１３ｈ）の掻込ラグ（１３ｇ，…）と上部ガイド杆（１３ｊ）により掻き込み、この穀稈の根元側及び穂先側の双方が弾圧的に挟持されながら後方に掻込搬送されて、スターホイル（３２）で掻き込まれるため、穀稈のこぼれが少なくなって取り込みが確実化し、特に短い穀稈に対する掻込搬送性能を向上させることができ、コンバインによる刈取作業の能率を高めることができる。   According to the first aspect of the present invention, the root side of the cereal bud is caused by the rake lugs (13c,...) And the lower guide ridge (13i) of the lower rake belt (13d), and the tip side is the upper rake belt (13h). And the upper guide rod (13j), and both the root side and the tip side of the cereal are clamped and conveyed backward, and the star wheel (32 ), The spillage of the cereals is reduced and the uptake is ensured, and particularly the squeeze conveyance performance for a short cereal can be improved, and the efficiency of the cutting work by the combine can be increased.

請求項２記載の発明によると、請求項１記載の発明の効果に加えて、下部掻込ベルト（１３ｄ）の下側にスターホイル（３２）を位置させることができる。
請求項３記載の発明によると、請求項２記載の発明による効果に加えて、穀稈掻込搬送装置（１３）をコンパクトに構成できる。
請求項４記載の発明によると、請求項１または請求項２記載の発明による効果に加えて、左右集草搬送装置（１５ｂ，１５ｃ）から中継集草搬送装置（１５ｆ，１５ｇ）を介して穀稈掻込搬送装置（１３）に駆動力を伝達することができる。 According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the star wheel (32) can be positioned on the lower side of the lower scraping belt (13d).
According to invention of Claim 3, in addition to the effect by the invention of Claim 2, a corn straw pick-up conveyance apparatus (13) can be comprised compactly.
According to the invention of claim 4, in addition to the effect of the invention of claim 1 or claim 2, the grain is transferred from the left and right grass collecting and conveying device (15b, 15c) via the relay grass collecting and conveying device (15f, 15g). The driving force can be transmitted to the scissor transporting device (13).

まず、図１に基づき本発明を具備するコンバインの全体構成について説明する。図１はコンバインの全体側面図である。
コンバインの走行車台１の下方には左右走行クローラ２，２を配設し、走行車台１上の右側前部に操縦部３を、操縦部３の後方にグレンタンク４を、左側部に脱穀部５を搭載し、走行車台１の前側部には刈取搬送部６を昇降自在に設けている。この刈取搬送部６には、図２に示すように、複数の分草体１１，…、穀稈引起し装置１２、…、穀稈掻込搬送装置１３、刈刃装置１４、穀稈集送搬送装置１５、穀稈搬送装置１６等を設けている。 First, the overall structure of a combine equipped with the present invention will be described with reference to FIG. FIG. 1 is an overall side view of the combine.
The left and right traveling crawlers 2 and 2 are arranged below the traveling chassis 1 of the combine, the steering unit 3 is located on the front right side of the traveling chassis 1, the Glen tank 4 is located behind the steering unit 3, and the threshing unit is disposed on the left side. 5 is mounted on the front side of the traveling chassis 1 so as to be movable up and down. As shown in FIG. 2, the cutting and conveying unit 6 includes a plurality of herbaceous bodies 11,..., A culm raising device 12,. A device 15, a cereal conveyance device 16, and the like are provided.

前記構成により、コンバインの回転各部を駆動走行し刈取作業を開始すると、走行クローラ２，２が回転してコンバインは走行を開始する。すると、圃場の穀稈は刈取搬送部６の前側部の分草体１１，…により穀稈条列毎に分草されながら穀稈引起し装置１２，…に案内され、引起しラグにより引き起される。引起された穀稈は穀稈掻込搬送装置１３により掻き込まれて刈刃装置１４で刈り取られ、穀稈集送搬送装置１５に左右両側から中央部に集められ、次いで、穀稈搬送装置１６により後方に搬送され、脱穀部５のフィードチェンに引き継がれ脱穀される。   With the above-described configuration, when the rotating parts of the combine are driven to run and the cutting operation is started, the running crawlers 2 and 2 are rotated to start the combine. Then, the grain straws in the field are guided to the grain straw raising device 12,..., While being sown for each grain straw row by the weed bodies 11,. The The raised cereals are scraped by the cereal scraping and conveying device 13 and cut by the cutting blade device 14, collected in the central part from the left and right sides by the cereal collecting and conveying device 15, and then the cereal conveying device 16. Is carried back to the feed chain of the threshing unit 5 and threshed.

