JP4040208B2

JP4040208B2 - Combine

Info

Publication number: JP4040208B2
Application number: JP13661499A
Authority: JP
Inventors: 仁佐村木; 明人山本
Original assignee: Yanmar Agricultural Equipment Co Ltd
Current assignee: Yanmar Co Ltd
Priority date: 1999-05-18
Filing date: 1999-05-18
Publication date: 2008-01-30
Anticipated expiration: 2019-05-18
Also published as: JP2000324941A

Description

【０００１】
【発明の属する技術分野】
本発明は穀稈を連続的に刈取って脱穀するコンバインに関する。
【０００２】
【発明が解決しようとする課題】
従来、刈刃などを備える刈取部を、扱胴及び選別機構などを備える脱穀部の前方に設けると共に、刈取部の右側に運転席を配設させて作業者が座乗し、連続的に収穫作業を行う技術があるが、機体の小型化及び軽量化が望まれていた。例えば特公昭４９−２６３３０号公報または実公昭４９−１０７６６号公報の技術は、扱胴の上方に運転席を設けるから、扱胴を低くして後側に選別機構を設ける必要があり、選別穀粒損失の低減並びに機体前後長の縮少などを容易に行い得ない不具合がある。また、実公昭５３−５２８５１号公報の技術は、脱穀部の右側に運転席を設けるから、機体左右幅の縮少などを容易に行い得ない不具合がある。
【０００３】
【課題を解決するための手段】
然るに、本発明は、機体の略中心部に、機体進行方向に対して略９０度変位させて配設した扱胴を有する脱穀部を設けたコンバインにおいて、脱穀部の前方に刈取部を設け、脱穀部の後方にフィードチェンを配設し、脱穀部の左側に刈取り穀桿搬送路を配設し、脱穀部の右側に排藁切断カッターを配設し、前記フィードチェン及び前記刈取り穀稈搬送系路及び前記排藁切断カッターを前記扱胴を囲む略コ字形に配設したコンバインであって、脱穀部の左側板の内側に選別機構の二番還元部材を配設し脱穀部の右側板の外側に選別機構の排塵部材を配設することにより、前記排塵部材を前記排藁切断カッターの前方に配設したもので、二番還元部材を設ける脱穀部側面の外側に大きなスペースを形成して刈取り穀稈搬送系路を近接して配設し得、機体の左右幅を小さく形成して小型化を容易に行い得、かつ脱穀部左右幅縮少によって左右走行クローラ間で対地高さを低く形成し得、しかも左右走行クローラのトレッドを大きく形成し得るものである。
【０００４】
また、脱穀部の内部から機体外部に至る排塵部材の排風の方向変更角度を小さく形成し得、機体左右幅縮少による小型化並びに排塵効率向上を容易に図り得るものである。
また、脱穀部を機体中心に配置して両側スペースを活用して刈取り穀稈の供給と排藁切断放出を行い得、機体前後長で短縮して小型化を図り得るものである。また、機体を構成するフレーム構造の簡略化によって軽量化を容易に行い得、かつ機体の前後長及び左右幅の短縮によって小型化を容易に行い得るものである。
【０００５】
また、機体前方に運転席を配設するとともに、機体後方にエンジンおよびミッションケースを配設して、エンジン及びミッションケースなど駆動部を機体最後側のメンテナンスし易い場所にコンパクトに設置し、かつ脱穀部前部に刈取部を近接して機体前後長を縮少させるものである。
【０００６】
また、機体前方かつ前記排塵部材の上方に前記運転席を配置するとともに、機体後方かつ前記運転席の対角位置に前記エンジンを配設して、機体の重量バランスを向上し、かつエンジン及びミッションケースなど駆動部を機体最後側のメンテナンスし易い場所にコンパクトに設置し、かつ脱穀部前部に刈取部を近接して機体前後長を縮少させるものである。
【０００８】
【発明の実施の形態】
以下本発明の実施例を図面に基づいて詳述する。図１は全体の側面図、図２は同平面図、図３は前部の側面図、図４は同平面図、図５は後部の側面図である。図中符号（１）は、トラックフレーム（２）に装設させる左右一対の走行クローラである。（３）は、扱胴（４）及びフィードチェン（５）及び揺動選別盤（６）を備えて脱穀選別によって穀粒を収集する脱穀部である。（７）は、２条分の引起ケース（８）及び掻込ホイル（９）及び刈刃（１０）、並びに刈取り穀稈搬送系路（１１）を脱穀部（３）左側に形成する株元搬送チェン（１２）と穂先搬送タイン（１３）を備える刈取部である。（１４）は、作業者搭乗用のステップ（１５）及び座乗用運転席（１６）、丸形操向ハンドル（１７）及び前後進用走行変速レバー（１８）を備える運転台である。（１９）は、脱穀部（３）からの穀粒を揚穀筒（２０）によって入れる籾タンクである。（２１）は、脱穀部（３）からの排藁を切断して放出するカッターである。（２２）はエンジン、（２３）はミッションケースである。
【０００９】
そして、脱穀部（３）の前方に刈取部（７）を装設させ、刈取部（７）の刈取り穀稈を脱穀部（３）に送給させる刈取り穀稈搬送系路（１１）の搬送方向に脱穀部（３）の扱胴（４）中心を機体進行方向に対して略９０度傾けて設け、扱胴（４）と平行に延設させるフィードチェン（５）によって排藁をカッター（２１）に送出させ、従来の排藁チェンを不要にして搬送機構の簡素化により軽量化を行うと共に、排藁を排出させる４番口を縮少してスペースの有効活用により小型化を行い、収穫作業性の向上並びに製造コストの低減などを図るもので、機体の略中心部に脱穀部（３）を設け、機体中央の扱胴（４）を中心に、大重量部品である刈取り穀稈搬送用の株元搬送チェン（１２）及びフィードチェン（５）を延設させ、機体の小型化並びに機体の重量バランスの向上などを行う。
【００１０】
また、機体前後方向中心線と扱胴（４）中心線の交点を基準に運転席（１６）を右側前方に設け、脱穀部（３）の扱胴（４）前方で後方よりも低く形成できる上面を活用して運転席（１６）を取付け、作業者の視界を確保し、作業者の搭乗による機体の重心移動を小さくして重量バランスの向上などを図ると共に、機体の後方にエンジン（２２）を設け、機体前方の運転席（１６）に対して対角線位置にエンジン（２２）を配置させ、機体の重量バランスを向上し、かつエンジン（２２）及びミッションケース（２３）など駆動部を機体最後側のメンテナンスし易い場所にコンパクトに設置し、かつ脱穀部（３）前部に刈取部（７）を近接して機体前後長を縮少させる。
【００１１】
また、脱穀部（３）からの穀粒を入れる籾タンク（１９）を機体中央部に設け、籾タンク（１９）の籾量変化による機体重心移動を少なくし、機体の重量バランスの向上などを図ると共に、脱穀部（３）から排出される排藁を切断して放出するカッター（２１）を脱穀部（３）右側の右走行クローラ（１）上方に配設させ、脱穀部（３）右側の右走行クローラ（１）上方のスペースを有効活用してカッター（２１）をコンパクトに設置し、脱穀部（３）の排藁をフィードチェン（５）によってカッター（２１）に直接投入し、藁搬送構造の簡素化及び軽量化を図る。
【００１２】
さらに、未刈取り穀稈を起立させる刈取部（７）の引起ケース（８）上端側を左側に傾斜させて設け、作業者が搭乗するステップ（１５）及び運転席（１６）を刈取部（７）の刈り幅右側上方の機体中央寄りで低位置に配置し、刈取部（７）と運転席（１６）の左右設置幅を小さくして機体の左右重量バランス向上及び小型化を行い、かつステップ（１５）などから離れて穀稈穂先側を搬送させると共に、２条分の略平行な各引起ケース（８）を運転席（１６）と反対側に傾けて設け、刈取部（７）の上方で低位置に運転席（１６）を設け、かつ運転者が搭乗するステップ（１５）の真横に引起ケース（８）を近接させて配置し、作業者の搭乗による機体の重心移動を少なくし、作業者が搭乗する前の機体重心を機体中央に設定し、トラック荷台に積んだときに偏荷重にトラック荷台が傾く不具合をなくし、小さい積載重量のトラックを用いて安定良く輸送させる。
【００１３】
