JP3766395B2 - Combine - Google Patents

Description

【０００１】
【発明の属する技術分野】
本発明は、スライド式刈取部の下部搬送装置から脱穀部のフィードチェンに穀稈を受継搬送するコンバインに関する。
【０００２】
【従来の技術】
従来、昇降自在に装設した刈取部を機体左右方向にスライドさせるコンバインにおいて、刈取部の昇降によって縦搬送装置を上下移動させると共に、刈取部の左右スライドに追従して縦搬送装置が横移動するコンバインが記載されている。又、刈取出力ケースと刈取作業入力ケース間に連結パイプを架設し、刈取作業部材の左右移動に追従して連結パイプを左右に回動させながら各部に動力を伝達する構成にし、この連結パイプの中間部に扱深さ調節モータを設け、リンク機構を介して縦搬送駆動ケースを回動させると共に、前記縦搬送装置の始端側が昇降する扱深さ調節機構にしたものが開示されている。（特許文献１参照）
【０００３】
【特許文献１】
実開平５−３７０３０
【０００４】
【発明が解決しようとする課題】
前記従来技術は、刈取部の左右スライド部と縦搬送装置とを連結させるものではないから、縦搬送装置の送り始端側の穀稈受継が不安定となり易く、縦搬送装置の支持構造の簡略化並びに穀稈の搬送姿勢の乱れ防止または詰り防止などを容易に図り得ない等の問題がある。
【０００５】
【課題を解決するための手段】
然るに、本発明は、脱穀部の前方に刈取連結パイプを延出し、連結した刈取昇降シリンダの動作により上下回動支点パイプを支点に刈取部を昇降させ、前記刈取連結パイプに装着した軸受パイプを介してスライドパイプを摺動自在に設け、該スライドパイプと軸受パイプに刈取スライドシリンダを連結して刈取部を機体左右方向にスライドさせ、このスライド動作に追従する縦搬送装置が上下回動する横支軸に対して直角方向に設けた縦搬送出力ケースの縦支軸を支点に横移動し、前記刈取部の左右スライドによる下部搬送装置の送り終端部と縦搬送装置の送り始端部との位置を一定に確保したスライド式刈取部において、刈取連結パイプの側方に向けてフレームを延出し、該フレームと刈取スライド側を接続する追従機構を設け、刈取部のスライド動作に追従するフレームを介して縦搬送装置を横移動させると共に、前記フレームに固設した基台上に縦搬送装置を上下動させる扱深さ調節機構を設けた構成にし、刈取部を左右スライドさせても縦搬送装置の送り始端側及び送り終端側を適正な穀稈受継位置に支持させ、例えば刈取部の左右スライド部と縦搬送装置とを連結させることにより、縦搬送装置の送り始端側の穀稈受継を安定させ、縦搬送装置の支持構造の簡略化並びに穀稈の搬送姿勢の乱れ防止または詰り防止などを容易に図り得るものである。
【０００６】
【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は縦搬送装置の追従機構部の側面図、図２はコンバインの全体側面図、図３は同平面図であり、図中（１）は左右走行クローラ（２）を装設するトラックフレーム、（３）は前記トラックフレーム（１）上に架設する機台、（４）はフィードチェン（５）を左側に張架し扱胴（６）を内装している脱穀部、（７）は穀稈縦搬送装置を備える刈取部、（８）は排藁処理部、（９）は運転席（１０）及び運転操作部（１１）を備える運転台、（１２）は脱穀部（４）からの穀粒を揚穀筒（１３）を介し溜める穀粒タンク、（１４）は前記穀粒タンク（１２）内の穀粒を機外に取出す排出オーガ、（１５）はコンバインの各部を駆動するエンジンであり、連続的に刈取り・脱穀作業を行うように構成している。
【０００７】
図４乃至図８に示す如く、刈取部（７）は、分草板（１６）を介し取入れられる未刈穀稈を起立させる引起タイン（１７）を有する穀稈引起装置である３条用引起ケース（１８）と、この引起された穀稈の稈元側を掻込む穀稈横搬送装置であるスターホイル（１９）及び掻込ベルト（２０）と、この掻込時稈元側を切断する刈刃（２１）と、切断後の右側１条分の穀稈の稈元側及び穂先側を左斜め後方に搬送する穀稈右下部搬送装置である右稈元搬送チェン（２２）及び上下一対の右上部搬送装置である右穂先搬送タイン（２３）と、切断後の左側２条分の穀稈の稈元側及び穂先側を右斜め後方の右稈元搬送チェン（２２）の送り終端位置近傍に合流させる穀稈左下部搬送装置である左稈元搬送チェン（２４）及び左上部搬送装置である上下一対の右穂先搬送タイン（２５）とを有すると共に、右稈元搬送チェン（２２）の送り終端に合流する３条分の穀稈の稈元側及び穂先側を前記フィードチェン（５）の送り始端に受継搬送させる穀稈縦搬送装置である縦搬送チェン（２６）及び縦搬送タイン（２７）を備え、刈取られた３条分の穀稈を刈取部（７）の左右稈元搬送チェン（２４）（２２）及び左右穂先搬送タイン（２５）（２３）と縦搬送チェン（２６）及び縦搬送タイン（２７）とで形成されるＹ字形穀稈搬送経路を介してフィードチェン（５）に搬送させて脱穀処理させるように構成している。
【０００８】
脱穀部（４）の前側から、機台（３）の前端に固設する走行ミッション（２８）と左走行クローラ（２）の間を通して、前方斜め下方に延出させる刈取連結パイプ（２９）を備える。
【０００９】
刈取連結パイプ（２９）の上端（走行機体側）には入力ギヤケース（３０）が固設され、入力ギヤケース（３０）の下部左右側面から刈取部（７）の上下回動支点パイプ（３１）（３２）が同一軸芯上で機体左右方向に突出固定されている。左右の上下回動支点パイプ（３１）（３２）を機台（３）前端に立設固定する左右受台（３３）（３４）に回動自在に軸受けさせ、刈取連結パイプ（２９）と機台（３）間に刈取昇降用油圧シリンダ（３５）を架設している。
