JP6715890B2 - All culm type combine - Google Patents

All culm type combine Download PDF

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Publication number
JP6715890B2
JP6715890B2 JP2018140367A JP2018140367A JP6715890B2 JP 6715890 B2 JP6715890 B2 JP 6715890B2 JP 2018140367 A JP2018140367 A JP 2018140367A JP 2018140367 A JP2018140367 A JP 2018140367A JP 6715890 B2 JP6715890 B2 JP 6715890B2
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handling
threshing
culm
handle
teeth
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JP2018161155A (en
JP2018161155A5 (en
Inventor
義剛 福岡
義剛 福岡
裕一 文野
文野  裕一
田中 祐二
祐二 田中
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Kubota Corp
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Kubota Corp
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Description

本発明は、全稈投入型コンバインに関する。 The present invention relates to an all culm throw type combine harvester.

全稈投入型コンバインとしては、扱室に、外周部に螺旋状の扱歯を有するように構成さ
れた扱胴を装備することが一般的である(例えば特許文献1参照)。
As an all-cullet throw-in type combine, it is common to equip the handling chamber with a handling cylinder configured to have spiral handling teeth on the outer peripheral portion (see, for example, Patent Document 1).

特開平11−266666号公報JP, 11-266666, A

つまり、全稈投入型のコンバインにおいては、自脱型コンバインのように脱穀装置にフ
ィードチェーンなどの刈取穀稈搬送用の搬送装置が装備されていないことから、上記のよ
うな扱胴を装備することで、扱胴の回転に伴って、脱穀処理物が脱穀処理されながら脱穀
処理方向下手側に向けてスクリュー搬送されるように構成しているのである。
In other words, in the all culm throw type combine, the threshing device is not equipped with a feed chain or other transport device for transporting the harvested culm unlike the self-removing combine, so that the above-mentioned handling cylinder is equipped. As a result, the threshing material is configured to be screw-conveyed toward the lower side in the threshing processing direction while the threshing processing is being performed along with the rotation of the handling cylinder.

しかしながら、上記のように扱胴の外周部に螺旋状の扱歯を装備すると、脱穀処理物に
対する扱歯の打壁や梳き込みなどによる脱穀作用が不十分になって、穀粒の単粒化を促進
させることが難しくなることから、脱穀性能や穀粒回収効率の向上を図る上において改善
の余地がある。
However, if a spiral-shaped handle tooth is provided on the outer peripheral portion of the handle cylinder as described above, the threshing action of the handle tooth against the threshing treated material due to hitting or combing becomes insufficient, and the grain becomes a single grain. Since it becomes difficult to promote the above, there is room for improvement in improving threshing performance and grain collection efficiency.

本発明の目的は、脱穀性能や穀粒回収効率の向上を図ることができる全稈投入型コンバ
インを提供することにある。
It is an object of the present invention to provide an all-culm input type combine capable of improving threshing performance and grain recovery efficiency.

上記の目的を達成するため、本発明では、以下の構成を備えた全稈投入型コンバインが
提案される。
車体フレームに、刈取搬送装置と脱穀装置とが搭載され、
前記刈取搬送装置に、刈取穀稈を前記脱穀装置に向けて搬送するフィーダが備えられ、
前記脱穀装置に、前記脱穀装置の上部に形成された扱室と、前記扱室の内部に設けられ、刈取穀稈の搬送方向である前後方向に沿って架設した支軸を支点にして回転駆動される扱胴とが備えられ、
前記扱胴に、前記扱胴の前部を構成する掻込部と、前記扱胴の後部を構成する扱き処理部とが備えられ、
前記扱き処理部は、前記扱胴の周方向に間隔を隔てて並ぶように支持された複数の扱胴フレームと、前記扱胴フレームから外方に向けて突出する複数の扱歯とを有し、
前記複数の扱胴フレームと前記複数の扱歯とは、脱穀処理物に作用する扱き処理部材として機能し、
前記扱室に前記扱胴の上部側を覆う天板が備えられ、
複数の送塵弁が、前記天板の内側に前記前後方向に間隔を隔てて並ぶように装備され、前記扱胴の回転に伴って前記扱室の上部に搬送された脱穀処理物を、搬送方向下手側に向けて案内するように構成され、
平面視において、前記複数の送塵弁は、前記天板における前記扱き処理部に対応する部位に、前記扱き処理部の回転に伴って脱穀処理物を搬送方向下手側に向けて案内する扱き処理部用送塵弁を備え、
平面視において、前記扱き処理部用送塵弁の両端部は、前記前後方向に直交する左右方向における最も外側に位置している時の前記扱胴フレームよりも外側に突出している全稈投入型コンバイン。
In order to achieve the above object, the present invention proposes an all culm throw type combine having the following configuration.
The body frame is equipped with a reaping and conveying device and a threshing device,
The harvesting and conveying device is provided with a feeder that conveys a harvested culm toward the threshing device,
The threshing device is rotationally driven with a handling chamber formed in the upper part of the threshing device, and a spindle provided inside the handling chamber and installed along the front-rear direction that is the conveyance direction of the harvested culm as a fulcrum. Is provided with
The handling cylinder is provided with a scraping section that constitutes a front part of the handling cylinder, and a handling processing section that configures a rear part of the handling cylinder,
The handling unit has a plurality of handling barrel frames supported so as to be lined up at intervals in the circumferential direction of the handling barrel, and a plurality of handling teeth protruding outward from the handling barrel frame. ,
The plurality of handling barrel frames and the plurality of handling teeth function as a handling processing member that acts on the threshing material,
The handling room is provided with a top plate that covers the upper side of the handling barrel,
A plurality of dust transfer valves are provided inside the top plate so as to be lined up at intervals in the front-rear direction, and convey the threshed material conveyed to the upper part of the handling chamber as the handling barrel rotates. It is configured to guide toward the lower side of the direction,
In a plan view, the plurality of dust-sending valves is a handling process that guides a threshing-treated product toward a lower side in the transport direction along with rotation of the handling process unit at a portion corresponding to the handling process unit on the top plate. Equipped with a dust control valve
When seen in a plan view, both ends of the dust handling valve for the handling processing unit project outside the handling barrel frame when located at the outermost side in the left-right direction orthogonal to the front-rear direction. Type combine.

本構成により、脱穀性能や穀粒回収効率の向上を図ることのできる全稈投入型コンバイ
ンを提供することができる。
With this configuration, it is possible to provide an all-culm input type combine that can improve threshing performance and grain collection efficiency.

以下、上記構成に備えると一層好適な実施形態を列挙する。 Hereinafter, more preferred embodiments having the above configuration will be listed.

・前記扱歯は、一直線状の棒状部材に構成され、
平面視において、前記扱き処理部用送塵弁は、前記左右方向における最も外側に位置し
ている時の扱胴フレームから突出する前記扱歯と重複している。
-The handling tooth is configured as a linear rod-shaped member,
In a plan view, the dust handling valve for the handling processing unit overlaps with the handling teeth protruding from the handling barrel frame when located at the outermost side in the left-right direction.

・前記扱き処理部用送塵弁の間隔は、前記扱胴フレームにおいて前記前後方向に隣接する
扱歯の間隔よりも大きく設定されている。
The interval between the dust handling valves for the handling processing unit is set to be larger than the spacing between the handling teeth that are adjacent to each other in the front-rear direction in the handling barrel frame.

・前記掻込部は、円錐台状の基部と、前記基部の外周に設けられ、前記扱室に供給搬送さ
れた刈取穀稈を、前記扱胴の前記支軸周りの回転に伴って後方に向けて掻き込み搬送する
螺旋歯とを有し、
平面視において、前記複数の送塵弁は、前記天板における前記掻込部に対応する部位に
、前記掻込部の回転に伴って刈取穀稈を搬送方向下手側に向けて案内する掻込部用送塵弁
を備え、
平面視において、前記掻込部用送塵弁は、外側に位置している前記螺旋歯と重複してい
る。
・平面視において、前記掻込部用送塵弁は、その搬送方向上手側部分を前記掻込部側に入
り込ませた状態で、前記天板における前記掻込部に対応する部位と、前記天板における前
記扱き処理部に対応する部位とにわたって配備されている。
The scraping portion is provided with a frusto-conical base portion and an outer periphery of the base portion, and the harvested culm supplied and conveyed to the handling chamber is moved backward with rotation of the handling barrel around the spindle. With spiral teeth that scrape and convey toward
When seen in a plan view, the plurality of dust-sending valves are provided in a portion of the top plate corresponding to the scraping portion for guiding the cut culm toward the lower side in the transport direction as the scraping portion rotates. Equipped with a dust control valve
In a plan view, the dust trapping valve for the scraping portion overlaps with the spiral tooth located outside.
When viewed in a plan view, the dust trapping valve for the sweeping portion has a portion corresponding to the sweeping portion on the top plate in a state where the portion on the upper side in the transport direction is allowed to enter the sweeping portion side, and the ceiling. It is provided over a portion of the plate corresponding to the handling unit.

・前記支軸は、前記掻込部の前部から前記扱き処理部の後部にわたる棒状部材で構成され、
前記支軸の前部に、前記掻込部の後部に連結され、かつ、前記扱胴フレームの前部を支持する第1支持プレートが備えられ、
前記支軸の後部に、前記扱胴フレームの後部を支持する第3支持プレートが備えられ、
前記扱胴フレームのそれぞれは、前記扱き処理部の前部から後部にわたる一本の棒状部材で構成され、
前記扱歯のそれぞれは単一の前記扱胴フレームだけに支持され、前記扱胴フレームは、前記扱歯を支持した状態で、前記第1支持プレートと前記第3支持プレートとから着脱可能に構成されている。
-The support shaft is composed of a rod-shaped member extending from the front part of the scraping part to the rear part of the handling part,
A first support plate connected to a rear portion of the scraping portion and supporting a front portion of the handling barrel frame is provided at a front portion of the support shaft,
A third support plate for supporting the rear part of the handling barrel frame is provided at the rear part of the support shaft,
Each of the handling body frames is composed of a single rod-shaped member extending from the front to the rear of the handling processing unit ,
Wherein each of扱歯supported only a single said threshing drum frame, wherein the thresher frame, while supporting the扱歯, detachably from the first support plate and the front Symbol third supporting plate It is configured.