次に、図２乃至図５に基づき刈取搬送部６について具体的に説明する。
刈取搬送部６の後側部には、伝動装置の内装されている平面視略Ｔ字型の刈取搬送フレーム２１を設け、この刈取搬送フレーム２１の前側部から前方に向けて刈刃フレーム１４ａを延出し、この刈刃フレーム１４ａから複数の分草体１１，…を前方に延出している。また、刈刃フレーム１４ａの前側部には、左右方向の引起し下部フレーム１２ａを取り付けている。また、刈取搬送フレーム２１の後部から引起し後部フレーム１２ｂを前方上方に向けて延出し、引起し後部搬送フレーム２１ｂの前側端部に左右両側に沿った引起し上部フレーム１２ｃを設けている。そして、この引起し下部フレーム１２ａと引起し上部フレーム１２ｃとにより、穀稈引起し装置１２の複数の引起しケース１２ｄ，…を分草体１１，…の後方に位置するように支持している。また、刈刃フレーム１４ａには刈刃装置１４を取り付け、穀稈引起し装置１２で引き起こされ、後述の穀稈掻込搬送装置１３，…により掻き込まれた穀稈を刈り取るように構成している。 Next, the cutting and conveying unit 6 will be specifically described with reference to FIGS.
On the rear side of the cutting and conveying unit 6, there is provided a substantially T-shaped cutting and conveying frame 21 in plan view in which the transmission is built, and the cutting blade frame 14 a is forwardly directed from the front side of the cutting and conveying frame 21. A plurality of weed bodies 11,... Extend forward from the cutting blade frame 14a. Further, the lower frame 12a is attached to the front side portion of the cutting blade frame 14a in the left-right direction. Further, the rear frame 12b is raised from the rear part of the cutting and conveying frame 21 and extends forward and upward, and a raised upper frame 12c is provided along the left and right sides at the front end of the rear conveying frame 21b. And the raising lower frame 12a and the raising upper frame 12c support a plurality of raising cases 12d,... Of the grain raising device 12 so as to be positioned behind the weed bodies 11,. Further, a cutting blade device 14 is attached to the cutting blade frame 14a, and is configured so as to reap the culm that is caused by the culm pulling device 12 and scraped by the culm scavenging and transporting device 13, which will be described later. Yes.

また、刈取搬送フレーム２１の前側部には左右両側及び中央部に集送フレーム１５ａ，…を設け、集送フレーム１５ａ，…に穀稈集送搬送装置１５，…を設けている。また、集送フレーム１５ａ，…から前方に延出した掻込搬送フレーム１３ｍに穀稈掻込搬送装置１３，…を取り付けている。   Further, the front side portion of the cutting and conveying frame 21 is provided with collecting frames 15a,... At the left and right sides and the central portion, and the cereal collecting and conveying devices 15,. Further, the cereal scraping and transporting devices 13 and so on are attached to the scraping and transporting frame 13m extending forward from the collecting frames 15a and so on.

次に、穀稈掻込搬送装置１３，…について具体的に説明する。穀稈掻込搬送装置１３，…は、穀稈の条数（Ｋ）にそれぞれに対応するように、７条型では７個の穀稈掻込搬送装置１３，…設けている。   Next, the cereal scraping and conveying device 13, ... will be specifically described. In the seven-row mold, seven culm scraping and conveying devices 13,... Are provided so as to correspond to the number (K) of corn straw.