【００１０】
刈取連結パイプ（２９）の下端にはベベルギヤケース（３６）が固設され、ベベルギヤケース（３６）の刈取連結パイプ（２９）への取付面と対向する面には軸受パイプ（３７）が機体左右方向に一体形成されている。
【００１１】
刈刃（２１）及び右側のスターホイル（１９）及び掻込ベルト（２０）及び左稈元搬送チェン（２４）及び左穂先搬送タイン（２５）及び引起ケース（１８）へ動力伝達する左伝動ケース（３８）を左端に連結し、且つ、右側のスターホイル（１９）及び掻込ベルト（２０）と右稈元搬送チェン（２２）及び右穂先搬送タイン（２３）へ動力伝達する右伝動ケース（３９）を右端に連結するスライドパイプ（４０）を備える。
【００１２】
スライドパイプ（４０）を軸受パイプ（３７）を介して刈取連結パイプ（２９）下端で機体左右方向に摺動自在に、且つ、回転自在に軸受けさせ、軸受パイプ（３７）と右伝動ケース（３９）間に刈取スライド用油圧シリンダ（４１）を架設している。
【００１３】
機体前後方向に平行に延出させる４本の刈取フレーム（４２）を備え、各刈取フレーム（４２）の後端が横連結パイプ（４３）で一体連結され、横連結パイプ（４３）の左右端部を連結フレーム（４４）を介して左右伝動ケース（３８）（３９）の外側端部に一体連結し、刈取昇降用油圧シリンダ（３５）の伸縮動作により上下回動支点パイプ（３１）（３２）を支点に刈取部（７）を昇降させ、また刈取スライド用油圧シリンダ（４１）の伸縮動作により機体左右方向に刈取部（７）をスライドさせるように構成している。
【００１４】
刈取フレーム（４２）前端側に一体連結した支持パイプ（４５）に各引起ケース（１８）下部を支持させている。左伝動ケース（３８）に立設固定する引起伝動パイプ（４６）上端から機体右側に横伝動パイプ（４７）を一体延出させると共に、横伝動パイプ（４７）右端側を最も右側の刈取フレーム（４２）に連結パイプ（図示省略）を介して支持させ、各引起ケース（１８）の上部を横伝動パイプ（４７）に設けるチェンケース（４８）に支持させている。
【００１５】
一端を入力ギヤケース（３０）に固設させ、且つ、他端を刈取連結パイプ（２９）中間部に固設させる刈取上部連結パイプ（４９）を備え、運転操作部（１１）の左側縁に沿って機体前後方向に架設する刈取サイドパネル（５０）中間部を刈取上部連結パイプ（４９）上面側に固設すると共に、下端を刈取上部連結パイプ（４９）の前面側に軸支させ、且つ、上端を刈取サイドパネル（５０）の中間部に軸支させる垂直な刈取上部後支軸（５１）を設け、また横伝動パイプ（４７）中間部にブラケット（５２）を介して垂直な刈取上部前支軸（５３）を設ける。前後支軸（５３）（５１）間に張架する回動フレーム（５４）を備え、回動フレーム（５４）の後端に固設する垂直な後軸受パイプ（５５）を後支軸（５１）外側に回動自在に嵌合支持させると共に、回動フレーム（５４）の前端に固設する垂直な前軸受パイプ（５６）を前支軸（５３）外側に回動自在に嵌合支持させ、刈取部（７）を刈取上部連結パイプ（４９）及び回動フレーム（５４）によって保持させ、スライドパイプ（４０）を支点に刈取部（７）が回動するのを、刈取上部連結パイプ（４９）及び回動フレーム（５４）により規制し、刈取部（７）のスライドに追従して回動フレーム（５４）を水平方向に回動させるように構成している。
【００１６】
図１及び図５、図６に示す如く、縦搬送装置の上下回動支軸である横支軸（５７）を左側面から突出固定し、且つ、横支軸（５７）に直角な縦搬送装置の左右回動支点である縦支軸（５８）を下面から一体延出する縦搬送出力ケース（５９）を備える。
【００１７】
刈取連結パイプ（２９）上端の入力ギヤケース（３０）の左側面下部にベベルギヤケース（６０）を一体形成し、ベベルギヤケース（６０）の左側面に刈取部（７）の左上下回動支点パイプ（３１）を固設すると共に、縦搬送出力ケース（５９）の縦支軸（５８）を回転自在に嵌合させる軸受部（６１）をベベルギヤケース（６０）の上面に刈取部（７）の上下回動支点パイプ（３１）（３２）の半径方向に一体形成し、縦搬送出力ケース（５９）により入力ギヤケース（３０）の左側で左上下回動支点パイプ（３１）と平行に横支軸（５７）を支持させ、また縦搬送出力ケース（５９）の縦支軸（５８）により縦支軸（５８）回りに横支軸（５７）を回動自在に支持させている。
【００１８】
縦搬送チェン（２６）及び縦搬送タイン（２７）の送り終端側を駆動スプロケット（６２）（６３）及びスプロケット軸（６４）を介して支持させる縦搬送駆動ケース（６５）を設け、縦搬送駆動ケース（６５）を縦搬送出力ケース（５９）の横支軸（５７）に回動自在に支持させ、刈取部（７）の昇降時にこれと一体的に縦搬送チェン（２６）及び縦搬送タイン（２７）を刈取部（７）の上下回動支点パイプ（３１）（３２）を支点に昇降させる共に、縦搬送チェン（２６）及び縦搬送タイン（２７）を、追従機構（Ａ）を介して刈取部（７）の左右スライドに追従して縦支軸（５８）を支点に左右回動可能に、また扱深さ調節機構（Ｂ）を介して横支軸（５７）を支点に単独で上下回動可能に構成している。
【００１９】