・前記支軸は、前記第1支持プレートと前記第3支持プレートを貫通した状態で、前記扱室の前壁と後壁とにわたって回転可能に架設され、
前記扱胴フレームは、前記第1支持プレートと前記第3支持プレートとの間に配備され
記扱胴フレームは、前記扱室の前記前壁と前記後壁とにわたって前記支軸が架設された状態で、着脱可能に構成されている。
・前記掻込部は、円錐台状の基部と、前記基部の外周に設けられ、前記扱室に供給搬送さ
れた刈取穀稈を、前記扱胴の前記支軸周りの回転に伴って後方に向けて掻き込み搬送する
螺旋歯とを有し、
前記複数の扱歯のうち最も搬送方向上手側に位置する扱歯は、前記基部の後端との間に
間隔を空けて設けられ、この間隔に対応する位置に、前記扱胴フレームと前記第1支持プ
レートとの間の連結部が備えられ、
前記複数の扱歯のうち最も搬送方向下手側に位置する扱歯は、前記扱胴フレームの後端
との間に間隔を空けて設けられ、この間隔に対応する位置に、前記扱胴フレームと前記第
3支持プレートとの間の連結部が備えられている。
· The support shaft is in a state of penetrating the first support plate and the front Symbol third supporting plate is rotatably spanned over the front and rear walls of the threshing chamber,
The handling barrel frame is provided between the first support plate and the third support plate ,
Before SL thresher frame in a state where the support shaft for said front wall and the rear wall of the threshing chamber is laid, and is configured to be detachable.
The scraping portion is provided with a frusto-conical base portion and an outer periphery of the base portion, and the harvested culm supplied and conveyed to the handling chamber is moved backward with rotation of the handling barrel around the spindle. With spiral teeth that scrape and convey toward
Among the plurality of handle teeth, a handle tooth located on the most upstream side in the transport direction is provided with a gap between the handle portion and the rear end of the base portion, and the handle barrel frame and the first handle tooth are provided at a position corresponding to this gap. 1. A connection part between the support plate and
Among the plurality of handle teeth, the handle tooth located on the lowermost side in the transport direction is provided with a space from the rear end of the handle body frame, and the handle body frame is provided at a position corresponding to this interval. A connection part between the third support plate and the third support plate is provided.

全稈投入型コンバインの全体側面図Overall side view of all culm throw type combine 全稈投入型コンバインの全体平面図Overall plan view of all culm input type combine 脱穀装置の縦断側面図Vertical side view of threshing equipment 脱穀装置の前端部の構成を示す一部縦断正面図Front view, partly in section, showing the configuration of the front end of the threshing device. 脱穀装置の前後中間部の構成を示す一部縦断正面図Partial longitudinal sectional front view showing the configuration of the front and rear intermediate portions of the threshing device 扱胴や搬送補助部材などの構成を示す要部の平面図A plan view of essential parts showing a configuration of a handling cylinder, a conveyance assisting member, and the like. 扱胴の構成を示す要部の横断平面図A cross-sectional plan view of the main part showing the structure of the handling cylinder 扱胴の構成を示す扱胴の縦断背面図Rear view of the handle barrel, showing the configuration of the handle barrel 扱胴の別構成を示す要部の横断平面図A cross-sectional plan view of essential parts showing another configuration of the handling cylinder 天板の構成を示す要部の縦断正面図A vertical sectional front view of the main part showing the configuration of the top plate. 送塵弁の長さや配置を示す要部の横断平面図Cross-sectional plan view of the main part showing the length and arrangement of the dust delivery valve 搬送補助部材の構成を示す要部の平面図The top view of the principal part which shows the structure of a conveyance auxiliary member. 搬送補助部材の構成を示す要部の縦断側面図A vertical cross-sectional side view of essential parts showing a configuration of a conveyance assisting member 受網の構成を示す要部の斜視図Perspective view of essential parts showing structure of receiving net チャフシーブの構成を示す要部の斜視図Perspective view of essential parts showing structure of chaff sheave

図1には、稲や麦などを収穫対象とする全稈投入型コンバインの全体側面が示されてお
り、このコンバインは、角パイプ鋼材などで形成した車体フレーム1に、エンジン2や図
外の変速装置などを搭載し、車体フレーム1の下部に、変速装置などを介して伝達される
エンジン2からの動力で駆動される左右一対のクローラ式走行装置3を装備し、車体フレ
ーム1の前部に、収穫対象の植立穀稈を刈り取って後方に向けて搬送する刈取搬送装置4
を昇降揺動可能に連結し、車体フレーム1の左半部に、刈取搬送装置4からの刈取穀稈に
対して脱穀処理を施すとともに、その脱穀処理で得られた処理物に対して選別処理を施す
脱穀装置5を搭載し、車体フレーム1の右半部に、脱穀装置5からの穀粒を貯留するとと
もに、その貯留した穀粒の袋詰めを可能にする袋詰装置6を搭載し、車体フレーム1にお
ける袋詰装置6の前方箇所に搭乗運転部7を形成して構成されている。
Fig. 1 shows the whole side view of a whole culm-type combine harvester for harvesting rice and wheat. This combine harvester has a vehicle body frame 1 made of square pipe steel material, an engine 2 and a non-illustrated one. A gearbox and the like are mounted, and a pair of left and right crawler type traveling devices 3 driven by power from the engine 2 transmitted through the gearbox and the like are mounted on a lower portion of the bodyframe 1, and a front portion of the bodyframe 1 is equipped. In addition, a cutting and conveying device 4 for cutting the planted culms to be harvested and conveying them backward
Is connected so as to be able to move up and down, and the left half of the vehicle body frame 1 is subjected to threshing treatment on the harvested culm from the harvesting and conveying device 4, and sorting treatment is performed on the processed products obtained by the threshing treatment. The threshing device 5 for carrying out the above is mounted, and in the right half part of the vehicle body frame 1, the grain from the threshing device 5 is stored, and the bagging device 6 that enables the bagging of the stored grain is mounted, A boarding operation unit 7 is formed at a location in front of the bagging device 6 in the vehicle body frame 1.

左右のクローラ式走行装置3は、搭乗運転部7に備えた操縦レバー8の左右方向への揺
動操作に基づいて、それらが等速駆動されることで直進状態を現出し、それらが差動する
ことで旋回状態を現出するように構成されている。
The left and right crawler-type traveling devices 3 are driven at a constant speed based on the swinging operation of the control lever 8 provided in the boarding operation unit 7 in the left-right direction, so that a straight traveling state appears, and they are differentially driven. By doing so, the turning state is revealed.

図1及び図2に示すように、刈取搬送装置4は、車体の走行に伴って、その前部左右両
端に装備したデバイダ9が植立穀稈を収穫対象の植立穀稈と収穫対象外の植立穀稈とに梳
き分け、その前部上方に配備した回転リール10が、左右のデバイダ9で梳き分けられた
収穫対象の植立穀稈を後方に向けて掻き込み、その底部に装備したバリカン形の切断機構
11が収穫対象の植立穀稈の株元側を切断し、切断機構11の後方に配備したオーガ12
が、切断機構11による切断後の植立穀稈(刈取穀稈)を左右方向の所定箇所に寄せ集め
るとともに、その所定箇所において後方に向けて送り出し、その所定箇所から脱穀装置5
の前上部にわたる搬送コンベヤからなるフィーダ13が、オーガ12からの刈取穀稈を脱
穀装置5に向けて搬送するように構成されている。又、操縦レバー8の前後方向への揺動
操作に基づいて、車体フレーム1とフィーダ13とにわたって架設した油圧式の昇降シリ
ンダ(図示せず)が伸縮作動することで、脱穀装置5とフィーダ13との連結点を支点に
して昇降揺動し、その昇降揺動で、植立穀稈に対する切断機構11の高さ位置を変更する
刈り高さ調節を行えるように構成されている。
As shown in FIG. 1 and FIG. 2, in the cutting and conveying device 4, the dividers 9 installed at the left and right ends of the front part of the harvesting and transporting device 4 set the planted culms to be harvested and the harvested culms to be harvested. The planting culm and the planted culm of the harvesting target are squeezed by the dividers 9 on the left and right, and the rotary reel 10 arranged above the front part of the stalk of the harvested plant rakes them backward and equips them at the bottom. The clipper-shaped cutting mechanism 11 cuts the plant base side of the planted grain culm to be harvested, and the auger 12 is provided behind the cutting mechanism 11.
However, the planted grain culms (cutted grain culms) after cutting by the cutting mechanism 11 are gathered together at a predetermined position in the left-right direction, and are sent rearward at the predetermined position, and the threshing device 5 is discharged from the predetermined position.
The feeder 13, which is a transport conveyor extending over the front upper part of the above, is configured to convey the cut culm from the auger 12 toward the threshing device 5. Further, based on the swinging operation of the control lever 8 in the front-rear direction, a hydraulic lifting cylinder (not shown) installed over the body frame 1 and the feeder 13 expands and contracts, so that the threshing device 5 and the feeder 13 are extended. It is configured to swing up and down about a connection point with and as a fulcrum, and by the up and down swing, cutting height adjustment for changing the height position of the cutting mechanism 11 with respect to the planted grain culm can be performed.

図3〜5に示すように、脱穀装置5は、その上部に形成した扱室14に、刈取穀稈の搬
送方向に沿って架設した前後向きの支軸15を支点にして回転する扱胴16を配備し、そ
の扱胴16の下方に、扱胴16の下部側を下方から覆う正面視U字状に形成された受網1
7を装備し、脱穀装置5の脱穀処理方向下手側端部となる受網17の後方に排稈口18を
形成し、受網17の下方に揺動選別機構19を設け、その揺動選別機構19の前下方に唐
箕20を配備し、揺動選別機構19の前部側下方に1番回収部21を形成し、揺動選別機
構19の後部側下方に2番回収部22を形成し、揺動選別機構19の後方に排出口23を
形成し、扱胴16の上部側を上方から覆う天板24を備えて構成されている。
As shown in FIGS. 3 to 5, a threshing device 5 includes a handling chamber 14 formed at an upper portion thereof, and a handling barrel 16 that rotates around a support shaft 15 extending in the front-rear direction and installed along the conveyance direction of the harvested culm as a fulcrum. And a receiving net 1 formed in a U shape in a front view, which covers the lower side of the handling barrel 16 from below, below the handling barrel 16.
7, a culm 18 is formed at the rear of the net 17, which is the lower end of the threshing device 5 in the threshing direction, and a swing sorting mechanism 19 is provided below the net 17 for swing sorting. The Karako 20 is arranged below the front of the mechanism 19, the No. 1 collecting part 21 is formed below the front side of the swing sorting mechanism 19, and the No. 2 collecting part 22 is formed below the rear side of the swing sorting mechanism 19. A discharge port 23 is formed at the rear of the swing selection mechanism 19, and a top plate 24 is provided to cover the upper side of the handling cylinder 16 from above.

扱室14は、扱胴16を覆う受網17や天板24などによって区画形成され、その前端
下方部位に供給口25が形成され、その供給口25にフィーダ13の後端部が接続され、
そのフィーダ13で搬送された刈取穀稈の全体が脱穀処理物として供給口25から投入供
給される。
The handling chamber 14 is defined by a receiving net 17 that covers the handling barrel 16, a top plate 24, and the like, a supply port 25 is formed in a lower portion of the front end thereof, and the rear end portion of the feeder 13 is connected to the supply port 25.
The whole cut grain culm conveyed by the feeder 13 is input and supplied from the supply port 25 as a threshing processed product.