この穀稈掻込搬送装置１３は、図２、図５及び図６に示すように、後側下部プーリ１３ａと前側下部プーリ１３ｂに巻き掛けられていて且つ掻込ラグ１３ｃ，…を所定間隔毎に有する下部掻込ベルト１３ｄと、後側上部プーリ１３ｅと前側上部プーリ１３ｆに巻き掛けられていて且つ掻込ラグ１３ｇ，…を所定間隔毎に有する上部掻込ベルト１３ｈと、下部掻込ベルト１３ｄの掻込ラグ１３ｃに対向配置されている弾性材からなる下部ガイド杆１３ｉと、上部掻込ベルト１３ｈの掻込ラグ１３ｇに対向配置されている弾性材からなる上部ガイド杆１３ｊと、後側下部プーリ１３ａの下方に位置するスターホイル３２，…とで、構成されている。   As shown in FIGS. 2, 5 and 6, the grain kneading and transporting device 13 is wound around the rear lower pulley 13 a and the front lower pulley 13 b and is driven by the scraping lugs 13 c at predetermined intervals. A lower scraping belt 13d, a rear upper pulley 13e and a front upper pulley 13f, and an upper scraping belt 13h having a scraping lug 13g at predetermined intervals, and a lower scraping belt 13d. A lower guide rod 13i made of an elastic material arranged opposite to the scraping lug 13c, an upper guide rod 13j made of an elastic material arranged opposed to the scratching lug 13g of the upper scratching belt 13h, and a rear lower portion It is comprised by the star wheel 32 located below the pulley 13a.

前記構成によると、分草杆１１から案内された植立穀稈は、下部掻込ベルト１３ｄの掻込ラグ１３ｃと下部ガイド杆１３ｉ、及び、上部掻込ベルト１３ｈの掻込ラグ１３ｇと上部ガイド杆１３ｊにより、根元側及び穂先側の双方が弾圧的に挟持されながら後方に掻込搬送され、穀稈の取り込みが確実化し、短い穀稈の掻込搬送性能を向上させることができる。   According to the above configuration, the planted cereals guided from the weed culm 11 include the rake lug 13c and the lower guide ridge 13i of the lower rake belt 13d, and the rake lug 13g and the upper guide of the upper rake belt 13h. By the scissors 13j, both the root side and the tip side are clamped and conveyed backward while being elastically clamped, and it is possible to ensure the uptake of cereals and improve the performance of short stalks.

また、前記掻込搬送フレーム１３ｍ，…には後側プーリ軸３１，…を上下方向に軸架し、この後側プーリ軸３１，…の下部に後側下部プーリ１３ａを、上部に後側上部プーリ１３ｅをそれぞれカラーを介して軸架している。後側下部プーリ１３ａの下方には略同径の円形プレート３３、スターホイル３２を配置し、ボルト・ナットで後側下部プーリ１３ｅに一体的に固着している。   In addition, a rear pulley shaft 31,... Is vertically mounted on the scraping conveyance frame 13m,..., A rear lower pulley 13a is provided below the rear pulley shaft 31,. Each pulley 13e is pivoted through a collar. A circular plate 33 and a star wheel 32 having substantially the same diameter are disposed below the rear lower pulley 13a, and are integrally fixed to the rear lower pulley 13e with bolts and nuts.

前記構成によると、コンパクトに構成できて、後側下部プーリ１３ｅへの草類の巻き付きを防止することができる。
また、後側プーリ軸３１，…には、同径の後側下部プーリ１３ａ及び上部プーリ１３ｅと取り付け、下部掻込ベルト１３ｄよりも上部掻込ベルト１３ｈを前方へ突出するように長く構成している。 According to the said structure, it can comprise compactly and can prevent the winding of the grass around the back side lower pulley 13e.
Further, the rear pulley shafts 31,... Are attached to the rear lower pulley 13a and the upper pulley 13e having the same diameter, and the upper scraping belt 13h is configured to protrude forward from the lower scraping belt 13d. Yes.

前記構成によると、下部掻込ベルト１３ｄ及び上部掻込ベルト１３ｈの掻込搬送速度を同じして、上部掻込搬送ベルト１３ｈにより根元側よりも穂先側を先行して掻き込むので、穂先側の掻込搬送遅れを防止し短穀稈の掻込搬送性能を高めることができる。また、後側下部プーリ１３ａと上部プーリ１３ｅの部品を共用化することができ、コストの低減を図ることができる。   According to the above-described configuration, the scraping speed of the lower scraping belt 13d and the upper scraping belt 13h is the same, and the tip side is scraped ahead of the root side by the upper scraping belt 13h. It is possible to prevent a delay in the feeding and to improve the feeding and carrying performance of the short cereal rice cake. Moreover, the parts of the rear lower pulley 13a and the upper pulley 13e can be shared, and the cost can be reduced.