また、刈取部（７）の刈刃（１０）右側部上方に作業者搭乗用のステップ（１５）を配置させ、刈取部（７）とステップ（１５）の左右全幅を小さく形成して機体の小型化を行い、かつ作業者を機体中央寄りに搭乗させて機体の左右重量バランスを向上し、しかも２条分の刈り幅の刈取部（７）とステップ（１５）を左右走行クローラ（１）左右幅内に配置させると共に、左右クローラ（１）設置幅の右半分に運転席（１６）を設け、左半分に２条分の引起ケース（８）を設け、作業者が搭乗するステップ（１５）の真横に２条分の引起ケース（８）を立設し、機体左右幅の縮少と同時に機体前後長を短縮し、小型軽量化並びに機体重量バランス向上などを図る。
【００１４】
さらに、図５乃至図８に示す如く、前記脱穀部（３）の左側面後方上方に供給口（２４）を開設する扱室（２５）内部に扱胴軸（２６）を介して扱胴（４）を軸支させ、支点軸（２７）回りに上方に開放自在な上面カバー（２８）によって扱室（２５）上面を閉塞し、上面カバー（２８）に挾扼杆（２９）を取付け、フィードチェン（５）と挾扼杆（２９）による穀稈挾持搬送高さと、扱胴（４）上面及び供給口（２４）の各高さを略等しく形成し、穀稈を側面視略水平姿勢で搬送し乍ら脱穀する上扱ぎ構造に構成する。
【００１５】
また、前記扱胴（４）下方にクリンプ網（３０）を張設させて扱室（２５）下面を閉塞し、クリンプ網（３０）下方に選別機構（３１）を設ける。前後方向に揺動運動させる前記揺動選別盤（６）と、該選別盤（６）前部に設けて上下に揺動させる篩線（３２）と、前記選別盤（６）後部下方に設けて後部下方から前部上方に選別風を供給する唐箕（３３）と、前記選別盤（６）前部下方に設けて漏下する穀粒を揚穀筒（２０）に取出す一番コンベヤ（３４）及び一番樋（３５）と、前記篩線（３２）下方に設けて漏下する穀粒及び藁屑などの二番還元物を取出す二番コンベヤ（３６）及び二番樋（３７）と、二番コンベヤ（３６）からの二番還元物を前記選別盤（６）上面に戻すスロワ型の二番還元部材（３８）と、前記篩線（３２）上方右側の吸引口（３９）から篩線（３２）上面の藁屑及び粉塵を吸込んで機外に排出させる吸排塵ファン型の排塵部材（４０）を設け、前記選別機構（３１）を構成している。
【００１６】
また、脱穀部（３）の選別機構（３１）に設ける二番還元部材（３８）を左側前部に配設させ、脱穀部（３）の左側板（４１）の内側に二番還元部材（３８）を設置させ、脱穀部（３）左側の選別駆動機構の簡素化を行い、刈取り穀稈搬送用の穂先搬送タイン（１３）及び株元搬送チェン（１２）を脱穀部（３）左側に近接させ、機体左右幅を縮少して小型化を図ると共に、脱穀選別によって発生する排塵を機外に排出させる排塵部材（４０）を脱穀部（３）の右側前部に配設させ、脱穀部（３）の右側板（４２）の外側に排塵部材（４０）を設置させ、二番還元部材（３８）と反対側で扱胴（４）後端側の右側板（４２）前部外側のスペースを排塵部材（４０）の取付に有効利用し、排塵部材（４０）の排風の方向変更角度を小さくし、脱穀選別性能を確保する。さらに、扱胴（４）後端側の右側板（４２）後部を外側に膨出させてささり粒落下スペース（４２ａ）を四番口として形成し、扱胴（４）後部からカッター（２１）に排出される藁の中に含まれているささり粒を前記スペース（４２ａ）で下方の揺動選別板（６）上面に落下させ、カッター（２１）側への排藁取出し時の穀粒損失を低減させる。
【００１７】
さらに、最左側の引起ケース（８）上端と機体左側を略一致させ、機体左右全幅を有効活用して刈取部（７）とステップ（１５）を左右に並べて配設し、かつ脱穀部（３）左側で引起ケース（８）上端乃至脱穀部（３）の供給口（２４）間で穀稈穂先部が正面視で略直線上を移動し、搬送稈姿勢の乱れ及び脱粒などを低減し、刈取り穀稈搬送系路の簡略化を行うと共に、刈取り穀稈を供給する脱穀部（３）の供給口（２４）を立毛穀稈の穂先高さ（約９０センチメートル）と略同一高さに設け、脱穀部（３）側面に沿わせて刈取り穀稈を移動させ、穀稈株元が未刈り側に突出して未刈り穀稈穂先を扱く不具合をなくし、かつ刈取り穀稈穂先高さを略一定維持して搬送し、穀稈搬送構造の簡略化及び動力低減によって小型化を図る。
【００１８】
さらに、脱穀部（３）の扱胴（４）を上扱ぎ構造に取付け、穀稈搬送位置に対して扱胴（４）を低位置に配設して機体重心を低下し、機体重量バランスを良好に維持し乍ら小型軽量化を図ると共に、刈取部（７）から刈取り穀稈を搬送する株元搬送チェン（１２）と供給口（２４）の間に、穀稈の搬送方向を変更させる受継搬送チェン（４３）を設け、脱穀部（３）側面に沿わせる正面視直立姿勢の刈取り穀稈を側面視水平姿勢に変更し、本機進行方向に対して交叉する方向に延設させるフィードチェン（５）に受渡す穀稈の株元を穂先部中心に回向し、穀稈搬送性能の向上並びに機体の小型化を図る。
【００１９】
さらに、前記エンジン（２２）上面に燃料タンク（４４）を固設させ、エンジンルームカバー（４５）によってエンジン（２２）の上面と左右及び後面を覆い、カバー（４５）上面にタンク（４４）を突出させ、タンク（４４）によってカバー（４５）の一部を形成させると共に、エンジン（２２）の周辺に形成される暖気を唐箕（３３）に吸引させ、エンジン（２２）冷却を助長させかつ選別除湿効果を得る。
【００２０】
また、脱穀部（３）からの穀粒を入れる籾タンク（１９）下面とエンジン（２２）上面の間にフィードチェン（５）を張設させ、籾タンク（１９）の下方に脱穀部（３）の扱胴（４）とエンジン（２２）を配置し、かつエンジン（２２）上部のスペースを穀稈搬送に有効利用し、機体の小型化及び重量バランスの向上を図ると共に、エンジン（２２）上側の燃料タンク（４４）と上方の籾タンク（１９）の間に穀稈株元側を搬送させ、燃料タンク（４４）の容量拡大及びコンパクト収納を行い、機体の小型化及び重量バランスの向上を図る。
【００２１】
さらに、脱穀部（３）の後部側面に開設する刈取り穀稈用供給口（２４）よりも前方に排塵部材（４０）を設け、脱穀部（３）に発生する排塵を排塵部材（４０）によって機体後方に向けて排出させ、脱穀部（３）前部に運転席（１６）を設けても排塵が作業者に飛散する不具合をなくし、排塵部材（４０）上面に運転席（１６）を設置し、かつ脱穀部（３）に刈取り穀稈を搬送する株元搬送チェン（１２）を脱穀部（３）側方に設けても、前方支点によって株元搬送チェン（１２）の長短稈調節スペースを大きく形成し、脱穀部（３）前部の左右いずれの側にも排塵部材（４０）をコンパクトに配設し、機体の小型化を図ると共に、選別機構（３１）に選別風を送給させる唐箕（３３）を脱穀部（３）後部に配置させ、排塵部材（４０）を右側前方に配置させ、脱穀部（３）左側から刈取り穀稈を供給し、左側に発生する多量の脱穀物を唐箕（３３）によって右側前方に送出させ、排塵部材（４０）によって吸引させ、選別機構（３１）の選別送塵風路を対角線方向に長尺に形成し、機体の小型化並びに選別損失の低減を図る。また、供給口（２４）と反対側の脱穀部（３）側面で前方に排塵部材（４０）を配設させ、脱穀部（３）からの排藁を切断放出させるカッター（２１）を後方に配設させ、排塵部材（４０）の排風によってカッター（２１）からの排藁を拡散放出し、かつ脱穀部（３）の扱胴（４）後部にカッター（２１）を近接させて機体の小型化を図る。
【００２２】
また、唐箕（３３）の後方にエンジン（２２）を配設させ、エンジン（２２）周辺の温風を唐箕（３３）に吸引させ、選別風の湿度低下並びにエンジン（２２）冷却効率向上を行い、かつ脱穀部（３）にエンジン（２２）を近接させてエンジン（２２）取付け構造の簡略化を行い、機体の小型軽量化を図ると共に、左右走行クローラ（１）の間に脱穀部（３）を設け、刈取部（７）から脱穀部（３）に刈取り穀稈を供給する穀稈搬送系路（１１）を左走行クローラ（１）上方に配設させ、排塵部材（４０）及びカッター（２１）を右走行クローラ（１）上方に配設させ、左右走行クローラ（１）のトレッドを可及的に大きく形成し、穀稈搬送系路（１１）乃至カッター（２１）の左右設置幅と左右走行クローラ（１）の設置幅を略等しく形成し、機体幅で決定される移動可能幅と走行クローラ（１）の走行幅を略同一にし、小型機体の安定性及び操縦性を向上させる。
【００２３】