扱胴16は、その支軸15が脱穀装置5の前壁26と後壁27とにわたって回転可能に
架設され、唐箕20などを介して伝達されるエンジン2からの動力で、支軸15を支点に
して正面視右回りに回転駆動されることで、扱室14に供給された刈取穀稈に対して脱穀
処理を施して、穀粒の単粒化を促しながら、その刈取穀稈を脱穀処理方向下手側となる後
方に向けて搬送する。
The handling cylinder 16 has its support shaft 15 rotatably installed over the front wall 26 and the rear wall 27 of the threshing device 5, and the support shaft 15 is fulcrumed by the power from the engine 2 transmitted via the Kara sono 20 and the like. By being driven to rotate clockwise in front view, the threshing culm supplied to the handling room 14 is subjected to threshing treatment, and the threshing culm is threshed while promoting the singulation of the grain. The sheet is conveyed backward, which is the lower side of the direction.

受網17は、格子状に形成されたコンケーブ受網であり、扱室14に供給された刈取穀
稈を受け止めて、刈取穀稈に対する扱胴16の脱穀処理を補助し、その脱穀処理で得られ
た単粒化穀粒や枝梗付き穀粒、あるいは、脱穀処理で発生した稈屑などを下方の揺動選別
機構19に向けて漏下させる一方で、脱粒穀稈などの揺動選別機構19への漏下を防止す
る。
The receiving net 17 is a concave receiving net formed in a lattice shape, receives the cutting grain culm supplied to the handling room 14, assists the threshing process of the handling barrel 16 with respect to the cutting grain culm, and obtains by the threshing process. The singulated grain, the grain with branch stem, or the culm generated in the threshing process is allowed to leak toward the lower swing sorting mechanism 19, while the swing sorting mechanism for the shed grain stem etc. Prevent leakage to 19.

揺動選別機構19は、カム式の駆動機構28によって前後方向に揺動駆動されるシーブ
ケース29の上部に、粗選別用のグレンパン30とチャフシーブ31とストローラック3
2とを、その順にシーブケース29の前側から配備し、シーブケース29の下部に、精選
別用のグレンパン33とグレンシーブ34とを、その順にシーブケース29の前側から配
備して構成されている。そして、単粒化穀粒や稈屑などが混在する状態で受網17から漏
下した選別処理物を、上部のグレンパン30やチャフシーブ31あるいはストローラック
32で受け止めて、篩い選別による粗選別処理を施し、かつ、単粒化穀粒や枝梗付き穀粒
などが混在する状態でチャフシーブ31から漏下した選別処理物を、下部のグレンパン3
3やグレンシーブ34で受け止めて、篩い選別による精選別処理を施して、選別処理物を
、1番物としての単粒化穀粒と、2番物としての枝梗付き穀粒や稈屑などの混在物と、3
番物としての稈屑などの塵埃とに選別する。
The swing selection mechanism 19 includes a Glen pan 30, a chaff sheave 31, and a straw rack 3 for rough selection on an upper portion of a sheave case 29 that is driven to swing in the front-rear direction by a cam type drive mechanism 28.
2 are arranged in that order from the front side of the sheave case 29, and a Glen pan 33 and a Glen sieve 34 for fine selection are arranged below the sheave case 29 in that order from the front side of the sheave case 29. Then, the sorted product leaked from the net 17 in the state where the singulated grain and the culm are mixed is received by the upper Glen pan 30, the chaff sheave 31, or the Straw rack 32, and the rough sorting process by the sieve selection is performed. The selected processed product that leaked from the chaff sheave 31 in a state in which the single-grained grains and the grains with branch stems coexisted are treated with the Glen Pan 3 at the bottom.
3 and Glen Sieve 34, and perform a fine sorting process by sieving and sorting, and the sorted product is a single grained grain as the first product and a grain with branch branches and shavings as the second product. Mixture and 3
Sort with dust such as shavings as a number.

唐箕20は、ベルト式の伝動機構35を介して伝達されるエンジン2からの動力で、そ
の支軸20Aを支点にして回転駆動されることで選別風を生起し、その選別風が、3つの
風路R1〜R3を通って、受網17から漏下した選別処理物や、揺動選別機構19で選別
される選別処理物などに向けて供給されることで、選別処理物に対して風力選別処理を施
して、選別処理物から比重の小さい稈屑などを吹き分けて、脱穀処理方向下手側の排出口
23に向けて搬送する。
The Karato 20 is driven by the power from the engine 2 transmitted through the belt-type transmission mechanism 35, and is rotationally driven around its supporting shaft 20A as a fulcrum to generate a sorting wind. By being supplied toward the sorted products leaked from the receiving net 17 and the sorted products sorted by the swing sorting mechanism 19 through the air passages R1 to R3, the wind force is applied to the sorted products. After the sorting process is performed, culms and the like having a small specific gravity are blown out from the sorted product, and the sorted products are conveyed toward the discharge port 23 on the lower side in the threshing process direction.

1番回収部21は、唐箕20からの選別風でワラ屑などの塵埃が除去された状態で、揺
動選別機構19のグレンシーブ34から漏下した単粒化穀粒を、1番物として回収し、回
収した1番物を、その底部に左右向きに配備した1番スクリュー36で、その右端に連通
接続した揚送スクリュー37(図2参照)に向けて搬送する。
The No. 1 recovery unit 21 recovers the singulated grain that has leaked from the Glen sieve 34 of the rocking sorting mechanism 19 as the No. 1 grain in a state where dust such as straw dust is removed by the sorting wind from the Karato 20. Then, the collected No. 1 product is conveyed by the No. 1 screw 36 disposed in the left and right direction at the bottom thereof toward the lifting screw 37 (see FIG. 2) connected to the right end of the No. 1 screw 36.

2番回収部22は、揺動選別機構19のグレンシーブ34から漏下せずにグレンシーブ
34の後端から流下した枝梗付き穀粒や稈屑などの混在物、及び、揺動選別機構19のス
トローラック32から漏下した枝梗付き穀粒や稈屑などの混在物を2番物として回収し、
回収した2番物を、その底部に左右向きに配備した2番スクリュー38で、その右端に連
通接続した2番還元機構39(図2参照)に向けて搬送する。
The No. 2 recovery unit 22 is a mixture of grains and culm with branch stems that flowed from the rear end of the Glen sieve 34 without leaking from the Glen sieve 34 of the swing sorting mechanism 19 and the swing sorting mechanism 19. Collecting the mixed substances such as grain with stalk and culm that leaked from the Strawac 32 as the second product,
The collected No. 2 object is conveyed toward the No. 2 reduction mechanism 39 (see FIG. 2) connected to the right end of the No. 2 screw 38 by the No. 2 screw 38 arranged in the left and right directions at the bottom thereof.

揚送スクリュー37は、1番スクリュー36で搬送された1番物を揚送して、袋詰装置
6の上部に備えた穀粒タンク40に供給する(図1及び図2参照)。2番還元機構39は
、2番スクリュー38で搬送された2番物に対して再び脱穀処理を施す再処理部(図示せ
ず)を備え、その再処理部による脱穀処理後の2番物を揚送して揺動選別機構19に還元
する(図2参照)。
The lifting screw 37 lifts the No. 1 product conveyed by the No. 1 screw 36 and supplies it to the grain tank 40 provided at the upper part of the bagging device 6 (see FIGS. 1 and 2 ). The No. 2 reduction mechanism 39 is provided with a reprocessing unit (not shown) for performing the threshing process again on the No. 2 product conveyed by the No. 2 screw 38, and the No. 2 product after the threshing process by the reprocessing unit is provided. It is pumped and returned to the swing selection mechanism 19 (see FIG. 2).

排出口23は、受網17から漏下せずに排稈口18から流下する脱粒穀稈や、篩い選別
処理や風力選別処理で揺動選別機構19の後方に選別搬送された稈屑などを車外に放出す
る。
The discharge port 23 contains shredded grain culm that does not leak from the receiving net 17 and flows down from the culm port 18, and debris that has been sorted and conveyed to the rear of the swing sorting mechanism 19 by a sieve sorting process or a wind sorting process. Release it outside the vehicle.

図3〜8に示すように、扱胴16は、その前端部に装備した円錐台状の掻込部41と、
その掻込部41の後端に連接した扱き処理部42とを備えて構成されている。掻込部41
の外周面には、扱胴16の回転作動時に、供給口25から供給された刈取穀稈を後方の扱
き処理部42に向けて掻き込み搬送する2枚の螺旋歯43が一体装備されている。
As shown in FIGS. 3 to 8, the handling cylinder 16 includes a frustoconical scraping portion 41 provided at a front end portion thereof.
A handling processing unit 42 connected to the rear end of the scraping unit 41 is provided. Scraping part 41
The outer peripheral surface of the is integrally provided with two spiral teeth 43 for scraping and conveying the cut culm supplied from the supply port 25 toward the rear processing unit 42 when the handling cylinder 16 is rotated. ..

扱き処理部42は、支軸15の前部に一体装備した第1支持プレート44、支軸15の
前後中間部に一体装備した第2支持プレート45、支軸15の後端部に一体装備した第3
支持プレート46、それらの支持プレート44〜46によって、支軸15に沿う前後向き
の姿勢で、扱胴16の周方向に一定間隔を隔てて並ぶように支持された丸パイプ鋼材など
からなる6本の扱胴フレーム(本体構成部材の一例)47、及び、各扱胴フレーム47に
、扱胴フレーム47から扱胴16の外方に向けて突出する姿勢で、前後方向に所定間隔を
隔てて並ぶように装備した複数の扱歯48、などによって籠状に構成されている。
The handling unit 42 is integrally provided at the front end of the support shaft 15, a first support plate 44 integrally provided at the front and rear intermediate portions of the support shaft 15, and a rear end of the support shaft 15. Third
Six support pipes 46 and six circular pipe steel members supported by the support plates 44 to 46 in a front-back posture along the support shaft 15 so as to be arranged at regular intervals in the circumferential direction of the handling cylinder 16. Of the handling barrel frame (an example of a main body constituent member) 47, and each handling barrel frame 47 are arranged at a predetermined interval in the front-rear direction in a posture of protruding from the handling barrel frame 47 toward the outside of the handling barrel 16. The plurality of handle teeth 48 thus equipped are configured in a cage shape.

つまり、扱胴16は、その外方に向けて突出する複数の扱歯48が、扱き処理部42の
周方向と前後方向とに所定間隔を隔てて並ぶように整列配備され、又、扱き処理部42の
内部空間Sが扱室14に連通して、その内部空間Sへの脱穀処理物の入り込みを許容する
ようになっており、その結果、その回転作動時には、その周囲の脱穀処理物と内部空間S
に入り込んだ脱穀処理物とを攪拌しながら、それらの脱穀処理物に対して、扱胴フレーム
47や扱歯48の打撃や梳き込みなどによる脱穀処理を施すことになる。
That is, the handling barrel 16 is arranged and arranged so that the plurality of handling teeth 48 protruding outwardly are arranged at predetermined intervals in the circumferential direction and the front-back direction of the handling processing unit 42, and the handling process is performed. The internal space S of the portion 42 communicates with the handling chamber 14 to allow the threshing processed material to enter the internal space S. As a result, when the rotation operation is performed, the threshing processed material around Internal space S
While stirring the threshing-treated products that have entered, the threshing-treated products are subjected to threshing treatment by hitting or combing the handling barrel frame 47 and the handling teeth 48.