また、後側プーリ軸３１，…には、同径の後側下部プーリ１３ａ及び上部プーリ１３ｅと取り付け、下部掻込ベルト１３ｄよりも上部掻込ベルト１３ｈを前方へ突出するように長く構成し、下部掻込ベルト１３ｄの先端を平面視で外側寄りに、上部プーリ１３ｅの先端を内側寄りに位置させて、下部掻込ベルト１３ｄの搬送方向を上部掻込ベルト１３ｈの搬送方向よりも所定角度外側に退避させ、前側下部プーリ１３ｂの直径を前側上部プーリ１３ｆの直径よりも小さくし、分草杆１１の案内方向に上部掻込ベルト１３ｈの掻込搬送方向を略沿わせるように構成し、スターホイル３２の掻込突起３２ａを後側下部プーリ１３ａの外周よりも突出させて長くし、下部掻込ベルト１３ｄ及び上部掻込ベルト１３ｈの前後方向中途部まで延出するように構成している。   Further, the rear pulley shafts 31,... Are attached to the rear lower pulley 13a and the upper pulley 13e with the same diameter, and are configured to be longer than the lower scraping belt 13d so that the upper scraping belt 13h protrudes forward, The front end of the lower scavenging belt 13d is located outward in plan view, and the front end of the upper pulley 13e is located inward, and the transport direction of the lower scoop belt 13d is a predetermined angle outside the transport direction of the upper scoop belt 13h. The diameter of the front lower pulley 13b is made smaller than the diameter of the front upper pulley 13f, and is configured so that the direction of feeding the upper scooping belt 13h substantially follows the guiding direction of the weed culvert 11 The scraping protrusion 32a of the foil 32 protrudes longer than the outer periphery of the rear lower pulley 13a and extends to the middle part in the front-rear direction of the lower scraping belt 13d and the upper scraping belt 13h. It is configured to.

前記構成によると、分草体１１から案内された穀稈の穂先側を内側寄りの上部掻込ベルト１３ｈに円滑に引き継ぐことができ、穀稈の根元側を外側寄りの下部掻込ベルト１３ｄに円滑に引き継ぐことができる。また、下部掻込ベルト１３ｄ及び上部掻込ベルト１３ｈの掻込搬送速度よりも速いスターホイル３２により穀稈の取り込みが良くなり、短穀稈の掻込搬送性能を向上させることができる。また、前側下部プーリ１３ｂの直径を前側上部プーリ１３ｆの直径よりも小さく構成しているので、下部掻込ベルト１３ｄの非作用側への張り出しを少なくし、コンパクトに構成することができる。   According to the said structure, the tip side of the corn straw guided from the weeding body 11 can be smoothly handed over to the inner side upper scraping belt 13h, and the root side of the grain ridge is smoothed to the lower trailing belt 13d closer to the outer side. Can take over. In addition, the star wheel 32 that is faster than the scraping and transporting speed of the lower scrambling belt 13d and the upper scoring belt 13h improves the uptake of cereals and improves the transporting performance of the short stalks. In addition, since the diameter of the front lower pulley 13b is smaller than the diameter of the front upper pulley 13f, it is possible to reduce the protrusion of the lower scraping belt 13d to the non-operating side and to achieve a compact configuration.

また、後側下部プーリ１３ａと前側下部プーリ１３ｂに巻き掛けている下部掻込ベルト１３ｄの掻込ラグ１３ｃ，…の突出長さを、後側上部プーリ１３ｅと前側上部プーリ１３ｆに巻き掛けている上部掻込ベルト１３ｈの掻込ラグ１３ｇ，…の突出長さよりも短く構成し、また、前側上部プーリ１３ｆの軸心と前側下部プーリ１３ｂの軸心を、左右方向に接近させ、前後方向に離間し前側上部プーリ１３ｆを前方に配設している。   Further, the protruding length of the scraping lugs 13c of the lower scraping belt 13d wound around the rear lower pulley 13a and the front lower pulley 13b is wound around the rear upper pulley 13e and the front upper pulley 13f. It is configured to be shorter than the protruding length of the scraping lugs 13g of the upper scraping belt 13h, and the shaft center of the front upper pulley 13f and the shaft center of the front lower pulley 13b are moved closer to each other in the left-right direction and separated in the front-rear direction. The front upper pulley 13f is disposed forward.