図１及び図９、図１０に示す如く、追従機構（Ａ）は、縦搬送出力ケース（５７）の前面側から縦搬送チェン（２６）の非作用側の刈取連結パイプ（２９）の左側方にフレーム（６６）を延出し、フレーム（６６）の前端に一体固設した支持板（６７）前端に従動側支点軸（６８）を設け、右稈元搬送チェン（２２）の送り終端側のガイドローラ（６９）の下軸受板（７０）の右側部に主動側支点軸（７１）を設け、縦搬送チェン（２６）の送り始端側で非作用側の従動側支点軸（６８）と右稈元搬送チェン（２２）の送り終端側で非作用側下面の主動側支点軸（７１）を連結アーム（７２）により接続し、刈取部（７）の左右スライドに追従して縦搬送チェン（２６）及び縦搬送タイン（２７）を縦支軸（５８）を支点に左右回動させ、スライド式刈取部（７）の左右稈元搬送チェン（２４）（２２）の送り終端部と縦搬送チェン（２６）の送り始端部との相対位置を常に一定に確保するように構成している。
【００２０】
連結アーム（７２）は、後端に一体固設したボス（７３）を従動側支点軸（６８）に回動自在に嵌合し、前端に一体形成したねじ部（７４）を主動側支点軸（７１）下端にこの軸芯を中心に回転するリング部（７５）に挿入しボルト（７６）で軸方向の移動を規制し、各支点軸（６８）（７１）間に回動自在に張設し、連結アーム（７２）の角度変化で、直線移動に対する回動追従で発生する主動側支点軸（７１）に対する従動側支点軸（７２）の前後距離変化を吸収するように構成している。
【００２１】
上記から明らかなように、穀稈を引起す引起装置（１８）と、下部搬送装置（２２）（２４）と、縦搬送装置（２６）を備え、刈取部（７）の搬送装置（２２）（２４）（２６）を介してフィードチェン（５）に穀稈を搬送させて脱穀処理させると共に、脱穀部（４）の前側から前方に延出させる刈取連結パイプ（２９）を備え、刈取部（７）を回動支点（３１）（３２）を介して受台（３３）（３４）に設け、刈取連結パイプ（２９）に刈取昇降シリンダ（３５）を連結させ、スライドパイプ（４０）を軸受パイプ（３７）を介して刈取連結パイプ（２９）に機体左右方向に摺動自在に設け、スライドパイプ（４０）に刈取スライドシリンダ（４１）を連結させ、刈取昇降シリンダ（３５）動作により回動支点（３１）（３２）を支点に刈取部（７）を昇降させ、また刈取スライドシリンダ（４１）動作により機体左右方向に刈取部（７）をスライドさせるコンバインにおいて、引起装置（１８）の上部を横伝動パイプ（４７）に支持させ、横伝動パイプ（４７）を刈取上部連結フレーム（５４）によって回動支点（３１）（３２）側に保持させ、刈取部（７）のスライドに追従して横伝動パイプ（４７）側を横移動させ、また縦搬送装置（２６）の左右回動縦軸（５８）を回動支点（３１）（３２）側に設け、刈取部（７）の昇降時に縦搬送装置（２６）を上下移動させると共に、縦搬送装置（２６）を、追従機構（Ａ）を介して刈取部（７）の左右スライドに追従して縦軸（５８）を支点に回動可能に構成し、縦搬送装置（２６）に連結アーム（７２）を接続させて刈取部（７）の左右スライドに追従して縦搬送装置（２６）を縦軸（５８）を支点に横移動させ、スライド式刈取部（７）の下部搬送装置（２２）（２４）と縦搬送装置（２６）の相対位置を確保する。そして、刈取部（７）を左右スライドさせても縦搬送装置（２６）の送り始端側及び送り終端側を適正な穀稈受継位置に支持させ、例えば刈取部（７）の左右スライド部と縦搬送装置（２６）とを連結させ、縦搬送装置（２６）の送り始端側の穀稈受継を安定させ、縦搬送装置（２６）の支持構造の簡略化並びに穀稈の搬送姿勢の乱れ防止または詰り防止などを図る。
【００２２】
扱深さ調節機構（Ｂ）は、追従機構（Ａ）のフレーム（６６）上面に一体固設する基台（７７）上に構成するもので、縦搬送駆動ケース（６５）にＵ字パイプ（７８）の一端を一体固設し、Ｕ字パイプ（７８）の他端に縦搬送チェン（２６）及び縦搬送タイン（２７）を支持させると共に、基台（７７）の前端側上面にモータブラケット（７９）を介して扱深さ調節モータ（８０）を固設し、モータ（８０）の回転軸であるねじ軸（８１）の先端を基台（７７）の後端側上面に固設する軸受ブラケット（８２）に回転自在に軸支し、ねじ軸（６２）を前記横支軸（５７）に対して平面視で略直角方向に張設し、ねじ軸（６２）に螺着するナット体（８３）に一端を回動自在に連結させる押引アーム（８４）を設け、押引アーム（８４）の他端をＵ字パイプ（７８）に回動自在に連結させ、ねじ軸（８１）の回転によってこの軸（８１）上でナット体（８３）を前後移動させることにより、押引アーム（８４）及びＵ字パイプ（７８）を介して縦搬送駆動ケース（６５）を縦搬送出力ケース（５９）の横支軸（５７）を支点に回動させて、縦搬送チェン（２２）及び上部搬送タイン（２３）の送り始端側を左右稈元搬送チェン（２４）（２２）及び左右稈元搬送タイン（２５）（２３）の送り終端側に対して昇降させ、脱穀部（４）の扱室内に供給する穂先長さを略一定に保つ扱深さ調節を行うように構成している。
【００２３】
前記扱深さ調節モータ（８０）はリミットスイッチ（８５）（８６）で設定する範囲内で、長短稈センサ（８７）（８８）の出力に基づいて作動制御される。
【００２４】
前記扱深さ調節機構（Ｂ）は追従機構（Ａ）と一体に移動するから、刈取部（７）の左右スライドに対する縦搬送チェン（２６）及び縦搬送タイン（２７）の追従動作（左右回動）が扱深さ調節後の縦搬送チェン（２６）及び縦搬送タイン（２７）の上下位置を変化させることがなく、刈取部（７）をどの位置にスライドさせても縦搬送チェン（２６）及び縦搬送タイン（２７）を一定の上下位置で保持し得る。
【００２５】
【発明の効果】