又、扱き処理部42の内部空間Sが扱室14に連通することで、大量の刈取穀稈が脱穀
処理物として扱室14に供給された場合であっても、扱き処理部42の内部空間Sを脱穀
処理用の処理空間として有効利用することができ、これによって、処理空間での脱穀処理
物の滞留や処理空間の飽和を回避することができる。その結果、脱穀処理物の滞留や処理
空間の飽和に起因した、十分な脱穀処理が行われないまま脱穀処理物が受網17から漏下
する、あるいは、脱穀処理に要する負荷が増大して扱胴16に対する伝動系が損傷する、
などの不都合の発生を未然に回避することができる。
Further, the internal space S of the handling processing unit 42 communicates with the handling chamber 14, so that even if a large amount of harvested culms are supplied to the handling chamber 14 as threshing products, the internal space of the handling processing unit 42 is increased. S can be effectively used as a processing space for threshing processing, and by this, retention of the threshing processed material in the processing space and saturation of the processing space can be avoided. As a result, the threshing processed product leaks from the receiving net 17 without sufficient threshing processing due to the retention of the threshing processed product or the saturation of the processing space, or the load required for the threshing processing increases and is treated. The transmission system for the torso 16 is damaged,
It is possible to avoid occurrence of inconvenience such as.

そして、扱胴16の回転作動時には、複数の扱歯48だけでなく、扱胴16の扱き処理
部42を形成する6本の扱胴フレーム47までもが、脱穀処理物に作用する扱き処理部材
として機能することから、脱穀性能や脱穀効率の向上を図ることができる。
Then, when the handling barrel 16 is rotated, not only the plurality of handling teeth 48 but also the six handling barrel frames 47 forming the handling processing portion 42 of the handling barrel 16 act on the threshing processed material. It is possible to improve threshing performance and threshing efficiency.

しかも、扱胴16の前部側での脱穀処理によって、多くの穀粒が単粒化して受網17か
ら漏下することで、脱穀処理物量が減少する扱胴16の前後中間部においては、第2支持
プレート45が、扱胴16の内部空間Sでの脱穀処理物の脱穀処理方向下手側への流動を
阻止し、扱胴16の回転とともに脱穀処理物を扱胴16の周囲に導いて、脱穀処理物に対
する扱歯48などの打撃や梳き込みなどによる脱穀や、単粒化穀粒の受網17からの漏下
を促すようになることから、脱穀処理物に含まれる単粒化穀粒や未脱粒穀稈などが扱胴1
6の内部空間Sを素通りして、脱粒穀稈とともに脱穀処理方向下手側端部の排稈口18か
ら排出されることに起因した3番ロスの発生を阻止することができる。
Moreover, by the threshing process on the front side of the handling cylinder 16, many grains are singularized and leak from the net 17, so that the front and rear intermediate portions of the handling barrel 16 in which the amount of the threshing processed product decreases. The second support plate 45 blocks the flow of the threshing processed material in the inner space S of the handling cylinder 16 toward the lower side in the threshing processing direction, and guides the threshing processed material to the periphery of the handling cylinder 16 as the handling cylinder 16 rotates. Since the threshing caused by hitting or combing of the treating teeth 48 with respect to the threshed product and the leakage of the single-grained grain from the net 17 are promoted, the single-grained grain contained in the threshed product is obtained. Grain or ungrained culm 1
It is possible to prevent generation of No. 3 loss caused by being discharged through the internal space S of 6 through the threshing culm and the culm outlet 18 at the end on the lower side in the threshing process direction.

更に、扱胴16の回転作動時には、掻込部41の作用で掻き込み搬送される刈取穀稈と
ともに、螺旋歯43の回転に伴って供給口25から吸引された外気が、扱胴16の周囲や
扱き処理部42の内部空間Sにスムーズに流動するようになり、これによって、脱穀処理
によって発生した稈屑などの供給口25からフィーダ13への流出を防止することができ
るとともに、脱穀処理物の脱穀処理方向下手側への搬送をより速やかに行える。
Further, when the handling cylinder 16 is rotated, the cutting culm that is scraped and conveyed by the action of the scraping unit 41 and the outside air sucked from the supply port 25 along with the rotation of the spiral teeth 43 is generated around the handling cylinder 16. It smoothly flows into the internal space S of the slaughter processing unit 42, whereby it is possible to prevent outflow of the dust and the like generated from the threshing process from the supply port 25 to the feeder 13 and to perform the threshing process product. It can be transported to the lower side of the threshing treatment direction more quickly.

その上、供給口25から吸引される外気は、供給口25に接続されたフィーダ13の内
部を通るものであり、そのフィーダ13は、切断機構11やオーガ12などを装備した刈
取搬送装置4の刈取回収部に形成した回収穀稈搬出用の搬出口(図示せず)と供給口25
とを連通するものであることから、扱胴16の回転作動時には、螺旋歯43の回転による
吸引作用で、刈取回収部での刈取処理や回収処理で発生した稈屑などの塵埃も、外気とと
もに、刈取回収部の搬出口からフィーダ13の内部空間及び供給口25を介して、扱胴1
6の周囲や扱き処理部42の内部空間Sに流入することになる。その結果、刈取回収部で
の稈屑などの付着堆積や舞い上がりを抑制することができ、その付着堆積に起因した刈取
穀稈の搬送不良や、その舞い上がりに起因した作業環境及び視界性の低下などを抑制する
ことができる。
In addition, the outside air sucked from the supply port 25 passes through the inside of the feeder 13 connected to the supply port 25, and the feeder 13 of the cutting and conveying device 4 equipped with the cutting mechanism 11, the auger 12, and the like. A carry-out port (not shown) and a supply port 25 for carrying out the collected grain culms formed in the reaping and collecting section
When the handling cylinder 16 is rotated, the suction action by the rotation of the spiral teeth 43 causes dust such as shavings generated in the mowing and collecting process at the mowing and collecting unit and the outside air to be communicated with the outside air. From the carry-out port of the mowing and collecting section through the internal space of the feeder 13 and the supply port 25, the handling cylinder 1
6 and the internal space S of the handling processing unit 42. As a result, it is possible to suppress the deposition and rise of culm and debris in the cutting and collecting section, and the poor conveyance of the harvested grain culm due to the deposit and deposition, and the deterioration of the work environment and visibility due to the rise. Can be suppressed.

各支持プレート44〜46は、支軸15を中心とする円形で、その外周側における支軸
15からの等距離の位置に扱胴フレーム47がボルト連結されている。
Each of the support plates 44 to 46 has a circular shape centered on the support shaft 15, and the handling barrel frame 47 is bolted to the outer peripheral side thereof at positions equidistant from the support shaft 15.

つまり、各支持プレート44〜46の外周側に、その周方向に一定間隔を隔てて並ぶ状
態に6本の扱胴フレーム47を配備して、扱胴16の胴径を大きくするようにしているの
であり、これによって、扱胴16に対する刈取穀稈の巻き付きを防止することができる。
That is, on the outer peripheral side of each of the support plates 44 to 46, the six handling barrel frames 47 are arranged in a state of being arranged at regular intervals in the circumferential direction, and the barrel diameter of the handling barrel 16 is increased. Therefore, it is possible to prevent the cut grain culm from being wound around the handling barrel 16.

各扱胴フレーム47は、その前後方向を扱胴16の前後方向と一致させた通常姿勢と、
その前後方向を扱胴16の前後方向と逆にした反転姿勢とに向き変更可能に、かつ、隣り
合う扱胴フレーム47との前後向きが逆になるように、各支持プレート44〜46にボル
ト連結されている。
Each handling barrel frame 47 has a normal posture in which the front-rear direction is aligned with the front-back direction of the handling barrel 16,
The support plates 44 to 46 are bolted so that the front-rear direction can be changed to an inverted posture in which the front-rear direction of the handle cylinder 16 is reversed, and the front-rear direction of the adjacent handle cylinder frames 47 is reversed. It is connected.

各扱胴フレーム47には、扱歯48の取り付けを可能にする複数の取付孔47A,47
Bが、その前後方向に一定ピッチPで並ぶ状態に、かつ、扱胴フレーム47の前端から最
前の取付孔47Aの中心までの距離L1と、扱胴フレーム47の後端から最後の取付孔4
7Aの中心までの距離L2とを半ピッチ(=1/2P)だけ異ならせた状態で穿設されて
いる。
Each handling barrel frame 47 has a plurality of mounting holes 47A, 47 for mounting the handling teeth 48.
B are arranged in the front-rear direction at a constant pitch P, and the distance L1 from the front end of the handling barrel frame 47 to the center of the frontmost mounting hole 47A and the rear end of the handling barrel frame 47 to the last mounting hole 4 are set.
The holes are formed in a state in which the distance L2 to the center of 7A is different by a half pitch (=1/2P).

そして、各扱胴フレーム47は、隣り合うものとの前後向きが逆になる状態で各支持プ
レート44〜46に連結支持されており、これによって、6本の扱胴フレーム47として
同じ構成のものを採用しながら、それらの各扱胴フレーム47に装備される扱歯48を、
隣り合う扱胴フレーム47の扱歯48と前後方向に半ピッチ分だけ位置ずれさせた状態で
位置させることができ、結果、隣り合う扱歯48の間隔を小さくすることなく、脱穀処理
物に対する扱歯48の打撃間隔を小さくすることができる。
Each handling barrel frame 47 is connected to and supported by each of the support plates 44 to 46 in a state in which the front-back direction of the adjacent handling barrel frames is reversed, whereby the six handling barrel frames 47 have the same configuration. While adopting, the handle teeth 48 mounted on each of the handle barrel frames 47,
It can be positioned in a state of being displaced by a half pitch in the front-rear direction from the handle teeth 48 of the adjacent handle drum frames 47, and as a result, the handle for the threshing processed object can be processed without reducing the interval between the adjacent handle teeth 48. The striking interval of the teeth 48 can be reduced.

つまり、各扱胴フレーム47を同じ構成とすることによるコストの削減を図りながら、
又、隣り合う扱歯48の間隔を小さくするほど招き易くなる、扱歯48に対する脱穀処理
物中の穀稈の絡み付きに起因した脱穀処理物の詰まりを効果的に防止しながら、脱穀処理
物に対する扱歯48の打撃回数を多くすることによる脱穀性能の向上を図ることができる
In other words, while reducing the cost by making the handling barrel frames 47 have the same configuration,
Further, the smaller the spacing between the adjacent handling teeth 48, the easier it is to invite, while effectively preventing clogging of the threshing processed product due to the entanglement of the grain culms in the threshing processed product with respect to the handling tooth 48, and to the threshing processed product. Threshing performance can be improved by increasing the number of times the handling teeth 48 are hit.