前記構成によると、穀稈の穂先側よりも根元側がスターホイル３２の中心側に接近するので、スターホイル３２の根元側の取り込みが良くなり、短穀稈の掻込搬送性能を向上させることができる。また、下部掻込ベルト１３ｄの非作用側への張り出しを少なくすることができて、フレーム部への干渉を回避することができる。   According to the said structure, since the root side approaches the center side of the star wheel 32 rather than the tip side of a grain straw, the taking-in of the root side of the star wheel 32 becomes good, and the picking and conveying performance of the short grain straw can be improved. it can. In addition, the protrusion of the lower scraping belt 13d to the non-operating side can be reduced, and interference with the frame portion can be avoided.

また、上部掻込ベルト１３ｈの掻込ラグ１３ｇに対向して弾性材の上部ガイド杆１３ｊを配設するにあたり、分草体１１に上部ガイド杆１３ｊの前側端部を取り付け、その中途部を上部掻込ベルト１３ｈのやや上方位置を沿うようにしながら後方に延出している。また、下部掻込ベルト１３ｄの掻込ラグ１３ｃに弾性材からなる下部ガイド杆１３ｉを対向配置するにあたり、分草体１１に下部ガイド杆１３ｉの前側端部を取り付け、中途部を下り傾斜で後方に延出して下部掻込ベルト１３ｄの掻込搬送始端部の上方部位近傍に接近させ、次いで、後側部を下部掻込ベルト１３ｄのやや上方に沿わせながら後方へ延出し、後側端部をスターホイル３２の掻込突起３２ａの上方に臨ませている。   Further, when the elastic upper guide rod 13j is disposed facing the scraping lug 13g of the upper scratching belt 13h, the front end portion of the upper guide rod 13j is attached to the weed body 11 and the middle portion thereof is attached to the upper scraper 13j. It extends rearward along the slightly upper position of the insertion belt 13h. Further, when the lower guide rod 13i made of an elastic material is opposed to the scraping lug 13c of the lower scraping belt 13d, the front end portion of the lower guide rod 13i is attached to the weed body 11 and the midway portion is inclined downward and rearward. Extend and approach the vicinity of the upper part of the start-up end of the lower take-up belt 13d, and then extend rearward while keeping the rear side slightly above the lower take-up belt 13d. The star foil 32 is placed above the scratching protrusion 32a.

前記構成によると、上部ガイド杆１３ｊ及び下部ガイド杆１３ｉにより穀稈全体を上部掻込ベルト１３ｈ及び下部掻込ベルト１３ｄに押圧しながら誘導案内することができる。また、下部ガイド杆１３ｉにより下部掻込ベルト１３ｄ及びスターホイル３２に穀稈の根元側を誘導案内することができ、穀稈の掻込搬送性能を高めることができる。   According to the above-described configuration, the entire grain candy can be guided and guided by the upper guide ridge 13j and the lower guide ridge 13i while being pressed against the upper rake belt 13h and the lower rake belt 13d. In addition, the lower guide rod 13i can guide and guide the root side of the cereal to the lower scraping belt 13d and the star wheel 32, and the cedar scraping and conveying performance can be improved.

次に、図７に基づき標準穀稈用と短穀稈用に変換する穀稈掻込搬送装置１３の他の実施形態ついて説明する。
この短穀稈用の穀稈掻込搬送装置１３は、図７（Ａ）、（ｃ）に示すように、掻込搬送フレーム１３ｍに軸架している後側上部プーリ１３ｅ、前側上部プーリ１３ｆと、後側上部プーリ１３ｅと前側上部プーリ１３ｆに巻き掛けられていて且つ掻込ラグ１３ｇ，…を所定間隔毎に有する上部掻込ベルト１３ｈと、スターホイル３２、上部掻込ベルト１３ｈの掻込ラグ１３ｇに対向配置されている弾性材からなる上部ガイド杆１３ｊで構成されている。 Next, another embodiment of the culm scraping and conveying device 13 for converting to a standard culm and a short culm based on FIG. 7 will be described.
As shown in FIGS. 7 (A) and 7 (c), the cereal scraping and conveying device 13 for short cereals includes a rear upper pulley 13e and a front upper pulley 13f that are pivoted on the stirring and conveying frame 13m. And an upper scraping belt 13h that is wound around the rear upper pulley 13e and the front upper pulley 13f and has a scraping lug 13g,... At predetermined intervals, and the star wheel 32 and the upper scraping belt 13h. The upper guide rod 13j is made of an elastic material and is opposed to the lug 13g.