以上実施例から明らかなように本発明は、昇降自在に装設させる刈取部（７）を機体左右方向にスライドさせるコンバインにおいて、刈取部（７）の昇降によって縦搬送装置（２６）を上下移動させる共に、刈取部（７）の左右スライドに追従して縦搬送装置（２６）を横移動させるもので、刈取部（７）を左右スライドさせても縦搬送装置（２６）の送り始端側及び送り終端側を適正な穀稈受継位置に支持させ、例えば刈取部（７）の左右スライド部と縦搬送装置（２６）とを連結させ、縦搬送装置（２６）の送り始端側の穀稈受継を安定させ、縦搬送装置（２６）の支持構造の簡略化並びに穀稈の搬送姿勢の乱れ防止または詰り防止などを容易に図ることができるものである。
【図面の簡単な説明】
【図１】縦搬送装置の追従機構部の側面図。
【図２】コンバインの全体側面図。
【図３】コンバインの全体平面図。
【図４】刈取部の側面図。
【図５】刈取部の平面図。
【図６】縦搬送装置の回動支点部の断面図。
【図７】刈取部のスライド部の断面図。
【図８】刈取部の保持構造を示す平面図。
【図９】縦搬送装置の追従動作を示す平面図。
【図１０】縦搬送装置の追従機構部の平面図。
【符号の説明】
（Ａ） 追従機構
（Ｂ） 扱深さ調節機構
（４） 脱穀部
（７） 刈取部
（２２） 稈元搬送チェン（下部搬送装置）
（２６） 縦搬送チェン（縦搬送装置）
（２９） 刈取連結パイプ
（３１） 上下回動支点パイプ
（３５） 刈取昇降シリンダ
（３７） 軸受パイプ
（４０） スライドパイプ
（４１） 刈取スライドシリンダ
（５８） 縦支軸
（５７） 横支軸
（５９） 縦搬送出力ケース
（６６） フレーム
（７７） 基台 [0001]
BACKGROUND OF THE INVENTION
The present invention relates to a combiner that inherits and conveys cereal grains from a lower conveying device of a sliding type mowing unit to a feed chain of a threshing unit.
[0002]
[Prior art]
Conventionally, in a combine that slides a harvesting unit installed so as to be able to move up and down in the horizontal direction of the machine body, the vertical conveying device is moved up and down by raising and lowering the cutting unit, and the vertical conveying device is moved laterally following the left and right slide of the cutting unit. Combines are described. Also, a connecting pipe is installed between the cutting output case and the cutting operation input case, and the power is transmitted to each part while rotating the connecting pipe to the left and right following the left and right movement of the cutting work member. A handling depth adjusting motor is provided at an intermediate portion, and a longitudinal conveying drive case is rotated via a link mechanism, and a handling depth adjusting mechanism in which the starting end side of the longitudinal conveying device is raised and lowered is disclosed . (See Patent Document 1)
[0003]
[Patent Document 1]
5-37030
[0004]
[Problems to be solved by the invention]
Since the prior art does not connect the left and right slide parts of the cutting part and the vertical conveying device, the cereal inheritance on the feed start end side of the vertical conveying device tends to be unstable, and the support structure of the vertical conveying device is simplified. In addition, there is a problem that it is not possible to easily prevent the cereal conveyance posture from being disturbed or blocked.