又、各扱胴フレーム47を、通常姿勢と反転姿勢とに向き変更可能に装備したことで、
脱穀処理物量が多いことで比較的に摩耗し易い脱穀処理方向上手側に位置する扱歯48の
摩耗が長期の使用によって著しくなった場合には、各扱胴フレーム47の向きを変更する
ことで、各扱胴フレーム47に備えた複数の扱歯48を、比較的に摩耗し易い脱穀処理方
向上手側の扱歯48と摩耗し難い脱穀処理方向下手側の扱歯48とを交換した状態に、一
挙に位置変更することができ、これによって、摩耗の少ない脱穀処理方向下手側の扱歯4
8を、脱穀処理物量の多い脱穀処理方向上手側の扱歯48として有効利用することができ
る。
Further, by equipping each handling barrel frame 47 so that the orientation can be changed between the normal posture and the inverted posture,
If the wear of the handling teeth 48 located on the upper side in the threshing process direction is relatively easy to wear due to the large amount of threshing products, the orientation of each handling barrel frame 47 can be changed by long-term use. , The plurality of handling teeth 48 provided on each handling barrel frame 47 are replaced with the handling teeth 48 on the upper side in the threshing process direction, which is relatively easy to wear, and the handling tooth 48 on the lower side in the threshing process direction, which is less likely to wear. , The position can be changed all at once, so that the handling tooth 4 on the lower side in the threshing process direction with less wear can be obtained.
8 can be effectively used as the handling teeth 48 on the upper side in the threshing process direction in which the amount of the threshing process product is large.

複数の取付孔47A,47Bのうち、各扱胴フレーム47の前後両端部に位置する4つ
(前後2つずつ)の取付孔47Aは、中間部に位置する取付孔47Bよりも小径に形成さ
れている。
Among the plurality of mounting holes 47A and 47B, four (two front and rear) mounting holes 47A located at the front and rear end portions of each handling body frame 47 are formed to have a smaller diameter than the mounting hole 47B located in the middle portion. ing.

各扱歯48のうち、小径の取付孔47Aを利用して取り付けられる扱歯48Aは、取付
孔47Aに挿通される小径部48aを備えた段付きの丸棒鋼材で構成され、その中心が、
支軸15の中心と扱胴フレーム47の中心とを通る線上に位置するように、扱胴フレーム
47に着脱可能にナット止めされている。
Of the handle teeth 48, the handle teeth 48A attached by using the small-diameter mounting hole 47A is made of a stepped round bar steel material having a small-diameter portion 48a inserted into the mounting hole 47A, and its center is
A nut is detachably attached to the handling barrel frame 47 so as to be located on a line passing through the center of the support shaft 15 and the center of the handling barrel frame 47.

中間部の取付孔47Bを利用して取り付けられる扱歯48Bは、段無しの丸棒鋼材で構
成され、その中心が、支軸15の中心と扱胴フレーム47の中心とを通る線上に位置する
ように、扱胴フレーム47に着脱不能に溶接されている。
The handle tooth 48B attached using the attachment hole 47B in the middle portion is made of a stepless round bar steel material, and its center is located on a line passing through the center of the support shaft 15 and the center of the handle barrel frame 47. As described above, it is non-detachably welded to the barrel frame 47.

つまり、扱き処理部42の前後両端部に位置する各扱歯48Aが着脱可能であることか
ら、それらの扱歯48Aが、扱胴フレーム47の向き変更を含めた長期にわたる使用で著
しく摩耗した場合には、新しい扱歯48Aに簡単に交換することができる。
That is, since the handle teeth 48A located at the front and rear ends of the handle processing unit 42 are detachable, when the handle teeth 48A are significantly worn due to long-term use including changing the direction of the handle barrel frame 47. Can be easily replaced with a new handle tooth 48A.

又、脱粒穀稈量が多くなる脱穀処理方向下手側においては、図9に示すように、扱胴1
6の後端部に位置する扱歯48Aを間引いた状態で配備すれば、扱胴後端部での扱歯48
Aの間隔が大きくなって、扱胴後端部での扱歯48Aに対する引っ掛かりに起因した脱粒
穀稈の滞留を効果的に抑制することができ、結果、脱粒穀稈の排出口23からの放出を促
進させることができる。
On the lower side in the threshing process direction in which the amount of threshed culms is large, as shown in FIG.
When the handle teeth 48A located at the rear end of the handle 6 are thinned out, the handle teeth 48 at the rear end of the handle body 48
The interval of A becomes large, and the retention of the shattered culms due to being caught by the handling teeth 48A at the rear end of the shatter barrel can be effectively suppressed, and as a result, the discharge of the shattered culms from the discharge port 23. Can be promoted.

図3〜5、図10及び図11に示すように、天板24は、扱歯先端の回転軌跡Kに略沿
って湾曲する湾曲部24A、その湾曲部24Aの前後両端に位置する半円状の縦壁部24
B、及び、湾曲部24Aの左右に位置する一直線状の側縁部24C、などを備え、扱胴1
6の上部側を上方から覆う閉状態と、扱胴16の上部側を開放する開状態とに、左側の側
縁部24Cに備えた複数のヒンジ24Dを支点にした開閉揺動操作が可能となるように構
成されている。右側の側縁部24Cには、天板24を閉状態で固定する複数のボルト24
Eが備えられている。
As shown in FIGS. 3 to 5, FIG. 10 and FIG. 11, the top plate 24 has a curved portion 24A that curves substantially along the rotation trajectory K of the treatment tooth tip, and a semi-circular shape positioned at both front and rear ends of the curved portion 24A. Vertical wall 24
B, a straight side edge 24C positioned on the left and right of the curved portion 24A, and the like.
It is possible to perform an open/close swing operation using a plurality of hinges 24D provided on the left side edge portion 24C as a fulcrum between a closed state in which the upper side of 6 is covered from above and an open state in which the upper side of the handling cylinder 16 is opened. Is configured to be. A plurality of bolts 24 for fixing the top plate 24 in a closed state are provided on the right side edge portion 24C.
E is provided.

湾曲部24Aの内面には、扱胴16の回転作動に伴って、扱室14の上部に搬送された
脱穀処理物を脱穀処理方向下手側に向けて案内する複数の送塵弁49が、前後方向に所定
間隔を隔てて並ぶように固定装備されている。複数の送塵弁49のうち、最前の送塵弁(
搬送方向最上手側の送塵弁に相当)49Aは、前側の縦壁部24Bから左側の側縁部24
Cにわたる円弧状に形成され、他の送塵弁49Bは、左右の側縁部24Cにわたる円弧状
に形成されている。
On the inner surface of the curved portion 24A, a plurality of dust-sending valves 49 for guiding the threshing material conveyed to the upper part of the handling chamber 14 toward the lower side in the threshing processing direction along with the rotation operation of the handling cylinder 16, It is fixedly installed so as to be lined up with a predetermined interval in the direction. Of the plurality of dust transfer valves 49, the frontmost dust transfer valve (
49A is a side edge portion 24 on the left side from the vertical wall portion 24B on the front side.
The other dust delivery valve 49B is formed in an arc shape extending over C, and is formed in an arc shape extending over the left and right side edge portions 24C.

つまり、天板24に湾曲部24Aを備えたことで、扱胴16の回転に伴って複数の扱歯
48などで扱室14の上部に掻き上げ搬送された脱穀処理物を、天板24に激しく衝突さ
せることなく、天板24や送塵弁49に沿わせながら、脱穀処理方向下手側下方の受網1
7に向けて滑らかに案内することができ、又、各送塵弁49を、左側の側縁部24C又は
左右の側縁部24Cにわたる長尺の円弧状に形成したことで、扱胴16の回転に伴って扱
室14の上部に搬送された脱穀処理物に対する各送塵弁49Aの案内作用を効果的に向上
させることができ、これによって、各扱歯48を、脱穀処理物に対する搬送作用を備える
形状ではなく、脱穀処理物に対する打撃や梳き込みを好適に行える脱穀専用の形状に形成
しながらも、脱穀処理物を脱穀処理方向下手側に向けて良好に搬送案内することができ、
結果、脱穀処理物に対する脱穀性能及び搬送性能の向上を図ることができる。
That is, since the top plate 24 is provided with the curved portion 24A, the threshing-processed product that is scraped up and conveyed to the upper part of the handling chamber 14 by the plurality of handling teeth 48 and the like as the handling barrel 16 rotates is transferred to the top plate 24. The catching net 1 below the lower side in the threshing process direction along the top plate 24 and the dust-sending valve 49 without violent collision.
7 can be smoothly guided, and the dust-sending valves 49 are formed in a long arc shape extending over the left side edge portion 24C or the left and right side edge portions 24C. It is possible to effectively improve the guide action of each dust transfer valve 49A with respect to the threshing treatment product that has been conveyed to the upper portion of the handling chamber 14 due to the rotation, whereby each handling tooth 48 conveys the threshing treatment product. Not having a shape, while forming a shape for exclusive use of threshing that can suitably hit or combing threshing processed product, it is possible to favorably convey and guide the threshing processed product toward the lower side of the threshing processing direction,
As a result, it is possible to improve the threshing performance and the transportation performance for the threshed material.

左右の側縁部24Cには、湾曲部24Aの内面と受網17の内縁とに連なる案内面を有
するように形成された鋼板製の継目部材50が着脱可能にボルト連結されている。つまり
、受網17と天板24との継ぎ目に位置することにより脱穀処理物との接触が激しくなっ
て摩耗し易い継目部材50を着脱可能に構成したことで、その継目部材50を天板24に
一体形成した場合のように、継目部材50の摩耗によって天板24の全体を交換する、と
いった手間や経済的な不利を招くことなく、継目部材50の摩耗に対する処置を適切に行
える。
A seam member 50 made of a steel plate is detachably connected to the left and right side edge portions 24C so as to have a guide surface that is continuous with the inner surface of the curved portion 24A and the inner edge of the receiving net 17. That is, since the seam member 50, which is located at the seam between the receiving net 17 and the top plate 24, is in contact with the threshing material and is liable to wear, the seam member 50 is detachable, and the seam member 50 is attached to the top plate 24. As in the case where the seam member 50 is integrally formed with the seam member 50, it is possible to appropriately deal with the wear of the seam member 50 without incurring the trouble of replacing the entire top plate 24 due to the wear of the seam member 50 and the economical disadvantage.

ちなみに、各扱歯48の先端と各送塵弁49の下縁との間には、送塵弁49による脱穀
処理物の案内を良好にするために小さいクリアランスが設定されている。又、各扱歯48
の先端と受網17の内縁との間には、単粒化穀粒の受網17からの漏下を促進させるため
に、各扱歯48の先端と各送塵弁49の下縁との間に設定したクリアランスよりも大きい
クリアランスが設定されている。
By the way, a small clearance is set between the tip of each handle tooth 48 and the lower edge of each dust-sending valve 49 in order to guide the threshing processed material by the dust-sending valve 49 well. Also, each handling tooth 48
Between the tip of each tooth 48 and the inner edge of the net 17, in order to promote the leakage of the singulated grain from the net 17, a tip of each handling tooth 48 and a lower edge of each dust feed valve 49 are provided. A clearance larger than the clearance set between is set.