さらに、脱穀部（３）後部で機体進行方向に対して直交させる扱胴（４）の前方に二番還元部材（３８）を設け、脱穀部（３）の左側板（４１）の内側に選別機構（３１）の二番還元部材（３８）を設置させ、二番還元部材（３８）を設ける脱穀部（３）側面の外側に大きなスペースを形成して刈取り穀稈搬送系路（１１）を近接して配設し、機体の左右幅を小さく形成して小型化を行い、かつ脱穀部（３）左右幅縮少によって左右走行クローラ（１）間で対地高さを低く形成し、しかも左右走行クローラ（１）のトレッドを大きく形成できる。また、選別機構（３１）の排塵部材（４０）を二番還元部材（３８）と反対側の脱穀部（３）の右側板（４２）の外側に設置させ、脱穀部（３）の内部から機体外部に至る排塵部材（４０）の排風の方向変更角度を小さく形成し、機体左右幅縮少による小型化並びに排塵効率向上を図ると共に、後側内部に扱胴（４）を設ける脱穀部（３）の前部で両側に二番還元部材（３８）と排塵部材（４０）を対向させて選別機構（３１）を形成し、二番還元部材（３８）側の脱穀部（３）側面に刈取り穀稈搬送系路（１１）を設け、排塵部材（４０）と同側で後方に排藁切断用のカッター（２１）を配設させ、脱穀部（３）を機体中心に配置して両側スペースを活用して刈取り穀稈の供給と排藁切断放出を行い、機体前後長で短縮して小型化を図る。
【００２４】
また、扱胴（４）を囲む左右と後方に刈取り穀稈搬送系路（１１）及び排藁切断カッター（２１）及びフィードチェン（５）をコ字形に配設させ、前記コ字形前方開放部に刈取部（７）と運転席（１６）を設け、機体を構成するフレーム構造の簡略化によって軽量化を行い、かつ機体の前後長及び左右幅の短縮によって小型化を行うと共に、選別機構（３１）の揺動選別盤（６）上面よりも低いか略同一高さ位置に二番還元部材（３８）の還元口下縁を形成し、二番還元部材（３８）に多量の還元物が供給されて還元物の飛散力が低下しても、詰る前に還元物が還元口から押出され、一番樋（３５）側に取出され、二番還元部材（３８）内部で還元物が詰る不具合をなくす。
【００２５】
さらに、図５、図６、図９、図１０、図１１に示す如く、上記の左右一対のトラックフレーム（２）の前後部に一対の前後の横機枠フレーム（４６）両端部を溶接により一体固定させ、側面視門形の左右一対の縦機枠フレーム（４７）下端を前後の横機枠フレーム（４６）上面に溶接により一体固定させ、左右トラックフレーム（２）を一体固定させる略水平な前後の横機枠フレーム（４６）に左右の縦機枠フレーム（４７）を立設固定させると共に、側面視コ字形の左右一対の後機枠フレーム（４８）の下部端部を下向に折曲げて後の横機枠フレーム（４６）上面に溶接により一体固定させ、後機枠フレーム（４８）の上部端部を縦機枠フレーム（４７）の上面前後幅中間に溶接により一体固定させる。また、前記トラックフレーム（２）に軸受板（４９）を介して軸受（５０）を溶接により一体固定させ、軸受（５０）にトラックローラ（５１）を回転自在に軸支させると共に、トラックフレーム（２）前部のテンション輪（５２）と、ミッションケース（２３）に車軸（５３）を介して設ける駆動輪（５４）と、前記の複数のトラックローラ（５１）に走行クローラ（１）を張設させる。また、側面視門形の左右の縦機枠フレーム（４７）（４７）の両端部の間に前後の水平フレーム（４６ａ）（４６ｂ）を溶接により一体固定させ、横機枠フレーム（２６）で連結する左右の縦機枠フレーム（４７）（４７）間の連結強度を水平フレーム（４６ａ）（４６ｂ）によって向上させる。
【００２６】
さらに、左右の縦機枠フレーム（４７）に左右の軸受体（５８）を固定させて扱胴軸（２６）を回転自在に軸支させ、左右の各フレーム（４７）間に扱胴（４）を取付ける。そして、走行クローラ（１）を取付けるトラックフレーム（２）に、扱胴（４）を取付ける脱穀部（３）の縦機枠フレーム（４７）を一体的に連結させ、従来の平面的なシャーシフレーム構造に代え、トラックフレーム（２）と機枠フレーム（４７）による単一の立体フレーム構成とし、扱胴軸（２６）などの取付け部品の強度によって機枠フレーム（４７）を補強し、特別な補強部材を省いて軽量化を行うと共に、脱穀部（３）の左右側板（４１）（４２）を縦機枠フレーム（４７）に設け、脱穀機枠強度を左右側板（４１）（４２）に持たせる必要がなく、板厚が薄く軽量な材料によって左右側板（４１）（４２）を形成している。
【００２７】
また、作業者が搭乗するステップ（１５）のステップフレーム（５５）を右の縦機枠フレーム（４７）前側部に突設させ、右の縦機枠フレーム（４７）前側にステップ（１５）を支持させ、右の縦機枠フレーム（４７）上部に固定させる台座（５９）に運転席（１６）を配置し、作業者が座乗する運転位置を機体中心寄りに形成し、機体の重量バランスの向上並びにステップ（１５）及び運転席（１６）取付け構造の軽量簡略化を図ると共に、油圧昇降シリンダ（６０）によって昇降させる刈取部（７）を昇降自在に取付ける刈取支点軸（５６）を左右の縦機枠フレーム（４７）前側に一体固定させて設け、縦機枠フレーム（４７）の活用による刈取部（７）の刈取支点軸（５６）構造の簡略化を行い、かつ前記刈取支点軸（５６）による縦機枠フレーム（４７）の補強を行い、しかも脱穀部（３）と刈取部（７）を近接させて機体前後長を縮少し、軽量化及び小型化を図る。
【００２８】
また、排藁を切断して放出させるカッター（２１）を機枠フレーム（４７）（４８）に設け、機枠フレーム（４７）（４８）によるカッター（２１）取付け構造の簡略化及びカッター（２１）支持強度の確保を行い、かつカッター（２１）による機枠フレーム（４７）（４８）の補強を行い、しかも脱穀部（３）にカッター（２１）を近接させて従来の排藁搬送チェンの省略並びに機体幅の縮少を図ると共に、機体後部のエンジン（２２）を、左の後機枠フレーム（４８）に固定したエンジン台（６１）に支持させ、左の後機枠フレーム（４８）によるエンジン（２２）取付け構造の簡略化及びエンジン（２２）支持強度の確保を行い、かつエンジン（２２）とミッションケース（２３）とトラックフレーム（２）の連結によって左の後機枠フレーム（４８）の強度向上及び軽量化を図る。
【００２９】
また、穀粒を取出す籾受台（５７）を左右の後機枠フレーム（４８）後面に支軸（６２）を介して設け、後機枠フレーム（４８）による籾受台（５７）取付け構造の簡略化及び籾受台（５７）支持強度の確保を行い、かつ籾受台（５７）によって後機枠フレーム（４８）の強度向上及び軽量化を図ると共に、脱穀部（３）の扱室カバーである上面カバー（２８）を開閉自在に取付けるカバー支点軸（２７）を左右の後機枠フレーム（４８）に設け、左右の後機枠フレーム（４８）による扱室（２５）の上面カバー（２８）取付け構造の簡略化及び上面カバー（２８）支持強度の確保を行い、かつ上面カバー（２８）のカバー支点軸（２７）によって左右の後機枠フレーム（４８）の強度向上及び軽量化を図る。
【００３０】
さらに、脱穀部（３）に設けるフィードチェン（５）のチェン台（６３）によって左右の縦機枠フレーム（４７）を連結させ、左右の縦機枠フレーム（４７）によるチェン台（６３）取付け構造の簡略化及びチェン台（６３）支持強度の確保を行い、かつチェン台（６３）の連結によって左右の縦機枠フレーム（４７）の強度向上及び軽量化を行い、機体の小型軽量化及び製造コストなどを図ると共に、左右の縦機枠フレーム（４７）に左右の軸受体（５８）を設けて扱胴（４）を回転自在に軸支させ、扱胴（４）を取付ける扱胴軸（２６）によって左右の縦機枠フレーム（４７）を連結さえ、縦機枠フレーム（４７）の強度向上及び軽量化を行い、かつ扱胴（４）を内設させる脱穀部（３）の左右側板（４１）（４２）を薄くて軽い板材料によって形成し、機体の軽量化及び製造コスト低減を図る。
【００３１】
また、脱穀部（３）後側にフィードチェン（１５）を張設させ、脱穀部（３）右側にカッター（２１）を設け、脱穀部（３）後部に扱胴（４）を内設し、脱穀部（３）前部上面に運転席（１６）を配設し、かつ脱穀部（３）右側のカッター（２１）に対して左側から供給する穀稈の脱穀済み排藁を最短距離で送出し、従来の排藁チェンを不要にして機体の軽量化及び藁搬送構造の簡略化を図る。
【００３２】
また、左右の縦及び後機枠フレーム（４７）（４８）の下端部を左右のトラックフレーム（２）に連結させ、トラックフレーム（２）に装設させる左右走行クローラ（１）の内側に各機枠フレーム（４７）（４８）を立設させ、左右走行クローラ（１）内側幅内に脱穀部（３）を配設し、刈取部（７）の穀稈搬送系路（１１）と、運転席（１６）と、カッター（２１）と、エンジン（２２）を、脱穀部（３）の左右及び前後に走行クローラ（１）上方スペースを活用してコンパクトに設置し、小型化並びに機体重量バランス向上などを図ると共に、右の縦機枠フレーム（４７）前部に運転席（１６）を設け、左の後機枠フレーム（４８）後部にエンジン（２２）を設け、平面視四角形の脱穀部（３）の対向する角隅部で大重量となる作業者とエンジン（２２）を支持し、運転席（１６）から作業者が降りた状態での機体重心を機体中央に設定し、収穫作業時の機体重量バランスを良好に維持させ、本機を小型軽量トラックの荷台に載せる運搬時、偏荷重によってトラックが一方に傾く不具合をなくしている。