[0005]
[Means for Solving the Problems]
However, the present invention extends the cutting connection pipe to the front of the threshing section, moves the cutting section up and down with the vertically rotating fulcrum pipe as a fulcrum by the operation of the connected cutting lift cylinder, and attaches the bearing pipe attached to the cutting connection pipe. A slide pipe is slidably provided through the slide pipe, a cutting slide cylinder is connected to the slide pipe and the bearing pipe, and the cutting unit is slid in the left-right direction of the machine body. The position of the feed end portion of the lower transport device and the feed start end portion of the vertical transport device by lateral movement of the vertical support shaft of the vertical transport output case provided in a direction perpendicular to the support shaft by the left and right slide of the cutting unit In the slide-type cutting part that ensures a certain amount of the cutting part, a frame is extended toward the side of the cutting connection pipe, and a follow-up mechanism that connects the frame and the cutting slide side is provided. The vertical transfer apparatus causes the lateral movement through the frame to follow the ride operation, the structure in which a threshing depth adjustment mechanism for vertically moving the vertical transport device on a base which is fixed to the frame, the reaper right Even if it is slid, the feed start end side and the feed end side of the vertical transport device are supported at appropriate culm inheriting positions, for example, by connecting the left and right slide parts of the harvesting unit and the vertical transport device, the feed start end of the vertical transport device It is possible to stabilize the cereal inheritance on the side, simplify the support structure of the vertical conveying device, and prevent disturbance or clogging of the cereal conveying posture.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a side view of a follow-up mechanism portion of a vertical conveying device, FIG. 2 is an overall side view of a combine, FIG. 3 is a plan view thereof, and (1) is a track frame on which a left and right traveling crawler (2) is installed. , (3) is a machine base installed on the track frame (1), (4) is a threshing section in which a feed chain (5) is stretched on the left side and a handling cylinder (6) is installed, (7) is A reaping part provided with a cereal vertical conveying device, (8) is a waste disposal part, (9) is a cab with a driver's seat (10) and a driving operation part (11), and (12) is a threshing part (4). The grain tank which stores the grain of the grain through the milling cylinder (13), (14) is a discharge auger which takes out the grain in the grain tank (12) out of the machine, and (15) drives each part of the combine It is an engine and is configured to continuously perform cutting and threshing operations.
[0007]
As shown in FIG. 4 to FIG. 8, the cutting part (7) is a culm pulling device that has a pulling tine (17) that erects an uncut chopped rice cake that is taken in via the weed board (16). The case (18), the star wheel (19) and the rake belt (20), which are the cereal side conveying device that rakes the raised side of the raised cocoon, and the heel side of this rake are cut off. A cutting blade (21), a right heel base conveyance chain (22) which is a cereal right lower part conveying device that conveys the heel side and the tip side of the cereal side of the right side after cutting to the left diagonally rear side, and a pair of upper and lower sides The right end transfer tine (23), which is the upper right part transfer device, and the feed end position of the right end transfer chain (22) obliquely rearward on the heel side and the tip side of the left cereal grain after cutting Port side former transport chain (24), which is a grain lower left transport device to be merged in the vicinity, and upper and lower sides, upper left transport device The feed chain (5) is fed to the heel side and the tip side of the three cereal grains that have a pair of right head tip tines (25) and join the feed end of the starboard base transport chain (22). A vertical conveying chain (26) and a vertical conveying tine (27), which are the vertical cereal conveying devices to be transferred to the start end, and the left and right cocoon conveying chains (3) 24) to the feed chain (5) via the Y-shaped grain culm conveyance path formed by (22) and the right and left tip conveying tines (25) (23) and the vertical conveying chain (26) and the vertical conveying tine (27). It is configured to be conveyed and threshed.
[0008]
From the front side of the threshing section (4), a cutting connection pipe (29) extending diagonally forward and downward through the traveling mission (28) fixed to the front end of the machine base (3) and the left traveling crawler (2). Prepare.
[0009]
An input gear case (30) is fixed to the upper end (running vehicle body side) of the cutting connection pipe (29), and the vertical pivot fulcrum pipe (31) (31) of the cutting part (7) from the lower left and right side surfaces of the input gear case (30). 32) is projected and fixed in the left-right direction on the same axis. The left and right vertical pivot fulcrum pipes (31) and (32) are pivotally supported by left and right cradles (33) and (34) that are erected and fixed to the front end of the machine base (3), and the cutting connection pipe (29) and the machine A hydraulic cylinder (35) for lifting and lowering is installed between the stands (3).
[0010]
A bevel gear case (36) is fixed to the lower end of the cutting connection pipe (29), and a bearing pipe (37) is mounted on the left and right sides of the body on the surface facing the mounting surface of the bevel gear case (36) to the cutting connection pipe (29). It is integrally formed in the direction.
[0011]
Left transmission case that transmits power to the cutting blade (21), the right star wheel (19), the take-in belt (20), the port side transport chain (24), the left tip transport tine (25), and the pulling case (18) (38) is connected to the left end, and the right transmission case that transmits power to the right star wheel (19) and the take-in belt (20), the starboard front transfer chain (22), and the right tip transfer tine (23) ( 39) is provided with a slide pipe (40) connecting to the right end.