図3、図4、図6、図12及び図13に示すように、脱穀装置5の前壁26と受網17
との間には、供給口25から供給された刈取穀稈を受け止めて、扱胴16の掻込部41に
よる刈取穀稈の掻き込み搬送を補助する搬送補助部材51が配備されている。搬送補助部
材51は、扱胴16の下部側を下方から覆う正面視略U字状にボルト連結される2つのプ
レート51Aによって構成され、脱穀装置5の前壁26や脱穀装置5の上部に前後向きに
配備した左右一対の支持フレーム52に着脱可能にボルト連結されている。つまり、刈取
穀稈との接触が激しく摩耗し易い搬送補助部材51を着脱可能に構成したことで、その搬
送補助部材51を受網17又は左右の支持フレーム52に一体形成した場合のように、搬
送補助部材51の摩耗によって搬送補助部材51とともに受網17又は左右の支持フレー
ム52を交換する、といった手間や経済的な不利を招くことなく、搬送補助部材51の摩
耗に対する処置を適切に行える。
As shown in FIG. 3, FIG. 4, FIG. 6, FIG. 12 and FIG.
A conveyance assisting member 51 that receives the cut grain culm supplied from the supply port 25 and assists the scraping and conveying of the cut grain culm by the scraping section 41 of the handling drum 16 is provided between and. The conveyance assisting member 51 is configured by two plates 51A that are bolt-connected to each other in a U-shape in a front view and covers the lower side of the handling cylinder 16 from below. The pair of left and right support frames 52 arranged in the opposite direction is detachably bolted. In other words, by configuring the transport auxiliary member 51 to be detachable so that the transport auxiliary member 51 is likely to be worn and abraded severely, the transport auxiliary member 51 is integrally formed with the receiving net 17 or the left and right support frames 52. It is possible to appropriately deal with the abrasion of the conveyance assisting member 51 without causing troubles such as exchanging the receiving net 17 or the left and right support frames 52 together with the conveyance assisting member 51 due to the abrasion of the conveyance assisting member 51 and the economical disadvantage.

図3、図5、図6及び図14に示すように、受網17は、同一形状に形成された4つの
受網部材53によって構成され、左右の支持フレーム52に着脱可能にボルト連結されて
いる。各受網部材53は、基枠53Aに、帯状鋼板からなる複数の縦桟53Bを、扱胴1
6の周方向に一定間隔を隔てる状態で前後向きに整列配備し、円弧状に湾曲形成した帯状
鋼板からなる複数の第1横桟53Cを、扱胴16の支軸方向となる前後方向に所定間隔を
隔てる状態で左右向きに整列配備し、円弧状に湾曲形成したピアノ線材からなる複数の第
2横桟53Dを、隣接する第1横桟53Cの間において、前後方向に一定間隔を隔てる状
態で左右向きに整列配備して、その網目が、扱胴16の周方向に沿う方向の長さが前後方
向に沿う方向の長さよりも長くなる横長の矩形に形成されている。
As shown in FIGS. 3, 5, 6, and 14, the receiving net 17 is composed of four receiving net members 53 formed in the same shape, and is detachably bolted to the left and right support frames 52. There is. Each net member 53 has a plurality of vertical bars 53B made of strip-shaped steel plate on a base frame 53A.
A plurality of first horizontal rails 53C made of strip-shaped steel plates curved and formed in an arc shape are arranged in the front-back direction at regular intervals in the circumferential direction of 6 and are provided in the front-back direction that is the support shaft direction of the handling cylinder 16. A state in which a plurality of second horizontal rails 53D made of a piano wire that is curved and formed in an arc shape are arranged in the left-right direction in a spaced-apart state and are spaced at regular intervals in the front-rear direction between adjacent first horizontal rails 53C. Are arranged in the left-right direction, and the mesh thereof is formed in a horizontally long rectangle in which the length in the circumferential direction of the handling cylinder 16 is longer than the length in the front-rear direction.

つまり、受網17を、その網目が扱胴16の回転方向に長い横長の矩形となるように構
成したことで、刈取穀稈に対する脱穀処理で得られた単粒化穀粒などが受網17から漏下
し易くなり、もって、単粒化穀粒の受網17からの漏下が抑制されることに起因した脱ぷ
粒の発生を回避することができる。又、各受網部材53を同一形状に形成したことで、受
網17の生産性や組み付け性を向上させることができる。
That is, since the net 17 is configured to have a horizontally long rectangle whose mesh is long in the rotation direction of the handling cylinder 16, the single-grained grains and the like obtained by the threshing process on the cut grain culms are received by the net 17. Therefore, it is possible to avoid the occurrence of exfoliated grains resulting from the suppression of the leakage of the singulated grain from the receiving net 17. Further, by forming each net member 53 in the same shape, it is possible to improve the productivity and assembling property of the net 17.

図3及び図15に示すように、粗選別用のチャフシーブ31は単一の選別プレート54
で構成され、その選別方向下手側ほど上方に位置する後上がりの傾斜姿勢でシーブケース
29にボルト連結されている。
As shown in FIG. 3 and FIG. 15, the chaff sheave 31 for rough sorting is a single sorting plate 54.
And is connected to the sheave case 29 by a bolt in a rearwardly inclined posture, which is located on the lower side in the sorting direction.

選別プレート54の前部側(選別プレート54全体の1/3の領域)には、平面視矩形
状に形成された複数の漏下孔54Aが、前列の漏下孔54Aの間に後列の漏下孔54Aが
位置する千鳥状に整列形成されている。選別プレート54の後部側(選別プレート54全
体の2/3の領域)には、選別片54a,54bを有する平面視矩形状に形成された複数
の漏下孔54B,54Cが、前列の漏下孔54B,54Cの間に後列の漏下孔54B,5
4Cが位置する千鳥状に整列形成されている。
A plurality of leakage holes 54A formed in a rectangular shape in plan view are provided on the front side of the selection plate 54 (one-third region of the entire selection plate 54) between the leakage holes 54A in the front row and the leakage holes in the rear row. The lower holes 54A are arranged in a staggered arrangement. On the rear side of the selection plate 54 (2/3 area of the entire selection plate 54), a plurality of leakage holes 54B and 54C formed in a rectangular shape in plan view having the selection pieces 54a and 54b are provided. Leakage holes 54B, 5 in the rear row between the holes 54B, 54C
The 4Cs are arranged in a staggered pattern.

各選別片54a,54bのうち、選別プレート54の左右中央側に位置する選別片54
aは、その選別方向下手側ほど幅狭で上方に位置する鱗状に打ち出し形成されている。選
別プレート54の左右両端に位置する選別片54bは、左右中央側の選別片54aよりも
短尺の矩形状で、その選別方向下手側ほど上方に位置するように打ち出し形成されている
Of the sorting pieces 54a and 54b, the sorting piece 54 located on the left-right center side of the sorting plate 54
The a is formed in a scaly shape that is narrower toward the lower side in the sorting direction and is located above. The sorting pieces 54b located at the left and right ends of the sorting plate 54 are rectangular and shorter than the sorting pieces 54a on the left and right center sides, and are formed so as to be positioned higher toward the lower side in the sorting direction.

つまり、粗選別用のチャフシーブ31を単一の選別プレート54で構成することから、
例えば、チャフシーブ31を、帯鋼板からなる多数のチャフリップを前後方向に一定間隔
を隔てるように整列配備して構成する場合などに比較して、構成の簡素化やコストの削減
を図ることができる。
That is, since the rough selection chaf sheave 31 is configured by the single selection plate 54,
For example, as compared with a case where the chaff sheave 31 is configured by arranging a large number of chaf flips made of strip steel plates arranged in the front-rear direction at regular intervals, it is possible to simplify the configuration and reduce the cost. ..

そして、単粒化穀粒の含有率が高い選別処理物が供給されるチャフシーブ31の前部側
に選別片54a,54bを備えていない漏下孔54Aを形成したことで、チャフシーブ3
1の前部側から下方のグレンパン33やグレンシーブ34に漏下する単粒化穀粒が多くな
り、結果、単粒化穀粒の回収率を高めることができる。
Then, by forming the leakage hole 54A having no sorting pieces 54a and 54b on the front side of the chaff sheave 31 to which the sorting material having a high content rate of the singulated grain is supplied, the chaff sheave 3
The number of single-grained grains leaking from the front side of 1 to the lower Glen pan 33 and the Glen sieve 34 increases, and as a result, the recovery rate of the single-grained grains can be increased.

又、チャフシーブ31の後部側に、選別片54a,54bを備えた漏下孔54B,54
Cを千鳥状で前後左右に整列形成したことで、篩い選別処理においては、チャフシーブ3
1上の選別処理物が左右方向に片寄りなく均等に分配されることになり、よって、単粒化
穀粒の各漏下孔54B,54Cからの漏下を促進させることができる。しかも、チャフシ
ーブ31を後上がりの傾斜姿勢で装備したことで、チャフシーブ31を水平姿勢で装備す
る場合に比較して、篩い選別処理において、チャフシーブ31が選別処理物を選別処理方
向上手側の上方に向けて押し出す力が大きくなり、これによって、選別処理物の選別方向
下手側への搬送が抑制されるとともに、選別処理物の上下動が激しくなって、選別処理物
の比重差選別をより効果的に行えることから、比重の大きい穀粒の各漏下孔54B,54
Cからの漏下が促進され、単粒化穀粒が排出口23から車外に放出される3番ロスの発生
を効果的に抑制することができ、結果、穀粒回収効率の向上を図ることができる。
Further, on the rear side of the chaff sheave 31, the leak holes 54B, 54 provided with the sorting pieces 54a, 54b.
Since the Cs are formed in a staggered pattern in the front, rear, left, and right, the chaff sheave 3
The sorted products on No. 1 are evenly distributed in the left-right direction without unevenness, so that the leakage of the singulated grain from the leakage holes 54B and 54C can be promoted. Moreover, since the chaff sheave 31 is installed in the rearwardly inclined posture, the chaff sheave 31 puts the sorted products upward in the sorting process direction in the sieving sorting process as compared with the case where the chaff sheave 31 is mounted in the horizontal posture. The force to push toward the side is increased, which suppresses the conveyance of the sorted products to the lower side in the sorting direction, and the vertical movement of the sorted products becomes severe, which makes the sorting of the sorted products specific gravity difference more effective. Therefore, each of the leakage holes 54B, 54 of the grain having a large specific gravity
Leakage from C is promoted, and it is possible to effectively suppress the occurrence of No. 3 loss in which the singulated grain is discharged from the discharge port 23 to the outside of the vehicle, and as a result, the grain collection efficiency is improved. You can

更に、チャフシーブ31における左右両端の選別片54bを、左右中央側の選別片54
aよりも短尺に形成したことで、チャフシーブ31における選別処理物が堆積し易い左右
両端部の漏下孔54Cからの穀粒などの漏下を促進させることができ、結果、チャフシー
ブ31の左右両端部での選別処理物の堆積に起因した選別効率の低下を回避することがで
きる。
Furthermore, the selection pieces 54b at the left and right ends of the chaff sheave 31 are replaced with the selection pieces 54 at the left and right center sides.
By forming the chaff sheave 31 shorter than a, it is possible to promote the leakage of grains or the like from the leakage holes 54C at the left and right ends of the chaf sheave 31 where the sorted products are likely to accumulate. It is possible to avoid a decrease in the sorting efficiency due to the accumulation of sorted products in some parts.