また、掻込搬送フレーム１３ｍには後側プーリ軸３１の上下方向中間部を回転自在に支架し、後側プーリ軸３１の上下方向中間部にカラー３６を介して駆動用スプロケット３８を一体回転するように取り付け、後側プーリ軸３１の上部にはカラー３６ａを介して後側上部プーリ１３ｅを一体回転するように取り付け、軸３１の下端部にはカラー３６ｂを介してスターホイル３２を一体回転するように取り付けている。また、駆動用スプロケット３８とスターホイル３２との間には、巻付防止用のカラー３９を設け、駆動用スプロケット３８と後側上部プーリ１３ｅとの間に巻付防止用のカラー３９ａを配設している。   Further, a vertical intermediate portion of the rear pulley shaft 31 is rotatably supported on the scraping conveyance frame 13m, and a driving sprocket 38 is integrally rotated via a collar 36 on the vertical intermediate portion of the rear pulley shaft 31. The rear upper pulley 13e is attached to the upper portion of the rear pulley shaft 31 via a collar 36a so as to rotate integrally, and the star wheel 32 is integrally rotated to the lower end portion of the shaft 31 via a collar 36b. It is attached as follows. Further, a winding preventing collar 39 is provided between the driving sprocket 38 and the star wheel 32, and a winding preventing collar 39a is provided between the driving sprocket 38 and the rear upper pulley 13e. doing.

そして、短穀稈用の穀稈掻込搬送装置１３を標準穀稈用に変更する場合には、図７（Ｂ）に示すように、調節カラー４１及び調節用の巻付防止カラー４２、ボルト調節用のカラー４３を介装し、後側上部プーリ１３ｅ、上部掻込ベルト１３ｈを上方に調節してボルトで取り付けるように構成している。   And when changing the cereal scraping conveying device 13 for short cereals to that for standard cereals, as shown in FIG. 7 (B), an adjustment collar 41, an anti-winding collar 42 for adjustment, a bolt An adjustment collar 43 is interposed, and the rear upper pulley 13e and the upper scraping belt 13h are adjusted upward and attached with bolts.

前記構成によると、短穀稈用に変更する場合には、標準型から調節カラー４１、調節用の巻付防止カラー４２及びボルト調節用のカラー４３を取り外し、後側上部プーリ１３ｅ及び上部掻込ベルト１３ｈを下方に調節することにより、容易に対応でき、短穀稈の刈取開始部での掻込搬送性能を高めることができる。   According to the above-described configuration, when changing to a short grain candy, the adjustment collar 41, the adjustment wrapping prevention collar 42, and the bolt adjustment collar 43 are removed from the standard type, and the rear upper pulley 13e and the upper rake are removed. By adjusting the belt 13h downward, it is possible to easily cope with it, and it is possible to improve the scraping and conveying performance at the cutting start portion of the short grain culm.

また、図８に示すように、短穀稈の刈取作業時には、カラー３６ｂの下端部にスペーサ３７を介装してスターホイル３２を取り付けると、短穀稈の掻込搬送性能を更に高めることができる。   In addition, as shown in FIG. 8, when the star wheel 32 is attached to the lower end portion of the collar 36 b during the harvesting operation of the short cereal cocoon, it is possible to further enhance the short-powder cocoon transfer performance. it can.