[0012]
The slide pipe (40) is slidably and rotatably supported at the lower end of the cutting connection pipe (29) via the bearing pipe (37) so as to be slidable in the left-right direction of the machine body, and the bearing pipe (37) and the right transmission case (39 The hydraulic cylinder for cutting slide (41) is installed between the two.
[0013]
It has four cutting frames (42) extending in parallel to the longitudinal direction of the fuselage, and the rear ends of each cutting frame (42) are integrally connected by a horizontal connection pipe (43), and the left and right ends of the horizontal connection pipe (43) Are connected integrally to the outer ends of the left and right transmission cases (38) and (39) via the connecting frame (44), and the vertical pivot fulcrum pipes (31) and (32) are moved by the expansion and contraction of the cutting lift hydraulic cylinder (35). ) As a fulcrum, and the cutting portion (7) is slid in the left-right direction of the machine body by the expansion and contraction of the cutting slide hydraulic cylinder (41).
[0014]
The lower portion of each pulling case (18) is supported by a support pipe (45) integrally connected to the front end side of the cutting frame (42). The horizontal transmission pipe (47) is integrally extended from the upper end of the pulling transmission pipe (46) standing and fixed to the left transmission case (38) to the right side of the machine body, and the right end side of the horizontal transmission pipe (47) is the rightmost cutting frame ( 42) is supported via a connection pipe (not shown), and the upper part of each pulling case (18) is supported by a chain case (48) provided on the lateral transmission pipe (47).
[0015]
A cutting upper connection pipe (49) having one end fixed to the input gear case (30) and the other end fixed to the middle of the cutting connection pipe (29) is provided along the left edge of the operation operating section (11). The middle part of the cutting side panel (50) installed in the longitudinal direction of the machine is fixed to the upper surface side of the cutting upper connecting pipe (49), the lower end is pivotally supported on the front side of the cutting upper connecting pipe (49), and A vertical cutting upper rear support shaft (51) that pivots the upper end to the middle portion of the cutting side panel (50) is provided, and the front portion of the vertical cutting upper portion is provided via the bracket (52) at the intermediate portion of the lateral transmission pipe (47). A support shaft (53) is provided. A rotary frame (54) stretched between the front and rear support shafts (53) and (51) is provided, and a vertical rear bearing pipe (55) fixed to the rear end of the rotation frame (54) is connected to the rear support shaft (51). ) The outer front bearing pipe (56) fixed to the front end of the rotating frame (54) is rotatably fitted and supported on the outer side of the front support shaft (53). The mowing part (7) is held by the mowing upper connecting pipe (49) and the rotating frame (54), and the mowing part (7) is rotated with the slide pipe (40) as a fulcrum. 49) and the rotation frame (54), and the rotation frame (54) is rotated in the horizontal direction following the slide of the cutting part (7).
[0016]
As shown in FIGS. 1, 5, and 6, the vertical support shaft (57), which is the vertical rotation support shaft of the vertical transfer device, is fixedly protruded from the left side surface, and the vertical transfer is perpendicular to the horizontal support shaft (57). A vertical transfer output case (59) is provided that vertically extends from the lower surface a vertical support shaft (58) that is a left-right rotation fulcrum of the apparatus.
[0017]
A bevel gear case (60) is formed integrally with the lower part of the left side of the input gear case (30) at the upper end of the cutting connection pipe (29), and the left upper and lower pivoting fulcrum pipe (7) of the cutting part (7) is formed on the left side of the bevel gear case (60). 31) and a bearing portion (61) for rotatably fitting the longitudinal support shaft (58) of the longitudinal conveyance output case (59) on the upper surface of the bevel gear case (60). The pivot fulcrum pipes (31) and (32) are integrally formed in the radial direction, and the vertical conveyance output case (59) is arranged on the left side of the input gear case (30) in parallel with the left vertical pivot pivot fulcrum pipe (31). 57), and the horizontal support shaft (57) is rotatably supported around the vertical support shaft (58) by the vertical support shaft (58) of the vertical transfer output case (59).
[0018]
A vertical conveyance drive case (65) is provided to support the vertical conveyance chain (26) and the vertical transfer tine (27) at the feed end side via the drive sprockets (62) (63) and the sprocket shaft (64), and the vertical conveyance drive is provided. The case (65) is rotatably supported on the horizontal support shaft (57) of the vertical transfer output case (59), and the vertical transfer chain (26) and the vertical transfer tine are integrated with the case when the cutting unit (7) is raised and lowered. (27) is moved up and down with the pivoting fulcrum pipes (31) and (32) of the cutting part (7) as the fulcrum, and the vertical conveying chain (26) and the vertical conveying tine (27) are moved via the follower mechanism (A). The left and right slides of the cutting part (7) follow the left and right slides so that the vertical support shaft (58) can be turned to the left and right as a fulcrum, and the horizontal support shaft (57) is used as a fulcrum through the handling depth adjustment mechanism (B) It can be rotated up and down.