【００３３】
さらに、図１２に示す如く、前記エンジン（２２）の出力軸（２２ａ）にミッションケース（２３）の入力軸（６４）を直結させ、操向ハンドル（１７）によって制御する操向油圧出力機（６５）並びに走行変速レバー（１８）によって制御する走行変速油圧出力機（６６）の各油圧ポンプを入力軸（６４）によって駆動させ、各出力機（６５）（６６）の油圧モータによって左右駆動輪（５４）を介して左右走行クローラ（１）を駆動し、前後進及び旋回移動させる。また、前記入力軸（６４）に唐箕（３３）の軸（６７）と扱胴軸（２６）を右端側でベルト連結させ、唐箕軸（６７）に一番コンベヤ（３４）の軸（６８）を左端側でベルト連結させ、一番コンベヤ軸（６８）に二番コンベヤ（３６）の軸（６９）を左端側でベルト連結させ、前記排塵部材（４０）のファン軸（７０）と刈取入力軸（７１）に二番コンベヤ軸（６９）を右端側でベルト連結させ、丸パイプ形の刈取支点軸（５６）の中空に刈取入力軸（７１）を内挿させ、刈取入力軸（７１）にベベルギヤ連結させる刈取２軸（７２）を介して引起ケース（８）及び刈刃（１０）などに駆動力を伝えると共に、穂先搬送タイン（１３）に送り終端を接離させる方向に刈取支点軸（５６）回りに長短稈調節動作させる株元搬送チェン（１２）に刈取入力軸（７１）の左端部をベベルギヤ連結させる。また、前記扱胴軸（２６）の左端部に駆動ケース（７３）を設け、穂先搬送タイン（１３）及び受継搬送チェン（４３）とフィードチェン（５）に駆動ケース（７３）を介して扱胴軸（２６）左端側から駆動力を伝え、脱穀部（３）の低い位置での選別伝動系を左側に配設させ、高い位置での選別伝動系を右側に配設させ、しかも単一の駆動ケース（７３）によって穂先搬送タイン（１３）とフィードチェン（５）の両方に駆動力を入力させ、穀稈搬送スペースを左側に大きく確保し乍ら駆動伝動機構をコンパクトに設けている。
【００３４】
さらに、図１３は機体の重心位置の移動を示すもので、運転席下方にエンジンを設けて脱穀部右側に籾タンクを設ける従来機種の場合、破線で示すように、空の作業前の標準位置（黒丸）で、左側前方に重心が位置し、運転者が搭乗した状態（白丸）で中央寄り前方に重心が移動し、収穫作業によって籾収集量が増加することによって右側中央方向に重心が移動していたから、空の標準のときに左側が重く、トラック荷台に載せて運搬するときにトラックが左に傾き易い不具合があり、収穫作業時、籾が多くタンクに留まることによって右側が重くなり、右側に傾き易い不具合があった。これに対し、図２に示す如く、運転席（１６）及び籾タンク（１９）を機体中央寄りに配設させてエンジン（２２）を後方配置させることにより、実線で示すように、空の作業前の標準位置（黒丸）で機体中央付近に重心が位置し、運転者が搭乗した状態（白丸）で右側に重心が移動した後、収集籾の増加によって中央寄り後方に重心が移動するから、空の標準状態で運搬するトラック荷台が偏荷重によって傾く不具合をなくし、また収穫作業によって籾が増加しても左右走行クローラ（１）の接地圧を略均等に保って左右走行力を略等しくし、スリップまたは蛇行を防ぐ。
【００３５】
さらに、図１４、図１５は積載重量が３５０キログラムの小型四輪のトラック荷台（７４）に載せて運搬する状態を示したもので、トラック荷台（７４）の前後長さに対し、刈取部（７）と走行クローラ（１）の前後長さが若干短く形成されると共に、トラック荷台（７４）の左右幅に対し、乗降用の歩み板を積む幅を側方に確保し乍ら中央部に載せる機体幅に形成され、空の標準状態で約３００キログラムの機体重量となる本機をトラック荷台（７４）に安定良く搭載して運搬できる。
【００３６】
さらに、図１６に示す如く、左引起ケース（８）を正面視略直立させて未刈り穀稈高さと略同等の長さに形成し、右引起ケース（８）を正面視左傾させて未刈り穀稈高さの略半分の長さに形成することも行える。また、図１７に示す如く、前記フィードチェン（５）を平面視で機体前後方向中心に対して斜行させて扱胴（４）を左向きに傾斜させて取付けることも行える。また、図１８に示す如く、縦機枠フレーム（４７）に固定させる脱穀部（３）の後側板（３ａ）に前記ミッションケース（２３）前面のフランジ（２３ａ）を固定させ、脱穀部（３）にミッションケース（２３）を取付けることも行える。また、図１９に示す如く、無段変速プーリ（７４）（７５）及びベルト（７６）で形成する無段変速ベルト機構を介し、エンジン（２２）の出力軸（２２ａ）にミッションケース（２３）の入力軸（６４）を連結させ、かつ前記出力軸（２２ａ）に唐箕（３３）の軸（６７）をベルト連結させることも行える。
【００３７】
【発明の効果】
以上実施例から明らかなように本発明は、機体の略中心部に、機体進行方向に対して略９０度変位させて配設した扱胴（４）を有する脱穀部（３）を設けたコンバインにおいて、脱穀部（３）の前方に刈取部（７）を設け、脱穀部（３）の後方にフィードチェン（５）を配設し、脱穀部（３）の左側に刈取り穀桿搬送路（１１）を配設し、脱穀部（３）の右側に排藁切断カッター（２１）を配設し、前記フィードチェン（５）及び前記刈取り穀稈搬送系路（１１）及び前記排藁切断カッター（２１）を前記扱胴（４）を囲む略コ字形に配設したコンバインであって、脱穀部（３）の左側板の内側に選別機構の二番還元部材（３８）を配設し脱穀部（３）の右側板の外側に選別機構の排塵部材（４０）を配設することにより、前記排塵部材（４０）を前記排藁切断カッター（２１）の前方に配設したもので、二番還元部材（３８）を設ける脱穀部（３）側面の外側に大きなスペースを形成して刈取り穀稈搬送系路（１１）を近接して配設させ、機体の左右幅を小さく形成して小型化を容易に行うことができ、かつ脱穀部（３）左右幅縮少によって左右走行クローラ（１）間で対地高さを低く形成でき、しかも左右走行クローラ（１）のトレッドを大きく形成できるものである。
【００３８】
また、脱穀部（３）の内部から機体外部に至る排塵部材（４０）の排風の方向変更角度を小さく形成でき、機体左右幅縮少による小型化並びに排塵効率向上を容易に図ることができるものである。また、脱穀部（３）を機体中心に配置して両側スペースを活用して刈取り穀稈の供給と排藁切断放出を行うことができ、機体前後長で短縮して小型化を図ることができるものである。また、機体を構成するフレーム構造の簡略化によって軽量化を容易に行うことができ、かつ機体の前後長及び左右幅の短縮によって小型化を容易に行うことができるものである。
【００３９】
また、機体前方に運転席（１６）を配設するとともに、機体後方にエンジン（２２）およびミッションケース（２３）を配設して、エンジン（２２）及びミッションケース（２３）など駆動部を機体最後側のメンテナンスし易い場所にコンパクトに設置し、かつ脱穀部前部に刈取部を近接して機体前後長を縮少させるものである。
【００４０】
また、機体前方かつ前記排塵部材（４０）の上方に前記運転席（１６）を配置するとともに、機体後方かつ前記運転席（１６）の対角位置に前記エンジン（２２）を配設して、機体の重量バランスを向上し、かつエンジン（２２）及びミッションケース（２３）など駆動部を機体最後側のメンテナンスし易い場所にコンパクトに設置し、かつ脱穀部前部に刈取部を近接して機体前後長を縮少させるものである。
【図面の簡単な説明】
【図１】全体の側面図。
【図２】同平面図。
【図３】前部の拡大側面図。
【図４】同平面図。
【図５】後部の拡大側面図。
【図６】同断面図。
【図７】同断面平面図。
【図８】脱穀部の断面側面図。
【図９】機枠フレームの斜視図。
【図１０】同正面図。
【図１１】同平面図。
【図１２】駆動説明図。
【図１３】重心位置説明図。
【図１４】運搬側面説明図。
【図１５】同正面説明図。
【図１６】図１５の変形例を示す正面図。
【図１７】図２の変形例を示す平面図。
【図１８】図６の変形例を示す側面図。
【図１９】図１８の変形例を示す側面図。
【符号の説明】
（３）脱穀部
（４）扱胴
（５）フィードチェン
（６）揺動選別盤
（７）刈取部
（１６）運転席
（３１）選別機構
（３８）二番還元部材[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a combine that continuously harvests and thresh cereals.