次に、穀稈集送搬送装置１５，…について説明する。
穀稈集送搬送装置１５，…は、図２に示すように、左右集送搬送装置１５ｂ，１５ｃ、中央集送搬送装置１５ｄ，１５ｅにより構成し、これらはそれぞれ根元搬送部及び穂先搬送部を備えている。左右集送搬送装置１５ｂ，１５ｃと左右両側端の前記穀稈掻込搬送装置１３，…との間に、根元側搬送用の中継集送搬送装置１５ｆ，１５ｇを設けている。 Next, the cereal collecting / conveying device 15, ... will be described.
As shown in FIG. 2, the cereal collecting and conveying device 15 is composed of left and right collecting and conveying devices 15b and 15c and central collecting and conveying devices 15d and 15e, which respectively have a root conveying unit and a tip conveying unit. I have. Between the left and right collecting and conveying devices 15b and 15c and the left and right side ends of the culm scraping and conveying devices 13,..., Relay collecting and conveying devices 15f and 15g for root side conveyance are provided.

そして、集送搬送フレーム１５ａ，…から伝動用の動力を取り出して、前記集送搬送装置１５ｂ，１５ｃ，１５ｄ，１５ｅに伝達し、更に、集送搬送装置１５ｂ，１５ｃから中継集送搬送装置１５ｆ，１５ｇ、前記駆動用スプロケット３８，３８を経由して穀稈掻込搬送装置１３，…に動力を伝達している。また、一部の穀稈掻込搬送装置１３，…には刈刃フレーム１４ａから取り出した伝動装置４６を介して動力を伝達している。   Then, power for transmission is taken out from the collecting / conveying frames 15a,... And transmitted to the collecting / conveying devices 15b, 15c, 15d, 15e, and further from the collecting / conveying devices 15b, 15c to the relay collecting / conveying device 15f. , 15 g, and the power is transmitted to the cereal scraping and conveying device 13,... Via the drive sprockets 38, 38. Further, power is transmitted to some of the cereal scraping and conveying devices 13,... Via a transmission device 46 taken out from the cutting blade frame 14a.

コンバインの全体側面図Combine side view 一部省略した刈取搬送部の平面図A plan view of the cutting and conveying section, partly omitted 刈取搬送部の一部省略した平面図Plan view with some parts omitted 刈取搬送部の一部省略した側面図Side view with some parts omitted 刈取搬送部の一部の平面図Plan view of a part of the cutting and conveying section 刈取搬送部の一部の側面図Side view of a part of the cutting and conveying section 穀稈掻込搬送装置の平面図、側面図Plan view and side view of cereal scraping and conveying device 穀稈掻込搬送装置の側面図Side view of cereal scraping and conveying device

６ 刈取搬送部
１１ 分草体
１２ 穀稈引起し装置
１３ 穀稈掻込搬送装置
１３ａ 後側下部プーリ
１３ｂ 前側下部プーリ
１３ｃ 掻込ラグ
１３ｄ 下部掻込ベルト
１３ｅ 後側上部プーリ
１３ｆ 前側上部プーリ
１３ｇ 掻込ラグ
１３ｈ 上部掻込ベルト
１３ｉ 下部ガイド杆
１３ｊ 上部ガイド杆
１３ｍ 掻込搬送フレーム
１５ｂ 左右集草搬送装置
１５ｃ 左右集草搬送装置
１５ｆ 中継集草搬送装置
１５ｇ 中継集草搬送装置
１４ 刈刃装置
３２ スターホイル
３２ａ 掻込突起
３８ 駆動用スプロケット 6 Cutting and transporting part 11 Weeding body 12 Grain raising apparatus 13 Grain picking and conveying apparatus 13a Rear lower pulley 13b Front lower pulley 13c Brake lug 13d Lower raising belt 13e Rear upper pulley 13f Front upper pulley 13g Lug 13h Upper scraping belt 13i Lower guide rod 13j Upper guide rod 13m Scratch conveyance frame 15b Left and right grass collection conveyance device 15c Left and right grass collection conveyance device 15f Relay grass collection conveyance device 15g Relay grass collection conveyance device 14 Cutting blade device 32 Starfoil 32a Scratching projection 38 Drive sprocket

Claims (4)