[0019]
As shown in FIGS. 1, 9, and 10, the follow-up mechanism (A) is arranged on the left side of the cutting connection pipe (29) on the non-operating side of the vertical transfer chain (26) from the front side of the vertical transfer output case (57). The frame (66) is extended to the front end of the frame (66), and a support fulcrum shaft (68) is provided on the front end of the support plate (67). A driving fulcrum shaft (71) is provided on the right side of the lower bearing plate (70) of the guide roller (69), and the driven fulcrum shaft (68) on the non-operating side on the feed start end side of the vertical conveying chain (26) and the right side. The main drive side fulcrum shaft (71) on the lower surface of the non-acting side is connected by the connecting arm (72) on the feed end side of the vertical transfer chain (22), and the vertical transfer chain ( 26) and the vertical conveying tine (27) are rotated left and right around the vertical support shaft (58) as a fulcrum. The relative positions of the feed end portions of the left and right saddle-side feed chains (24) and (22) of the id type mowing unit (7) and the feed start end portions of the vertical feed chain (26) are always secured constant. .
[0020]
The connecting arm (72) has a boss (73) integrally fixed at the rear end rotatably fitted to the driven side fulcrum shaft (68), and a screw portion (74) integrally formed at the front end is connected to the driving side fulcrum shaft. (71) At the lower end, it is inserted into a ring part (75) that rotates around this axis, and the movement in the axial direction is restricted by a bolt (76), and it is stretched between the fulcrum shafts (68) (71). It is configured to absorb the change in the longitudinal distance of the driven fulcrum shaft (72) with respect to the driven fulcrum shaft (71) generated by the rotation following to the linear movement by the change in angle of the connecting arm (72). .
[0021]
As is apparent from the above, the pulling device (18) for raising the cereal straw, the lower transfer device (22) (24), and the vertical transfer device (26), and the transfer device (22) of the cutting part (7). (24) A chopping connection pipe (29) that conveys the cereals to the feed chain (5) through the shed (26) and causes the threshing process to extend forward from the front side of the threshing portion (4), and includes a cutting portion. (7) is provided on the cradle (33) (34) via the rotation fulcrum (31) (32), the cutting lift cylinder (35) is connected to the cutting connection pipe (29), and the slide pipe (40) is connected. The cutting connection pipe (29) is slidable in the horizontal direction of the machine body through the bearing pipe (37), and the cutting slide cylinder (41) is connected to the slide pipe (40). Mowing at the fulcrum points (31) and (32) The upper part of the pulling device (18) is supported by the lateral transmission pipe (47) in the combine that lifts and lowers the part (7) and slides the cutting part (7) in the horizontal direction of the machine body by the cutting slide cylinder (41) operation. The horizontal transmission pipe (47) is held on the rotating fulcrum (31) (32) side by the cutting upper connecting frame (54), and the horizontal transmission pipe (47) side is moved laterally following the slide of the cutting part (7). In addition, a vertical rotation vertical axis (58) of the vertical conveyance device (26) is provided on the rotation fulcrum (31) (32) side, and the vertical conveyance device (26) is moved up and down when the cutting unit (7) is moved up and down. At the same time, the vertical conveying device (26) is configured to follow the left and right slides of the cutting part (7) via the follower mechanism (A) so as to be rotatable about the vertical axis (58). ) With the connecting arm (72) ) Is moved horizontally with the vertical axis (58) as a fulcrum, and the lower transfer devices (22) (24) and the vertical transfer device (26) of the slide-type cutting part (7). ) Is secured. And even if the mowing part (7) is slid left and right, the feed start end side and the feed end side of the vertical conveying device (26) are supported at appropriate culm transfer positions, for example, the left and right slide parts of the mowing part (7) Connecting the transport device (26), stabilizing the cereal inheritance on the feed start end side of the vertical transport device (26), simplifying the support structure of the vertical transport device (26) and preventing the disorder of the transport posture of the culm or To prevent clogging.
[0022]
The handling depth adjusting mechanism (B) is configured on a base (77) integrally fixed to the upper surface of the frame (66) of the follow-up mechanism (A), and has a U-shaped pipe ( 78) is integrally fixed, and the vertical conveying chain (26) and the vertical conveying tine (27) are supported on the other end of the U-shaped pipe (78). The handle depth adjusting motor (80) is fixed via (79), and the tip of the screw shaft (81), which is the rotating shaft of the motor (80), is fixed to the upper surface of the rear end side of the base (77). A nut that is rotatably supported on the bearing bracket (82), the screw shaft (62) is stretched substantially perpendicularly to the lateral support shaft (57) in a plan view, and is screwed to the screw shaft (62). A push-pull arm (84) is provided to connect one end of the body (83) to the body (83) so as to be rotatable, and the other end of the push-pull arm (84). A push-pull arm (84) and a U-shape are connected to a U-shaped pipe (78) so that the nut (83) is moved back and forth on the shaft (81) by rotating the screw shaft (81). The vertical conveyance drive case (65) is rotated through the pipe (78) with the horizontal support shaft (57) of the vertical conveyance output case (59) as a fulcrum, and the vertical conveyance chain (22) and the upper conveyance tine (23). The tip is fed up and down with respect to the feed end side of the left and right heel base transport chains (24) and (22) and the left and right heel base transport tines (25) and (23) and fed into the handling chamber of the threshing section (4) It is configured to adjust the working depth to keep the length substantially constant.
[0023]
The operating depth adjusting motor (80) is controlled to operate within the range set by the limit switches (85) and (86) based on the outputs of the long and short hook sensors (87) and (88).