[0002]
[Problems to be solved by the invention]
Conventionally, a cutting part including a cutting blade is provided in front of a threshing part including a handling cylinder and a sorting mechanism, and a driver's seat is arranged on the right side of the cutting part so that an operator can sit and continuously harvest. Although there is a technique for performing work, it has been desired to reduce the size and weight of the aircraft. For example, the technique disclosed in Japanese Patent Publication No. 49-26330 or Japanese Utility Model Publication No. 49-10766 provides a driver's seat above the handling cylinder, so it is necessary to lower the handling cylinder and provide a sorting mechanism on the rear side. There is a problem that it is not possible to easily reduce the grain loss and reduce the longitudinal length of the fuselage. In addition, the technique disclosed in Japanese Utility Model Publication No. 53-52851 has a problem that a driver's seat is provided on the right side of the threshing section, so that the width of the left and right sides of the fuselage cannot be easily reduced.
[0003]
[Means for Solving the Problems]
  However, the present inventionA threshing portion having a handling cylinder disposed by being displaced by approximately 90 degrees with respect to the aircraft traveling direction is provided at a substantially central portion of the aircraft.In the combine,A cutting part is provided in front of the threshing part, a feed chain is provided behind the threshing part, a cutting cereal conveyance path is provided on the left side of the threshing part, and a waste cutting cutter is provided on the right side of the threshing part. A combiner in which the feed chain, the harvested cereal culm conveying system and the slaughtering cutter are arranged in a substantially U-shape surrounding the handling cylinder, and the second reduction of the sorting mechanism on the inner side of the left side plate of the threshing part By disposing a member and disposing the dust removing member of the sorting mechanism outside the right side plate of the threshing portion, the dust removing member is disposed in front of the waste cutting cutter.Therefore, a large space can be formed outside the side of the threshing portion where the second reducing member is provided, and the harvested cereal culm transporting system can be arranged close to each other. And the ground height between the left and right traveling crawlers can be reduced by reducing the lateral width of the threshing portion, and the tread of the left and right traveling crawlers can be formed larger.
[0004]
  Also, ProlapseThe direction change angle of the exhaust air of the dust exhaust member extending from the inside of the grain part to the outside of the machine body can be formed small, and the downsizing and the dust exhaust efficiency improvement can be easily achieved by reducing the lateral width of the machine body.
In addition, the threshing part can be arranged at the center of the machine body, and both sides can be used to supply the harvested cereal meal and discharge the sewage, and to shorten the machine body length and reduce the size. Further, the weight structure can be easily reduced by simplifying the frame structure constituting the aircraft, and the size can be easily reduced by shortening the longitudinal length and the lateral width of the aircraft.
[0005]
  Also,A driver's seat is arranged in front of the aircraft, an engine and a mission case are arranged in the rear of the aircraft, and a drive unit such as the engine and mission case is installed compactly in a place where maintenance is easy on the rear side of the aircraft, and before the threshing unit Reduce the longitudinal length of the fuselage by bringing the cutting part close to theIs.
[0006]
  Also,The driver's seat is arranged in front of the fuselage and above the dust-removing member, and the engine is arranged at the rear of the fuselage and diagonally to the driver's seat to improve the weight balance of the fuselage, and the engine and transmission case The drive unit is installed compactly in an easy-to-maintain location on the rear side of the machine, and the front and rear length of the machine is reduced by bringing the cutting part close to the front part of the threshing unit.Is.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a side view of the whole, FIG. 2 is a plan view of the same, FIG. 3 is a side view of the front, FIG. 4 is a plan view of the same, and FIG. Reference numeral (1) in the figure is a pair of left and right traveling crawlers mounted on the track frame (2). (3) is a threshing unit that includes a handling cylinder (4), a feed chain (5), and a rocking sorter (6) and collects grains by threshing and sorting. (7) is a stockholder that forms the pulling case (8), the scraping foil (9), the cutting blade (10), and the harvested grain culm conveyance system (11) on the left side of the threshing part (3) It is a cutting part provided with a conveyance chain (12) and a tip conveyance tine (13). (14) is a driver's cab provided with a step (15) for boarding an operator and a driver's seat for seating (16), a round steering handle (17), and a forward / reverse travel shift lever (18). (19) is a straw tank in which the grain from the threshing section (3) is put by the whipped cylinder (20). (21) is a cutter that cuts and discharges the waste from the threshing section (3). (22) is the engine, and (23) is the mission case.
[0009]
Then, the harvesting part (7) is installed in front of the threshing part (3), and the harvested grain culm transporting path (11) is conveyed to feed the harvested cereal of the harvesting part (7) to the threshing part (3). The center of the barrel (4) of the threshing part (3) is inclined at about 90 degrees with respect to the direction of travel of the machine body in the direction, and the waste is removed by the feed chain (5) extending in parallel with the barrel (4). 21), eliminating the need for a conventional waste chain, reducing the weight by simplifying the transport mechanism, reducing the size of the 4th exit for discharging waste, and reducing the size by effectively using the space. In order to improve workability and reduce manufacturing costs, a threshing section (3) is provided at the approximate center of the machine body, and the harvested cereal mash that is a heavy-weight part is centered on the handling cylinder (4) at the center of the machine body. Stock carrier chain (12) and feed chain (5) are extended to reduce the size of the machine Perform, such as improving the weight balance of the aircraft to the beauty.
[0010]
Further, the driver's seat (16) can be provided on the right front with reference to the intersection of the machine longitudinal direction center line and the handling cylinder (4) center line, and can be formed lower than the rear in the front of the handling cylinder (4) of the threshing part (3). The driver's seat (16) is attached by utilizing the upper surface, the operator's field of view is secured, the center of gravity of the aircraft is reduced by boarding the operator to improve the weight balance, and the engine (22 ), The engine (22) is arranged diagonally with respect to the driver seat (16) in front of the fuselage, the weight balance of the fuselage is improved, and the drive unit such as the engine (22) and the transmission case (23) is mounted on the fuselage. It is installed compactly in a place where maintenance is easy on the last side, and the cutting part (7) is brought close to the front part of the threshing part (3) to reduce the longitudinal length of the machine body.
[0011]
In addition, a dredging tank (19) for storing grains from the threshing part (3) is provided in the center of the fuselage, reducing the center of gravity movement of the fuselage due to dredging changes in the dredging tank (19), improving the weight balance of the fuselage, etc. The cutter (21) that cuts and discharges the waste discharged from the threshing part (3) is disposed above the right traveling crawler (1) on the right side of the threshing part (3), and the right side of the threshing part (3) The cutter (21) is installed in a compact manner by making effective use of the space above the right traveling crawler (1), and the waste from the threshing section (3) is directly fed into the cutter (21) by the feed chain (5). Simplify and lighten the transport structure.
[0012]
Furthermore, the upper end side of the raising case (8) of the cutting part (7) for raising the uncut grain cereal is inclined to the left side, and the step (15) and the driver's seat (16) on which the operator gets on the cutting part (7 ) At the lower position near the center of the aircraft above the right side of the cutting width, and the left and right installation widths of the cutting part (7) and the driver's seat (16) are reduced to improve the left-right weight balance and reduce the size of the aircraft. (15) away from the head of the grain head, and two pulling cases (8) that are substantially parallel to each other are inclined to the opposite side of the driver's seat (16), and above the cutting part (7) The driver's seat (16) is provided at a low position and the pulling case (8) is placed close to the side of the step (15) where the driver gets on to reduce the movement of the center of gravity of the aircraft due to the boarding of the operator, The center of gravity of the aircraft before the operator boarded is set at the center of the aircraft, and the truck Eliminate the problem of truck bed tilts unbalanced load when laden the platform, to stabilize well transported using tracks of small loading weight.
[0013]
Also, a step (15) for boarding the operator is arranged above the right side of the cutting blade (10) of the cutting part (7), and the entire left and right widths of the cutting part (7) and step (15) are made small so that the aircraft The size of the aircraft is reduced and the operator is placed closer to the center of the aircraft to improve the left / right weight balance, and the cutting part (7) and the step (15) with two cut widths are used for the left / right traveling crawler (1). Step of placing the operator seat (16) in the right half of the left and right crawler (1) installation width and providing the two cases of pulling cases (8) in the left half (15) ) Is placed upright next to 2), and the longitudinal width of the fuselage is shortened at the same time as the width of the fuselage is shortened, and the longitudinal length of the fuselage is shortened.
[0014]
Furthermore, as shown in FIG. 5 thru | or FIG. 8, inside the handling chamber (25) which opens a supply port (24) in the rear upper left side of the said threshing part (3), a handling cylinder (26) is provided via a handling cylinder shaft (26). 4) is pivotally supported, the upper surface of the handling chamber (25) is closed by the upper surface cover (28) that can be freely opened upward around the fulcrum shaft (27), and the collar (29) is attached to the upper surface cover (28). The grain holding and conveying height by the feed chain (5) and the basket (29) and the heights of the upper surface of the handling cylinder (4) and the supply port (24) are substantially equal to each other, and the grain basket is substantially horizontal in a side view. Constructed in a top handling structure that can be transported by threshing.