ちなみに、チャフシーブ31に形成される選別片54a,54bを備えていない漏下孔
54Aと、選別片54a,54bを備えた漏下孔54B,54Cとの割合は、選別する穀
粒の種類などに応じて種々の変更が可能である。
By the way, the ratio of the leakage holes 54A not provided with the sorting pieces 54a, 54b formed in the chaff sheave 31 and the leakage holes 54B, 54C provided with the sorting pieces 54a, 54b depends on the kind of the grain to be sorted. Various changes can be made accordingly.

又、選別プレート54の前部側に、短尺で矩形状の選別片54bを有するように平面視
矩形状に形成された複数の漏下孔54Cを、前列の漏下孔54Cの間に後列の漏下孔54
Cが位置する千鳥状に整列形成するようにしてもよい。
Further, on the front side of the selection plate 54, a plurality of leakage holes 54C formed in a rectangular shape in plan view so as to have a short and rectangular selection piece 54b are provided in the rear row between the leakage holes 54C in the front row. Leakage hole 54
The C may be arranged in a staggered pattern.

図3に示すように、唐箕20からの選別風のうち、上段の風路R1を通る選別風は、シ
ーブケース29に形成した風路R4を通って、扱胴16の第2支持プレート45に向けて
流動するようになっている。これによって、第2支持プレート45によって脱穀処理方向
下手側への流動が阻止される脱穀処理物を、扱胴16の周囲に向けて風力搬送することが
でき、結果、脱穀処理物が第2支持プレート45の直前箇所で堆積して、脱穀処理に支障
を来す虞を未然に回避することができる。
As shown in FIG. 3, among the sorting winds from the Karahana 20, the sorting winds passing through the upper air passage R1 pass through the air passages R4 formed in the sheave case 29 and reach the second support plate 45 of the handling cylinder 16. It is designed to flow toward you. As a result, the threshing processed material, which is prevented from flowing toward the lower side in the threshing processing direction by the second support plate 45, can be transported by wind toward the periphery of the handling cylinder 16, and as a result, the threshing processed material is secondly supported. It is possible to avoid the possibility of depositing at a position just before the plate 45 and hindering the threshing process.

図3及び図6に示すように、扱胴16は、その後端に位置する扱歯48Aが、受網17
の後端よりも後方に位置して排稈口18に臨むようになっている。つまり、扱胴16の後
端においては、受網17が存在しないことで、その周囲に比較的大きい空間が形成された
状態となっており、これによって、扱胴後端の扱歯48Aに脱粒穀稈が絡み付いていたと
しても、その脱粒穀稈は、扱胴16の回転に伴う遠心力で、その扱歯48Aの先端から抜
け出るようになり、結果、扱胴16の後端での扱歯48Aに対する引っ掛かりに起因した
脱粒穀稈の滞留を効果的に抑制することができ、脱粒穀稈の排稈口18からの放出を促進
させることができる。
As shown in FIGS. 3 and 6, the handling drum 16 has a handling tooth 48A located at the rear end thereof,
It is located rearward of the rear end and faces the outlet 18. That is, at the rear end of the handling cylinder 16, since the receiving net 17 does not exist, a relatively large space is formed around the receiving net 17, and as a result, the handling teeth 48A at the rear end of the handling cylinder are shed. Even if the grain culms are entangled, the shed grain culms come out of the tips of the handling teeth 48A due to the centrifugal force associated with the rotation of the handling barrel 16, and as a result, the handling teeth at the rear end of the handling barrel 16. It is possible to effectively suppress the retention of the shattered grain culms due to being caught on the 48A, and to promote the release of the shattered grain culms from the culm outlet 18.

〔別実施形態〕 [Another embodiment]

〔1〕扱胴16としては、掻込部41を備えないものであってもよく、又、掻込部41に
、螺旋歯43の代わりに整梳歯又は扱歯48を備えるものであってもよい。
[1] The handling cylinder 16 may not be provided with the scraping portion 41, and the scraping portion 41 may be provided with combing teeth or the handling teeth 48 instead of the spiral teeth 43. Good.

〔2〕扱胴16としては、各扱胴フレーム(本体構成部材)47に、丸棒鋼材、角棒鋼材
、角パイプ鋼材、アングル材、又はチャンネル材などを採用したものであってもよい。
[2] As the handling barrel 16, each handling barrel frame (main body constituting member) 47 may be made of a round bar steel material, a square bar steel material, a square pipe steel material, an angle material, a channel material, or the like.

〔3〕扱胴16において、扱胴フレーム(本体構成部材)47の装備数量は種々の変更が
可能であり、例えば、8本の扱胴フレーム47を装備するようにしてもよい。
[3] In the handling barrel 16, the number of the handling barrel frames (main body constituent members) 47 can be variously changed, and, for example, eight handling barrel frames 47 may be equipped.

〔4〕扱胴16において、複数の扱胴フレーム(本体構成部材)47を各支持プレート4
4〜46に向き変更不能に固着するようにしてもよい。
[4] In the handling barrel 16, a plurality of handling barrel frames (main body constituent members) 47 are attached to each support plate 4.
You may make it adhere to 4 to 46 so that the orientation cannot be changed.

〔5〕扱胴16としては、円筒状に形成されたプレートを本体構成部材47とするドラム
状に構成されたものであってもよい。
[5] The handling cylinder 16 may be formed in a drum shape using a plate formed in a cylindrical shape as the main body constituting member 47.

〔6〕本体構成部材47に装備する全ての扱歯48を、本体構成部材47に溶接固定する
ようにしてもよく、又、本体構成部材47に着脱可能にボルト連結するようにしてもよい
[6] All the handle teeth 48 mounted on the main body constituent member 47 may be fixed to the main body constituent member 47 by welding, or may be detachably connected to the main body constituent member 47 by bolts.

〔7〕本体構成部材47に装備する全ての扱歯48又は一部の扱歯48を、扱胴16の回
転に伴って、脱穀処理物を脱穀処理方向下手側に向けて案内する案内面を有する羽根状に
形成するようにしてもよく、又、その先端部が、扱胴16の回転に伴って、脱穀処理物を
脱穀処理方向下手側に向けて案内する案内部として機能するようにL字状に屈曲形成して
もよい。
[7] A guide surface that guides all the handle teeth 48 or a part of the handle teeth 48 provided in the main body component member 47 toward the lower side of the threshing process direction along with the rotation of the handling cylinder 16. It may be formed in a blade shape having L, and the end portion thereof functions as a guide portion that guides the threshing processed material toward the lower side in the threshing processing direction with the rotation of the handling cylinder 16. You may bend and form in a character shape.

〔8〕扱歯48として、角棒鋼材や丸パイプ材などを採用するようにしてもよく、又、U
字状やV字状に屈曲形成されたものを採用するようにしてもよい。
[8] A square bar steel material, a round pipe material, or the like may be adopted as the handle teeth 48, and U
You may make it employ|adopt the thing bent and formed in V shape.

〔9〕扱歯48の配置間隔としては種々の変更が可能であり、例えば、扱胴フレーム(本
体構成部材)47の装備本数を3の倍数とする場合には、各扱歯48が、隣の扱胴フレー
ム(本体構成部材)47に装備された扱歯48と前後方向で1/3ピッチ分ずれた状態で
位置するように、又、扱胴フレーム(本体構成部材)47の装備本数を4の倍数とする場
合には、各扱歯48が、隣の扱胴フレーム(本体構成部材)47に装備された扱歯48と
前後方向で1/4ピッチ分ずれた状態で位置するように配置設定してもよい。又、例えば
、後部側での扱歯48の前後間隔が前部側での扱歯48の前後間隔よりも大きくなるよう
に、前部側と後部側とで扱歯48の配置間隔を異ならせるようにしてもよい。
[9] The arrangement interval of the handle teeth 48 can be variously changed. For example, when the number of the handle barrel frames (main body constituting members) 47 to be equipped is a multiple of 3, the handle teeth 48 are adjacent to each other. The operating body frame (main body constituting member) 47 is positioned so as to be displaced by a 1/3 pitch in the front-rear direction from the operating teeth 48 provided on the operating body frame (main body constituting member) 47, and the number of the operating body frame (main body constituting member) 47 to be provided is set. In the case of a multiple of 4, each handle tooth 48 is positioned so as to be displaced from the handle tooth 48 mounted on the adjacent handle barrel frame (main body constituting member) 47 by a quarter pitch in the front-rear direction. The arrangement may be set. Further, for example, the arrangement intervals of the handle teeth 48 on the front side and the rear side are made different so that the front-rear spacing of the handle teeth 48 on the rear side is larger than the front-rear spacing of the handle teeth 48 on the front side. You may do it.

〔10〕天板24に装備する全ての送塵弁49又は一部の送塵弁49を、天板24の左右
いずれか一方の側縁部24C、又は、左右双方の側縁部24Cにわたらない短い長さに形
成するようにしてもよい。
[10] When all the dust-sending valves 49 or a part of the dust-sending valves 49 mounted on the top plate 24 are extended to one of the left and right side edge portions 24C of the top plate 24 or both the left and right side edge portions 24C. It may be formed to have a short length.

〔11〕送塵弁49を、扱室14内の脱穀処理物量に応じた開度調節が可能な可動式に構
成して、脱穀性能や脱穀効率の向上を更に図れるようにしてもよい。
[11] The dust-sending valve 49 may be configured to be movable so that the opening degree can be adjusted according to the amount of threshing material in the handling chamber 14 to further improve threshing performance and threshing efficiency.

〔12〕天板24としては、その湾曲部24Aが扱歯48の先端が描く回転軌跡Kに沿っ
て湾曲するように形成されたものであってもよい。又、湾曲部24Aの代わりに、扱胴1
6の上部側を上方から覆うように屈曲形成された屈曲部を有するように構成されたもので
あってもよい。
[12] As the top plate 24, the curved portion 24A may be formed to be curved along the rotation locus K drawn by the tips of the handle teeth 48. Also, instead of the curved portion 24A, the handling cylinder 1
It may be configured to have a bent portion that is bent and formed so as to cover the upper side of 6 from above.