[0024]
Since the handling depth adjusting mechanism (B) moves integrally with the follow-up mechanism (A), the follow-up operation (left-right rotation) of the vertical transfer chain (26) and the vertical transfer tine (27) with respect to the left-right slide of the cutting part (7). The vertical transfer chain (26) and the vertical transfer tine (27) do not change the vertical position of the vertical transfer chain (26) and the vertical transfer tine (27) after the handling depth is adjusted. ) And the vertical conveying tine (27) can be held at a fixed vertical position.
[0025]
【The invention's effect】
As is clear from the above embodiments, the present invention moves the vertical conveying device (26) up and down by raising and lowering the cutting unit (7) in the combine that slides the cutting unit (7) that is installed so as to be movable up and down. At the same time, the vertical conveying device (26) is moved laterally following the left and right slides of the cutting unit (7). Even if the cutting unit (7) is slid left and right, the feeding start end side of the vertical conveying device (26) and The feeding terminal side is supported at an appropriate grain culm inheriting position, for example, the left and right slide parts of the cutting part (7) and the vertical conveying device (26) are connected, and the cereal inheriting on the feeding starting end side of the vertical conveying device (26) is performed. And the simplification of the support structure of the vertical conveying device (26) and the prevention of disturbance or clogging of the conveying posture of the cereals can be easily achieved.
[Brief description of the drawings]
FIG. 1 is a side view of a follow-up mechanism unit of a vertical conveyance device.
FIG. 2 is an overall side view of the combine.
FIG. 3 is an overall plan view of the combine.
FIG. 4 is a side view of a cutting part.
FIG. 5 is a plan view of a cutting part.
FIG. 6 is a cross-sectional view of a rotation fulcrum portion of the vertical conveyance device.
FIG. 7 is a cross-sectional view of a slide part of a cutting part.
FIG. 8 is a plan view showing a holding structure for a cutting part.
FIG. 9 is a plan view showing the follow-up operation of the vertical conveyance device.
FIG. 10 is a plan view of a follow-up mechanism unit of the vertical conveyance device.
[Explanation of symbols]
(A) Tracking mechanism
(B) Handling depth adjustment mechanism
(4) Threshing part (7) Mowing part
(22) Saddle transport chain (lower transport device)
(26) Vertical transfer chain (vertical transfer device)
(29) Cutting connection pipe
(31) Vertical pivot fulcrum pipe
(35) Cutting lift cylinder
(37) Bearing pipe
(40) Slide pipe
(41) Cutting slide cylinder
(58) Vertical support shaft
(57) Horizontal shaft
(59) Vertical transfer output case
(66) Frame
(77) Base

Claims (1)

脱穀部（４）の前方に刈取連結パイプ（２９）を延出し、連結した刈取昇降シリンダ（３５）の動作により上下回動支点パイプ（３１）（３２）を支点に刈取部（７）を昇降させ、前記刈取連結パイプ（２９）に装着した軸受パイプ（３７）を介してスライドパイプ（４０）を摺動自在に設け、該スライドパイプ（４０）と軸受パイプ（３７）に刈取スライドシリンダ（４１）を連結して刈取部（７）を機体左右方向にスライドさせ、このスライド動作に追従する縦搬送装置（２６）が上下回動する横支軸（５７）に対して直角方向に設けた縦搬送出力ケース（５９）の縦支軸（５８）を支点に横移動し、前記刈取部（７）の左右スライドによる下部搬送装置（２４）（２２）の送り終端部と縦搬送装置（２６）の送り始端部との位置を一定に確保したスライド式刈取部において、縦搬送出力ケース（５９）の前面側から縦搬送装置（２６）の非作用側であって、刈取連結パイプ（２９）の側方に向けてフレーム（６６）を延出し、該フレーム（６６）と刈取スライド側を接続する追従機構（Ａ）を設け、刈取部（７）のスライド動作に追従するフレーム（６６）を介して縦搬送装置（２６）を横移動させるとともに、前記フレーム（６６）に固設した基台（７７）上に縦搬送装置（２６）を上下動させる扱深さ調節機構（Ｂ）を設けたことを特徴とするコンバイン。 The cutting connection pipe (29) is extended in front of the threshing section (4), and the cutting section (7) is moved up and down with the vertically rotating fulcrum pipes (31) and (32) as fulcrums by the operation of the connected cutting and lifting cylinder (35). A slide pipe (40) is slidably provided via a bearing pipe (37) attached to the cutting connection pipe (29), and a cutting slide cylinder (41) is provided on the slide pipe (40) and the bearing pipe (37). ) And the cutting part (7) is slid in the horizontal direction of the machine body, and the vertical conveying device (26) that follows this sliding motion is provided in a vertical direction with respect to the horizontal support shaft (57) that rotates up and down. The feed end portion and the vertical transport device (26) of the lower transport devices (24) and (22) are moved laterally with the vertical support shaft (58) of the transport output case (59) as a fulcrum, and the left and right slides of the cutting unit (7). Constant position with the feed start end In the secured slide-type cutting part, the frame (66) is directed from the front side of the vertical transfer output case (59) to the non-working side of the vertical transfer device (26) toward the side of the cutting connection pipe (29). A follow-up mechanism (A) that extends and connects the frame (66) and the cutting slide side is provided, and the vertical transfer device (26) is moved laterally through the frame (66) that follows the sliding movement of the cutting unit (7). And a handling depth adjusting mechanism (B) for moving the vertical conveying device (26) up and down on a base (77) fixed to the frame (66) .

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