[0015]
Further, a crimp net (30) is stretched below the handling cylinder (4) to close the lower surface of the handling chamber (25), and a sorting mechanism (31) is provided below the crimp net (30). The swing sorter (6) swinging in the front-rear direction, the sieve wire (32) provided at the front of the sorter (6) and swinging up and down, and provided below the rear of the sorter (6) A tang (33) for supplying the sorting air from the rear lower part to the front upper part, and the first conveyor (34) for taking out the leaking grains provided at the lower part of the front part of the sorting board (6) to the milling cylinder (20) ) And No. 1 rice cake (35), and No. 2 conveyor (36) and No. 2 rice cake (37) for taking out second reduction products such as grains and swarf that are provided below the sieve line (32) and leak From the second reducing member (38) of the lower type that returns the second reduced product from the second conveyor (36) to the upper surface of the sorting panel (6), and the suction port (39) on the right side above the sieve wire (32) The sorting mechanism is provided with an intake / exhaust dust fan type dust exhaust member (40) that sucks and discharges dust and dust on the upper surface of the sieve wire (32) to the outside of the machine. Constitute 31).
[0016]
Moreover, the 2nd reduction | restoration member (38) provided in the selection mechanism (31) of a threshing part (3) is arrange | positioned in the left front part, and the 2nd reduction | restoration member (inside a left side plate (41) of a threshing part (3) ( 38) is installed, the threshing part (3) simplifies the selection drive mechanism on the left side, and the tip transport tine (13) and the stock transport chain (12) for transporting the harvested cereal meal are placed on the left side of the threshing part (3). And reducing the lateral width of the machine body to reduce the size, and disposing a dust discharge member (40) that discharges dust generated by threshing out of the machine to the right front of the threshing part (3), The dust removing member (40) is installed outside the right side plate (42) of the threshing section (3), and the front side of the right side plate (42) on the rear side of the handling cylinder (4) on the side opposite to the second reduction member (38). The space outside the unit is effectively used for mounting the dust exhaust member (40), the direction change angle of the exhaust air direction of the dust exhaust member (40) is reduced, To ensure the selection performance. Further, the rear part of the right side plate (42) on the rear end side of the handling cylinder (4) is bulged outwardly to form a granule drop space (42a) as a fourth opening, and the cutter (21) is cut from the rear part of the handling cylinder (4). The grain loss at the time of dropping the small grains contained in the straw discharged to the upper surface of the lower swing sorting plate (6) in the space (42a) and taking out the waste to the cutter (21) side Reduce.
[0017]
Further, the uppermost left case (8) is substantially aligned with the left side of the machine body, the harvesting part (7) and the step (15) are arranged side by side effectively using the full width of the machine body, and the threshing part (3 ) The pulling case on the left side (8) The top part of the threshing part (3) feeds from the top (24) of the cereal head part on a substantially straight line when viewed from the front, reducing the disturbance of the conveying heel posture, threshing, etc. Simplify the harvested grain culm conveyance system, and make the supply port (24) of the threshing section (3) for supplying the harvested corn straw to approximately the same height as the tip height of the napped grain culm (about 90 centimeters) The threshing part is moved along the side of the threshing part (3), and the cereal stock root protrudes to the uncut side to eliminate the problem of handling the uncut cereal tip, and the height of the cut cereal head It is transported while maintaining a substantially constant size, and the miniaturization is achieved by simplifying the grain transporting structure and reducing power.
[0018]
Furthermore, the handling cylinder (4) of the threshing part (3) is attached to the upper handling structure, and the handling cylinder (4) is disposed at a low position with respect to the cereal conveying position to lower the center of gravity of the aircraft, and balance the aircraft weight While maintaining good, while reducing the size and weight, change the conveying direction of the cereal between the stock transport chain (12) and the supply port (24) that conveys the harvested cereal from the harvesting part (7) A transfer conveying chain (43) is provided, and the harvested cereal rice cake in the front view upright posture along the side surface of the threshing portion (3) is changed to a horizontal posture in the side view and extended in a direction crossing the traveling direction of the machine. The stock of the cereals to be delivered to the feed chain (5) is turned to the center of the tip to improve the cereal transport performance and to reduce the size of the machine body.
[0019]
Further, a fuel tank (44) is fixed to the upper surface of the engine (22), the engine room cover (45) covers the upper surface, the left and right sides and the rear surface of the engine (22), and the tank (44) is mounted on the upper surface of the cover (45). A part of the cover (45) is formed by the tank (44), and the warm air formed around the engine (22) is sucked into the tang (33) to promote cooling of the engine (22) and sorting. Get dehumidifying effect.
[0020]
Moreover, the feed chain (5) is stretched between the lower surface of the straw tank (19) into which the grain from the threshing part (3) is placed and the upper surface of the engine (22), and the threshing part (3 is placed below the straw tank (19). ) And the engine (22) are disposed, and the space above the engine (22) is effectively utilized for conveying the cereal, and the size and weight balance of the fuselage are improved, and the engine (22) The grain stocker side is transported between the upper fuel tank (44) and the upper straw tank (19), the capacity of the fuel tank (44) is increased and the compact storage is performed, and the size of the aircraft is reduced and the weight balance is improved. Plan.
[0021]
Furthermore, a dust-removing member (40) is provided in front of the cereal supply port (24) opened on the rear side surface of the threshing part (3), and dust generated in the threshing part (3) 40), even if a driver's seat (16) is provided at the front part of the threshing part (3), it eliminates the problem of dust scattering to the operator, and the driver's seat on the upper surface of the dust-removing member (40) Even if the stock transport chain (12) that installs (16) and transports the harvested cereals to the threshing section (3) is provided on the side of the threshing section (3), the stock transport chain (12) by the front fulcrum The space for adjusting the length of the long and short rice cakes is greatly formed, and the dust removing member (40) is disposed compactly on either the left or right side of the front portion of the threshing portion (3), thereby reducing the size of the machine body and the selection mechanism (31). The tang (33) that feeds the sorting air to the threshing part (3) is placed at the rear, and the dust removal member (40) It is arranged in the front side, and the threshing part (3) supplies the harvested cereal meal from the left side, and a large amount of threshing generated on the left side is sent forward by the red pepper (33) and sucked by the dust removing member (40), The sorting dust feeding air passage of the sorting mechanism (31) is formed in a long diagonal direction so as to reduce the size of the fuselage and reduce sorting loss. In addition, a dust discharge member (40) is disposed forward on the side surface of the threshing portion (3) opposite to the supply port (24), and the cutter (21) for cutting and discharging the waste from the threshing portion (3) is rearward. The sewage from the cutter (21) is diffused and discharged by exhausting the dust member (40), and the cutter (21) is brought close to the rear part of the handling cylinder (4) of the threshing part (3). Miniaturize the aircraft.
[0022]
In addition, an engine (22) is arranged behind the red pepper (33), and the warm air around the engine (22) is sucked into the red pepper (33) to reduce the humidity of the selected wind and improve the cooling efficiency of the engine (22). The engine (22) is placed close to the threshing part (3) to simplify the structure for mounting the engine (22) to reduce the size and weight of the machine, and the threshing part (3 between the left and right traveling crawlers (1)). ), And a cereal conveyance system (11) for supplying the cereal cereal from the reaping part (7) to the threshing part (3) is disposed above the left traveling crawler (1), and the dust discharging member (40) and The cutter (21) is disposed above the right traveling crawler (1), the tread of the left and right traveling crawler (1) is formed as large as possible, and the left and right installation of the cereal conveyance system path (11) to the cutter (21) The width and the installation width of the left and right traveling crawler (1) are approximately equal. , The travel width of the movable width determined by the body width and the running crawler (1) substantially the same, improving the stability and maneuverability of the compact body.
[0023]
In addition, a second reduction member (38) is provided in front of the barrel (4) that is orthogonal to the aircraft traveling direction at the rear of the threshing part (3), and is selected inside the left side plate (41) of the threshing part (3). The second reduction member (38) of the mechanism (31) is installed, and a large space is formed outside the threshing part (3) side where the second reduction member (38) is provided, and the harvested cereal culm conveyance system path (11) is provided. It is placed close to each other to reduce the size by reducing the left and right width of the fuselage, and by reducing the width of the threshing part (3), the ground height is reduced between the left and right traveling crawlers (1). The tread of the traveling crawler (1) can be formed large. Moreover, the dust removal member (40) of the selection mechanism (31) is installed outside the right side plate (42) of the threshing portion (3) opposite to the second reduction member (38), and the inside of the threshing portion (3) The exhaust direction change angle of the dust exhaust member (40) from the outside of the fuselage to the outside of the fuselage is made small, the size of the fuselage is reduced by reducing the lateral width of the fuselage and the dust exhaust efficiency is improved. In the front part of the threshing part (3) to be provided, the second reducing member (38) and the dust discharging member (40) are opposed to each other to form a sorting mechanism (31), and the threshing part on the second reducing member (38) side (3) A cut grain culm conveyance system path (11) is provided on the side surface, and a cutter (21) for severing and cutting is disposed on the rear side on the same side as the dust discharging member (40). It will be placed in the center and use the space on both sides to supply chopped cereals and discharge and cut and release them.