1 車体フレーム
4 刈取搬送装置
5 脱穀装置
13 フィーダ
14 扱室
15 支軸
16 扱胴
24 天板
26 扱室の前壁
27 扱室の後壁
41 掻込部
42 扱き処理部
43 螺旋歯
44 第1支持プレート
45 第2支持プレート
46 第3支持プレート
47 扱胴フレーム
48 扱歯
49 送塵弁
1 Body Frame 4 Mowing and Conveying Device 5 Threshing Device 13 Feeder 14 Handling Room 15 Support Shaft 16 Handling Cylinder 24 Top Plate 26 Front Wall of Handling Room 27 Rear Wall of Handling Room 41 Scraping Section 42 Handling Processing Section 43 Spiral Teeth 44 1st Support plate 45 Second support plate 46 Third support plate 47 Handling barrel frame 48 Handling teeth 49 Dust valve

Claims (8)

車体フレームに、刈取搬送装置と脱穀装置とが搭載され、
前記刈取搬送装置に、刈取穀稈を前記脱穀装置に向けて搬送するフィーダが備えられ、
前記脱穀装置に、前記脱穀装置の上部に形成された扱室と、前記扱室の内部に設けられ、刈取穀稈の搬送方向である前後方向に沿って架設した支軸を支点にして回転駆動される扱胴とが備えられ、
前記扱胴に、前記扱胴の前部を構成する掻込部と、前記扱胴の後部を構成する扱き処理部とが備えられ、
前記扱き処理部は、前記扱胴の周方向に間隔を隔てて並ぶように支持された複数の扱胴フレームと、前記扱胴フレームから外方に向けて突出する複数の扱歯とを有し、
前記複数の扱胴フレームと前記複数の扱歯とは、脱穀処理物に作用する扱き処理部材として機能し、
前記扱室に前記扱胴の上部側を覆う天板が備えられ、
複数の送塵弁が、前記天板の内側に前記前後方向に間隔を隔てて並ぶように装備され、前記扱胴の回転に伴って前記扱室の上部に搬送された脱穀処理物を、搬送方向下手側に向けて案内するように構成され、
平面視において、前記複数の送塵弁は、前記天板における前記扱き処理部に対応する部位に、前記扱き処理部の回転に伴って脱穀処理物を搬送方向下手側に向けて案内する扱き処理部用送塵弁を備え、
平面視において、前記扱き処理部用送塵弁の両端部は、前記前後方向に直交する左右方向における最も外側に位置している時の前記扱胴フレームよりも外側に突出している全稈投入型コンバイン。
The body frame is equipped with a reaping and conveying device and a threshing device,
The harvesting and conveying device is provided with a feeder that conveys a harvested culm toward the threshing device,
The threshing device is rotationally driven with a handling chamber formed in the upper part of the threshing device, and a spindle provided inside the handling chamber and installed along the front-rear direction that is the conveyance direction of the harvested culm as a fulcrum. Is provided with
The handling cylinder is provided with a scraping section that constitutes a front part of the handling cylinder, and a handling processing section that configures a rear part of the handling cylinder,
The handling unit has a plurality of handling barrel frames supported so as to be lined up at intervals in the circumferential direction of the handling barrel, and a plurality of handling teeth protruding outward from the handling barrel frame. ,
The plurality of handling barrel frames and the plurality of handling teeth function as a handling processing member that acts on the threshing material,
The handling room is provided with a top plate that covers the upper side of the handling barrel,
A plurality of dust transfer valves are provided inside the top plate so as to be lined up at intervals in the front-rear direction, and convey the threshed material conveyed to the upper part of the handling chamber as the handling barrel rotates. It is configured to guide toward the lower side of the direction,
In a plan view, the plurality of dust-sending valves is a handling process that guides a threshing-treated product toward a lower side in the transport direction along with rotation of the handling process unit at a portion corresponding to the handling process unit on the top plate. Equipped with a dust control valve
When seen in a plan view, both ends of the dust handling valve for the handling processing unit project outside the handling barrel frame when located at the outermost side in the left-right direction orthogonal to the front-rear direction. Type combine.
前記扱歯は、一直線状の棒状部材に構成され、
平面視において、前記扱き処理部用送塵弁は、前記左右方向における最も外側に位置している時の扱胴フレームから突出する前記扱歯と重複している請求項1に記載の全稈投入型コンバイン。
The handle tooth is configured in a straight rod-shaped member,
The all-culm throw-in according to claim 1, wherein, in plan view, the dust handling valve for the handling processing unit overlaps with the handling teeth protruding from the handling barrel frame when located at the outermost side in the left-right direction. Type combine.
前記扱き処理部用送塵弁の間隔は、前記扱胴フレームにおいて前記前後方向に隣接する扱歯の間隔よりも大きく設定されている請求項1又は2に記載の全稈投入型コンバイン。 The all-culm throw-in type combine harvester according to claim 1 or 2, wherein an interval between the dust handling valves for the handling processing unit is set to be larger than an interval between the handling teeth adjacent to each other in the front-rear direction in the handling barrel frame. 前記掻込部は、円錐台状の基部と、前記基部の外周に設けられ、前記扱室に供給搬送された刈取穀稈を、前記扱胴の前記支軸周りの回転に伴って後方に向けて掻き込み搬送する螺旋歯とを有し、
平面視において、前記複数の送塵弁は、前記天板における前記掻込部に対応する部位に、前記掻込部の回転に伴って刈取穀稈を搬送方向下手側に向けて案内する掻込部用送塵弁を備え、
平面視において、前記掻込部用送塵弁は、外側に位置している前記螺旋歯と重複している請求項1〜3のいずれか一項に記載の全稈投入型コンバイン。
The scraping part is provided with a frusto-conical base part and an outer circumference of the base part, and the harvested culm supplied and conveyed to the handling chamber is directed rearward with rotation of the handling barrel around the spindle. And spiral teeth for scraping and conveying,
When seen in a plan view, the plurality of dust-sending valves are provided in a portion of the top plate corresponding to the scraping portion for guiding the cut culm toward the lower side in the transport direction as the scraping portion rotates. Equipped with a dust control valve
The all-culm throw-in type combine harvester according to any one of claims 1 to 3, wherein, in a plan view, the dust suction valve for the scraping portion overlaps with the spiral tooth located outside.
平面視において、前記掻込部用送塵弁は、その搬送方向上手側部分を前記掻込部側に入り込ませた状態で、前記天板における前記掻込部に対応する部位と、前記天板における前記扱き処理部に対応する部位とにわたって配備されている請求項4に記載の全稈投入型コンバイン。 When seen in a plan view, the dust trap valve for the sweeping portion has a portion corresponding to the sweeping portion on the top plate and a top plate in a state in which a portion on the upper side in the transport direction is inserted into the scraping portion side. The all-culm throw-in type combine harvester according to claim 4, which is provided over a portion corresponding to the handling processing part in the. 前記支軸は、前記掻込部の前部から前記扱き処理部の後部にわたる棒状部材で構成され、
前記支軸の前部に、前記掻込部の後部に連結され、かつ、前記扱胴フレームの前部を支持する第1支持プレートが備えられ、
前記支軸の後部に、前記扱胴フレームの後部を支持する第3支持プレートが備えられ、
前記扱胴フレームのそれぞれは、前記扱き処理部の前部から後部にわたる一本の棒状部材で構成され、
前記扱歯のそれぞれは単一の前記扱胴フレームだけに支持され、前記扱胴フレームは、前記扱歯を支持した状態で、前記第1支持プレートと前記第3支持プレートとから着脱可能に構成されている請求項1〜5のいずれか一項に記載の全稈投入型コンバイン。
The support shaft is composed of a rod-shaped member extending from a front portion of the scraping portion to a rear portion of the handling processing portion,
A first support plate connected to a rear portion of the scraping portion and supporting a front portion of the handling barrel frame is provided at a front portion of the support shaft,
A third support plate for supporting the rear part of the handling barrel frame is provided at the rear part of the support shaft,
Each of the handling body frames is composed of a single rod-shaped member extending from the front to the rear of the handling processing unit ,
Wherein each of扱歯supported only a single said threshing drum frame, wherein the thresher frame, while supporting the扱歯, detachably from the first support plate and the front Symbol third supporting plate The all culm throw-in type combine harvester according to any one of claims 1 to 5, which is configured.
前記支軸は、前記第1支持プレートと前記第3支持プレートを貫通した状態で、前記扱室の前壁と後壁とにわたって回転可能に架設され、
前記扱胴フレームは、前記第1支持プレートと前記第3支持プレートとの間に配備され
記扱胴フレームは、前記扱室の前記前壁と前記後壁とにわたって前記支軸が架設された状態で、着脱可能に構成されている請求項6に記載の全稈投入型コンバイン。
The support shaft is in a state of penetrating the first support plate and the front Symbol third supporting plate is rotatably spanned over the front and rear walls of the threshing chamber,
The handling barrel frame is provided between the first support plate and the third support plate ,
Before SL thresher frame in a state where the support shaft for said front wall and the rear wall of the threshing chamber is bridged, the entire culm-input combine of claim 6 that is detachably attached.
前記掻込部は、円錐台状の基部と、前記基部の外周に設けられ、前記扱室に供給搬送された刈取穀稈を、前記扱胴の前記支軸周りの回転に伴って後方に向けて掻き込み搬送する螺旋歯とを有し、
前記複数の扱歯のうち最も搬送方向上手側に位置する扱歯は、前記基部の後端との間に間隔を空けて設けられ、この間隔に対応する位置に、前記扱胴フレームと前記第1支持プレートとの間の連結部が備えられ、
前記複数の扱歯のうち最も搬送方向下手側に位置する扱歯は、前記扱胴フレームの後端との間に間隔を空けて設けられ、この間隔に対応する位置に、前記扱胴フレームと前記第3支持プレートとの間の連結部が備えられている請求項6又は7に記載の全稈投入型コンバイン。
The scraping part is provided with a frusto-conical base part and an outer circumference of the base part, and the harvested culm supplied and conveyed to the handling chamber is directed rearward with rotation of the handling barrel around the spindle. And spiral teeth for scraping and conveying,
Among the plurality of handle teeth, a handle tooth located on the most upstream side in the transport direction is provided with a gap between the handle portion and the rear end of the base portion, and the handle barrel frame and the first handle tooth are provided at a position corresponding to this gap. 1. A connection part between the support plate and
Among the plurality of handle teeth, the handle tooth located on the lowermost side in the transport direction is provided with a space from the rear end of the handle body frame, and the handle body frame is provided at a position corresponding to this interval. The all-culm throw-in type combine harvester according to claim 6 or 7, wherein a connecting portion between the third support plate and the third support plate is provided.
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JPH06253658A (en) * 1993-03-05 1994-09-13 Kubota Corp Whole culm feeding thresher
JPH1128019A (en) * 1997-07-10 1999-02-02 Kubota Corp Threshing drum structure of threshing apparatus
JPH1128020A (en) * 1997-07-11 1999-02-02 Kubota Corp Threshing drum structure of threshing apparatus
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JP3435058B2 (en) * 1998-03-25 2003-08-11 株式会社クボタ Whole culm type combine
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