穀稈を分草する分草体（１１）と、該分草体（１１）で分草された穀稈を引き起こす穀稈引起し装置（１２）と、該穀稈引起し装置（１２）で引き起こされた穀稈を掻込搬送する穀稈掻込搬送装置（１３）と、該穀稈掻込搬送装置（１３）で掻き込まれた穀稈を切断する刈刃装置（１４）を設け、前記穀稈掻込搬送装置（１３）を、後側下部プーリ（１３ａ）と前側下部プーリ（１３ｂ）に巻き掛けられていて掻込ラグ（１３ｃ，…）を備えた下部掻込ベルト（１３ｄ）と、後側上部プーリ（１３ｅ）と前側上部プーリ（１３ｆ）に巻き掛けられていて掻込ラグ（１３ｇ，…）を備えた上部掻込ベルト（１３ｈ）と、前記下部掻込ベルト（１３ｄ）に対向配置されている弾性材からなる下部ガイド杆（１３ｉ）と、前記上部掻込ベルト（１３ｈ）に対向配置されている弾性材からなる上部ガイド杆（１３ｊ）と、前記後側下部プーリ（１３ａ）の下方に設けたスターホイル（３２）とで構成し、該穀稈掻込搬送装置（１３）を支持する掻込搬送フレーム（１３ｍ）によって穀稈掻込搬送装置（１３）における前記上部掻込ベルト（１３ｈ）と下部掻込ベルト（１３ｄ）の間の部位を支持し、該穀稈掻込搬送装置（１３）における掻込搬送フレーム（１３ｍ）で支持した部位と上部掻込ベルト（１３ｈ）の間には、穀稈掻込搬送装置（１３）により掻込まれた穀稈を搬送する中継集草搬送装置（１５ｆ，１５ｇ）からの動力を穀稈掻込搬送装置（１３）へ伝達する駆動用スプロケット（３８，３８）を備えたコンバインの刈取装置。 A sprouting body (11) for weeding the cereal, a cereal-triggering device (12) for causing cereals that have been weeded by the weeding body (11), and a sprouting device (12) A cereal scraping and transporting device (13) for scraping and transporting the cereal cocoon, and a cutting blade device (14) for cutting the cereal scraped by the cereal scraping and transporting device (13), A lower take-up belt (13d) having a take-up lug (13c,...) Wound around a rear lower pulley (13a) and a front lower pulley (13b) The upper and lower pulley belts (13h, 13g) are wound around the rear upper pulley (13e) and the front upper pulley (13f), and are opposed to the lower scraping belt (13d). A lower guide rod (13i) made of an elastic material, and the upper scraping belt (13 ) And an upper guide rod (13j) made of an elastic material, and a star wheel (32) provided below the rear lower pulley (13a). 13) A portion between the upper and lower rake belts (13h) and (13d) in the culm scraping and conveying device (13) is supported by a rake conveying frame (13m) that supports 13), Between the part supported by the scraping and transporting frame (13m) in the scraping and transporting device (13) and the upper stirring belt (13h), the stalks that have been scraped by the stalk transporting device (13) are transported Combine harvester comprising drive sprockets (38, 38) for transmitting power from the relay grass collecting and conveying device (15f, 15g) to the cereal scraping and conveying device (13) . 前記下部掻込ベルト（１３ｄ）の下面に近接させて前記スターホイル（３２）を配置した請求項１記載のコンバインの刈取装置。   The combine reaping device according to claim 1, wherein the star wheel (32) is arranged close to a lower surface of the lower scooping belt (13d). 前記スターホイル（３２）を、前記下部掻込ベルト（１３ｄ）の後側下部プーリ（１３ａ）の下面に取り付けた請求項２記載のコンバインの刈取装置。   The combine harvester according to claim 2, wherein the star wheel (32) is attached to a lower surface of a rear lower pulley (13a) of the lower scraping belt (13d). 前記穀稈掻込搬送装置（１３）には、前記中継集草搬送装置（１５ｆ，１５ｇ）の後部に設けられた左右集草搬送装置（１５ｂ，１５ｃ）から、中継集草搬送装置（１５ｆ，１５ｇ）を介して駆動力が伝達される構成とした請求項１または請求項２記載のコンバインの刈取装置。   From the left and right grass collecting and conveying device (15b, 15c) provided at the rear part of the relay grass collecting and conveying device (15f, 15g) to the cereal scraping conveying device (13), the relay grass collecting and conveying device (15f, The combine mowing apparatus according to claim 1 or 2, wherein the driving force is transmitted via 15g).
JP2007323459A 2007-12-14 2007-12-14 Combine harvester Expired - Fee Related JP5125474B2 (en)

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JP5654243B2 (en) * 2010-01-27 2015-01-14 ヤンマー株式会社 Combine harvester
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