[0024]
In addition, the grain-carrying cereal conveyance system path (11), the waste cutting cutter (21), and the feed chain (5) are disposed in a U shape on the left, right, and rear sides surrounding the handling cylinder (4), and the U-shaped front opening portion. A cutting part (7) and a driver's seat (16) are provided to reduce the weight by simplifying the frame structure constituting the aircraft, and to reduce the size by reducing the longitudinal and lateral widths of the aircraft, and the sorting mechanism ( 31) the swing sorter (6) is formed at a position lower than or substantially at the same height as the top surface of the second reducing member (38), and a large amount of reduced product is present on the second reducing member (38). Even if the scattering power of the reduced product is reduced after being supplied, the reduced product is pushed out from the reducing port before being clogged and taken out to the first basket (35) side, and the reduced product is clogged inside the second reducing member (38). Eliminate defects.
[0025]
Further, as shown in FIGS. 5, 6, 9, 10, and 11, both ends of the pair of front and rear horizontal frame frames (46) are welded to the front and rear portions of the pair of left and right track frames (2). It is fixed as a single unit, and the lower ends of a pair of left and right vertical machine frame frames (47) having a side view are fixed to the upper surfaces of the front and rear horizontal machine frame frames (46) by welding, and the left and right track frames (2) are fixed together. The left and right vertical machine frame frames (47) are vertically fixed to the front and rear horizontal machine frame frames (46), and the lower ends of the pair of left and right rear machine frame frames (48) that are U-shaped in a side view are faced downward. The upper end of the rear machine frame (48) is integrally fixed to the upper surface of the vertical machine frame (47) by welding to the upper surface of the horizontal machine frame (46) after being bent. . A bearing (50) is integrally fixed to the track frame (2) via a bearing plate (49) by welding, and a track roller (51) is rotatably supported on the bearing (50). 2) The front tension wheel (52), the drive wheel (54) provided on the transmission case (23) via the axle (53), and the traveling crawler (1) on the plurality of track rollers (51). Make it. In addition, the front and rear horizontal frames (46a) and (46b) are integrally fixed by welding between both ends of the left and right vertical machine frame frames (47) and (47) having a side view, and the horizontal machine frame frame (26) is used. The connection strength between the left and right vertical machine frame frames (47) and (47) to be connected is improved by the horizontal frames (46a) and (46b).
[0026]
Further, the left and right bearing bodies (58) are fixed to the left and right vertical machine frame frames (47) to rotatably support the handling cylinder shaft (26), and the handling cylinder (4) is interposed between the left and right frames (47). ). Then, the vertical frame frame (47) of the threshing section (3) for attaching the handling cylinder (4) is integrally connected to the track frame (2) for attaching the traveling crawler (1), and a conventional planar chassis frame is provided. Instead of the structure, a single three-dimensional frame structure comprising a track frame (2) and a machine frame (47) is used, and the machine frame (47) is reinforced by the strength of attachment parts such as a barrel shaft (26), and a special The weight is reduced by omitting the reinforcing member, and the left and right side plates (41) and (42) of the threshing portion (3) are provided on the vertical machine frame (47), and the threshing machine frame strength is set on the left and right side plates (41) and (42). The left and right side plates (41) and (42) are made of a thin and light material that does not need to be provided.
[0027]
Further, the step frame (55) of the step (15) on which the operator gets on is projected from the front side portion of the right vertical machine frame (47), and the step (15) is set on the front side of the right vertical machine frame (47). The driver's seat (16) is arranged on the pedestal (59) that is supported and fixed to the upper part of the right vertical machine frame (47), and the operator's seating position is formed closer to the center of the aircraft, and the weight balance of the aircraft And the step (15) and the driver seat (16) mounting structure are simplified in weight, and the cutting fulcrum shaft (56) for mounting the cutting portion (7) that is lifted and lowered by the hydraulic lifting cylinder (60) is freely movable. The vertical frame frame (47) is integrally fixed to the front side, and the cutting fulcrum shaft (56) structure of the cutting part (7) is simplified by utilizing the vertical frame frame (47). Vertical according to (56) It performed reinforcing frame member (47), moreover threshing section (3) and the reaper (7) is brought close scaled down the length before and after the body, reduce the weight and size.
[0028]
Further, a cutter (21) for cutting and discharging the waste is provided in the machine frame (47) (48), and the cutter (21) mounting structure by the machine frame (47) (48) is simplified and the cutter (21 ) Ensuring the support strength and reinforcing the machine frame (47) (48) by the cutter (21), and bringing the cutter (21) close to the threshing part (3) While omitting and reducing the width of the fuselage, the engine (22) at the rear of the fuselage is supported by the engine base (61) fixed to the left rear machine frame (48), and the left rear machine frame (48). The engine (22) mounting structure is simplified and the support strength of the engine (22) is secured, and the left rear machine frame is connected by connecting the engine (22), the transmission case (23), and the track frame (2). Improve the strength and weight of the frame (48).
[0029]
Also, a cradle base (57) for taking out the grains is provided on the rear surfaces of the left and right rear machine frame frames (48) via support shafts (62), and the cradle base (57) mounting structure by the rear machine frame frames (48) is provided. The strength of the rear frame (48) is improved and the weight of the rear frame (48) is improved by the cradle (57), and the handling room of the threshing part (3) is secured. Cover fulcrum shafts (27) for opening and closing the top cover (28) as a cover are provided in the left and right rear machine frame frames (48), and the upper cover of the handling chamber (25) by the left and right rear machine frame frames (48). (28) Simplifying the mounting structure and securing the support strength of the upper surface cover (28), and improving the strength and weight of the left and right rear machine frame (48) by the cover fulcrum shaft (27) of the upper surface cover (28). Plan.
[0030]
Further, the left and right vertical machine frame frames (47) are connected by the chain table (63) of the feed chain (5) provided in the threshing section (3), and the chain table (63) is attached by the left and right vertical machine frame frames (47). The structure is simplified and the support strength of the chain base (63) is secured, and the strength of the left and right vertical frame frames (47) is improved and the weight is reduced by connecting the chain base (63). Along with manufacturing costs, the left and right vertical frame frames (47) are provided with left and right bearing bodies (58) to rotatably support the handle cylinder (4), and the handle cylinder (4) is attached to the handle cylinder shaft. Even if the left and right vertical machine frame frames (47) are connected by (26), the left and right sides of the threshing part (3) for improving the strength and weight of the vertical machine frame (47) and for installing the handling cylinder (4) Thin and light side plate (41) (42) Thus formed, reduce the weight and manufacturing cost of the aircraft.
[0031]
Further, a feed chain (15) is stretched on the rear side of the threshing part (3), a cutter (21) is provided on the right side of the threshing part (3), and a handling cylinder (4) is provided in the rear part of the threshing part (3). The threshing part (3) is provided with a driver's seat (16) on the upper surface of the front part, and the threshing part (3) is supplied with a right side cutter (21) from the left side, and the threshing-completed waste of the cereals is supplied in the shortest distance. Sending out, eliminating the need for a conventional waste chain, reducing the weight of the machine and simplifying the construction of the firewood.
[0032]
In addition, the left and right vertical and rear machine frame frames (47), (48) are connected to the left and right track frames (2), and the left and right traveling crawlers (1) mounted on the track frame (2) are respectively disposed inside The machine frame (47) (48) is erected, the threshing part (3) is disposed in the inner width of the left and right traveling crawler (1), and the culm conveying system path (11) of the cutting part (7); The driver's seat (16), the cutter (21), and the engine (22) are installed in a compact manner by utilizing the space above the traveling crawler (1) on the left and right and front and rear of the threshing section (3). In addition to improving balance, a driver's seat (16) is provided at the front of the right vertical machine frame (47), and an engine (22) is provided at the rear of the left rear machine frame (48). An operator who becomes heavy at the opposite corners of the part (3) The center of gravity of the airframe is set in the center of the airframe when the operator gets off from the driver's seat (16), and the weight balance during harvesting work is maintained well. This eliminates the problem that the truck tilts to one side due to the unbalanced load during transportation on the platform.
[0033]
Further, as shown in FIG. 12, a steering hydraulic output machine (a steering hydraulic output machine (17) is connected to the output shaft (22a) of the engine (22) and directly controlled by the steering handle (17). 65) and the hydraulic pumps of the traveling transmission hydraulic output machine (66) controlled by the traveling transmission lever (18) are driven by the input shaft (64), and the left and right drive wheels are driven by the hydraulic motors of the output machines (65) and (66). The left and right traveling crawler (1) is driven via (54) to move forward and backward and turn. Further, the input shaft (64) is coupled with the shaft (67) of the red pepper (33) and the handle shaft (26) on the right end side, and the shaft (68) of the first conveyor (34) is connected to the red collar shaft (67). Is connected to the belt on the left end side, the shaft (69) of the second conveyor (36) is connected to the first conveyor shaft (68) on the left end side, and the fan shaft (70) of the dust removing member (40) is cut and harvested. The second conveyor shaft (69) is belt-connected to the input shaft (71) on the right end side, the cutting input shaft (71) is inserted into the hollow of the round pipe-shaped cutting fulcrum shaft (56), and the cutting input shaft (71 ), The driving force is transmitted to the pulling case (8) and the cutting blade (10) through the cutting two shafts (72) to be connected to the bevel gear, and the cutting fulcrum in the direction in which the feed terminal is connected to and separated from the tip conveying tine (13). To the stock transport chain (12) that adjusts the length of the shaft around the axis (56) Preparative input shaft left end of (71) is coupled bevel gear. In addition, a drive case (73) is provided at the left end of the barrel shaft (26), and the tip transport tine (13), the transfer transport chain (43) and the feed chain (5) are handled via the drive case (73). The driving force is transmitted from the left end side of the trunk shaft (26), the sorting transmission system at the lower position of the threshing portion (3) is arranged on the left side, the sorting transmission system at the higher position is arranged on the right side, and single A driving force is input to both the tip conveying tine (13) and the feed chain (5) by the driving case (73), and a drive transmission mechanism is provided in a compact manner while ensuring a large cereal conveying space on the left side.
[0034]
Further, FIG. 13 shows the movement of the center of gravity position of the fuselage. In the case of a conventional model in which an engine is provided below the driver's seat and a straw tank is provided on the right side of the threshing part, as shown by a broken line, the standard position before empty work is shown. (Black circle), the center of gravity is located in front of the left side, the center of gravity moves forward in the middle of the driver's boarding (white circle), and the center of gravity moves toward the center of the right side by increasing the amount of collected straw by harvesting work Therefore, the left side is heavy when it is empty standard, and the truck tends to tilt to the left when transporting it on the truck bed. During harvesting, the right side becomes heavier due to a lot of straw remaining in the tank. There was a problem that it was easy to tilt. On the other hand, as shown in FIG. 2, the driver's seat (16) and the dredging tank (19) are disposed closer to the center of the fuselage, and the engine (22) is disposed rearward so that the empty work is indicated as indicated by the solid line. Since the center of gravity is located near the center of the aircraft at the previous standard position (black circle), the center of gravity moves to the right side with the driver on board (white circle), and then the center of gravity moves to the rear near the center due to the increase in the collection rod. Eliminates the problem that the truck bed that is transported in the empty standard state is tilted due to the unbalanced load, and keeps the ground contact pressure of the left and right crawlers (1) approximately equal even when the dredging increases due to harvesting work, and the left and right traveling forces are approximately equal. Prevent slipping or meandering.
[0035]
Further, FIGS. 14 and 15 show a state where the loaded weight is 350 kg on a small four-wheel truck bed (74) and is transported. 7) and the front and rear lengths of the traveling crawler (1) are formed slightly shorter, and the width for loading the board for boarding / exiting is secured to the side with respect to the left and right width of the truck bed (74). This machine, which is formed in the width of the machine body to be loaded and has an airframe weight of about 300 kilograms in an empty standard state, can be stably mounted on the truck bed (74) and transported.
[0036]
Further, as shown in FIG. 16, the left pulling case (8) is substantially upright when viewed from the front to form a length substantially the same as the height of the uncut grain, and the right pulling case (8) is tilted left when viewed from the front and is not cut. It can also be formed to be approximately half the height of the cereal height. In addition, as shown in FIG. 17, the feed chain (5) can be inclined with respect to the center in the longitudinal direction of the machine body in plan view, and the handling cylinder (4) can be tilted leftward. Further, as shown in FIG. 18, the flange (23a) on the front surface of the mission case (23) is fixed to the rear plate (3a) of the threshing portion (3) to be fixed to the vertical machine frame (47), and the threshing portion (3 The mission case (23) can also be attached to the bracket. Further, as shown in FIG. 19, a transmission case (23) is connected to the output shaft (22a) of the engine (22) via a continuously variable transmission belt mechanism formed by continuously variable transmission pulleys (74) (75) and a belt (76). It is also possible to connect the input shaft (64) to the output shaft (22a) and the shaft (67) of the red pepper (33) to the belt.
[0037]
【The invention's effect】
  As apparent from the above examples, the present inventionA threshing part (3) having a handling cylinder (4) disposed by being displaced by approximately 90 degrees with respect to the airframe traveling direction is provided at a substantially central part of the airframe.In the combine,A reaping part (7) is provided in front of the threshing part (3), a feed chain (5) is disposed behind the threshing part (3), and a chopped cereal conveyance path (11) is provided on the left side of the threshing part (3). , A slaughtering cutter (21) is disposed on the right side of the threshing part (3), the feed chain (5), the chopped sorghum conveying system (11), and the slaughtering cutter (21 ) In a substantially U shape surrounding the barrel (4), and a second reduction member (38) of the sorting mechanism is arranged inside the left side plate of the threshing portion (3), and the threshing portion ( 3) By disposing the dust removing member (40) of the sorting mechanism outside the right side plate, the dust removing member (40) is disposed in front of the waste cutting cutter (21).Therefore, a large space is formed on the outside of the threshing portion (3) side where the second reduction member (38) is provided, and the harvested culm conveyance system path (11) is disposed close to the left and right sides of the machine body. It can be made small and easily downsized, and the threshing part (3) can reduce the ground height between the left and right traveling crawlers (1) by reducing the left and right width, and the tread of the left and right traveling crawler (1) Can be formed large.
[0038]
  Also, ProlapseThe direction change angle of the exhaust air direction of the dust exhaust member (40) extending from the inside of the grain part (3) to the outside of the machine body can be formed small, and downsizing and reduction of dust efficiency can be easily achieved by reducing the lateral width of the machine body. Is.In addition, the threshing part (3) can be arranged in the center of the machine body, and both sides of the space can be used to supply the reaped cereal meal and to discharge and cut the slag. Is. Further, the weight structure can be easily reduced by simplifying the frame structure constituting the aircraft, and the size can be easily reduced by shortening the longitudinal length and the lateral width of the aircraft.
[0039]
  Also,A driver's seat (16) is disposed in front of the fuselage, and an engine (22) and a mission case (23) are disposed in the rear of the fuselage, and the drive units such as the engine (22) and the mission case (23) are disposed on the rear side of the aircraft. It is installed compactly in a place where it is easy to maintain, and the front and rear length of the fuselage is reduced by bringing the cutting part close to the front of the threshing partIs.
[0040]
  Also,The driver's seat (16) is arranged in front of the fuselage and above the dust-removing member (40), and the engine (22) is arranged at a diagonal position behind the fuselage and in the driver's seat (16). The weight balance of the engine (22) and the transmission case (23), etc. are installed compactly in a place where maintenance is easy on the rear side of the machine body, and the cutting part is placed close to the front part of the threshing part. Reduce lengthIs.
[Brief description of the drawings]
FIG. 1 is an overall side view.
FIG. 2 is a plan view of the same.
FIG. 3 is an enlarged side view of a front portion.
FIG. 4 is a plan view of the same.
FIG. 5 is an enlarged side view of a rear part.
FIG. 6 is a sectional view of the same.
FIG. 7 is a plan view of the same section.
FIG. 8 is a cross-sectional side view of a threshing portion.
FIG. 9 is a perspective view of a machine frame.
FIG. 10 is a front view of the same.
FIG. 11 is a plan view of the same.
FIG. 12 is an explanatory diagram of driving.
FIG. 13 is an explanatory diagram of the center of gravity position.
FIG. 14 is an explanatory diagram of a conveyance side surface.
FIG. 15 is an explanatory front view of the same.
16 is a front view showing a modification of FIG.
FIG. 17 is a plan view showing a modified example of FIG. 2;
18 is a side view showing a modification of FIG.
FIG. 19 is a side view showing a modification of FIG.
[Explanation of symbols]
(3) Threshing part
(4) Handling cylinder
(5) Feed chain
(6) Swing sorter
(7) Mowing section
(16) Driver's seat
(31) Sorting mechanism
(38) No. 2 reduction member

Claims

In a combine provided with a threshing portion having a handling cylinder disposed at a substantially central portion of the airframe displaced by approximately 90 degrees with respect to the advancing direction of the airframe ,
A cutting part is provided in front of the threshing part,
A feed chain is arranged behind the threshing section,
Arrange the cutting grain haul transportation path on the left side of the threshing section,
Arrange the cutting cutter on the right side of the threshing section,
The feed chain, the harvested cereal culm transport system, and the waste cutting cutter;
A combine arranged in a substantially U shape surrounding the handling cylinder,
The second reducing member of the sorting mechanism is arranged inside the left side plate of the threshing part.
By arranging the dust removal member of the sorting mechanism outside the right side plate of the threshing part,
The combine, wherein the dust removing member is disposed in front of the waste cutting cutter .

A driver's seat is arranged in front of the aircraft,
The combine according to claim 1, wherein an engine and a mission case are arranged at the rear of the machine body.

While arranging the driver's seat in front of the fuselage and above the dust removal member,
The combine according to any one of claims 1 to 2, wherein the engine is disposed behind the fuselage and diagonally to the driver's seat.